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Korean Journal of Anesthesiology 1987;20(4):545-549.
DOI: https://doi.org/10.4097/kjae.1987.20.4.545   
Effect of Positive End-Expiratory Pressure on the Deadspace-Tidal Volume Ratio and Compliance in Adult Patients during Anesthesia .
Won Oak Kim, Jin Su Kim, Wyun Kon Park, Chung Hyun Cho, Kwang Won Park
Department of Anesthesiology, Yonsei University College of Medicine, Seoul, Korea.
In 15 patients without cardiopulmonary disease, We studied the effects of positive end- expiratory pressure(PEEP) on the deadspace-tidal volume ratio (VD/VT ratio) and total static compliance after induction of anesthesia. PEEP of 0,37+/- and 15 cmH2O were sequentially applied. Mean VD/VT ratio and compliance were 0.34+/-7.11, 57+/-8 m17H70 at zero PEEP, 0.37 +/-0.06, 64+/-6ml/H2O at 10 cmH70 PEBP, 0.43+/-0.16, 59+/-8 ml/cmH2O at 10 cmH2O PEEP and 0.43+/-0.16, 59.8 ml/cmHaO at 15 cm/H20 PEEP At each level of PEEP, VD/VT retie and compliance had increased with elevation of PEEP. VD/VT ratio at 15 cmH20 was signica- ntlr differed from that of utero PEEP but not in compliance. We 77served in anesthetized patients with healthy lung that the ap1ication of PEEP up to 15 omHaO increased VD/VT ratio and compliance.


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