tailieunhanh - Báo cáo khoa học: "Relation between respiratory variations in pulse oximetry plethysmographic waveform amplitude and arterial pulse pressure in ventilated patients"

Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Critical Care giúp cho các bạn có thêm kiến thức về ngành y học đề tài: Relation between respiratory variations in pulse oximetry plethysmographic waveform amplitude and arterial pulse pressure in ventilated patients. | Available online http content 9 5 R562 Research Relation between respiratory variations in pulse oximetry plethysmographic waveform amplitude and arterial pulse pressure in ventilated patients Maxime Cannesson1 Cyril Besnard2 Pierre G Durand1 Julien Bohé3 and Didier Jacques3 Anesthesiology and Critical Care Fellow Service de Réanimation Médicale Centre Hospitalier Lyon Sud Pierre Bénite France 2Intensivist Service de Réanimation Médicale Centre Hospitalier Lyon Sud Pierre Bénite France 3Intensivist Service de Réanimation Médicale Centre Hospitalier Lyon Sud Pierre Bénite France Corresponding author Maxime Cannesson maxime_cannesson@ Received 30 Jun 2005 Accepted 29 Jul 2005 Published 23 Aug 2005 Critical Care 2005 9 R562-R568 DOI 86 cc3799 This article is online at http content 9 5 R562 2005 Cannesson et al. licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons AttributionLicense http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Open Access Abstract Introduction Respiratory variation in arterial pulse pressure is a reliable predictor of fluid responsiveness in mechanically ventilated patients with circulatory failure. The main limitation of this method is that it requires an invasive arterial catheter. Both arterial and pulse oximetry plethysmographic waveforms depend on stroke volume. We conducted a prospective study to evaluate the relationship between respiratory variation in arterial pulse pressure and respiratory variation in pulse oximetry plethysmographic POP waveform amplitude. Method This prospective clinical investigation was conducted in 22 mechanically ventilated patients. Respiratory variation in arterial pulse pressure and respiratory variation in POP waveform amplitude were recorded simultaneously in a beat-to-beat evaluation and were compared

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