Aortic sclerosis natural history, complications and prognosis: Difference between revisions

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:* Increase in jet flow velocity across the valve
:* Increase in jet flow velocity across the valve


*Based on a '''''database study''''' from 1987 to 1993, that evaluated 2131 cases of aortic valve thickening with minimum 1-year echocardiographic follow-up, reported the development of [[aortic stenosis]] in 15.9% cases, of which 10.5% developed [[mild AS]], 2.9% had [[moderate AS]] and 2.5% had [[severe AS]]. Thus, this study demonstrates the prevalence of benign aortic valve thickening with the progression to significant [[aortic stenosis]].<ref name="pmid12418948">{{cite journal |author=Cosmi JE, Kort S, Tunick PA, Rosenzweig BP, Freedberg RS, Katz ES, Applebaum RM, Kronzon I |title=The risk of the development of aortic stenosis in patients with "benign" aortic valve thickening |journal=[[Archives of Internal Medicine]] |volume=162 |issue=20 |pages=2345–7 |year=2002 |month=November |pmid=12418948 |doi= |url=http://archinte.ama-assn.org/cgi/pmidlookup?view=long&pmid=12418948 |accessdate=2012-04-11}}</ref><ref name="pmid12505585">{{cite journal |author=Faggiano P, Antonini-Canterin F, Erlicher A, Romeo C, Cervesato E, Pavan D, Piazza R, Huang G, Nicolosi GL |title=Progression of aortic valve sclerosis to aortic stenosis |journal=[[The American Journal of Cardiology]] |volume=91 |issue=1 |pages=99–101 |year=2003 |month=January |pmid=12505585 |doi= |url=http://linkinghub.elsevier.com/retrieve/pii/S0002914902030114 |accessdate=2012-04-11}}</ref>
*Based on a '''''database study''''' from 1987 to 1993, that evaluated 2131 cases of aortic valve thickening with minimum 1-year echocardiographic follow-up, reported the development of [[aortic stenosis]] in 15.9% cases, of which 10.5% developed [[mild AS]], 2.9% had [[moderate AS]] and 2.5% had [[severe AS]]. Thus, this study demonstrated the prevalence of benign aortic valve thickening with the progression to significant [[aortic stenosis]].<ref name="pmid12418948">{{cite journal |author=Cosmi JE, Kort S, Tunick PA, Rosenzweig BP, Freedberg RS, Katz ES, Applebaum RM, Kronzon I |title=The risk of the development of aortic stenosis in patients with "benign" aortic valve thickening |journal=[[Archives of Internal Medicine]] |volume=162 |issue=20 |pages=2345–7 |year=2002 |month=November |pmid=12418948 |doi= |url=http://archinte.ama-assn.org/cgi/pmidlookup?view=long&pmid=12418948 |accessdate=2012-04-11}}</ref><ref name="pmid12505585">{{cite journal |author=Faggiano P, Antonini-Canterin F, Erlicher A, Romeo C, Cervesato E, Pavan D, Piazza R, Huang G, Nicolosi GL |title=Progression of aortic valve sclerosis to aortic stenosis |journal=[[The American Journal of Cardiology]] |volume=91 |issue=1 |pages=99–101 |year=2003 |month=January |pmid=12505585 |doi= |url=http://linkinghub.elsevier.com/retrieve/pii/S0002914902030114 |accessdate=2012-04-11}}</ref>


==Prognosis==
==Prognosis==

Revision as of 14:53, 11 April 2012

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Lakshmi Gopalakrishnan, M.B.B.S. [2]

Overview

Calcification of the aortic valve is common among the elderly population and shares epidemiologic and histopathologic similarities to atherosclerosis.[1] Progressive thickening and calcification of the aortic valve subsequently causes left ventricular stiffness resulting in left ventricular outflow tract obstruction, thereby leading to aortic stenosis.[2] Prognostically, it is known that aortic stenosis is clearly associated with adverse cardiovascular outcomes; however, it is unclear whether aortic sclerosis independently increases the risk of cardiovascular events or progression of aortic sclerosis to aortic stenosis increases the risk, including mortality.[2]

Natural History & Disease Progression

Progression to Aortic Stenosis

  • Echocardiographic indicators of progression of aortic sclerosis to aortic stenosis include:
  • Restricted leaflet mobility
  • Increased echogenicity suggestive of increase leaflet calcification
  • Increase in jet flow velocity across the valve
  • Based on a database study from 1987 to 1993, that evaluated 2131 cases of aortic valve thickening with minimum 1-year echocardiographic follow-up, reported the development of aortic stenosis in 15.9% cases, of which 10.5% developed mild AS, 2.9% had moderate AS and 2.5% had severe AS. Thus, this study demonstrated the prevalence of benign aortic valve thickening with the progression to significant aortic stenosis.[3][4]

Prognosis

References

  1. Owens DS, Katz R, Takasu J, Kronmal R, Budoff MJ, O'Brien KD (2010). "Incidence and progression of aortic valve calcium in the Multi-ethnic Study of Atherosclerosis (MESA)". The American Journal of Cardiology. 105 (5): 701–8. doi:10.1016/j.amjcard.2009.10.071. PMC 2829478. PMID 20185020. Retrieved 2012-04-11. Unknown parameter |month= ignored (help)
  2. 2.0 2.1 2.2 2.3 Otto CM, Lind BK, Kitzman DW, Gersh BJ, Siscovick DS (1999). "Association of aortic-valve sclerosis with cardiovascular mortality and morbidity in the elderly". The New England Journal of Medicine. 341 (3): 142–7. doi:10.1056/NEJM199907153410302. PMID 10403851. Retrieved 2012-04-11. Unknown parameter |month= ignored (help)
  3. Cosmi JE, Kort S, Tunick PA, Rosenzweig BP, Freedberg RS, Katz ES, Applebaum RM, Kronzon I (2002). "The risk of the development of aortic stenosis in patients with "benign" aortic valve thickening". Archives of Internal Medicine. 162 (20): 2345–7. PMID 12418948. Retrieved 2012-04-11. Unknown parameter |month= ignored (help)
  4. Faggiano P, Antonini-Canterin F, Erlicher A, Romeo C, Cervesato E, Pavan D, Piazza R, Huang G, Nicolosi GL (2003). "Progression of aortic valve sclerosis to aortic stenosis". The American Journal of Cardiology. 91 (1): 99–101. PMID 12505585. Retrieved 2012-04-11. Unknown parameter |month= ignored (help)

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