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Physical activity and the risk of hip fracture in the elderly: a prospective cohort study.

ABSTRACT: Physical activity has been inversely associated with the risk of hip fracture, however, few studies have been conducted on the contributions from different domains of physical activity. This study was performed to investigate the association between daily household activities, leisure time physical activity, work-related physical activity and total physical activity during a 24-h period, and the risk of hip fracture. In the Swedish National March Cohort we followed 23,881 men and women aged of 50 and over from 1997 until 2010. Information on domain-specific physical activity was collected at baseline using a questionnaire. We fitted separate multivariable adjusted Cox proportional hazard models to each domain to obtain hazard ratios (HRs) with 95% confidence intervals (CIs). Each model was mutually adjusted for the other domains of physical activity. During a mean follow-up period of 12.2 years we identified 824 incidents of hip fracture. Subjects who spent less than 1 h per week engaged in daily household activities had an 85% higher risk of hip fracture than subjects spending ?6 h per week carrying out daily household activities (HR 1.85; 95% CI 1.01-3.38). Subjects engaged in leisure time physical activities for >3.1 MET-h/day had a 24% lower risk of hip fracture (HR 0.76; 95% CI 0.59-0.98) than subjects spending <1.1 MET-h/day performing such activities. No association was found between hip fracture and work-related or total physical activity. We conclude that daily household activities and leisure time physical activity may independently decrease the risk of hip fracture in those aged 50 and over.

SUBMITTER: Lagerros YT

PROVIDER: S-EPMC5684287 | biostudies-literature | 2017 Nov

REPOSITORIES: biostudies-literature

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Physical activity and the risk of hip fracture in the elderly: a prospective cohort study.

Lagerros Ylva Trolle YT Hantikainen Essi E Michaëlsson Karl K Ye Weimin W Adami Hans-Olov HO Bellocco Rino R

European journal of epidemiology 20170922 11

Physical activity has been inversely associated with the risk of hip fracture, however, few studies have been conducted on the contributions from different domains of physical activity. This study was performed to investigate the association between daily household activities, leisure time physical activity, work-related physical activity and total physical activity during a 24-h period, and the risk of hip fracture. In the Swedish National March Cohort we followed 23,881 men and women aged of 5 ...[more]

PMID: 28940092

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Project description:BackgroundPatients with a first hip fracture are at high risk of fracturing their other hip. Despite this, preventive therapy is often not given. Because little is known about specific risk factors of a second hip fracture, we investigated the association with areal bone mineral density (aBMD), muscle size, and density. We also investigated whether muscle parameters predict the risk of a contralateral fracture independently of aBMD.MethodsThree groups were included, one without hip fracture (a subcohort of the China Action on Spine and Hip Status study), one with a first, and one with a second hip fracture. Subjects with fractures were recruited from the longitudinal Chinese Second Hip Fracture Evaluation (CSHFE). Computed tomography scans of CSHFE patients, which were obtained immediately following their first fracture, were used to measure cross-sectional area and density of the gluteus maximus (G.MaxM) and gluteus medius and minimus (G.Med/MinM) muscles. Computed tomography X-ray absorptiometry was used to measure aBMD of the contralateral femur. Median follow-up time to second fracture was 4.5 years. Cox proportional hazards models were used to compute hazard ratios (HR) of second hip fracture risk in subjects with a first hip fracture. Multivariate logistic regressions were used to compare odds ratios (OR) for the risk of a first and second hip fracture.ResultsThree hundred and one participants (68.4 ± 6.1 years, 64% female) without and 302 participants (74.6 ± 9.9 years, 71% female) with a first hip fracture were included in the analysis. Among the latter, 45 (79.2 ± 7.1 years) sustained a second hip fracture. ORs for first hip fracture were significant for aBMD and muscle size and density. ORs for a second fracture were smaller by a factor of 3 to 4 and no longer significant for femoral neck (FN) aBMD. HRs for predicting second hip fracture confirmed the results. G.Med/MinM density (HR, 1.68; CI, 1.20-2.35) and intertrochanter aBMD (HR, 1.62; CI, 1.13-2.31) were the most significant. FN aBMD was not significant. G.Med/MinM density remained significant for predicting second hip fracture after adjustment for FN (HR, 1.66; Cl, 1.18-2.30) or total hip aBMD (HR, 1.50; 95% Cl, 1.04-2.15).ConclusionsDensity of the G.Med/MinM muscle is an aBMD independent predictor of the risk of second hip fracture. Intertrochanteric aBMD is a better predictor of second hip fracture than FN and total hip aBMD. These results may trigger a paradigm shift in the assessment of second hip fracture risk and prevention strategies.

