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Prognostic significance of red blood cell distribution width in gastrointestinal disorders

World Journal of Gastroenterology 2017年第27期23卷 4879-4891页

作者： Hemant Goyal Giuseppe Lippi Altin Gjymishka bijo john Rajiv Chhabra Elizabeth May Department of Internal Medicine Mercer University School of Medicine Section of Clinical Biochemistry University of Verona Texas Digestive Disease Consultants Department of Gastroenterology Saint Luke’s HospitalSchool of MedicineUniversity of Missouri Kansas City Gastroenterology Attending Mc Laren Northern Hospital

The red blood cell distribution width(RDW) is a routinely measured and automatically reported blood parameter,which reflects the degree of anisocytosis. Recently,the baseline RDW was found to have clinical significance for assessing clinical outcome and severity of various pathological conditions including cardiovascular diseases,sepsis,cancers,leukemia,renal dysfunction and respiratory diseases. A myriad of factors,most of which ill-defined,have an impact on the red cell population dynamics(i.e.,production,maturation and turnover). A delay in the red blood cell clearance in pathological conditions represents one of the leading determinants of increased anisocytosis. Further study of RDW may reveal new insight into inflammation mechanisms. In this review,we specifically discuss the current literature about the association of RDW in various disease conditions involving the gastrointestinal and hepatobiliary systems. We also present some of the related measurements for their value in predicting clinical outcomes in such conditions. According to our data,RDW was found to be a valuable prognostic index in gastrointestinal disorders along with additional inflammatory biomarkers(i.e.,C reactive protein,erythrocyte sedimentation rate,and platelet count) and current disease severity indices used in clinical practice.

关键词： Red blood cell distribution width Hepatitis Pancreatitis Inflammatory bowel diseases Crohn’s disease Ulcerative colitis Colon cancer Hepatocellular carcinoma Acute mesenteric ischemia Gastrointestinal diseases

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