• An innovative method using a two-depth transorbital doppler (TDTD) of intracranial pressure quantitative absolute (ICP) value measurement relies on the same fundamental principle that is used to measure blood pressure with a sphygmomanometer. (wikipedia.org)
  • The TDTD method uses Doppler ultrasound to translate the pressure balance principle of blood pressure measurement with a sphygmomanometer to the measurement of ICP. (wikipedia.org)
  • In place of the stethoscope, a Doppler ultrasound beam measures the blood flow pulsations in intracranial and extracranial segments of the ophthalmic artery. (wikipedia.org)
  • Preliminary report of 48-hours Atosiban administration in spontaneous preterm labor - Doppler blood flow assessment of placental and fetal circulation. (nel.edu)
  • Evans et al demonstrated a significant change in several Doppler velocity measures in the MCA, including systolic, diastolic, and mean velocity, pulsatility index and velocity time integral, during days 1 and 2 after birth in a cohort of preterm infants. (bmj.com)
  • A System for Detecting Chemically-Induced Changes in Cerebral Blood Flow using Transcranial Doppler Sonography in a Dog Model. (cdc.gov)
  • The effect of deltamethrin (52918635) on cerebral blood flow in the dog was measured by transcranial Doppler sonography (TDS). (cdc.gov)
  • The pulsatility index (PI), cerebroplacental ratio (CPR), and Doppler velocimetry (DV) of the umbilical artery were all measured. (springeropen.com)
  • Intrauterine growth restriction foetuses with defective umbilical arteries Doppler had a substantially higher mean left myocardial performance index (mean 0.58 SD 0.093) than healthy foetuses (mean 0.45SD 0.070) (P 0.001). (springeropen.com)
  • The alterations in Doppler flow in these veins indicate that the cardiovascular status of foetuses is deteriorating. (springeropen.com)
  • The Doppler flow spectra of certain FGR foetuses, on the other hand, stay normal until a poor neonatal outcome occurs. (springeropen.com)
  • Tei index (myocardial performance index) is a Doppler echocardiography tool for evaluating cardiac ventricular systolic and diastolic functioning [ 3 ]. (springeropen.com)
  • Use relationship of vascular diagnostic techniques to laboratory values, patient history,  Distinguish different Doppler flow patterns between portal veins, hepatic veins, and hepatic arteries. (pharmapdf.com)
  • 4. Explain proficiency in the performance of physiologic testing (including volume pulse recording, pressure measurements, plethysmography, and stress testing), real-time ultrasound imaging, and Doppler evaluation (pulsed and continuous wave, color, and power flow) as related to the vasculature. (pharmapdf.com)
  • Twenty-eight oligomenorrheic or amenorrheic patients with PCOS and 14 eumenorrheic women with a PCOS-like ovarian pattern undergoing endoctrine screening and ultrasound color Doppler intraovarian blood flow were recruited to the study. (uniba.it)
  • Hormonal assays (follicle-stimulating hormone (FSH), luteinizing hormone (LH), androstenedione, testosterone, sex hormone-binding globulin (SHBG) and estradiol), oval glucose tolerance test (OGTT), baseline and glucose-induced insulin levels, and transvaginal ultrasonographic and color Doppler analysis (pulsatility index (PI), resistance index (RI) and velocity (V-max) of ovarian stromal flow) were performed in all participants in the early proliferative phase. (uniba.it)
  • An increased stromal blood flow was observed in the PCOS and PCOS-like patients by transvaginal color Doppler evaluation, but this technique is not able to differentiate these two similar ovarian patterns. (uniba.it)
  • To study the effect of placental embolisation as well as maternal hypoxaemia on fetal left and right ventricular function as reflected by pulsed-wave Doppler-derived myocardial performance index (MPI). (uit.no)
  • We evaluated global myocardial function with pulse-wave Doppler-based myocardial performance index. (uit.no)
  • In the third set, fetal cardiac systolic function was evaluated using ventricular outputs, global longitudinal strain/strain rate with speckle tracking echocardiography and isovolumic contraction velocities of the ventricular wall at the level of the mitral and tricuspid valves with tissue Doppler. (uit.no)
  • Diastolic function was evaluated using isovolumic relaxation velocities using tissue Doppler and pulsatility index of the ductus venosus with pulsed wave Doppler ultrasound. (uit.no)
