Venous/arterial pulmonary shunting as the principal cause of postoperative hypoxaemia.
D000005:Abdomen / Q000601:surgery; D000328:Adult; D000368:Aged; D001164:Arteriovenous Fistula / Q000150:complications*; D001784:Blood Gas Analysis; D005260:Female; D006801:Humans; D000860:Hypoxia / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D010092:Oximetry; D010313:Partial Pressure; D011183:Postoperative Complications / Q000209:etiology; D012129:Respiratory Function Tests