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  • Title: [Effects of immune modulation therapy on cardiac function in aged patients with chronic heart failure].
    Author: Cao XJ, Li YF, Cao FF, Shi ST, Wang G, Zhang LJ, Liu F.
    Journal: Zhonghua Xin Xue Guan Bing Za Zhi; 2010 Aug; 38(8):734-8. PubMed ID: 21055143.
    Abstract:
    OBJECTIVE: To investigate the effect of immune modulation therapy on cardiac function and lymphocyte subsets in aged patients with chronic heart failure (CHF). METHODS: CHF (NYHA classification: II-IV) patients older than 60 years were randomly divided into two groups: CHF intervention group received regular therapy and thymopetide (2 mg/day i.m. for 75 days, n = 48), CHF control group received regular therapy (n = 48), 45 healthy individuals older than 60 years served as normal control. Left ventricular ejection faction of (LVEF), inner diameter of left ventricular end-diastole (LVEDD), inner diameter of left ventricular end-systole (LVESD), lymphocyte subsets, plasma high sensitive C-reactive protein (hsCRP), plasma brain natrium peptide (BNP) and 6 minutes walking distance (6MWT) were measured at before therapy, after the first course (15 days) of treatment and after the third course of treatment (75 days). RESULTS: (1) Before therapy, the levels of BNP, hsCRP, CD8 T cells, LVEDD and LVESD were significantly higher and the levels of CD3, CD4, CD19 T cells, NK, CD4/CD8 ratio, LVEF and 6MWT were significantly lower in CHF patients compared to compared normal controls (all P < 0.05). These parameters were similar between CHF intervention group and CHF control group. (2) At 15 days, the levels of CD3, CD4, CD19 T cells and NK were significantly increased (P < 0.05 or P < 0.01) while the level of CD8, BNP and hsCRP were significantly decreased (P < 0.05 or P < 0.01) in CHF intervention group compared with CHF control group. (3) At 75 days, the levels of CD3, CD4, CD19 T cells, NK, CD4/CD8, LVEF and 6MWT were significantly increased (P < 0.05 or P < 0.01) while the levels of CD8, BNP, hsCRP and Minnesota Living with Heart Failure Questionnaire (MLHFQ) were significantly decreased (P < 0.05 or P < 0.01) in CHF intervention group compared with CHF control group. CONCLUSION: Thymopetide, an immune modulating agent, might regulate the quantity and proportion of lymphocyte subsets and improve cardiac function in aged patients with CHF, indicating that immune modulation therapy might be a new treatment strategy for aged CHF patients.
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