AANA Industry Learning Vault-Vericel Presents Work of ARThrotomy

Video Transcription

Video Summary

This webinar focused on MACI/Macy cartilage repair of the knee, including indications, surgical planning, patient counseling, outcomes, and rehabilitation. The host reviewed the evolution of the technique from early cell suspension methods to modern collagen-membrane implantation and arthroscopic options for smaller defects. Panelists emphasized that cartilage defects often require individualized treatment based on lesion shape, location, and associated problems such as patellar instability, ACL deficiency, meniscal deficiency, or malalignment.<br /><br />Several surgical pearls were discussed, including performing a diagnostic arthroscopy before implantation, choosing biopsy sites carefully, and deciding the order of combined procedures like MPFL reconstruction, tibial tubercle osteotomy (TTO), ACL revision, meniscal transplant, and distal femoral osteotomy (DFO). The surgeons stressed that alignment correction is often crucial for success, especially in patellofemoral cases.<br /><br />Case examples showed good outcomes in complex patients, including athletes and military personnel. One retrospective series of 35 MACI patients reported high satisfaction, strong return-to-sport rates, and relatively few complications, with most patients returning to high-level activity by 9–12 months. Rehabilitation experts highlighted the importance of a team-based approach, patient adherence, gradual progression, and communication with therapists and surgeons. The session closed by encouraging use of support resources, including MACI mentors and credentialed therapists.

Asset Caption

Originally recorded on:
Tuesday, April 21st, 2026
James Carey, M.D. | Matthew J. Kraeutler, M.D. | Lewis Lupowitz, P.T. | Alexander K. Meininger, M.D.

Meta Tag

Concept MACI

Concept Knee Cartilage Repair

Concept Articular Cartilage Defect

Concept Cartilage Biopsy

Concept Cell Expansion

Keywords

MACI cartilage repair

knee cartilage defects

surgical planning

patient counseling

arthroscopic implantation

patellar instability

alignment correction

rehabilitation protocol

return to sport

MACI

Knee Cartilage Repair

Articular Cartilage Defect

Cartilage Biopsy

Cell Expansion