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Curl PK, Jacob A, Bresnahan B, Cross NM, Jarvik JG. Cost-Effectiveness of Artificial Intelligence-Based Opportunistic Compression Fracture Screening of Existing Radiographs. J Am Coll Radiol 2024:S1546-1440(24)00293-X. [PMID: 38527641 DOI: 10.1016/j.jacr.2023.11.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 10/28/2023] [Accepted: 11/22/2023] [Indexed: 03/27/2024]
Abstract
PURPOSE Osteoporotic vertebral compression fractures (OVCFs) are a highly prevalent source of morbidity and mortality, and preventive treatment has been demonstrated to be both effective and cost effective. To take advantage of the information available on existing chest and abdominal radiographs, the authors' study group has developed software to access these radiographs for OVCFs with high sensitivity and specificity using an established artificial intelligence deep learning algorithm. The aim of this analysis was to assess the potential cost-effectiveness of implementing this software. METHODS A deterministic expected-value cost-utility model was created, combining a tree model and a Markov model, to compare the strategies of opportunistic screening for OVCFs against usual care. Total costs and total quality-adjusted life-years were calculated for each strategy. Screening and treatment costs were considered from a limited societal perspective, at 2022 prices. RESULTS In the base case, assuming a cost of software implantation of $10 per patient screened, the screening strategy dominated the nonscreening strategy: it resulted in lower cost and increased quality-adjusted life-years. The lower cost was due primarily to the decreased costs associated with fracture treatment and decreased probability of requiring long-term care in patients who received preventive treatment. The screening strategy was dominant up to a cost of $46 per patient screened. CONCLUSIONS Artificial intelligence-based opportunistic screening for OVCFs on existing radiographs can be cost effective from a societal perspective.
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Affiliation(s)
- Patti K Curl
- Neuroradiology Medical Director, Harborview Medical Center, University of Washington, Seattle, Washington.
| | - Ayden Jacob
- University of Washington, Seattle, Washington
| | | | - Nathan M Cross
- Interim Vice Chair of Informatics, Radiology, VA Ventures AI & Informatics Specialist, University of Washington, Seattle, Washington
| | - Jeffrey G Jarvik
- Co-Director, Comparative Effectiveness, Cost and Outcomes Research Center, and Director, University of Washington Clinical Learning, Evidence, and Research Center for Musculoskeletal Disorders, University of Washington School of Medicine, Seattle, Washington
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Han CS, Hancock MJ, Downie A, Jarvik JG, Koes BW, Machado GC, Verhagen AP, Williams CM, Chen Q, Maher CG. Red flags to screen for vertebral fracture in people presenting with low back pain. Cochrane Database Syst Rev 2023; 8:CD014461. [PMID: 37615643 PMCID: PMC10448864 DOI: 10.1002/14651858.cd014461.pub2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/25/2023]
Abstract
BACKGROUND Low back pain is a common presentation across different healthcare settings. Clinicians need to confidently be able to screen and identify people presenting with low back pain with a high suspicion of serious or specific pathology (e.g. vertebral fracture). Patients identified with an increased likelihood of having a serious pathology will likely require additional investigations and specific treatment. Guidelines recommend a thorough history and clinical assessment to screen for serious pathology as a cause of low back pain. However, the diagnostic accuracy of recommended red flags (e.g. older age, trauma, corticosteroid use) remains unclear, particularly those used to screen for vertebral fracture. OBJECTIVES To assess the diagnostic accuracy of red flags used to screen for vertebral fracture in people presenting with low back pain. Where possible, we reported results of red flags separately for different types of vertebral fracture (i.e. acute osteoporotic vertebral compression fracture, vertebral traumatic fracture, vertebral stress fracture, unspecified vertebral fracture). SEARCH METHODS We used standard, extensive Cochrane search methods. The latest search date was 26 July 2022. SELECTION CRITERIA We considered primary diagnostic studies if they compared results of history taking or physical examination (or both) findings (index test) with a reference standard test (e.g. X-ray, magnetic resonance imaging (MRI), computed tomography (CT), single-photon emission computerised tomography (SPECT)) for the identification of vertebral fracture in people presenting with low back pain. We included index tests that were presented individually or as part of a combination of tests. DATA COLLECTION AND ANALYSIS Two review authors independently extracted data for diagnostic two-by-two tables from the publications or reconstructed them using information from relevant parameters to calculate sensitivity, specificity, and positive (+LR) and negative (-LR) likelihood ratios with 95% confidence intervals (CIs). We extracted aspects of study design, characteristics of the population, index test, reference standard, and type of vertebral fracture. Meta-analysis was not possible due to heterogeneity of studies and index tests, therefore the analysis was descriptive. We calculated sensitivity, specificity, and LRs for each test and used these as an indication of clinical usefulness. Two review authors independently conducted risk of bias and applicability assessment using the QUADAS-2 tool. MAIN RESULTS This review is an update of a previous Cochrane Review of red flags to screen for vertebral fracture in people with low back pain. We included 14 studies in this review, six based in primary care, five in secondary care, and three in tertiary care. Four studies reported on 'osteoporotic vertebral fractures', two studies reported on 'vertebral compression fracture', one study reported on 'osteoporotic and traumatic vertebral fracture', two studies reported on 'vertebral stress fracture', and five studies reported on 'unspecified vertebral fracture'. Risk of bias was only rated as low in one study for the domains reference standard and flow and timing. The domain patient selection had three studies and the domain index test had six studies rated at low risk of bias. Meta-analysis was not possible due to heterogeneity of the data. Results from single studies suggest only a small number of the red flags investigated may be informative. In the primary healthcare