Heart Attacks Strike Younger: Indian Study Reveals Flawed Risk Calculators

A major Indian study indicates that heart attacks are occurring unexpectedly in many individuals who were not identified as high-risk by conventional medical assessments. Researchers analyzing over 5,000 Indian patients found that widely used global heart risk calculators failed to flag approximately 80% of those who subsequently suffered a heart attack.

These Western-developed models are often ineffective for the Indian population, as heart disease manifests earlier and differently, with a distinct 'South Asian phenotype.' This includes factors like diabetes, insulin resistance even at normal weight, misleading cholesterol patterns, and hidden abdominal fat. Such nuances are frequently missed by current calculators.

The study, led by Dr. Mohit Dayal Gupta at GB Pant Hospital, Delhi, found that these calculators often provide conflicting results and misclassify risk, leading to a significant underestimation of danger. Many patients fall into an 'intermediate risk' category, delaying crucial preventive interventions.

Experts are calling for the development of customized risk scores tailored to Indian populations, emphasizing that until these are available, clinical judgment alongside existing tools is essential. This includes considering family history, diabetes, psychosocial stress, and early screening to better manage premature heart disease.