Meniscus Regeneration After Meniscectomy and Its Clinical Significance

Inclusion Criteria

• •1. Patients intending to undergo single-knee ACL reconstruction at our Institute of Sports Medicine.
• •2. The age of 18 \~ 50 years old at the time of operation.
• •3. Both men and women.
• •4. BMI \< 24.
• •5. Complete or partial meniscectomy was performed at the same time as ACL reconstruction.
• •6. Patients willing to undergo a second arthroscopic exploration 2 years postoperatively and to take the portal screws used to fix the ligaments during the initial surgery.
• •7. Patients with preserved meniscus video during ACL reconstruction.
• •8. The degree of knee osteoarthritis (KOA) at the time of operation was \< Ⅲ of Kellgren Laurence level.