  • Pulsatility index of the right pulmonary artery was measured with pulsed wave Doppler ultrasound. (uit.no)
  • Participants undergo a physiological assessment at baseline and on each treatment, including transcranial Doppler ultrasound (TCD, DWL DopplerBox) to assess cerebrovascular pulsatility and reactivity to 4-6% carbon dioxide. (ox.ac.uk)
  • We measured basal clitoral blood flow by Doppler sonography to determine whether tension-free vaginal mesh(TVM) affects the clitoral blood flow and sexual function in women with pelvic organ prolapse (POP). (elsevierpure.com)
  • Clitoral blood flow was measured by Doppler ultrasound. (elsevierpure.com)
  • Color Doppler ultrasonography is potentially useful in measuring clitoral blood flow in patients treated with TVM for POP. (elsevierpure.com)
  • The purpose of the present study was to comprehensively assess blood flow changes in the distal radial artery (RA) and ulnar artery (UA) after BPB performed via a new costoclavicular space (CCS) approach using colour Doppler ultrasound. (biomedcentral.com)
  • The haemodynamic parameters of the RA and UA were recorded before the block and 10 min, 20 min, and 30 min after the block using colour Doppler ultrasound to determine the peak systolic velocity (PSV), end-diastolic velocity (EDV), mean velocity (V mean ), pulsatility index (PI), resistance index (RI) and area. (biomedcentral.com)
  • The current prospective study aimed to comprehensively determine the blood flow parameters of the distal radial artery (RA) and the ulnar artery (UA) after costoclavicular BPB using colour Doppler sonography. (biomedcentral.com)
  • Then, a portable color Doppler ultrasound was used to measure the pulsatility index (PI), resistive index (RI), Systolic velocity peak (SVP) and end diastolic velocity (EDV) of the testicular arteries in each of two locations. (advetresearch.com)
  • In conclusion pulsed wave Doppler ltrasound characterization of blood flow of the donkeys' testis is possible, and will likely become a seful tool for quantitative evaluation of the testicular vasculature/hemodynamic in male donkey. (advetresearch.com)
  • Doppler measurements showed significant modifications in both pulsatility and resistivity indexes. (journal-jams.org)
  • All women underwent examination of gray-scale ultrasonography and color Doppler flow. (radiologyupdate.org)
  • Extracranial Doppler examinations are measurements of blood flow velocities in the extracranial vessels, and particularly the Common, External, and Internal Carotid arteries, as well as the Subclavian artery. (medtechedge.com)
  • The extracranial vessels are easily accessible with standard Continuous Wave (CW) Doppler probes and allow quick identification of abnormal blood flow patterns. (medtechedge.com)
  • Ophthalmic artery Doppler is a noninvasive examination used to study central territory vascular flow during pregnancy. (biomedcentral.com)
  • Carotid and middle cerebral artery (MCA) blood velocity pulsatility were measured via ultrasound and Doppler. (syr.edu)
  • Such modulation depends on a top-down control of subcortical neural circuits, which can be explored through changes in cerebral blood flow velocity (CBFV), using functional transcranial Doppler (fTCD) and, thus, gaining useful, indirect information on brain connectivity. (unisa.it)
  • Doppler findings showed that peak maximum velocity, peak minimum velocity, mean flow velocity, portal vein pulsatility index of portal vein, and hepatic artery resistivity index were significantly lower in non-alcoholic fatty liver disease patients than in healthy people. (springeropen.com)
  • Absent or reversed end-diastolic blood flow in the umbilical artery and abnormal Doppler cerebroplacental ratio - cognitive, neurological and somatic development at 3-6 years. (nature.com)
  • Identify the vein and assess patency by being compressible and non pulsatile, for further confirmation utilize color or pulse wave doppler with augmentation to identify low status flow. (sjrhem.ca)
  • A standard fetal echocardiographic evaluation, including two-dimensional gray-scale imaging and color and Doppler color flow mapping, was performed on all fetuses. (biomedcentral.com)
  • Conducting Doppler assessments of fetal arterial blood flow might increase the rate of identification of fetuses at risk of CHD. (biomedcentral.com)
  • The umbilical vein joins the portal venous system in the liver, some umbilical blood is shunted directly to the IVC and right heart via Ductus Venosus. (ultrasoundpaedia.com)
