Death, hospital readmission more likely for Black patients after coronary stenting

Source: Michigan Medicine

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Black patients who undergo minimally invasive procedures for clogged arteries are more likely to die or be readmitted to the hospital months after the procedure, a Michigan Medicine study finds.

The research team analyzed more than 29,000 older patients with Medicare insurance who underwent percutaneous coronary intervention, which includes stenting and balloon angioplasty, between 2013 and early 2018 using data from the Blue Cross Blue Shield of Michigan Cardiovascular Consortium. They found that Black patients were 1.62 times more likely to be readmitted to the hospital within 90 days of discharge after the procedure and were 1.45 times more likely to die in long-term follow-up when adjusting for age and gender.

“We’ve known that there are broad racial disparities that exist in cardiovascular disease, with Black patients less likely to undergo coronary intervention or invasive angiography, but there is a lack of data on the long-term outcomes for these patients after coronary stenting procedure,” said Stephanie Spehar, M.D., first author of the study and chief medical resident in the University of Michigan Health Department of Internal Medicine.

“We have seen efforts nationwide to improve the care quality of coronary stenting, particularly during the procedure, and current studies including ours show generally similar in-hospital outcomes for Black and white patients,” Spehar said. “However, our findings show a concerning disparity in outcomes after patients leave the hospital.”

The results, published in the American Heart Journal, reveal that social determinants of health – including community economic well-being, personal income and wealth, and preexisting health conditions – played a significant role in the outcomes.

“Our findings demonstrate that these disparities may be, at least in part, explained by multiple complex factors including social determinants of health,” said senior author Devraj Sukul, M.D., M.S., interventional cardiologist at the U-M Health Frankel Cardiovascular Center and a clinical assistant professor of cardiology at U-M Medical School.

“Moreover, focusing on understanding and potentially addressing these disparities in both the peri-procedural and post-procedural settings is critically important,” Sukul said. “All of these factors, such as wealth, community economic stress and comorbidities, are interconnected and accumulate over time. Lower socioeconomic status can potentially lead to worse health status, just as illness may undermine financial security and economic opportunity. Preventative action must be taken to address the complex social, environmental and behavioral factors that contribute to these outcomes.”

Read more in the Health Lab.

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