central venous pressure

We sought to investigate the relationship between increased central venous pressure (CVP), renal function, and mortality in a broad spectrum of cardiovascular patients.

..emergency department (ED) patients undergoing central venous catheterization, we determine whether a greater than or equal to 50% decrease in inferior vena cava diameter is associated with a central venous pressure of less than 8 mm Hg.

..Gp CON, n=29), and two groups receiving additional repeated colloid fluid challenges guided by central venous pressure (Gp CVP, n=31) or oesophageal Doppler ultrasonography (Gp DOP, n=30)...

..The feasibility of monitoring measured intravascular volumes and the cardiac filling pressures were compared to reflect the optimal volume status of postoperative patients...

..We assessed the influence of PLR-induced changes in preload on the performance of PLR-induced change in pulse pressure (Delta(PLR)PP) and cardiac output (Delta(PLR)CO) for fluid responsiveness prediction...

..Hypovolemia, defined as central venous pressure (CVP) <10 mmHg and pulmonary capillary wedge pressure (PCWP) <12 mmHg, was treated by infusion of 6%..

..We set out to determine the effect of posture and central venous pressure (CVP) on the distribution of cerebral outflow over the internal jugular veins and the vertebral plexus, ..

..Inhalation of nitric oxide resulted in reduction of central venous pressure (CVP) and precipitous fall in ICP, which was otherwise resistant to conventional therapy...

..The author, date and country of publication, patient group studied, study type, relevant outcomes, results and study weaknesses of these best papers are tabulated. A clinical bottom line is stated...

OBJECTIVE: Pulmonary artery occlusion pressure and central venous pressure have been considered to be reliable measures of left and right ventricular preload in patients requiring invasive hemodynamic monitoring...

..The aim of the study was to compare VS and CAS in the value of cardiac filling pressures and volumes herein...

..This risk may be increased with positive pressure carbon dioxide (CO(2)) pneumoperitoneum (PP). This may be exacerbated further when low central venous pressure (CVP) anesthesia is used to minimize hemorrhage during liver resection.

..no comparison has been made between FTc, plasma B-type natriuretic peptide concentration (BNP) or central venous pressure. The aim of this preliminary study was to compare FTc, BNP and central venous pressure as predictors of ..

To determine the relationship between central venous pressure (CVP) and renal function in patients with acute heart failure (AHF) presenting to the emergency department.

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..Our study aims at assessing the effects of different levels of CVP in relation to type of vascular control on perioperative blood loss and patient outcome...

To determine whether central venous pressure and fluid balance after resuscitation for septic shock are associated with mortality.

..The aim of this study was to evaluate the effect of post-operative GDT on the incidence of complications and duration of hospital stay in patients undergoing general surgery...

..PACs), and peripherally inserted central venous catheters (PICCs) have been reported to measure central venous pressure (CVP) accurately...

Values of central venous pressure of 8-12 mm Hg and of pulmonary artery occlusion pressure of 12-15 mm Hg have been proposed as volume resuscitation targets in recent international guidelines on management of severe sepsis...

We tested whether central venous pressure (CVP) changes during vasoactive drug injections used for baroreflex assessment in humans...

b>Central venous pressure (CVP) is commonly measured, but its clinical use is still not clear. We argue that the interpretation of the CVP needs to be considered in conjunction with an assessment of cardiac output...

..The purpose of this study was to compare central venous pressure (CVP) monitoring with a noninvasive measure of cardiac preload (esophageal Doppler) during LDN.

..MEASUREMENTS AND MAIN RESULTS: Stroke volume variation, central venous pressure, pulmonary artery occlusion pressure (PAOP), and left ventricular end-diastolic area index (LVEDAI) were ..

..LEARNING OBJECTIVES: On completion of this article, the reader should be able to: 1. Explain the signs of hypovolemia. 2. Describe how to administer a fluid challenge. 3. Use this information in a clinical setting...

..We assessed whether using intraoperative oesophageal Doppler guided fluid management to minimize hypovolaemia would reduce postoperative hospital stay and the time before return of gut function after colorectal surgery...

..volume (RVEDV) and intrathoracic blood volume (ITBV) represent cardiac preload and are superior to central venous pressure (CVP) or pulmonary capillary wedge pressure (PCWP)...

