Arthritis

Updated 18 December 2015

Arthritis increases heart risk

People with rheumatoid arthritis (RA) are at increased risk for a heart rhythm disorder called atrial fibrillation, a new study finds.

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The research involved more than 4 million people, including more than 18,000 with rheumatoid arthritis, in Denmark, who were followed for an average of five years.

During that time, people with RA had a nearly 40% increased risk of atrial fibrillation compared to those in the general population - 8.2 events per 1,000 person years for those with RA and six events per 1,000 person years for the general population. That works out to one new case of atrial fibrillation per 12 RA patients followed for 10 years after diagnosis.

Among RA patients, women had a slightly higher risk of atrial fibrillation than men, according to the study published on BMJ.

The researchers also found that people with RA had a more than 30% higher risk of stroke than those in the general population - 7.6 events per 1,000 person years for those with RA and 5.7 events per 1,000 person years for the general population.

RA risky for the heart

Previous research has linked RA to an increased risk of heart attacks, heart failure and stroke. This study finds that RA is also associated with an increased risk of atrial fibrillation, which is associated with greater long-term risk of heart failure, stroke and death.

New guidelines recommend that patients with RA should undergo annual screening for cardiovascular risk factors, and this should include screening for atrial fibrillation, the researchers from Copenhagen University Hospital Gentofte said.

The researchers also noted that since inflammation plays a role in the development of atrial fibrillation and stroke, inflammation control is important for people with RA not only to alleviate joint symptoms, but also to reduce the need for drugs that may adversely impact heart health.

Read more:

Stroke - act fast and save a life

Life after a heart attack


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Professor Asgar Ali Kalla completed his MBChB (Bachelor of Medicine and Bachelor of Surgery) degree in 1975 at the University of Cape Town and his FRCP in 2003 in London. Professor Ali Kalla is the Isaac Albow Chair of Rheumatology at the University of Cape Town and also the Head of Division of Rheumatology at Groote Schuur Hospital. He has participated in a number of clinical trials for rheumatology and is active in community outreach. Prof Ali Kalla is an expert in Arthritis for Health24.

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