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KMID : 0361619760110010104
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Journal of the Korean Orthopaedic Association
1976 Volume.11 No. 1 p.104 ~ p.109
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The Effect of Orthopaedic Operations upon Postoperative Arterial Oxygen Tension
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李漢九/Lee, Han Koo
金相烈/Kim, Sang Youl
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Abstract
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To 48 adult patients general and spinal anethesia was administered for elective orthopedic (intra-thoracic and extremity) and abdominal (general and gynecological) operations. Radial artery was cannulated and postoperative change of PaOz was observed for 7days. The results are as follows:
1) General anesthesia administered for operations on the legs results in a reduction of PaOz which is maximal immediately after discontinuation of anesthesia, gradually returns toward normal in a 3-hour period, and becomes normal on the first postoperative day.
2) General anesthesia administered for thoracomy and laparotomy is followed by the same early changes, which do not return toward normal in the first 3 hours. Reduciton of PaOz persists, and PaO4 continue tg deteriorate for several days, not completely returning to normal even 7days post-operatively.
3) When spinal anesthesia is administered for laparotomy, PaOz does not begin to fall untill several hours after the end of operation. The subsequent course follows as that in Z, above.
4) When spinal anesthesia is administered fur operation on the legs, PaOz does nit change significantly throughout the postoperative period.
5) Thus, it is concluded that late forms of postoperative hypoxemia is influenced primarily not by the method of anesthesia, but by site of operation.
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KEYWORD
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