PURPOSE: This study was undertaken to determine whether reversed terminal i
leal segments can be used to decrease ileostomy output in patients who have
undergone total proctocolectomy and ileostomy for ulcerative colitis or fa
milial adenomatous polyposis. METHODS: An approximately 25-cm length of ter
minal ileum was reversed in an antiperistaltic manner, and the new terminal
ileal end was used for the ileostomy constructed in the usual manner. Six
patients underwent this procedure and were compared with six patients who h
ad conventional total proctocolectomy and ileostomy. Variables studied incl
uded weight of ileostomy output and the weight of the filtered fluid compon
ent. Data were obtained on seven different occasions during a two-month per
iod beginning three months after the operation. Analysis was done using Stu
dent's t-test. RESULTS: There was a statistically significant decrease in t
he weight of the average 24-hour ileostomy effluent in those patients under
going reversed antiperistaltic loop procedures. There was also a statistica
lly significant decrease in the filterable liquid proportions. CONCLUSIONS:
The antiperistaltic ileostomy is effective in reducing the daily amount of
ileostomy effluent and facilitates stoma care, owing to its diminished liq
uid component.