Hypotension
Hypotension, Controlled
Hypotension, Orthostatic
A significant drop in BLOOD PRESSURE after assuming a standing position. Orthostatic hypotension is a finding, and defined as a 20-mm Hg decrease in systolic pressure or a 10-mm Hg decrease in diastolic pressure 3 minutes after the person has risen from supine to standing. Symptoms generally include DIZZINESS, blurred vision, and SYNCOPE.
Intracranial Hypotension
Reduction of CEREBROSPINAL FLUID pressure characterized clinically by HEADACHE which is maximal in an upright posture and occasionally by an abducens nerve palsy (see ABDUCENS NERVE DISEASES), neck stiffness, hearing loss (see DEAFNESS); NAUSEA; and other symptoms. This condition may be spontaneous or secondary to SPINAL PUNCTURE; NEUROSURGICAL PROCEDURES; DEHYDRATION; UREMIA; trauma (see also CRANIOCEREBRAL TRAUMA); and other processes. Chronic hypotension may be associated with subdural hematomas (see HEMATOMA, SUBDURAL) or hygromas. (From Semin Neurol 1996 Mar;16(1):5-10; Adams et al., Principles of Neurology, 6th ed, pp637-8)
Post-Exercise Hypotension
Transient reduction in blood pressure levels immediately after exercises that lasts 2-12 hours. The reduction varies but is typically 5-20 mm Hg when compared to pre-exercise levels. It exists both in normotensive and hypertensive individuals and may play a role in excercise related PHYSIOLOGIC ADAPTATION.
Trimethaphan
Bradycardia
Ephedrine
A phenethylamine found in EPHEDRA SINICA. PSEUDOEPHEDRINE is an isomer. It is an alpha- and beta-adrenergic agonist that may also enhance release of norepinephrine. It has been used for asthma, heart failure, rhinitis, and urinary incontinence, and for its central nervous system stimulatory effects in the treatment of narcolepsy and depression. It has become less extensively used with the advent of more selective agonists.
Anesthesia, Obstetrical
Hemodynamics
Autonomic Nervous System Diseases
Diseases of the parasympathetic or sympathetic divisions of the AUTONOMIC NERVOUS SYSTEM; which has components located in the CENTRAL NERVOUS SYSTEM and PERIPHERAL NERVOUS SYSTEM. Autonomic dysfunction may be associated with HYPOTHALAMIC DISEASES; BRAIN STEM disorders; SPINAL CORD DISEASES; and PERIPHERAL NERVOUS SYSTEM DISEASES. Manifestations include impairments of vegetative functions including the maintenance of BLOOD PRESSURE; HEART RATE; pupil function; SWEATING; REPRODUCTIVE AND URINARY PHYSIOLOGY; and DIGESTION.
Anesthesia
Shock, Septic
Midodrine
Vascular Resistance
Nitroprusside
Ocular Hypotension
Cardiac Output
Hypovolemia
Syncope
A transient loss of consciousness and postural tone caused by diminished blood flow to the brain (i.e., BRAIN ISCHEMIA). Presyncope refers to the sensation of lightheadedness and loss of strength that precedes a syncopal event or accompanies an incomplete syncope. (From Adams et al., Principles of Neurology, 6th ed, pp367-9)
Shy-Drager Syndrome
A progressive neurodegenerative condition of the central and autonomic nervous systems characterized by atrophy of the preganglionic lateral horn neurons of the thoracic spinal cord. This disease is generally considered a clinical variant of MULTIPLE SYSTEM ATROPHY. Affected individuals present in the fifth or sixth decade with ORTHOSTASIS and bladder dysfunction; and later develop FECAL INCONTINENCE; anhidrosis; ATAXIA; IMPOTENCE; and alterations of tone suggestive of basal ganglia dysfunction. (From Adams et al., Principles of Neurology, 6th ed, p536)
Pure Autonomic Failure
Blood Patch, Epidural
Intraoperative Complications
Subdural Effusion
Tilt-Table Test
Intracranial Pressure
Cardiovascular System
Fluid Therapy
Sympathetic Nervous System
The thoracolumbar division of the autonomic nervous system. Sympathetic preganglionic fibers originate in neurons of the intermediolateral column of the spinal cord and project to the paravertebral and prevertebral ganglia, which in turn project to target organs. The sympathetic nervous system mediates the body's response to stressful situations, i.e., the fight or flight reactions. It often acts reciprocally to the parasympathetic system.
Dogs
Methyldopa
Autonomic Nervous System
The ENTERIC NERVOUS SYSTEM; PARASYMPATHETIC NERVOUS SYSTEM; and SYMPATHETIC NERVOUS SYSTEM taken together. Generally speaking, the autonomic nervous system regulates the internal environment during both peaceful activity and physical or emotional stress. Autonomic activity is controlled and integrated by the CENTRAL NERVOUS SYSTEM, especially the HYPOTHALAMUS and the SOLITARY NUCLEUS, which receive information relayed from VISCERAL AFFERENTS.
Bionics
Isotonic Solutions
Pressoreceptors
Phenylephrine
Norepinephrine
Precursor of epinephrine that is secreted by the adrenal medulla and is a widespread central and autonomic neurotransmitter. Norepinephrine is the principal transmitter of most postganglionic sympathetic fibers and of the diffuse projection system in the brain arising from the locus ceruleus. It is also found in plants and is used pharmacologically as a sympathomimetic.
Baroreflex
A response by the BARORECEPTORS to increased BLOOD PRESSURE. Increased pressure stretches BLOOD VESSELS which activates the baroreceptors in the vessel walls. The net response of the CENTRAL NERVOUS SYSTEM is a reduction of central sympathetic outflow. This reduces blood pressure both by decreasing peripheral VASCULAR RESISTANCE and by lowering CARDIAC OUTPUT. Because the baroreceptors are tonically active, the baroreflex can compensate rapidly for both increases and decreases in blood pressure.
Antihypertensive Agents
Drugs used in the treatment of acute or chronic vascular HYPERTENSION regardless of pharmacological mechanism. Among the antihypertensive agents are DIURETICS; (especially DIURETICS, THIAZIDE); ADRENERGIC BETA-ANTAGONISTS; ADRENERGIC ALPHA-ANTAGONISTS; ANGIOTENSIN-CONVERTING ENZYME INHIBITORS; CALCIUM CHANNEL BLOCKERS; GANGLIONIC BLOCKERS; and VASODILATOR AGENTS.
Splanchnic Circulation
Clonidine
Vasodilation
Lypressin
Dose-Response Relationship, Drug
Plasma Substitutes
Syncope, Vasovagal
Infusions, Intravenous
Rats, Sprague-Dawley
Renal Dialysis
Isoflurane
Reflex
Prospective Studies
Anesthesia, General
Hypertension
Heat Stroke
A condition caused by the failure of body to dissipate heat in an excessively hot environment or during PHYSICAL EXERTION in a hot environment. Contrast to HEAT EXHAUSTION, the body temperature in heat stroke patient is dangerously high with red, hot skin accompanied by DELUSIONS; CONVULSIONS; or COMA. It can be a life-threatening emergency and is most common in infants and the elderly.
Anaphylaxis
Tachycardia
Monitoring, Intraoperative
Blood Volume Determination
Method for determining the circulating blood volume by introducing a known quantity of foreign substance into the blood and determining its concentration some minutes later when thorough mixing has occurred. From these two values the blood volume can be calculated by dividing the quantity of injected material by its concentration in the blood at the time of uniform mixing. Generally expressed as cubic centimeters or liters per kilogram of body weight.
Arterial Pressure
Treatment Outcome
Myelography
Plasma Volume
Halothane
A nonflammable, halogenated, hydrocarbon anesthetic that provides relatively rapid induction with little or no excitement. Analgesia may not be adequate. NITROUS OXIDE is often given concomitantly. Because halothane may not produce sufficient muscle relaxation, supplemental neuromuscular blocking agents may be required. (From AMA Drug Evaluations Annual, 1994, p178)
Hemodiafiltration
Homeostasis
Brain
The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM.
Headache
Central Venous Pressure
Ganglionic Blockers
Agents having as their major action the interruption of neural transmission at nicotinic receptors on postganglionic autonomic neurons. Because their actions are so broad, including blocking of sympathetic and parasympathetic systems, their therapeutic use has been largely supplanted by more specific drugs. They may still be used in the control of blood pressure in patients with acute dissecting aortic aneurysm and for the induction of hypotension in surgery.
