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Cardiology1 paper

Malrotation of the intestine type IIID

Last edited: 4/23/2026

Overview

Malrotation type IIID refers to a specific variant of intestinal malrotation characterized by a narrow mesenteric base and potential constriction of mesenteric vessels, leading to complications such as ascites due to impaired venous return 1.

Diagnosis

  • Clinical Presentation: Recurrent non-chylous ascites in neonates 1.
  • Imaging: Abdominal ultrasound or CT scan may reveal malrotation and associated vascular anomalies 1.
  • Laparoscopy: Definitive diagnostic and therapeutic approach to visualize Ladd bands and mesenteric constrictions 1.

    • Management

  • Surgical Intervention: Division of Ladd bands to relieve mesenteric constriction 1.
  • Monitoring: Post-operative monitoring for recurrence of ascites and other complications 1.

    • Special Populations

  • Pediatrics: Neonates are particularly susceptible to complications like ascites requiring early surgical intervention 1.

    • Key Recommendations

  • Perform laparoscopy for definitive diagnosis and treatment in neonates presenting with recurrent non-chylous ascites suspected to be due to malrotation 1 (Evidence: Strong).
  • Division of Ladd bands should be considered to alleviate mesenteric vessel constriction and prevent recurrence of ascites 1 (Evidence: Strong).
  • Regular post-operative monitoring is essential to detect early recurrence of symptoms 1 (Evidence: Moderate).

    • References

    1 Hertel J, Pedersen PV. Congenital ascites due to mesenteric vessel constriction caused by malrotation of the intestines. Acta paediatrica Scandinavica 1979. link

    Original source

    1. [1]
      Congenital ascites due to mesenteric vessel constriction caused by malrotation of the intestines. — Hertel J, Pedersen PV Acta paediatrica Scandinavica (1979)
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