Reduced Operating Time but Not Blood Loss With Cruciate Retaining Total Knee Arthroplasty

Dinu Vermesan, Ilie Trocan, Radu Prejbeanu, Dan V Poenaru, Horia Haragus, Damian Gratian, Massimo Marrelli, Francesco Inchingolo, Monica Caprio, Raffaele Cagiano, Marco Tatullo


Background: There is no consensus regarding the use of retaining or replacing cruciate implants for patients with limited deformity who undergo a total knee replacement. Scope of this paper is to evaluate whether a cruciate sparing total knee replacement could have a reduced operating time compared to a posterior stabilized implant.

Methods: For this purpose, we performed a randomized study on 50 subjects. All procedures were performed by a single surgeon in the same conditions to minimize bias and only knees with a less than 20 varus deviation and/or maximum 15 fixed flexion contracture were included.

Results: Surgery time was significantly shorter with the cruciate retaining implant (P = 0.0037). The mean duration for the Vanguard implant was 68.9 (14.7) and for the NexGen II Legacy was 80.2 (11.3). A higher range of motion, but no significant Knee Society Scores at 6 months follow-up, was used as controls.

Conclusions: In conclusion, both implants had the potential to assure great outcomes. However, if a decision has to be made, choosing a cruciate retaining procedure could significantly reduce the surgical time. When performed under tourniquet, this gain does not lead to reduced blood loss.

J Clin Med Res. 2015;7(3):171-175


Incomplete tears; Meniscus in situ; Anatomic single bundle; Anterior cruciate ligament reconstruction

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