目的 观察关节镜下髌外侧支持带松解+氨甲环酸治疗髌骨外侧高压综合征的临床效果。方法 选取2018年4月—2021年3月接收的100例髌骨外侧高压综合征患者作为此次研究对象,并采用随机数字表法将其为常规组、研究组,各50例。常规组采用关节镜下髌外侧支持带松解治疗,而研究组采用关节镜下髌外侧支持带松解+氨甲环酸治疗,比较两组的术前、术后1个月血红蛋白（Hb）、D-二聚体（D-dimer）、视觉模拟疼痛评分（VAS）、术后软组织瘀斑膝上周径和下肢血栓发生率。结果 术后1个月,研究组的Hb、D-dimer水平均高于常规组（P<0.05）;同时,研究组的VAS评分低于常规组,其术后软组织瘀斑膝上周径短于常规组（P<0.05）;且研究组术后下肢血栓发生率（0.00%）低于常规组（10.00%）（P<0.05）。结论 在髌骨外侧高压综合征中采用关节镜下髌外侧支持带松解+氨甲环酸治疗,能有效改善患者的Hb、D-dimer水平,减轻其疼痛,改善瘀斑,降低下肢血栓发生率。

Objective To observe the clinical effect of arthroscopic release of lateral patellar retinaculum plus tranexamic acid on excessive lateral pressure syndrome. Methods A total of 100 patients with excessive lateral pressure syndrome admitted from April 2018 to March 2021 were selected as study subjects, and divided into a routine group and a combined group by random number table method, with 50 cases in each group. The routine group was treated by release of lateral patellar retinaculum under arthroscopy, while the combined group received release of lateral patellar retinaculum under arthroscopy plus tranexamic acid treatment. The two groups were compared in preoperative and 1-month postoperative hemoglobin （Hb）, D-dimer, and Visual Analogue Scale （VAS） score, as well as postoperative knee last knee diameter and incidence of thrombosis of lower limbs. Results At 1 month after operation, compared with the routine group, the levels of Hb and D-dimer in the combined group were higher, the VAS score of the combined group was lower, and the knee diameter of soft tissue ecchymosis was shorter than that of routine group（P<0.05）, and the incidence rate of lower limb thrombosis in the combined group （0.00% vs. 10.00%） was lower （P<0.05）. Conclusion Arthroscopic treatment of lateral patellar retinaculum combined with tranexamic acid for excessive lateral pressure syndrome can effectively elevate the levels of Hb and D-dimer, relieve pain, reduce ecchymosis, and decrease the incidence of lower limb thrombosis.