Meth Linked to 1 in 6 Heart Attacks in California Study

A new study published in the Journal of the American Heart Association reveals that methamphetamine (meth) use accounted for nearly 15% of heart attacks over a decade at a Northern California hospital. Researchers analyzed data from 1,309 heart attack patients treated at Santa Clara Valley Medical Center between 2012 and 2022, finding that 194 were meth users. These individuals were typically younger (median age 52 vs. 57), male, and lacked traditional risk factors like high cholesterol or Type 2 diabetes, yet they faced double the risk of death after a heart attack compared to non-users. The study highlights a troubling trend as meth use rises in the U.S., with users more likely to be readmitted for repeat heart attacks (42.3% vs. 14.4%) and less likely to receive standard treatments like artery-opening procedures.

Lead author Dr. Susan Zhao emphasized the need for awareness: “Even though meth users were generally younger and didn’t have typical cardiovascular disease-related conditions, they were twice as likely to die after a heart attack.” The research underscores that methamphetamine can damage blood vessels and accelerate vascular aging, leading to premature heart disease. Notably, only 59.3% of meth users received procedures to open clogged arteries, partly because their heart attacks often involved non-blockage mechanisms. Robert L. Page II, Pharm.D., M.S.P.H., FAHA, chair of the American Heart Association’s 2020 cannabis statement, added that meth users are diagnosed with heart disease about eight years earlier than non-users, necessitating targeted prevention and treatment plans.

This study is the largest analysis on acute coronary syndrome and methamphetamine use to date, but it has limitations, including reliance on a single hospital and potential under-screening for drug use. Nonetheless, the findings call for heightened vigilance among healthcare professionals, especially when treating young to middle-aged men without typical heart disease risk factors. As meth use spreads eastward from the West Coast, the implications for cardiovascular health are significant, demanding new strategies to address this vulnerable population.