• Extubation, the process of removing an artificial airway to liberate a patient from mechanical ventilation (MV), leads to non-negligible risks due to significant respiratory and circulatory changes. (frontiersin.org)
  • The secondary outcomes will be duration of mechanical ventilation, length of stay in cardiac intensive care unit, reintubation rate, and complication rate. (springer.com)
  • Currently, mechanical ventilation is one of the main methods for the treatment of PALI. (springer.com)
  • Prone position ventilation refers to placement of the patient in the prone position during mechanical ventilation to facilitate lung expansion in the atelectatic area and improve the ventilation-perfusion ratio. (springer.com)
  • Prone position ventilation promotes lung recruitment and improves gas exchange through its effects on pleural pressure and lung compression [ 2 ]. (springer.com)
  • Prone position ventilation can reduce the difference between the dorsal and ventral pleural pressure, thereby improving the uniformity of lung ventilation and reducing alveolar hyperinflation and alveolar collapse. (springer.com)
  • Almost all these patients are under general anesthesia which is basically inseparable from mechanical ventilation. (researchsquare.com)
  • 15%-20% of patients had different degrees of alveolar collapse at the bottom of the lung before operation, and this phenomenon could persist for several days after operation due to the influence of mechanical ventilation of endotracheal intubation. (researchsquare.com)
  • Craniotomy always needs a long time for general anesthesia and prolonged mechanical ventilation, which leads to a higher risk of postoperative atelectasis and pulmonary infection[4,5]. (researchsquare.com)
  • Two hundred hemodynamically stable adults on invasive mechanical ventilation admitted to a multidisciplinary surgical intensive care unit were recruited. (biomedcentral.com)
  • Patients' characteristics included catecholamine and sedative doses, the original angle of head of bed elevation (HBE), the level of positive end expiratory pressure (PEEP), duration and mode of mechanical ventilation. (biomedcentral.com)
  • Multivariable modeling revealed that mode and duration of mechanical ventilation, the norepinephrine dose, and HBE had statistically significant influences. (biomedcentral.com)
  • Pressure-controlled ventilation was the most influential risk factor for hypotension when HBE was 45° (odds ratio (OR) 2.33, 95% confidence interval (CI), 1.23 to 4.76, P = 0.017). (biomedcentral.com)
  • Pressure-controlled ventilation, higher simplified acute physiology (SAPS II) score, sedation, high catecholamine, and PEEP requirements were identified as independent risk factors for hypotension after backrest elevation. (biomedcentral.com)
  • The incidence of VAP is independently associated with a supine (0°) head of bed position during the first 24 h of mechanical ventilation [ 5 ]. (biomedcentral.com)
  • We examined the influence of HBE on hemodynamic status in patients on invasive mechanical ventilation. (biomedcentral.com)
  • In this report we are describing a case of iatrogenic massive pleural effusion following subclavian vein catheterization necessitating intercostal tube drainage and mechanical ventilation. (biomedcentral.com)
  • The patient started to develop severe bradycardia and hypotension necessitating atropine and mechanical ventilation. (biomedcentral.com)
  • The researchers found that pEEG-guided anesthesia was associated with a reduction in the use of such drugs, as well as less use of anesthetic agents and opioids in the OR, lower central venous pressure (CVP), less fluid administration, less intraoperative bleeding, and shorter duration on mechanical ventilation. (aithority.com)
  • Oxygen therapy and mechanical ventilation are prescribed as needed. (lifenurses.com)
  • Conclusion Civelestat sodium combined with low tidal volume lung protective ventilation can improve the blood gas index of ARDS patients, stabilize hemodynamics, reduce lung injury and inflammatory reaction of the body, thus improving lung function, shortening mechanical ventilation, staying in ICU, and hospitalization time, and has high safety. (ynbzz.com)
  • Perform advanced airway maneuvers, including surgical cricothyrotomy and mechanical ventilation. (umms.org)
  • He is still undergoing mechanical ventilation and has received 1 liter of Hartmann's solution (consisting of sodium, 131 mmol per liter; potassium, 5.4 mmol per liter; chloride, 111 mmol per liter; lactate, 29 mmol per liter; and calcium, 2 mmol per liter, for a total osmolarity of 280.6 mOsm per liter) and 500 ml of 5% human albumin solution. (topgradeapp.com)
  • All patients were monitored with noninvasive cardiac output monitor based on contour pulse analysis (FloTrac®, Edwards Lifescience, Irvine, CA) and were on mechanical ventilation with tidal volume on average 6 mL/kg. (usp.br)
  • All received mechanical ventilation. (rcpe.ac.uk)
