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Pediatr Radiol. 1992;22(2):112-4.

Value of sonography including color Doppler in the diagnosis and management of long standing intussusception.

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  • 1Department of Radiology, Royal Alexandra Hospital for Children, Sydney, Australia.


15 cases of intussusception with presenting symptoms of more than 24 h duration were studied by sonography and Doppler. The aim of the study was to determine the validity of the sonographic criteria of peritonitis and bowel ischaemia in order to reduce the risk of colonic perforation and to increase confidence in achieving a successful hydrostatic reduction. The results were reviewed retrospectively and cases divided into 2 groups. Cases in group 1 were reducible by barium enema while those in group 2 required surgical intervention. Sonographic features of peritonitis were absent in all cases of group 1 and 3 cases of group 2. These 3 cases were reduced manually at surgery while the other 5 cases in group 2 with positive features of peritonitis required bowel resection. Blood flow was documented by colour flow Doppler in all cases except the 3 cases with gangrenous bowel in group 2. When sonographic features of peritonitis and loss of blood flow to the intussusception are present in late intussusception, surgical intervention is required. On the other hand, enema reduction should be pursued when such features are absent.

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