Korean Circ J.  2017 May;47(3):328-340. 10.4070/kcj.2017.0071.

The Current Status of Percutaneous Coronary Intervention in Korea: Based on Year 2014 Cohort of Korean Percutaneous Coronary Intervention (K-PCI) Registry

• Jang JS
• Han KR
• Moon KW
• Jeon DW
• Shin DH
• Kim JS
• Park DW
• Kang HJ
• Kim J
• Bae JW
• Hur SH
• Kim BO
• Choi D
• Gwon HC
• Kim HS

• KMID: 2385387
• DOI: http://doi.org/10.4070/kcj.2017.0071

Abstract

BACKGROUND AND OBJECTIVES
Although several multicenter registries have evaluated percutaneous coronary intervention (PCI) procedures in Korea, those databases have been limited by non-standardized data collection and lack of uniform reporting methods. We aimed to collect and report data from a standardized database to analyze PCI procedures throughout the country.
MATERIALS AND METHODS
Both clinical and procedural data, as well as clinical outcomes data during hospital stay, were collected based on case report forms that used a standard set of 54 data elements. This report is based on 2014 Korean PCI registry cohort data.
RESULTS
A total of 92 hospitals offered data on 44967 PCI procedures. The median age was 66.0 interquartile range 57.0-74.0 years, and 70.3% were men. Thirty-eight percent of patients presented with acute myocardial infarction and one-third of all PCI procedures were performed in an urgent or emergency setting. Non-invasive stress tests were performed in 13.9% of cases, while coronary computed tomography angiography was used in 13.7% of cases prior to PCI. Radial artery access was used in 56.1% of all PCI procedures. Devices that used PCI included drug-eluting stent, plain old balloon angioplasty, drug-eluting balloon, and bare-metal stent (around 91%, 19%, 6%, and 1% of all procedures, respectively). The incidences of in-hospital death, non-fatal myocardial infarction, and stroke were 2.3%, 1.6%, and 0.2%, respectively.
CONCLUSION
These data may provide an overview of the current PCI practices and in-hospital outcomes in Korea and could be used as a foundation for developing treatment guidelines and nationwide clinical research.

Keyword

Percutaneous coronary intervention; Registry

MeSH Terms

Angiography
Angioplasty, Balloon
Cohort Studies*
Data Collection
Drug-Eluting Stents
Emergencies
Exercise Test
Humans
Incidence
Korea*
Length of Stay
Male
Myocardial Infarction
Percutaneous Coronary Intervention*
Radial Artery
Registries
Stents
Stroke

Figure

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  Fig. 1 Geographic distribution of PCI facilities participating in the K-PCI registry. Ninety-two hospitals submitted data for 44967 PCI cases. High-volume facilities were concentrated in Seoul and metropolitan areas. PCI: percutaneous coronary intervention, K-PCI: Korean percutaneous coronary intervention.

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  Fig. 2 Distribution of facilities with different PCI volume. Sixty-two percent of the included hospitals performed 500 or fewer PCI procedures and 11% performed more than 1000 PCIs during the collection period. PCI: percutaneous coronary intervention.

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  Fig. 3 Age and gender distribution. Median age was 66 years and the proportion of male patients was 70.3%.

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  Fig. 4 Gender-specific clinical indications for PCI. The width of the bars in the histogram indicates the number of patients. NSTEMI: non-ST-elevation myocardial infarction, STEMI: ST-elevation myocardial infarction, PCI: percutaneous coronary intervention.

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  Fig. 5 Age-specific clinical indications for PCI. The width of the bars in the histogram indicates the number of patients. NSTEMI: non-ST-elevation myocardial infarction, STEMI: ST-elevation myocardial infarction, PCI: percutaneous coronary intervention.

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  Fig. 6 Temporal distribution of PCI procedures and in-hospital events. (A) Monthly distribution of PCI procedures and in-hospital cardiac events. (B) Weekly distribution of PCI procedures and in-hospital cardiac events. STEMI: ST-elevation myocardial infarction, NSTEMI: non-ST-elevation myocardial infarction, PCI: percutaneous coronary intervention, MACE: major adverse cardiac events.

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