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수술후 폐장합병증에 관한 연구 - 합병증 발생빈도 , 수술후 폐기능 변화 및 Incentive spirometer 의 합병증 예방효과에 관하여 -
김종호(Jong Ho Kim),김면호(Myun Ho Kim),김동순(Dong Soon Kim),이상혁(Sang Hyuck Lee),백낙완(Nak Whan Paik) 대한내과학회 1986 대한내과학회지 Vol.31 No.1
N/A Pulmonary complications continue to be an important cause of postoperative morbidity and mortality, and there have been controversies about the effect of incentive spirometer(I.S.). So we performed a prospective controlled study on 206 patients who underwent elective surgery to find out. 1) Whether the use of I.S. could decrease the incidence of postoperative pulmonary complications. 2) The risk factors. 3) The change in pulmonary function after the surgery. Pulmonary complications were defined clinically as the new development; of 3 or more of the following, findings(cough, sputum, chest pain, fever, tachycardia and crackles on auscultation) or the new appearance of abnormalities in chest X-ray. We found 1) The over-all incidence of the pulmonary complications was 17%. It was higher after the surgery of upper abdomen(24%) than the lower abdomen(14%) or the extra-abdomen(11%), but the difference was not statistically significant. 2) Among the risk factors, only smoking exerts a significant influence on the incidence of pulmonary complications. 3) Both FVC & FEV1 were reduced to 40-50% of preoperative value after the upper abdominal surgery, 50-60% after the lower abdominal surgery, and 70-80% after the extra-abdominal surgery. The recovery of pulmonary function was much slower after the upper abdominal surgery than lower or extra-abdominal surgery. 4) Significant reduction in PaO2 with increased. AaDO2 was noted in all patients. In the patients who developed pulmonary complications, the degree of AaDO2 change was significantly larger than in the patients without complications. 5) In I.S. group, the pulmonary complications tended to he less frequent(17%) and less severe than the control group(31%), but the difference was not statistically significant.