KARACİĞER VE GASTROİNTESTİNAL SİSTEM HASTALIKLARINDA SER UM C VİTAMİNİ, Beta -KAROTEN VE RETİNOL DÜZEYLERİ

Gastroindestinal sistem hastalıkları dünya çapında önemli morbitide ve mortalite nedenleridir. Antioksidan özelliğe sahip vitamin C, b- karoten ve retinol, gastrointestinal sistem hastalıkla rı ve kanserle rde lipid peroksidasyonu ve serbest radikal gelişiminin önlenmesinde önemli role sahiptir. Bu ça lış manın amac ı, antioksidan özelliğe sahip vitamin C, b-karoten ve retinolün serum düzeyleriyle ülser, siroz, özefagus ve mide kanser hastalıkları arasındaki ilişkiyi değerlendirmektir. Çalışmada  35 ülserli, 40   özefagus   kanserli,  30   mide   kanserli, 25 karac iğer siro zlu hasta ile 50 sağlıklı birey serumlarında, C vitamini, b-karoten ve retinol düzeyleri                           değerlendirildi.             Vitaminler spektrofotometrik olarak analiz edildi. Hasta gruplarının serum C vitamini düzeylerinin kontrol grubu ile karşılaştırılmasında, ülserli hastalarda azalma ve özofagus kanserli hastalarda artış istatistiksel olara k an la mlıydı (p<0.05). Mide kanseri ve sirozlu hasta vitamin C düzeylerinde istatistik olara k bir fark bulunamadı (p>0.05). b-karoten ve retinol düzeyleri, ülserli hastalarda yüksek, özefagus ve sirozlu hastalarda düşük olarak saptandı (p<0.05). Mide kanserli hastalarda serum b- karoten ve retinol düzeylerinde istatistik anlam yoktu (p>0.05). Özefagus-mide kanserlerinde ve karaciğer sirozunda b-karoten ve retinol önemli oranda azaldı, C vitamini ise yükseldi. Sonuç olarak bu çalışmadan elde edilen verilerin antioksidan ajanların diyette yer almasının bu hastalıkla rın önlen mesi ve ilerle mesin in durdurulmasında koruyucu rol üstlenebileceğine dair açısından yararlı bilg iler sunacağı kanaatine varıld ı.

Serum vitamin C, Beta-carotene and retinol levels in liver and gastrointestinal systems diseases

Gastrointestinal system diseases are important causes of morbidity and mortality worldwide. Vita min C, b-carotene and retinol, which have antioxidant properties, play an important role in the prevention of lipid peroxidation and free radical development in diseases of the gastrointestinal tract and cancers. The aim of this study was to evaluate the relationship between serum levels of vitamin C, b-carotene and retinol with ulcers, cirrhosis, esophagus and stomach cancer diseases. In this study, vitamin C, b- carotene and retinol levels were evaluated in the serum of 35 ulcers, 40 esophageal cancer, 30 gastric cancer, 25 liver cirrhosis patients and 50 healthy individuals. Vita mins were analyzed spectrophotometrically. Comparison of serum vitamin C levels of the patient groups with the control group, shows a statistically significant decrease in ulcerative patients and increase in esophageal cancer patients (p<0.05). No statistically significant difference was found in vitamin C levels in patients with gastric cancer and cirrhosis (p>0.05). b-carotene and retinol levels were high in patients with ulcers, lower in patients with esophagus and cirrhosis (p<0.05). Serum b-carotene and retinol levels were not statistically significant in patients with gastric cancer (p>0.05). b-carotene and retinol decreased significantly in the esophagus-stomach cancers and liver cirrhosis whereas an increase in vitamin C was observed. We believe that our research will provide useful information for incorporating antioxidant agents into the  diet. For this purpose, diets rich in antioxidant vitamins can play a protective role in the prevention and progression of these diseases.

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