Preoperative examination and intraoperative arterial oxygen tension during pulmonary surgery [PREOPERATIEWE SPESIALE ONDERSOEKE EN INTRAOPERATIEWE ARTERIELE SUURSTOFSPANNING TYDENS EENLONGNARKOSE]
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The value of preoperative lung function tests was examined in 11 patients as a method to predict changes in intraoperative PaO2 (dPaO2) during one-lung ventilation in pulmonary surgery. Ventilation (Kr-81m and Xe-133) and perfusion (Tc-99m microspheres) to the lung to be operated upon significantly predicted the intra-operative decrease in PaO2. The correlation between ventilation percentage to the diseased lung and dPaO2 was 0,87 (SEE = 9,99) and between perfusion and dPaO2 0,84 (SEE = 9,51).
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