  • Observations included fetal weight estimation, growth pattern, amniotic fluid volume, appearance of the heart and bowel, pulsatility index of the uterine, umbilical and middle cerebral arteries and ductus venosus. (nature.com)
  • The combination of a raised placentocerebral ratio and ductus venosus pulsatility index close to delivery had the highest (57.1%) positive predictive value. (nature.com)
  • Evaluate the resistive index to help with renal transplant acceptance. (pharmapdf.com)
  • The most common cause of portal hypertension is cirrhosis , with portal hypertension developing as a result of a progressive increase in resistance to portal vein blood flow. (medscape.com)
  • In PH, blood that normally flows through the liver is diverted into systemic veins because of increased resistance to portal venous flow. (medscape.com)
  • The resistance index (RI), pulsatility index (PI), peak systolic velocity (PSV), and end-diastolic velocity (EDV) of the clitoral arteries were measured preoperatively and at 1, 3, and 6 months postoperatively. (elsevierpure.com)
  • Absolute and mean blood velocities, pulsatility index (PI), and resistance index (RI) were measured in the common carotid arteries (CCAs) by duplex sonography (DS) and compared with flow-sensitive 4D MRI. (uni-luebeck.de)
  • The apparent increase in resistance index and pulsatility index values, although there is no statistical significance in this series of cases, and the decrease in peak ratio values after the administration of magnesium sulfate reflect an increase in the impedance to flow in the ophthalmic artery and consequently a reduction in cerebral perfusion after the use of magnesium sulfate. (biomedcentral.com)
  • Low intracellular calcium would inactivate calmodulin-dependent myosin light chain kinase activity and decreased contraction, causing arterial relaxation that may subsequently decrease peripheral and cerebral vascular resistance, relieving vasospasm, and decreasing arterial blood pressure [ 13 , 14 ]. (biomedcentral.com)
  • We measured Critical Flicker Fusion Frequency (CFFF), blood oxygen saturation, Psychology Experiment Building (PEBL) including three tests (Modified Math Processing Task, Perceptual Vigilance Task, and Time Estimation Task), as well as Cerebral Blood Flow index (CBFi), mean cerebral artery Systolic and diastolic velocities, Cerebral Pulsatility index (CPi), and heart Rate. (daneurope.org)
  • Also, ultrasound imaging reveals that acupuncture improves ovarian blood circulation. (ogka.at)
  • One of the earliest uses of ultrasound (US) outside of radiology was in the detection of intra-abdominal free fluid (or blood) in the context of trauma. (healthmanagement.org)
  • These findings suggest that the frequency of the harmonic sound is related to the velocity of microemboli that traverse the ultrasound beam, and that the velocity of microemboli and duration of MESs are inversely correlated. (go.jp)
  • The Viasonix Dolphin special m-mode option allows the examiner to view flows at all depths along the ultrasound beam. (medtechedge.com)
  • For a great explanation about the fetoplacental circulation the following 5 minute video link is extremely useful in assisting ultrasound practitioners understand the direction of blood flow. (ultrasoundpaedia.com)
  • Aortic and carotid (single point) pulse wave velocity (PWV) were assessed via tonometry and ultrasound, respectively. (syr.edu)
  • The portal vein pulsatility index (VPI) and time-averaged mean flow velocity (MFV) were calculated for each subject. (journalcra.com)
  • Objective To perform a systematic review and meta-analysis examining the influence of acute and chronic prenatal exercise on fetal heart rate (FHR) and umbilical and uterine blood flow metrics. (uwo.ca)
  • Maternal heart rate and the pulsatility index (PI) in both uterine arteries (R-UtA, L-UtA) were assessed. (nel.edu)
  • This kind of tocolysis treatment seems not to alter uterine nor fetal arterial blood flow pattern seriously. (nel.edu)
  • Indices for decreased cerebral blood flow control--a modelling study. (ox.ac.uk)
  • There were no significant differences between the caliper measurements and blood flow indices of the left and right testes. (advetresearch.com)
  • All indices were indirectly proportionate to the grade of the disease except for peak minimum velocity which was significantly lower on comparing grade 3 patients with grades 1 and 2 patients. (springeropen.com)
