Posterior Arthroscopic Subtalar Arthrodesis: Clinical and Radiologic Review of 19 Cases

Abstract Arthroscopic subtalar arthrodesis has recently gained popularity in the treatment of primary subtalar or post-traumatic arthritis, coalition, or inflammatory diseases with subtalar arthritis. The present study reports the clinical and radiologic results of 19 patients (19 feet) who underwen...

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Bibliographic Details
Published in:The Journal of foot and ankle surgery 2017-05, Vol.56 (3), p.543-546
Main Authors: Martín Oliva, Xavier, MD, PhD, Falcão, Pedro, MD, Fernandes Cerqueira, Raul, MD, Rodrigues-Pinto, Ricardo, MD, PhD, FEBOT
Format: Article
Language:English
Subjects:
Adult
Aged
ankle arthroscopy
Arthrodesis - methods
Arthroscopy
Female
Humans
Male
Middle Aged
Orthopedics
posterior subtalar arthroscopy
Radiography
subtalar arthritis
subtalar arthrodesis
Subtalar Joint - diagnostic imaging
Subtalar Joint - surgery
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Summary:Abstract Arthroscopic subtalar arthrodesis has recently gained popularity in the treatment of primary subtalar or post-traumatic arthritis, coalition, or inflammatory diseases with subtalar arthritis. The present study reports the clinical and radiologic results of 19 patients (19 feet) who underwent posterior arthroscopic subtalar arthrodesis using 2 posterior portals. A total of 19 posterior arthroscopic subtalar arthrodeses (minimum follow-up of 24 months) performed without a bone graft and with 2 parallel screws were prospectively evaluated. The fusion rate was 94% (mean time to fusion 9.8 weeks). Modified American Orthopaedic Foot and Ankle Society ankle-hindfoot scale score (maximum 94 points) improved significantly from 43 to 80 points and the visual analog scale for pain score improved from 7.6 to 1.2. The 12-item short-form physical and mental scores at the last follow-up point were 52.5 and 56.4, respectively. One (5.3%) patient underwent open repeat fusion for nonunion, 2 (10.5%) patients required a second procedure for implant removal, and 1 (5.3%) experienced reversible neuropraxia. In conclusion, posterior arthroscopic subtalar arthrodesis is a safe technique with a good union rate and a small number of complications in patients with no or very little hindfoot deformity.
ISSN:1067-2516
1542-2224
DOI:10.1053/j.jfas.2017.01.021