在PTCA后,痛的变化特征表明在不同的动脉上发生了狭窄,而不是静脉复缩
1Istituto di Cardiologia, Università Cattolica del S. Cuore, Rome, Italy.
Circulation
|December 13, 1997
概括
节疼痛位置的变化可能表明血管形成术 (PTCA) 后的冠状动脉狭窄. 不同的疼痛位置表明新的阻塞,而不是治疗动脉的复缩.
科学领域:
- 心脏病学 心脏病学
- 干预心脏病学 干预心脏病学
- 临床医学 临床医学
背景情况:
- 以前的研究将不同心脏病发作疼痛位置与多次心肌梗塞联系起来.
- 在同一区域发生两次心脏病发作的患者报告了类似的疼痛模式.
研究的目的:
- 为了确定是否改变了静脉疼痛的位置,可以识别穿皮冠状动脉血管塑性术 (PTCA) 后的新冠状动脉狭窄与静脉狭窄.
主要方法:
- 研究了38名患有PTCA后复发症状的单血管疾病患者.
- 冠状动脉动脉扫描证实了静脉缩 (n=26) 或新静脉缩 (n=12).
- 患者在重复血管造影之前报告了心房疼痛位置和辐射.
主要成果:
- 在疼痛位置和狭窄部位之间没有发现相关性.
- 患有静脉缩的患者在PTCA后从未报告过不同的疼痛位置 (0%),而新静脉缩的患者则为42% (P=.002).
- 不同的疼痛辐射发生在4%的静脉缩与50%的新静脉缩 (P=.002).
- 改变疼痛位置/辐射显示96%的特异性和58%的敏感性对新的狭窄.
结论:
- 不同的胸痛位置可能会区分新冠动脉狭窄与PTCA后的静脉狭窄.
- 心脏疼痛位置的变化可能标志着心肌新区域的缺血.
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