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Complications of intrauterine placement of a vesicoamniotic shunt
K M Lewis1, T L Pinckert, M P Cain
1Department of Obstetrics and Gynecology, Georgetown University Medical Center, Washington, DC 20007, USA.
Background:
Fetal obstructive uropathies complicated by severe oligohydramnios can cause neonatal death due to renal dysplasia and pulmonary hypoplasia.
Case:
A 31-year-old multigravida was referred at 19.6 weeks with sonographic evidence of fetal megacystis and bilateral hydroureteronephrosis, and severe oligohydramnios. A vesicoamniotic shunt was placed for urinary diversion. Complications included shunt migration, intestinal evisceration, amniorrhexis, preterm labor, and preterm delivery. Bowel characteristics were assessed by measuring the intestinal lumen diameter for evidence of obstruction. The lumen diameter remained stable at 3-5 mm, and the luminal wall remained stable at 2.5 mm. After birth at 31 weeks, the infant underwent exploratory laparotomy and extraction of malpositioned shunts, vesicostomy, and closure of abdominal wall defect. He was discharged at 61 days of life after resolution of neonatal pulmonary and infectious complications.
Conclusion:
Operative management of complete fetal obstructive uropathy is beneficial despite potential complications.