The Effect of Tourniquet Use and Sterile CO2 Gas Bone Preparation on Cement Penetration in Primary Total Knee Arthroplasty

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2019
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English
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Elsevier
Abstract

Introduction Tourniquetless total knee arthroplasty (TKA) is experiencing resurgence in popularity due to potential pain control benefits. Further, optimal cement technique and implant fixation remain paramount to long-term cemented TKA success, as aseptic loosening continues to be a leading cause of revision. The purpose of this study was to determine how tourniquet use and/or novel bone preparation using sterile, compressed carbon dioxide (CO2) gas affected cement penetration in TKA.

Methods A retrospective review was performed on 303 consecutive primary TKAs with the same implant in three groups: (1) a tourniquet without sterile CO2 compressed gas used for bone preparation, (2) no tourniquet with CO2 gas, and (3) tourniquet use and CO2 gas bone preparation. Cement penetration was measured on radiographs by two independent, blinded raters across seven zones defined by the Knee Society Radiographic Evaluation System.

Results The three groups did not differ on age, BMI, or sex (p≥0.1). Cement penetration was greater in six of seven zones with significantly greater cement penetration in three zones (Tibial AP Zone 2, Femoral Lateral Zones 3A and 3P) in groups that utilized CO2 gas bone preparation compared to the tourniquet only group (p≤0.039).

Conclusion Bone prepared with CO2 gas showed significantly more cement penetration in three zones with greater cancellous bone. The results suggest use of CO2 gas bone preparation may achieve greater cement penetration than using a tourniquet with lavage only.

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Gapinski, Z., Yee, E., Kraus, K. R., Deckard, E. R., & Meneghini, R. M. (2019). The Effect of Tourniquet Use and Sterile CO2 Gas Bone Preparation on Cement Penetration in Primary Total Knee Arthroplasty. The Journal of Arthroplasty. https://doi.org/10.1016/j.arth.2019.03.050
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The Journal of Arthroplasty
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