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医院层面急性心肌梗死合并心源性休克患者结局的差异。

Hospital-Level Disparities in the Outcomes of Acute Myocardial Infarction With Cardiogenic Shock.

机构信息

Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota.

Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota.

出版信息

Am J Cardiol. 2019 Aug 15;124(4):491-498. doi: 10.1016/j.amjcard.2019.05.038. Epub 2019 May 28.

Abstract

There are limited data on hospital-level disparities in cardiogenic shock complicating acute myocardial infarction (AMI-CS). A retrospective cohort of adult admissions from the National Inpatient Sample database during 2000 to 2014, with primary diagnosis of AMI and concomitant CS were identified. Interhospital transfers were excluded. Hospitals were classified into rural, urban nonteaching and urban teaching (location and teaching status) and small, medium and large (bedsize). The primary endpoint was in-hospital mortality and secondary endpoints included use of early coronary angiography, percutaneous coronary intervention (PCI) and mechanical circulatory support (MCS). Multivariable regression was used to adjust for potential confounding. During 2000 to 2014, 362,065 AMI-CS admissions met the inclusion criteria, of which 92% and 69% respectively were admitted to urban and large hospitals. Admissions to urban and large hospitals were more frequently male, younger, with lower co-morbidity, and higher illness severity. There was a steady increase in early coronary angiography, PCI and MCS across the various hospital categories. Admission to an urban nonteaching hospital (adjusted odds ratio [aOR] 0.81; 95% confidence interval [CI] 0.78 to 0.84], p <0.001) and urban teaching hospital (aOR 0.87 [95% CI 0.84 to 0.91, p <0.001) were associated with lower mortality compared with rural hospitals. In comparison to a small hospital, admission to a large hospital (aOR 0.94 [95% CI 0.91 to 0.98); p = 0.002) was associated with lower in-hospital mortality. Large and urban hospitals had greater use of early coronary angiography, PCI, MCS. In conclusion, there are hospital-level disparities in the management and outcomes of AMI-CS which are not fully accounted for differences in patient characteristics.

摘要

关于急性心肌梗死并发心源性休克(AMI-CS)在医院层面的差异,数据有限。本研究从 2000 年至 2014 年的国家住院患者样本数据库中,选取了符合 AMI 主要诊断和并发 CS 的成年患者的回顾性队列。排除了院内转院的患者。将医院分为农村、城市非教学医院和城市教学医院(位置和教学状态)以及小、中、大医院(床位数)。主要终点是住院死亡率,次要终点包括早期冠状动脉造影、经皮冠状动脉介入治疗(PCI)和机械循环支持(MCS)的使用情况。多变量回归用于调整潜在的混杂因素。在 2000 年至 2014 年期间,有 362065 例 AMI-CS 入院符合纳入标准,其中 92%和 69%分别入住城市大医院。入住城市大医院的患者中,男性、年龄较小、合并症较少、疾病严重程度较高的患者比例更高。在各种医院类别中,早期冠状动脉造影、PCI 和 MCS 的使用呈稳步上升趋势。与农村医院相比,入住城市非教学医院(校正优势比 [aOR] 0.81;95%置信区间 [CI] 0.78 至 0.84],p <0.001)和城市教学医院(aOR 0.87 [95% CI 0.84 至 0.91,p <0.001)的死亡率较低。与小医院相比,入住大医院(aOR 0.94 [95% CI 0.91 至 0.98];p=0.002)的住院死亡率较低。大医院和城市医院更常进行早期冠状动脉造影、PCI 和 MCS。总之,AMI-CS 的管理和结局存在医院层面的差异,这些差异不能完全解释为患者特征的差异。

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