Leptin and Endocrine Parameters in Girls with Mental Anorexia
Leptín a endokrinné parametre u dievčat s mentálnou anorexiou
Úvod:
Leptín je dôležitý článok v regulácii telesnej hmotnosti. So zvýšením tukového tkaniva sa zvyšuje ajtvorba leptínu, ktorá za fyziologických okolností znižuje príjem energie a zvyšuje jej výdaj. Kritický pokleshmotnosti pri mentálnej anorexii (MA) je spojený s poklesom leptinémie. Presné mechanizmy, ktoré regulujúhladinu leptínu, nie sú známe.Cieľ: Charakterizovať vzťah leptinémie k indexom telesnej hmotnosti ako aj k iným hormonálnym parametromu pacientok s mentálnou anorexiou.Pacienti a metódy: U 14 dievčat s MA na začiatku ochorenia (priemerný vek 15,47 ± 0,50 roka), po čiastočnomterapeutickom zlepšení (priemerný vek 15,71 ± 0,53 roka) a u 15 zdravých dievčat (priemerný vek 14,41 ± 0,52 roka)autori hodnotili indexy telesnej hmotnosti - % odchýlky od ideálnej hmotnosti pre daný vek a výšku, body massindex (BMI), násobok smerodajnej odchýlky BMI pre príslušný vek - a hodnoty leptínu v plazme. U pacientoksMA boli odobraté aj vzorky krvi na vyšetrenie trijódtyronínu, tyroxínu, tyreotropného hormónu, luteinizačnéhohormónu, folikuly-stimulujúceho hormónu, estradiolu, progesterónu, dehydroepiandrosterón-sulfátu a testosterónu.Výsledky: Antropometrické parametre a hladiny leptínu boli u MA na začiatku ochorenia nízke a po čiastočnomzlepšení klinického stavu významne stúpli, no stále zaostávali od hodnôt v kontrolnej skupine (deficithmotnosti -27,14 ± 2,10 % vs. -10,57 ± 3,42 %, vs. 2,77 ± 2,03 %, p
Klíčová slova:
leptín, mentálna anorexia, BMI, deficit hmotnosti, endokrinné parametre
Authors:
Ľ. Tichá 1; L. Kovács 2; E. Tomečková 3; J. Hornová 1; J. Birčák 1; Benedekovám. 1
Authors‘ workplace:
1. detská klinika Detskej fakultnej nemocnice a Lekárskej fakulty UK, Bratislava1 prednostka doc. MUDr. M. Benedeková, PhD. 2. detská klinika Detskej fakultnej nemocnice a Lekárskej fakulty UK, Bratislava2prednosta prof. MUDr. L. Kovács, DrSc. Oddelenie k
Published in:
Čes-slov Pediat 2003; (10): 621-627.
Category:
Overview
Introduction:
Leptin is an important link in the regulation of body mass. An increase in fatty tissue isaccompanied by increased formation of leptin, which, under physiological conditions, decreases input of energyand increases its output. A critical decrease of body mass in mental anorexia (MA) is connected with decreasedleptinemia. Precise mechanisms controlling leptin level are not known.Aim: To characterize the relation of leptinemia to the indices of body mass as well as to other hormonalparameters in female patients with mental anorexia. Patients and methods: In 14 girls with MA at the beginning of the disease (mean age 15.47 ± 0.50 years), thoseafter a partial therapeutic improvement (mean age 15.71 ± 0.53 years) and in 15 healthy girls (mean age 14.41 ±0.52 years) the authors evaluated indices of body mass: % deviation from ideal body mass for the given age andheight, body mass index (BMI), a multiple of standard deviation for the pertinent age - and the plasma level ofleptin. In the patients with MA, samples of blood were taken for the determination of triiodotyronine, thyroxine,thyreotropic hormone, luteinizing hormone, follicle-stimulating hormone, estradiol, progesterone, dehydroepiandrosterone-sulfate and testosterone.Results: Anthropometric parameters and leptin levels in subjects with MA were low at the beginning of thedisease and increased significantly after a partial improvement of the clinical condition, but were still laggingbehind values in the control group (body mass deficit -27.12 ± 2.10% vs. -10.57 ± 3.42%, vs. 2.77 ± 2.03%, P
Key words:
leptin, mental anorexia, BMI, body mass deficit, endocrine parameters
Labels
Neonatology Paediatrics General practitioner for children and adolescentsArticle was published in
Czech-Slovak Pediatrics
2003 Issue 10
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