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Number of Board-Certified Cardiologists and Acute Myocardial Infarction-Related Mortality in Japan ― JROAD and JROAD-DPC Registry Analysis
Background: The appropriate number of board-certified cardiologists (BCC) for the treatment of acute myocardial infarction (AMI) has not been thoroughly examined in Japan. This study investigated whether the number of BCC/50 cardiovascular beds affects acute outcome in AMI treatment. Methods and Res...
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Published in: | Circulation Journal 2018/10/25, Vol.82(11), pp.2845-2851 |
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Main Authors: | , , , , , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
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Online Access: | Get full text |
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Summary: | Background: The appropriate number of board-certified cardiologists (BCC) for the treatment of acute myocardial infarction (AMI) has not been thoroughly examined in Japan. This study investigated whether the number of BCC/50 cardiovascular beds affects acute outcome in AMI treatment. Methods and Results: Data on 751 board-certified teaching hospitals and 63,603 patients with AMI were obtained from the Japanese Registry Of All cardiac and vascular Diseases (JROAD) and JROAD Diagnosis Procedure Combination (JROAD-DPC) databases between 1 April 2012 and 31 March 2014. The hospitals were categorized into 3 groups based on the median number of BCC/50 cardiovascular beds: first tertile, 5.0 (IQR, 4.0–5.7); second, 8.3 (IQR, 7.4–9.8); third, 15.3 (IQR, 12.5–22.7), and the patients with AMI admitted to the categorized hospitals were compared (first tertile, 12,002 patients; second, 23,930; third, 27,671). On hierarchical logistic modeling, the adjusted OR for 30-day mortality were 0.86 (95% CI: 0.74–1.00) for the second tertile and 0.75 (95% CI: 0.65–0.88) for the third tertile. Conclusions: Patients with AMI admitted to hospitals with a large number of BCC/50 cardiovascular beds had a lower 30-day mortality rate. This tendency was independent of patient and hospital characteristics. This is the first study to provide new information on the association between the number of BCC and in-hospital AMI-related mortality in Japan. |
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ISSN: | 1346-9843 1347-4820 1347-4820 |
DOI: | 10.1253/circj.CJ-18-0487 |