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Risk Remains High In Heart Attacks

After surviving a heart attack, the proportion of patients who experience a repeat attack within a year fell between 2008 and 2017, with a greater decline in women than men, according to new research published today in the American Heart Association’s flagship journal Circulation.

heart attack

Despite the improvement, the rate of recurrent heart attacks, hospitalization for heart failure, and death remains high in heart attack survivors.

“Secondary events after a heart attack may be prevented by ensuring that patients receive guideline-recommended treatments to lower the risk for recurrent heart disease and death after hospital discharge,” said Sanne A. E. Peters, Ph.D., lead author of the study and senior lecturer at The George Institute for Global Health in collaboration with Imperial College London, United Kingdom.

While the number of people dying from a heart attack has decreased substantially over the past few decades, those who survive are at increased risk to experience another heart attack or to die within a year after they leave the hospital. To examine the change in rates and compare the changes in men and women, researchers used data from Medicare and commercial health insurers on more than 770,000 women and more than 700,000 men who were hospitalized for a heart attack between 2008 and 2017. Researchers looked at the rates of recurrent heart attacks, procedures to open clogged heart arteries and hospitalizations to treat heart failure during the first year after hospital discharge following a heart attack. Among Medicare patients, the rate of death from all causes was also tracked.

The researchers found that between 2008 and 2017, the age-adjusted rates (in terms of the number per 1,000 person-years):

  • recurrent heart attack declined from 89.2 to 72.3 in women and from 94.2 to 81.3 in men overall; however, the rate did not decline in women aged 21-54 years old or in men aged 55-79;
  • recurrent heart disease event rates (either heart attack or undergoing a procedure to open clogged arteries) declined from 166.3 to 133.3 in women and from 198.1 to 176.8 in men;
  • hospitalization due to heart failure rates declined from 177.4 to 158.1 in women and from 162.9 to 156.1 in men; and
  • death rates from any cause in those age 66 and older declined from 403.2 to 389.5 in women and from 436.1 to 417.9 in men.

“Improvements in the emergency treatment of heart attacks and better treatment options for people who survive a heart attack may explain the overall decline,” Peters said.

Sandesh Ilhe
Sandesh Ilhe
With an Engineers degree in Advanced Database Management and Information Security, Sandesh brings the deep understanding of the digital world to the table. His articles reflect the challenges and the complexities that come along with every disruption in the industry. He carries over six years of experience on working with websites and ensuring that the right article reaches the right reader.