setting, results from single studies suggest 'trauma' demonstrated informative +LRs (range: 1.93 to 12.85) for 'unspecified vertebral fracture' and 'osteoporotic vertebral fracture' (+LR: 6.42, 95% CI 2.94 to 14.02). Results from single studies suggest 'older age' demonstrated informative +LRs for studies in primary care for 'unspecified vertebral fracture' (older age greater than 70 years: 11.19, 95% CI 5.33 to 23.51). Results from single studies suggest 'corticosteroid use' may be an informative red flag in primary care for 'unspecified vertebral fracture' (+LR range: 3.97, 95% CI 0.20 to 79.15 to 48.50, 95% CI 11.48 to 204.98) and 'osteoporotic vertebral fracture' (+LR: 2.46, 95% CI 1.13 to 5.34); however, diagnostic values varied and CIs were imprecise. Results from a single study suggest red flags as part of a combination of index tests such as 'older age and female gender' in primary care demonstrated informative +LRs for 'unspecified vertebral fracture' (16.17, 95% CI 4.47 to 58.43). In the secondary healthcare setting, results from a single study suggest 'trauma' demonstrated informative +LRs for 'unspecified vertebral fracture' (+LR: 2.18, 95% CI 1.86 to 2.54) and 'older age' demonstrated informative +LRs for 'osteoporotic vertebral fracture' (older age greater than 75 years: 2.51, 95% CI 1.48 to 4.27). Results from a single study suggest red flags as part of a combination of index tests such as 'older age and trauma' in secondary care demonstrated informative +LRs for 'unspecified vertebral fracture' (+LR: 4.35, 95% CI 2.92 to 6.48). Results from a single study suggest when '4 of 5 tests' were positive in secondary care, they demonstrated informative +LRs for 'osteoporotic vertebral fracture' (+LR: 9.62, 95% CI 5.88 to 15.73). In the tertiary care setting, results from a single study suggest 'presence of contusion/abrasion' was informative for 'vertebral compression fracture' (+LR: 31.09, 95% CI 18.25 to 52.96). AUTHORS' CONCLUSIONS The available evidence suggests that only a few red flags are potentially useful in guiding clinical decisions to further investigate people suspected to have a vertebral fracture. Most red flags were not useful as screening tools to identify vertebral fracture in people with low back pain. In primary care, 'older age' was informative for 'unspecified vertebral fracture', and 'trauma' and 'corticosteroid use' were both informative for 'unspecified vertebral fracture' and 'osteoporotic vertebral fracture'. In secondary care, 'older age' was informative for 'osteoporotic vertebral fracture' and 'trauma' was informative for 'unspecified vertebral fracture'. In tertiary care, 'presence of contusion/abrasion' was informative for 'vertebral compression fracture'. Combinations of red flags were also informative and may be more useful than individual tests alone. Unfortunately, the challenge to provide clear guidance on which red flags should be used routinely in clinical practice remains. Further research with primary studies is needed to improve and consolidate our current recommendations for screening for vertebral fractures to guide clinical care.
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Affiliation(s)
- Christopher S Han
- Institute for Musculoskeletal Health, The University of Sydney and Sydney Local Health District, Sydney, Australia
| | - Mark J Hancock
- Department of Health Sciences, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, Australia
| | - Aron Downie
- Institute for Musculoskeletal Health, The University of Sydney and Sydney Local Health District, Sydney, Australia
- Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, Australia
| | - Jeffrey G Jarvik
- Departments of Radiology and Neurological Surgery, and the UW Clinical Learning, Evidence And Research (CLEAR) Center for Musculoskeletal Disorders, University of Washington School of Medicine, Seattle, USA
| | - Bart W Koes
- Center for Muscle and Joint Health, University of Southern Denmark, Odense, Denmark
- Department of General Practice, Erasmus University Medical Center, Rotterdam, Netherlands
| | - Gustavo C Machado
- Institute for Musculoskeletal Health, The University of Sydney and Sydney Local Health District, Sydney, Australia
| | - Arianne P Verhagen
- Discipline of Physiotherapy, Graduate School of Health, University of Technology Sydney (UTS), Sydney, Australia
| | | | - Qiuzhe Chen
- Institute for Musculoskeletal Health, The University of Sydney and Sydney Local Health District, Sydney, Australia
| | - Christopher G Maher
- Institute for Musculoskeletal Health, The University of Sydney and Sydney Local Health District, Sydney, Australia
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Wáng YXJ, Leung JC, Lam PM, Kwok TC. Conversion of osteoporotic-like vertebral fracture severity score to osteoporosis T-score equivalent status: A framework study for older Chinese men. Osteoporos Sarcopenia 2023; 9:14-21. [PMID: 37082356 PMCID: PMC10111950 DOI: 10.1016/j.afos.2023.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 01/28/2023] [Accepted: 03/09/2023] [Indexed: 04/22/2023] Open
Abstract
Objectives To define what portion of older community men with what severity of radiographic osteoporotic-like vertebral fracture (OLVF) correspond to what low T-score status. Methods There were 755 community Chinese men (age: 76.4 ± 6.7 years) with thoracic and lumbar spine radiographs, and hip and lumbar spine bone mineral density measures. For each vertebra in a subject, a score of 0, -0.5, -1, -1.5, -2, -2.5, and -3 was assigned for no OLVF or OLVF of <20%, ≥ 20-25%, ≥ 2 5%-1/3, ≥ 1/3-40%, ≥ 40%-2/3, and ≥ 2/3 vertebral height loss, respectively. OLVFss was defined as the summed score of vertebrae T4 to L5. OLVFss and T-scores were ranked from the smallest to the largest values. Results OLVFss of -2, -2.5, -3, corresponded to a mean femoral neck T-score of -2.297 (range: -2.355∼-2.247), -2.494 (range: -2.637∼ -2.363), and -2.773 (range: -2.898∼-2.643), a mean hip T-score of-2.311 (range: -2.420∼-2.234), -2.572 (range: -2.708∼-2.432), -2.911 (range: -3.134∼-2.708), a mean lumbar spine T-score of -2.495 (range: -2.656∼-2.403), -2.931 (range: -3.255∼-2.664), and -3.369 (range: -3.525∼-3.258). The Pearson correlation value of OLVFss and T-score of femoral neck, hip and lumbar spine was r = 0.21, 0.26, and 0.22 (all P < 0.0001). Conclusions A single severe grade radiological OLVF (≥ 40% height loss) or OLVFss ≤ -2.5 suggest the subject is osteoporotic, and a single collapse grade (≥ 2/3 height loss) OLVF or OLVFss ≤ -3 meets osteoporosis diagnosis criterion. The results highlight the difficulty of diagnosing osteoporotic vertebral fractures among Chinese older men.
