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机构地区:[1]首都医科大学附属北京友谊医院内分泌科,100050
出 处:《中国医药》2012年第9期1103-1104,共2页China Medicine
摘 要:目的探讨2型糖尿病心率变异性(HRV)各指数的变化,研究其与2型糖尿病患者视网膜病变的关系。方法190例确诊为2型糖尿病的住院患者,完全随机分为糖尿病无视网膜病变组(78例)、单纯型视网膜病变组(62例)、增殖型视网膜病变组(50例),3组患者用24h动态心电图测定HRV中SDNN(总体标准差)、SDANN(均值标准差)、SDNN指数(标准差平均值)、RMSSD(差值均方的平方根)、PNN50(爱丁堡指数)、LF/HF(低频与高频比),并进行比较。结果糖尿病无视网膜病变组SDNN为(125±30),SDANN为(114±27),SDNN指数为(49±9),RMSSD为(30±9),PNN50为(6±4),LF/HF为(2.7±1.7);单纯型视网膜病变组分别为(112±26)、(103±24)、(44±11)、(24±13)、(4±4)、(2.7±1.6);增殖型视网膜病变组分别为(92±22)、(82±22)、(33±9)、(19±10)、(2±3)、(2.6±1.7)。有视网膜病变组HRV各指数除LF/HF外均低于无视网膜病变组,差异均有统计学意义(均P〈0.05);增殖型视网膜病变组HRV各指数除LF/HF外均低于单纯型视网膜病变组,差异均有统计学意义(均P〈0.05)。结论2型糖尿病合并视网膜病变者心率变异指数下降。Objeetlve To investigate the changes of heart rate variability (HRV) and the relationship between HRV and retinopathy in type 2 diabetic patients. Methods One hundred and ninety type 2 diabetic patients (78 patients without retinopathy, 62 patients with simple diabetic retinopathy and 50 patients with proliferative diabetic retinopathy ) admitted to Beijing Friendship Hospital from Feb. 2010 to Feb. 2011 were included in our study. The parameters of HRV were evaluated by 24-hours dynamic electrocardiogram. Results Patients without retinopathy : SDNN : ( 125 ± 30 ) ; SDANN : ( 114 ± 27 ) ; SDNNI : ( 49 ± 9 ) ; RMSSD : ( 30 ± 9 ) ; PNN50 : ( 6 ± 4 ) ; LF/HF : ( 2. 7 ± 1.7 ) ; patients with simple diabetic retinopathy : SDNN : ( 112 ± 26 ) ; SDANN : ( 103 ±24) ;SDNNI: (44 ± 11 ) ;RMSSD: (24 ± 13) ; PNN50 : (4 ±4) ; LF/HF: (2.7 ± 1.6) ;patients with proliferative diabetic retinopathy : SDNN : ( 92 ± 22) ; SDANN : ( 82 ± 22 ) ; SDNNI : ( 33 ± 9 ) ; RMSSD : ( 19 ± 10 ) ; PNN50 : ( 2 ± 3) ;LF/HF: (2. 6 ± 1.7) ;The SDNN, SDANN, SDNNI, RMSSD, PNN50 in patients with SDR were much lower than that of the patients without retinopathy ( P 〈 0. 05 ). The SDNN, SDANN, SDNNI, RMSSD, PNN50 in patients with PDR were lower than those in patients with SDR and the patients without retinopathy ( P 〈 0.05 ) ± Conclusion HRV decrease for retinopathy in patients with type-2 diabetes mellitus.
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