TABLE 1.
Overview of the included study.
| References | Study type | Region | Year | Patients, n | Age, years | Female | Surgical risk |
| Doldi et al. (21) | Original article | Germany (Munich) | COP: December 2020 to October 2021 TCC: April 2019 to November 2020 | COP: 61 TCC: 61 | COP: 82.5 (79.0, 86.8) TCC: 83.3 (80.4, 87.9) | COP: 15/61 TCC: 10/61 | STS: COP: 3.5 (2.6, 3.7) TCC: 3.1 (2.0, 4.9) |
| Pascual et al. (22) | Original article | Spain Canada Mexico | February 2015 to February 2021 | COP: 161 TCC: 161 | COP: 81.8 ± 8.9 TCC: 82.5 ± 6.9 | COP: 82/161 TCC: 91/161 | STS: COP: 4.3 ± 1.9 TCC: 4.2 ± 2.0 |
| Medranda et al. (13) | Abstract | United States (Washington and Baltimore) | January 2018 to June 2021 | COP: 52 TCC: 225 | Mean age: 81.5 | 160/277 | Mean STS score: 4.5 |
| Mendiz et al. (23) | Original article | Argentina Slovenia Costa Rica | COP: August 2019 to June 2020 TCC: before August 2019 | COP: 156 TCC: 101 | COP: 79.6 ± 7.4 TCC: 79.8 ± 7.9 | COP: 77/156 TCC: 52/101 | STS: COP: 5.9 ± 2.6 TCC: 5.8 ± 2.4 |
| Sadiq et al. (14) | Abstract | United States (Connecticut) | COP: January 2020 to January 2021 TCC: January 2019 to January 2020 | COP: 75 TCC: 104 | – | – | – |
| Perez et al. (15) | Abstract | Chile | – | COP: 41 TCC: 32 | COP: 78.3 ± 6.9 TCC: 77.7 ± 10.0 | COP: 26/41 TCC: 21/32 | STS: COP: 4.3 ± 2.5 TCC: 6.7 ± 3.9 |
| Maier et al. (16) | Abstract | Germany (Dusseldorf and Frankfurt) | COP: September 2020 to February 2021 TCC: January 2016 to August 2020 | COP: 127 TCC: 589 | – | – | – |
| Goel et al. (17) | Abstract | United States (New York) | January 2017 to January 2021 | COP: 202 TCC: 325 | – | – | – |
| Jones et al. (18) | Abstract | Australia | COP: January 2020 to March 2021 TCC: between 2008 and 2021 | COP: 139 TCC: 452 | 81 ± 13 | – | EuroSCORE II 5.2 ± 4.1 |
| Aljabbary et al. (19) | Abstract | Canada | COP: July 2018 to February 2020 TCC: April 2016 to March 2017 | COP: 393 TCC: 127 | – | – | – |
| Raza et al. (20) | Abstract | United States (New York) | November 2014 to June 2016 | COP: 46 TCC: 17 | COP: 81 ± 9 TCC: 77 ± 9 | COP: 23/46 TCC: 6/17 | STS: COP: 9.1 ± 5.8 TCC: 7.7 ± 4.6 |
COP, cusp-overlap projection; EuroSCORE, European System for Cardiac Operative Risk Evaluation; STS, Society of Thoracic Surgeons; TCC, three-cusp coplanar.