Nitric Oxide
A free radical gas produced endogenously by a variety of mammalian cells, synthesized from ARGININE by NITRIC OXIDE SYNTHASE. Nitric oxide is one of the ENDOTHELIUM-DEPENDENT RELAXING FACTORS released by the vascular endothelium and mediates VASODILATION. It also inhibits platelet aggregation, induces disaggregation of aggregated platelets, and inhibits platelet adhesion to the vascular endothelium. Nitric oxide activates cytosolic GUANYLATE CYCLASE and thus elevates intracellular levels of CYCLIC GMP.
Dysautonomia, Familial
An autosomal disorder of the peripheral and autonomic nervous systems limited to individuals of Ashkenazic Jewish descent. Clinical manifestations are present at birth and include diminished lacrimation, defective thermoregulation, orthostatic hypotension (HYPOTENSION, ORTHOSTATIC), fixed pupils, excessive SWEATING, loss of pain and temperature sensation, and absent reflexes. Pathologic features include reduced numbers of small diameter peripheral nerve fibers and autonomic ganglion neurons. (From Adams et al., Principles of Neurology, 6th ed, p1348; Nat Genet 1993;4(2):160-4)
Vasopressins
Antidiuretic hormones released by the NEUROHYPOPHYSIS of all vertebrates (structure varies with species) to regulate water balance and OSMOLARITY. In general, vasopressin is a nonapeptide consisting of a six-amino-acid ring with a cysteine 1 to cysteine 6 disulfide bridge or an octapeptide containing a CYSTINE. All mammals have arginine vasopressin except the pig with a lysine at position 8. Vasopressin, a vasoconstrictor, acts on the KIDNEY COLLECTING DUCTS to increase water reabsorption, increase blood volume and blood pressure.
Epinephrine
The active sympathomimetic hormone from the ADRENAL MEDULLA. It stimulates both the alpha- and beta- adrenergic systems, causes systemic VASOCONSTRICTION and gastrointestinal relaxation, stimulates the HEART, and dilates BRONCHI and cerebral vessels. It is used in ASTHMA and CARDIAC FAILURE and to delay absorption of local ANESTHETICS.
Fentanyl
Rats, Wistar
Nitric oxide limits the eicosanoid-dependent bronchoconstriction and hypotension induced by endothelin-1 in the guinea-pig. (1/1770)
1. This study attempts to investigate if endogenous nitric oxide (NO) can modulate the eicosanoid-releasing properties of intravenously administered endothelin-1 (ET-1) in the pulmonary and circulatory systems in the guinea-pig. 2. The nitric oxide synthase blocker N(omega)-nitro-L-arginine methyl ester (L-NAME; 300 microM; 30 min infusion) potentiated, in an L-arginine sensitive fashion, the release of thromboxane A2 (TxA2) stimulated by ET-1, the selective ET(B) receptor agonist IRL 1620 (Suc-[Glu9,Ala11,15]-ET-1(8-21)) or bradykinin (BK) (5, 50 and 50 nM, respectively, 3 min infusion) in guinea-pig isolated and perfused lungs. 3. In anaesthetized and ventilated guinea-pigs intravenous injection of ET-1 (0.1-1.0 nmol kg(-1)), IRL 1620 (0.2-1.6 nmol kg(-1)), BK (1.0-10.0 nmol kg(-1)) or U 46619 (0.2-5.7 nmol kg(-1)) each induced dose-dependent increases in pulmonary insufflation pressure (PIP). Pretreatment with L-NAME (5 mg kg(-1)) did not change basal PIP, but increased, in L-arginine sensitive manner, the magnitude of the PIP increases (in both amplitude and duration) triggered by each of the peptides (at 0.25, 0.4 and 1.0 nmol kg(-1), respectively), without modifying bronchoconstriction caused by U 46619 (0.57 nmol kg(-1)). 4. The increases in PIP induced by ET-1, IRL 1620 (0.25 and 0.4 nmol kg(-1), respectively) or U 46619 (0.57 nmol kg(-1)) were accompanied by rapid and transient increases of mean arterial blood pressure (MAP). Pretreatment with L-NAME (5 mg kg(-1); i.v. raised basal MAP persistently and, under this condition, subsequent administration of ET-1 or IRL 1620, but not of U-46619, induced hypotensive responses which were prevented by pretreatment with the cyclo-oxygenase inhibitor indomethacin. 5. Thus, endogenous NO appears to modulate ET-1-induced bronchoconstriction and pressor effects in the guinea-pig by limiting the peptide's ability to induce, possibly via ET(B) receptors, the release of TxA2 in the lungs and of vasodilatory prostanoids in the systemic circulation. Furthermore, it would seem that these eicosanoid-dependent actions of ET-1 in the pulmonary system and on systemic arterial resistance in this species are physiologically dissociated. (+info)The Janus-faced aspect of 'dry weight'. (2/1770)
BACKGROUND: The goal of haemodialysis treatment in end-stage renal disease (ESRD) patients is to correct the complications of the uraemic condition. Among the main complications are fluid overload and subsequent hypertension that are corrected by achievement of 'dry weight'. We report in this study the evolution of post-dialysis body-weight and blood pressure in patients who began their HD treatment in our unit. METHODS: We studied the monthly evolution of post-dialysis body-weight (expressed as a percentage of pre-dialysis body-weight at the first HD treatment) and predialysis mean arterial pressure (MAP) over 24 months in 61 patients (21 females, mean age 59.8 years; 20% diabetic), treated with cellulosic membranes for 8 h, 3 times a week. RESULTS: The post-dialysis body-weight decreased between the onset of HD and month 2 (M2) (-4.40+/-0.52%). Then it went up, reaching -1.56+/-0.96% at M6, +0.3+/-1.27% at M12, +1.27+/-1.38% at M18 and +1.64+/-1.33% at M24. The post-dialysis body-weight increased by 6% between M2 and M24. The mean arterial pressure (MAP) decreased from 111.3+/-2.5 mmHg at M0 to 94.4+/-1.7 at M6, and then remained stable after M6. Between M2 and M6 the post-dialysis body-weight increased, whereas the predialysis MAP continued to decline. The incidence of hypotension episodes was maximal during the first 4 months of HD treatment. CONCLUSIONS: After the second month of dialysis treatment, the simultaneous increase of post-dialysis body-weight and decrease of pre-dialysis MAP are related to the effects of two processes, i.e. increased weight as the result of anabolism induced by the HD treatment on the one hand and normalization of blood pressure by fluid removal on the other. Continuous clinical assessment of the patient is necessary to provide adequate prescription of post-dialysis body-weight. During the first months of HD treatment, the nephrologist, like Janus, is a double-faced gatekeeper: he must be willing to decrease post-dialysis weight to achieve 'dry weight' and to normalize blood pressure, but he must also be prepared to increase it to compensate for anabolism and to avoid episodes of hypotension. (+info)Hypotension induced by exercise is associated with enhanced release of adenyl purines from aged rat artery. (3/1770)
To determine whether the antihypertensive effects of exercise are associated with release of ATP and its metabolites from arteries, we assayed blood pressure and the release of adenine nucleotides and nucleosides from the caudal arteries of exercised and sedentary aged hypercholesterolemic rats. Exercise on a treadmill for 12 wk significantly decreased the rise in systolic and diastolic blood pressure by 7.5 and 15.9%, respectively, with advanced age. The concentrations of oleic, linoleic, and linolenic acids in the caudal artery decreased significantly with exercise, demonstrating an association between exercise and the unsaturation index of caudal arterial fatty acids. The amounts of total adenyl purines released by the arterial segments from exercised rats, both spontaneously and in response to norepinephrine, were significantly greater by 80.0 and 60.7%, respectively, than those released by tissues from sedentary rats. These results suggest that exercise alters the membrane fatty acid composition in aged rats as well as the release of ATP from vascular endothelial cells and that these factors are associated with the regression of the rise in blood pressure normally observed with advanced age. (+info)Mediation of humoral catecholamine secretion by the renin-angiotensin system in hypotensive rainbow trout (Oncorhynchus mykiss). (4/1770)
The individual contributions of, and potential interactions between, the renin-angiotensin system (RAS) and the humoral adrenergic stress response to blood pressure regulation were examined in rainbow trout. Intravenous injection of the smooth muscle relaxant, papaverine (10 mg/kg), elicited a transient decrease in dorsal aortic blood pressure (PDA) and systemic vascular resistance (RS), and significant increases in plasma angiotensin II (Ang II) and catecholamine concentrations. Blockade of alpha-adrenoceptors before papaverine treatment prevented PDA and RS recovery, had no effect on the increase in plasma catecholamines, and resulted in greater plasma Ang II concentrations. Administration of the angiotensin-converting enzyme inhibitor, lisinopril (10(-4) mol/kg), before papaverine treatment attenuated the increases in the plasma concentrations of Ang II, adrenaline, and noradrenaline by 90, 79, and 40%, respectively and also prevented PDA and RS recovery. By itself, lisinopril treatment caused a gradual and sustained decrease in PDA and RS, and reductions in basal plasma Ang II and adrenaline concentrations. Bolus injection of a catecholamine cocktail (4 nmol/kg noradrenaline plus 40 nmol/kg adrenaline) in the lisinopril+papaverine-treated trout, to supplement their circulating catecholamine concentrations and mimic those observed in fish treated only with papaverine, resulted in a temporary recovery in PDA and RS. These results indicate that the RAS and the acute humoral adrenergic response are both recruited during an acute hypotensive stress, and have important roles in the compensatory response to hypotension in rainbow trout. However, whereas the contribution of the RAS to PDA recovery is largely indirect and relies on an Ang II-mediated secretion of catecholamines, the contribution from the adrenergic system is direct and relies at least in part on plasma catecholamines. (+info)Sudden death in hypertrophic cardiomyopathy: potential importance of altered autonomic control of vasculature. (5/1770)
