Departmental Bulletin Paper 同種造血幹細胞移植後のウイルス性出血性膀胱炎に対する泌尿器科的外科治療の意義
Significance of Urological Surgical Treatment for Viral Hemorrhagic Cystitis after Allogeneic Hematopoietic Stem Cell Transplantation

黒澤, 和宏  ,  浦上, 慎司  ,  石綿, 一哉  ,  宮川, 仁平  ,  阪口, 和滋  ,  藤岡, 正志  ,  村田, 浩克  ,  井下, 尚子  ,  谷口, 修一  ,  岡根谷, 利一

62 ( 11 )  , pp.563 - 567 , 2016-11-30 , 泌尿器科紀要刊行会
This study investigated the significance of urological surgical intervention for viral hemorrhagic cystitis (HC) after allogeneic hematopoietic stem cell transplantation (allo-HSCT). A total of 1, 024 patients underwent allo-HSCT at our medical center between January 2006 and July 2014. In the 6 patients (0.58%) who required urological surgical treatment for viral HC, we retrospectively analyzed patient characteristics and outcomes. Two patients underwent nephrostomy for bilateral hydronephrosis due to bladder tamponade. One of these patients showed no improvement in renal function, graft versus host disease worsened and he died on postoperative day (POD) 5. The other patient displayed improved renal function but hematuria did not improve, and total cystectomy was required. To control bleeding, we performed transurethral electrocoagulation (TUC) on 3 patients, and total cystectomy was performed on 2 patients. All 3 patients who underwent TUC had BK virus HC. Two of these patients experienced marked improvement in hematuria from immediately after surgery. Hemostasis was only temporary in the other patient, who eventually died due to septicemia on POD 24. The 2 patients who underwent total cystectomy had adenovirus HC. Both experienced secondary hemorrhage postoperatively and required further surgery. Eventually, one died due to postoperative bleeding on POD 1, and one died due to postoperative pneumonia on POD 57. Urological surgical treatment for HC was effective in some cases, but the ultimate outcome greatly depends on the general condition of the patient and treatment of the underlying hematological disorder. TUC may be considered for HC (particularly BK virus HC), but total cystectomy (especially inaden ovirus HC) should be avoided.

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