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  • Title: [Early clinical application of Mako robot-assisted total knee arthroplasty in knee osteoarthritis].
    Author: Ru YF, He RX.
    Journal: Zhongguo Gu Shang; 2023 Feb 25; 36(2):133-9. PubMed ID: 36825413.
    Abstract:
    OBJECTIVE: To investigate the early efficacy of Mako robot-assisted total knee arthroplasty (TKA) in the treatment of knee osteoarthritis (KOA) and summarize the initial application experience. METHODS: Retrospective analysis of 73 patients with KOA treated with Mako robot-assisted TKA from June 2021 to December 2021. There were 16 males and 57 females, aged from 54 to 81 years old with an average of (67.8±6.6) years old. The hip knee and ankle angle (HKA), lateral distal femoral angle (LDFA), medial proximal tibial angle (MPTA), lateral femoral component angle (LFCA) and lateral tibial component angle (LTCA) were recorded and analyzed. WOMAC score and KSS were used to compare the functional recovery of patients preoperatively, 3 and 6 months postoperatively. RESULTS: All the 73 patients were successfully treated without serious complications such as vascular and nerve injury, and all the incisions healed well at stageⅠwithout infection. The patients were followed up from 4 to 11 months with an average of (7.0±2.7) months, and the satisfaction rate of the last follow-up was 90.41% (66/73). WOMAC scores were (23.1±5.4) at 3 months and (14.8±4.1) at 6 months postoperatively. KSS clinical scores were ( 76.1±4.0) at 3 months and (82.1±3.7) at 6 months postoperatively;KSS functional scores were (74.3±3.1) at 3 months and (78.6±2.1) at 6 months after operation. Postoperative imaging showed good position of the prosthesis, HKA angle was (178.5±2.1)°, LDFA was (91.2±1.8)°, MPTA was(89.9±1.5) °, LFCA was (7.6±3.1)°, LTCA was (88.2±1.1)°. The mechanical axis within ±3° in sixty cases(82.2%), and the mechanical axis within ±6° in all the patients. CONCLUSION: Mako robot-assisted TKA is a safe and effective surgery in the treatment of knee osteoarthritis, which exhibited good efficacy in the correction of lower limb alignment, soft tissue balance and improvement of knee function. The long-term efficacy needs further follow-up observation.
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