tailieunhanh - Báo cáo khoa học: "Pulse oximeter as a sensor of fluid responsiveness: do we have our finger on the best solution"

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: Pulse oximeter as a sensor of fluid responsiveness: do we have our finger on the best solution? | Available online http content 9 5 429 Commentary Pulse oximeter as a sensor of fluid responsiveness do we have our finger on the best solution Xavier Monnet1 Bouchra Lamia1 and Jean-Louis Teboul2 Assistant Professor Service de Réanimation Médicale Centre Hospitalier Universitaire de Bicêtre Assistance Publique - Hôpitaux de Paris Le Kremlin-Bicêtre France 2Professor Service de Réanimation Médicale Centre Hospitalier Universitaire de Bicêtre Assistance Publique - Hôpitaux de Paris Le Kremlin-Bicêtre France Corresponding author Jean-Louis Teboul Published online 28 September 2005 This article is online at http content 9 5 429 2005 BioMed Central Ltd Critical Care 2005 9 429-430 DOI cc3876 See related research by Cannesson et al. in this issue http content 9 5 R562 Abstract The pulse oximetry plethysmographic signal resembles the peripheral arterial pressure waveform and the degree of respiratory variation in the pulse oximetry wave is close to the degree of respiratory arterial pulse pressure variation. Thus it is tempting to speculate that pulse oximetry can be used to assess preload responsiveness in mechanically ventilated patients. In this commentary we briefly review the complex meaning of the pulse oximetry plethysmographic signal and highlight the advantages limitations and pitfalls of the pulse oximetry method. Future studies including volume challenge must be performed to test whether the pulse oximetry waveform can really serve as a nonivasive tool for the guidance of fluid therapy in patients receiving mechanical ventilation in intensive care units and in operating rooms. Introduction Prediction of volume responsiveness is an important issue in critically ill patients because clinicians must find the best compromise between central blood volume depletion and volume overloading . two opposing conditions potentially associated with poor outcome . There is now much evidence that .