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People with high blood pressure who take all their anti-hypertensive medication in one go at bedtime have better controlled blood pressure and a significantly lower risk of death or illness caused by heart or blood vessel problems, compared to those who take their medication in the morning, according to results from the Hygia Chronotherapy Trial published in the European Heart Journal
The Hygia Chronotherapy Trial is the largest to investigate the effect of the time of day when people take their anti-hypertensive medication on the risk of cardiovascular problems. It randomised 19,084 patients to taking their pills on waking or at bedtime with a follow-up period of more than six year average, during which time the patients’ ambulatory blood pressure was checked over 48 hours at least once a year.
- Patients who took their medication at bedtime had nearly half the risk (45% reduction) of dying from or suffering heart attacks, myocardial infarction, stroke, heart failure or requiring a procedure to unblock narrowed arteries (coronary revascularisation), compared to patients who took their medication on waking.
- The risk of death from heart or blood vessel problems was reduced by 66%, the risk of myocardial infarction was reduced by 44%, coronary revascularisation by 40%, heart failure by 42%, and stroke by 49%.
The results of this study show that patients who routinely take their anti-hypertensive medication at bedtime, as opposed to when they wake up, have better-controlled blood pressure and, most importantly, a significantly decreased risk of death or illness from heart and blood vessel problems … (Excerpts from European Society of Cardiology).
Dr KK Aggarwal
Padma Shri Awardee
President Confederation of Medical Associations in Asia and Oceania (CMAAO)
Group Editor-in-Chief IJCP Publications
President Heart Care Foundation of India
Past National President IMA