Functional constipation and pelvic floor disorders.

Objective To study the changes of anorectal motility in functional constipation and pelvic floor disorders,and to evaluate the physiologic benefits of biofeedback therapy according to noninvasive electromyography parameters.Methods 35 patients were entered this study.Each had 24h GITT,anorectal manometry and biofeedback therapy.Results (1)The rectal maximal volume of tolerance and the rectal lowest volume of sensory threshold were higher than HS.(2)After biofeedback therapy,96.5 percent of cases demonstrated symptomatic improvement,and the puborectal spasm was disappeared.Conclusion There are some anorectal motility disturbances in functional constipation,and biofeedback therapy is effective in improving symptoms and anorectal function.