  • Without mechanical ventilation, most patients die early. (rcpe.ac.uk)
  • To date, the only best available effective treatment for ARDS is mechanical ventilation with low tidal volumes (TVs) as a lung protective strategy along with good supportive care. (rcpe.ac.uk)
  • Evidence-based practices (EBPs) for patients receiving invasive mechanical ventilation vary in the quality of their underlying evidence and ease of implementation. (biomedcentral.com)
  • We developed a 4-step rapid method using existing criteria to prioritize EBPs associated with lower mortality and/or shorter duration of invasive mechanical ventilation for patients suffering from acute respiratory failure or acute respiratory distress syndrome. (biomedcentral.com)
  • Our prioritization process allowed us to identify 11 EBPs out of a larger group that clinicians perceive is most likely to help optimize invasive mechanical ventilation and improve the outcomes of this vulnerable patient population. (biomedcentral.com)
  • While this method was developed in critical care related to adults receiving invasive mechanical ventilation, it is adaptable to other health contexts. (biomedcentral.com)
  • In this report, we outline this method and provide an example of the prioritization process in the context of invasive mechanical ventilation in intensive care unit (ICU) treatment of acute respiratory failure and acute respiratory distress syndrome. (biomedcentral.com)
  • Arterial Pulse Pressure Variation (PPV): Dynamic measurement that assess the effect of intrathoracic pressure changes on stroke volume changes during mechanical ventilation. (openanesthesia.org)
  • If RV dependent, positive pressure ventilation will significantly decrease venous return and subsequently stroke volume. (openanesthesia.org)
  • Assessment of Volume Responsiveness During Mechanical Ventilation: Recent Advances. (openanesthesia.org)
  • Following intubation and after securing the tube in place, we started positive pressure ventilation and returned the patient to the prone position, and the end tidal CO 2 returned within normal range. (biomedcentral.com)
  • The edema fluid was adequately suctioned and abated after 10 minutes of positive pressure ventilation. (biomedcentral.com)
  • Further, patients who received adjunctive levosimendan therapy were less likely to be weaned from mechanical ventilation than those who received standard care alone, and they had a higher risk for supraventricular tachyarrhythmia. (medscape.com)
  • Secondary outcomes were 28-day mortality, time to weaning from mechanical ventilation, and adverse events. (medscape.com)
  • Haemodynamic monitoring may include arterial and central venous catheters, pulmonary artery catheters and transpulmonary thermodilution/pulse wave analysis. (esicm.org)
  • METHODS: This was a subgroup analysis of a prospective, multicentre, observational cohort study conducted between March 2019 and December 2020 including 8 586 patients ≥ 16 years receiving central venous catheters at four emergency care hospitals. (lu.se)
  • Regional cerebral oxygen saturation (rSO2), partial pressure of oxygen (PaO2) and carbon dioxide (PaCO2), oxygenation index (OI), lactic acid level (Lac) in arterial blood, and mean arterial pressure (MAP) will be compared before anesthesia (T0), before dura opening (T1), after dura closing (T2) and 24 h after surgery (T3). (researchsquare.com)
  • After randomization to one of six possible sequences of positioning we assessed hemodynamic parameters and central venous oxygen saturation in each position and also examined the variables that might be independent predictors of hemodynamic changes. (biomedcentral.com)
  • The mean arterial pressure, central venous pressure, pressure of right atrium, pressure of left atrium, serum lactate concentration and oxygen saturation of mixed venous blood were monitored during mechanical circulatory support. (shsmu.edu.cn)
  • Initiate invasive and non-invasive vital sign monitoring to include: arterial oxygen saturation, quantitative measurement of expired end-tidal carbon dioxide, measurement of core body temperature, arterial pressure, and central venous pressure. (umms.org)
  • An endotracheal tube was inserted to deliver 100% oxygen from a mechanical respirator. (jamanetwork.com)
  • They found that goal-directed therapy with administration of fluid boluses to attain a central venous pressure of 8-12 mm Hg, vasopressors to attain a mean arterial blood pressure of 65-90 mm Hg, and red blood cell transfusions or inotropes to attain a central venous oxygen saturation of at least 70% did not decrease mortality, compared with unstructured clinical care (24.9% vs 25.4%, P = .68). (medscape.com)
  • Postoperative pulmonary artery pressures and arterial oxygen saturation levels were 11.2 ± 2.8 mmHg and 97.8 ± 2, respectively. (authorea.com)
