Aortic regurgitation epidemiology and demographics
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: Varun Kumar, M.B.B.S., Lakshmi Gopalakrishnan, M.B.B.S., Mohammed A. Sbeih, M.D. [2]
Overview
The prevalence of aortic regurgitation varies with age, disease severity, gender and race[1]. Aortic insufficiency is unusual before the age of 50 and then increased progressively. Worldwide the most common cause of aortic insufficiency is rheumatic heart disease, particularly in Asia, the Middle East, and North Africa[2]. In the United States, senile degenerative calcific aortic valve disease and bicuspid aortic valve disease are the most common causes.
Prevalence
The prevalence of aortic insufficiency increases with age with higher severity in men than in women[1][3][4][5].
In a population-based cohort study by Framingham Heart; aortic regurgitation (more than or equal to trace severity on echocardiography) found to present in 13 percent of men and 8.5 percent of women[1].
Developing Countries
In developing countries, rheumatic heart disease is the most common cause of aortic insufficiency and may present in second or third decade of life.
Developed Countries
In developed countries where rheumatic heart disease is rare, aortic insufficiency may be due to bi-cuspid aortic valve disease or degenerative disease which may present in the fourth to sixth decade. Endocarditis and aortic dissection are other causes. The prevalence of aortic insufficiency in the Framingham study was reported to be 4.9%, with regurgitation of moderate or greater severity occurring in 0.5%[1].
Race
The prevalence of aortic insufficiency does not show any variation with races in United States. However, internationally there is significant variation in the prevalence of predisposing conditions such as rheumatic heart disease [6][7].
Gender
Prevalence of aortic insufficiency is higher in men than in women. Aortic insufficiency was found in 13% of men versus 8.5% of women in Framingham study. The higher prevalence of marfan syndrome and bicuspid aortic valve in males could explain in part the greater prevalence of aortic insufficiency in men [1][8][9].
Age
The prevalence and severity of AR increase with age, with higher prevalence of chronic sever aortic insufficiency at 70 years. However people with congenital aortic valve/root defects such as bicuspid aortic valve and marfan syndrome develop aortic insufficiency much earlier [1][9][8].
Incidence
Aortic insufficiency affects approximately 5 out of every 10,000 people. It is most common in men between the ages of 30 and 60. Aortic regurgitation (more than or equal to trace severity on echocardiography) found to present in 13 percent of men and 8.5 percent of women [1].
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 Singh JP, Evans JC, Levy D, Larson MG, Freed LA, Fuller DL, Lehman B, Benjamin EJ (1999). "Prevalence and clinical determinants of mitral, tricuspid, and aortic regurgitation (the Framingham Heart Study)". The American Journal of Cardiology. 83 (6): 897–902. PMID 10190406. Retrieved 2011-12-27. Unknown parameter
|month=ignored (help) - ↑ Feldman T. Rheumatic heart disease. Curr Opin Cardiol. Mar 1996;11(2):126-30.
- ↑ Lebowitz NE, Bella JN, Roman MJ, Liu JE, Fishman DP, Paranicas M, Lee ET, Fabsitz RR, Welty TK, Howard BV, Devereux RB (2000). "Prevalence and correlates of aortic regurgitation in American Indians: the Strong Heart Study". Journal of the American College of Cardiology. 36 (2): 461–7. PMID 10933358. Retrieved 2011-03-02. Unknown parameter
|month=ignored (help) - ↑ Klodas E, Enriquez-Sarano M, Tajik AJ, Mullany CJ, Bailey KR, Seward JB (1997). "Optimizing timing of surgical correction in patients with severe aortic regurgitation: role of symptoms". Journal of the American College of Cardiology. 30 (3): 746–52. PMID 9283535. Retrieved 2011-03-02. Unknown parameter
|month=ignored (help) - ↑ Dujardin KS, Enriquez-Sarano M, Schaff HV, Bailey KR, Seward JB, Tajik AJ (1999). "Mortality and morbidity of aortic regurgitation in clinical practice. A long-term follow-up study". Circulation. 99 (14): 1851–7. PMID 10199882. Retrieved 2011-03-02. Unknown parameter
|month=ignored (help) - ↑ Feldman T (1996). "Rheumatic heart disease". Current Opinion in Cardiology. 11 (2): 126–30. Unknown parameter
|month=ignored (help);|access-date=requires|url=(help) - ↑ Seckeler MD, Hoke TR (2011). "The worldwide epidemiology of acute rheumatic fever and rheumatic heart disease". Clinical Epidemiology. 3: 67–84. doi:10.2147/CLEP.S12977. PMC 3046187. PMID 21386976.
|access-date=requires|url=(help) - ↑ 8.0 8.1 Keane MG, Pyeritz RE (2008). "Medical management of Marfan syndrome". Circulation. 117 (21): 2802–13. doi:10.1161/CIRCULATIONAHA.107.693523. PMID 18506019. Retrieved 2011-04-13. Unknown parameter
|month=ignored (help) - ↑ 9.0 9.1 Ortiz JT, Shin DD, Rajamannan NM (2006). "Approach to the patient with bicuspid aortic valve and ascending aorta aneurysm". Current Treatment Options in Cardiovascular Medicine. 8 (6): 461–7. PMID 17078910. Unknown parameter
|month=ignored (help);|access-date=requires|url=(help)