Why the study?
Does frailty status measured by the Katz Index predict short- and long-term morbidity and mortality after TAVI better than commonly used risk scores?
Does frailty status measured by the Katz Index predict short- and long-term morbidity and mortality after TAVI better than commonly used risk scores?
The Katz Index is a simple and reproducible measure of frailty that strongly predicts early and late adverse outcomes after TAVI, outperforming standard risk scores.
Katz Index frailty may aid TAVI risk stratification beyond standard scores; leaves open whether it should guide selection or alter practice.
Frailty status measured by the Katz Index represents a powerful predictor of adverse early and late outcome after TAVI, whereas commonly used risk scores lack calibration and discrimination in a TAVI-specific patient cohort. Therefore, we propose the incorporation of this simple and reproducible measure into pre-TAVI risk assessment.
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Puls et al. (2014) studied this question.
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