Risk Stratification for Transcatheter Aortic Valve Replacement

Abdul Ahad Khan, Ghulam Murtaza, Muhammad F. Khalid, Furqan Khattak


Risk assessment models developed from administrative and clinical databases are used for clinical decision making. Since these models are derived from a database, they have an inherent limitation of being as good as the data they are derived from. Many of these models under or overestimate certain clinical outcomes particularly mortality in certain group of patients. Undeniably, there is significant variability in all these models on account of patient population studied, the statistical analysis used to develop the model and the period during which these models were developed. This review aims to shed light on development and application of risk assessment models for cardiac surgery with special emphasis on risk stratification in severe aortic stenosis to select patients for transcatheter aortic valve replacement.

Cardiol Res. 2019;10(6):323-330
doi: https://doi.org/10.14740/cr966


Risk stratification; Risk assessment model; Transcatheter aortic valve replacement; Society of Thoracic Surgeons Predicted Risk of Mortality; Surgical aortic valve replacement

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