Zhonghua yi xue za zhi · 2005
[Shape-memory alloy net-like stent for the management of ureteral stricture: a long-term follow-up report].
Аннотация на английскомСтатьяНазвание и аннотация: Перевод в очереди
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Song Yi, Li Ming, Na Yan-qun
Аннотация
OBJECTIVE: To investigate the long-term outcome of treatment of ureteral stricture with shape-memory alloy net-like stent.
METHODS: Nickel-titanium shape-memory alloy net-like stent was used to treat 9 patients with ureteral stricture, 4 males and 5 females, aged 41 (29-63), with the length of ureteral stricture of 1.0-4.0 cm, the etiology being radical operation for rectal carcinoma in 2 cases, chronic inflammation in 3 case, and operation for benign diseases in 4 cases. A total of 10 stents were inserted under spinal anesthesia. The mean follow-up time was 27.2 months (5-96 months).
RESULTS: Ureteral obstruction was relieved in 7 cases (77.8%) with the relief or disappearance of hydronephrosis. The ureteral stents were blocked and re-obstruction appeared in 2 cases within 5-6 months due to hyperplasia of fibrous tissue. One of the cases underwent removal of stent and the other case underwent insertion of double-J with improvement of renal function. No radiological evidence of migration of stent and encrustation was found.
CONCLUSION: More tolerable and with less side-effect and lower re-stricture rate, shape-memory alloy stent is better then Double-J in treatment of ureteral obstruction.
METHODS: Nickel-titanium shape-memory alloy net-like stent was used to treat 9 patients with ureteral stricture, 4 males and 5 females, aged 41 (29-63), with the length of ureteral stricture of 1.0-4.0 cm, the etiology being radical operation for rectal carcinoma in 2 cases, chronic inflammation in 3 case, and operation for benign diseases in 4 cases. A total of 10 stents were inserted under spinal anesthesia. The mean follow-up time was 27.2 months (5-96 months).
RESULTS: Ureteral obstruction was relieved in 7 cases (77.8%) with the relief or disappearance of hydronephrosis. The ureteral stents were blocked and re-obstruction appeared in 2 cases within 5-6 months due to hyperplasia of fibrous tissue. One of the cases underwent removal of stent and the other case underwent insertion of double-J with improvement of renal function. No radiological evidence of migration of stent and encrustation was found.
CONCLUSION: More tolerable and with less side-effect and lower re-stricture rate, shape-memory alloy stent is better then Double-J in treatment of ureteral obstruction.