Table 3 Outcome measures in the last five ultrasound-guided procedures and the first five landmark procedures
From: Residents learning ultrasound-guided catheterization are not sufficiently skilled to use landmarks
Last 5 ultrasound-guided (UG) procedures | First 5 landmark (LM) procedures | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Resident | Number of procedures (UG/LM) | Success rate | Complication rate | Venous return time, minutes | Procedure time, minutes | Number of attempts | Success rate | Complication rate | Venous return time, minutes | Procedure time, minutes | Number of attempts |
1 | 10/9 | 80% | 20% | 1.3 ± 2.5 | 6.5 ± 3.5 | 1.6 ± 0.9 | 40% | 0% | 1.6 ± 0.8 | 7.7 ± 2.5 | 2.0 ± 1.0 |
2 | 11/9 | 60% | 0% | 0.3 ± 0.5 | 1.8 ± 0.3 | 1.8 ± 1.1 | 60% | 60% | 6.0 ± 7.9 | 8.7 ± 8.1 | 2.4 ± 0.9 |
3 | 8/9 | 100% | 20% | 3.0 ± 2.8 | 6.4 ± 3.8 | 1.6 ± 0.5 | 40% | 40% | 0.1 ± 0.1 | 7.5 ± 0.7 | 1.6 ± 0.9 |
4 | 9/11 | 100% | 0% | 0.5 ± 0.6 | 8.1 ± 3.3 | 1.2 ± 0.4 | 60% | 40% | 2.6 ± 3.7 | 3.5 ± 0.9 | 2.0 ± 1.0 |
5 | 9/9 | 100% | 0% | 0.5 ± 0.2 | 4.3 ± 1.4 | 1.0 ± 0.1 | 80% | 20% | 1.7 ± 2.2 | 3.1 ± 2.6 | 1.4 ± 0.5 |
6 | 14/11 | 100% | 0% | 0.2 ± 0.2 | 8.4 ± 5.0 | 1.6 ± 0.9 | 80% | 20% | 1.0 ± 2.0 | 5.6 ± 0.9 | 2.0 ± 1.0 |
7 | 12/13 | 100% | 0% | 1.1 ± 1.7 | 3.9 ± 2.3 | 1.4 ± 0.9 | 100% | 0% | 0.6 ± 0.3 | 4.0 ± 1.7 | 1.8 ± 0.8 |
8 | 11/15 | 100% | 20% | 1.2 ± 2.4 | 8.0 ± 4.6 | 1.4 ± 0.5 | 60% | 80% | 8.3 ± 7.5 | 10.0 ± 5.0 | 2.4 ± 0.9 |
All | 11 ± 2/11 ± 2 | 93% | 8% | 1.0 ± 1.8 | 6.1 ± 3 .8 | 1.5 ± 0.7 | 65%a | 33%a | 2.7 ± 4.4a | 5.9 ± 3.8 | 2.0 ± 0.9a |