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Efficacy of arthroscopic anchor fixation of medial collateral ligament combined with anterior and posterior cruciate ligament reconstruction in the treatment of type KD-IIIM dislocation of knee joint / 中华创伤杂志
Chinese Journal of Trauma ; (12): 881-887, 2021.
Article in Chinese | WPRIM | ID: wpr-909952
ABSTRACT

Objective:

To compare the clinical effect of anchor fixation of medial collateral ligament(MCL)and non-repaired treatment combined with arthroscopic anterior and posterior cruciate ligament reconstruction in the treatment of type KD-IIIM(Schenck classification)dislocation of knee joint.

Methods:

A retrospective case-control study was conducted to analyze the clinical data of 41 patients with type KD-IIIM dislocation of the knee joint admitted to Xi'an Honghui Hospital of Xi'an Jiaotong University from September 2015 to September 2017. There were 26 males and 15 females,with the age range of 15-62 years[(37.7±13.9)years]. A total of 21 patients were treated by arthroscopic anterior and posterior cruciate ligament reconstruction and anchor fixation of MCL(repaired group)and 20 patients by arthroscopic anterior and posterior cruciate ligament reconstruction without MCL repair(non-repaired group). The perioperative complications were observed. Comparisons between the two groups were made before operation,4 months after operation and at the last follow-up in terms of Lysholm score,International Knee Documentation Committee(IKDC)score,Visual Analogue Scale(VAS)and range of motion of joint flextion and extension. The medial opening distance of stress X-ray of lower limbs was also observed at the last follow-up.

Results:

All patients were followed up for 48-66 months[(54.4±5.1)months]. No perioperative complications were noted. The Lysholm score,IKDC score,VAS and range of motion of joint flextion and extension showed no statistical differences between the two groups before operation( P>0.05),and all were improved from the preoperative level at 4 months after operation and at the last follow-up( P<0.05). The Lysholm score in repaired group were(69.7±5.1)points and(83.8±4.9)points at 4 months after operation and at the last follow-up,significantly higher than those in non-repaired group[(61.0±5.5)points and(74.6±6.0)points]( P<0.05). The IKDC score in repaired group was(71.8±4.0)points at 4 months after operation,significantly higher than that in non-repaired group[(71.1±3.9)points]( P<0.05). The IKDC score in repaired group was(82.3±5.1)points at the last follow-up,similar with that in non-repaired group[(83.2±4.0)points]( P>0.05). The VAS in repaired group was(2.5±0.6)points at 4 months after operation,significantly decreased in comparison with(3.2±1.2)points in non-repaired group( P<0.05). The VAS in repaired group was(2.0±1.4)points when compared to(2.2±1.3)points in non-repaired group at the last follow-up( P>0.05). The range of motion of joint flextion and extension in repaired group was(107.6±6.9)° and(125.9±7.8)° at 4 months after operation and at the last follow-up,significantly increased in comparison with(89.6±4.0)° and(120.9±5.2)° in non-repaired group( P<0.05). The medial opening distance in repaired group was(2.3±0.2)mm at the last follow-up,significantly decreased when compared to(3.1±0.2)mm in non-repaired group( P<0.05).

Conclusion:

For type KD-IIIM knee dislocation,arthroscopic anchor fixation of MCL or without MCL repair combined with anterior and posterior cruciate ligament reconstruction are both effective in satisfactory functional recovery,but MCL repair contributes to earlier function recovery,faster pain relief and more reliable joint stability.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Observational study Language: Chinese Journal: Chinese Journal of Trauma Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Observational study Language: Chinese Journal: Chinese Journal of Trauma Year: 2021 Type: Article