Research News

Underweight patients have higher risk of death after myocardial infarction, study finds

BMJ 2016; 353 doi: (Published 20 April 2016) Cite this as: BMJ 2016;353:i2276
  1. Michael McCarthy
  1. Seattle

After acute myocardial infarction (AMI) underweight patients have a higher risk of death than normal weight patients, even after adjustment for comorbidities and measures that assess cachexia and frailty, a US study has found.1

An increased risk of death among underweight patients after AMI has been observed before, but this was long thought to be from the effects of cachexia due to chronic disease and other comorbidities, not the effect of being underweight alone.

In a study published in PLOS Medicine the lead author, Emily Bucholz, and colleagues at Yale University in New Haven, Connecticut, analyzed medical records of patients enrolled from January 1994 to …

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