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Related Experiment Videos

Do physician-owned cardiac hospitals increase utilization?

Jeffrey Stensland1, Ariel Winter

  • 1Medicare Payment Advisory Commission, Washington, DC, USA. JStensland@medpac.gov

Health Affairs (Project Hope)
|January 13, 2006
PubMed
Summary

Physician-owned heart hospitals saw minimal growth in profitable cardiac surgeries, with no shift towards healthier patients. Findings differ from earlier studies on less-invasive procedures.

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Area of Science:

  • Health economics
  • Cardiovascular surgery
  • Healthcare management

Background:

  • Physician investment in specialty hospitals, particularly cardiac facilities, emerged as a significant trend.
  • Concerns exist regarding potential conflicts of interest and shifts in patient selection towards more profitable cases.

Purpose of the Study:

  • To investigate whether physician ownership of heart hospitals between 1997-2001 led to an increase in profitable cardiac surgeries for Medicare patients.
  • To determine if these hospitals disproportionately selected healthier (more profitable) Medicare patients for cardiac procedures.

Main Methods:

  • Analysis of Medicare claims data from 1997-2001.
  • Comparison of growth rates in cardiac surgeries between markets with and without physician-owned heart hospitals.
  • Examination of patient health status (comorbidity scores) for cardiac surgeries.

Main Results:

  • Markets with physician-owned hospitals showed slightly above-average growth in profitable cardiac surgeries, but the increase was small and only statistically significant for bypass surgery.
  • No significant increase was observed in the proportion of surgeries performed on healthier Medicare patients in these facilities.
  • Results contrast with findings for less-invasive services like diagnostic imaging.

Conclusions:

  • Physician investment in heart hospitals during the study period did not lead to a substantial increase in profitable cardiac surgeries or a significant shift towards healthier patients.
  • The findings suggest that the financial incentives may not have translated into widespread changes in surgical volume or patient selection for Medicare cardiac procedures in these hospitals.
  • Further research is needed to understand the long-term impact and potential variations across different service lines and healthcare markets.

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