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The Evolving Management of Aortic Valve Disease: 5-Year Trends in SAVR, TAVR, and Medical Therapy.

ABSTRACT: Aortic stenosis (AS) and regurgitation (AR) may be treated with surgical aortic valve replacement (SAVR), transcatheter AVR (TAVR), or medical therapy (MT). Data are lacking regarding the usage of SAVR, TAVR, and MT for patients hospitalized with aortic valve disease and the characteristics of the patients and hospitals associated with each therapy. From the Nationwide Readmissions Database, we determined utilization trends for SAVR, TAVR, and MT in patients with aortic valve disease admitted from 2012 to 2016 for valve replacement, heart failure, unstable angina, non-ST-elevation myocardial infarction, or syncope. We also performed multinomial logistic regressions to investigate associations between patient and hospital characteristics and treatment. Among 366,909 patients hospitalized for aortic valve disease, there was a 48.1% annual increase from 2012 through 2016. Overall, 19.9%, 6.7%, and 73.4% of patients received SAVR, TAVR, and MT, respectively. SAVR decreased from 21.9% in 2012 to 18.5% in 2016, whereas TAVR increased from 2.6% to 12.5%, and MT decreased from 75.5% to 69.0%. Older age, female sex, greater severity of illness, more admission diagnoses, not-for-profit hospitals, large hospitals, and urban teaching hospitals were associated with greater use of TAVR. In multivariable analysis, likelihood of TAVR relative to SAVR increased 4.57-fold (95% confidence interval 4.21 to 4.97). TAVR has increased at the expense of both SAVR and MT, a novel finding. However, this increase in TAVR was distributed inequitably, with certain patients more likely to receive TAVR certain hospitals more likely to provide TAVR. With the expected expansion of indications, inequitable access to TAVR must be addressed.

SUBMITTER: Goldsweig AM

PROVIDER: S-EPMC6880229 | biostudies-literature | 2019 Sep

REPOSITORIES: biostudies-literature

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The Evolving Management of Aortic Valve Disease: 5-Year Trends in SAVR, TAVR, and Medical Therapy.

Goldsweig Andrew M AM Tak Hyo Jung HJ Chen Li-Wu LW Aronow Herbert D HD Shah Binita B Kolte Dhaval S DS Velagapudi Poonam P Desai Nihar N Szerlip Molly M Abbott J Dawn JD

The American journal of cardiology 20190607 5

Aortic stenosis (AS) and regurgitation (AR) may be treated with surgical aortic valve replacement (SAVR), transcatheter AVR (TAVR), or medical therapy (MT). Data are lacking regarding the usage of SAVR, TAVR, and MT for patients hospitalized with aortic valve disease and the characteristics of the patients and hospitals associated with each therapy. From the Nationwide Readmissions Database, we determined utilization trends for SAVR, TAVR, and MT in patients with aortic valve disease admitted fr ...[more]

PMID: 31277791

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Project description:ObjectivesThis study compared transcatheter aortic valve replacement (TAVR) and surgical aortic valve replacement (SAVR) in terms of short- and long-term effectiveness.MethodsThis retrospective cohort study based on nationwide National Health Insurance claims data and Cause of Death data focused on adult patients (n = 3,643) who received SAVR (79%) or TAVR (21%) between 2015 and 2019. Propensity score overlap weighting was applied to account for selection bias. Primary outcomes included all-cause mortality (ACM), hospitalization for heart failure, and a composite endpoint of major adverse cardiac events (MACE). Secondary outcomes included medical utilization, hospital stay, and total medical costs at index admission for the procedure and in various post-procedure periods. The Cox proportional-hazard model with competing risk was used to investigate survival and incidental health outcomes. Generalized estimation equation (GEE) models were used to estimate differences in the utilization of medical resources and overall costs.ResultsAfter weighting, the mean age of the patients was 77.98 ± 5.86 years in the TAVR group and 77.98 ± 2.55 years in the SAVR group. More than half of the patients were female (53.94%). The incidence of negative outcomes was lower in the TAVR group than in the SAVR group, including 1-year ACM (11.39 vs. 17.98%) and 3-year ACM (15.77 vs. 23.85%). The risk of ACM was lower in the TAVR group (HR [95% CI]: 0.61 [0.44-0.84]; P = 0.002) as was the risk of CV death (HR [95% CI]: 0.47 [0.30-0.74]; P = 0.001) or MACE (HR [95% CI]: 0.66 [0.46-0.96]; P = 0.0274). Total medical costs were significantly higher in the TAVR group than in the SAVR in the first year after the procedure ($1,271.89 ± 4,048.36 vs. $887.20 ± 978.51; P = 0.0266); however, costs were similar in the second and third years after the procedure. The cumulative total medical costs after the procedure were significantly higher in the TAVR group than in the SAVR group (adjusted difference: $420.49 ± 176.48; P = 0.0172).ConclusionIn this real-world cohort of patients with aortic stenosis, TAVR proved superior to SAVR in terms of clinical outcomes and survival with comparable medical utilization after the procedure.

Dataset Information

The Evolving Management of Aortic Valve Disease: 5-Year Trends in SAVR, TAVR, and Medical Therapy.

Publications

The Evolving Management of Aortic Valve Disease: 5-Year Trends in SAVR, TAVR, and Medical Therapy.

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