Kohler H P, Streuli R
Medizinische Klinik, Regionalspital Langenthal.
Praxis (Bern 1994). 1996 Feb 13;85(7):203-7.
A 33-year-old man was admitted because of jaundice. Five months ago a reconstruction of the mitral valve was performed because of mitral valve insufficiency. There was a history of heroin dependence until three years ago. Laboratory tests showed normochromic normocytic anemia, increased nonconjugated serum bilirubin, decreased plasma haptoglobin, hemoglobinuria and hemosiderinuria. The peripheral blood smear contained numerous fragmented red cells, and the bone marrow showed a markedly increased erythropoiesis and absent iron stores. The clinical examination as well as echocardiography revealed severe mitral valve insufficiency; therefore, a mitral valve replacement was performed. Introperatively the mitral valve showed ruptured chordae tendineae of the posterior leaflet and a leaking stitch of the anterior leaflet. We diagnosed a macrovascular hemolytic anemia with subsequent mechanical injury and fragmentation of red cells on a dysfunctioning mitral valve.
一名33岁男性因黄疸入院。五个月前因二尖瓣关闭不全接受了二尖瓣重建手术。患者有海洛因依赖史,直至三年前。实验室检查显示正色素正细胞性贫血、非结合血清胆红素升高、血浆触珠蛋白降低、血红蛋白尿和含铁血黄素尿。外周血涂片可见大量破碎红细胞,骨髓显示红细胞生成明显增加且铁储存缺乏。临床检查及超声心动图显示严重二尖瓣关闭不全;因此,进行了二尖瓣置换术。术中发现二尖瓣后叶腱索断裂,前叶缝线渗漏。我们诊断为大血管性溶血性贫血,继发于功能异常的二尖瓣导致的机械性损伤和红细胞破碎。