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Over a 6-year period (1989-1995), gastrointestinal (GI) perforation was diagnosed in nine preterm infants (mean gestational age 27 weeks, mean birth weight 872 g). Three presented with necrotizing enterocolitis (NEC), two with indwelling-tube-induced perforation of the stomach, one with small-left-colon syndrome, and another with meconium ileus. Spontaneous intestinal perforation occurred in two similar very-low-birth-weight (VLBW) infants, in the distal ileum, on days 8 and 9 of life, respectively. The only clinical sign was extensive abdominal distension, and abdominal X-ray studies revealed free peritoneal air. All findings were distinct from those associated with NEC. Their further clinical course was complicated by reperforation on day 32 and 39, respectively. They subsequently recovered and presented without GI problems at the corrected ages of 4 and 2 months, respectively. In contrast to high mortality of 57% in the group with non-spontaneous intestinal perforations, spontaneous perforation seems to have a good prognosis even in VLBW infants if diagnosed and treated promptly.

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Drainage problems due to catheter malpositioning are acutely life-threatening in patients undergoing extracorporeal membrane oxygenation. In order to reduce these complications we introduced sonographically guided catheter positioning. We compare the outcome in a group of patients with blind cannula positioning to that in a group with sonographically guided catheter positioning. Our results show that neonates and young infants especially are at high risk of drainage problems due to catheter malposition and that their outcome could be markedly improved by introducing sonographically guided cannula insertion.

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