Should pulse pressure variation be indexed to tidal volume?
نویسندگان
چکیده
منابع مشابه
Use of ‘tidal volume challenge’ to improve the reliability of pulse pressure variation
This article is one of ten reviews selected from the Annual Update in Intensive Care and Emergency Medicine 2017. Other selected articles can be found online at http://ccforum.com/series/annualupdate2017 . Further information about the Annual Update in Intensive Care and Emergency Medicine is available from http://www.springer.com/series/8901 .
متن کاملInfluence of tidal volume on pulse pressure variation and stroke volume variation during experimental intra-abdominal hypertension
BACKGROUND Pulse pressure variation (PPV) and stroke volume variation (SVV) are frequently used to assess fluid responsiveness in critically ill patients on mechanical ventilation (MV). There are many factors, in addition to preload that influence the magnitude of these cyclic variations. We sought to investigate the effect of tidal volume (V(T)) on PPV and SVV, and prediction of fluid responsi...
متن کاملPulse pressure variation shows a direct linear correlation with tidal volume in anesthetized healthy patients
BACKGROUND The settings of mechanical ventilation, like tidal volume (VT), occasionally need to be adjusted in the process of anesthesia for some special reasons. The aim of this study was therefore to assess the relationship between pulse pressure variations (PPVs) in different settings of VT in anesthetized healthy patients under mechanical ventilation. METHODS Sixty nine ASA I-II patients ...
متن کاملPulse pressure variation, stroke volume variation and dynamic arterial elastance
Which means that SVV (%) ≈ pulse pressure variation (PPV; %) for FloTracTM. With the present mathematical equation, it can be demonstrated that the SVV calculated by FloTracTM (SVVFT) is not infl uenced by Khi, which means that SVVFT calculation does not include eff ective arterial elastance (Ea). Th e originality of Garcia and colleagues’ fi nding is that they realized that when measuring PPV ...
متن کاملPulse pressure variation and stroke volume variation during increased intra-abdominal pressure: an experimental study
INTRODUCTION The aim of this study was to evaluate dynamic indices of fluid responsiveness in a model of intra-abdominal hypertension. METHODS Nine mechanically-ventilated pigs underwent increased intra-abdominal pressure (IAP) by abdominal banding up to 30 mmHg and then fluid loading (FL) at this IAP. The same protocol was carried out in the same animals made hypovolemic by blood withdrawal....
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ژورنال
عنوان ژورنال: Critical Care
سال: 2009
ISSN: 1364-8535
DOI: 10.1186/cc7377