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  • Editorial

Dementia risk decreases after Smoking Cessation in Atrial Fibrillation patients

Published On 2022-06-23T09:00:20+05:30  |  Updated On 23 Jun 2022 3:30 AM GMT

Overview

According to a new study published in the Jama Network Open, smoking is associated with a significantly higher risk of dementia in patients with new-onset AF while smoking cessation after AF diagnosis was associated with a lower risk of dementia than among current smokers.

Atrial fibrillation (AF) is the most common cardiac arrhythmia, with an increasing prevalence in the elderly conferring a high risk of adverse cardiovascular outcomes and health care costs. Cognitive dysfunction is prominent among patients with AF.

This nationwide cohort study included a total of 126 252 patients who had a national health checkup examination within 2 years before and after AF diagnosis. Based on their smoking status, participants were classified as never smokers, ex-smokers, quit smokers, and current smokers. Patients were followed up until dementia, death, or the study period ended whichever occurred first.

The results of the study showed that 51.9% were non smokers, 27.5% were ex-smokers, 7.1% quit smoking , and 13.5% were current smokers.

During a median of 3 years of follow-up, dementia occurred in 5925 patients. Hence, the researchers concluded that although smoking is associated with a significantly higher risk of dementia in patients with new-onset AF but Smoking cessation after AF diagnosis was associated with a lower risk of dementia than among current smokers.

These findings may support promoting smoking cessation to reduce dementia risk in patients with new-onset AF.

Speakers

Dr. Nandita Mohan

BDS, MDS( Pedodontics and Preventive Dentistry)

Dr. Nandita Mohan is a practicing pediatric dentist with more than 5 years of clinical work experience. Along with this, she is equally interested in keeping herself up to date about the latest developments in the field of medicine and dentistry which is the driving force for her to be in association with Medical Dialogues. She also has her name attached with many publications; both national and international. She has pursued her BDS from Rajiv Gandhi University of Health Sciences, Bangalore and later went to enter her dream specialty (MDS) in the Department of Pedodontics and Preventive Dentistry from Pt. B.D. Sharma University of Health Sciences. Through all the years of experience, her core interest in learning something new has never stopped. She can be contacted at editorial@medicaldialogues.in. Contact no. 011-43720751
Dementia smoking Atrial Fibrillation AF arrhythmia AF patients cognitive dysfunction 
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