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find Author "CAI Litao" 3 results
  • A modified Laprade technique in treatment of lateral multi-ligament injuries of knee

    ObjectiveTo evaluate the short-term effectiveness of a modified Laprade technique in the treatment of lateral multi-ligament injuries of knee by anatomical reconstruction of posterolateral complex (PLC) and anterior lateral ligament (ALL).MethodsBetween June 2013 and July 2015, 13 cases of lateral multi-ligament injuries of knee were treated. There were 9 males and 4 females with an average age of 38 years (range, 23-49 years). The injury was caused by traffic accident in 7 cases, falling from height in 4 cases, and sport injury in 2 cases. The time between injury and operation was 18-92 days (mean, 43 days). The results of anterior and posterior drawer tests and Lachmann test were positive, and all cases complicated by varus and external rotation instability. The Lysholm score of the knee was 38.4±7.7. According to International Knee Documentation Committee (IKDC) scoring, all were rated as grade D. According to Fanelli classification criteria, all were classified as type C. Anterior cruciate ligament, posterior cruciate ligament, PLC, and ALL were reconstructed simultaneously with autogenous tendon.ResultsAll incisions healed at stage I and no complication occurred. All patients were followed up 12-36 months (mean, 19 months). At last follow-up, the results of anterior and posterior drawer tests and Lachmann test were negative; 2 cases had varus instability, and 1 cases had external rotation instability. There was no anterior external rotation instability. The Lysholm score of the knee was 88.6 ±12.7, showing significant difference when compared with preoperative score (t=13.852, P=0.000). According to IKDC scoring, 8 cases were rated as grade A, 4 as grade B, and 1 as grade C; significant difference was found when compared with preoperative value (Z=3.182, P=0.000).ConclusionIn the treatment of lateral multi-ligament injuries knee, anatomical reconstruction of PLC and ALL with a modified Laprade technique can obtain good short-term effectiveness.

    Release date:2017-08-03 03:46 Export PDF Favorites Scan
  • Suture-bridge fixation under arthroscopy in treatment of tibial eminence avulsion fracture of anterior cruciate ligament in adolescents

    Objective To explore effectiveness of suture-bridge fixation under arthroscopy in treatment of tibial eminence avulsion fracture of anterior cruciate ligament in adolescents. Methods Between June 2013 and October 2016, 18 adolescent patients suffered from tibial eminence avulsion fracture of anterior cruciate ligament were treated by suture-bridge fixation under arthroscopy. There were 11 males and 7 females with an average age of 12.5 years (range, 5-17 years). The injury caused by bruise in 6 cases, by sprain in 4 cases, and by sport injury in 8 cases. The interval between injury and admission ranged from 2 hours to 10 months (median, 2 months). The results of preoperative Lachman and anterior drawer tests were positive. There were 10 cases of knee pain, 4 cases of knee extension limitation, and 4 cases of knee extension without strength. According to the Meyer-McKeever classification criteria, 12 cases were type Ⅱ and 6 cases were type Ⅲ. Results All incisions healed by first intention. All 18 patients were followed up 10-18 months after operation, with an average of 12 months. Postoperative X-ray films showed that all fractures healed after 6-12 weeks (mean, 8 weeks). The results of postoperative Lachman and anterior drawer tests were negative. At last follow-up, the Lysholm knee score was 90.1±5.0 and 93.1±6.2 for affected and unaffected sides, respectively, showing no signifi cant difference (t=0.669, P=0.184). There was no premature closure of skeleton or leg length discrepancy deformity. Conclusion For tibial eminence avulsion fracture of anterior cruciate ligament in adolescents, the suture-bridge fixation under arthroscopy is an effective method with many advantages, such as minimal invasion, reliable fixation, good fracture healing, and no need for second operation to remove implants.

    Release date:2018-10-31 09:22 Export PDF Favorites Scan
  • Posterior popliteal fossa S-shaped incision with double-window approach in treating posterior column of tibial plateau fractures

    ObjectiveTo evaluate the effectiveness and safty of posterior popliteal fossa S-shaped incision with double-window approach for the treatment of posterior column of tibial plateau fractures.MethodsA retrospective analysis was made on the clinical data of 13 patients with complex tibial plateau fractures involving both posteromedial and posterolateral columns between May 2015 and July 2017. There were 9 males and 4 females, aged 33-64 years (mean, 46.5 years). The causes of injury included traffic accident in 5 cases, falling from height in 2 cases, falling from electric bicycle in 4 cases, and falling because of skiing in 2 cases. The preoperative range of motion of the affected knees was (35.1±9.2)°. The time from injury to surgery was 7-19 days (mean, 13.3 days). All patients underwent a posterior popliteal fossa S-shaped incision through the window of medial heads of gastrocnemius muscle (medial window) and the window between medial and lateral head of gastrocnemius muscle (popliteal fossa window) approaches. After a good visual control of fracture reduction, both posteromedial and posterolateral columns of tibial plateau fractures were fixed with buttress plate respectively. Bone union, limb alignment, articular surface, and range of motion were estimated after operation. The American Hospital for Special Surgery (HSS) score was used to evaluate functional outcomes of knees.ResultsAfter operation, 1 patient had fat liquefaction and dehiscence of incision, which healed after expanding the wound; the other patients’ incisions healed by first intention, and no vascular or nerve injury occurred during operation. All the 13 patients were followed up 12-18 months (mean, 16 months). The X-ray films showed that all patients obtained good fracture unions, the fracture healing time was 14-22 weeks (mean, 18 weeks). At 12 months after operation, the articular surface was smooth without collapse, and the knee range of motion was (109.5±13.6)°, showing significant difference when compared with preoperative value (t=18.879, P=0.000). No complication of infection, re-displacement of fracture, or secondary varus/valgus deformity was observed during follow-up. The HSS score was 82-96 (mean, 89.6) at 12 months after operation, with the result of excellent in 10 cases and good in 3 cases.ConclusionThe posterior column fracture of tibial plateau involving both posteromedial and posterolateral columns treated by double-window approach through posterior popliteal fossa S-shaped incision is safe and effective, with satisfactory results and good recovery of knee joint function.

    Release date:2020-06-15 02:43 Export PDF Favorites Scan
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