Current evidence suggests that alterations in the autonomic function and abnormal vascular control play a significant role either as independent triggers themselves or as modifiers of ischaemia and tolerance to to arrhythmias. A combination of several factors--that is, arrhythmia, hypotension, altered autonomic function including vascular control, and ischaemia are therefore likely to act as triggers for sudden death. The relative contribution of each of these factors needs further detailed study. (+info)Effects of isoflurane anesthesia on pulmonary vascular response to K+ ATP channel activation and circulatory hypotension in chronically instrumented dogs. (6/1770)
BACKGROUND: The objective of this study was to evaluate the effects of isoflurane anesthesia on the pulmonary vascular responses to exogenous adenosine triphosphate-sensitive potassium (K+ ATP) channel activation and circulatory hypotension compared with responses measured in the conscious state. In addition, the extent to which K+ ATP channel inhibition modulates the pulmonary vascular response to circulatory hypotension in conscious and isoflurane-anesthetized dogs was assessed. METHODS: Fifteen conditioned, male mongrel dogs were fitted with instruments for long-term monitoring to measure the left pulmonary vascular pressure-flow relation. The dose-response relation to the K+ ATP channel agonist, lemakalim, and the pulmonary vascular response to circulatory hypotension were assessed in conscious and isoflurane-anesthetized (approximately 1.2 minimum alveolar concentration) dogs. The effect of the selective K+ ATP channel antagonist, glibenclamide, on the pulmonary vascular response to hypotension was also assessed in conscious and isoflurane-anesthetized dogs. RESULTS: Isoflurane had no effect on the baseline pulmonary circulation, but it attenuated (P<0.05) the pulmonary vasodilator response to lemakalim. Reducing the mean systemic arterial pressure to approximately 50 mm Hg resulted in pulmonary vasoconstriction (P<0.05) in the conscious state, and this response was attenuated (P<0.05) during isoflurane. Glibenclamide had no effect on the baseline pulmonary circulation, but it potentiated (P<0.05) the pulmonary vasoconstrictor response to hypotension in conscious and isoflurane-anesthetized dogs. CONCLUSIONS: These results indicate that K+ ATP-mediated pulmonary vasodilation and the pulmonary vasoconstrictor response to hypotension are attenuated during isoflurane anesthesia. Endogenous K+ ATP channel activation modulates the pulmonary vasoconstrictor response to hypotension in the conscious state, and this effect is preserved during isoflurane anesthesia. (+info)Spike generation from dorsal roots and cutaneous afferents by hypoxia or hypercapnia in the rat in vivo. (7/1770)
The present study aimed at investigating the responsiveness of different parts of the primary afferent neurones to a brief hypoxia, hypercapnia or ischaemia under in vivo conditions. Action potentials were recorded in separate groups of anaesthetized rats from (i) the peripheral end of the central stump of the cut L3, L4 or L5 dorsal root (dorsal root preparation); (ii) the central end of the peripheral stump of the cut saphenous nerve (saphenous-receptor preparation); (iii) the distal end of a segment of the saphenous nerve cut at both ends (axon preparation). In paralysed animals interruption of artificial ventilation for 20-60 s elicited or increased the frequency of action potentials in both the dorsal root and saphenous-receptor preparations. Activation of these preparations was also achieved by inspiration of gas mixtures containing 10-0% oxygen (mixed with nitrogen) or 20-50% carbon dioxide (mixed with oxygen) which elicited in the blood a decrease in PO2 or an increase in PCO2 with a fall in pH. Occlusion of the femoral artery for 3 min also caused spike generation in the saphenous-receptor preparations with little alteration in blood pressure. All these stimuli failed to evoke action potentials in the axon preparations. Systemic (300 mg kg-1 s.c.) or perineural (2%) capsaicin pretreatment failed to inhibit the effect of hypoxia, hypercapnia or ischaemia, indicating a significant contribution of capsaicin-insensitive neurones to the responses. It is concluded that central and peripheral terminals but not axons of primary afferent neurones are excited by a brief hypoxia or hypercapnia and the peripheral terminals by a short local ischaemia as well. Excitation of central terminals by hypoxia or hypercapnia revealed in this way an antidromic activation of dorsal roots in response to natural chemical stimuli. (+info)Effects of phosphodiesterase inhibitors after coronary artery bypass grafting. (8/1770)
The aim of this study was to estimate the postoperative effects of phosphodiesterase (PDE) inhibitors (milrinone and olprinone) after coronary artery bypass grafting (CABG). To prevent hypotension caused by the PDE inhibitors, low dose of catecholamines were used concomitantly. A total of 34 elective CABG cases were tested. In 12 cases, 0.25 microg kg(-1) min(-1) of milrinone, 3 microg kg(-1) min(-1) of dobutamine (DOB) and dopamine (DOA) were used concomitantly (Group-M). In another 10 patients, 0.1 microg kg(-1) min(-1) of olprinone and the same doses of the catecholamines were infused (Group-O). As a control, the same doses of DOA and DOB only were administered in 12 patients (Group-C). When the pump flow of the cardiopulmonary bypass (CPB) decreased to half, these drugs were given in all groups. Hemodynamics were recorded before CPB, just after the operation, and 3, 6, 12, 24, 48 and 72 h after the operation. Both milrinone and olprinone increased the cardiac index and decreased systemic vascular resistance to almost the same degree. Olprinone decreased mean aortic and pulmonary artery pressures, and also significantly reduced the preload of both right and left heart compared with milrinone. Significant hypotension was not detected due to the concomitant usage of low-dose catecholamines. This concomitant usage of PDE inhibitors and catecholamines allowed easy weaning from CPB, demonstrating excellent hemodynamics after CABG. Good oxygen demand and supply balance were maintained in peripheral tissue. These results suggest that these new PDE inhibitors may be effective not only for weaning from CPB but also for post-cardiotomy cardiogenic shock. (+info)
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Hypotension
Orthostatic hypotension, also called postural hypotension, is a common form of low blood pressure. It occurs after a change in ... Chronic use of alpha blockers or beta blockers can lead to hypotension. Beta blockers can cause hypotension both by slowing the ... However, since it focuses on hypotension due to infection, it is not applicable to all forms of severe hypotension. Volume ... Some medications can also lead to hypotension. There are also syndromes that can cause hypotension in patients including ...
Orthostatic hypotension
... (or postural hypotension) is a drop in blood pressure upon standing. One definition (AAFP) calls for a ... Orthostatic hypotension, also known as postural hypotension, is a medical condition wherein a person's blood pressure drops ... Alcohol can potentiate orthostatic hypotension to the point of syncope. Orthostatic hypotension can also be a side effect of ... The drop in blood pressure may be sudden (vasovagal orthostatic hypotension), within 3 minutes (classic orthostatic hypotension ...
Permissive hypotension
... relies on the heart's ability to pump fluid through the body efficiently. Less intravascular fluid ... Applying permissive hypotension to the latter patient category may result in decreased coronary perfusion and result in ... The results from the Traumatic Coma Data Bank show the influence of the presence or absence of hypotension (defined as one or ... Permissive hypotension or hypotensive resuscitation is the use of restrictive fluid therapy, specifically in the trauma patient ...
Orthostatic syncope
Orthostatic hypotension occurs when there is a persistent reduction in blood pressure of at least 20mmHg systolic or 10mmHg ... Neurogenic orthostatic hypotension showed a prevalence of 18% in patients older than 65 years and resulted in syncope in 9.4% ... As described above, orthostatic hypotension diagnosis is when there is a drop of greater than or equal to 20 mmHg or greater or ... Orthostatic hypotension is one of the most frequently identified causes of syncope in the general population. Effective ...
