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《Chinese Journal of Clinical Gastroenterology》 2020-02
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Analysis of risk factors of chronic anemia as the first manifestation in patients with gastric canceror colorectal cancer

CHENG Yu;TAN Shi-yun;LI Ming;MA Feng-mei;Department of Gastroenterology,Renmin Hospital of Wuhan University & Hubei Key Laborary of Digestive System Disease;  
[Objective]To investigate the risk factors in gastric cancer or colorectal cancer patients with chronic anemia as the first manifestation.[Methods]The clinical data of admitted gastric cancer or colorectal cancer patients with the primary symptom of chronic anemia were retrospectively collected from June 2015 to June 2018 in the Renmin Hospital of Wuhan University.The relationships among the sex,age,computed tomography(CT),tumor markers,and pathological features of the patients were analyzed by χ~(2 )test and logistic regression.[Results]①In the 72 cases patients present chronic anemia as the first manifestation,including 39 cases of gastric cancer(54.2%)and 33 cases of colorectal cancer(45.8%).The patients of gastric cancer with chronic anemia as the first manifestation were 25 males,14 females with average age(67.6±11.5)years;patients of colorectal cancer with chronic anemia as the first manifestation were 19 males and 14 females with average age(62.4±13.0)years.② χ~(2 )test showed that there was a significant difference in age,CT,pathological staging and occult blood in patients with chronic anemia in gastric cancer without obvious digestive tract symptoms(P0.05-0.01);there was a significant difference in tumor location,tumor size,fecal occult blood,serum CEA,and serum CA199 in patients with chronic anemia in colorectal cancer without obvious digestive tract symptoms(P0.05-0.01).③Two-class logistic regression analysis showed that age≥60 years old,CT positive,stage III/IV,stool occult blood positive had risk with chronic anemia in gastric cancer patients without obvious digestive tract symptoms;right colon,tumor diameter≥5 cm,stool occult blood positive,serum CEA negative,serum CA199 negative had high risk with chronic anemia in colorectal cancer patients without obvious digestive tract symptoms.[Conclusion]Age,computed tomography manifestations,pathological staging and stool occult blood are risk factors for chronic anemia in gastric cancer patients without obvious digestive tract symptoms;tumor location,tumor diameter,stool occult blood and tumor markers are risk factors for chronic anemia in colorectal cancer patients without obvious digestive tract symptoms,the possibility of digestive tract malignant tumors should be considered when patients are complicated with high risk factors.
【CateGory Index】: R556;R735.2;R735.34
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