Objective To explore the change in nutritional status pre-and post-chemotherapy on the digestive system carcinoma patients.Methods The data of 1 14 cases with digestive cancer were divided into two groups by gender,by age into three groups,young group,middle age group and elderly group,by disease stage into Ⅱ stage,Ⅲstage and Ⅳ stage group.Through anthropometric method and laboratory tests,the patients were monitored in triceps skinfold (TSF),ideal body mass (BW%),body mass index (BMI),hemoglobin (HGB),serum albumin (ALB), prealbumin (PA)and total lymphocyte count (TLC)pre-and post-chemotherapy with simple nutritional evaluation in different gender,different age groups and different disease stage groups.Results The gender showed no statistic significance in malnutrition rates (P > 0.05 ),with age increase,the malnutrition rates raised significantly after chemotherapy (P 0.05)；随着年龄增长化疗后营养不良发生率明显增高(P <0.05)；随分期的增高营养不良发生率明显增高(P <0.05)。结论①TSF 和 TLC 是相对较敏感指标，可以作为患者化疗前后营养不良评价指标；②化疗毒性对性别无选择性；③老年患者及病期较晚的患者对化疗的耐受性差，较中、青年患者及早期患者更易发生营养不良；④用 TSF 法评定为营养不良患者与 ALB、PA 及 TLC 评价结果的符合率较高，而与 HGB 评价结果符合率相对较低。
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