  • What is known is that the apneas and hypopneas of OSAS do cause temporary elevations in blood pressure in association with blood-oxygen desaturation, arousal, and sympathetic activation. (legalvenoms.com)
  • The displacement of venous volume into the arterial circulation via VA-ECMO can significantly increase afterload on the left ventricle, thereby potentially reducing left ventricular (LV) stroke volume, increasing myocardial oxygen demand and filling pressure of the left ventricle. (thoracickey.com)
  • There were no significant between-group differences over time in the cardiac index, stroke volume, central venous oxygen saturations or pressure, ratio of the partial pressure of arterial oxygen to the fraction of inspired oxygen, or serum creatinine and bilirubin levels. (medscape.com)
  • First described by Aubaniac in 1952, central venous catheterization, or central line placement, is a time-honored and tested technique for quickly accessing the major venous system. (medscape.com)
  • Central vein catheterization is also referred to as central line placement. (medscape.com)
  • Since the introduction of central venous catheterization for monitoring of the venous pressure, fluid infusion and hyperalimentation, the literature has been full of serious life-threatening complications. (biomedcentral.com)
  • The case highlights the importance of ensuring adequate positioning of the catheter after insertion through aspiration of venous blood, immediate post insertion X-ray and the utilization of ultrasound guidance in cases with expected difficult catheterization. (biomedcentral.com)
  • Central venous catheterisation is a common procedure that allows venous access for delivering medications, infusing fluids or blood products, and monitoring volume status. (hkmj.org)
  • BACKGROUND: A previous study on mechanical complications after central venous catheterisation demonstrated differences in complication rates between male and female operators. (lu.se)
  • The main outcome measure was major mechanical complications defined as major bleeding, severe cardiac arrhythmia, pneumothorax, arterial catheterisation, and persistent nerve injury. (lu.se)
  • This increase in PA pressure can lead to right ventricular outflow obstruction and further compromise pulmonary venous return to the left heart. (medscape.com)
  • In exercise, an efficient calf muscle pump may compensate for some degree of reflux and obstruction and prevent the chronic venous insufficiency. (custom-web.ro)
  • The surgical repair of pulmonary venous obstruction after operation of total abnormal pulmonary venous connection (TAPVC), and the renewed operative procedure of transposition of the great arteries (TGA) and congenital corrected transposition of the great arteries (ccTGA) facilitate the rational surgical treatment of complex CHD. (shsmu.edu.cn)
  • Negative pressure pulmonary edema has been described after acute airway obstruction in situations when a patient is breathing against an obstructed airway such as croup, epiglottitis or laryngospasm. (biomedcentral.com)
  • Generally, NPPE occurs when inspiratory effort against an obstruction creates a large intrapulmonary negative pressure which can increase venous return with subsequent increase in the pulmonary capillary hydrostatic pressure. (biomedcentral.com)
  • Normal inspiratory pleural pressure ranges from −5 to −8 cm of H 2 O, but in instances of obstruction, inspiratory pressures can increase to −50 cm of H 2 O and in extreme circumstances have been known to exceed −100 cm of H 2 O [ 3 ]. (biomedcentral.com)
  • Benefits over peripheral access include greater longevity without infection, line security in situ, avoidance of phlebitis, larger lumens, multiple lumens for rapid administration of combinations of drugs, a route for nutritional support, fluid administration, and central venous pressure (CVP) monitoring. (medscape.com)
  • The factors controlling venous return are the central heart pump, the pressure at the end of the capillaries, the right atrial pressure, the peripheral venous tone, the peripheral muscle pump of the leg, the respiratory pump, the gravity, the competent venous valves. (custom-web.ro)
  • When the muscle pump is less active, as in a bedridden subject or during long periods of standing orthostatic postureblood tends to accumulate in the veins, causing an increase in the peripheral venous pressure and a fall in the central venous pressure, with a reduced venous return to the heart and diminished cardiac output. (custom-web.ro)
  • 2) To what extent does backflow reflect such determinants as blood volume, systolic arterial pressure, central venous pressure, cardiac output, peripheral resistance, and blood dilution? (jamanetwork.com)
  • Because the autonomic nervous system maintains internal physiologic homeostasis, disorders of this system can be present with both central as well as peripheral nervous system localization. (medscape.com)
  • Contrast computed tomographic angiogram showing the central venous catheter puncturing through the left internal jugular vein, exiting medially (black arrow). (hkmj.org)
