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Arthroscopic Hemitrapeziectomy: Is an Internal Brace Worth It?
Miguel Tovar-Bazaga1, María Pérez-Cuesta Llaneras1, Alejandro Badia2
1Department of Orthopaedic and Traumatology Surgery, IIS-Fundación Jiménez Díaz, Madrid, Spain.
Thumb carpometacarpal (CMC) arthroscopic hemitrapeziectomy using a temporary Kirschner wire (K-wire) suspension yielded positive clinical outcomes. This surgical approach effectively reduced pain and improved hand strength and function.
Area of Science:
- Orthopedic surgery
- Hand surgery
- Arthroscopy
Background:
- Thumb carpometacarpal (CMC) joint arthritis is a common condition.
- Surgical management aims to restore function and alleviate pain.
Purpose of the Study:
- To analyze the clinical outcomes of arthroscopic hemitrapeziectomy with temporary Kirschner wire (K-wire) suspension for CMC joint arthritis.
Main Methods:
- Seventy patients underwent arthroscopic hemitrapeziectomy with K-wire suspension over 13 years.
- Patients were classified as Badia's stage III, with no tendon interposition.
- K-wire was used for temporary suspension for an average of 5.1 weeks.
Main Results:
- Mean Visual Analogue Scale (VAS) pain score was 1.6.
- Mean Kapandji Opposition Score was 8.1.
- Functional outcomes included grip strength (42.2 lbs), lateral pinch (9.5 lbs), and tripod pinch (7.8 lbs).
Conclusions:
- Thumb CMC arthroscopic hemitrapeziectomy with K-wire suspension provides good pain relief, strength, and functionality.
- This technique avoids the risks associated with internal braces, such as metacarpal fracture.
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