Paul Guedeney1, François Huchet2, Thibaut Manigold2, Stéphanie Rouanet3, Pauline Balagny1, Pascal Leprince1, Guillaume Lebreton1, Vincent Letocart2, Olivier Barthelemy1, Eric Vicaut4, Gilles Montalescot1, Patrice Guerin2, Jean-Philippe Collet5. 1. ACTION Study Group, Inserm UMRS 1166, institut de cardiologie, Sorbonne université, hôpital universitaire Pitié-Salpêtrière, AP-HP, 75013 Paris, France. 2. Cardiology department, Nantes university hospital, 44000 Nantes, France. 3. Statistician unit, StatEthic, 92300 Levallois-Perret, France. 4. ACTION Study Group, unité de recherche clinique, hôpital Lariboisière, AP-HP, 75010 Paris, France. 5. ACTION Study Group, Inserm UMRS 1166, institut de cardiologie, Sorbonne université, hôpital universitaire Pitié-Salpêtrière, AP-HP, 75013 Paris, France. Electronic address: jean-philippe.collet@aphp.fr.
Abstract
BACKGROUND: The incidence of and risk factors for readmission for heart failure after successful transcatheter aortic valve implantation (TAVI) are unclear. AIMS: We sought to evaluate the incidence of, risk factors for and clinical impact of readmission for heart failure after successful TAVI in an unselected patient population. METHODS: All patients who underwent successful TAVI in two high-volume French tertiary centres from February 2010 to December 2016 were included prospectively and followed up for 1 year. A Cox multivariable model was used to assess risk factors for readmission for heart failure and mortality. RESULTS: A total of 1139 patients (mean age 82.4±7.7years; 52.2% male sex) were included. Readmission for heart failure occurred in 99 (9.2%) patients. Risk factors for readmission for heart failure were previous atrial fibrillation (adjusted hazard ratio [adjHR] 1.62, 95% confidence interval [CI] 1.09-2.40), diabetes mellitus (adjHR 1.67, 95% CI 1.11-2.50), chronic kidney disease (adjHR 1.72, 95% CI 1.13-2.62), chronic pulmonary disease (adjHR 1.81, 95% CI 1.17-2.81) and left ventricular ejection fraction after TAVI ≤ 35% (adjHR 2.12, 95% CI 1.20-3.75). Readmission for heart failure was strongly associated with mortality (adjHR 3.11, 95% CI 1.95-4.94), along with increased Society of Thoracic Surgeons' score (adjHR 1.07, 95% CI 1.03-1.12), chronic pulmonary disease (adjHR 1.45, 95% CI 1.00-2.09), previous atrial fibrillation (adjHR 2.11, 95% CI 1.52-2.93) and shock during the index hospitalization (adjHR 2.56, 95% CI 1.41-4.65). CONCLUSIONS: Readmission for heart failure occurs in one in 10 patients after successful TAVI, and is a strong risk factor for mortality. Co-morbidities and left ventricular ejection fraction after TAVI≤35% are the main risk factors for readmission for heart failure.
BACKGROUND: The incidence of and risk factors for readmission for heart failure after successful transcatheter aortic valve implantation (TAVI) are unclear. AIMS: We sought to evaluate the incidence of, risk factors for and clinical impact of readmission for heart failure after successful TAVI in an unselected patient population. METHODS: All patients who underwent successful TAVI in two high-volume French tertiary centres from February 2010 to December 2016 were included prospectively and followed up for 1 year. A Cox multivariable model was used to assess risk factors for readmission for heart failure and mortality. RESULTS: A total of 1139 patients (mean age 82.4±7.7years; 52.2% male sex) were included. Readmission for heart failure occurred in 99 (9.2%) patients. Risk factors for readmission for heart failure were previous atrial fibrillation (adjusted hazard ratio [adjHR] 1.62, 95% confidence interval [CI] 1.09-2.40), diabetes mellitus (adjHR 1.67, 95% CI 1.11-2.50), chronic kidney disease (adjHR 1.72, 95% CI 1.13-2.62), chronic pulmonary disease (adjHR 1.81, 95% CI 1.17-2.81) and left ventricular ejection fraction after TAVI ≤ 35% (adjHR 2.12, 95% CI 1.20-3.75). Readmission for heart failure was strongly associated with mortality (adjHR 3.11, 95% CI 1.95-4.94), along with increased Society of Thoracic Surgeons' score (adjHR 1.07, 95% CI 1.03-1.12), chronic pulmonary disease (adjHR 1.45, 95% CI 1.00-2.09), previous atrial fibrillation (adjHR 2.11, 95% CI 1.52-2.93) and shock during the index hospitalization (adjHR 2.56, 95% CI 1.41-4.65). CONCLUSIONS: Readmission for heart failure occurs in one in 10 patients after successful TAVI, and is a strong risk factor for mortality. Co-morbidities and left ventricular ejection fraction after TAVI≤35% are the main risk factors for readmission for heart failure.