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           parameters by TG/HDL-C ratio are also rare. Objective To explore the association of fasting TG/HDL-C ratio with brachial-
           ankle pulse wave velocity(ba-PWV)in essential hypertensive patients based on analyzing these patients' clinical features,
           ambulatory blood pressure and ba-PWV. Methods A total of 439 essential hypertension patients(aged 18-80 years)were
           recruited from Hypertension Department,Beijing Anzhen Hospital,Capital Medical University from August 2014 to December
           2015. Data were collected,including sex,age and medical history(diabetes history,hyperlipidemia history,smoking status,
           drinking status),height,weight,BMI,serum creatinine,total cholesterol,TG,LDL-C,HDL-C,serum uric acid,
           fasting blood glucose,calculated TG/HDL-C ratio,24 h ambulatory blood pressure parameters〔mean systolic blood pressure
           (SBP),diastolic blood pressure(DBP)and heart rate in 24 h,in the daytime and at the nighttime,prevalence of nocturnal
           fall in SBP and DBP,and dipper blood pressure pattern〕 during hospitalization,and mean heart rate. Arterial stiffness was
           assessed by ba-PWV. The above-mentioned indicators were compared between lower(n=219)and higher quantile groups(n=220)
           divided by TG/HDL-C ratio. The influencing factors of ba-PWV were investigated by multiple linear regression analysis. Results
            (1)Higher quantile group had higher male proportion,higher prevalence of hyperlipidemia and smokers,higher mean
           BMI,serum creatinine,total cholesterol,TG,serum uric acid,and fasting blood glucose,as well as lower men age,and
           HDL-C than lower quantile group(P<0.05).(2)Higher quantile group had higher mean 24-hour SBP and DBP,daytime
           SBP and DBP,nighttime SBP and DBP,nighttime heart rate and ba-PWV,and lower prevalence of nocturnal fall in SBP and
           DBP,and dippers than lower quantile group (P<0.05). (3)Multiple linear regression analysis showed that,age〔β=12.35,
           95%CI(10.307,14.401)〕,fasting blood glucose〔β=20.69,95%CI(1.532,39.854)〕,TG/HDL-C ratio〔β=20.99,
           95%CI(6.176,35.810)〕 and 24 hour mean SBP〔β=7.57,95%CI(5.656,9.493)〕 were associated with ba-PWV(P<0.05).
           Conclusion In essential hypertension patients,elevated 24-hour SBP and DBP were found in those with higher TG/HDL-C
           ratio,and TG/HDL-C ratio may be independently associated with ba-PWV. Monitoring TG/HDL-C ratio helps early detection of
           arteriosclerosis and elevated blood pressure,promoting comprehensive management of cardiovascular risk factors.
               【Key words】 Essential hypertension;Triglyceride;Cholesterol,HDL;Ambulatory blood pressure monitoring;
           Brachial-ankle pulse wave velocity;Correlation of data


               早期发现心血管疾病危险因素对预防心血管疾病                            本研究已知内容:
           发生及降低死亡率具有重要的意义。高的低密度脂蛋                                  三酰甘油(TG)/ 高密度脂蛋白胆固醇(HDL-C)
           白胆固醇(LDL-C)水平、低的高密度脂蛋白胆固醇
                                                                比值容易获得,可更好地预测不良心血管事件的发生,
           (HDL-C)水平以及高甘油三酯血症是心血管疾病的主
                                                                可更好地反映脂质组分之间的相互作用,可以作为胰
           要危险因素,LDL-C 和 HDL-C 的比值(LDL-C/HDL-C                  岛素抵抗的稳态模型评估的替代指标。
           比值)更是预测冠心病的经典脂质指标                  [1] 。但一些研
                                                                本研究新发现:
           究表明空腹三酰甘油(TG)和 HDL-C 的比值(TG/HDL-C                        (1)原发性高血压患者年龄越大、24 h 平均收
           比值)可以更好地反映脂质组分之间的相互作用                      [2] 。
                                                                缩压越高、空腹血糖水平越高、TG/HDL-C 比值越大,
           有 研 究 发 现,TG/HDL-C 比 值 与 LDL-C 水 平 呈 正 相
           关 [3] 。有研究已经证实在健康人群和高危人群中,                           臂踝脉搏波速度(ba-PWV)越高;(2)TG/HDL-C
                                                                比值与 ba-PWV 存在独立关联性,可以反映早期动脉
           TG/HDL-C 比值升高是不良心血管事件发生的独立预测
           因子  [4-5] ,TG/HDL- C 比值可以比单一的脂质指标或                   硬化情况;(3)TG/HDL-C 比值可反映高血压人群
                                                                的动态血压情况。
           LDL-C/HDL- C 比值更好地预测不良心血管事件的发
           生 [6-8] 。在中年时期,心血管代谢异常可以增加终生                        组患者动态血压参数特点的研究也较少。因此,本研究
           心血管疾病及死亡的风险           [9] ,与心血管代谢风险相关               回顾了不同 TG/HDL-C 比值原发性高血压患者的动态血
           的因素主要为胰岛素抵抗及高胰岛素血症                  [10] 。近期的       压变化情况及臂踝脉搏波速度(ba-PWV),分析不同
           研究证实,TG/HDL-C 比值可以作为高胰岛素 - 正葡                       TG/HDL-C 比值患者血压特点,并构建多元线性回归模
           萄糖钳夹试验和胰岛素抵抗的稳态模型评估的替代指                             型分析 TG/HDL-C 比值与 ba-PWV 的相关性。
           标 [11-12] ,可以有效评估胰岛素抵抗状态。胰岛素抵抗                      1 对象与方法
           不仅是动脉硬化的独立危险因素,而且参与高血压的发                            1.1 研究对象 采用回顾性研究,选取 2014 年 8 月至
           生 [13] 。关于 TG/HDL-C 比值与动脉硬化之间的临床研                   2015 年 12 月首都医科大学附属北京安贞医院高血压科
           究证据较少,且已有研究的人群为健康人群                   [14-16] 或糖    病房的原发性高血压患者 439 例,其中男 267 例、女
           尿病人群    [17] ,关于 TG/HDL-C 比值在高血压人群中评                172 例,合并 2 型糖尿病 131 例、合并高脂血症 350
           估动脉硬化的临床研究较少。描述不同 TG/HDL-C 比值                       例。诊断标准:原发性高血压符合《中国高血压防治指
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