  • The Abd Volatility Index, also known as the VIX, measures the possible movement of the US Equity Indices. (binaryoptionsforex625.com)
  • According to the transcranial doplerography, the cerebral blood flow velocity is reduced in the patients with post-stroke depression. (scirp.org)
  • Measure of the variability of blood velocity in a vessel to evaluate pulsatility index. (pharmapdf.com)
  • Background Cerebral small vessel disease (SVD) is associated with increased cerebrovascular pulsatility, endothelial dysfunction, and impaired vascular reactivity. (ox.ac.uk)
  • Patients with glaucoma can show blood flow anomalies at the eye vessel level. (journal-jams.org)
  • The Falcon protocols allow the configuration of any blood vessel of interest, and this is supported with a schematic picture of the carotid circulation for improved documentation. (medtechedge.com)
  • Optimal NVC depends on continuous, nonpulsatile flow, which is partially determined by extra- and intracranial vessel function. (syr.edu)
  • Arterial and venous cannula were implanted for direct blood pressure measurement and a carbon-dioxide (CO2) analyzer was attached to the endotracheal tube to monitor end tidal CO2. (cdc.gov)
  • Secondary outcomes including non-inferiority of sildenafil vs cilostazol in effects on PI, percentage increase in MCA blood flow velocity and BOLD-fMRI response during inhalation of 4-6% carbon dioxide. (ox.ac.uk)
  • E-wave/A-wave ratio (E/A) for atrioventricular valves, the myocardial performance index (MPI) and shortening fraction (SF) for both ventricles were calculated for both ventricles independently. (nel.edu)
  • Systolic to diastolic ratio, Pourcelout pulsatility index, Golsing pulsatility index, and maximum systolic upstroke showed no consistent changes. (cdc.gov)
  • An intracranial hemorrhage and increased MCA velocity will likely result in higher Lindegaard ratio values. (medtechedge.com)
  • Direct comparison of arterial blood pressure (ABP) and externally applied pressure is the basic arterial blood pressure measurement principle, which eliminates the need for individual calibration. (wikipedia.org)
  • Maternal heart rate and blood flow in (R-UtA/L-UtA) were not altered significantly during Atosiban administration. (nel.edu)
  • When compared to the control group, IUGR foetuses with abnormal left myocardial performance index had a significantly worse perinatal outcome and higher morbidity. (springeropen.com)
  • This significantly reduces the risk of missing a valid blood flow signal and reaching an erroneous clinical diagnosis. (medtechedge.com)
  • The measured blood flow velocities increase significantly in the area of stenosis, until the stenosis decreases the effective arterial diameter to a critical level. (medtechedge.com)
  • Cerebral blood flow velocity (CBFV) and pulsatility index (PI) were recorded after anesthetic induction (baseline). (tcdglobal.org)
  • We evaluated the changes in CBFV by measuring the pulsatility index (PI) in 21 patients with DoC (10 patients with MCS and 11 with UWS) and 25 healthy controls (HC) during a passive movement and motor imagery (MI) task in which the hand of the subject approached and, then, moved away from the subject's face. (unisa.it)
  • Further studies should be performed to verify its possible influence on fetal venous blood flow. (nel.edu)
  • A 5ml sample of venous blood was taken during a fasting blood test carried out between days 2 and 5 of the participants' menstrual cycles, both before and after all treatments. (ogka.at)
  • This diversion of portal venous blood occurs via exiting portosystemic communications (eg, the left gastric vein) and the opening of embryonic channels (eg, paraumbilical veins). (medscape.com)
  • Portal hypertension has 2 components: the intrahepatic obstruction of portal blood flow and the transmitted venous pressure from the hepatic vein. (medscape.com)
  • Intracranial compliance is the relationship between the ICP and the volume of the intracranial cavity including cerebrospinal fluid, or CSF, brain tissue as well as arterial and venous blood volume. (elpasochiropractorblog.com)
  • 2. Demonstrate knowledge of normal and abnormal vascular anatomy of the upper and  Distinguish between normal and abnormal anatomy and flow of the upper arterial and  Locate a DVT in the upper venous extremity. (pharmapdf.com)
  • The model was designed to simulate blood inflow and storage, arteriolar and capillary blood circulation controlled by cerebral autoregulation, venous blood outflow and storage modulated by intracranial pressure, and cerebrospinal fluid production, storage and reabsorption. (ox.ac.uk)