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Affiliation(s)
- Yì Xiáng J. Wáng
- Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China
- Corresponding author.
| | - Jason C.S. Leung
- JC Centre for Osteoporosis Care and Control, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China
| | - Patti M.S. Lam
- JC Centre for Osteoporosis Care and Control, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China
| | - Timothy C.Y. Kwok
- JC Centre for Osteoporosis Care and Control, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China
- Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China
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Katayanagi J, Iida T, Hayamizu A, Matsumoto K, Furukawa H, Konuma H, Yanase T, Ozeki S. Pre-existing vertebral fracture is a risk factor for postoperative proximal junctional fracture after adult spinal deformity surgery: A propensity score-matched analysis. J Orthop Sci 2022; 27:308-316. [PMID: 33640224 DOI: 10.1016/j.jos.2021.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 12/08/2020] [Accepted: 01/04/2021] [Indexed: 10/22/2022]
Abstract
BACKGROUND Corrective surgery for adult spinal deformity has recently been increasingly performed because of aging populations and advances in minimally invasive surgery. Low bone mineral density is a major contributor to proximal junctional kyphosis after spinal long fusion. Assessment for low bone mineral density ideally involves both dual energy X-ray absorptiometry and identification of pre-existing vertebral fractures, the latter, requiring only standard equipment, being performed more frequently. We therefore aimed to examine the impact of pre-existing vertebral fractures on the incidence of type 2 proximal junctional kyphosis, including proximal junctional fracture and failure, after corrective surgery for adult spinal deformity. METHODS We performed a retrospective, single institution study of 106 women aged over 50 years who had undergone corrective long spinal fusion for severely symptomatic spinal deformity from 2014 to 2017. We allocated them to three groups (with and without pre-existing vertebral fractures and with severe [Grades 2-3 according to Genant et al.'s classification] preexisting vertebral fractures) and used propensity score matching to minimize bias. The primary outcome was postoperative proximal junctional fracture and the secondary outcome proximal junctional kyphosis/failure. RESULTS The primary and secondary endpoints were achieved significantly more often in the 28 patients with than in the 78 without preexisting vertebral fractures (total 41). The former group was also significantly older and had greater pelvic tilt and fewer fused segments than those without vertebral fractures. After propensity score matching, the incidences of the endpoints did not differ with pre-existing vertebral fracture status; however, patients with severe vertebral fractures more frequently had proximal junctional fractures postoperatively. Postoperative improvements in health-related quality of life scores did not differ with pre-existing vertebral fracture status. CONCLUSIONS Severe pre-existing vertebral fractures are a risk factor for proximal junctional fracture after correction of adult spinal deformity.
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Affiliation(s)
| | - Takahiro Iida
- Dokkyo Medical University Saitama Medical Center, Japan
| | | | | | | | - Hiroki Konuma
- Dokkyo Medical University Saitama Medical Center, Japan
| | | | - Satoru Ozeki
- Dokkyo Medical University Saitama Medical Center, Japan
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Kondo S, Ueda Y, Komatsu K, Ono R, Sato N, Matsuura T, Katoh S. Characteristics of the stand-to-sit motion in healthy older women : Evaluation of sitting impact by measurement of ground reaction forces. THE JOURNAL OF MEDICAL INVESTIGATION 2022; 69:278-286. [DOI: 10.2152/jmi.69.278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Shin Kondo
- Division of Rehabilitation, Tokushima University Hospital, Tokushima, Japan
| | - Yuya Ueda
- Department of Public Health, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Koji Komatsu
- Division of Rehabilitation, Tokushima University Hospital, Tokushima, Japan
| | - Rei Ono
- Department of Public Health, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Nori Sato
- Department of Rehabilitation Medicine, Tokushima University Hospital, Tokushima, Japan
| | - Tetsuya Matsuura
- Department of Rehabilitation Medicine, Tokushima University Hospital, Tokushima, Japan
| | - Shinsuke Katoh
- Department of Rehabilitation Medicine, Red Cross Tokushima Hinomine Rehabilitation Center for People with Disabilities, Tokushima, Japan
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Lentle BC, Hammond I, Leslie WD, Brown JP, Probyn L, Munk PL, Prior JC, Goltzman D. The diagnosis of osteoporotic vertebral fractures redux. Clin Radiol 2021; 77:75-77. [PMID: 34732292 DOI: 10.1016/j.crad.2021.09.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 09/30/2021] [Indexed: 11/03/2022]
Affiliation(s)
- B C Lentle
- University of British Columbia, Vancouver, BC, Canada.