Project description:BACKGROUND:Hip fracture is an important social and medical problem due to its increasing prevalence, the consequences for health and the economic impact on the health care system, but there is no doubt that it also has repercussions on health-related quality of life (HRQoL). Hence the importance of understanding and determining the impact of the condition on everyday life from the perspective of the patient's physical, emotional and social well-being. PURPOSE:To determine the impact of hip fracture on HRQoL of people over the age of 65 1 month after surgery, related factors and the effects on functional ability and mood. METHODS:Prospective observational study conducted in the traumatology units of two university hospitals in the province of Cáceres with consecutive sampling of all patients over the age of 65 admitted for hip fracture surgery during the study period. Sociodemographic and clinical data were recorded at the time of admission and prospectively at the follow-up visit 1 month later. Clinical, social, quality of life (EQ-5D-), basic functional and instrumental capacity (Barthel Index (BI) and Lawton & Brody Scale), and geriatric depression (Yesavage) variables were collected. RESULTS:The study included 224 patients with a median age of 84.6?years (SD?±?6.1), 76.3% were female. Charlson's comorbidity was 5.3 (SD?±?1.2). The EQ-5D index decreased from 0.62 (SD?±?0.35) to 0.16 at 1?month follow up (SD?±?0.20) p <? 0.001. The mean Visual Analog Scale (VAS) score of EQ-5D decreased from 72.8 (SD ±15.8) to 48.3 (SD?±?17.2) p?<? 0.001. All dimensions of EQ-5D showed a significant reduction from the time of pre-fracture status to 1 month after surgery. Independent factors associated with HRQoL 1 month after surgery were pre-fracture status Barthel Index score, Lawton and Brody scale, presence of depression, and type of surgery. CONCLUSIONS:After a hip fracture, patients experience considerable deterioration in their HRQoL, especially in self-care, daily activities, and mobility. There is also a significant decline in functional capacity for both the basic and instrumental activities of daily living. One month after surgery, HRQoL is a long way from pre-fracture levels.

Project description:IntroductionAlthough clinical guidelines suggest echocardiography before surgery in patients with hip fracture, no prospective studies exist in the literature. The aim of the present investigation was to assess whether preoperative echocardiography affects time to surgery, length of hospital stay (LOS), and in hospital mortality in high-risk patients who need surgery for a hip fracture.Material and methodsIn the study entered 255 consecutive patients with hip fracture referred to a multidisciplinary hip fracture unit. Seven hundred seventeen patients referred before the implementation of routine echocardiographic examination were considered as control group. Echocardiography was performed in patients with systolic murmurs, unstable clinical conditions, recent decompensation of heart failure or hospital admission for coronary disease. Time to surgery, LOS, and in hospital mortality in patients who underwent preoperative echocardiography (high-risk group) were compared with patients who did not undergo echo (low-risk group) and with the control group.Results122/255 patients underwent echocardiography. The two groups did not differ for age, sex, type or fracture, and notably time to surgery and LOS. Coronary heart disease, atrial fibrillation, and two or more comorbidities were more frequent in the echo group. Overall clinical characteristics were not different from group of patients referred before the implementation of the echocardiographic protocol but in these last patients time to surgery and LOS were significantly longer. As well in hospital mortality was not significantly different in the two groups (1.9 in echo vs. 1.7% in nonecho) but lower than in the control group (4.1% ).ConclusionsAn echocardiographic guide may be useful in a high-risk group with a hip fracture to choose the proper anesthetic setting, referral for intensive care observation after surgery and, optimal medical treatment, including fluid management without delay in time to surgery.

Project description:IntroductionNon-attendance with scheduled postoperative follow-up visits remains a common issue in orthopaedic clinical research. The objective of this study was to identify the risk factors associated with loss to follow-up among elderly patients with hip-fracture postoperatively.MethodsA retrospective analysis of 1-year post-surgery was performed on patients aged over 60 years who underwent hip-fracture surgery from January 2017 to March 2019. Based on their completion of the appointed follow-up schedule, the patients were classified into 2 groups: the Loss to Follow-up (LTFU) Group and the Follow-up (FU) Group. Clinical outcomes were evaluated by Functional Recovery Score (FRS) questionnaires. Telephone interviews were conducted with patients lost to follow-up to determine the reasons for non-attendance. A comparative analysis of baseline characteristics between the 2 groups was implemented, with further exploration of statistical differences through logistic regression.ResultsA total of 992 patients met the inclusion criteria were included in this study, of which 189 patients, accounting for 19.1%, were lost to follow-up 1 year postoperatively. The mean age of the patients in the LTFU Group was 82.0 years, significantly higher than the 76.0 years observed in the FU Group (P < 0.001). The FRS for the LTFU Group was marginally higher than that of the FU group (84.0 vs 81.0), with no significant difference (P = 0.060). Logistic regression analysis identified several significant predictors of noncompliance, including advanced age at surgery, femoral neck fracture, hip arthroplasty, long distance from residence to hospital, and the reliance on urban-rural public transportation for reaching the hospital.ConclusionPostoperative follow-up loss was prevalent among elderly patients with hip fractures. Our study indicated a constellation of risk factors contributing to noncompliance, including advanced age, transportation difficulties, long travel distance, femoral neck fracture and hip arthroplasty surgery.

Dataset Information

Physical activity and the risk of hip fracture in the elderly: a prospective cohort study.

Publications

Physical activity and the risk of hip fracture in the elderly: a prospective cohort study.

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