Octreotide
Similarly, octreotide can be used to treat refractory chronic hypotension. While successful treatment has been demonstrated in ... Patient.info (February 2013). "Hypotension". Archived from the original on 28 August 2021. Retrieved 26 June 2015. {{cite ...
Blood pressure
20/10 mm Hg) is termed orthostatic hypotension (postural hypotension) and represents a failure of the body to compensate for ... Both hypertension and hypotension have many causes and may be of sudden onset or of long duration. Long-term hypertension is a ... Blood pressure that is too low is called hypotension, pressure that is consistently too high is called hypertension, and normal ... Long-term hypertension is more common than long-term hypotension. The risk of cardiovascular disease increases progressively ...
Dementia with Lewy bodies
"Postural hypotension". Walker et al. 2015, p. 1687. Tsamakis & Mueller 2021, pp. 2-3. Tsamakis & Mueller 2021, pp. 1, 4. Tahami ... Between 50 and 60% of individuals with DLB have orthostatic hypotension due to reduced blood flow, which can result in ... The severity of orthostatic hypotension also predicts a worse prognosis. Visuospatial deficits early in the course of DLB were ... Decreasing the dosage of dopaminergic or atypical antipsychotic drugs may be needed with orthostatic hypotension, and high ...
Arden syntax
maintenance: title: To check the diastolic blood pressure of the patient;; mlmname: Hypotension;; arden: version 2.7;; version ... hypotension)" at stdout_dest; ;; resources: default: de ;; language: en 'msg' : "The normal range from 60 to 90"; ;; language: ... en.wikipedia.org/wiki/Hypotension;; knowledge: type: data_driven;; data: /* read the diastolic blood pressure */ diastolic_ ...
Secondary hypertension
Here, however, increased CO cannot solve the structural problems causing renal artery hypotension, with the result that CO ... Larsen R, Kleinschmidt S (April 1995). "[Controlled hypotension]". Der Anaesthesist (in German). 44 (4): 291-308. doi:10.1007/ ...
Inhalation sedation
However, significant hypotension may occur, if a patient sits up too quickly from the supine position or becomes oversedated, ... Severe hypotension. Nitrous oxide causes a decrease in blood pressure due to a reduction in sympathetic function. ...
Military anti-shock trousers
Mattox, Kenneth L. (January 2003). "Permissive Hypotension". 8:1. trauma.org. {{cite journal}}: Cite journal requires ,journal ... v t e Compression garment Hemostasis Hypovolemia Permissive hypotension Shock (circulatory) Chatham, Strecker-McGraw (2022). " ...
Hypovolemia
"Permissive Hypotension". Trauma.Org. 1997-08-31. Archived from the original on 2013-11-27. Retrieved 2015-11-01. Kennamer M, ... These include oliguria, cyanosis, abdominal and chest pain, hypotension, tachycardia, cold hands and feet, and progressively ... Current best practice allow permissive hypotension in patients with hypovolemic shock, both avoid overly diluting clotting ...
Prandial
Postprandial hypotension is a drastic decline in blood pressure which happens after eating a meal. Postprandial regurgitation ... "Postprandial Hypotension." Last revised February 2003. Last accessed July 13, 2007. (Articles with short description, Short ...
Kojori
... essential hypotension; first functional class of stable angina strain of heart ischemic disease; miocardiodistrophies of ...
Tamsulosin
Severe hypotension. Persons with cardiac conditions including hypotension, mechanical heart failure (valvular, pulmonary ... Ramirez, J (5 November 2013). "Severe hypotension associated with α blocker tamsulosin". BMJ (Clinical Research Ed.). 347: ... "Tamsulosin treatment for benign prostatic hyperplasia and risk of severe hypotension in men aged 40-85 years in the United ...
Syncope (medicine)
More serious orthostatic hypotension is often the result of certain commonly prescribed medications such as diuretics, β- ... Hypoadrenergic orthostatic hypotension occurs when the person is unable to sustain a normal sympathetic response to blood ... Closely related to other causes of syncope related to hypotension (low blood pressure) such as orthostatic syncope. Lactose ... However, the resulting "transient orthostatic hypotension" does not necessarily signal any serious underlying disease. It is as ...
Caffeine
Orthostatic hypotension treatment. Some people use caffeine-containing beverages such as coffee or tea to try to treat their ... Gupta V, Lipsitz LA (October 2007). "Orthostatic hypotension in the elderly: diagnosis and treatment". The American Journal of ... and treatment of neurogenic orthostatic hypotension and associated supine hypertension". J. Neurol. 264 (8): 1567-1582. doi: ...
Oprelvekin
Symptoms have been edema of the face and tongue, or larynx; shortness of breath; wheezing; chest pain; hypotension (including ...
Neurogenic shock
Instantaneous hypotension due to sudden, massive vasodilation and decrease in blood oxygen saturation Warm, flushed skin due to ... "Hypotension & Shock Treatment , health.am". Holtz, Anders; Levi, Richard (6 July 2010). Spinal Cord Injury. Oxford University ... Neurogenic shock is a distributive type of shock resulting in hypotension (low blood pressure), often with bradycardia (slowed ... "Neurogenic Hypotension in Patients with Severe Head Injuries". The Journal of Trauma: Injury, Infection, and Critical Care. 44 ...
G-suit
"Hypotension and flying". Lancet. 232 (2): 1503-10. doi:10.1016/s0140-6736(00)83970-7. Wood, EH (Jul 1987). "Development of anti ...
Lacosamide
Postural hypotension, arrhythmias. Itching, rash, pruritus. Suicidal behavior and ideation have been observed as early as one ...
Primary and secondary brain injury
These include ischemia (insufficient blood flow); cerebral hypoxia (insufficient oxygen in the brain); hypotension (low blood ...
Cannabis in Italy
The reported list of possible side effects derived from the consumption of medical cannabis include tachycardia, hypotension, ... inducing hypotension within glaucomas; managing neurological diseases, such as spasticity caused by multiple sclerosis, ...
H2 receptor antagonist
Infrequent ADRs include hypotension. Rare ADRs include: headache, tiredness, dizziness, confusion, diarrhea, constipation, and ...
Protriptyline
Cardiovascular: Myocardial infarction; stroke; heart block; arrhythmias; hypotension, particularly orthostatic hypotension; ... Critical manifestations of overdose include: cardiac dysrhythmias, severe hypotension, convulsions, and CNS depression, ...
Obstructive shock
Hypotension and shock ensue. If not rapidly treated, it can lead to cardiac arrest and death. A pulmonary embolism (PE) is an ... The triad includes hypotension, jugular vein distension, and muffled heart sounds. Kussmaul's sign and pulsus paradoxus may ... When severe enough to cause these shifts and hypotension, it is called a tension pneumothorax. This is life-threatening. The ... A PE is considered "massive" when it causes hypotension or shock. A submassive PE causes right heart dysfunction without ...
Droxidopa
Intradialytic hypotension (IDH) or hemodialysis-induced hypotension. Freezing of gait in Parkinson's disease (off-label) With ... Mathias CJ (March 2008). "L-Dihydroxyphenylserine (Droxidopa) in the treatment of orthostatic hypotension: the European ... July 2014). "Droxidopa for neurogenic orthostatic hypotension: a randomized, placebo-controlled, phase 3 trial". Neurology. 83 ... Robertson D (March 2008). "The pathophysiology and diagnosis of orthostatic hypotension". Clinical Autonomic Research. 18 ( ...
Kambo (drug)
... hypotension) • increased heart rate (tachycardia) These effects are seen as part of the spiritual purification/healing process ...
Ketamine
It is the drug of choice for people in traumatic shock who are at risk of hypotension. Low blood pressure is dangerous for ... Nickson C (7 August 2013). "Intubation, Hypotension and Shock". Life in the Fastlane (blog). Critical Care Compendium. Archived ... Hemmingsen C, Nielsen JE (November 1991). "Intravenous ketamine for prevention of severe hypotension during spinal anaesthesia ... "Hypotension, hypoxia, and head injury: frequency, duration, and consequences". Archives of Surgery. 136 (10): 1118-23. doi: ...
Biological response modifier
Toxicity: Respiratory infection, fever, hypotension. Predisposes to infections (reactivation of latent TB). Mechanism of action ...
Orthostatic hypotension: MedlinePlus Genetics
Orthostatic hypotension is a drop in blood pressure that occurs when moving from a laying down (supine) position to a standing ... Orthostatic hypotension has two forms that result from two main causes.. The neurogenic form is caused by problems with the ... Orthostatic hypotension is a drop in blood pressure that occurs when moving from a laying down (supine) position to a standing ... Orthostatic Hypotension: JACC State-of-the-Art Review. J Am Coll Cardiol. 2018 Sep 11;72(11):1294-1309. doi: 10.1016/j.jacc. ...