  • 7-10 One involves placing two cannulas - typically either two femoral venous cannulas or one femoral and one internal jugular venous cannula - with one cannula positioned in the right atrium and another in the pulmonary artery. (acc.org)
  • The diminished pulmonary venous return will lead to decreased left ventricular preload with resultant decreased cardiac output and eventual systemic cardiovascular collapse. (medscape.com)
  • Heart failure was excluded on the basis of transthoracic echocardiographic findings of left ventricular dysfunction and/or high central venous pressure (CVP). (rcpe.ac.uk)
  • By stepwise multivariate linear regression, RV free wall strain, left ventricular ejection fraction, RV fractional area change, and central venous pressure were found to be independently associated with RVEF. (thoracickey.com)
  • Normal CVP in patients can be measured from two points of reference:[citation needed] Sternum: 0-14 cm H2O Midaxillary line: 8-15 cm H2O CVP can be measured by connecting the patient's central venous catheter to a special infusion set which is connected to a small diameter water column. (wikipedia.org)
  • In our hospital's state-of-the-art ICU, we have the capability of doing intermittent or continuous central venous pressures to estimate blood volume in our patients. (vcahospitals.com)
  • Fontan Procedure in Patients with Preoperative Mean Pulmonary Artery Pressure Over 15. (authorea.com)
  • Herein, we present our experience in Fontan patients with high preoperative pulmonary artery pressures. (authorea.com)
  • Pulmonary vascular resistance, not only pulmonary artery pressure may help to identify high risk patients before Fontan completion. (authorea.com)
  • Elevated central venous pressure is associated with increased mortality and acute kidney injury in critically ill patients: a meta-analysis. (ehced.org)
  • Sixty-five patients affected by CDMS, and 235 controls composed, respectively, of healthy subjects, healthy subjects older than CDMS patients, patients affected by other neurological diseases and older controls not affected by neurological diseases but scheduled for venography (HAV-C) blindly underwent a combined transcranial and extracranial colour-Doppler high-resolution examination (TCCS-ECD) aimed at detecting at least two of five parameters of anomalous venous outflow. (bmj.com)
  • According to the TCCS-ECD screening, patients and HAV-C further underwent selective venography of the azygous and jugular venous system with venous pressure measurement. (bmj.com)
  • The drainage through the extracranial venous outflow routes has not previously been investigated in MS patients. (bmj.com)
  • We present the results of a study that evaluated the abnormalities of the cerebral venous outflow in patients with MS using ECD-TCCS and selective venography. (bmj.com)
  • Once patients have been hemodynamically stabilized, a timely decision regarding strategy between bridge to recovery and bridge to transplantation is crucial, because prolonged mechanical circulatory support increases the risk for complications, whereas premature withdrawal may jeopardize outcomes, especially when unanticipated failure of the right ventricle occurs. (thoracickey.com)
  • Aux États-Unis, lorsque le séjour en unité des soins intensifs est prolongé, les patients peuvent être transférés vers un CHSLD. (who.int)
  • Dans la pratique, les patients qui ont besoin de soins de longue durée en Turquie sont hospitalisés en unités de soins intensifs. (who.int)
  • Une proportion importante des lits réservés aux unités de soins intensifs en Turquie sont utilisés pour les soins de longue durée aux patients atteints de problèmes complexes. (who.int)
  • Temporary mechanical circulatory support devices for RV failure are an attractive option because the RV function often improves sufficiently in a short period of time to allow for device removal. (acc.org)
  • Their primary goal was to determine whether pEEG-guided anesthesia would be associated with reduced hemodynamic instability during cardiopulmonary bypass (CPB) separation, measured by stratifying the operation into three categories: "easy" (use of only one vasoactive or one inotropic agent), "difficult" (use of at least two different classes of agents), or "complex" (requiring a return to CPB or use of mechanical circulatory support). (aithority.com)
  • Methods Thirteen children having undergone operation for complicated congenital heart disease and 1 child with fulminant myocarditis received mechanical circulatory support due to refractory heart failure. (shsmu.edu.cn)
  • Results The mean time of mechanical circulatory support was (147±152) h in ECMO group and LVAD group. (shsmu.edu.cn)
  • Conclusion Mechanical circulatory support plays an effective role in the treatment of children having undergone operation for refractory heart failure. (shsmu.edu.cn)
