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Am J Sports Med. 2018 Oct;46(12):3047-3056. doi: 10.1177/0363546517726963. Epub 2017 Sep 25.

Clinical Outcomes of Meniscal Allograft Transplantation With or Without Other Procedures: A Systematic Review and Meta-analysis.

Author information

1
Department of Orthopedic Surgery, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea.
2
Department of Preventive Medicine, Korea University College of Medicine, Seoul, Republic of Korea.
3
Department of Orthopedic Surgery, Inje University Busan Paik Hospital, Busan, Republic of Korea.
4
Department of Orthopedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.
5
Medical Library, The Catholic University of Korea, Seoul, Republic of Korea.

Abstract

BACKGROUND:

While additional procedures correcting accompanying pathological conditions can improve the clinical outcomes of meniscal allograft transplantation (MAT), whether those outcomes are comparable or poorer than those of isolated MAT has yet to be clarified.

PURPOSE:

‚ÄČTo evaluate whether there is a difference in clinical outcomes between isolated MAT and MAT combined with other procedures (combined MAT).

STUDY DESIGN:

Meta-analysis and systematic review.

METHODS:

For the comparison of clinical outcomes between isolated MAT and combined MAT, the authors searched MEDLINE, Embase, and the Cochrane Library. Studies that separately reported the clinical outcomes of isolated MAT and combined MAT were included. Clinical outcomes were evaluated in terms of patient-reported outcomes (PROs) and complication, reoperation, survivorship, and failure rates. We conducted a meta-analysis of the PROs that were used in more than 3 studies.

RESULTS:

A total of 24 studies were included in this study. In the meta-analysis, no significant differences in Lysholm scores (95% CI, -5.92 to 1.55; P = .25), Tegner activity scores (95% CI, -0.54 to 0.22; P = .41), International Knee Documentation Committee subjective scores (95% CI, -5.67 to 3.37; P = .62), and visual analog scale scores (95% CI, -0.15 to 0.94; P = .16) were observed between isolated MAT and combined MAT. For PROs that were not included in the meta-analysis, most studies reported no significant difference between the 2 groups. As for the survivorship and failure rates, studies showed varying outcomes. Four studies reported that additional procedures did not affect MAT failure or survivorship. However, 3 studies reported that ligament surgery, realignment osteotomy, and osteochondral autograft transfer were risk factors of failure. One study reported that the medial MAT group in which high tibial osteotomy was performed showed a higher survival rate than the isolated medial MAT group.

CONCLUSION:

Overall, there seems to be no significant difference between the postoperative PROs in terms of isolated MAT and combined MAT. However, more data are required to verify the effects of osteotomy and cartilage procedures on the clinical outcomes of MAT. We could not draw conclusions about the differences in complication, reoperation, survivorship, and failure rates between the 2 groups because we did not obtain sufficient data.

KEYWORDS:

meniscal allograft transplantation; meta-analysis; outcomes; systematic review

PMID:
28945482
DOI:
10.1177/0363546517726963

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