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AANA19 Knee Access Pass
Microfracture Awl_ Tool of El Diablo-Dr. Jack M. B ...
Microfracture Awl_ Tool of El Diablo-Dr. Jack M. Bert, M.D.
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Video Transcription
Video Summary
The speaker discusses microfracture surgery for knee cartilage repair, highlighting its limitations in traditional form. Traditional microfracture using an awl penetrates only about 4mm, causing subchondral bone damage, cysts, and osteophyte formation, leading to poor long-term outcomes. Studies show deterioration after two years and reduced success for future cartilage procedures if traditional microfracture is used. Recent evidence favors a second-generation technique—nanofracture drilling with small diameter drills (≤1mm) that penetrate deeper than 6mm, reaching progenitor cells without damaging bone structure. Experts, including Dr. Brian Cole, now prefer this drilling method, which provides better, more durable cartilage repair results.
Keywords
microfracture surgery
knee cartilage repair
nanofracture drilling
subchondral bone damage
cartilage repair outcomes
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