LONG-TERM FUNCTIONAL, MANOMETRIC, AND ENDOSONOGRAPHIC EVALUATION OF PATIENTS OPERATED UPON WITH THE DUHAMEL TECHNIQUE

Long-term functional results, anal endosonography (AES), and anal cana l manometry were recorded in 45 patients aged 10 to 24 years (median 1 8) operated upon with the Duhamel technique for Hirschsprung's disease : 60.3% had perfect fecal control. 31.3% occasional staining and/or ga s incontinence, and 8.3% constant fecal soiling, and 10.3% complained of constipation, Compared to normals, the patients had significantly r educed anal canal resting and squeeze pressures, AES visualized scar t issue in both the internal and external anal sphincter.