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Forcillo, Jessica; Condado, Jose F.; Ko, Yi-An; Yuan, Michael; Binongo, Jose N.; Ndubisi, Nnaemeka M.; Kelly, John J.; Babaliaros, Vasilis; Guyton, Robert A.; Devireddy, Chandan; Leshnower, Bradley G.; Stewart, James P.; Perrault, Louis P.; Khairy, Paul; Thourani, Vinod H.
The Annals of thoracic surgery, December 2017, 2017-Dec, 2017-12-00, 20171201, Letnik: 104, Številka: 6Journal Article
The effect of frailty on outcomes after transcatheter aortic valve replacement (TAVR) remains incompletely understood. The objective of this study was to evaluate the performance of four commonly used frailty markers as predictors of early and late outcomes among patients undergoing TAVR. A review was performed of 361 high- and extreme-risk patients undergoing TAVR from 2011 to 2015. Four frailty variables were assessed: serum albumin (g/dL), 5-m walk (seconds), grip strength (kg), and Katz index of independence in activities of daily living. Logistic regression was used to examine the association between the frailty indicators and 30-day composite of mortality, stroke, new heart block requiring permanent pacemaker, major or life-threatening bleeding, acute renal failure, major vascular complication, and 30-day readmission rate. Minimum distance to the perfect point (0, 1) was performed to delineate a cutoff point for each frailty indicator, and risk models were compared using receiver-operating characteristics curves. The composite of outcomes occurred in 28% of patients. Serum albumin, activities of daily living, and 5-m walk were independent predictors for 30-day composite outcomes, but only albumin was predictive of 30-day mortality. A new frailty model (four frailty indicators, age, and sex) to predict 30-day mortality was created and compared with The Society of Thoracic Surgeons predicted risk of mortality. Better discrimination was found with the new frailty model (area under the curve 0.74 versus 0.58). New individual frailty variable cutoff values were found to predict our composite of events. Among high- and extreme-risk patients undergoing TAVR, our new frailty model was more discriminative of 30-day mortality than The Society of Thoracic Surgeons predicted risk of mortality. New cutoff values for frailty indicators were identified and will require further validation.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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