Intended for healthcare professionals

TABLE 3

Summary of significance of outcome measures for Doppler ultrasound guidance compared with landmark method for catheterisation

Internal jugular veinSubclavian veinFemoral vein
No of placementsNo of placementsNo of placements%
VariableDoppler ultrasound guidanceLandmark methodEffect size (95% CI)P valueDoppler ultrasound guidanceLandmark methodEffect size (95% CI)P valueDoppler ultrasound guidanceLandmark methodEffect size (95% CI)P value
%Adults
Relative risk:
Failed catheter placement86990.39 (0.17 to 0.92)0.033103141.48 (1.03 to 2.14)*0.03*--NANA
Complication with placement89890.43 (0.17 to 1.05)0.062622640.57 (0.11 to 2.88)0.5--NANA
Failure on first attempt52640.57 (0.37 to 0.88)0.011431431.04 (0.76 to 1.43)*0.8*--NANA
Mean No:
Attempts to successful catheterisation3435−0.59 (−1.82 to 0.65)0.44850−0.4 (−0.61 to −0.19)0.0002--NANA
Seconds to successful catheterisation869934.86 (−54.49 to 124.21)*0.4*4850209.00 (175.48 to 242.52)*<0.0001*--NANA
Infants
No of failed catheter placements13161.23 (0.30 to 5.11)*0.8*--NANA--NANA
No of complications from placement13160.82 (0.16 to 4.20)0.8--NANA--NANA
Risk of failure on first attempt--NANA--NANA--NANA
Mean No of attempts to successful catheterisation--NANA--NANA--NANA
Mean No of seconds to successful catheterisation1316138.00 (−114.72 to 390.72)*0.3*--NANA--NANA
  • NA=not available. Relative risks <1 favour Doppler ultrasound guidance.

  • * Outcome favours landmark method.