[病例]某医院患者,男,39岁。于1989年1月12日上午10时腰麻下行人造股骨头手术。术前检查患者血型为O型,但配血时发现凝集,故又重新检查患者血型为A型,配A型全血300ml、代血浆400ml,无凝集发生。术后病人自述腰痛。晚又配A型血400ml输入,但血色素仍不升高。13日因发现病人有血尿,临床要求复查血型,复查结果患者红细胞(正定型)仍为A型。14日又查患者血清(反定型)亦为 [Case] ​​A hospital patient, male, 39 years old. On January 12, 1989 at 10 o’clock in the morning spinal anesthesia artificial femoral head surgery. Preoperative examination of patients with blood type O, but with blood coagulation was found, it is also re-examination of patients with blood type A, with A type of whole blood 300ml, on behalf of the plasma 400ml, no agglutination occurs. Postoperative patients reported back pain. Late with A blood 400ml input, but the hemoglobin is still not increased. On the 13th because the patient found hematuria, clinical review of blood type, review the results of patients with red blood cells (positive type) is still A type. 14 and check the patient’s serum (anti-type) also