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J Foot Ankle Surg. 2014 Nov-Dec;53(6):692-9. doi: 10.1053/j.jfas.2014.04.001. Epub 2014 Jun 2.

Modular stem fixed-bearing total ankle replacement: prospective results of 23 consecutive cases with 3-year follow-up.

Author information

1
Fellowship Director, Department of Foot Ankle, Coordinated Health, Bethlehem, PA. Electronic address: drsbrigido@mac.com.
2
Fellow, Department of Foot Ankle, Coordinated Health, Bethlehem, PA.
3
Research Associate, Department of Clinical Education and Research, Coordinated Health, Bethlehem, PA.

Abstract

In the present report, the 3-year outcomes of 23 consecutive patients treated with a modular stem fixed-bearing total ankle replacement are described. Pain, functional impairment, and disability were assessed annually using a visual analog scale. Complications and additional procedures also were recorded. Compared with preoperative pain (8.4 ± 1.4), functional impairment (8.7 ± 2.3), and disability (3.0 ± 2.5), there were statistically significant postoperative improvements at 1 year (pain, 2.6 ± 1.6; functional impairment, 3.1 ± 2.1; disability, 0.9 ± 1.2), 2 years (pain, 1.5 ± 1.3; functional impairment, 1.9 ± 1.4; disability, 0.6 ± 1.4), and 3 years (pain, 1.3 ± 1.3; functional impairment, 1.9 ± 1.9; disability, 0.4 ± 0.9; p ≤ .001). Pain, function, and disability significantly improved postoperatively from 1 to 2 years (p ≤ .008) and from 1 to 3 years (p ≤ .008). The reductions in pain, functional impairment, and disability were maintained from 2 to 3 years (p ≥ .08). Nine complications (39.1%) were encountered: 1 deep infection, 2 pulmonary embolisms, 3 wounds, 1 ectopic bone formation, 1 stiff joint, and 1 talar subsidence. In the 3-year follow-up period, 3 patients (13.0%) required additional procedures after the immediate postoperative phase. Our results have demonstrated that modular stem fixed-bearing prostheses can be implanted in a predictable and consistent fashion with resultant improvements in pain, function, and disability. Future studies evaluating the clinical outcomes after modular stem fixed-bearing total ankle replacement are warranted.

KEYWORDS:

implant longevity; joint prosthesis; osteoarthritis; talus; tibia; total ankle arthroplasty

PMID:
24891091
DOI:
10.1053/j.jfas.2014.04.001
[Indexed for MEDLINE]

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