Efeitos imediatos do “Biofeedback” e da eletroestimulação anorretal no tratamento da contração paradoxal da musculatura puborretal em mulheres com evacuação obstruída

Abstract

This study was conducted to evaluate the effects of "biofeedback" and electrostimulation in reversing muscle contraction paradoxical puborectalis. The study involved 31 women from the Clinic of Coloproctology Walter Cantídio University Hospital, Federal University of Ceará and the Center for Gastroenterology and Coloproctology of Ceará, in the period August 2010 to July 2012, with 28 to 64 years of age, who met the Rome III criteria and presented, eletromanométrico examination, presence of contraction to maneuver defecation. Were randomized into three groups: group I conventional treatment of constipation, group II conventional treatment of constipation associated with "biofeedback", Group III conventional treatment of constipation associated with electrical stimulation. At baseline and after six weeks of treatment, we assessed the subjective and objective parameters of anorectal function by means of the scoring system for constipation Wexner scale to Bristol stool consistency, visual analog scale and anorectal electromanometry. All patients demonstrated improvement in bowel satisfaction, stool frequency, effort and feeling of incomplete evacuation, stool-type modifications and improvement in quality of life (p <0.05). On examination there was increased pressure eletromanométrico average voluntary contraction in group III (p = 0.043), decreased sensitivity threshold in group II (p = 0.025) and in group III (p = 0.012) and decreased rectal capacity maximum in group II (p = 0.005). Only 19.4% (n = 6) normalized dynamic defecation, and 80.6% (n = 25) expressed clinical improvement and not instrumental. The results confirmed that the "biofeedback" and electrostimulation are valuable treatment options and impact on quality of life of these patients. The "biofeedback" was more effective than electrical stimulation, which in turn is more effective than conventional treatment for constipation. Further randomized, controlled, long-term are needed to confirm the results. In the future, studies with the combination of therapeutic modalities may be a therapeutic option more sustainable and effective.