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J Foot Ankle Surg. 2015 Mar-Apr;54(2):280-4. doi: 10.1053/j.jfas.2014.11.016. Epub 2015 Jan 22.

Distraction arthroplasty with arthroscopic microfracture in a patient with rheumatoid arthritis of the ankle joint.

Author information

1
Department of Orthopaedics Surgery, Integrated Health Sciences, Institute of Biomedical and Health Science, Hiroshima University, Hiroshima, Japan. Electronic address: tnakasa0@gmail.com.
2
Department of Orthopaedics Surgery, Integrated Health Sciences, Institute of Biomedical and Health Science, Hiroshima University, Hiroshima, Japan.

Abstract

We treated a 39-year-old female who had experienced destruction of her ankle joint owing to rheumatoid arthritis. This relatively young patient wished to avoid ankle fusion and joint replacement. Therefore, distraction arthroplasty with arthroscopic microfracture was performed to improve her symptoms and preserve motion. A microfracture procedure specifically for cartilage defects of the tibial plafond and talar dome was performed with the arthroscope, after which a hinged external fixator was applied to distract the ankle joint. The ankle joint space was enlarged by the external device and joint movement allowed. After 3 months, removal of the external device and repeat arthroscopy revealed newly formed fibrocartilage on the surfaces of both the tibia and the talus. At 2 years after the surgery, a radiograph showed that the joint space enlargement of the ankle had been maintained. The American Orthopaedic Foot and Ankle Society score improved from 37 points preoperatively to 82 points at 2 years postoperatively. Our findings suggest that good clinical results can be achieved with distraction arthroplasty and arthroscopic microfracture in a relatively young patient with rheumatoid arthritis.

KEYWORDS:

arthroscope; external fixator; fibrocartilage; rheumatoid arthritis; talus; tibia

PMID:
25619810
DOI:
10.1053/j.jfas.2014.11.016
[Indexed for MEDLINE]

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