Coexisting nephrolithiasis and cholelithiasis in premature infants

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Abstract
Though the coexistence of nephrolithiasis and cholelithiasis in premature infants is extremely rare, we report four patients seen in a two year period. All patients weighed less than 1100 grams at birth, developed severe bronchopulmonary dysplasia, and all had Grade III or IV bilateral intraventricular hemorrhages. All four infants received prolonged furosemide therapy lasting at least 28 consecutive days. The renal stones disappeared in all four upon cessation of therapy, while in none have the gallstones disappeared after a mean follow-up period of 13 months. Ultrasound was superior in identifying and monitoring these stones. Their presence resulted in manipulating diuretic therapy which then was shown to limit renal and possibly biliary complications.
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