Plethysmography variability index: a new fluid responsiveness parameter
نویسندگان
چکیده
منابع مشابه
Pleth Variability Index predicts fluid responsiveness in critically ill patients
OBJECTIVE To investigate whether the pleth variability index, a noninvasive and continuous tool, can predict fluid responsiveness in mechanically ventilated patients with circulatory insufficiency. DESIGN Prospective study. SETTING Surgical intensive care unit of a university hospital. PATIENTS Forty mechanically ventilated patients with circulatory insufficiency in whom volume expansion ...
متن کاملAccuracy of the pleth variability index to predict fluid responsiveness depends on the perfusion index.
BACKGROUND Respiratory variations in plethysmographic waveform amplitudes derived from pulse oximetry are believed to predict fluid responsiveness. The non-invasive pleth variability index (PVI) is a variable based on the calculation of changes in the perfusion index (PI). The aim of the following study was to examine whether the predictive power of PVI depends on different values of PI. METH...
متن کاملPleth variability index is a weak predictor of fluid responsiveness in patients receiving norepinephrine.
BACKGROUND In patients receiving an infusion of norepinephrine, the relationship between the amplitude of the oximeter plethysmographic waveform and stroke volume may be variable and quality of the waveform might be reduced, compared with patients not receiving norepinephrine. We assessed the reliability of the pleth variability index (PVI), an automatic measurement of the respiratory variation...
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Most critically ill patients in intensive care units (ICU) require fluid administration for volume expansion at some point during their hospital stay.(1) In most cases, initial volume expansion does not require more sophisticated or invasive measures. Clinical history data and clinical signs of low flow may suggest the likelihood of a response to the initial fluid infusion. As suggested by Vinc...
متن کاملRespiratory Variation in Pulse Oximetry: A Simple Fluid Responsiveness Parameter
Respiratory variation in arterial pulse pressure (ΔPP) has been shown to be the most accurate predictor of fluid responsiveness in mechanically ventilated patients, with a predictive cutoff value of 13%. However, this dynamic parameter is invasive and not widely available. The pulse oximetry plethysmographic (POP) signal resembles the arterial pressure waveform in both shape and amplitude varia...
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ژورنال
عنوان ژورنال: Critical Care
سال: 2009
ISSN: 1364-8535
DOI: 10.1186/cc7369