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Volvulus

Volvulus is a topic covered in the Select 5-Minute Pediatrics Topics.

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Basics

Description

Volvulus represents an abnormal rotation (torsion) of the viscera that results in ischemia. Gastric, cecal, and midgut volvulus can occur. Midgut volvulus is the most common form in infants and children.

Epidemiology

  • Malrotation with midgut volvulus occurs in 1 in 6,000 live births.
  • Slightly more common in boys
  • Most children with midgut volvulus present in the 1st month of life.

Risk Factors

  • Children with malrotation have a narrow mesenteric vascular pedicle and are predisposed to volvulus.
  • Familial associations can occur.
  • The risk of volvulus in patients with malrotation does not decrease with age.

Etiology

Volvulus occurs due to failure of the fetal gut to undergo normal in utero rotation and fixation (malrotation), resulting in a narrow mesenteric vascular pedicle.

Commonly Associated Conditions

Up to 30% of children with malrotation have congenital heart disease. Additionally, 30–60% of patients with other congenital gastrointestinal (GI) malformations (gastroschisis, omphalocele, intestinal atresia, Hirschsprung disease) have malrotation.

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Citation

Cabana, Michael D., editor. "Volvulus." Select 5-Minute Pediatrics Topics, 7th ed., Wolters Kluwer Health, 2015. Medicine Central, im.unboundmedicine.com/medicine/view/Select-5-Minute-Pediatric-Consult/14131/all/Volvulus.
Volvulus. In: Cabana MD, ed. Select 5-Minute Pediatrics Topics. 7th ed. Wolters Kluwer Health; 2015. https://im.unboundmedicine.com/medicine/view/Select-5-Minute-Pediatric-Consult/14131/all/Volvulus. Accessed April 21, 2019.
Volvulus. (2015). In Cabana, M. D. (Ed.), Select 5-Minute Pediatrics Topics. Available from https://im.unboundmedicine.com/medicine/view/Select-5-Minute-Pediatric-Consult/14131/all/Volvulus
Volvulus [Internet]. In: Cabana MD, editors. Select 5-Minute Pediatrics Topics. Wolters Kluwer Health; 2015. [cited 2019 April 21]. Available from: https://im.unboundmedicine.com/medicine/view/Select-5-Minute-Pediatric-Consult/14131/all/Volvulus.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Volvulus ID - 14131 ED - Cabana,Michael D, BT - Select 5-Minute Pediatrics Topics UR - https://im.unboundmedicine.com/medicine/view/Select-5-Minute-Pediatric-Consult/14131/all/Volvulus PB - Wolters Kluwer Health ET - 7 DB - Medicine Central DP - Unbound Medicine ER -