Acute ankle injuries: association between sprain severity and ancillary findings

Participants presenting acute ankle sprains (<15 days) were divided into low-grade versus high-grade sprain, according to the presence of a complete tear in at least one component of lateral ligament complex.
High-grade ankle sprains group presented increased rates of medial malleolus bone bruise, deltoid ligament tears, extensor retinaculum lesions, and articular effusion.
Thecalcaneonaviculardistancewasstatisticallyshorterin patients with high-grade sprains (median, 3.0mm) when compared to those with low-grade sprains (median, 4.0mm).

INTRODUCTION

Ankle fractures and sprains are extremely common injuries, among the top reasons for medical care in emergency services and orthopedic clinics. They are commonly related to the inversion and adduction of the plantar-flexed foot.^(-) Sprains can affect young and professionally active individuals involved in regular physical activities and may lead to serious personal and economic consequences.⁽⁾

Given the frequency of ankle ligament injuries, structural abnormalities in patients with chronic instability are well documented,^(,) but there are few large MRI studies correlating structural injuries due to acute ankle sprains.^(,,)

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Acute ankle injuries: association between sprain severity and ancillary findings

Keywords: Ankle injuries; Fractures, avulsion; Sprains and strains; Ligaments/ injuries; Magnetic resonance imaging

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