J.Jpn. Surg. Soc.. 53(4): 205-215, 1952
Original article
STUDlES ON POSTOPERATIVE PULMONARY COMPLICATIONS PART I. CLINICAL OBSERVATION
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II. Surgical Department, Tokyo University Medical School (Director: Prof. T. Fukuda) Chiharu WATANABE |
1) The rate of occurrence was approximately 1% and there is no evident change in this rate recently or formerly.
2) A so-called postoperative pneumonia has diminished and the pulmonary collapse has increased exceedingly (with a rate of 80% in postoperative pulmonary complications recently).
3) The recent fatality rate reduced evidently.
4) The nature of the operation and not the age, the sex, or the season governs the incidence of the postoperative pulmonary complications. Abdominal operations, particularly upper incisions, are quite as likely to cause them. The frequency of this complications following upper abdominal operations was 4.3% compared with a rate of 1.8% in the lower one.
5) It is worth to mention that the incidence of postoperative atelectasis in cases of stomach cancer was not found, compared with a high frequency in cases of stomach and duodenal ulcer.
II. The investigation about blood gases of 50 operated cases, including patients with postoperative pulmonary complications.
1) The oxygen saturation of arterial blood decreases markedly according to the occurrence of postoperative pulmonary complications, i.e. it is rate of 70-80% approximately.
2) The oxygen saturation of arterial blood gets its normal value as the attack is over or sooner before we can see the improvement of the clinical signs.
3) Dyspnea of postoperative pulmonary collapse is not entirely clear by the reduction of the oxygen saturation of arterial blood. (author's abstract)
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