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  • Title: Meconium diseases in infants with very low birth weight.
    Author: Dimmitt RA, Moss RL.
    Journal: Semin Pediatr Surg; 2000 May; 9(2):79-83. PubMed ID: 10807228.
    Abstract:
    Retained meconium resulting in intestinal obstruction in infants with very low birth weight (VLBW) may cause significant morbidity and even mortality. Immature intestinal neuromuscular function, abnormal meconium composition, and maternal magnesium sulfate therapy results in delay of first meconium passage. This "normal" passage of first meconium may not occur until 1 week of life or later. A spectrum of conditions results from this delayed passage. At the most serious end of this continuum is intestinal obstruction. These patients present with abdominal distension, emesis, and reduced stool frequency. Early diagnosis of this condition using plain abdominal radiographs and contrast enemas where appropriate is imperative. Contrast enemas may be both diagnostic and therapeutic. Most patients do not need surgical intervention. Operation is indicated when enemas fail to relieve the obstruction or perforation occurs. Prompt diagnosis and appropriate management results in a good outcome. Meconium obstruction in VLBW infants does not appear to be associated with cystic fibrosis or Hirschsprung's disease.
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