  • It is an essential diagnostic parameter when determining if high cerebral velocities result from a cerebral hemorrhage, arterio-venous malformations, or other factors. (medtechedge.com)
  • The aim of the study was to use the left modified myocardial performance index (MPI), assess cardiac function in foetuses with intrauterine growth restriction (IUGR) compared to healthy foetuses, and to connect the relationship between changes in MPI and perinatal outcome. (springeropen.com)
  • MAP is the normal blood pressure during one cardiac cycle which can be measured through invasive hemodynamic monitoring or calculated by the systolic blood pressure, plus two times the diastolic blood pressure, divided by three. (elpasochiropractorblog.com)
  • Local hemodynamics worsened with luminal protrusion of the stent and with stent malapposition, adverse high WSS and WSSG were identified around peak flow and throughout the cardiac cycle respectively. (researchgate.net)
  • VPI was calculated as (peak maximum velocity - peak minimum velocity) /peak maximum velocity). (journalcra.com)
  • Blood flow in the intracranial OA segment is affected by intracranial pressure, while flow in the extracranial (intraorbital) OA segment is influenced by the externally applied pressure (Pe) to the eyeball and orbital tissues. (wikipedia.org)
  • The criteria for the assessment of the extracranial blood flow measurements depends on the pathology. (medtechedge.com)
  • Despite increases in large artery stiffness, middle-aged adults with controlled hypertension and without hypertension exhibit reductions in extracranial flow pulsatility during cognitive engagement that may be part of a concerted cerebrovascular response to support downstream cerebral oxygenation and overall NVC. (syr.edu)
  • All foetuses had their myocardial performance index assessed. (springeropen.com)
  • Based on the perinatal result, the foetal myocardial performance index was linked to the severity of foetal impairment in intrauterine growth restriction foetuses. (springeropen.com)
  • To determine three-dimensional (3D) blood flow patterns in the carotid bifurcation, 10 healthy volunteers and nine patients with internal carotid artery (ICA) stenosis ≥50% were examined by flow-sensitive 4D MRI at 3T. (uni-luebeck.de)
  • Our results demonstrate the feasibility of flow-sensitive 4D MRI for the quantification and 3D visualization of physiological and pathological flow patterns in the carotid artery bifurcation. (uni-luebeck.de)
  • Both CO2 reactivity and pressure-autoregulation index correlated with a degree of carotid artery stenosis. (ox.ac.uk)
  • Describe normal and abnormal vascular flow patterns and waveform morphology. (pharmapdf.com)
  • Sickle cell disease is a disorder of the blood caused by abnormal hemoglobin which causes distorted (sickled) red blood cells. (medtechedge.com)
  • Mean of maximum cerebral velocity readings are obtained, and results are classified as normal, conditional, abnormal or inadequate based on the measurements. (medtechedge.com)
  • We computed flow pulsatility index (PI) and short range correlation coefficients between systolic, diastolic and mean flow velocity (FVs,d,m) and mean cerebral perfusion pressure (CPP). (ox.ac.uk)
  • Baseline measurements of fetal blood gases and acid-base status were performed. (uit.no)
  • Kessous R, Aricha-Tamir B, Weintraub AY, Sheiner E, Hershkovitz R. Umbilical artery peak systolic velocity measurements for prediction of perinatal outcome among IUGR fetuses. (ijrcog.org)
  • These frequencies allow optimal access and measurements of larger/smaller and deeper/superficial blood vessels. (medtechedge.com)
  • In up to 60 patients, cerebrovascular pulsatility, perfusion and reactivity will also be assessed by MRI. (ox.ac.uk)
  • Traditional Chinese medicine indicates that acupuncture can promote specific blood perfusion in specific body districts. (journal-jams.org)
  • The protocol therefore should be investigated in future controlled studies and perhaps in other blood perfusion-related pathologies. (journal-jams.org)
  • Haemodynamic reserve can be estimated by measuring cerebrovascular reactivity induced by breathing CO2 and pressure-autoregulation by analyzing spontaneous slow fluctuation in arterial pressure and MCA blood flow velocity. (ox.ac.uk)