Browsing by Subject "Hypotension"
DEX Blunts Postspinal Hypotension in Geriatric Patients
Might dexamethasone be effective in in preventing or decreasing the incidence of post-spinal anesthesia hypotension in elderly ... Patients developing PSA hypotension; n, %. 8 (14.5%). 18 (32.7%). #0.025* 0.44 (0.21-0.94). ... Hypotension and bradycardia are the most frequent complications reaching up to one- third in non-obstetric populations.[1] The ... Dexamethasone Blunts Postspinal Hypotension in Geriatric Patients Undergoing Orthopedic Surgery. A Double Blind, Placebo- ...
Delayed Orthostatic Hypotension 'Not Benign'
... over half the patients diagnosed with delayed orthostatic hypotension went on to develop orthostatic hypotension, with a ... Orthostatic hypotension (OH) that develops more than 3 minutes after standing progresses to OH in more than half of patients ... and that is one of the causes of both delayed and orthostatic hypotension," commented Dr Gibbons. "The risk of that will be ...
Pathophysiology
Many conditions and pathophysiologic disturbances are associated with shock and hypotension in the newborn, ranging from acute ... encoded search term (Shock and Hypotension in the Newborn) and Shock and Hypotension in the Newborn What to Read Next on ... Shock and Hypotension in the Newborn. Updated: Nov 27, 2021 * Author: Samir Gupta, MD, DM, FRCPCH, FRCPI; Chief Editor: ... Schmaltz C. Hypotension and shock in the preterm neonate. Adv Neonatal Care. 2009 Aug. 9(4):156-62. [QxMD MEDLINE Link]. ...
Low blood pressure (hypotension): Symptoms, causes, and prevention
Severe hypotension may indicate an underlying condition that needs treatment. ... Hypotension, or low blood pressure, can stem from a number of causes. ... Hypotension and shock. Severe hypotension can lead to hypotensive shock. There are different ways. of describing shock, ... Possible causes of hypotension include:. Orthostatic or postural hypotension Standing up from a sitting or lying position can ...
Browsing by Subject "Hypotension"
hypotension | dLife
All information contained on dLife.com is intended for informational and educational purposes only. The information is not intended to be a replacement or substitute for consultation with a qualified medical professional or for professional medical advice related to diabetes or another medical condition. Please contact your physician or medical professional with any questions and concerns about your medical condition. All content on dLife.com is created and reviewed in compliance with our Editorial Policy.. ...
Orthostatic Hypotension | National Institute of Neurological Disorders and Stroke
Orthostatic hypotension is a sudden fall in blood pressure that occurs when a person assumes a standing position. It is due to ... Orthostatic hypotension is a sudden fall in blood pressure that occurs when a person assumes a standing position. It is due to ... When orthostatic hypotension is caused by hypovolemia due to medications, the disorder may be reversed by adjusting the dosage ... The NINDS supports research on conditions such as neurogenic orthostatic hypotension aimed at increasing scientific ...
Delayed orthostatic hypotension | Neurology
Delayed orthostatic hypotension. A frequent cause of orthostatic intolerance. Christopher H. Gibbons, Roy Freeman ... Conclusions: Delayed orthostatic hypotension occurred in 54% of our tested population and was associated with milder ... Objective: To investigate the prevalence, symptoms, and neurophysiologic features of delayed orthostatic hypotension (OH). ...
Lundbeck TOMs Orthostatic Hypotension - Full Text View - ClinicalTrials.gov
Hypotension, Orthostatic. Hypotension. Parkinsonian Disorders. Basal Ganglia Diseases. Brain Diseases. Central Nervous System ... Orthostatic Hypotension Symptom Assessment (OHSA; Range: 0-10) and Orthostatic Hypotension Daily Activities Scale (OHDAS; Range ... Lundbeck TOMs Orthostatic Hypotension. The safety and scientific validity of this study is the responsibility of the study ... Orthostatic Hypotension Idiopathic Parkinson Disease Drug: Droxidopa 100 MG [Northera] Phase 4 ...
Is this Syncope, hypotension, or something else? - Neurology - MedHelp
Medication Causes of Orthostatic Hypotension
Orthostatic Hypotension due to Medication, Drug-Induced Orthostatic Hypotension, Drug-Induced Hypotension, Drug-Induced Syncope ... Hypotension due to drugs, Drug-induced hypotension, Drug-induced hypotension (disorder), drug; hypotension, hypotension; due to ... Medication Causes of Orthostatic Hypotension Aka: Medication Causes of Orthostatic Hypotension, Orthostatic Hypotension due to ... Blood Pressure Physiology Shock Hypotension Orthostatic Hypotension Syncope Gait and Balance Evaluation in the Elderly Abnormal ...
Hypotension & shock: The truth about blood pressure | Article | NursingCenter
Acute orthostatic hypotension when starting dopamine agonists in Parkinson's disease
Acute orthostatic hypotension when starting dopamine agonists in Parkinsons disease Arch Neurol. 2000 Oct;57(10):1461-3. doi: ... Main outcome measure: Orthostatic hypotension was defined as a drop in either systolic blood pressure of more than 25 mm Hg or ... Objective: To study the frequency and severity of acute orthostatic hypotension (OH) in patients with Parkinsons disease who ...
Multiple System Atrophy Treatment & Management: Approach Considerations, Nonpharmacologic Treatment of Hypotension and...
Nonpharmacologic Treatment of Hypotension and Hypertension. Orthostatic hypotension. The earliest symptom that brings patients ... Postprandial hypotension. Small, frequent meals attenuate BP drop after eating. Intake of water half an hour before meals or ... Orthostatic hypotension leads to curtailing of physical activity, with all of the problems of deconditioning that consequently ... Lahrmann H, Cortelli P, Hilz M. EFNS guidelines on the diagnosis and management of orthostatic hypotension. Eur J Neurol. 2006 ...
Hypotension Archives - Better Health - Better Health
hypotension | American Council on Science and Health
Minnesota Gov. Mark Dayton collapsed Monday night in front of legislators while giving the State of the State address. Though he rebounded well, he just disclosed a recent prostate cancer diagnosis. Learn about the proper medical care thats needed when someone faints, and why it happens in the first place ...
Chest pain, dyspnoea and hypotension in a 61-year-old woman | Heart
Rezipres Now Available for Intraoperative Hypotension - MPR
Low Blood Pressure Symptoms (Hypotension)
Hypotension is defined by an abnormal decrease in the pressure of blood, which means that it is too low in the blood vessels ... Hypotension is when the blood pressure is too low. Unlike hypertension, hypotension is not a disease, but rather a symptom. It ... Hypotension is defined by an abnormal decrease in the pressure of blood, which means that it is too low in the blood vessels. ... The manifestations of hypotension are not always of the same intensity and can be experienced very differently by different ...
MATERNAL HYPOTENSION | Anesthesiology | American Society of Anesthesiologists
Spinal Meningeal Diverticula in Spontaneous Intracranial Hypotension: Analysis of Prevalence and Myelographic Appearance |...
Severe spontaneous intracranial hypotension and Marfan syndrome in an adolescent. J Paediatr Child Health 2005;41:68-71. ... Spontaneous intracranial hypotension due to thoracic disc herniation: case report. J Neurosurg 2002;96:343-45. ... Spontaneous intracranial hypotension from intradural thoracic disc herniation: case report. J Neurosurg 2003;98:282-84. ... Diagnostic criteria for spontaneous spinal CSF leaks and intracranial hypotension. AJNR Am J Neuroradiol 2008;29:e94, author ...
Mayo Clinic Q and A: Treating orthostatic hypotension - Mayo Clinic News Network
Some medications may cause orthostatic hypotension.. Investigation into the cause of orthostatic hypotension begins with a ... Orthostatic hypotension is a form of low blood pressure that happens when you stand up from sitting or lying down. When you ... Orthostatic hypotension can develop for many reasons. It could be the result of something as simple as dehydration or as ... When orthostatic hypotension is caused by a medication, changing the dose or switching medications may be all thats needed to ...
Hypotension | DrugBank Online
Hypotension, unspecified / Low BP / Fall in blood pressure / BP lowered / Hypotension NOS / Hypotension NOS (disorder) / Low ... An alpha-1 adrenergic agonist used in the management of hypotension, generally in the surgical setting associated with the use ... blood pressure (disorder) / Arterial pressure NOS decreased / Arterial hypotension / Blood pressure drop arterial / Pressure ...
Hypotension, vasoreactivity and white matter intensities in the ageing brain: The Irish Longitudinal Study on Ageing (TILDA).
