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Abstract Number: 2324

Predictors of Refracture in Patients with Hip Fragility Fracture

Sara Ganhão1,2, Miguel Guerra3, Francisca Aguiar1,2, Georgina Terroso1, Romana Vieira3, Diana Gonçalves4, Teresa Martins-Rocha2,5, Raquel Ferreira1,2, Ana Águeda2,6, Tiago Meirinhos7, Eva Mariz1,2, Raquel Lucas8, Miguel Bernardes1,2, Carlos Vaz1,2 and Lúcia Costa1, 1Rheumatology, Centro Hospitalar de São João, Oporto, Portugal, 2Faculty of Medicine, Oporto University, Oporto, Portugal, 3Rheumatology, Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal, 4Rheumatology, Centro Hospitalar de Trás-os-Montes e Alto Douro, Vila Real, Portugal, 5Rheumatology Department, Centro Hospitalar de São João, Porto, Portugal, Oporto, Portugal, 6Rheumatology, Centro Hospitalar do Baixo Vouga, Aveiro, Portugal, 7Serviço de Reumatologia, Centro Hospitalar do Baixo Vouga, Aveiro, Portugal, Aveiro, Portugal, 8Public Health, Centro Hospitalar de São João, Oporto, Portugal

Meeting: 2018 ACR/ARHP Annual Meeting

Keywords: Elderly, fractures and osteoporosis, Hip

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Session Information

Date: Tuesday, October 23, 2018

Session Title: Osteoporosis and Metabolic Bone Disease – Basic and Clinical Science Poster

Session Type: ACR Poster Session C

Session Time: 9:00AM-11:00AM

Background/Purpose: Hip fractures are associated with substantially elevated morbidity and mortality and thus represent a serious public health problem. The purpose of this study is to assess cumulative refracture free survival probability and possible predictors of refracture in patients older than 65 years admitted by hip fragility fracture.

Methods: Longitudinal retrospective study of patients referred to the Rheumatology department’s Fracture Liaison Service (FLS) from march 2015 until march 2017. Demographic and clinical data were collected. Statistical analysis was performed with STATA. Survival cumulative probabilities were calculated with Kaplan-Meyer curves. Hazard ratios (HR) were calculated through cox regression, adjusted to age and degree of dependence.

Results: 522 patients were referred to the FLS, with a median age (min-max) of 84 years (65-103); 79,7% (N=416) were female. 47 out of 522 had a subsequent fragility fracture (9%). The cumulative survival probability without refracture at 1, 6, 12 and 24 months was 99,4%, (95%CI [98,2-99,8]), 96% (95%CI [93,8-97,4]), 93% (95%CI [90,2-95,0]) and 89,3% (95%CI [85,8-92,0], respectively. Neurologic disease and chronic obstructive pulmonary disease (COPD) were both predictors of worst refracture free survival outcome (HR 2,37, 95%CI [1,05-5,37] and HR 3,25, 95%CI [1,09-9,61], respectively). Gender, age, body mass index, degree of dependence, fracture and intervention type, calcium intake, sedative drugs, radiographic vertebral fractures, total femur BMD and T-score, vitamin D, osteocalcin and βcrosslaps, discharge to home or institution, supplementation with calcium and vitamin D and anti-osteoporotic treatment didn’t have significant impact on survival cumulative probabilities of refracture.

Figure 1: Cumulative refracture free survival probability

Figure 2: Cumulative refracture free survival probability

 (with neurologic diseases Vs without neurologic diseases)

Figure 3: Cumulative refracture free survival probability

 (with COPD Vs without COPD)

Conclusion: Knowledge of the predictors of refracture is essential for secondary prevention. Our sample suggests that neurologic disease and COPD may increase the risk of subsequent fracture after prior fragility fracture, but further studies are needed.


Disclosure: S. Ganhão, None; M. Guerra, None; F. Aguiar, None; G. Terroso, None; R. Vieira, None; D. Gonçalves, None; T. Martins-Rocha, None; R. Ferreira, None; A. Águeda, None; T. Meirinhos, None; E. Mariz, None; R. Lucas, None; M. Bernardes, Pfizer, Inc., 9,Lilly, 9,Janssen, 9,Merck & Co., 9,GlaxoSmithKline, 9; C. Vaz, None; L. Costa, None.

To cite this abstract in AMA style:

Ganhão S, Guerra M, Aguiar F, Terroso G, Vieira R, Gonçalves D, Martins-Rocha T, Ferreira R, Águeda A, Meirinhos T, Mariz E, Lucas R, Bernardes M, Vaz C, Costa L. Predictors of Refracture in Patients with Hip Fragility Fracture [abstract]. Arthritis Rheumatol. 2018; 70 (suppl 10). https://acrabstracts.org/abstract/predictors-of-refracture-in-patients-with-hip-fragility-fracture/. Accessed April 16, 2021.
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