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Diabetes Care:LDL-C和HbA1c同时达标可带来多重获益

2014-01-27 佚名 不详

近期一项研究表明,同时实现LDL-C和HbA1c达标可为2型糖尿病患者带来明显的临床和经济获益。研究结果发表于10月刊《糖尿病护理》杂志。 研究简介 本项回顾性队列分析评估了2004年至2010年间测定低密度脂蛋白胆固醇(LDL-C)和糖化血红蛋白(HbA1c)2次或以上的成年2型糖尿病患者的电子病历(退伍军人综合服务网络16) .主要目的是评估与HbA1c和L

近期一项研究表明,同时实现LDL-C和HbA1c达标可为2型糖尿病患者带来明显的临床和经济获益。研究结果发表于10月刊《糖尿病护理》杂志。【原文下载】

研究简介

本项回顾性队列分析评估了2004年至2010年间测定低密度脂蛋白胆固醇(LDL-C)和糖化血红蛋白(HbA1c)2次或以上的成年2型糖尿病患者的电子病历(退伍军人综合服务网络16) .主要目的是评估与HbA1c和LDL-C均达标的患者与仅仅LDL胆固醇达标的患者相比,具有的临床和经济获益。作者还比较了两者均达标与仅A1c达标患者,两者达标与均未达标,任一指标达标与均未达标患者的的临床和经济结局。达标是指HbA1c<7%、LDL-C<100mg/dL.

临床结局是复合心血管终点(即,卒中、心肌梗死或心血管死亡),微血管终点(即,视网膜病、肾病或神经病变),急性冠状动脉综合征和心血管手术(例如,经皮冠状动脉介入治疗或冠状动脉冠状动脉旁路移植术)。研究者评估了首次临床事件发生时间,以达到控制目标作为时间依赖性变量,并控制了人口统计学和其他混杂因素。

患者的平均年龄为65岁,97%为男性,67%是白人。约35%的受试者LDL-C和HbA1c均达标,而22%仅LDL-C达标,25%仅HbA1c达标,19%均为达标。与仅有LDL-C达标相比,两者均达标显著降低微血管并发症、急性冠脉综合征、经皮冠状动脉介入治疗、冠状动脉旁路移植术的风险,但与心血管相关的复合终点无相关。与仅仅HbA1c达标的患者相比,两者达标患者的冠状动脉旁路移植术和复合心血管终点的风险较低。两个指标均达标、LDL-C或HbA1c达标与两者指标均未达标的患者相比,糖尿病相关的医疗服务成本显著降低。

观点

临床试验表明,严格的血糖控制不带来心血管获益,还可能造成危害,随后的观察性研究结果也显示,HbA1c和心血管疾病风险之间存在U型关系,这些发现对于高血糖的治疗而言产生了相当大的不确定性。由于糖尿病是一种多因素疾病,同时评价多种危险因素的影响是必不可少的,本研究的作者也是这样做的。不过,令人吃惊的是,对多重危险因素的研究很少,结果不一,所以本研究具有重要意义。

该研究结果与最近的一项瑞典研究记过即高血糖和高血脂对于冠状动脉心脏疾病的影响并无相加作用是一致的。不幸的是,研究人员并没有分析血压的控制情况。一项分析了血压控制情况的研究发现,HbA1c<7%时其作用相对不重要,虽然大部分患者均在8%以下。此外,在本研究的成本分析表明,LDL-C和HbA1c双重控制的成本低于控制其中一个指标或者两者均不控制,这表明控制多因素风险危险因素是值得的。

原文出处:

Shi L, Ye X, Lu M, Wu EQ, Sharma H, Thomason D, Fonseca VA.Clinical and economic benefits associated with the achievement of both HbA1c and LDL cholesterol goals in veterans with type 2 diabetes.Diabetes Care. 2013 Oct;36(10):3297-304. doi: 10.2337/dc13-0149. 【原文下载】

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    2014-04-10 Smile2680
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    2014-01-29 zhwj

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