Low blood pressure (hypotension) may be an even greater risk factor for cognitive decline and dementia; as it is an easily ... Hypotension, vasoreactivity and white matter intensities in the ageing brain: The Irish Longitudinal Study on Ageing (TILDA). ... treatment very difficult because treating the high blood pressure with pressure-lowering medications can worsen hypotension and ...
Minimally invasive surgery for spinal cerebrospinal fluid leaks in spontaneous intracranial hypotension in: Journal of...
OBJECTIVE Spinal CSF leaks cause spontaneous intracranial hypotension (SIH). Surgical closure of spinal CSF leaks is the ... Dobrocky T, Nicholson P, Häni L, et al. Spontaneous intracranial hypotension: searching for the CSF leak. Lancet Neurol. 2022; ... Beck J, Ulrich CT, Fung C, et al. Diskogenic microspurs as a major cause of intractable spontaneous intracranial hypotension. ... A novel endovascular therapy for CSF hypotension secondary to CSF-venous fistulas. AJNR Am J Neuroradiol. 2021;42(5):882-887. ...
The pathophysiology and diagnosis of orthostatic hypotension. | Profiles RNS
Spontaneous intracranial hypotension - International Headache Society
Permissive hypotension in the extremely low birthweight infant with signs of good perfusion | ADC Fetal & Neonatal Edition
Permissive hypotension in the extremely low birthweight infant with signs of good perfusion ... Permissive hypotension in the extremely low birthweight infant with signs of good perfusion ... treated hypotension is independently associated with mortality, odds ratio 8.0 (95% CI 2.3 to 28, p,0.001). ... Normotensive patients and patients designated as having permissive hypotension had similar outcomes. Mean blood pressure in the ...
IntracranialHypertensionBradycardiaSymptomsOrthostatic hypotension is causedPeople with orthostatic hypotensionTachycardiaAnesthesiaSystolic blood prPatientsAcuteBloodArterialIntraoperativeNeurallyCardiovascularSevere hypotensionNeonatal HypotensionNeurogenic orthostaticDiagnosisMortalityElderlyPerfusionMethodsMedicationsIncidencePostprandialAngioedemaHyperkalemiaRashSpinalClinicalPerioperativeAutonomic systemSyncopeHypoperfusionTreatmentShockDisorderCirculatoryMultisystemOccurs when a person
Intracranial7
- Spinal meningeal diverticula have been implicated in the pathogenesis of spontaneous intracranial hypotension and have been proposed as both diagnostic features of and therapeutic targets for the condition. (ajnr.org)
- Spontaneous intracranial hypotension is an increasingly recognized phenomenon characterized by leakage of CSF from the spinal thecal sac. (ajnr.org)
- Spinal CSF leaks cause spontaneous intracranial hypotension (SIH). (thejns.org)
- IMSEAR at SEARO: Benign intracranial hypotension. (who.int)
- Benign intracranial hypotension. (who.int)
- Continuous Epidural Saline Infusion for the Treatment of Spontaneous Intracranial Hypotension. (bvsalud.org)
- Spontaneous intracranial hypotension (SIH) is an increasingly recognized cause of orthostatic headache , but treatment strategies remain controversial. (bvsalud.org)
Hypertension4
- Unlike hypertension , hypotension is not a disease, but rather a symptom. (localquoter.net)
- Orthostatic hypotension is defined as a fall in systolic blood pressure of at least 20 mmHg (at least 30 mmHg in patients with hypertension) and/or a fall in diastolic blood pressure of at least 10 mmHg within 3 minutes of standing. (bmj.com)
- Contrary to hypertension, hypotension is defined by signs and symptoms of low blood flow, not by a specific number. (cancertherapyadvisor.com)
- Dr. Starr frequently treats the following conditions: Hypotension, Heart Disease, and Hypertension. (sharecare.com)
Bradycardia4
- An atrial pacemaker may be used in patients with profound bradycardia in addition to orthostatic hypotension as a means of preventing the hypotension. (medscape.com)
- In addition to those symptoms, he developed dizziness, severe bradycardia (46 bpm) and prolonged hypotension, which required the administration of intravenous atropine and over three days of intravenous fluid replacement with dopamine infusion. (qxmd.com)
- Patients with ciguatera can develop severe bradycardia and prolonged hypotension. (qxmd.com)
- Think about your most important information were higher and bites, and then free app prescription pour le viagra bradycardia, dizziness, hypotension supplement in the. (marsta.nu)
Symptoms10
- When signs and symptoms of orthostatic hypotension do occur, they are usually the result of a reduction in blood flow (hypoperfusion) to tissues, particularly the brain. (medlineplus.gov)
- During an episode of orthostatic hypotension, symptoms are often increased in severity by physical activity, warm temperatures, eating large meals, or standing for long periods of time. (medlineplus.gov)
- To investigate the prevalence, symptoms, and neurophysiologic features of delayed orthostatic hypotension (OH). (neurology.org)
- Drug therapy is directed mainly toward alleviation of symptoms of the movement disorder and orthostatic hypotension. (medscape.com)
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5867255 http://www.ncbi.nlm.nih.gov/pubmed/29405350?tool=bestpractice.com Orthostatic hypotension becomes clinically significant if it is accompanied by symptoms of cerebral hypoperfusion, which can lead to syncope and falls. (bmj.com)
- Investigation into the cause of orthostatic hypotension begins with a review of your medical history, discussion of your symptoms and a physical exam. (mayoclinic.org)
- When orthostatic hypotension is caused by a medication, changing the dose or switching medications may be all that's needed to relieve symptoms. (mayoclinic.org)
- In patients whose symptoms do not appear to correlate with BP changes, etiologies other than OH-benign positional vertigo, postural orthostatic tachycardia, and post-prandial hypotension, for example-should be investigated. (consultant360.com)
- Often, hypotension will result in signs and symptoms due to low flow of blood to the arteries and veins. (cancertherapyadvisor.com)
- Monitoring of a worker during azide packaging in the new blender and packaging building showed that the employee experienced an episode of hypotension, but the employee reported no symptoms. (cdc.gov)
Orthostatic hypotension is caused1
- When orthostatic hypotension is caused by hypovolemia due to medications, the disorder may be reversed by adjusting the dosage or by discontinuing the medication. (nih.gov)
People with orthostatic hypotension3
- The body has difficulty achieving stable blood pressure in people with orthostatic hypotension, resulting in a prolonged drop in blood pressure that occurs within minutes after moving from laying down to standing. (medlineplus.gov)
- The non-neurogenic form of orthostatic hypotension is more common than the neurogenic form, but in about 40 percent of people with orthostatic hypotension the underlying cause is unknown (idiopathic). (medlineplus.gov)
- One test used to assess the autonomic nervous system in people with orthostatic hypotension is a tilt table test . (mayoclinic.org)
Tachycardia1
- Consensus statement on the definition of orthostatic hypotension, neurally mediated syncope and the postural tachycardia syndrome. (bmj.com)
Anesthesia6
- The investigators observed that patients who were on steroids for different reasons and had spinal anesthesia had favorable post-spinal hemodynamic outcomes with minimal hypotension and accordingly minimal needs for vasoconstrictors. (medscape.com)
- Rezipres ® (ephedrine hydrochloride) is now available for the treatment of clinically important hypotension occurring in the setting of anesthesia. (empr.com)
- During anesthesia pregnant bitches are at higher risk of hypoxemia and hypotension due to the changes in physiology. (slu.se)
- Furthermore, it was found that during anesthesia at cesarean section, hypoxemia occurred in 56.1% of the patients and hypotension in 52.2% of the patients. (slu.se)
- To assess cardiac autonomic modulation during perioperative hypotension caused by subarachnoid anesthesia. (bvsalud.org)
- Some studies address the value of HRV as a predictor of hypotension following subarachnoid anesthesia, mainly using linear methods in the frequency domain. (bvsalud.org)
Systolic blood pr3
- Orthostatic hypotension was defined as a drop in either systolic blood pressure of more than 25 mm Hg or diastolic pressure of more than 10 mm Hg. (nih.gov)
- Orthostatic hypotension is defined as a sustained drop in blood pressure by at least 20 millimeters of mercury in systolic blood pressure (the top number in a blood pressure reading) within three minutes of standing up. (mayoclinic.org)
- Orthostatic hypotension (OH) is defined as a decrease in systolic blood pressure (BP) of at least 20 mmHg or diastolic BP of at least 10 mmHg within 1 to 3 minutes of standing. (consultant360.com)
Patients21
- This study demonstrated favorable response rates regarding the efficacy of a single preoperative dose of DEX 8 mg intravenous infusion (IVI) to attenuate the PSA hypotension in geriatric patients undergoing orthopedic surgery. (medscape.com)
- Orthostatic hypotension (OH) that develops more than 3 minutes after standing progresses to OH in more than half of patients and carries a similar poor prognosis, including a high mortality rate, a 10-year follow-up study suggests. (medscape.com)
