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目的观察后扩张在老年患者冠状动脉钙化病变经皮冠状动脉介入治疗(PCI)术中应用的疗效和安全性。方法选择PCI血管造影成功的老年钙化病变患者124例,随机分为后扩张组62例和常规置入对照组62例,观察两组患者PCI术中并发症发生率及住院期间及术后1 a支架内血栓、再狭窄和主要不良心脏事件(MACE)发生率。结果后扩张组和常规植入组患者PCI术中并发症发生率两组间比较无统计学差异(6.5%、4.8%,P>0.05);1 a时的随访结果显示,后扩张组的主要不良心血管(MACE)事件发生率较对照组降低(4.8%、12.9%,P<0.05);支架内血栓和支架内再狭窄发生率较常规置入组均明显减少(1.6%、4.8%;4.4%、14.3%,P<0.05),差异有显著意义。结论在老年钙化病变患者PCI术中应用后扩张治疗安全、有效,能够降低支架内血栓、再狭窄和MACE发生率。
Objective To observe the effect and safety of post-dilatation in the elderly patients with coronary artery calcification with percutaneous coronary intervention (PCI). Methods A total of 124 elderly patients with calcified calcification undergoing PCI underwent angiographic coronary angiography were randomly divided into post-dilatation group (n = 62) and conventional control group (n = 62). The incidence of complications and the incidence of postoperative complications Stent thrombosis, restenosis, and major adverse cardiac events (MACE). Results There was no significant difference in the incidence of complications after PCI between the two groups (6.5%, 4.8%, P> 0.05). The follow-up results at 1 year showed that the main post-dilatation group The incidence of adverse cardiovascular events (MACE) was lower than that of the control group (4.8%, 12.9%, P <0.05). The incidence of stent thrombosis and in-stent restenosis was significantly lower than that of the control group (1.6%, 4.8% 4.4%, 14.3%, P <0.05), the difference was significant. Conclusion The application of post-dilatation in the treatment of elderly patients with calcified lesions is safe and effective and can reduce the incidence of thrombosis, restenosis and MACE in the elderly.