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The Association of Hospital-Cardiologist Integration With Patient Outcomes, Care Quality, and Utilization
Ali Moghtaderi1, David J Magid2, Andy Ye Yuan3
1Milken Institute School of Public Health, George Washington University, Washington, DC, USA.
Journal of the American College of Cardiology
|November 15, 2024
Summary
The majority of cardiologists now work for hospitals, but this shift has shown little impact on patient outcomes or care quality for heart attack and heart failure patients. Further research is needed to understand the full implications of hospital employment for cardiovascular care.
Area of Science:
- Cardiovascular Medicine
- Health Services Research
- Health Economics
Background:
- Increasing trend of cardiologists transitioning from independent practice to hospital employment.
- Potential benefits of hospital employment include improved care coordination, but effects on quality and outcomes are not well understood.
Purpose of the Study:
- To evaluate the association between hospital employment of cardiologists and patient outcomes, care quality, and utilization.
- Focus on patients hospitalized with acute myocardial infarction (AMI) or heart failure (HF).
Main Methods:
- Utilized Medicare fee-for-service data from 2008-2019 for patients with incident AMI or HF.
- Employed difference-in-differences methods to compare outcomes for patients treated by cardiologists who switched to hospital employment versus those who remained independent.
- Adjusted for time trends, patient, hospital, and cardiologist characteristics.
Main Results:
- Hospital employment for cardiologists rose from 26% in 2008 to 63% in 2019.
- No significant differences observed in 30-day mortality or readmission rates between groups.
- A slight increase in 30-day follow-up visits was noted for heart failure patients treated by hospital-employed cardiologists.
Conclusions:
- A substantial shift in cardiologist practice patterns towards hospital employment has occurred.
- Minimal evidence suggests that hospital employment of cardiologists leads to improvements in care quality or patient outcomes for AMI and HF.
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