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J Pediatr Surg. 2002 Aug;37(8):1169-72.

Management of typical and atypical intestinal malrotation.

Author information

1
Department of Pediatric Surgery, Arkansas Children's Hospital, Little Rock, AR 72202, USA.

Abstract

BACKGROUND:

"Atypical Malrotation" has been increasingly diagnosed at the authors' institution.

METHODS:

The authors reviewed retrospectively 201 consecutive operations for malrotation over 5 years to anatomically classify, and describe results of operation for, atypical malrotation. The ligament of Treitz (LOT) was classified as high if left of midline and above the 12th thoracic vertebra, low if left of midline and below the 12th thoracic vertebra, and typical if absent or right of midline.

RESULTS:

A total of 201 patients underwent operation for malrotation, in 176 there were adequate radiologic studies to allow classification of the LOT. Typical malrotation was present in 75 patients, low LOT in 56, and a high LOT in 45. Volvulus was more common in the Typical group compared with the other 2 groups (12 of 75 v 1 of 56 low; 1 of 45 high; P <.05) as were internal hernias (18 of 75 v 6 of 56 low, 1 of 45 high; P <.05). Complications occurred in 13% of typical versus 22% low and 21% of high patients (P =.10). Low and high LOT patients had 13% and 11% incidence of persistent symptoms postoperatively versus 0% of typical patients.

CONCLUSION:

Atypical malrotation patients are at significantly lower risk of volvulus and internal hernia compared with typical malrotation patients, and operation appears to come with increased morbidity.

PMID:
12149695
DOI:
10.1053/jpsu.2002.34465
[Indexed for MEDLINE]

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