[Treatment of bladder neck obstructions by the Memotherm stent].
OBJECTIVE
This study was designed to evaluate the feasibility, efficacy and complications of treatment of bladder neck obstruction by Memotherm stent.


METHODS
A Memotherm stent was implanted under local anaesthesia in 53 elderly patients presenting a poor general status and/or cardiopulmonary disease. All patients presented urinary retention, 48 patients presented signs of benign prostatic hyperplasia (BPH) and 5 patients presented neurogenic bladder.


RESULTS
Micturition was restored immediately after implantation in 40 patients, implantation failed immediately in 3 patients and 3 patients required stent modification. Seven patients required prolonged bladder drainage before resumption of spontaneous micturition. Forty patients have long-term follow-up with a mean follow-up of 42 months and a maximum follow-up of 75 months. The stent was conserved throughout follow-up in 36 (90%) patients. The following complications were observed: 1 case of major intolerance, 1 case of early migration, 3 cases of late migration, 1 case of partial encrustation and 1 case of obstruction of the stent lumen by prostatic tissue.


CONCLUSIONS
When conventional BPH surgery is contra-indicated, the Memotherm stent can safely relieve bladder neck obstruction with satisfactory functional results.
Choquenet
Christian
C
Service d'Urologie, Centre Hospitalier Princesse Grace, BP 489 MC 98012, Monaco. choquro@chpg.mc
Kechaou
Maher
M
Ortega
Jean-Claude
JC
D000368:Aged; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D011470:Prostatic Hyperplasia / Q000150:complications; D011474:Prosthesis Design; D012189:Retrospective Studies; D015607:Stents; D013997:Time Factors; D016896:Treatment Outcome; D001748:Urinary Bladder Neck Obstruction / Q000209:etiology / Q000601:surgery*; D001750:Urinary Bladder, Neurogenic / Q000150:complications
Traitement des obstructions cervico-prostatiques par implantation d'une prothèse Memotherm.