Internal jugular vein | Subclavian vein | Femoral vein | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
No of placements | No of placements | No of placements | % | |||||||||
Variable | Doppler ultrasound guidance | Landmark method | Effect size (95% CI) | P value | Doppler ultrasound guidance | Landmark method | Effect size (95% CI) | P value | Doppler ultrasound guidance | Landmark method | Effect size (95% CI) | P value |
%Adults | ||||||||||||
Relative risk: | ||||||||||||
Failed catheter placement | 86 | 99 | 0.39 (0.17 to 0.92) | 0.03 | 310 | 314 | 1.48 (1.03 to 2.14)* | 0.03* | - | - | NA | NA |
Complication with placement | 89 | 89 | 0.43 (0.17 to 1.05) | 0.06 | 262 | 264 | 0.57 (0.11 to 2.88) | 0.5 | - | - | NA | NA |
Failure on first attempt | 52 | 64 | 0.57 (0.37 to 0.88) | 0.01 | 143 | 143 | 1.04 (0.76 to 1.43)* | 0.8* | - | - | NA | NA |
Mean No: | ||||||||||||
Attempts to successful catheterisation | 34 | 35 | −0.59 (−1.82 to 0.65) | 0.4 | 48 | 50 | −0.4 (−0.61 to −0.19) | 0.0002 | - | - | NA | NA |
Seconds to successful catheterisation | 86 | 99 | 34.86 (−54.49 to 124.21)* | 0.4* | 48 | 50 | 209.00 (175.48 to 242.52)* | <0.0001* | - | - | NA | NA |
Infants | ||||||||||||
No of failed catheter placements | 13 | 16 | 1.23 (0.30 to 5.11)* | 0.8* | - | - | NA | NA | - | - | NA | NA |
No of complications from placement | 13 | 16 | 0.82 (0.16 to 4.20) | 0.8 | - | - | NA | NA | - | - | NA | NA |
Risk of failure on first attempt | - | - | NA | NA | - | - | NA | NA | - | - | NA | NA |
Mean No of attempts to successful catheterisation | - | - | NA | NA | - | - | NA | NA | - | - | NA | NA |
Mean No of seconds to successful catheterisation | 13 | 16 | 138.00 (−114.72 to 390.72)* | 0.3* | - | - | NA | NA | - | - | NA | NA |
NA=not available. Relative risks <1 favour Doppler ultrasound guidance.
↵* Outcome favours landmark method.