血糖控制与右心室功能的关联通过二维斑点跟踪和三维心声扫描在2型糖尿病中进行评估
Yanting Zhang1, Yuman Li1, Yixia Lin1
1Department of Ultrasound Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Hubei Province Key Laboratory of Molecular Imaging, Wuhan, China.
概括
2型糖尿病 (T2DM) 中血糖控制不良与右心室 (RV) 功能受损有关. 在T2DM患者中,较高的HbA1c水平与更严重的亚临床RV心肌功能障碍相关.
科学领域:
- 心脏病学 心脏病学
- 内分泌学 在内分泌学.
- 糖尿病学 糖尿病学
背景情况:
- 在2型糖尿病 (T2DM) 中注意到右心室 (RV) 的参与.
- 在T2DM中,血糖控制和RV功能之间的确切关系尚未得到充分确立.
- 这项研究调查了T2DM个体的血糖控制和RV功能之间的关联.
研究的目的:
- 用先进的心声回声技术评估T2DM患者的RV功能.
- 为了确定血糖控制的影响,以HbA1c水平表示,对RV功能.
- 探索T2DM中低血糖控制和亚临床RV心肌功能障碍之间的联系.
主要方法:
- 预计将招募207名T2DM患者和84名对照组.
- 二型糖尿病患者分为受控 (HbA1c < 7.0%) 和不受控制 (HbA1c ≥ 7.0%) 的子组.
- 通过2D光斑追踪 (RVFWLS) 和3D心声回声 (RV体积,RVEF) 评估RV功能;评估RV合 (RVFWLS/PASP比率).
主要成果:
- 与对照组相比,T2DM两小组都显示RV功能受损 (减少RVFWLS,RVEF).
- 不受控制的T2DM表现出更明显的RVFWLS减少和更高的肺动脉静脉压 (PASP).
- HbA1c水平独立地与减少的RVFWLS和RVFWLS/PASP比率相关,表明功能障碍.
结论:
- 亚临床RV心肌功能障碍在T2DM患者中很普遍.
- 功能障碍在血糖不受控制 (HbA1c较高) 的个体中更为明显.
- 血糖控制是与T2DM的RV心肌健康相关的关键因素,这表明与糖尿病心肌病有联系.
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