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Pediatr Surg Int. 1999;15(3-4):214-6.

Unsuccessful air-enema reduction of intussusception: is a second attempt worthwhile?

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  • 1Division of Pediatric Surgery, The University of lowa lowa City, lowa 52242, USA.

Abstract

Pneumatic reduction of idiopathic intussusception is successful in about 80% of cases, while 60% of the failures are reduced at surgery without resection. To determine whether delayed, repeated attempts at enema reduction of failures would reduce the need for operation in selected cases, over a 2-year period (1994-1996 inclusive), 17 infants with idiopathic intussusception underwent delayed repeat enemas 2-19 h following the first failed attempt at reduction. Clinical parameters and radiologic findings were evaluated with respect to outcome. Ten intussusceptions were successfully reduced after the second attempt in 9 and after the fourth attempt in 1. Seven children underwent a laparotomy, 5 because of failure of progressive reduction at air enema (AE). Two were taken to surgery early in the series, 1 because of perforation during a second attempt and 1 while awaiting a third reduction attempt. The 10 successful reductions all showed progressive movement of the intussusceptum on each AE; the 2 who perforated failed to show progressive reduction on their second AE. Because of these cases, the remaining 5 were referred to surgery because of failure of progressive reduction of the intussusceptum on the second attempt. At laparotomy, of the 7 unsuccessful reductions, 4 required resection and 3 had difficult manual reduction. The presence of vomiting, a mass, and/or bloody stools were not predictors of outcome. Failures had higher body temperatures (38.1 +/- 0.3 vs 37.4 +/- 0.1 degrees C, P = 0.07), heart rates (153.7 +/- 8 vs 136.9 +/- 2.1 min, P = 0.03), and longer duration of symptoms (36.8 +/- 4 vs 21.3 +/- 3.6 h; P = 0.01) than successes. Delayed repeat AEs may be safe and effective in selected cases of idiopathic intussusception, but should be considered only if significant movement of the intussusceptum is noted at each attempt. The ideal time for repeat AE reduction prior to surgery is not established, but 2-4 h appears appropriate. Pyrexia, tachycardia, and duration of symptoms greater than 36 h are relative contraindications to this course of management.

PMID:
10370026
[PubMed - indexed for MEDLINE]
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