In-Hospital Mortality in Acute Myocardial Infarction According to Population Density and Primary Angioplasty Procedures Volume

Background:Low population density may be associated with high mortality in acute myocardial infarction (AMI) patients. The purpose of this study was to investigate the effect of population density and hospital primary percutaneous coronary intervention (PCI) volume on AMI in-hospital mortality in Ja...

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Bibliographic Details
Published in:Circulation Journal 2020/06/25, Vol.84(7), pp.1140-1146
Main Authors: Matsuzawa, Yasushi, Konishi, Masaaki, Nakai, Michikazu, Saigusa, Yusuke, Taguri, Masataka, Gohbara, Masaomi, Ebina, Toshiaki, Kosuge, Masami, Hibi, Kiyoshi, Nishimura, Kunihiro, Miyamoto, Yoshihiro, Yasuda, Satoshi, Ogawa, Hisao, Saito, Yoshihiko, Nakayama, Naoki, Takeuchi, Ichiro, Tamura, Kouichi, Kimura, Kazuo
Format: Article
Language:English
Subjects:
Acute myocardial infarction
Aged
Aged, 80 and over
Databases, Factual
Female
Hospital Mortality
Hospitals, High-Volume
Hospitals, Low-Volume
Humans
In-hospital mortality
Japan
Male
Middle Aged
Myocardial Infarction - diagnosis
Myocardial Infarction - mortality
Myocardial Infarction - therapy
Percutaneous Coronary Intervention - adverse effects
Percutaneous Coronary Intervention - mortality
Population Density
Registries
Retrospective Studies
Risk Assessment
Risk Factors
Time Factors
Transportation of Patients
Treatment Outcome
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Summary:Background:Low population density may be associated with high mortality in acute myocardial infarction (AMI) patients. The purpose of this study was to investigate the effect of population density and hospital primary percutaneous coronary intervention (PCI) volume on AMI in-hospital mortality in Japan.Methods and Results:This is a retrospective study of 64,414 AMI patients transported to hospital by ambulances. The main outcome measure was in-hospital mortality. The median population density was 1,147 (interquartile range, 342–5,210) persons/km2. There was a significant negative relationship between population density and in-hospital mortality (OR for a quartile down in population density 1.086, 95% CI 1.042–1.132, P
ISSN:1346-9843
1347-4820
1347-4820
DOI:10.1253/circj.CJ-19-0869