• Carsten O Tibesku, Pamela Hofer, Wesley Portegies, C J M Ruys, and Peter Fennema.
• Sporthopaedicum Straubing, Straubing, Germany.
• Arch Orthop Trauma Surg. 2013 Mar 1;133(3):405-11.

ObjectiveThe growing demand for total knee arthroplasty (TKA) associated with the efforts to contain healthcare expenditure by advanced economies necessitates the use of economically effective technologies in TKA. The present analysis based on activity-based costing (ABC) model was carried out to estimate the economic value of patient-matched instrumentation (PMI) compared to standard surgical instrumentation in TKA.MethodologyThe costs of the two approaches, PMI and standard instrumentation in TKA, were determined by the use of ABC which measures the cost of a particular procedure by determining the activities involved and adding the cost of each activity. Improvement in productivity due to increased operating room (OR) turn-around times was determined and potential additional revenue to the hospital by the efficient utilization of gained OR time was estimated.ResultsIncreased efficiency in the usage of OR and utilization of surgical trays were noted with patient-specific approach. Potential revenues to the hospital were estimated with the use of PMI by efficient utilization of time saved in OR. Additional revenues of 78,240 per year were estimated considering utilization of gained OR time to perform surgeries other than TKA.ConclusionsThe analysis suggests that use of PMI in TKA is economically effective when compared to standard instrumentation.

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