| | - I Hammond
- University of Ottawa, Ottawa, Ontario, Canada
| | - W D Leslie
- University of Manitoba, Winnipeg, Manitoba, Canada
| | - J P Brown
- CHU de Québec Research Centre, Laval University, Québec City, QC, Canada
| | - L Probyn
- University of Toronto, Toronto, Ontario, Canada
| | - P L Munk
- University of British Columbia, Vancouver, BC, Canada
| | - J C Prior
- University of British Columbia, Vancouver, BC, Canada; Centre for Menstrual Cycle and Ovulation research, Vancouver, BC, Canada
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Tan B, Yang QY, Fan B, Lei C, Hu ZM. Is It Necessary to Approach the Severe Osteoporotic Vertebral Biconcave-Shaped Fracture Bilaterally During the Process of PKP? J Pain Res 2021; 14:1601-1610. [PMID: 34113167 PMCID: PMC8187090 DOI: 10.2147/jpr.s293528] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 05/03/2021] [Indexed: 12/26/2022] Open
Abstract
Purpose The goal of this study was to explore the outcomes of unilateral and bilateral approach percutaneous kyphoplasty (PKP) using CT-guidance in the treatment of severe osteoporotic single-level vertebral biconcave-shaped fracture. Methods We retrospectively reviewed 89 patients with severe osteoporotic single-level vertebral biconcave-shaped fracture who had undergone unilateral and bilateral PKP surgeries using CT-guidance at our hospital between June 2013 and June 2019, and followed for at least 1 year. All patients were divided into unilateral (the transverse process-pedicle approach, n = 49) and bilateral (the pedicle approach, n = 40) groups. We collected the clinical and radiological evaluation results during postoperative and last follow-up periods. Results Our findings revealed that the surgery time for the unilateral group was significantly shorter than that of the bilateral group at P < 0.05. The amount of bone cement and radiation exposure of the unilateral group were significantly lesser than that of the bilateral group (P < 0.05). Relative to preoperative data, the values of the VAS score and Oswestry disability index (ODI) were significantly improved at 1 day after surgery and the last follow-up in the two groups (P < 0.05). Notably, the median height of vertebra at 1 day after surgery and the last follow-up in the unilateral group was significantly restored than that of preoperative data (P < 0.05). However, the median height of vertebra at the same time intervals in the bilateral group showed no significant change compared with preoperative data (P > 0.05). Furthermore, the rate of bone cement leakage and incidence of adjacent-level vertebra fracture were not significantly different in the two groups (P > 0.05). Finally, both groups can obtain an asymmetrical distribution of bone cement in the vertebra. Conclusion Compared to the bilateral PKP, unilateral PKP using CT-guidance in the treatment of the sOVBFs exhibits significantly shorter operation time, lesser radiation dose, and complications. Moreover, unilateral PKP can restore the median height of the vertebral body and eventually obtain a symmetrical distribution of bone cement in the vertebra.
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Affiliation(s)
- Bing Tan
- Department of Orthopedic, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China.,Department of Spine Surgery, The Third Hospital of MianYang, Sichuan Mental Health Center, Mianyang, People's Republic of China
| | - Qi-Yuan Yang
- Department of Spine Surgery, The Third Hospital of MianYang, Sichuan Mental Health Center, Mianyang, People's Republic of China
| | - Bin Fan
- Department of Spine Surgery, The Third Hospital of MianYang, Sichuan Mental Health Center, Mianyang, People's Republic of China
| | - Chao Lei
- Department of Spine Surgery, The Third Hospital of MianYang, Sichuan Mental Health Center, Mianyang, People's Republic of China
| | - Zhen-Ming Hu
- Department of Orthopedic, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
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Elderly men have much lower vertebral fracture risk than elderly women even at advanced age: the MrOS and MsOS (Hong Kong) year 14 follow-up radiology results. Arch Osteoporos 2020; 15:176. [PMID: 33159570 DOI: 10.1007/s11657-020-00845-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 10/20/2020] [Indexed: 02/07/2023]
Abstract
UNLABELLED MrOS MsOS (Hong Kong) studies year 14 follow-up shows for subjects without baseline osteoporotic vertebral deformity, women's incident vertebral fracture (VF) rate was twice that of men. For subjects with vertebral deformity of baseline ≥ 20% height loss, counting subject, women's incident VF rate was three times higher than that of men. INTRODUCTION For MrOS MsOS (Hong Kong) baseline (BL) studies, 2000 men and 2000 women ≥ 65 years were recruited during 2001 to 2003. This study presents the year 14 follow-up (FU). MATERIALS Whole spine MRI was performed in 271 males (mean, 82.8 ± 3.6 years) and 150 females (mean, 82.0 ± 4.29 years). Osteoporotic vertebral deformity (OVD) classification included no OVD (grade 0), and OVDs with < 20%, 20~25%, > 25%~1/3, > 1/3~40%, > 40%~2/3, and > 2/3 height loss (grade 1~6). With an existing VD, a further height loss of ≥ 15% was a VD progression. A new incident VD was a change from grade 0 to ≥ grade 2 or to grade 1 with ≥ 10% height loss. OVD progression and new incident OVD were considered incident VF. RESULTS The proportion of osteoporotic subjects only slightly increased during FU for men but doubled for women. Groupwise, OVD was not associated with back pain in men; but OVD with > 1/3 height loss was associated with back pain in women. For subjects without BL OVD, 7.9% of men and 14.6% of women had incident VF. For subjects with BL OVD of ≥ 20% height loss, men's and women's incident VF were 17.6% and 52.6%, respectively, counting subject and 1.68% and 7.89%, respectively, counting vertebra. CONCLUSION Elderly men with or without existing osteoporotic VD have much lower future VF risk than elderly women.