  • Bleeding is the severe complication in mechanical circulatory support. (shsmu.edu.cn)
  • Furthermore measurements of central (thoracic) venous and arterial pressures were also made in order to calculate the theoretical CPP. (lu.se)
  • Traumatic Pneumothorax may result from insertion of a central venous line, thoracic surgery, or a penetrating chest injury, such as a gunshot or knife wound, or it may follow a transbronchial biopsy. (lifenurses.com)
  • Currently, ultrasound guidance by experienced operators is recommended for reducing the risk of mechanical complications during central venous catheter (CVC) insertion. (hkmj.org)
  • Chest radiograph after central venous catheter insertion showing an abnormal vertical course of the catheter with suspected malposition. (hkmj.org)
  • We are describing a case of massive hydrothorax that developed after the insertion of a subclavian catheter and administering fluids through the line requiring immediate intercostal tube insertion and mechanical ventillation. (biomedcentral.com)
  • The location of venous obstructions plays a key role in determining the clinical course of the disease. (bmj.com)
  • The major diagnostic criteria for sepsis are altered mental status , increased respiratory rate, and low blood pressure . (medicinenet.com)
  • In contrast, MR and selective injection venography are of course limited in evaluating cerebral venous haemodynamics under different postural and respiratory conditions. (bmj.com)
  • Other known mechanical complications include haematoma formation, haemothorax, and pneumothorax. (hkmj.org)
  • This case concurs with a previous report that the incidence of mechanical complications after multiple attempts is higher than after one attempt. (hkmj.org)
  • Of these complications is the false positioning of the central venous catheter and subsequent development of pleural effusion. (biomedcentral.com)
  • The main outcome measure was major mechanical complications defined as major bleeding, severe cardiac. (lu.se)
  • 2 test were used to investigate differences in distribution of major mechanical complications and predefined variables between male and female operators. (lu.se)
  • Multivariable logistic regression analysis was used to determine association between operator gender and major mechanical complications. (lu.se)
  • Despite being less experienced, female operators had a lower rate of major mechanical complications. (lu.se)
  • Furthermore, male operator gender was independently associated with a higher risk of major mechanical complications. (lu.se)
  • Ultrasound for Localization of Central Venous Catheter: A Good Alternative to Chest X-Ray? (magiran.com)
  • Background: Mechanical chest compressions (CCs) have been shown capable of maintaining circulation in humans suffering cardiac arrest for extensive periods of time. (lu.se)
  • After one minute, mechanical chest compressions were initiated and then maintained for 10 minutes upon which the pigs were defibrillated. (lu.se)
  • Results: Average peak coronary flow velocity was significantly higher compared to baseline during mechanical chests compressions and this was observed during the entire period of mechanical chest compressions (12 - 39% above baseline). (lu.se)
  • The APV slowly declined during the 10 min period of mechanical chest compressions, but was still higher than baseline at the end of mechanical chest compressions. (lu.se)
  • Conclusion: Our study showed good correlation between CPP and APV which was highly significant, during cardiac arrest with on-going mechanical CCs in a closed chest porcine model. (lu.se)
  • 10500 ='Chest pain and related symptoms' 10501 ='Chest pain' 10502 ='Chest discomfort, pressure, tightness' 10503 ='Burning sensation in the chest' 10550 ='Pain, specified site not referable to. (cdc.gov)
  • this provides a picture of chronic cerebrospinal venous insufficiency (CCSVI) with four different patterns of distribution of stenosis and substitute circle. (bmj.com)
  • Rapid entry or large volumes of air entering the systemic venous circulation puts a substantial strain on the right ventricle, especially if this results in a significant rise in pulmonary artery (PA) pressures. (medscape.com)
  • In the C group, tidal volume (VT) will be set at 8 ml/kg of predicted body weight, but positive end-expiratory pressure (PEEP) and recruitment maneuvers will not be used. (researchsquare.com)
  • This site is likely among the safest approaches for central venous access. (medscape.com)
  • The extracranial venous outflow routes in clinically defined multiple sclerosis (CDMS) have not previously been investigated. (bmj.com)
  • Posture and the mechanic movement of respiration play a fundamental role in ensuring the correct cerebrospinal venous outflow. (bmj.com)
  • Central venous pressure (CVP) is the blood pressure in the venae cavae, near the right atrium of the heart. (wikipedia.org)
