ISSN: 1859 - 2872
Research characteristics of prosthesis - patient mismatch after aortic valve replacement for aortic stenosis at 108 Military Central Hospital
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Abstract
Objective: To comment on patient - prosthesis mismatch (PPM) characteristics after aortic valve replacement for aortic stenosis and some related factors. Subject and method: 67 patients received aortic valve replacement for aortic stenosis at 108 Military Central Hospital during 2010-2020. Prospective descriptive study with variables: PPM status and related factors such as comorbidities, gradient, NYHA and LVMI. Result: Mild PPM accounts for 1.5 - 20% during 48 months, no moderate and severe PPM. Factors associated with PPM included female and diabetes (p<0.05), hypertension, valve size (21 - 23); biological valve type was not related (p>0.05). Mean gradient pressure was strongly correlated with PPM by quadratic linear regression. PPM increased NYHA grade of heart failure (p<0.05) and reduced LVMI to normal after surgery (p<0.05). Conclusion: Choosing the right prosthetic valve for the patient is very important, affecting the improvement of symptoms and left ventricular morphology after surgery.
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References
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