- Orthostatic hypotension: a non-motor complication assessment in 82 patients with idiopathic Parkinson's disease in Phramongkutklao Hospital. (medscape.com)
- Orthostatic hypotension (OH), which consists in a significant reduction in blood pressure levels upon standing from a seated position, may affect approximately one in three patients with Parkinson's disease (PD). (clinicaltrials.gov)
- To study the frequency and severity of acute orthostatic hypotension (OH) in patients with Parkinson's disease who are starting dopamine agonist therapy. (nih.gov)
- The earliest symptom that brings patients to medical attention usually is orthostatic hypotension. (medscape.com)
- therefore, management of orthostatic hypotension is one of the major tasks in the treatment of patients with MSA. (medscape.com)
- Normotensive patients and patients designated as having permissive hypotension had similar outcomes. (bmj.com)
- Introduction: Although hypotension in ICU patients is associated with adverse outcome, currently used definitions are unknown and no universally accepted definition exists. (eur.nl)
- Conclusions: An absolute MAP threshold of 65 mmHg is most frequently used to define hypotension in ICU patients. (eur.nl)
- The majority of ICU patients are estimated to endure hypotension during their ICU admission for a considerable amount of time, with nurses reporting a higher estimated incidence and time spent in hypotension than physicians. (eur.nl)
- This large volume of reports of hypotension confirms the concerns of FDA reviewers that the [Entresto (valsartan-sacubitril)] clinical trial results in carefully selected patients underestimated the risk of hypotension in normal clinical practice. (druginjurylaw.com)
- As we noted, the risk is so prominent that about 1 out of 4 patients started on [Entresto] will experience a hypotension-related event. (druginjurylaw.com)
- We recommend that the FDA and [Novartis Pharmaceuticals Corporation] the manufacturer [of Entresto] more clearly communicate the full risk of hypotension, including appropriate steps for monitoring patients, and examine whether a more gradual escalation of dose to the recommended level would reduce the risk. (druginjurylaw.com)
- T]he signal investigated for this report suggested that many patients starting on this new drug [Entresto] were experiencing hypotension (low blood pressure), and the reported complications ranged from dizziness to blackouts and other consequences serious enough to require hospitalization. (druginjurylaw.com)
- In that study, 24.4% of carefully selected patients experienced a hypotension-related adverse event. (druginjurylaw.com)
- Compte tenu du nombre croissant d'infections et de décès par le virus de la grippe pandémique (H1N1) 2009 confirmés en laboratoire dans la Région OMS de la Méditerranée orientale, le Bureau régional a convoqué une réunion consultative d'experts impliqués dans la prise en charge clinique de patients infectés par ce virus. (who.int)
- Informing patients about the risk of hypotension and concussion if taken with alcohol. (aleijten.com)
- Dobutamine is a beta-1 agonist used in the treatment of Heart failure, Hypotension, cardiac decompensation in patients with organic heart disease or from cardiac surgery. (medicoinfo.org)
- Patients should be advised of the risk of orthostatic hypotension, especially during the period of initial dose titration. (pharmacycode.com)
- Introduction : L'étude épidémiologique transversale ENDORSE montrait une forte prévalence 52% des patients hospitalisés présentant un risque de MTEV dans le monde dont 64% de patients en chirurgie. (bvsalud.org)
Acute3
- However, hypotension can also indicate a chronic problem, such as a hormone imbalance, or an acute condition, such as anaphylaxis . (medicalnewstoday.com)
- He also experienced hypotension and acute renal failure. (cdc.gov)
- The patient presented to his local hospital 1 week after RUX treatment discontinuation with acute hypoxemic respiratory failure and hypotension. (ajmc.com)
Blood33
- Orthostatic hypotension is a drop in blood pressure that occurs when moving from a laying down (supine) position to a standing (upright) position. (medlineplus.gov)
- The word "orthostasis" means to stand up, so the condition is defined as low blood pressure (hypotension) that occurs upon standing. (medlineplus.gov)
- When measuring blood pressure, orthostatic hypotension is defined as a decrease in blood pressure by at least 20mmHg systolic or 10mmHg diastolic within 3 minutes of standing. (medlineplus.gov)
- Disorders that affect the autonomic nervous system can impair the adjustment of blood pressure, leading to orthostatic hypotension. (medlineplus.gov)
- The non-neurogenic form of orthostatic hypotension is often caused by environmental or health factors that impair the body's mechanisms to stabilize blood pressure upon standing. (medlineplus.gov)
- Certain medications can also contribute to non-neurogenic orthostatic hypotension, such as antipsychotic or antidepressant drugs, drugs that treat high blood pressure by widening blood vessels (vasodilators), or drugs that help remove water and salt from the body (diuretics). (medlineplus.gov)
- Low blood pressure, or hypotension, can lead to dizziness and faintness. (medicalnewstoday.com)
- Hypotension after eating is more common among older people, especially those with high blood pressure, diabetes, or Parkinson's disease . (medicalnewstoday.com)
- Orthostatic hypotension is a sudden fall in blood pressure that occurs when a person assumes a standing position. (nih.gov)
- Hypotension is when the blood pressure is too low. (localquoter.net)
- Hypotension is defined by an abnormal decrease in the pressure of blood , which means that it is too low in the blood vessels. (localquoter.net)
- 4. https://www.nhs.uk/conditions/low-blood-pressure-hypotension/#:~:text=Low%20blood%20pressure%20is%20a,need%20treatment%20if%20it%20does. (localquoter.net)
- The goals of treatment for orthostatic hypotension are to prevent blood pressure from falling too low and improve quality of life. (mayoclinic.org)
- Orthostatic hypotension is a form of low blood pressure that happens when you stand up from sitting or lying down. (mayoclinic.org)
- Three features of neurogenic orthostatic hypotension are a large drop in blood pressure upon standing, a smaller-than-expected increase in heart rate when standing up, and inadequate blood pressure recovery after a Valsalva maneuver - a test where you breathe out against resistance. (mayoclinic.org)
- Treatment for orthostatic hypotension must be individualized because regulating blood pressure is complex. (mayoclinic.org)
- And many people have a combination of orthostatic hypotension and high blood pressure, which makes treatment a balancing act. (mayoclinic.org)
- This can make treatment very difficult because treating the high blood pressure with pressure-lowering medications can worsen hypotension and threaten brain function. (hrb.ie)
- To assess the effectiveness of utilising a combined approach of clinical signs, metabolic acidosis and absolute blood pressure (BP) values when deciding to treat hypotension in the extremely low birthweight (ELBW) infant. (bmj.com)
- The effects of pharmacologically induced hypotension with nitroprusside (NTP) and hypotension elicited by intravenous compound 48/80 (48/80), a mast cell degranulating agent, were compared after equivalent reductions in mean arterial blood pressure (MAP). (duke.edu)
- Low blood pressure, also called hypotension, means the brain and limbs are not receiving adequate blood flow. (griswoldhomecare.com)
- Postural hypotension or orthostatic hypotension - This type of low blood pressure is generally caused when moving too quickly from sitting to standing. (griswoldhomecare.com)
- Much like high blood pressure, hypotension in the elderly may not be noticeable at first. (griswoldhomecare.com)
- Hypoxemia and hypotension reduce the blood flow and oxygen supply to the organs, hence also to the uterus and puppies. (slu.se)
- Hypotension is defined as abnormally low blood pressure (BP) or a significant decrease in BP. (cancertherapyadvisor.com)
- Hypotension is common after the anesthetic induction, [ 1 ] and may result from blood loss, fluid shifts, and cytokine release perioperatively. (medscape.com)
- Hypotension is also known as low blood pressure. (ecosh.com)
- Hypotension is a medical term used for the low blood pressure (less than 90/60). (physiomentor.co)
- Low blood pressure, or hypotension, is when you are not getting enough blood to your organs. (webmd.com)
- The fundamental GI lesion appears to be increased permeability of the small blood vessels, leading to fluid loss and hypotension. (cdc.gov)
- hypotension (low blood pressure), or heart failure. (medlineplus.gov)
- Oklahoma, the organization notes flibanserin is also associated with hypotension severely low blood pressure and loss of consciousness. (aleijten.com)
- Hypotension is the medical term for diminished blood pressure. (medicoinfo.org)
Arterial2
Intraoperative4
- Because mast cells can rapidly release vasoactive and proinflammatory effectors, we investigated their role in intraoperative hypotension. (duke.edu)
- Biomarker responses and their association with intraoperative hypotension were analyzed by 2-sample t test and Wilcoxon rank sum test. (duke.edu)
