T. Mologne (Appleton, US)

Orthopedic and Sports Institute of the Fox Valley
I am an orthopedic surgeon that specializes in sports medicine; including complex cartilage restoration in the knee and shoulder. I have been in practice since 1996 and am currently working at the Orthopedic and Sports Institute of the Fox Valley in Appleton; Wisconsin.

Presenter Of 1 Presentation

 ICRS 2022 - Online Programme
Podium Presentation Allografts

16.3.3 - Osteochondral Allograft Transplant for Large MFC Defects: LFC vs. MFC Donors and Single vs. Double Plug Constructs

Presentation Topic
Allografts
Date
14.04.2022
Lecture Time
11:42 - 11:51
Room
Potsdam 1
Session Name
16.3 - Allografts
Session Type
Free Papers
Speaker
Authors
Disclosure
W. Bugbee, Arthrex,consultant, Cartilage: Editorial Board, DePuy, consultant, DJ Orthopaedics: consultant, insight medical: consultant/stock, ICRS: Board member, JRF Ortho: consultant, Moximed: Stock, Orthalign: consultant/stock, Smith& Nephew: royalties/

Abstract

Purpose

Determine the most suitable graft options for osteochondral allograft transplantation of a large MFC defect

Methods and Materials

120 fresh frozen human femoral condyles were matched into 30 groups of four condyles (1 MFC recipient, 3 donor condyles). OCA transplants were done on 17x36 mm defects in MFCs using orthotopic MFC, non-orthotopic LFC, and oerlapping OCA plugs. Specimen were analyzed with a nano-CT to assess contour and surface step-off. Dragonfly 3D and Excel were used to determine the root mean square (RMS) of both the surface height deviation and circumferential step-off height deviation between the native and donor cartilage surfaces.

Results

All three graft options successfully restored the surface contour within acceptable limits without signficant differences between graft source. Oval LFC and MFC grafts had less step-off height differences than overlapping cylindrical plugs.

Conclusion

Oval MFC & LFC OCA grafts produce a significantly better surface contour and graft:native cartilage interface match to the native MFC than mastercard grafts for oval defects. Contralateral LFC grafts are acceptable graft option for large MFC defects.

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