12/31/2023 0 Comments Fifth metatarsal![]() ![]() The average time from injury to surgery was 3.6 (range, 2–8) days. They also underwent AP, oblique foot radiographs, ankle MR and/or ultrasonic examination. Post-admission treatmentĪfter admission, patients were given the symptomatic treatment of the elevation of the affected limb and the relief of swelling and pain. All the patients have gone through standard standing anteroposterior (AP), 30-degree oblique foot radiographs, ankle MR and/or ultrasonic examination.Įxclusion criteria were given as follows: patients with fracture of other parts of the foot, orold ankle ligament injury, or open fracture, or nerve and blood vessel injury. Inclusion criteria were given as follows: patients older than 18 years with a fresh fifth metatarsal base fracture. There were 40 male patients and 21 female patients their average age was 44 (range, 20–69) years there were 34 patients with injuries on the left side and 27 patients with injuries on the right side there were 28 sprains, 25 falls, 6 car accidents, and 2 slips and falls. This retrospective study analyzed 61 patients (61 feet) with fifth MBF treated in our department from January 2017 to June 2019. In this study, we explored the incidence of fifth MBF with LCAL injury so as to explore the injury types and treatment principles. Thus, the accurate diagnosis of lateral collateral ankle ligament in patients with a fifth metatarsal fracture is extremely important.Īt present, there is a lack of studies on the incidence, injury types, and treatment methods of fifth MBF with an LCAL injury. In case LCAL injury without properly diagnosed, it may lead to chronic ankle instability, talar cartilage injury, and ankle traumatic arthritis. Yet, fifth metatarsal base fractures may be combined with the lateral collateral ankle ligament (LCAL), which is composed of the anterior talofibular ligament (ATFL), calcaneofibular ligament (CFL), and posterior talofibular ligament (PTFL). Most fifth metatarsal base fractures are low-energy injuries caused by plantar flexion and inversion of the foot. According to Lawrence–Botte classification, fractures of the proximal fifth metatarsal are divided into zone I (the most common one, tuberosity avulsion fractures), zone II (Jones' fracture), and zone III (proximal shaft stress fractures). This study provides a basis for epidemiology, diagnosis, and treatment of fifth MBF with LCAL injury.įifth metatarsal fracture is one of the most common foot injuries occurring due to trauma or repetitive microstress, with an incidence of approximately 56–68%, where approximately 70% of patients present with proximal fractures. ![]() Moreover, defining a treatment plan for ligament injury is essential for reducing postoperative complications. ConclusionĮarly diagnosis and appropriate treatment can obtain good therapeutic results in fifth MBF patients combined with LCAL injury. None of the patients had complications such as delayed union, nonunion, and incision infection. For fifth MBF with displaced more than 2 mm, hook plate or lag screw was used for fixation for complete rupture of LCAL, suture anchor was used to repairing the ligament for partial LCAL injury, plaster was used for fixation after surgery for avulsion fractures, cannulated screw or suture anchor was used for repair. The average fracture healing time was 8.3 (range, 6–12) weeks. The incidence of fifth MBF with LCAL injury accounted for 63.93% of fifth metatarsal base fracture the most common causes of injury included sprains and falls. There was no significant difference between the patients without LCAL injury and the patients with LCAL injury in terms of age ( p = 0.67) and gender ( p = 0.575). Among the 39 patients with LCAL injury, 24 patients with Grade I–II injury, 6 patients with Grade III injury, and 9 patients with avulsion fractures. In 61 patients, there were 39 patients with LCAL injury. ![]() The type of surgery varied base on the individual patients (type of fracture with/without lateral collateral ankle ligament injury). After admission, patients were given the symptomatic treatment and underwent standard anteroposterior (AP), 30-degree oblique foot radiographs, ankle MR and/or ultrasonic examination. We retrospectively analyzed 61 patients with fifth MBF. However, there is no relevant report on the incidence, injury type and treatment principle of the fifth MBF combined with an LCAL injury. Fifth metatarsal base fracture (fifth MBF) and lateral collateral ankle ligament (LCAL) injury are mainly caused by plantar flexion and inversion of the foot. ![]()
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