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Whole Spine CT Scan for the Detection of Acute Spinal Fractures in Diffuse Idiopathic Skeletal Hyperostosis Patients Who Sustained Low-energy Trauma. Spine (Phila Pa 1976) 2020; 45:1348-1353. [PMID: 32341308 DOI: 10.1097/brs.0000000000003536] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN Retrospective cohort study. OBJECTIVE The aim of this study was to evaluate the role and value of whole-spine computerized tomography (WSCT) versus radiographs and targeted CT to tender spinal regions in patients with diffuse idiopathic skeletal hyperostosis (DISH) after low-energy trauma. SUMMARY OF BACKGROUND DATA Subjects with DISH are prone to spinal fractures even after low-impact trauma due to a rigid spinal structure. METHODS One-hundred forty-seven subjects (average age: 83 years, M:F 64/83) with verified DISH (Resnick and Niwayama radiographic criteria) on WSCT who were admitted to the emergency room (ER) after low-energy trauma and for whom there were radiographs of at least the thoracic and lumbar spine were evaluated for the presence of acute spinal fractures on both radiographs and WSCT. Agreement between fracture location and spinal tenderness location (cervical, thoracic, or lumbar) as reported in the medical record was evaluated. RESULTS Significantly more acute fractures were detected on WSCT compared to radiographs (55 and 32, P < 0.00001, respectively). The site of tenderness was not indicative of the fractured spinal segment in 57% of all acute fractures (seven cervical, 15 thoracic, and 16 lumbar). No fracture was detected on WSCT in 10 subjects with an unspecified pain location. Multilevel distant fractures were detected in two patients with a specified pain location to only one of the fractures. CONCLUSION WSCT in DISH subjects after low-impact trauma is mandatory due to the high prevalence of acute fractures and the low specificity for fracture detection on radiographs. A targeted CT approach to the tender spinal segment proved to be inadequate and would have missed 57% of the acute single fractures with incompatible spinal tenderness location. These results support the significant role of WSCT in the ER setting for detecting and pinpointing the spinal fracture site of DISH subjects who present with low-impact trauma. LEVEL OF EVIDENCE 3.
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Wáng YXJ, Lentle BC. Radiographic osteoporotic vertebral fractures in elderly men: a brief review focusing on differences between the sexes. Quant Imaging Med Surg 2020; 10:1863-1876. [PMID: 32879863 PMCID: PMC7417751 DOI: 10.21037/qims-2020-21] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Accepted: 06/28/2020] [Indexed: 12/16/2022]
Abstract
Bone loss occurs in both sexes as a result of ageing but is exacerbated in women by the hormonal changes associated with menopause. Unlike in women, secondary osteoporosis occurs in almost half of men diagnosed with osteoporosis. Moreover, vertebral fractures (VFs) seen in elderly men may more likely be the result of high energy trauma. The osteoporotic vertebral fracture (OVF) radiograph diagnosis criteria for women may not be directly applicable for men. Particular attention should be paid to the mid-thoracic level where over-diagnosis commonly occurs. For wedge-shaped vertebral deformities (VDs) or VDs with anterior height reduction only, a diagnosis of OVF requires great caution, as they are poorly correlated to bone mineral density (BMD). For age-matched subjects, it is likely that elderly men's prevalent radiographic OVFs are approximately half of the elderly women's. This male-female ratio is very similar to other clinical fractures such as those occurring at the hip. Even so, the clinical relevance of OVF in elderly men may be less than that of elderly women. On the other hand, for elderly men with hip BMD-based osteoporosis, the OVF risk is as high as that of osteoporotic women. Elderly Chinese men have a lower OVF prevalence than age-matched Caucasian men.
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Affiliation(s)
- Yì Xiáng J. Wáng
- Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
| | - Brian C. Lentle
- Department of Radiology, University of British Columbia, Vancouver, BC, Canada
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11
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Affiliation(s)
- Brian C Lentle
- Department of Radiology, University of British Columbia, Vancouver, Canada
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12
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Nethander M, Pettersson-Kymmer U, Vandenput L, Lorentzon M, Karlsson M, Mellström D, Ohlsson C. BMD-Related Genetic Risk Scores Predict Site-Specific Fractures as Well as Trabecular and Cortical Bone Microstructure. J Clin Endocrinol Metab 2020; 105:5739622. [PMID: 32067027 PMCID: PMC7069346 DOI: 10.1210/clinem/dgaa082] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Accepted: 02/14/2020] [Indexed: 11/30/2022]
Abstract
CONTEXT It is important to identify patients at highest risk of fractures. OBJECTIVE To compare the separate and combined performances of bone-related genetic risk scores (GRSs) for prediction of forearm, hip and vertebral fractures separately, as well as of trabecular and cortical bone microstructure parameters separately. DESIGN, SETTING, AND PARTICIPANTS Using 1103 single nucleotide polymorphisms (SNPs) independently associated with estimated bone mineral density of the heel (eBMD), we developed a weighted GRS for eBMD and determined its contribution to fracture prediction beyond 2 previously developed GRSs for femur neck BMD (49 SNPs) and lumbar spine BMD (48 SNPs). Associations between these GRSs and forearm (ncases = 1020; ncontrols = 2838), hip (ncases = 1123; ncontrols = 2630) and vertebral (ncases = 288; ncontrols = 1187) fractures were evaluated in 3 Swedish cohorts. Associations between the GRSs and trabecular and cortical bone microstructure parameters (n = 426) were evaluated in the MrOS Sweden cohort. RESULTS We found that eBMDGRS was the only significant independent predictor of forearm and vertebral fractures while both FN-BMDGRS and eBMDGRS were significant independent predictors of hip fractures. The eBMDGRS was the major GRS contributing to prediction of trabecular bone microstructure parameters while both FN-BMDGRS and eBMDGRS contributed information for prediction of cortical bone microstructure parameters. CONCLUSIONS The eBMDGRS independently predicts forearm and vertebral fractures while both FN-BMDGRS and eBMDGRS contribute independent information for prediction of hip fractures. We propose that eBMDGRS captures unique information about trabecular bone microstructure useful for prediction of forearm and vertebral fractures. These findings may facilitate personalized medicine to predict site-specific fractures as well as cortical and trabecular bone microstructure separately.
