Restless Legs Syndrome (RLS) Linked to Cardiovascular Disease
Published: 2011-04-15 - Updated: 2016-06-13
Author: UCB
Peer-Reviewed: N/A
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Synopsis: Research showing that RLS is a serious condition with increased risk of cardiovascular disease. New Research Links Restless Legs Syndrome (RLS) to Cardiovascular Disease - This retrospective study adds to existing research showing that RLS is a serious condition with increased risk of cardiovascular disease.
Main Digest
New Research Links Restless Legs Syndrome (RLS) to Cardiovascular Disease - This retrospective study adds to existing research showing that RLS is a serious condition with increased risk of cardiovascular disease.
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Results from a two-year retrospective cohort study presented at the 63rd Annual Meeting of the American Academy of Neurology (AAN), Hawaii, U.S., showed that patients were significantly more likely to develop cardiovascular (CV) conditions, including hypertension, cardiac dysrhythmia and chronic ischemic heart diseases after an initial diagnosis of RLS, as compared to controls without RLS.
"These findings suggest a significant association between a diagnosis of RLS and subsequent records of major cardiovascular conditions, and build on previous evidence suggesting that RLS may be a risk factor for cardiovascular disease. The findings confirm the need for early diagnosis of RLS so that patients can be monitored for subsequent development of serious cardiovascular events," commented study author, Dr. Florent Richy, Head of Global Epidemiology, UCB and Adjunct Professor of Epidemiology at the University of Liege, Belgium.
The two year retrospective cohort study matched the U.S. medical records of 3,485 RLS patients to those of 3,485 healthy controls.
Mean age was 55 years and female/male ratio was 2.34.
The study investigated the risk of major CV risk events among patients diagnosed with RLS.
The most frequent CV diagnoses observed were hypertension (48%), cardiac dysrhythmia (9.3%), chronic ischemic heart diseases (8.5%), occlusion and stenosis of cerebral arteries (2.81%), cardiomegaly (2.50%), and hypertensive heart disease (2.43%).
During this two-year observation period, RLS patients had a 12% greater risk of developing any CV event compared to healthy controls (p<0.01).
The relative risk (95% CI) for CV events by category were, in decreasing order: other forms (non-ischemic) of cardiovascular diseases, 1.33 (1.20; 1.47); cerebrovascular diseases, 1.31 (1.12; 1.53); disease of the pulmonary circulation, 1.28 (0.86; 1.92); ischemic heart diseases, 1.20 (1.06- 1.35); diseases of the arteries, 1.19 (1.01; 1.43); and hypertension, 0.99 (0.84; 1.03).
About the study
This two-year matched retrospective cohort study was performed on a dataset from a U.S. claims database containing longitudinal records on demographics, diagnoses, procedures, providers, prescriptions and claims. RLS patients were matched by age, gender and co-morbidities (including hypertension) to healthy controls. CV diagnoses were recorded for a two-year observation period.
Data Source: IMS LifeLink: Health Plan Claims Database, PharMetrics, Inc., a unit of IMS Health, Watertown, WA. 2009, All Rights Reserved.
The IMS LifeLink Health Plan Claims Database includes longitudinal, integrated, patient-level medical and pharmaceutical claims comprising five billion patient observations from across the United States comprised of over 70 million patients from over 100 health plans, including medical services and prescription drug information across the entire continuum of care.
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Cite This Page (APA): UCB. (2011, April 15). Restless Legs Syndrome (RLS) Linked to Cardiovascular Disease. Disabled World. Retrieved September 23, 2023 from www.disabled-world.com/health/neurology/sleepdisorders/restlesslegsyndrome/rls-heart.php