Correlation of anorectal electromanometry and anorectal three-dimensional ultrasound findings in patients with fecal incontinence / Correlação dos achados da eletromanometria anorretal e ultrassonografia anorretal tridimensional nos pacientes portadores de incontinência fecal

Objective: To show the correlation of anorectal electromanometry and three-dimensional anorectal ultrasonography in patients with fecal incontinence. Method: Prospective study involving 34 women (mean age: 55 years) with a diagnosis of fecal incontinence. The samples were submitted to three-dimensional anorectal ultrasonogra- phy/Echodefecography and anorectal electromanometry. Results: Based on anorectal electromanometry data, 70.5% of 34 patients had hypotonia at rest, 64.7% had hypotonic contraction, 52.9% had both hypotonia at rest and hypotonic contraction, and 44.1% had anismus. By three-dimensional anorectal ultrasonography, 32.3% had internal anal sphincter injury, 79.4% had external anal sphincter injures, and 26.4% had both internal and external anal sphincter injuries. In 38.2%, anismus was suggested and 50% showed rectocele. Overall, only 5.8% had normal results for anorectal electromanometry combined with three-dimensional anorectal ultrasonography. Kappa index was 0.297 and the presence of anismus through anorectal electromanometry and three-dimensional anorectal ultrasonography was compared by Student's t test application, with p<0.0001. Conclusion: We conclude that there was a reasonable agreement in the comparison of sphincter hypotonia by anorectal manometry and sphincter injury by anorectal three-dimensional ultrasonography in a group of patients with fecal incontinence. The incidence of anismus in patients with fecal incontinence is considerable, and the therapeutic approach in these patients should be modified. (AU)

RESUMO Objetivo: Demonstrar a correlação entre eletromanometria anorretal (EMAR) e ultrassonografia tridimensional anorretal (3D-US) em pacientes com incontinência fecal. Método: Estudo prospectivo envolvendo 34 mulheres (média de idade: 55 anos) com diagnóstico de incontinência fecal. As amostras foram submetidas à 3D-US/Ecodefecografia e EMAR. Resultados: Com base nos dados de EMAR, 70,5% das 34 pacientes exibiam hipotonia em repouso, 64,7% exibiam contração hipotônica, 52,9% hipotonia em repouso e contração hipotônica, e 44,1% exibiam anismus. Com base nos achados de 3D-US, 32,3% exibiam lesão no esfíncter anal interno, 79,4% exibiam lesão no esfíncter anal externo, e 26,4% em ambos os esfíncteres anais interno e externo. Pela 3D-US, em 38,2% das pacientes houve indício de anismus, e em 50%, retocele. No total, apenas 5,8% obtiveram resultados normais combina- dos para EMAR e 3D-US. Foi constatado um índice Kappa = 0,297 e, no teste t de Student, a comparação de anismus por EMAR e por 3D-US obteve significância de p<0,0001. Conclusão: Concluímos ter havido concordância razoável ao ser comparada a manomatria anorretal para hipotonia esfinctérica e a ultrassonografia tridimensional anorretal para lesão esfinctérica em um grupo de pacientes com incontinência fecal. A incidência de anismus em pacientes com incontinência fecal é considerável, e a abordagem terapêutica para esses pacientes deve ser modificada. (AU)

Incontinencia fecal del adulto / Fecal incontinence in adults

The aim of this paper is to review the knowledge of this pathology by highlighting the clinical evolution, study and treatment. These different aspects need a multidisciplinar approach, because of their complex physiopathology, possible association with urinary incontinence and prolapse of the three compartments of the pelvis. The fecal incontinence (FI) constitutes a highly prevalent pathology that affects at least 2 percent of the population and up to 45 percent of the patients in nursing homes. This pathology can cause serious problems in physical, psychological, social, and economical levels. The clinical evaluation may identify or suspect the cause, and guide the study of FI. The initial treatment of the FI should always be medical one, often associated to biofeedback and the surgical treatment should be only reserved for refractory FI. Sphincteroplasty is indicated by defined defaults of the external sphincter, with good initial results (at least 70 percent) that fall to 50 percent in 5 years. The artificial neosphincter and the dynamic graciloplasty represent an option for patient without sufficient sphincter mass for a plasty. In the last few years new techniques have appear with promising results, as the neuromodulation that uses electrodes in the sacral plexus or applied to the posterior tibial nerve. In conclusion the IF is a problem of large prevalence but kept in shadows because the patients tend to have reticence to declare it, and the doctors to inquire about. The focus should be multidisciplinary and the initial treatment must be medical one. The surgical treatment should be reserved for refractory FI.

El propósito de esta revisión es actualizar los conocimientos sobre esta patología, destacando su evolución clínica, estudio y tratamiento, aspectos que ameritan un enfoque multidisciplinario, ya que, además de su compleja fisiopatología, puede asociarse a incontinencia urinaria y prolapso de los tres compartimentos de la pelvis. La incontinencia fecal (IF) constituye una patología altamente prevalente que afecta al menos un 2 por ciento de la población y hasta el 45 por ciento de los pacientes en casas de reposo; cuyas consecuencias pueden ocasionar al paciente serios problemas físicos, psicológicos, sociales y económicos. La evaluación clínica puede identificar o sospechar la causa de la IF, y guiar el estudio de la misma. El tratamiento inicial de la IF debe ser siempre médico, a menudo asociado a biofeedback, y el tratamiento quirúrgico reservarse para la IF refractaria a estas medidas. La esfinteroplastía está indicada en defectos definidos del esfínter externo, con buenos resultados iniciales (al menos 70 por ciento) que caen hasta el 50 por ciento al cabo de 5 años. El neoesfínter artificial y la graciloplastía dinámica representan opciones para pacientes sin masa esfinteriana suficiente para una plastía. En los últimos años han aparecido técnicas más promisorias como la neuromodulación que utiliza electrodos en el plexo sacro o aplicados al tibial posterior. En conclusión la IF es un problema de gran prevalencia, pero soterrado, ya que los pacientes son reticentes a declararla y los médicos a indagarla. Su enfoque debe ser multidisciplinario y su tratamiento inicial, médico, reservando la cirugía para casos refractarios.