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Affiliation(s)
- Maria Nethander
- Centre for Bone and Arthritis Research, Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Bioinformatics Core Facility, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Ulrika Pettersson-Kymmer
- Clinical Pharmacology, Department of Pharmacology and Clinical Neuroscience, Umea University, Umea, Sweden
| | - Liesbeth Vandenput
- Centre for Bone and Arthritis Research, Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Mattias Lorentzon
- Centre for Bone and Arthritis Research, Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Geriatric Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Mary MacKillop Institute for Health Research, Australian Catholic University, Melbourne, Australia
| | - Magnus Karlsson
- Clinical and Molecular Osteoporosis Research Unit, Department of Orthopedics and Clinical Sciences, Lund University, Skåne University Hospital, Malmö, Sweden
| | - Dan Mellström
- Centre for Bone and Arthritis Research, Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Geriatric Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Claes Ohlsson
- Centre for Bone and Arthritis Research, Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Sahlgrenska University Hospital, Department of Drug Treatment, Gothenburg, Sweden
- Correspondence and Reprint Requests: Professor Claes Ohlsson MD, PhD, Centre for Bone and Arthritis Research, Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Vita Stråket 11, SE-41345 Gothenburg, Sweden. E-mail:
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13
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Wáng YXJ, Che-Nordin N, Deng M, Griffith JF, Leung JCS, Kwok AWL, Leung PC, Kwok TCY. Elderly males with or without existing osteoporotic vertebral fracture have much lower future vertebral fracture risk than elderly females: the MrOS (Hong Kong) year-4 follow-up spine radiograph study. Osteoporos Int 2019; 30:2505-2514. [PMID: 31478068 DOI: 10.1007/s00198-019-05136-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Accepted: 08/16/2019] [Indexed: 12/18/2022]
Abstract
UNLABELLED MrOS (Hong Kong)'s year-4 follow-up shows, for subjects at baseline without vertebral deformity (VD) and endplate or/and cortex fracture (ECF), the VD progression/new VD rate during follow-up in males was half of our paired MsOS (Hong Kong) study's results. For those with VD or ECF, the VD progression/new VD was less than one sixth of females' rate. INTRODUCTION This study documents MrOS (Hong Kong)'s year-4 follow-up, and the results are compared with the MsOS (Hong Kong) study. Of elderly females with Genant's grade-0, -1, -2, and -3 VD, at year-4 follow-up, 4.6%, 8%, 10.6%, and 28.9% had at least one VD progression or incident VD, respectively. METHODS Spine radiographs of 1500 Chinese males with baseline (mean age 71.7 years, range 65-91 years) and year-4 follow-up were evaluated according to Genant's VD criteria and ECF (non-existent, ECF0; or existent, ECF1). Grade-2 VDs were divided into mild (VD2m, 25-34% height loss) and severe (VD2s, 34-40% height loss) subgroups. Study subjects were graded into eight categories: VD0/ECF0, VD1/ECF0, VD2m/ECF0, VD0/ECF1, VD1/ECF1, VD2m/ECF1, VD2s/ECF1, and VD3/ECF1. With an existing VD, a further height loss of ≥ 15% was a VD progression. A new VD incident was a change from grade-0 to grade-2/3, or to grade-1 with ≥ 10% height loss. RESULTS Of subjects with Genant's grade-0, 2.05% (25/1219) developed at least one VD progression or/and new VD, while of subjects with Genant's grade-1, -2, and -3 VD, only 2% (3/149), 3.1% (3/96), and 2.8% (1/36) developed at least one VD progression/new VD, respectively. Among the three ECF0 groups, there was a significant difference in new ECF incidence, with VD0/ECF0 being the lowest and VD2m/ECF0 being the highest. CONCLUSION VD progression/new VD is much less common in elderly men than in elderly women. Vertebrae with VD had a higher risk of developing ECF.
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Affiliation(s)
- Y X J Wáng
- Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, SAR, China.
| | - N Che-Nordin
- Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, SAR, China
| | - M Deng
- Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, SAR, China
| | - J F Griffith
- Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, SAR, China
| | - J C S Leung
- JC Centre for Osteoporosis Care and Control, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, SAR, China
| | - A W L Kwok
- JC Centre for Osteoporosis Care and Control, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, SAR, China
| | - P C Leung
- JC Centre for Osteoporosis Care and Control, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, SAR, China
| | - T C Y Kwok
- JC Centre for Osteoporosis Care and Control, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, SAR, China
- Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, SAR, China
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14
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Horii C, Asai Y, Iidaka T, Muraki S, Oka H, Tsutsui S, Hashizume H, Yamada H, Yoshida M, Kawaguchi H, Nakamura K, Akune T, Tanaka S, Yoshimura N. Differences in prevalence and associated factors between mild and severe vertebral fractures in Japanese men and women: the third survey of the ROAD study. J Bone Miner Metab 2019; 37:844-853. [PMID: 30607619 DOI: 10.1007/s00774-018-0981-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Accepted: 11/21/2018] [Indexed: 01/06/2023]
Abstract
Vertebral fracture (VF) is a common osteoporotic fracture, while its epidemiology varies according to regions and ethnicities, little is known about it in Japan. Using whole-spine radiographs from a population-based cohort study, the Research on Osteoarthritis/Osteoporosis Against Disability study 3rd survey performed in 2012-2013, we estimated the sex- and age-specific prevalence of VF in the Japanese. Genant's semiquantitative method (SQ) was used to define VF; SQ ≥ 1 as VF, SQ = 1 as mild VF, SQ≥ 2 as severe VF. We also revealed accurate site-specific prevalence, and associated factors with mild and severe VF. The participants were 506 men [mean age 66.3 years, standard deviation (SD):13.0] and 1038 women (mean age 65.3 years, SD: 12.6). The prevalence of VF in participants aged under 40, in their 40s, 50s, 60s, 70s, and ≥ 80 years was 17.4, 7.9, 18.5, 25.6, 26.3, and 41.5%, respectively, in men, and 2.9%, 2.4%, 7,3, 10.3, 27.1, and 53.0%, respectively, in women. Men had a significantly higher prevalence of mild VF (21.2%) than women (10.0%, p < 0.001); whereas, severe VF was significantly more prevalent in women (9.1%) than in men (4.7%, p = 0.003). VF was distributed with 2 peaks regarding site; one large peak at the thoracolumbar region, and another at the middle thoracic lesion. Low back pain and decreased walking ability were independently associated with severe VF, but not with mild VF, after adjustment for participant characteristics. Decreased walking ability was associated with multiple VFs in women, but not in men.
