Bevezetés: A D-vitamin nemcsak a kalciumháztartásban játszik fontos szerepet, hanem immunológiai és sejtanyagcserét befolyásoló hatásokkal is bír. Gyulladásos bélbetegekben gyakrabban fordul elő D-vitamin-hiány, erről azonban hazai adat nem áll rendelkezésre. Célkitűzés: A szerzők gyulladásos bélbetegségben szenvedő betegek D-vitamin-szintjének felmérését tűzték ki célul. Módszer: 169 betegben az alapbetegség aktivitását, a csontanyagcserére vonatkozó laboratóriumi paramétereket és a D-vitamin szérumszintjét határozták meg. Eredmények: A betegek átlag-D-vitamin-szérumszintje 22,7±10,6 ng/ml volt. A betegek 20%-ában volt megfelelő a D-vitamin-ellátottság (>30 ng/ml), 52%-uknál D-vitamin-hiány (15–30 ng/ml), 28%-ánál pedig súlyos (<15 ng/ml) D-hipovitaminózis volt igazolható. Nem volt korreláció sem a klinikai aktivitási indexek (parciális Mayo-score: –0,143; Crohn-betegség-aktivitási index: –0,253), sem a laboratóriumi gyulladásos paraméterek (C-reaktív fehérje: r = 0,008; süllyedés: r = 0,012) és a D-vitamin-szint között. Következtetések: Gyulladásos bélbetegek D-vitamin-ellátottsága nem megfelelő. Bár a klinikai aktivitás és a D-vitamin-szint között nem találtak összefüggést, ajánlott a D-vitamin-szérumszint ellenőrzése, és szükség esetén pótlása. Orv. Hetil., 2013, 154(46), 1821–1828.
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