Document Detail

Fecal calprotectin in very low birth weight infants.
MedLine Citation:
PMID:  17414135     Owner:  NLM     Status:  MEDLINE    
OBJECTIVES: To measure concentrations of fecal calprotectin (f-calprotectin) in infants with very low birth weight (VLBW; <1500 g) longitudinally and to describe changes in f-calprotectin in infants who develop severe abdominal disease. PATIENTS AND METHODS: The study included 59 VLBW infants. Seven patients (disease group) developed severe abdominal disease defined as necrotizing enterocolitis (NEC) or a condition leading to laparotomy. The remainder (n = 52) were considered reference infants and had a mean (+/-SD) gestational age of 27.2 +/- 2.6 weeks and a birth weight of 939 +/- 273 g. F-calprotectin was analyzed in meconium and weekly during postnatal weeks 1 to 8. In disease cases, more frequent samples were analyzed around the time of abdominal disease diagnosis. RESULTS: In reference infants the median (range) f-calprotectin level in meconium was 332 (12-9386) microg/g and correlated negatively to Apgar score. F-calprotectin in postmeconium samples was 253 (9-1867) microg/g and correlated positively to delivery by cesarean section, postnatal age, and volume of enteral feeds, and negatively to treatment with antibiotics and corticosteroids. In reference infants no postmeconium sample had f-calprotectin levels >2000 microg/g. In disease cases f-calprotectin was increased to >2000 microg/g in 3 cases of NEC and 1 case of covered perforation with microscopic bowel inflammation. In 1 case of NEC without microscopic bowel inflammation and 2 cases of focal intestinal perforation, f-calprotectin levels never exceeded 2000 microg/g. CONCLUSIONS: F-calprotectin concentrations in VLBW infants are similar to previously reported levels in healthy term and moderately preterm infants. An f-calprotectin level >2000 microg/g is a useful but not an early marker of NEC and other severe intestinal inflammatory conditions in VLBW infants.
Stina Josefsson; Susan K Bunn; Magnus Domellöf
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of pediatric gastroenterology and nutrition     Volume:  44     ISSN:  1536-4801     ISO Abbreviation:  J. Pediatr. Gastroenterol. Nutr.     Publication Date:  2007 Apr 
Date Detail:
Created Date:  2007-04-06     Completed Date:  2007-04-24     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8211545     Medline TA:  J Pediatr Gastroenterol Nutr     Country:  United States    
Other Details:
Languages:  eng     Pagination:  407-13     Citation Subset:  IM    
Department of Clinical Sciences, Paediatrics, Umeå University Hospital, Umeå, Sweden.
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MeSH Terms
Biological Markers / analysis
Enterocolitis, Necrotizing / diagnosis
Feces / chemistry*
Gastrointestinal Diseases / diagnosis*
Infant, Newborn
Infant, Very Low Birth Weight*
Leukocyte L1 Antigen Complex / analysis*
Meconium / chemistry
Reg. No./Substance:
0/Biological Markers; 0/Leukocyte L1 Antigen Complex

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