Abstract
Purpose
Conventional reconstruction of the anterior cruciate ligament (ACL) has a high success rate. Computer-assisted navigation systems (CANSs) have been developed to further improve the accuracy of tunnel positioning. What is the economic impact from the hospital perspective?
Methods
Patients having a first ACL reconstruction procedure were included in a prospective multicentre open controlled study comparing two groups: CANS versus conventional surgery. The primary clinical efficacy criterion was the objective International Knee Documentation Committee score at 1–2-year follow-up. Costs were collected retrospectively nationwide.
Results
No significant differences were found for the clinical effectiveness between conventional surgery (100 patients) and CANS (114 patients) at follow-up: ORadjusted 1.01 [0.36–2.84] (n.s). Junior surgeons achieved a significant mean decrease in operating time during the study period: 30 % in the CANS group compared with 10 % in the control group (p < 0.01). The average cost of surgery was 704€ for the control group and 1,158€ for the CANS group (p < 0.01). The cost of the operating room accounts for >70 % of the total cost. The surgeon’s status and the technical CANS learning effect influenced this cost. The cost differential between the two groups decreased with ‘CANS’ expertise: 238€ and 271€ in ‘expert’ centres versus 427€ to 731€ in other centres.
Conclusion
While our study demonstrates the feasibility and the potential interest of CANS for training in ACL reconstruction, from a hospital perspective it is not cost efficient at present.
Level of evidence
Economic and decision analysis—developing an economic or decision model, Level II.
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Acknowledgments
This study was supported by the clinical research program of the French Ministry of Health (Programme de soutien aux techniques innovantes et coûteuses, STIC/Ministère de la Santé/DHOS). We are indebted to the other members of the CANS ‘STIC’ group: B Schlaterrer, F De Peretti, F Dubrana, N Pujol, N Bellot, N Graveleau, P Hardy, F Farizon, S Paratte, JN Argenson, J Pernin, P Massin, O Touchard, and D Molé; and to Alison Foote for critically reading and editing the manuscript. The study was funded by the French Ministry of Health (National Health Program: Programme National de Soutien aux Innovations Techniques Coûteuses, STIC 2005).
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The authors declare that they have no conflict of interest.
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Margier, J., Tchouda, S.D., Banihachemi, JJ. et al. Computer-assisted navigation in ACL reconstruction is attractive but not yet cost efficient. Knee Surg Sports Traumatol Arthrosc 23, 1026–1034 (2015). https://doi.org/10.1007/s00167-013-2831-2
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DOI: https://doi.org/10.1007/s00167-013-2831-2