  • Mechanical CCs can, at minimum, re-establish coronary blood flow in non-diseased coronary arteries during cardiac arrest. (lu.se)
  • Venous stasis disease, Vol. The veins have many special functions: transport, blood reservoir, circulatory homeostasis. (custom-web.ro)
  • Venous return from the venous stasis disease extremity is achieved by expulsion of the blood by the lower extremity muscle pump and valve function that divides the hydrostatic column of blood into segments and prevents retrograde venous flow. (custom-web.ro)
  • After getting little backflow of blood which was dark and nonpulsatile, ensuring a venous position of the needle, An 0.035" guidewire was then introduced afterwhich a dilator was advanced for 5 cm without apparent resitance. (biomedcentral.com)
  • Administer vasoactive medications to support blood pressure and maintain organ blood flow. (umms.org)
  • When the patient arrives in the ICU, the arterial blood pressure is 88/52 mm Hg (mean arterial pressure, 64 mm Hg), the heart rate is 120 beats per minute in sinus rhythm, and the central venous pressure is 6 mm Hg. (topgradeapp.com)
  • The arterial blood pressure is now 85/50 mm Hg (mean arterial pressure, 62 mm Hg), the heart rate is 105 beats per minute in sinus rhythm, the central venous pressure is 9 mm Hg, the capillary refill time is estimated at 1 second, and the measured urine output for the past hour is 35 ml. (topgradeapp.com)
  • Although IV fluid can increase cardiac output and blood pressure, maintain or increase intravascular fluid volume, and deliver medications, too much fluid or the wrong type of fluid may cause harm. (medscape.com)
  • For example, untreated OSAS predisposes to an increased risk of new hypertension, and treatment of OSAS lowers blood pressure, even during the daytime. (legalvenoms.com)
  • ADVANCED DIAGNOSTICS: Blood Gas Analysis - The sampling of venous or arterial blood in order to obtain information regarding a patient's acid base status. (animalmedicalspecialists.com)
  • Orthostatic headache, low cerebrospinal fluid opening pressure, and diffuse meningeal enhancement on post-contrast T1-weighted MRI brain studies are the major features of this increasingly recognised syndrome. (cftrpathway.com)
  • CVP can be measured by connecting the patient's central venous catheter to a special infusion set which is connected to a small diameter water column. (ipfs.io)
  • To improve cardiac performance and restore perfusion pressure in CS, inotropes and vasopressors should be used at the lowest possible dose for the shortest duration necessary. (esicm.org)
  • In addition, vasopressors are often used to maintain coronary perfusion pressure. (acc.org)
  • Consider other reasons for catheter dysfunction, such as catheter malposition, mechanical failure, constriction by a suture, and lipid deposits or drug precipitates within the lumen, before treatment with alteplase. (pdr.net)
  • Hypoglycemia Hypoglycemia, or low plasma glucose level can result in sympathetic nervous system stimulation and central nervous system dysfunction. (msdmanuals.com)
  • Central nervous system (CNS) dysfunction, ranging from confusion or bizarre behavior to delirium, seizures, and coma, is the hallmark of heatstroke. (msdmanuals.com)
  • Venous air embolism (VAE), a subset of gas embolism, is an entity with the potential for severe morbidity and mortality. (medscape.com)
  • Treatment is conservative for spontaneous pneumothorax in which no signs of increased pleural pressure appear (indicating tension Pneumothorax), lung collapse is less than 30%, and the patient shows no signs of Dyspnea or other indications of physiologic compromise. (lifenurses.com)
  • CDMS is strongly associated with CCSVI, a scenario that has not previously been described, characterised by abnormal venous haemodynamics determined by extracranial multiple venous strictures of unknown origin. (bmj.com)
  • Spontaneous and mechanical ventilations were studied during separate experiments. (avma.org)
  • Finally, the pressure gradient measured across the venous stenosies was slightly but significantly higher. (bmj.com)
  • Placement of a central venous catheter (CVC) is a common procedure, and house staff require substantial training and supervision to become facile with this technique. (medscape.com)
  • Background: Several factors affect the long-term outcome of Fontan procedure, but a high pulmonary artery pressure is still one of the most important limitation for proceeding to a Fontan circulation. (authorea.com)
  • In dogs given romifidine at a dose of 25, 50, or 100 µg/kg, an initial increase followed by a prolonged decrease in arterial pressure was observed. (avma.org)
  • CT venography showing bilateral deep venous thrombosis. (medscape.com)
  • Arrows indicate bilateral deep venous thrombosis. (medscape.com)
  • 1 2 MR venography 3 - 6 and postmortem studies 7 have demonstrated a topographic correspondence between MS plaques and cerebral venous system. (bmj.com)