  • Both CO2 reactivity and pressure-autoregulation describe the magnitude of haemodynamic deficit caused by stenosis, pulsatility index expresses the asymmetry of stenosis. (ox.ac.uk)
  • Vasodilating phosphodiesterase inhibitors may improve cardiovascular pulsatility and reactivity, and potentially reduce progression of SVD. (ox.ac.uk)
  • Hypothesis: Sildenafil, a PDE5 inhibitor, will reduce cerebrovascular pulsatility and increase cerebrovascular reactivity compared to placebo, and is non-inferior to cilostazol, a PDE3 inhibitor. (ox.ac.uk)
  • Discussion Reduction in cerebral pulsatility and increased cerebrovascular reactivity during treatment with sildenafil would indicate potential benefit to prevent progression of SVD, suggesting a need for trials with clinical outcomes. (ox.ac.uk)
  • Similar to cerebral autoregulation and vasomotor reactivity, cerebral collateral flow reflects an alternative compensatory mechanism to pathological flow conditions. (medtechedge.com)
  • Arterial pressure and blood flow velocity were monitored during CO2 reactivity tests. (ox.ac.uk)
  • The hepatic circulation index (HCI) was calculated. (biomedcentral.com)
  • Quantitative tests of hepatic function are thought to assess the functional hepatic mass by measuring the blood flow-dependent hepatocyte function, such as indocyanine green (ICG) clearance. (biomedcentral.com)
  • Conclusion: The pulsatility index and the mean flow velocity decreases as the degree of fatty infiltration increases indicating that fatty infiltration leads to impedance to blood flow in the hepatic parenchyma and can later cause changes of chronic hepatitis and cirrhosis. (journalcra.com)
  • Reduction of portal flow and increase in hepatic artery flow in fatty liver correlates with disease severity and can help as a non-invasive measure in diagnosis and grading of non-alcoholic fatty liver disease. (springeropen.com)
  • Aortic and carotid PWV increased, carotid flow pulsatility decreased (P 0.01), and MCA flow pulsatility and PFC TSI were maintained during Stroop (P 0.01). (syr.edu)
  • Accordingly, non-invasive methods to assess liver fibrosis have been developed including blood biomarkers and imaging modalities [ 4 ]. (springeropen.com)
  • As volume increases due to a growing space-occupying lesion, brain tissue edema or blood, this process ultimately becomes overwhelming, and ICP begins to increase substantially. (elpasochiropractorblog.com)
  • thereafter, blood- and post-mortem brain tissue cultures grew Listeria monocytogenes . (biomedcentral.com)
  • We present a case of listerial CNS infection in a previously healthy person in whom diagnosis was based on the clinical findings of blood- and post-mortem tissue cultures, cerebrospinal fluid (CSF) results and computed tomography (CT). (biomedcentral.com)
  • Prefrontal cortex (PFC) oxygenation was measured via tissue saturation index (TSI) using near-infrared spectroscopy. (syr.edu)
  • Conclusion Acute and chronic prenatal exercise do not adversely impact FHR or uteroplacental blood flow metrics. (uwo.ca)
  • Hemodynamics monitoring as well arterial blood gas. (sjrhem.ca)
  • The short range running correlation coefficients between FVs, FVm and CPP indicated both combined safe CPP range and preserved autoregulation, promising a clear clinical detection of "non-worsening" blood supply conditions. (ox.ac.uk)
  • The pressure-autoregulation index was calculated as correlation coefficient between slow waves in blood flow velocity and arterial pressure. (ox.ac.uk)
  • RESULTS: The increase in CO2 produced a consistent rise in arterial pressure and blood flow velocity and weakened the pressure autoregulation. (ox.ac.uk)
  • Identify hepatopetal vs. hepatofugal flow in the liver. (pharmapdf.com)
  • In patients with ICA stenosis, 3D blood flow visualization was successfully employed to detect markedly altered filling and helical flow patterns (forward-moving spiral flow) in the ICA bulb and to evaluate the effect of revascularization, which restored filling and helical flow. (uni-luebeck.de)
  • Prof. Middeke, director of the Hyperonia center in Munich, was a close advisor to Anna Kopczak in respect to patient's blood pressure questions in the TREAT-SVDs clinical study. (svds-at-target.eu)
  • All participants were subjected to clinical examination including anthropometric measures, laboratory investigations including complete blood count (CBC), international normalization ration (INR), blood urea nitrogen (BUN), serum creatinine, aspartate aminotransferase (AST), alanine aminotransferase (ALT), total protein, albumin (Alb. (springeropen.com)
