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JOURNAL ARTICLE
MULTICENTER STUDY
RANDOMIZED CONTROLLED TRIAL
RESEARCH SUPPORT, U.S. GOV'T, NON-P.H.S.
Failure of cholecystokinin-octapeptide to prevent TPN-associated gallstone disease.
Journal of Pediatric Surgery 2005 January
PURPOSE: Gallstone formation is a common problem in neonates on prolonged courses of total parenteral nutrition (TPN). The authors hypothesized that the use of cholecystokinin-octapeptide (CCK), given at the time of TPN administration, would prevent gallstone formation in a high-risk group of patients with TPN.
METHODS: A prospective, randomized, blinded, controlled trial of neonates who were on a prolonged course of TPN for prematurity (25 infants), necrotizing enterocolitis (NEC, 8 infants), or abdominal surgery (5 infants) were selected randomly to receive CCK vs placebo. Patients remained on the study until taking more than 50% of energy enterally. Children were recalled between 2 and 4 years after completing TPN for ultrasonographic examination of their hepatobiliary tree.
RESULTS: Neonates (38 studied) required a mean (+/-SD) of 33 +/- 16 days of TPN. Cholelithiasis was detected in 4 (10%) infants. Cholecystokinin-octapeptide was not effective in preventing the formation of gallstones (3 stones in infants receiving CCK, P = .51). Diagnosis (P = .56), birth weight (P = .54), gestational age (P = .18), and duration of TPN (P = .53) did not correlate with gallstone formation. To address the management of these stones, all 4 were placed on a prolonged course of ursodeoxycholic acid (mean duration, 11.6 +/- 5.4 months). Two additional infants (not in the original study) with TPN-associated gallstone disease were also given a trial of ursodeoxycholic acid. Serial ultrasounds were performed every 6 months. No patient achieved any degree of stone dissolution. One patient underwent cholecystectomy for symptomatology.
CONCLUSIONS: Total parenteral nutrition-associated gallstones were detected in 10% of children, and most are nonsymptomatic. Cholecystokinin-octapeptide prophylaxis was not effective in preventing TPN-associated gallstones. In addition, the use of ursodeoxycholic acid did not dissolve gallstones, once identified. Future methods will be needed to address the prevention and treatment of these stones.
METHODS: A prospective, randomized, blinded, controlled trial of neonates who were on a prolonged course of TPN for prematurity (25 infants), necrotizing enterocolitis (NEC, 8 infants), or abdominal surgery (5 infants) were selected randomly to receive CCK vs placebo. Patients remained on the study until taking more than 50% of energy enterally. Children were recalled between 2 and 4 years after completing TPN for ultrasonographic examination of their hepatobiliary tree.
RESULTS: Neonates (38 studied) required a mean (+/-SD) of 33 +/- 16 days of TPN. Cholelithiasis was detected in 4 (10%) infants. Cholecystokinin-octapeptide was not effective in preventing the formation of gallstones (3 stones in infants receiving CCK, P = .51). Diagnosis (P = .56), birth weight (P = .54), gestational age (P = .18), and duration of TPN (P = .53) did not correlate with gallstone formation. To address the management of these stones, all 4 were placed on a prolonged course of ursodeoxycholic acid (mean duration, 11.6 +/- 5.4 months). Two additional infants (not in the original study) with TPN-associated gallstone disease were also given a trial of ursodeoxycholic acid. Serial ultrasounds were performed every 6 months. No patient achieved any degree of stone dissolution. One patient underwent cholecystectomy for symptomatology.
CONCLUSIONS: Total parenteral nutrition-associated gallstones were detected in 10% of children, and most are nonsymptomatic. Cholecystokinin-octapeptide prophylaxis was not effective in preventing TPN-associated gallstones. In addition, the use of ursodeoxycholic acid did not dissolve gallstones, once identified. Future methods will be needed to address the prevention and treatment of these stones.
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