Comparison of Clinical and Radiologic Results Between Partial Meniscectomy and Refixation of Medial Meniscus Posterior Root Tears : A Minimum 5-Year Follow-up
- Authors
- Chung, Kyu Sung; Ha, Jeong Ku; Yeom, Cheol Hyun; Ra, Ho Jong; Jang, Ho Su; Choi, Seung Hyuk; Kim, Jin Goo
- Issue Date
- Oct-2015
- Publisher
- W B SAUNDERS CO-ELSEVIER INC
- Citation
- ARTHROSCOPY-THE JOURNAL OF ARTHROSCOPIC AND RELATED SURGERY, v.31, no.10, pp.1941 - 1950
- Indexed
- SCIE
SCOPUS
- Journal Title
- ARTHROSCOPY-THE JOURNAL OF ARTHROSCOPIC AND RELATED SURGERY
- Volume
- 31
- Number
- 10
- Start Page
- 1941
- End Page
- 1950
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/156149
- DOI
- 10.1016/j.arthro.2015.03.035
- ISSN
- 0749-8063
- Abstract
- Purpose: To compare the clinical and radiologic results of partial meniscectomy with those of refixation in patients with medial meniscus posterior root tears (MMPRTs) at a minimum 5-year follow-up. Methods: Between 2005 and 2009, patients with MMPRTs who had been followed up for at least 5 years after a partial meniscectomy (group M, n = 20) or pullout repair (group R, n = 37) were recruited. The mean follow-up duration was 67.5 months in group M and 72.0 months in group R. Clinical assessments, including the Lysholm score and International Knee Documentation Committee (IKDC) Subjective Knee Form score, and radiographic assessments, including the Kellgren-Lawrence (K-L) grade and medial joint space width, were evaluated preoperatively and at final follow-up. We compared the preoperative results with the final results in each group, and we compared the final results of groups M and R. Five-year survival rates were also evaluated. Results: The mean Lysholm score (P = .039) and IKDC score (P = .037) improved significantly. However, the width of the medial joint space (P < .001) and K-L grade (P < .001) worsened significantly in both groups. When we compared the final results, group R had significantly better Lysholm scores (P = .002) and IKDC scores (P < .001) than group M. Group R showed less K-L grade progression (P = .005) and less medial joint space narrowing (P < .001) than group M. The rate of conversion to total knee arthroplasty was 35% in group M, whereas there was no conversion to total knee arthroplasty in group R. The 5-year survival rates in groups M and R were 75% and 100%, respectively (P < .001). Conclusions: For MMPRTs, refixation was more effective than partial meniscectomy in terms of the clinical and radiologic outcomes and survival for at least 5 years' follow-up. Refixation slowed the progression of arthritic changes compared with partial meniscectomy, although it did not prevent the progression of arthrosis completely.
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