Abstract
The purpose of this study was to determine the effectiveness of the Thow long intestinal tube (LIT) for prevention of postoperative adhesive small bowel obstruction (ASBO) and to compare the Thow tube with other LITs. The charts of all patients who had placement of a Thow tube between January 1986 and November 1998 were reviewed. Thirty-four patients ranging in age from 9 to 86 years (mean 57.9) were included in the study. Twenty-five were contacted by phone for long-term follow-up. Twenty-nine patients had undergone previous abdominal surgery, and in 11 of 29 the previous surgery was for ASBO. Indications for surgery and Thow tube placement included: bowel obstruction (25), perforated viscus (five), carcinomatosis (two), colitis (one), and atonic bowel (one). Review of the operative notes revealed no difficulty in advancing the Thow tube in 32 of 34 patients (94%). Thow tube-related complications occurred in nine patients (25%). All complications were associated with the gastrostomy site, and only one patient required surgery for the complication. Two (5.9%) patients developed recurrent obstruction during a mean follow-up of 52 months. In one patient the obstruction was caused by adhesions and in another it was the result of an intra-abdominal abscess. Of 23 patients treated for ASBO at the time of Thow tube placement no patient (0%) developed recurrent ASBO during the follow-up period (total 110.5 patient-years). This study along with a review of the literature suggests that LITs decrease the risk of recurrent ASBO. The Thow tube, however, is easily placed and is associated with fewer and less severe complications than other LITs.
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