  • Cerebral blood flow, or CBF, is also a fundamental factor in ICP homeostasis. (elpasochiropractorblog.com)
  • However, when blood pressure increases, auto-regulation causes cerebral vasoconstriction and a decrease in CBF with a decrease in cerebral blood volume, also regulating ICP and CPP. (elpasochiropractorblog.com)
  • Time-dependent interactions between pressure, flow and volume of cerebral blood and cerebrospinal fluid were mathematically modelled. (ox.ac.uk)
  • It has been found that this drug possesses a multimodal action which is characterized by the decrease of the level of depression, widening of the range of social-environmental activity, improvement of the cerebral blood circulation and harmonization of the brain electrogenesis. (scirp.org)
  • Cerebral blood flow in diabetes mellitus: evi- tions , 1996, 10:228-242. (who.int)
  • The non-invasive ICP meter based on this method gradually increases the pressure over the eyeball and intraorbital tissues so that the blood flow pulsation parameters in two sections of the OA are equal. (wikipedia.org)
  • Morphological lymph node findings, intranodal flow distribution and quantitative blood flow parameters were documented and analyzed. (radiologyupdate.org)
  • Focal stenosis will cause a significant increase in mean and peak blood flow velocities, up to a critical level, after which flow will decrease. (medtechedge.com)
  • A sphygmomanometer works using a pressure balance principle - an air-filled pressure cuff wrapped around the arm compresses the brachial artery to a point where blood can no longer flow. (wikipedia.org)
  • At the pressure balance point, where the pressure in the cuff equals systolic artery pressure, a 'whooshing' noise can be heard as blood flows through the artery again. (wikipedia.org)
  • Blood from the right heart pumps to the lungs through the pumonary artery. (ultrasoundpaedia.com)
  • growth restricted with reversal of the umbilical artery diastolic flow. (ultrasoundpaedia.com)
  • External pressure changes the characteristics of blood flowing from inside the skull cavity into the eye socket. (wikipedia.org)
  • Rating of 3D flow characteristics in the ICA revealed consistent patterns for filling and helical flow in volunteers. (uni-luebeck.de)
  • Cerebral auto-regulation makes sure that steady blood flow is maintained in the brain over a wide range of physiologic alterations. (elpasochiropractorblog.com)
  • Brain Death condition reflects an extensive and irreversible brain damage, characterized by almost no volume blood flow to the brain. (medtechedge.com)
  • The Viasonix Dolphin's highly sensitive M-mode display identifies forward or reversed blood flow, throughout the depth range, for analysis of this brain protection mechanism. (medtechedge.com)
  • Acupuncture successfully regulates hormones and ovarian blood flow in women with polycystic ovary syndrome (PCOS) related infertility. (ogka.at)
  • Most microemboli detected in patients with AS flow close to the vascular walls. (go.jp)
  • Ninety-eight patients with open-angle glaucoma were treated with an ultralow light-level laser, according to a specific acupuncture protocol, and their blood flow was measured before and after a six-week treatment cycle. (journal-jams.org)
  • Furthermore, 3D MRI blood flow patterns in the carotid bifurcation of volunteers and patients before and after recanalization were graded by two independent readers. (uni-luebeck.de)
  • Il s'agit d'une étude transversale, monocentrique et descriptive, durant 12 mois, incluant les patients âgés d'au moins 18 ans admis en réanimation polyvalente pour un sepsis ou choc septique. (bvsalud.org)
  • La vitesse d'écoulement du flux sanguin et l'index de pulsatilité ont été mesurés dans les artères carotides internes intercrâniennes, les artères basilaires et cérébrales moyennes d'un échantillon de 141 patients diabétiques sans autre facteur de risque et de 132 témoins en bonne santé appariés pour l'âge et le sexe. (who.int)
  • Les patients ont été répartis en deux groupes : 73 patients souffrant d'un diabète compliqué dans le premier groupe et 68 patients atteints d'un diabète non compliqué dans le deuxième groupe. (who.int)
  • Une différence statistiquement significative a été relevée entre le groupe témoin et le groupe des patients souffrant de diabète compliqué pour les mesures dans les trois artères et la majorité des index. (who.int)