Peripheral venous pressure as a measure of venous compliance during pheochromocytoma resection |
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Authors: | Weingarten Toby N Sprung Juraj Munis James R |
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Institution: | Department of Anesthesiology, Mayo Clinic College of Medicine, Mayo Clinic, 200 First St., SW, Rochester, MN 55905, USA. |
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Abstract: | Venous pressures measured from peripheral venous catheters (PVP) closely estimate the central venous pressure (CVP) in surgical and critically ill patients. CVP is often used to estimate intravascular volume; however, fluctuations of CVP may also be induced by changes in venous tone caused by alpha-adrenergic catecholamine stimulation. We simultaneously monitored PVP, CVP, and mean arterial blood pressure during resection of pheochromocytoma in a 63-yr-old woman and found excellent correlation between the three pressure variables, suggesting that fluctuations of PVP reflect overall changes in vascular tone. |
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