Scandinavian journal of gastroenterology · 2016
Decrease of serum total ghrelin in extensive atrophic gastritis: comparison with pepsinogens in histological reference.
Сравнительное исследованиеСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Eun Bae Suh, Hoon Lee Jeong, Soo Park Young, Ok Kim Seon, Young Choi Ji, Yong Ahn Ji, Hoon Kim Do, Don Choi Kee, June Song Ho, Hyug Lee Gin, Choe Jaewon, Jin Jang Se, Jung Hwoon-Yong
Аннотация
OBJECTIVE: Ghrelin is mainly secreted by the gastric oxyntic mucosa and its production is impaired in chronic atrophic gastritis. This study aimed at evaluating how serum total ghrelin correlates with the extent of atrophy, and to compare its performance as a serologic marker with that of pepsinogen (PG).
MATERIAL AND METHODS: Data were collected from 154 patients with atrophic gastritis. The histological extent of atrophy was assessed by three paired biopsies from the antrum, corpus lesser curvature (CLC), and corpus greater curvature (CGC). Fasting serum concentrations of total ghrelin, pepsinogen I and II were measured. Regression analysis was performed to evaluate the factors associated with serum total ghrelin. The serologic performance was compared with that of pepsinogen using receiver-operating characteristic (ROC) curves.
RESULTS: The Helicobacter pylori infection rate was 85%, and extensive atrophic gastritis involving CGC was found in 24%. Serum total ghrelin was significantly decreased in patients with extensive CGC atrophy (median: 170.4 pg/mL, vs 201.1 pg/mL in patients without atrophy; p < 0.001), and its levels correlated with those of pepsinogen I and I/II ratio. The decrease of serum total ghrelin was independent of age, gender, body mass index (BMI), and H. pylori infection status. The sensitivity and specificity of serum total ghrelin in predicting extensive atrophy were 57% and 79%, respectively. The discriminatory ability was similar to that of pepsinogen I/II ratio (p = 0.612), and lower than that of pepsinogen I (p = 0.040).
CONCLUSIONS: Serum total ghrelin is decreased during extensive atrophy involving CGC. The serologic performance is lower than that of pepsinogen I.
MATERIAL AND METHODS: Data were collected from 154 patients with atrophic gastritis. The histological extent of atrophy was assessed by three paired biopsies from the antrum, corpus lesser curvature (CLC), and corpus greater curvature (CGC). Fasting serum concentrations of total ghrelin, pepsinogen I and II were measured. Regression analysis was performed to evaluate the factors associated with serum total ghrelin. The serologic performance was compared with that of pepsinogen using receiver-operating characteristic (ROC) curves.
RESULTS: The Helicobacter pylori infection rate was 85%, and extensive atrophic gastritis involving CGC was found in 24%. Serum total ghrelin was significantly decreased in patients with extensive CGC atrophy (median: 170.4 pg/mL, vs 201.1 pg/mL in patients without atrophy; p < 0.001), and its levels correlated with those of pepsinogen I and I/II ratio. The decrease of serum total ghrelin was independent of age, gender, body mass index (BMI), and H. pylori infection status. The sensitivity and specificity of serum total ghrelin in predicting extensive atrophy were 57% and 79%, respectively. The discriminatory ability was similar to that of pepsinogen I/II ratio (p = 0.612), and lower than that of pepsinogen I (p = 0.040).
CONCLUSIONS: Serum total ghrelin is decreased during extensive atrophy involving CGC. The serologic performance is lower than that of pepsinogen I.