Diseases of the colon and rectum · 1996
Biofeedback therapy in rectal prolapse patients.
Клиническое исследованиеКонтролируемое клиническое исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Hämäläinen K J, Raivio P, Antila S, Palmu A, Mecklin J P
Аннотация
PURPOSE: The aim of the study was to evaluate the effect of perioperative biofeedback training on postoperative continence in patients with rectal prolapse.
METHODS: Thirty-six consecutive patients were operated on between 1987 and 1993. Twenty-nine could be traced for reexamination. Four were excluded because of a recurring prolapse. Anal manometry, assessment of rectoanal sensation, and surface electromyography were performed during the reexamination. From 1987 to 1991, no perioperative biofeedback training was given (Group 1, n = 14). Since the beginning of 1992, incontinent patients were given biofeedback training (Group 2, n = 11).
RESULTS: Continence scores improved in both study groups. Both study groups had equally low resting pressures compared with Group 3 (controls) (30.6 +/- 14.9 vs. 53.0 +/- 11.9 mmHg; P < 0.001). Anal resting pressure correlated with postoperative continence score, whereas contractile pressures did not (r = -0.5,P < 0.05, and r = -0.3, p = not significant, respectively).
CONCLUSION: Biofeedback therapy can improve the function of external sphincter; however, the most important reason for postoperative incontinence in rectal prolapse patients is low resting pressure that cannot be corrected by biofeedback therapy.
METHODS: Thirty-six consecutive patients were operated on between 1987 and 1993. Twenty-nine could be traced for reexamination. Four were excluded because of a recurring prolapse. Anal manometry, assessment of rectoanal sensation, and surface electromyography were performed during the reexamination. From 1987 to 1991, no perioperative biofeedback training was given (Group 1, n = 14). Since the beginning of 1992, incontinent patients were given biofeedback training (Group 2, n = 11).
RESULTS: Continence scores improved in both study groups. Both study groups had equally low resting pressures compared with Group 3 (controls) (30.6 +/- 14.9 vs. 53.0 +/- 11.9 mmHg; P < 0.001). Anal resting pressure correlated with postoperative continence score, whereas contractile pressures did not (r = -0.5,P < 0.05, and r = -0.3, p = not significant, respectively).
CONCLUSION: Biofeedback therapy can improve the function of external sphincter; however, the most important reason for postoperative incontinence in rectal prolapse patients is low resting pressure that cannot be corrected by biofeedback therapy.