..EP) performance of echocardiography in the assessment of left ventricular ejection fraction (LVEF) and central venous pressure (CVP)...

..liver transplantations by changing their anesthesia practice, more specifically by maintaining a low central venous pressure (CVP), through restriction of volume replacement, elimination of all plasma transfusion and by using ..

..in transoesophageal echo-derived aortic blood velocity (deltaVpeak), intrathoracic blood volume index, central venous pressure and pulmonary capillary wedge pressure to predict the response of stroke volume index to volume ..

To investigate the effects of intra-abdominal hypertension on esophageal and central venous pressure considering values obtained at end-expiration (i.e., in static conditions) and during tidal volume delivery (i.e., in dynamic conditions).

..b>Central venous pressure (C.V.P.) measurements indicated that most victims of heat stroke had normal C.V.P...

Bleeding from the hepatic vein is closely related to central venous pressure (CVP). To evaluate the effect of low central venous pressure during a hepatectomy, the infrahepatic inferior vena cava (IVC) was half clamped.

The intrathoracic blood volume index (ITBVI) and central venous pressure (CVP) are routinely used to predict fluid responsiveness in critically ill patients with acute circulatory failure (systolic blood pressure < 90 mm Hg or ..

This article describes a simple, new technique using ultrasound (US) to estimate central venous pressure (CVP). The sonographic patterns of the internal jugular vein (IJV) with a low, normal, and elevated CVP are also described...

To assess the relationship between central venous pressure values and bioelectrical impedance vector analysis (BIVA), which may be used as complementary methods in the bedside monitoring of fluid status.

..The aim of this study was to examine fetal venous blood velocity in relationship to pressure gradient across the DV during hypoxia in a fetal lamb preparation...

..Measurement of right atria, right ventricular, global end diastolic and intrathoracic blood volume index by arterial thermal dye dilution utilizing the COLD-system may represent an alternative...

The proper use of central venous pressure requires a good understanding of basic measurement techniques and features of the waveform.

..Bleeding from the outflow system is closely related to central venous pressure (CVP)...

..Several studies suggest that intrathoracic blood volume index (ITBI) might be superior to central venous pressure (CVP) with regard to preload assessment...

OBJECTIVE: To determine the degree of agreement between central venous pressure (CVP) and peripheral venous pressure (PVP) in surgical patients. DESIGN: Prospective study. SETTING: University hospital...

..There is growing interest in the use of peripheral venous sites for estimating central venous pressure (CVP)...

b>Central venous pressure (CVP) is used almost universally to guide fluid therapy in hospitalized patients. Both historical and recent data suggest that this approach may be flawed.

Previous studies in adults have demonstrated a clinically useful correlation between central venous pressure (CVP) measured from a peripheral intravenous catheter and that measured from a central venous catheter...

..Our hypothesis was that stroke volume variation during mechanical ventilation of the lungs would allow accurate prediction and monitoring of changes in cardiac index in response to fluid loading in patients with severe sepsis...

b>Central venous pressure is a very common clinical measurement, but it is frequently misunderstood and misused. As with all hemodynamic measurements, it is important to understand its basic principles.

OBJECTIVE: To review the clinical use of central venous pressure measurements. DATA SOURCES: The Medline database, biographies of selected articles, and the author's personal database...

BACKGROUND: Central venous pressure (CVP) provides important information for the management of critically ill patients...

STUDY OBJECTIVE: To assess the reliability of peripheral venous pressure (PVP) as a predictor of central venous pressure (CVP) in the setting of rapidly fluctuating hemodynamics during orthotopic liver transplant surgery...

..To assess the value of the global end-diastolic volume (GEDV) evaluated by transpulmonary thermodilution as an indicator of cardiac preload...

..In addition, other measures of fluid status were assessed...

..Our primary aim was to investigate how the interaction changes during sternotomy by evaluating pulse pressure variations (PPV) with the chest closed and after sternotomy in patients ventilated using the pressure-controlled mode...

..To compare the effects of different doses of hemofiltration on severe acute pancreatitis (SAP) in pigs...

..Haemodynamic driven early goal directed therapy are largely awaited in this field of medicine...