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Affiliation(s)
- Chiaki Horii
- Department of Orthopaedic Surgery, Faculty of Medicine, The University of Tokyo Hospital, Hongo 7-3-1, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Yoshiki Asai
- Department of Orthopaedic Surgery, Wakayama Medical University, Wakayama, 811-1 Kimiidera, Wakayama, Wakayama, 641-8510, Japan
| | - Toshiko Iidaka
- Department of Preventive Medicine for Locomotive Organ Disorders, 22nd Century Medical and Research Center, The University of Tokyo Hospital, Hongo 7-3-1, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Shigeyuki Muraki
- Department of Preventive Medicine for Locomotive Organ Disorders, 22nd Century Medical and Research Center, The University of Tokyo Hospital, Hongo 7-3-1, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Hiroyuki Oka
- Department of Medical Research and Management for Musculoskeletal Pain, 22nd Century Medical and Research Center, The University of Tokyo Hospital, Hongo 7-3-1, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Shunji Tsutsui
- Department of Orthopaedic Surgery, Wakayama Medical University, Wakayama, 811-1 Kimiidera, Wakayama, Wakayama, 641-8510, Japan
| | - Hiroshi Hashizume
- Department of Orthopaedic Surgery, Wakayama Medical University, Wakayama, 811-1 Kimiidera, Wakayama, Wakayama, 641-8510, Japan
| | - Hiroshi Yamada
- Department of Orthopaedic Surgery, Wakayama Medical University, Wakayama, 811-1 Kimiidera, Wakayama, Wakayama, 641-8510, Japan
| | - Munehito Yoshida
- Department of Orthopaedic Surgery, Wakayama Medical University, Wakayama, 811-1 Kimiidera, Wakayama, Wakayama, 641-8510, Japan
| | - Hiroshi Kawaguchi
- JCHO Tokyo Shinjuku Medical Center, 5-1, Tsukudo-cho, Shinjyuku-ku, Tokyo, 162-8543, Japan
| | - Kozo Nakamura
- National Rehabilitation Center for Persons with Disabilities, 4-1 Namiki, Tokorozawa, Saitama, 359-0042, Japan
| | - Toru Akune
- National Rehabilitation Center for Persons with Disabilities, 4-1 Namiki, Tokorozawa, Saitama, 359-0042, Japan
| | - Sakae Tanaka
- Department of Orthopaedic Surgery, Faculty of Medicine, The University of Tokyo Hospital, Hongo 7-3-1, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Noriko Yoshimura
- Department of Preventive Medicine for Locomotive Organ Disorders, 22nd Century Medical and Research Center, The University of Tokyo Hospital, Hongo 7-3-1, Bunkyo-ku, Tokyo, 113-8655, Japan.
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15
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Ejlsmark-Svensson H, Bislev LS, Lajlev S, Harsløf T, Rolighed L, Sikjaer T, Rejnmark L. Prevalence and Risk of Vertebral Fractures in Primary Hyperparathyroidism: A Nested Case-Control Study. J Bone Miner Res 2018; 33:1657-1664. [PMID: 29734476 DOI: 10.1002/jbmr.3461] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Revised: 04/24/2018] [Accepted: 04/28/2018] [Indexed: 12/11/2022]
Abstract
Prevalence of vertebral fractures (VFx) in primary hyperparathyroidism (PHPT) remains uncertain. We aimed to estimate the prevalence of VFx, investigate potential risk factors associated with VFx, and whether bone mineral density (BMD) differs between PHPT and osteoporotic patients with VFx. Through the Danish National Patient Register, we identified patients diagnosed with PHPT from 2005 to 2015. The diagnosis was verified by reviewing biochemical findings, and X-ray reports were reviewed by two investigators. Osteoporotic patients with VFx were identified from our outpatient clinic and matched on age and sex with PHPT patients with VFx. We identified 792 PHPT patients among whom spine X-ray was available from 588 patients. VFx were present in 122 (21%) patients and were equally frequent among sexes (77% females). Fractured patients were older (70 versus 63 years) and had lower heights (163 versus 166 cm) compared with nonfractured patients (p all < 0.02). After stratification by age groups, the prevalence of VFx differed significantly between sexes (p < 0.01). Ionized calcium and parathyroid hormone did not differ between groups. BMD at total hip and forearm were lower in fractured compared with nonfractured patients (p < 0.03 for both) after adjusting for age, sex, and body mass index (BMI). Compared with osteoporotic patients with VFx (n = 108), BMD at the lumbar spine was higher in PHPT patients with VFx (n = 108) (p < 0.01). This did not change by excluding patients with lumbar VFx (p < 0.01). The severity of PHPT assessed by biochemistry does not seem to be associated with risk of VFx. Compared with osteoporosis, VFx seems to occur at a higher BMD in PHPT. © 2018 American Society for Bone and Mineral Research.
