Table 3 Average score of confidence for each step of training with the idealised model and the anatomical model. P values compare scores between idealised and anatomical models
Steps of the m-TEER procedure | Idealised model | Anatomical model | T-test P values |
|---|---|---|---|
Transseptal crossing | 3.3 (± 0.91) | 3.5 (± 0.72) | 0.43 |
Steering clip in LA | 3.6 (± 0.78) | 3.9 (± 0.78) | 0.10 |
Positioning trajectory of the clip | 3.6 (± 0.98) | 3.9 (± 0.78) | 0.33 |
Recognising area of interest on MV | 3.4 (± 1.2) | 4.0 (± 0.87) | < 0.01 |
Assessing position of clip above valve | 3.6 (± 0.78) | 4.1 (± 0.75) | < 0.01 |
Assessing orientation of clip above valve | 3.6 (± 0.86) | 4.1 (± 0.80) | 0.01 |
Grasping leaflets | 3.7 (± 0.71) | 4.2 (± 0.73) | 0.46 |
closing a clip | 4.0 (± 0.69) | 4.2 (± 0.90) | 0.46 |
Re-opening clip and re-positioning | 3.6 (± 0.78) | 4.1 (± 0.86) | < 0.01 |