Transplantation proceedings · 2003
Transvascular ethanol embolization: first option for the management of symptomatic nonfunctioning renal allografts left in situ.
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Delgado P, Diaz F, Gonzalez A, Hernández E, Hidalgo R, Hernández D, Gutierrez P, Lorenzo V
Аннотация
BACKGROUND: Transplantectomy has been the conventional therapy for symptomatic failed grafts left in situ (FGLIS). Graft intolerance syndrome (GIS) is a common complication after withdrawal of immunosuppression. Our group first reported transvascular ethanol embolization (TVEE) as an alternative for the management of GIS.
OBJECTIVE: Our goal was to evaluate the efficacy and safety of TVEE in a large series of patients with symptomatic FGLIS.
PATIENTS AND METHODS: From January 1989 to December 2001, 944 patients received cadaveric renal transplants in our center. During this period, 59 patients with FGLIS underwent TVEE (50+/-7 years, 71% men, 15% diabetics). TVEE was performed using a transfemoral approach. A balloon occlusion catheter was inflated in the renal artery before ethanol injection (10-12 cc). The position of coils completed the procedure. No systematic prophylactic antibiotic or steroid treatment was administered.
RESULTS: The main indication for TVEE was GIS (51 patients, 86%). TVEE was initially successful in 39 patients (66%). A second TVEE, which was performed in 9 of 20 unresolved cases, was successful in six. After a second TVEE, the efficacy increased to 76%. The most frequent complication was postembolization syndrome (62%), which was manifested by fever, local pain, and inflammation that generally resolved in 48-72 hours. No major complications or deaths were observed. One of four patients underwent transplantectomy. Histologic examination of the removed graft showed renal tissue necrosis (10 cases) and pyonephrosis (4 cases).
CONCLUSIONS: TVEE, a safe and effective technique, may be considered as the treatment of choice for symptomatic FGLIS.
OBJECTIVE: Our goal was to evaluate the efficacy and safety of TVEE in a large series of patients with symptomatic FGLIS.
PATIENTS AND METHODS: From January 1989 to December 2001, 944 patients received cadaveric renal transplants in our center. During this period, 59 patients with FGLIS underwent TVEE (50+/-7 years, 71% men, 15% diabetics). TVEE was performed using a transfemoral approach. A balloon occlusion catheter was inflated in the renal artery before ethanol injection (10-12 cc). The position of coils completed the procedure. No systematic prophylactic antibiotic or steroid treatment was administered.
RESULTS: The main indication for TVEE was GIS (51 patients, 86%). TVEE was initially successful in 39 patients (66%). A second TVEE, which was performed in 9 of 20 unresolved cases, was successful in six. After a second TVEE, the efficacy increased to 76%. The most frequent complication was postembolization syndrome (62%), which was manifested by fever, local pain, and inflammation that generally resolved in 48-72 hours. No major complications or deaths were observed. One of four patients underwent transplantectomy. Histologic examination of the removed graft showed renal tissue necrosis (10 cases) and pyonephrosis (4 cases).
CONCLUSIONS: TVEE, a safe and effective technique, may be considered as the treatment of choice for symptomatic FGLIS.