Difficulty in infraclavicular subclavian venous catheterization
| Group 1: complicated SVC (n=44) | Group 2: uncomplicated SVC (n=90) | P value | |
| Duration of the procedure (min)* | 16.4±3.9 | 13.7±4.8 | 0.002 |
| Number of attempts* | 2±0.8 | 1.4±0.7 | <0.001 |
| Single shot | 16 (36.3%) | 82 (91.1%) | <0.001 |
| Difficult catheter placement (more than two attempts) | 16 (36.3%) | 5 (5.5%) | <0.001 |
| Accidental arterial puncture | 4 (9%) | 4 (4.4%) | 0.243 |
| Thrombocytopenia <50 000 | 18 (40.9%) | 12 (13.3%) | <0.001 |
*Data were presented with mean±SD.
SVC, subclavian vein catheter.