Table 2 Venous cannulation characteristics
OOP-IJV group (n = 125) | IP-SSCV group (n = 125) | p | |
|---|---|---|---|
Primary outcome | |||
First attempt success rate (%) | 63.2 | 83.2 | 0.001 |
Secondary outcomes | |||
US scanning time (s) | 5.26 ± 4.05 | 16.54 ± 13.51 | < 0.001 |
Venous puncture time (s) | 19.55 ± 15.71 | 22.41 ± 18.68 | 0.19 |
Insertion time (s) | 53.12 ± 40.21 | 43.98 ± 26.77 | 0.038 |
Overall access time (s) | 57.95 ± 40.78 | 59.68 ± 36.13 | 0.73 |
Mean number of puncture attempts | 1.47 ± 0.71 | 1.16 ± 0.39 | < 0.001 |
Mean number of needle redirections | 1.17 ± 0.95 | 0.69 ± 0.58 | < 0.001 |
Success rate (%) | 96.8 | 98.4 | 0.68 |
Guidewire advancing difficulties (n (%)) | 34 (27.4) | 3 (2.4) | < 0.001 |
Venous collapse (n (%)) | 23 (18.4) | 3 (2.4) | < 0.001 |
Adverse events (n (%)) | 17 (13.6) | 11 (8.8) | 0.22 |
Pneumothorax | 0 | 1 (0.8) | 0.31 |
Hemothorax | 0 | 0 | – |
Arterial puncture | 3 (2.4) | 4 (3.2) | 0.7 |
Hematoma | 14 (11.2) | 5 (4) | 0.03 |
Catheter malposition | 0 | 1 (0.8) | 0.31 |