完美的假肢/患者匹配:追求圣杯的追求
1Department of Cardiac Surgery, University of Michigan Medical School, Ann Arbor, MI, USA.
Annals of cardiothoracic surgery
|June 6, 2024
概括
在手术上更换大动脉 (SAVR) 中实现完美的假肢-患者匹配需要精确的门尺寸. 术前CT扫描和大动脉根扩大 (ARE) 改善了严重大动脉狭窄患者的治疗结果.
科学领域:
- 心血管外科心血管外科
- 生物医学工程 生物医学工程
- 心脏成像 - - 心脏成像
背景情况:
- 严重的大动脉狭窄 (AS) 与充血性心力衰竭 (CHF) 需要进行大动脉置换手术 (SAVR).
- "完美假肢-患者匹配"的概念于1978年引入,以优化门功能.
- 46年后,实现这种理想的匹配仍然是SAVR的一个关键目标.
研究的目的:
- 为了评估SAVR的当前门大小测量技术.
- 确定客观参数,以确定最佳的假肢-患者匹配.
- 评估大动脉根扩张 (ARE) 的必要性和安全性,以适应适当大小的门.
主要方法:
- 使用密歇根大学医学图书馆进行了全面的文献搜索.
- 包括的研究重点是SAVR,门大小,血液动力学性能 (HP),假肢患者不匹配 (PPM) 和大动脉根扩大 (ARE).
- 重点是随机试验,大型注册研究和元分析,不包括非英语文章,动物研究和门维修.
主要成果:
- 制造商标记的门尺寸 (MLVS) 和传统的尺寸仪并不准确地反映假体门的功能开口面积.
- 手术前的多探测器计算机断层扫描 (CT) 扫描提供了准确和可重复的大动脉尺寸测量,用于门大小.
- 将CT衍生的大动脉直径与假体的功能直径相匹配是实现最好的假体-患者匹配的关键.
结论:
- 目前的SAVR门大小测量方法不足以确保最佳的假肢-患者匹配.
- 建议进行手术前CT成像,以精确测量大动脉环和根部.
- 大动脉根扩大 (ARE) 是一种安全有效的程序,以促进正确尺寸的门的植入,从而改善假肢-患者匹配.
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