AANA Industry Learning Vault-Vericel Presents Work of ARTicular Cartilage

Video Transcription

Video Summary

This webinar celebrated Dr. Lars Petersen’s 90th birthday while reviewing key principles for successful MACI/ACI cartilage repair. The speakers—Drs. Tom Minas, Adam Antz, and Daniel Romanelli—shared their clinical experience, emphasizing that outcomes depend not just on the cartilage defect itself, but on correcting the underlying causes of failure.<br /><br />Major themes included patient selection, concomitant procedures, and rehabilitation. Ideal candidates are active adults with symptomatic full-thickness cartilage defects who can comply with a long, structured rehab program. The surgeons stressed the importance of addressing malalignment, instability, meniscal deficiency, and ligament insufficiency at the same time as cartilage repair. Common associated procedures included osteotomies, MPFL reconstruction, meniscal transplant/repair, ACL reconstruction, and trochleoplasty.<br /><br />Case examples illustrated complex patellofemoral instability in a young tennis player and multiple cartilage defects in an elite football player. The discussion highlighted how MRI can underestimate lesion size and how open arthrotomy, careful debridement, and precise template preparation improve outcomes. Rehabilitation was presented as critical: early motion, gradual loading, maintenance of core/hip strength, and sport-specific progression.<br /><br />Dr. Minas also reviewed the “sandwich technique” for defects with abnormal bone or osteochondritis dissecans, describing how bone grafting and layered MACI can restore the osteochondral unit more effectively than bone grafting alone. He emphasized that prior microfracture can compromise later cartilage repair by creating sclerotic subchondral bone and intralesional osteophytes.<br /><br />The session ended with practical Q&A on trochleoplasty, tibial plateau access, graft integration, fixation methods, and rehab timing, underscoring that successful cartilage restoration requires both technical precision and comprehensive biomechanical correction.

Asset Caption

Originally Recorded:
Wednesday, May 5th, 2026
Adam Anz, M.D. | Tom Minas, M.D. | Daniel Romanelli, M.D.

Meta Tag

Concept Matrix-Associated Autologous Chondrocyte Implantation

Concept Cartilage Restoration

Concept Patient Selection

Concept Defect Size

Concept Sandwich Technique

Keywords

MACI

ACI cartilage repair

cartilage restoration

patient selection

patellofemoral instability

osteotomy

MPFL reconstruction

meniscal transplant

ACL reconstruction

rehabilitation

Matrix-Associated Autologous Chondrocyte Implantation

Cartilage Restoration

Patient Selection

Defect Size

Sandwich Technique