Comparing Pleth variability index (PVI) variation induced by passive leg raising and Trendelenburg position in healthy volunteers

Hypovolemia, which is the main cause of circulatory failure in emergency medical settings, can often be managed by volume expansion [1]. However, the fluid responsiveness (FR) varies between the patients, and volume status of the patient can be evaluated by some predictors. Studies have demonstrated that static hemodynamic measurements (e.g., central venous pressure, mean arterial pressure) were of little value in discriminating between the patients who will or will not respond to volume expansion, and dynamic indices (e.g., arterial pressure wave form, stroke volume) were more accurate in evaluating volume status [1].
Source: The American Journal of Emergency Medicine - Category: Emergency Medicine Authors: Source Type: research