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澳大利亚经皮冠状动脉介入治疗实践的最新趋势:来自墨尔本介入治疗组登记处的见解。

Recent trends in Australian percutaneous coronary intervention practice: insights from the Melbourne Interventional Group registry.

机构信息

Chinese University of Hong Kong, Hong Kong.

出版信息

Med J Aust. 2011 Aug 1;195(3):122-7. doi: 10.5694/j.1326-5377.2011.tb03238.x.

DOI:10.5694/j.1326-5377.2011.tb03238.x
PMID:21806529
Abstract

OBJECTIVE

To evaluate percutaneous coronary intervention (PCI) practice trends and 12-month outcomes in Australia in the era of drug-eluting stents (DES).

DESIGN, SETTING AND PATIENTS: Prospective study of consecutive patients undergoing 9204 PCIs between 1 April 2004 and 31 March 2008 at seven Victorian public hospitals.

MAIN OUTCOME MEASURES

Temporal trends in baseline characteristics and in-hospital and 12-month clinical outcomes including death, myocardial infarction (MI), target vessel revascularisation (TVR) and composite major adverse cardiac events (MACE), from year to year.

RESULTS

Between 2004-2005 and 2007-2008, the mean age of patients undergoing PCI was stable (65 ± 12 years), and comorbidities such as hypertension, hyperlipidaemia, peripheral arterial disease and stroke increased (P < 0.05). There were fewer elective and more urgent PCIs, especially for MI < 24 hours (17.6% in 2004-2005 to 27.2% in 2007-2008, P < 0.01). Overall stent use remained high (mean, 94.6%), but use of DES declined steadily (53.9% in 2004-2005 to 32.0% in 2007-2008, P < 0.01), despite increases in complex lesions. Planned clopidogrel therapy of ≥ 12 months after insertion of DES increased from 54.7% in 2004-2005 to 98.0% in 2007-2008 (P < 0.01). The overall procedural success rate was high (mean, 95.9%), and 12-month rates of mortality (3.8%), MI (4.8%), TVR (6.8%) and stent thrombosis (1.8%) remained low. Selective use of DES was an independent predictor of freedom from MACE at 12 months (odds ratio, 0.68; 95% CI, 0.56-0.81).

CONCLUSIONS

Use of DES declined steadily from 2004-2005 to 2007-2008, despite increasing patient risk profile and lesion complexity. Procedural success remained high and 12-month adverse outcomes remained low, with increasing use of prolonged dual antiplatelet therapy.

摘要

目的

评估在药物洗脱支架(DES)时代澳大利亚经皮冠状动脉介入治疗(PCI)的实践趋势和 12 个月的结果。

设计、地点和患者:2004 年 4 月 1 日至 2008 年 3 月 31 日,在维多利亚州 7 家公立医院对连续接受 9204 例 PCI 的患者进行前瞻性研究。

主要观察指标

逐年比较基线特征和院内及 12 个月临床结局,包括死亡、心肌梗死(MI)、靶血管血运重建(TVR)和复合主要不良心脏事件(MACE)的趋势。

结果

2004-2005 年至 2007-2008 年,接受 PCI 患者的平均年龄保持稳定(65±12 岁),高血压、高血脂、外周动脉疾病和中风等合并症的发生率有所增加(P<0.05)。择期 PCI 减少,紧急 PCI 增多,尤其是对于 MI<24 小时的患者(2004-2005 年为 17.6%,2007-2008 年为 27.2%,P<0.01)。支架总体使用率仍然较高(平均 94.6%),但 DES 的使用率持续下降(2004-2005 年为 53.9%,2007-2008 年为 32.0%,P<0.01),尽管复杂病变的数量有所增加。DES 植入后计划接受氯吡格雷治疗≥12 个月的比例从 2004-2005 年的 54.7%增加到 2007-2008 年的 98.0%(P<0.01)。总体手术成功率较高(平均为 95.9%),12 个月死亡率(3.8%)、心肌梗死(4.8%)、TVR(6.8%)和支架血栓形成(1.8%)仍较低。选择性使用 DES 是 12 个月时免于 MACE 的独立预测因素(比值比,0.68;95%置信区间,0.56-0.81)。

结论

尽管患者的风险状况和病变复杂性有所增加,但 2004-2005 年至 2007-2008 年期间,DES 的使用率持续下降。手术成功率仍然较高,12 个月的不良结局仍然较低,且双联抗血小板治疗的应用有所增加。

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