Ultrasound-guided carpal tunnel release was performed on 14 patients (18 wrists) using dynamic expansion of the transverse safe zone. Our patient population included able-bodied patients and those with impairments. The first 8 cases (12 wrists) underwent the procedure in an operating room, the remainder in an outpatient setting. No complications occurred, and all patients were able to immediately resume use of their hands without therapy. Improvements in the Quick Form of the Disabilities of the Arm, Shoulder, and Hand Index and Boston Carpal Tunnel Questionnaire at 3 months were comparable to results reported with mini-open and endoscopic release. Our results show that ultrasound-guided carpal tunnel release can be safely and effectively performed in an outpatient setting.

Intraarticular platelet-rich plasma (PRP) injection has emerged as a promising treatment for knee osteoarthritis. Studies to date, including multiple randomized controlled trials, have shown that PRP is a safe and effective treatment option for knee osteoarthritis. Intraarticular PRP is similar in efficacy to hyaluronic acid, and seems to be more effective than hyaluronic acid in younger, active patients with low-grade osteoarthritis. Treatment benefits seem to wane after 6-9 mos. There are numerous PRP treatment variables that may be of importance, and the optimal PRP protocol remains unclear. Future investigations should control and analyze the effects of these variables in PRP treatment. High-quality randomized controlled trials are needed to optimize PRP treatment methods and better define the role of PRP in osteoarthritis management in the knee and, potentially, in other joints.

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Carpal tunnel syndrome is the most common entrapment neuropathy, resulting in 500,000 carpal tunnel release (CTR) surgeries and a total cost of more than 2 billion dollars annually in the United States. Although initially performed via a large (3-5 cm) palmar incision, CTR techniques have continually evolved to reduce incision size, recovery times, postoperative pain, and improve cosmesis and clinical outcomes. More recently, multiple authors have reported excellent results after ultrasound-guided carpal tunnel release (USCTR) using a variety of techniques, and one prospective randomized trial reported faster recovery after USCTR compared with traditional mini-open CTR. However, there is a paucity of data with respect to changes in the median nerve after USCTR. This case report presents the functional outcomes and pre- and postprocedure ultrasound images of a patient after USCTR with 3-month follow-up. LEVEL OF EVIDENCE: V.

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