PRP vs Cortisone Injection for Tennis Elbow
- Aug 15, 2022
- 0 min read
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JEFFREY PENG MD
SPORTS MEDICINE & FAMILY MEDICINE
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Best Shoulder Pain Treatments: A Sports Medicine Tier List
By Dr. Jeffrey Peng, MD · Published May 16, 2026 · 9 min read Watch the Full Video There is no shortage of recommendations for rotator cuff and shoulder pain — rest the shoulder, get a cortisone injection, try stem cells, get surgery, do physical therapy. But not all of these interventions are created equal, and some of the most popular options have very little evidence behind them. As a sports medicine physician practicing in the San Francisco Bay Area, I've helped thousands
Jeffrey Peng MD
2 days ago9 min read
Why I Stopped Recommending Meniscus Surgery for Degenerative Tears
By Dr. Jeffrey Peng, MD · Published May 9, 2026 · 7 min read Watch the Full Video If you are 40 or older and have been told you need surgery for a degenerative meniscus tear, the evidence has shifted dramatically in the past few years — and the most recent long-term data may change your mind. The New England Journal of Medicine has just published 10-year follow-up results from a sham-controlled trial of arthroscopic partial meniscectomy, and the findings confirm what many spo
Jeffrey Peng MD
May 95 min read
Why Most PRP for Knee Arthritis Falls Short: The Platelet Dose Problem
By Dr. Jeffrey Peng, MD · Published May 3, 2026 · 7 min read Watch the Full Video The data on platelet-rich plasma (PRP) for knee osteoarthritis is now overwhelming. PRP outperforms cortisone, hyaluronic acid, and saline placebo across multiple meta-analyses, and it is widely considered the single best injection we have for addressing pain, improving function, and even slowing the progression of knee arthritis. But there is a catch most patients — and even most physicians — d
Jeffrey Peng MD
May 38 min read
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