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  • Title: Pneumatic reduction of intussusception: clinical experience and factors affecting outcome.
    Author: McDermott VG, Taylor T, Mackenzie S, Hendry GM.
    Journal: Clin Radiol; 1994 Jan; 49(1):30-4. PubMed ID: 8299329.
    Abstract:
    Between 1987 and 1992, 54 patients (32 male, 22 female) underwent 62 attempts at pneumatic reduction of intussusception. The mean age at presentation was 12.5 months (range 2.5 to 4 years 4 months). A retrospective review of all cases was performed to identify success rate and factors affecting it. Successful reduction was achieved in 46 cases (74%). One case was complicated by perforation and four cases (7%) by early recurrence. Patients with failed pneumatic reduction were more likely than those with successful reduction to have: (1) long duration of symptoms; (2) bleeding per rectum; (3) small bowel obstruction. Among the 16 cases of failed reduction, surgical findings were: five cases of ileo-ileo-colic intussusception, one with ileo-ileal, one with perforated ischaemic colon during air enema and one whose intussusception was found to be reduced at surgery. Three patients had lead points: Meckel's diverticula in two and a pinworm in one. Resection was required in three cases for non-viable bowel and in another two for the Meckel's diverticula. Pneumatic reduction of intussusception offers a high success rate with few complications. Performing an air enema earlier in the course of the disease may increase the chance of successful reduction.
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