• 1. The Second Department of Joint Surgery, the Second Hospital of Tangshan, Tangshan Hebei, 063000, P. R. China;
  • 2. The First Department of Joint Surgery, the Second Hospital of Tangshan, Tangshan Hebei, 063000, P. R. China;
  • 3. Departments of Scientific Research and Education, the Second Hospital of Tangshan, Tangshan Hebei, 063000, P. R. China;
  • 4. The Fourth Department of Hand Surgery, the Second Hospital of Tangshan, Tangshan Hebei, 063000, P. R. China;
MIAO Yi, Email: 493583908@qq.com
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Objective  To exploring effectiveness of arthroscopic All-inside single needle vertical suture technique in treatment of complete radial tear of the meniscus. Methods  Between January 2019 and January 2022, 18 patients (18 knees) with complete radial tear of the meniscus were treated by using arthroscopic All-inside single needle vertical suture technique. Among them, there were 12 males and 6 females with an average age of 37.1 years (range, 16-50 years). The causes of radial meniscus tears included the sports injuries in 11 cases, sprains/falls in 4 cases, and traffic accident injuries in 3 cases. The interval between injury and operation was 3-25 days (mean, 11.7 days). All patients had knee joint pain. Knee joint tenderness and McMurray sign were both positive. MRI showed the 15 cases of lateral meniscus tear and 3 cases of medial meniscus tear; 6 cases of simple meniscus tear, 11 cases of combined anterior cruciate ligament injury, 1 case of combined posterior cruciate ligament injury, and 15 cases of combined tibial plateau bone contusion. The operation time and incidence of postoperative complications were recorded. At last follow-up, the healing of the meniscus was evaluated according to Barrett's criteria and knee joint MRI, respectively. Lysholm score and International Knee Documentation Committee (IKDC) score were used to evaluate the functional recovery of the knee joint. Results  The operation time was 19-28 minutes (mean, 23.3 minutes) in 6 patients with simple radial meniscus tear and 38-52 minutes (mean, 45.8 minutes) in 12 patients with concomitant cruciate ligament injuries. All incisions healed by first intention. After operation, 1 patient developed the deep vein thrombosis of lower limb, the other patients had no complications. All patients were followed up 12-18 months (mean, 15.2 months). At last follow-up, , 16 cases of meniscus reached clinical healing according to Barrett's criteria, with a healing rate of 88.9%. MRI re-examination of the knee joint showed that 5 cases had complete healing of the meniscus, 11 cases had partial healing, and 2 cases did not heal. The total healing rate (complete healing+partial healing) was 88.9%. After operation, the Lysholm score and IKDC score of 18 patients increased compared to preoperative scores, and further improved with time. The differences between different time points were significant (P<0.05). Six patients with simple radial tears of the meniscus had the same changes in the above scores, and the different time points were significant (P<0.05). Conclusion  The arthroscopic All-inside single needle vertical suture technique can achieve good short-term effectiveness in the treatment of complete radial tears of the meniscus.

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