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  • Title: The Effectiveness of Surgical Interventions in the Management of Malunited Calcaneal Fractures: A Systematic Review.
    Author: Elmajee M, Williams T, Ben-Nafa W, Arnall F, Pillai A.
    Journal: J Foot Ankle Surg; 2019 Jan; 58(1):127-136. PubMed ID: 30583774.
    Abstract:
    Nonoperative management may result in calcaneal malunion with consequences of pain, deformity, and functional limitation. The aim of this review was to proffer an evidence-based scientific account of the effectiveness of contemporary surgical procedures in the management of malunited calcaneal fractures after initial conservative management. This systematic review included studies that evaluated the surgical procedures in the management of calcaneal malunion and systematically searched studies published between January 2005 and June 2016. The search was conducted using the following search engines: the Cochrane Library, Web of Science, PubMed/ MEDLINE, EMBASE, CINAHL, Academic Search Premier, and Open Grey. Methodologic assessment was conducted using the Cochrane Risk of Bias In nonrandomized Studies- of Interventions assessment tool version 7. Ten observational studies (212 patients) were included in this review. Five articles explored various means of achieving subtalar arthrodesis, 2 articles evaluated joint-sparing osteotomies, 1 examined corrective osteotomy for extra-articular os calcis malunion, and 2 articles explored combined procedures based on the Stephen and Sanders calcaneal malunion classification. Clinical and methodologic heterogeneity did not allow quantitative pooling of results. The overall risk of bias was considered moderate in 7 studies and 3 were considered at high risk of bias. The inability for any study to be considered at low risk of bias in this review might be mainly attributed to the lack of a valid and reliable outcome measure for the assessment of foot and ankle conditions. There is clear evidence that appropriately indicated procedures are effective in terms of pain alleviation, correction of deformity, and improved function. However, long-term outcomes may improve the acceptability to joint-preserving osteotomies, subtalar arthrodesis with the VIRA implant and subtalar distraction osteogenesis.
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