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世界核心医学期刊文摘（儿科学分册） 2006年第5期2卷 55-57页

作者： bernet-buettiker v. Ugarte M.J. Frey B. 刘莉 Department of Neonatology and Intensiv. Care University Children's Hospital Steinwiesstrasse 75 CH-8032 Zurich Switzerland

Objectiv.. Arterial oxygen saturation (SaO2) and arterial carbon dioxide partial pressure (PaCO2) are 2 of the most important respiratory parameters in the treatment of critically ill neonates. Noninv.siv. monitoring of these parameters is desirable for continuous estimating of the respiratory status and reducing blood loss because of repeated blood gas analyses. Transcutaneous measurement of PCO2 (PtcCO2) represents a simple and noninv.siv. technique for continuous monitoring of v.ntilation. Howev.r, sensor preparation, positioning, taping, and repeated changes of the sensor location make the handling difficult and complicate its use in the neonatal care unit. Recently, a new sensor for combined assessment o f pulse oximetry oxygen saturation (SpO2) and PtcCO2 has been introduced (TOSCA Monitor; Linde Medical Sensors, Basel, Switzerland). The monitor combines pulse oximetry and PtcCO2 measurement in a single ear sensor, which works at 42°C to enhance blood flow in capillaries below the sensor. Methods. In a prospectiv., open, nonrandomized study of 60 ill neonates, the new ear sensor for combined assessment of SpO2 and PtcCO2 at 42°C was tested. The sensor was adapted to the ear of a neonate with a v.rihesiv. layer (Conv. Tec; Princeton, NJ). Data obtained from the ear sensor were compared with SpO2 Finger/Heel, SaO2, and PaCO2 obtained from arterial blood gas in 30 patients and with a capillary blood gas in an additional 30 patients using Bland Altman bias analysis. Data are presented as median (range). Results. The postconceptional age of the patients was 38.3 weeks (range: 28 5/7-40 5/7) in the arterial group and 37.9 weeks (range: 29 6/7-41 0/7) in the capillary group. Age of the newborns studied was 3.5 days (range: 1-28) in the arterial blood sample group (n = 30) and 6 days (range: 2-28) in the capillary blood sample group (n = 30). Patient weight was 3.02 kg (range: 1.5-4.5) in the arterial group and 2.76 kg (range: 1.0-3.71) in the other group. Three patie

关键词：危重新生儿脉搏氧饱和度传感器 PCO2 同时监测经皮动脉二氧化碳分压动脉血氧饱和度耳部新生儿监护室

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