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  • Title: Effects of Unilateral Tourniquet Used in Patients Undergoing Simultaneous Bilateral Total Knee Arthroplasty.
    Author: Liu PL, Li DQ, Zhang YK, Lu QS, Ma L, Bao XZ, Zhang M.
    Journal: Orthop Surg; 2017 May; 9(2):180-185. PubMed ID: 28598560.
    Abstract:
    OBJECTIVE: To assess the benefits of use of a tourniquet in one limb in patients undergoing simultaneous bilateral total knee arthroplasty (TKA). METHODS: A prospective randomized trial was designed to evaluate the outcomes of unilateral tourniquet use during simultaneous bilateral TKA. A total of 52 (36 women and 16 men) patients with osteoarthritis who underwent simultaneous bilateral primary TKA between January 2010 and January 2015 were assigned randomly to tourniquet (TG) or non-tourniquet (NG) groups prior to surgery. Operating time, pain score, range of motion, first active straight-leg raise time, swelling, wound healing, deep vein thrombosis, and Knee Society score were observed. RESULTS: Mean operating time in the TG group was shorter than that in the NG group (P < 0.05). Postoperative pain was measured by a visual analog scale (VAS) and straight-leg raise time, which was lower and shorter in limbs operated without the use of a tourniquet (P < 0.05). In addition, this group had less postoperative swelling and lower incidence of wound complications in the early postoperative period (P < 0.05). There was no significant difference in the range of motion (ROM), deep venous thrombosis incidence, and Knee Society scores between the two groups. CONCLUSIONS: Tourniquet use in bilateral TKA can reduce intraoperative time but was associated with a higher incidence of wound complications and larger postoperative knee swelling.
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