Aortic Stenosis in Dialysis Patients

Aortic valve stenosis occurs 10–20 years earlier in patients on dialysis compared with the general population. This is likely related to the exposure of the valve to a milieu that predisposes to calcification as well as increased shear stress across the valve. Objective assessment of stenosis severi...

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Bibliographic Details
Published in:Seminars in dialysis 2017-05, Vol.30 (3), p.224-231
Main Authors: Ahmad, Yousif, Bellamy, Michael F., Baker, Christopher S. R.
Format: Article
Language:English
Subjects:
Aortic Valve Stenosis - diagnosis
Aortic Valve Stenosis - epidemiology
Aortic Valve Stenosis - etiology
Echocardiography
Global Health
Humans
Incidence
Kidney Failure, Chronic - therapy
Renal Dialysis - adverse effects
Risk Assessment
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Summary:Aortic valve stenosis occurs 10–20 years earlier in patients on dialysis compared with the general population. This is likely related to the exposure of the valve to a milieu that predisposes to calcification as well as increased shear stress across the valve. Objective assessment of stenosis severity is largely made using echocardiography though accurate interpretation requires an understanding of the potential pitfalls of the technique and the influence of cardiac output upon the gradient measured across the valve. Timing of valve replacement in severe aortic stenosis is predominantly guided by exercise‐induced symptoms (breathlessness, chest pain and [pre] syncope), which are often difficult to assess in the dialysis population who may have limited exercise capacity and symptoms due to renal failure and other comorbidities. Finally, treatment of aortic stenosis remains a constantly evolving area with advances in both conventional surgery and percutaneous techniques.
ISSN:0894-0959
1525-139X
DOI:10.1111/sdi.12582