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Purpose@#Following the outbreak and global spread of the coronavirus disease 2019 (COVID-19), an increasing number of people have turned to cycling. This study aims to investigate the epidemiology of bicycle-related injuries before and after the emergence of the COVID-19. @*Methods@#In this retrospective study, we collected medical records of those patients who visited the emergency room for orthopedic injuries related to bicycle accidents. The “COVID-19 period” consisted of the patients identified from April 1 to November 31 in the year 2020, while the “pre-COVID-19 period” consisted of those identified during the same months of the year 2019. @*Results@#A total of 519 patients were identified. The bicycle-related injuries increased by 5.1% during the COVID-19, in comparison to the pre-COVID-19 period. Among these, 76.3% were men. The highest incidence of the injuries was seen for 10– 19 years of age during the pre-COVID-19, and for 50– 59 years of age during the COVID-19 period. Overall, upper limb injuries were the commonest, consisting of 32.2% of all injuries. The shoulder injuries were the commonest in the pre-COVID-19, while the knee injuries were the commonest in the COVID-19 period. Assessing the severity of the injuries, contusion (81.8%) was the commonest. Of the injuries requiring hospital admissions, hip injuries had the highest incidence at 76.5%. @*Conclusion@#During the COVID-19, the total number of bicycle-related injuries did not increase significantly. In the bicycle-related injuries, the middle-age group had the highest proportion during the COVID-19 period. More efficient prevention strategies for middle-aged riders are necessary.
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Purpose@#Following the outbreak and global spread of the coronavirus disease 2019 (COVID-19), an increasing number of people have turned to cycling. This study aims to investigate the epidemiology of bicycle-related injuries before and after the emergence of the COVID-19. @*Methods@#In this retrospective study, we collected medical records of those patients who visited the emergency room for orthopedic injuries related to bicycle accidents. The “COVID-19 period” consisted of the patients identified from April 1 to November 31 in the year 2020, while the “pre-COVID-19 period” consisted of those identified during the same months of the year 2019. @*Results@#A total of 519 patients were identified. The bicycle-related injuries increased by 5.1% during the COVID-19, in comparison to the pre-COVID-19 period. Among these, 76.3% were men. The highest incidence of the injuries was seen for 10– 19 years of age during the pre-COVID-19, and for 50– 59 years of age during the COVID-19 period. Overall, upper limb injuries were the commonest, consisting of 32.2% of all injuries. The shoulder injuries were the commonest in the pre-COVID-19, while the knee injuries were the commonest in the COVID-19 period. Assessing the severity of the injuries, contusion (81.8%) was the commonest. Of the injuries requiring hospital admissions, hip injuries had the highest incidence at 76.5%. @*Conclusion@#During the COVID-19, the total number of bicycle-related injuries did not increase significantly. In the bicycle-related injuries, the middle-age group had the highest proportion during the COVID-19 period. More efficient prevention strategies for middle-aged riders are necessary.
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STUDY DESIGN: Retrospective cohort study. PURPOSE: To evaluate the incidence and risk factors for early adjacent vertebral fractures following balloon kyphoplasty (KP). OVERVIEW OF LITERATURE: KP is a safe and effective treatment for pain alleviation in patients with osteoporotic vertebral compression fractures (OVCF). However, some studies have reported that the risk of newly developed fractures increases at the adjacent vertebra after KP. METHODS: Total 123 consecutive patients with painful OVCF who underwent KP were enrolled from January 2009 to June 2016. Early adjacent vertebral fractures were defined as new fractures that had developed within 3 months after surgery. Sex, age, body mass index (BMI), bone mineral density (BMD), vertebral height, kyphotic angle, Visual Analog Scale score, cement amount, and leakage were evaluated as risk factors for adjacent vertebral fractures. Only cement leakage into the disc space was included in this study. RESULTS: Early adjacent vertebral fractures were identified in 20 (16.2%) of the 123 patients. The mean time to diagnosis of fractures was 1.7±0.7 months after KP. The average patient age was 78.0±0.7 years, average BMI was 23.06±3.83 kg/m², and mean BMD was −3.61±1.22 g/m². Cement leakage was present in 16 patients, and fractures developed in 11 (68.7%). In contrast, fractures developed in nine patients (8.2%) without cement leakage. There were no significant differences in terms of age, BMI, BMD, kyphotic angle, or vertebral body height ratio between the fracture and control groups. CONCLUSIONS: Cement leakage into the disc increased the risk of early adjacent vertebral fractures after balloon KP.