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KMID : 0361620080430010086
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Journal of the Korean Orthopaedic Association
2008 Volume.43 No. 1 p.86 ~ p.92
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A Study on the Development of Degenerative Osteoarthritis after Arthroscopic Total Menisectomy
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Jeong Bi-O
Yoon Kyoung-Ho
Bae Dae-Kyung
Lee Dong-Hoon
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Abstract
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Purpose: This study compared the clinical and radiological incidence of osteoarthritis after a total meniscectomy.
Materials and Methods: Seventy eight patients, who underwent a total meniscectomy, were evaluated after a minimum follow up of five years. The operations were a medial meniscectomy (group I) in 16 cases, a lateral meniscectomy (group II) in 17 cases, a discoid meniscus (group III) in 29 cases and medial meniscectomy with an anterior cruciate ligament reconstruction (group IV) in 16 cases. The development of degenerative osteoarthritis was analyzed using the Kaplan-Meyer survivorship.
Results: At postoperative 5 years and 7 years, degenerative osteoarthritis developed in 17% and 36% of patients, respectively. The incidence ofdegenerative osteoarthritis at postoperative 5 years and 7 years in groups I, II, III and IV was 9% and 18%, 14% and 29%, 25% and 46%, and 28% and 55%, respectively. The difference was statistically significant.
Conclusion: The meniscus deficient knee joint which varies according to the patterns of a meniscal injury, had a higher incidence of degenerative osteoarthritis. Careful attention should be paid to the treatment of meniscal tears.
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KEYWORD
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Knee, Degenerative osteoarthritis, Meniscal injury, Total meniscectomy
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