• N Calvert, D Hind, R McWilliams, A Davidson, C A Beverley, and S M Thomas.
• School of Health and Related Research, Regent Court, Regent Street, Sheffield S1 4DA, UK. neil.calvert@btinternet.com
• Anaesthesia. 2004 Nov 1;59(11):1116-20.

AbstractWe compared the economics of using two-dimensional ultrasound locating devices and more traditional landmark methods for central venous cannulation in the National Health Service (NHS). The evaluation consisted of a systematic review of randomised controlled trials and an economic evaluation using decision analytic cost-effectiveness modelling. Incremental costs per complication avoided associated with landmark and ultrasound central venous cannulation were modelled for patients scheduled for central venous cannulation. The marginal economic cost of using ultrasound for central venous cannulation was less than 10 pounds sterling per procedure, assuming that a machine is used for 15 procedures each week. The base case scenario implied that 2000 pounds sterling worth of resource savings result for every 1000 procedures undertaken and 90 avoided complications. Sensitivity analysis indicated that the results of modelling appear robust to the central assumptions used. Ultrasound guidance used in central venous cannulation procedures saves NHS resources even with conservative modelling assumptions.

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