..The purpose of this study was to assess whether lowering of the mean arterial pressure and/or the central venous pressure could reduce fluid extravasation during normothermic and hypothermic CPB...

..ability of FTc to predict fluid responsiveness and compared this with the abilities of other preload indices, such as pulse pressure variation (PPV), central venous pressure (CVP), and left ventricular end-diastolic area index (LVEDAI).

..Neither a clinical approach alone nor conventional parameters like central venous pressure (CVP) and pulmonary capillary wedge pressure (PCWP) are thought to be sufficient for recognizing fluid ..

..This article focuses on methods for insertion and basic troubleshooting of a pulmonary artery catheter...

..However, to be used effectively its applications and limitations need to be defined and its values applied within the context of proven therapeutic approaches...

..We prospectively investigated the incidence and the amount of transient cerebral artery blood flow reversal during balloon pumping in patients recovering from cardiac surgery...

..Landiolol hydrochloride did not affect both systemic and pulmonary vascular resistances because of high cardioselectivity...

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..Central venous saturation (S(cv)O(2)) was measured as an indicator of tissue perfusion...

..However, acute metabolic acidosis impaired myocardial contractility during the isovolumic phase and relaxation during the isovolumic and early filling phases of the cardiac cycle...

..Intraoperative assessment of the needed infusion volume is difficult because of a lack of data regarding the volume status in these patients...

..Like arterial pressure waveforms, CVP waveform morphology can provide important information about clinical pathophysiology...

..g., compensatory responses due to autonomic controls...

..All the subjects received standardized care; arterial pressure was monitored through radial artery, central venous pressure through a triple lumen in the right internal jugular vein, electrocardiogram, oxygen saturation, ..

..It is suggested that, in supine humans and guided by Svo2, normovolaemia may be established to an accuracy of approximately 100 mL and that its adequacy is controlled by recording cerebral oxygenation...

..with pre-HDBR, mean arterial blood pressure was elevated at 0, -10, and -20 mmHg and reduced at -40 mmHg, central venous pressure (CVP) and cardiac stroke volume were reduced at all levels of LBNP...

We have determined the gain of the cardiopulmonary baroreflex (CPBR) by measuring the central venous pressure (CVP) by venous catheter and calculating the total peripheral resistance (TPR) from mean arterial pressure (MAP) by Finometer ..

..Pulmonary artery wedge pressure and central venous pressure responded to IV fluid with an increase that correlated with accompanying plasma dilution...

..72, p <0.001). CONCLUSION: NOVALUNG iLA can provide near total CO2 removal with Qb 1-2 L/min, Qg 5 L/min, and minimal flow resistance (3.88+/-0.82 mmHg/L/min). PaCO2 correlates with CO2 removal and is dependent on Qb and Qg...

..In this study, we examined the respiratory and circulatory effects of S-LRM during hypovolemia with compromised circulation...

..The current clinical data relevant to hemodynamic monitoring are reviewed and discussed...

..We hypothesized that dexmedetomidine, a central alpha2-agonist and otherwise potentially ideal postoperative sedative drug, may induce vasoconstriction in denervated flaps, and thus increase the risk of tissue deterioration...

..In addition, intermedin/adrenomedullin-2 did not have any effect on blood volume in both intact and ganglion-blocked rats. The results show that intermedin/adrenomedullin-2 is a dilator of arterial resistance and capacitance vessels...

..To investigate respiratory and hemodynamic changes during lung recruitment and descending optimal positive end-expiratory pressure (PEEP) titration...

..Haemodilution has also been shown to improve tissue oxygen tension in skeletal muscle: However, effects of this volume substitute on tissue oxygen tension of the liver during haemodilution remains unknown...

..compared with conventional transpulmonary arterial dye dilution ITBVI and with conventional monitoring (central venous pressure [CVP] and left ventricular end-diastolic area index [EDAI] by transesophageal echocardiography)...

..The deteriorating baseline MABP during VP is associated with the pressurization of the vertebral bodies rather than with the use of polymethylmethacrylate...

..An experimental study of cardiovascular complications arising during vertebroplasty (VP) of multiple levels...

