Gas reduction of intussusception

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Abstract
Efforts to improve the non-surgical management of childhood intussusception centre around (a) reassessment of selection criteria used to ensure as many children as possible have the advantage of hydrostatic reduction, and (b) improvements and modifications of enema technique to ensure successful and safe reductions without increased morbidity. Reports that pneumatic reduction was highly successful in treating childhood intussusception prompted the authors to evaluate this technique over an 18 month period using our previously reported technique of oxygen at 2 litres/minute and a pressure of 80 mm Hg. Pneumatic reduction was attempted in 114 of 129 consecutive cases of intussusception, and was successful in 85 (75%). Fifteen patients (8.6%) were considered unacceptable risks for gas reduction using our current selection criteria and had primary surgery. The overall success rate considering all cases of intussusception managed at our institution over this period was 66% (85/129). As with any form of hydrostatic reduction, pneumatic reduction of intussusception requires careful selection of patients, meticulous technique, and awareness of complications and their appropriate management. Because of its simplicity and improved success rate, pneumatic reduction has replaced traditional barium reduction at our institution. It may be that with further evaluation of selection criteria, higher pressures, and prolonged attempts that results will improve further.