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Objective: To determine the prevalence and predictors of abnormal liver enzyme levels in ambulatory young women with anorexia nervosa (AN)., Study Design: In this cross-sectional study of 53 females with AN, serum concentrations of liver enzymes and hormones were measured. Anthropometric, dietary, and body composition information was collected. Correlational analyses were performed between liver enzyme concentrations and these variables., Results: Elevated alanine aminotransferase (ALT) and gamma-glutamyl transpeptidase (GGT) levels were found in 14 subjects (26%) and 5 subjects (9%), respectively. ALT and GGT were inversely correlated with body mass index (r = -0.27 to -0.30, P < .049) and percentage body fat (r = -0.36 to -0.47, P < .007) but showed no relationship with lean body mass. Subjects with percentage body fat < 18% had higher ALT levels than those above this threshold (median 26.5 vs 18.0 U/L, P = .01). Liver enzyme concentrations did not correlate with dietary variables, except for GGT and percentage of calories from protein (r = 0.28, P = .04)., Conclusions: Serum ALT and GGT concentrations are inversely related to adiposity in young women with AN. Future studies are needed to determine whether these liver enzyme elevations signify unrecognized, clinically relevant liver disease.

Objective: The present study aimed to evaluate serum liver enzymes in underweight outpatients with anorexia nervosa (A-NERV) or eating disorders not otherwise specified (EDNOS)., Method: Serum alanine amino transferase (ALT), aspartate amino transferase (AST), lactic dehydrogenase (LDH), gamma glutamyl transferase (GGT), alkaline phosphatase (ALP), and cholinesterase (CHE) were determined in 97 patients with A-NERV, 66 patients with EDNOS, and 56 controls., Results: In the A-NERV group AST, LDH, and GGT were higher, as compared with controls, and inversely related to weight, while ALP and CHE were lower. AST and GGT increased and CHE decreased in patients with EDNOS. Hypertransaminasemia occurred in 14.4 and 15.2%, and low CHE in 29.9% of the A-NERV group and 13.6% and EDNOS group, respectively. Three or more abnormalities were found in 9.3% of patients with A-NERV and 7.5% of those with EDNOS., Conclusion: Abnormalities in serum liver enzymes are common in outpatients with eating disorders plus underweight. CHE might be considered as a marker of the effects of primary malnutrition on liver function., ((c) 2007 by Wiley Periodicals, Inc.)

Nervous anorexia in advanced stage causes a generalized deterioration of organs' and apparatuses' functions. In particular, well-known are disorders of both CNS and PNS, changes of the haematic crasis and worsening of the metabolic-endocrine axis. Less well-known, however, is the compromission of function. Analysis of the data obtained in this trial points out a statistically significant correlation between the loss of weight and the variation of level of some liver enzymes (SGPT, SGOT, LDH). These indexes of hepatic necrosis in our opinion, can therefore, be regarded as sound markers not only for a more careful evaluation of the clinical evolution of the anorexic patient, but also for a better monitoring of the effectiveness of diet therapy.