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..Nevertheless, the spectrum of hemodynamic derangements that can arise during intensive care unit stay is very large and often additional information, beside the vital signs, are needed to evaluate correctly the individual patient...

..fall in blood pressure and blood oxygenation was observed, paralleled by an increase in heart rate and central venous pressure. Although a slight increase in pulmonary vascular resistance could not be excluded, the reaction was ..

..4 vs. 21+/-1.3 mm Hg), pulmonary arterial wedge pressure (14.1+/-1.8 vs. 14.0+/-1.2 mm Hg), and central venous pressure (7+/-1.6 vs. 8+/-0.9 mm Hg). At 48 hours, AVCO2R allowed significant reductions (p<0...

This study tested the hypotheses that differences in the adrenergic, central venous pressure (CVP), cardiovascular, or baroreflex responses to lower body negative pressure (LBNP) or differences in body size would be associated with ..

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..In conclusion, the hypothesis was not confirmed because the cardiac atria were similarly distended by acute HDT and WI and the release of vasoconstrictor hormones were suppressed to the same extent...

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..insufflation of the intrathoracic space on cardiac output (CO), heart rate (HR), arterial pressure (AP), central venous pressure (CVP), and percent saturation of hemoglobin with oxygen (SPO2) in anesthetized dogs...

..A decreased preload may contribute to this phenomenon. The aim was to investigate whether a change in cardiac filling occurs following the induction of general anaesthesia with sufentanil under typical clinical conditions...

..02). There was no difference in systemic vascular resistance or central venous pressure. Serum lactate levels were lower at 1 h after reperfusion in MB patients, suggesting better tissue ..

..In contrast, tachycardia was the only major response to intravenous urotensin II. These findings suggest that urotensin II is a novel stimulator of central pathways that mediate responses to alerting stimuli or stress...

..Intermittent NO inhalation combined with IV dipyridamole decreases pulmonary artery pressure for a prolonged period of time and reduces exposure to NO...

..IMPLICATIONS: During early mobilization after aortic valve replacement, a marked and consistent reduction in mixed venous oxygen saturation to 35% and mixed venous oxygen partial pressure to 3 kPa was observed...

..pressure (DAP), mean pulmonary arterial pressure (MPAP), pulmonary capillary wedge pressure (PCWP), central venous pressure (CVP), core body temperature, and cardiac output (CO) were measured 0, 5, 10, 15, 30, 45, and 60 minutes ..

..v. vasopressin 5 U reversed the vasodilation and reestablished normal blood pressure. CONCLUSION: Vasopressin, in association with alpha-agonists, can reverse acute refractory distributive shock following aprotinin administration...

..When interstitial pressure exceeds central venous pressure, lymphatic vessels can act as conduit vessels, passively transporting lymph down a pressure gradient...

..with atrio-ventricular (AV) block and instrumented for cardiac pacing and measurement of ABP, CO, and central venous pressure (CVP)...

..During phase 1 and 2, arterial pressure, central venous pressure and muscle sympathetic nerve activity using microneurography will be recorded during sinus rhythm, atrial ..

..real time continuous physiologic monitoring parameters (i.e. temperature, heart rate, blood pressure, central venous pressure, pulsed oximetry, and end tidal carbon dioxide concentrations); b...

..improvements in post-TCPC hemodynamics achieved by treating congenital abnormalities associated with the ascending aorta; (vi) determine the feasibility of reducing post-TCPC central venous pressure using a pressure regulator/pump.

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..Furthermore, formal research presentations by the trainees will be given biannually to the local research community. ..

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..We will also assess the ability of clinically available 5-HT1A agonists to delay the transition from hypovolemic shock to circulatory collapse. ..

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..Our studies will attempt to validate a new, promising therapy that may help patients recover from circulatory shock without further injuring tissue during the resuscitation process. ..

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..AIM V: The ability of the muscle chemoreflex to raise cardiac filling pressure will be assessed. ..

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..The timeline of the study is three years. ..

..Our research is being carried out to better understand how patients and bacteria interact and to look for new strategies for protecting and treating patients with serious bloodstream infections. ..

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..The proposed work is significant because it is expected to increase our understanding of the mechanisms underlying the pathogenesis of cardiovascular disease in this high stress occupation. ..