Blood markers to predict outcomes after a heart attack

This research is testing whether two inexpensive blood markers — a ratio of immune cells called the neutrophil-to-lymphocyte ratio (NLR) and a protein called C-reactive protein (CRP) — can predict how well patients recover after a life-threatening heart attack called ST-elevation myocardial infarction (STEMI). The researchers believe that measuring inflammation in the blood at the time of admission and during early recovery might help doctors understand which patients face the highest risk of complications.

Heart attacks happen when inflammation damages blood vessels, and current tests to measure this inflammation can be expensive—especially for patients in low-income countries. This study aims to find a cheap, reliable way to use these two blood markers to predict who will have the most serious complications, so doctors can give extra care to those who need it most.