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Diabetes Care:严重肢体缺血患者血浆甲基乙二醛水平与截肢和死亡率相关

2020-11-06 MedSci原创 MedSci原创

血浆MGO水平与SLI不良预后相关。未来的研究应该调查针对MGO的疗法是否可以改善SLI的预后。

糖尿病是严重肢体缺血(SLI)的危险因素,这种疾病与高死亡率,发病率和肢体损失相关。反应性葡萄糖衍生的甲基乙二醛(MGO)是晚期糖基化终产物(AGEs)的主要前体,并且是血管疾病的潜在促进因素。近日,糖尿病领域权威杂志Diabetes Care上发表了一篇研究文章,研究人员旨在调查血浆MGO水平是否与SLI不良预后相关。

研究人员使用超高效液相色谱-串联质谱法在基线时对160例患者(64.8±13.3岁,男性67.5%,糖尿病37.5%)测定了血浆中MGO、游离AGEs和MGO终产物d-乳酸的水平。这些患者在5年的随访中记录到了主要不良结局(n=86,包括死亡n=53或截肢n=49)。对独立变量进行Ln转换后,通过线性或Cox回归分析数据,并针对性别、年龄、试验分组、糖尿病、估计的肾小球滤过率、收缩压、胆固醇水平和BMI进行了调整。根据血浆标志物变化每1个SD报告相关性。

血浆MGO水平升高与不良结局(相对风险为1.44;95%CI为1.11–1.86)和截肢(1.55;1.13–2.21)相关。对于死亡率,研究人员观察到相似但较弱的趋势(1.28;0.93-1.77)。MGO衍生的AGENε-(羧乙基)赖氨酸还与更多不良结局(1.46; 1.00–2.15)和截肢(1.71; 1.04–2.79)相关。d-乳酸与不良事件结局无关。较高的血浆MGO水平还与更多的炎症和白细胞以及更少的祖细胞有关。

由此可见,血浆MGO水平与SLI不良预后相关。未来的研究应该调查针对MGO的疗法是否可以改善SLI的预后。
 
原始出处:
 
Nordin M.J. Hanssen,et al.Plasma Methylglyoxal Levels Are Associated With Amputations and Mortality in Severe Limb Ischemia Patients With and Without Diabetes.Diabetes care.2020.https://doi.org/10.2337/dc20-0581

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    2021-09-24 智者为医08
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