Massive U.S. study maps hidden bleeding after heart attacks

NCT ID NCT06162039

First seen Oct 31, 2025 · Last updated May 15, 2026 · Updated 23 times

Summary

This study looked at medical records from over 24,000 people across the United States who had a severe type of heart attack. The goal was to find out how often bleeding inside the heart muscle (hemorrhagic myocardial infarction) occurs and how it varies by state. Researchers also tracked related complications like heart failure and repeat hospital stays. No new treatments were tested; the study simply gathered information to better understand this condition.

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Contacts and locations

Locations

  • Medical Imaging Research Institute, Cardiovascular Imaging Research Center

    Indianapolis, Indiana, 46202, United States

Conditions

Explore the condition pages connected to this study.