心声学在检测糖尿病患者左心室功能障碍中的作用:临床和生化视角
Chandu Siripuram1, K Balu Mahendran2, Shreelaxmi V Hegde3
1Department of Community Medicine, Geisinger Community Medical Center, Scranton, USA.
Cureus
|March 11, 2025
概括
心声学可以有效地检测糖尿病患者的早期左心室功能障碍 (LVD),甚至在症状出现之前. 建议对糖尿病持续时间较长,血糖控制不佳或炎症标志物升高的人进行常规查,以预防糖尿病心肌病.
科学领域:
- 心脏病学 心脏病学
- 内分泌学 在内分泌学.
- 医疗成像医学成像
背景情况:
- 糖尿病 (DM) 显著增加左心室功能障碍 (LVD) 的风险,这是心力衰竭的前体.
- 心声学提供了一种非侵入性方法来评估左心室 (LV) 功能,这对于糖尿病患者的早期检测至关重要.
- 糖尿病患者因高血糖,胰岛素抵抗和炎症而面临较高的LVD风险,导致心肌纤维化和氧化应激.
研究的目的:
- 评估心声回声学在糖尿病患者中识别亚临床和明显LVD的有效性.
- 在糖尿病人群中探索与LVD相关的临床和生化因素.
主要方法:
- 一项观察性队列研究,涉及500名糖尿病患者 (30-70岁),样本大小由功率计算确定.
- 参与者接受了临床评估,生化分析 (禁食葡萄糖,HbA1c,脂质概况,hs-CRP) 和心声扫描 (LVEF,腹功能,LV质量指数).
- 数据分析使用了描述性统计,相关性和多变量后勤回归,并根据主要的人口和临床变量进行调整.
主要成果:
- 28%的参与者患有扩张性功能障碍,18%的参与者观察到LVEF降低 (<50%).
- 与正常 LV 功能患者相比,患有 LVD 的患者表现出更差的血糖控制和更高的全身炎症 (hs-CRP).
- 多变量分析发现,低血糖控制和全身炎症是LVD的显著预测因素;年龄较大和糖尿病持续时间较长与增加的LV质量和扩张功能障碍相关.
结论:
- 声心图对于在无症状糖尿病患者中早期检测LVD至关重要,特别是那些糖尿病持续时间≥10年,HbA1c>7%或hs-CRP升高的糖尿病患者.
- 对于高风险的糖尿病患者,建议至少每年进行一次例行心声检查.
- 管理血糖和脂质概况,通过药理和生活方式干预减少炎症,并将心声回声学纳入日常护理,对于减轻糖尿病心肌病症和改善心血管结果至关重要.
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