Efficacy and Safety of Emergent Transcatheter Aortic Valve Implantation in Patients with Acute Decompensated Aortic Stenosis: Systematic Review and Meta-Analysis

Table 1

Characteristics and methodological quality assessments.

					Newcastle–Ottawa scale
Study	Year	Location	Study design	Study period	Outcomes	Selection	Comparability	Outcome
Alnasser, S. et al	2014	Canada	Prospective cohort study	2009–2014	②④⑤⑦⑨⑩⑪⑭	★★★★	★☆	★★★
Landes, U. et al	2016	Israel	Prospective cohort study	2008.11–2015.4	①④⑥⑦⑧⑨⑩⑪⑫⑬⑭	★★★★	★☆	★★★
Frerker, C. et al	2016	Germany	Cohort study	2008.8–2013.9	①③④⑥⑧⑨⑩⑪⑫⑭	★★★★	★☆	★★☆
Angeras, O. et al	2017	Sweden	Cohort study	2008.5–2016.12	①③	★★☆★	☆☆	★★☆
Kolte, D. et al	2018	USA	Retrospective cohort study	2011.11–2016.6	①②③④⑤⑥⑧⑩⑪⑫⑭	★★★★	★★	★★☆
Pino, J.E. et al	2018	USA	Retrospective cohort study	—	①③	★★★★	☆☆	★★☆
Ichibori, Y. et al	2019	USA	Retrospective cohort study	2014.4–2017.3	①②③④⑥⑧⑨⑩⑪⑬⑭	★★★★	★☆	★★☆
Elbaz-Greener, G. et al	2019	Canada	Retrospective cohort study	2010.4–2016.3	①④⑤⑥⑦⑩⑪⑬	★★★★	★☆	★★★
Elbadawi, A. et al	2020	USA	Retrospective cohort study	2011–2014	②④⑤⑥⑨⑩⑪	★★★★	★★	★☆★
Chen, K. et al	2020	USA	Retrospective cohort study	2012.4–2017.7	①③⑤⑨⑩⑪⑬	★★★★	★☆	★★☆
Bianco, V. et al	2020	USA	Retrospective cohort study	2011–2018	①③⑤⑩⑪⑬⑭	★★★★	★★	★★★
Enta, Y. et al	2020	Japan	Retrospective cohort study	2013.10–2016.7	①②③④⑤⑥⑧⑩⑪⑫⑭	★★★★	★☆	★★★
Berkovitch, A. et al	2020	Israel	Prospectively cohort study	—	②③	★★☆★	★☆	★★☆
Kabahizi, A. et al	2021	UK	Retrospective cohort study	2007–2019	①②③④⑥⑧⑩⑫⑭	★★★★	★☆	★★★

Outcomes: ① 30-day mortality; ② in-hospital mortality; ③ one-year mortality; ④ AKI; ⑤ new dialysis; ⑥ major bleeding; ⑦ major and minor bleeding; ⑧ major vascular complication; ⑨ major and minor vascular complications; ⑩ PPM placement; ⑪ cerebrovascular events; ⑫ device success; ⑬ rehospitalization; ⑭ moderate to severe PVL.