From: Residents learning ultrasound-guided catheterization are not sufficiently skilled to use landmarks
Parameters | Ultrasound-guided n = 84 | Landmark-guided n = 88 | P-value |
---|---|---|---|
SAPS2 | 55 ± 18 | 55 ± 20 | 0.8 |
Body mass index, kg/m2 | 30 ± 10 | 28 ± 6 | 0.2 |
Heart rate, bpm | 92 ± 20 | 98 ± 23 | 0.07 |
SBP, mmHg | 113 ± 30 | 116 ± 30 | 0.3 |
DBP, mmHg | 60 ± 17 | 59 ± 17 | 0.6 |
Prothrombin time, % | 63 ± 21 | 64 ± 19 | 0.1 |
Activated partial thromboplastin time, sec | 33 ± 8 | 36 ± 17 | 0.2 |
Platelet count, 103/mm3 | 186 ± 120 | 188 ± 122 | 0.9 |
Type of catheter (central venous catheter / dialysis catheter), n | 49 (58)/35 (42) | 41 (47)/47 (53) | 0.3 |
Site (jugular/femoral), n | 49 (58)/35 (42) | 36 (41)/52 (59) | 0.05 |