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Epidemiological study of orthopedic injuries in hemodialysis patients in Taiwan: a fixed cohort survey, 2004–2008

Authors Chang N, Lee Y, Hsu J, Chan C, Huang G, Renn J, Yang N

Received 4 December 2012

Accepted for publication 11 January 2013

Published 19 March 2013 Volume 2013:8 Pages 301—308


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Nien-Tzu Chang,1,2,* Yi-Hui Lee,2,3 Jiin-Chyr Hsu,4 Chien-Lung Chan,5 Guey-Shiun Huang,2 Jenn-Huei Renn,1,6,* Nan-Ping Yang1,4,*

1Community Health Research Center and Institute of Public Health, National Yang-Ming University, Taipei, Taiwan; 2Department of Nursing, College of Medicine, National Taiwan University, Taipei, Taiwan; 3Department of Nursing, School of Nursing, Chang-Gang University, Taoyuan, Taiwan; 4Department of Medical Research and Biostatistics Office, Tao-Yuan General Hospital, Department of Health, Taoyuan, Taiwan; 5Department of Information Management, Yuan-Ze University, Taoyuan, Taiwan; 6Department of Orthopedics, Kaohsiung Veterans General Hospital, Executive Yuan, Kaohsiung, Taiwan

*These authors contributed equally to this work

Background: The burden of chronic kidney disease (CKD) is a growing concern worldwide. The prevalence of hemodialysis in Taiwan is the highest in the world, and this may increase the prevalence of orthopedic fractures. The aim of this study was to explore the incidences of various orthopedic injuries and the related risk factors.
Methods: A nationwide prospective study based on the Taiwan National Health Insurance dataset was conducted during 2004–2008. A total of 82,491 CKD patients were selected as the fixed cohort population. The International Classification of Diseases 9-CM diagnosis codes and treatment codes were identified as the inclusion criteria for orthopedic injury.
Results: A total of 82,491 Taiwanese people with CKD were identified in 2004, and 4915 orthopedic injuries occurred during the 5-year follow-up period. The cumulative incidences of orthopedic injuries were 42.56‰ for lower limb fractures, and 12.93‰, 3.27‰, and 1.64‰ for upper limb fractures, vertebrae fractures, and joint dislocations, respectively. All three types of orthopedic fractures were more common in the oldest age stratum (≥65 years old). In the CKD patients, the risk ratio of osteoporosis was 3.47 (95% confidence interval, 3.10–3.89) for all orthopedic injuries. Patients of advanced age, the female gender, and those with high comorbidity were also at significant risk of sustaining orthopedic fractures.
Conclusion: The results from this Taiwanese CKD cohort support the strong influence of aging and osteoporosis on all kinds of orthopedic injuries. The postponing of osteoporosis may need to be taken into consideration for the prevention of orthopedic injury among CKD patients undergoing hemodialysis.

Keywords: chronic kidney disease, renal osteodystrophy, hemodialysis, orthopedic injuries

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