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. 2016 Apr;67(4):326-35.
doi: 10.1177/0003319715593853. Epub 2015 Jul 5.

Multivessel Percutaneous Coronary Interventions in the United States: Insights From the Nationwide Inpatient Sample

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Multivessel Percutaneous Coronary Interventions in the United States: Insights From the Nationwide Inpatient Sample

Shilpkumar Arora et al. Angiology. 2016 Apr.

Abstract

Background: Multivessel coronary artery disease carries significant mortality risk. Comprehensive data on inhospital outcomes following multivessel percutaneous coronary intervention (MVPCI) are sparse.

Methods: We queried the Healthcare Cost and Utilization Project's nationwide inpatient sample (NIS) between 2006 and 2011 using different International Classification of Diseases, 9th Revision, Clinical Modification procedure codes. The primary outcome was inhospital all-cause mortality, and the secondary outcome was a composite of inhospital mortality and periprocedural complications.

Results: The overall mortality was low at 0.73% following MVPCI. Multivariate analysis revealed that (odds ratio, 95% confidence interval, P value) age (1.63, 1.48-1.79; <.001), female sex (1.19, 1.00-1.42; P = .05), acute myocardial infarction (AMI; 2.97, 2.35-3.74; <.001), shock (17.24, 13.61-21.85; <.001), a higher burden of comorbidities (2.09, 1.32-3.29; .002), and emergent/urgent procedure status (1.67, 1.30-2.16; <.001) are important predictors of primary and secondary outcomes. MVPCI was associated with higher mortality, length of stay (LOS), and cost of care as compared to single vessel single stent PCI.

Conclusion: MVPCI is associated with higher inhospital mortality, LOS, and hospitalization costs compared to single vessel, single stent PCI. Higher volume hospitals had lower overall postprocedural mortality rate along with shorter LOS and lower hospitalization costs following MVPCI.

Keywords: hospital volume; mortality; multivessel percutaneous coronary interventions.

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Comment in

  • Multiple Coronary Artery Interventions.
    Whayne TF Jr. Whayne TF Jr. Angiology. 2016 May;67(5):427-30. doi: 10.1177/0003319715595746. Epub 2015 Jul 17. Angiology. 2016. PMID: 26187641 No abstract available.

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