Has the COVID lockdown altered the incidence and management of fragility fractures in older adults? Case-control study at a French University Hospital.

In France, a national lockdown related to the COVID-19 pandemic was imposed from March 17 to May 11, 2020, drastically changing our professional and organizational practices. We were interested on the impact of the lockdown on fragility fractures in older adults (65 years and older). The primary objective of this study was to evaluate the incidence of peripheral and pelvic fragility fractures during the lockdown. The secondary objectives were to carry out an epidemiological analysis of the fractures, treatments and hospitalization data. The main hypothesis was that the number of peripheral and pelvic fragility fractures was lower during the lockdown in 2020 than in the same (non-lockdown) period in 2019. We retrospectively collected epidemiological (age, sex), clinical (type of fracture, treatment) and hospitalization data from patients 65 years and older who came to the emergency room because of a peripheral and/or pelvic fracture between March 17 and May 11 of the years 2019 and 2020. We included 192 patients in 2019 and 157 patients in 2020. The mean age and sex ratio were not statistically different. The number of peripheral and/or pelvic fragility fractures decreased by 16%. The share of patients treated surgically was similar in both years (46% in 2019; 51% in 2020 (p=0.47)). The number of proximal femur fractures dropped by 21%. The mean time to surgery for these fractures was shorter in 2020 (p=0.02) although the mean length of hospital stay was unchanged (p=0.72) The mortality rate of patients hospitalized for fragility fractures did not increase significantly (p=0.51). We observed a reduction in the number of peripheral and pelvic fragility fractures in patients 65 years and older during the lockdown. To ensure that we met our goals of optimal care for proximal femur fractures, a general reorganization of the operating room was necessary. The continued availability of fully functional technical facilities despite this health crisis was crucial to being able to treat these fractures and to prevent increased mortality. III, case-control study.

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