- CONCLUSIONS: Mast cell activation occurs in cardiac surgery requiring cardiopulmonary bypass and hypothermic circulatory arrest and is associated with intraoperative hypotension. (duke.edu)
- Therefore, the effect of intraoperative hypotension (IOH) on risk of perioperative myocardial infarction (MI) was explored. (medscape.com)
Neurally1
- Neurally mediated hypotension - This type results from standing in one place for too long. (griswoldhomecare.com)
Cardiovascular4
- [ 19 ] However, in elderly, SA is associated with 25-69% incidence of hypotension and decreased physiological reserve that if added to the associated cardiovascular ischemic and/or valvular disease makes even brief episodes of uncorrected hypotension hardly tolerable and might cause detrimental consequences on their cardiac and mental compromised conditions. (medscape.com)
- http://www.ncbi.nlm.nih.gov/pubmed/30583909?tool=bestpractice.com Orthostatic hypotension is associated with increased risk of dementia and cardiovascular disease, and is an independent risk factor for all-cause mortality. (bmj.com)
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6107267 http://www.ncbi.nlm.nih.gov/pubmed/30045960?tool=bestpractice.com [5] Fagard RH, De Cort P. Orthostatic hypotension is a more robust predictor of cardiovascular events than nighttime reverse dipping in elderly. (bmj.com)
- We identified 1,684 adverse event reports indicating a hypotension-related event, more than for any other cardiovascular drug we monitored over the 12 months ending in 2017 Q1. (druginjurylaw.com)
Severe hypotension3
- Severe hypotension can lead to hypotensive shock. (medicalnewstoday.com)
- In preterm infants, severe hypotension refractory to both volume expansion and inotropic agents have been related to relative adrenal insufficiency [2]. (scirp.org)
- Co-administration with medications containing organic nitrates may cause severe hypotension which is dangerous in some cases. (canadianpharm.org)
Neonatal Hypotension1
- Below is the selection of side effect reports (a.k.a. adverse event reports) related to Neoprofen (Ibuprofen) where reactions include neonatal hypotension. (druglib.com)
Neurogenic orthostatic4
- Neurogenic orthostatic hypotension often occurs along with nervous system disorders such as Parkinson disease , dementia with Lewy bodies , multiple system atrophy , pure autonomic failure, diabetes, Guillain-Barré syndrome , dopamine beta-hydroxylase deficiency , or infections that cause disturbances in nerve function (neuropathy). (medlineplus.gov)
- The NINDS supports research on conditions such as neurogenic orthostatic hypotension aimed at increasing scientific understanding of the condition and finding ways to treat and prevent it. (nih.gov)
- Brooks M. FDA Clears Droxidopa for Neurogenic Orthostatic Hypotension. (medscape.com)
- Neurogenic orthostatic hypotension. (medscape.com)
Diagnosis3
- The pathophysiology and diagnosis of orthostatic hypotension. (umassmed.edu)
- Robertson D. The pathophysiology and diagnosis of orthostatic hypotension. (umassmed.edu)
- It is helpful to construct a differential diagnosis for hypotension by thinking about the problem from a physiologic standpoint. (cancertherapyadvisor.com)
Mortality4
- Orthostatic hypotension is an independent predictor of mortality and the cause of significant morbidity associated with falls. (bmj.com)
- Orthostatic hypotension predicts all-cause mortality and coronary events in middle-aged individuals (The Malmo Preventive Project). (bmj.com)
- In preterm infants, effective treatments are essential because severe and prolonged hypotension is associated with increased mortality and central nervous system morbidity [5,6]. (scirp.org)
- Without appropriate treatment, hypotension often progresses to shock with very high mortality. (medscape.com)
Elderly2
- Postprandial hypotension - This type of hypotension in the elderly occurs about two hours after eating. (griswoldhomecare.com)
- Autonomic dysfunction should be considered as a cause of hypotension in the elderly, particularly following trauma, but was unlikely to account for the electrolytic abnormalities in this patient. (medscape.com)
Perfusion1
- Hypotension will lead to inadequate perfusion of organs and over time, organ dysfunction. (cancertherapyadvisor.com)
Methods2
- Methods to alleviate post spinal hypotension either physical e.g., leg wrapping, elastic stockings, optimizing patient's position, or pharmacological e.g., intravenous fluids and vasopressors have been used with varying degree of success. (medscape.com)
- Methods: We conducted an international, peer-reviewed survey among ICU physicians and nurses to provide insight in currently used definitions, estimations of incidence, and duration of hypotension. (eur.nl)
Medications3
- Some medications may cause orthostatic hypotension. (mayoclinic.org)
- Consider holding or lowering dosage of medications that may cause hypotension. (cancertherapyadvisor.com)
- 2. Do any of the medications taken cause hypotension? (cancertherapyadvisor.com)
Incidence1
- The aim of the study was to investigate the incidence of hypoxemia and hypotension during cesarean section in dogs. (slu.se)
Postprandial1
- Intake of water half an hour before meals or drinking coffee can counteract postprandial hypotension. (medscape.com)
Angioedema1
- Penicillin-allergic women who do not have a history of anaphylaxis, severe non IgE-mediated reaction, pruritic rash, urticaria (hives), immediate flushing, hypotension, angioedema, or respiratory distress following administration of a penicillin or a cephalosporin or recurrent reactions, reactions to multiple beta-lactam antibiotics, or positive penicillin allergy test should receive cefazolin for GBS intrapartum prophylaxis. (cdc.gov)
Hyperkalemia2
- As a result, secondary adrenal insufficiency generally does not result in hypotension, hyponatremia , hyperkalemia , or hyperpigmentation. (medscape.com)
- Additionally, the patient has several clinical features not explained by SIADH alone, including hypotension, hyperkalemia, and peripheral edema. (medscape.com)
Rash1
- This may result in atoxic shock syndrome which manifests as high fever diffuse rash, malaise, confusion, hypotension and multi-organ failure. (cancertherapyadvisor.com)
Spinal2
- [ 12 ] Those two effects hit exactly the two pathophysiological effects incriminated in eliciting post spinal hypotension, [ 2 ] that explained our results and confirmed our conclusion (Figure 4). (medscape.com)
- [ 23 ] The usual measures of pre-load or co-load of either crystalloid or colloid remain controversial with many studies that confirmed that post-spinal hypotension remains significant regardless of the type or timing of the given fluids [ 23 ] and may cause hypervolemia. (medscape.com)
Clinical1
- But with a comprehensive evaluation, the cause of orthostatic hypotension can be identified, and using a careful clinical approach, the condition often can be effectively managed. (mayoclinic.org)
Perioperative1
- 20 min after the blockade was installed, and at the time of motor function recovery according to the Bromage criteria and prognostic indices will be evaluated in the development of perioperative hypotension in two groups. (bvsalud.org)
Autonomic system1
- The disorder may be associated with Addison's disease, diabetes, and certain neurological disorders including Multiple System Atrophy with Orthostatic Hypotension (formerly known as Shy-Drager syndrome), autonomic system neuropathies, and other dysautonomias. (nih.gov)
Syncope1
- Is this Syncope, hypotension, or something else? (medhelp.org)
Hypoperfusion1
- It can result from pancerebral hypoperfusion caused by vasovagal reflexes, orthostatic hypotension, or decreased cardiac output, or from selective hypoperfusion of the brainstem resulting from vertebrobasilar ischemia. (mhmedical.com)
Treatment1
- In prolonged critical illnesses such as multiorgan failure, a state of relative or functional adrenal insufficiency characterized by an inadequate production of cortisol despite an increased demand could lead to refractory hypotension and to hydrocortisone treatment [1]. (scirp.org)
Shock2
- Hypotension & shock: The tr. (nursingcenter.com)
- NICE is unable to make a recommendation on angiotensin II for treating vasosuppressor-resistant hypotension caused by septic or distributive shock. (bvsalud.org)
Disorder2
- Delayed orthostatic hypotension occurred in 54% of our tested population and was associated with milder abnormalities of sympathetic adrenergic function, suggesting this disorder may be a mild or early form of sympathetic adrenergic failure. (neurology.org)
- When this group What were was menopause, products applied common disorder in we have someone en el paquete. (marsta.nu)
Circulatory1
- OBJECTIVE: Aortic surgeries requiring hypothermic circulatory arrest evoke systemic inflammatory responses that often manifest as vasoplegia and hypotension. (duke.edu)
Multisystem1
- Hypotension and mucous membrane, multisystem involvement, and later, desquamation (see PHIL 5113) are features of the disease as well. (cdc.gov)
Occurs when a person1
- Remember above we mentioned orthostatic hypotension that occurs when a person goes from sitting to standing too quickly. (griswoldhomecare.com)