• Marco Antônio Percope Andrade, Luiz Fernando Ribeiro Monte, Gabriel Carvalho Lacerda, Túlio Ribeiro Dourado, Pengfei Lei, and Guilherme Moreira Abreu-E-Silva.
• Orthopaedic Department of Federal University of Minas Gerais, Av. Do Contorno 5351, 205, Belo Horizonte, Minas Gerais, 30110-923, Brazil.
• Arch Orthop Trauma Surg. 2022 May 1; 142 (5): 845-850.

IntroductionTotal knee arthroplasty is used to treat end-stage knee osteoarthritis with great results. Tourniquet use has become popular over the years because of its various benefits, but the literature regarding functional outcomes, pain and rehabilitation and comparison between tourniquet use and improvement cement penetration and overall improve fixation is limited. The authors proposed a hypothesis that cementation quality, and clinical outcomes can be influenced by tourniquet technique.MethodsFifty patients were allocated randomly in two groups: (1) tourniquet was inflated throughout all the procedure and (2) only during skin incision and cementation. Radiolucent lines were analyzed by two and independent examiners, using the The Knee Society Roentgenographic Evaluation and Scoring System. The functional scores used were the Oxford knee score and improvement in visual pain scale (VAS).ResultsAfter a mean follow-up period of 2.4 ± 0.2 years, no difference was observed regarding partial use of tourniquet in the cementation quality (p value > 0.05). There was no difference between groups regarding gender, age, knee side, Visual VAS, Oxford Score, total range-of-motion (ROM), knee extension and knee flexion (p value > 0.05).ConclusionsNo difference was attained regarding functional outcomes and cementation quality regarding two different tourniquet protocols.© 2021. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

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