The effects of enteral stimulation on gallbladder bile during total parenteral nutrition in the neonatal piglet.

Abstract:

:The neonatal piglet is a satisfactory model for the human neonate requiring total parenteral nutrition (TPN). Bile status and subsequent liver and gallbladder dysfunction have long been documented as serious complications of long-term TPN. The purpose of this study was to determine whether small amounts of enteral formula during TPN will maintain normal bile appearance and composition. Thirty-one Hanford miniswine, 3 to 6 days old underwent surgery for the placement of central venous catheters. Two days postoperatively, the animals were separated into three groups, according to dietary regimens. Group 1 (n = 10), the control group, received pig formula (SPF-lac) orally (200 cal/kg/d); group 2 (n = 11), was maintained on TPN (180 cal/kg/d) with an enteral supplement of SPF-lac (20 cal/kg/d); group 3 (n = 10), was maintained on TPN only (200 cal/kg/d). The TPN formula consisted of 35 g/kg/d of glucose, 10 g/kg/d of protein, and 3 g/kg/d of lipid. The animals were maintained on these diets for 6 weeks. At necropsy, gallbladder with bile was weighed and bile volume and appearance was recorded. Chemical analyses was performed on 26 bile samples. Gallbladder weight was significantly decreased in groups 2 and 3 compared with group 1 (P less than .0003, P less than .033, respectively, using Students t test with Bonferoni adjustment). Volume was significantly decreased only in group 2 (P less than .003). Group differentiation in relation to bile appearance was determined by the presence or absence of either bile sludge or crystals.(ABSTRACT TRUNCATED AT 250 WORDS)

journal_name

J Pediatr Surg

authors

Cohen IT,Meunier KM,Hirsh MP

doi

10.1016/s0022-3468(05)80184-8

subject

Has Abstract

pub_date

1990-01-01 00:00:00

pages

163-7

issue

1

eissn

0022-3468

issn

1531-5037

pii

S0022346890000021

journal_volume

25

pub_type

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