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Abstract：
OBJECTIVE: The purpose of this study was to propose a surgical technique for arthroscopic medial patellofemoral ligament (MPFL) reconstruction with polyethylene suture combined with medial retinaculum plication and to evaluate the efficacy of this surgical technique in the treatment of acute patellar dislocation.
METHODS: Clinical data of patients with acute patellar dislocations treated with arthroscopic MPFL reconstruction with polyethylene tape (FiberTape) combined with medial support band compression were analyzed retrospectively from January 2018 to January 2021. The mean age of the patients was 25.15 ± 4.66 years; the mean follow-up time was 27.5 (24-36) months. Clinical evaluation consisted of apprehension test results, patellar extrapolation test results, Lysholm score, Kujala score, and IKDC score, the Patellar lateral shift distance and patellar tilt angle (PTA) measured by CT scan.
RESULTS: All patients had no recurrent patellar dislocation or subluxation after surgery, and the apprehension test was negative. In all patients, the Kujala score (36.0 ± 9.9 vs. 98.2 ± 3.1), the IKDC score (48.6 ± 7.0 vs. 90.6 ± 4.4) and the Lysholm score (32.8 ± 10.4 vs. 96.7 ± 3.1) had improved at the 24-month follow up (P < 0.05). In addition, PTA was significantly lower at the 12-month follow-up and 24-giving-month follow-up compared to the preoperative period (P < 0.05, Table 2). The patellar lateral shift distance decreased from 14.94 ± 6.11 mm preoperatively to 3.00 ± 1.40 mm (12-month follow up) and 3.26 ± 1.37 mm (24-month follow up), respectively.
CONCLUSIONS: Arthroscopic MPFL reconstruction with polyethylene suture combined with medial retinaculum plication is a safe and reliable surgical technique for the treatment of acute patellar dislocation in young and middle-aged patients.
METHODS: Level III, Therapeutic Study.
METHODS: Clinical data of patients with acute patellar dislocations treated with arthroscopic MPFL reconstruction with polyethylene tape (FiberTape) combined with medial support band compression were analyzed retrospectively from January 2018 to January 2021. The mean age of the patients was 25.15 ± 4.66 years; the mean follow-up time was 27.5 (24-36) months. Clinical evaluation consisted of apprehension test results, patellar extrapolation test results, Lysholm score, Kujala score, and IKDC score, the Patellar lateral shift distance and patellar tilt angle (PTA) measured by CT scan.
RESULTS: All patients had no recurrent patellar dislocation or subluxation after surgery, and the apprehension test was negative. In all patients, the Kujala score (36.0 ± 9.9 vs. 98.2 ± 3.1), the IKDC score (48.6 ± 7.0 vs. 90.6 ± 4.4) and the Lysholm score (32.8 ± 10.4 vs. 96.7 ± 3.1) had improved at the 24-month follow up (P < 0.05). In addition, PTA was significantly lower at the 12-month follow-up and 24-giving-month follow-up compared to the preoperative period (P < 0.05, Table 2). The patellar lateral shift distance decreased from 14.94 ± 6.11 mm preoperatively to 3.00 ± 1.40 mm (12-month follow up) and 3.26 ± 1.37 mm (24-month follow up), respectively.
CONCLUSIONS: Arthroscopic MPFL reconstruction with polyethylene suture combined with medial retinaculum plication is a safe and reliable surgical technique for the treatment of acute patellar dislocation in young and middle-aged patients.
METHODS: Level III, Therapeutic Study.
摘要：
目的：本研究的目的是提出一种关节镜下聚乙烯缝合联合内侧支持带折叠重建内侧髌股韧带（MPFL）的手术方法，并评价该手术方法治疗急性髌骨脱位的疗效。
方法：回顾性分析2018年1月至2021年1月采用关节镜下聚乙烯带（FiberTape）MPFL重建联合内侧支撑带压迫治疗的急性髌骨脱位患者的临床资料。患者的平均年龄为25.15±4.66岁；平均随访时间为27.5（24-36）个月。临床评估包括忧虑试验结果，髌骨外推试验结果,Lysholm得分,Kujala得分,和IKDC评分，CT扫描测量髌骨侧移距离和髌骨倾斜角(PTA)。
结果：所有患者术后无复发性髌骨脱位或半脱位，忧虑测试是阴性的。在所有患者中，Kujala得分（36.0±9.9vs.98.2±3.1),IKDC评分(48.6±7.0vs.90.6±4.4）和Lysholm评分（32.8±10.4vs.随访24个月，96.7±3.1）有所改善（P<0.05）。此外,12个月随访和24个月随访的PTA与术前相比显著降低(P<0.05,表2)。髌骨侧移距离由术前14.94±6.11mm下降至3.00±1.40mm(12个月随访)和3.26±1.37mm(24个月随访),分别。
结论：关节镜下聚乙烯缝合MPFL重建联合内侧支持带折叠术是治疗中青年急性髌骨脱位的一种安全可靠的手术方法。
方法：三级，治疗研究。
方法：回顾性分析2018年1月至2021年1月采用关节镜下聚乙烯带（FiberTape）MPFL重建联合内侧支撑带压迫治疗的急性髌骨脱位患者的临床资料。患者的平均年龄为25.15±4.66岁；平均随访时间为27.5（24-36）个月。临床评估包括忧虑试验结果，髌骨外推试验结果,Lysholm得分,Kujala得分,和IKDC评分，CT扫描测量髌骨侧移距离和髌骨倾斜角(PTA)。
结果：所有患者术后无复发性髌骨脱位或半脱位，忧虑测试是阴性的。在所有患者中，Kujala得分（36.0±9.9vs.98.2±3.1),IKDC评分(48.6±7.0vs.90.6±4.4）和Lysholm评分（32.8±10.4vs.随访24个月，96.7±3.1）有所改善（P<0.05）。此外,12个月随访和24个月随访的PTA与术前相比显著降低(P<0.05,表2)。髌骨侧移距离由术前14.94±6.11mm下降至3.00±1.40mm(12个月随访)和3.26±1.37mm(24个月随访),分别。
结论：关节镜下聚乙烯缝合MPFL重建联合内侧支持带折叠术是治疗中青年急性髌骨脱位的一种安全可靠的手术方法。
方法：三级，治疗研究。