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Affiliation(s)
| | - Lise Sofie Bislev
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - Siv Lajlev
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - Torben Harsløf
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - Lars Rolighed
- Department of Otorhinolaryngology, Head and Neck Surgery, Aarhus University Hospital, Aarhus, Denmark
| | - Tanja Sikjaer
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - Lars Rejnmark
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Aarhus, Denmark
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16
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Wáng YXJ, Che-Nordin N. Informed communication with study subjects of radiographically detected osteoporotic vertebral deformity. Quant Imaging Med Surg 2018; 8:876-880. [PMID: 30306065 PMCID: PMC6177369 DOI: 10.21037/qims.2018.09.06] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2018] [Accepted: 09/11/2018] [Indexed: 11/06/2022]
Affiliation(s)
- Yì Xiáng J Wáng
- Department of Imaging and Interventional Radiology, the Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, New Territories, Hong Kong SAR, China
| | - Nazmi Che-Nordin
- Department of Imaging and Interventional Radiology, the Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, New Territories, Hong Kong SAR, China
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17
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Epidemiology of fragility fractures and fall prevention in the elderly: a systematic review of the literature. CURRENT ORTHOPAEDIC PRACTICE 2017; 28:580-585. [PMID: 29177024 PMCID: PMC5671779 DOI: 10.1097/bco.0000000000000563] [Citation(s) in RCA: 87] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Fragility fractures in the elderly is an ongoing concern for orthopaedic surgeons. A 50-year-old woman has a 40% chance of having a vertebral compression fracture in her lifetime. The incidence of vertebral fractures, reported to be more than 10 times higher than that of femoral fractures, is estimated as 1–1.5 million per year in Japan. Vertebral fractures often occur without a fall, whereas the majority of nonvertebral fractures are the consequence of falls; the site of the nonvertebral fracture appears to be dictated by the type of fall. Distal radial fractures commonly occur as a consequence of hand protection during the fall. In older patients, falling load tends to directly affect shoulder and hip joints and lead to proximal humeral and femoral fractures. The incidence of vertebral fractures is increased in women over 50 yr of age, following the same trend as osteoporosis prevalence. Conversely, the mean age for proximal femoral fractures is around 80 yr, and more than 75% of femoral fractures occur in individuals over the age of 75. The prognostic risk of aging is 11-fold greater than that of reduced bone mineral density, and age is another risk factor for femoral fractures. Prophylactic therapy for osteoporosis and femoral fractures was shown to more effective in women in their 70s than in those over the age of 80. Although several approaches, including exercise therapy, vitamin D administration, and environmental adjustment at home, have been reported to be effective in fall prevention, effective fracture prevention approaches in frail elderly individuals have not yet been well established.
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18
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Kucukler FK, Simsek Y, Turk AÇ, Arduc A, Guler S. Osteoporosis and Silent Vertebral Fractures in Nursing Home Resident Elderly Men in Turkey. J Clin Densitom 2017; 20:188-195. [PMID: 26071170 DOI: 10.1016/j.jocd.2015.05.064] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2015] [Revised: 04/20/2015] [Accepted: 05/06/2015] [Indexed: 01/22/2023]
Abstract
Osteoporosis is an important cause of vertebral fractures and there is an increased risk for osteoporosis in nursing home residents. Most of the men with osteoporosis and osteoporotic fractures are not diagnosed and do not receive treatment. Our study aim was to determine osteoporosis and silent vertebral fracture prevalence in male nursing home residents in Corum, Turkey. This cross-sectional study included 2 groups of patients: 71 male nursing home residents (nursing home group) with a mean age of 76.0 ± 0.8 years and 44 men living in their own homes (control group) with a mean age of 74.4 ± 0.7 years. Bone mineral densitometry was performed in all subjects, and results were evaluated according to the World Health Organization criteria. Vertebral deformity was evaluated using the spinal deformity index, and fracture risk was calculated using the Fracture Risk Assessment Tool. In all participants, serum calcium, phosphorus, 25 (OH) vitamin D, parathyroid hormone, and alkaline phosphates levels were measured and medical histories were recorded. Osteoporosis was detected in 25.3% of men residing in nursing homes and in 8.8% of men living in their own homes. Silent vertebral fracture was present in 27.8% of patients older than 65 years. Vertebral fracture rate was higher in nursing home residents (42.2%) than men living in their own homes (17.6%); 5.6% of nursing home group and 8.9% of control group patients were aware of their fractures. Our results demonstrated that male nursing home residents are at a higher risk for both osteoporosis and vertebral fractures compared to the men living in their own homes.
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Affiliation(s)
- Ferit Kerim Kucukler
- Department of Endocrinology, Hitit University Faculty of Medicine, Corum, Turkey.
| | - Yasin Simsek
- Department of Endocrinology, Hitit University Faculty of Medicine, Corum, Turkey
| | - Ayla Çaglayan Turk
- Department of Physical Therapy, Hitit University Faculty of Medicine, Corum, Turkey
| | - Ayse Arduc
- Department of Endocrinology, Ankara Numune Training and Research Hospital, Ankara, Turkey
| | - Serdar Guler
- Department of Endocrinology, Hitit University Faculty of Medicine, Corum, Turkey
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19
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Hoffman JR, Carpenter CR. Guarding Against Overtesting, Overdiagnosis, and Overtreatment of Older Adults: Thinking Beyond Imaging and Injuries to Weigh Harms and Benefits. J Am Geriatr Soc 2017; 65:903-905. [DOI: 10.1111/jgs.14737] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Jerome R. Hoffman
- Emergency Medicine; University of California Los Angeles; Los Angeles California
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20
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Briot K, Fechtenbaum J, Roux C. Clinical Relevance of Vertebral Fractures in Men. J Bone Miner Res 2016; 31:1497-9. [PMID: 27381556 DOI: 10.1002/jbmr.2906] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2016] [Revised: 06/28/2016] [Accepted: 07/03/2016] [Indexed: 11/08/2022]
Affiliation(s)
- Karine Briot
- Epidemiology and Biostatistics Sorbonne Paris Cité Research Center, INSERM U1153, Paris, France.,Paris Descartes University, Department of Rheumatology, Cochin Hospital, Paris, France
| | - Jacques Fechtenbaum
- Epidemiology and Biostatistics Sorbonne Paris Cité Research Center, INSERM U1153, Paris, France.,Paris Descartes University, Department of Rheumatology, Cochin Hospital, Paris, France
| | - Christian Roux
- Epidemiology and Biostatistics Sorbonne Paris Cité Research Center, INSERM U1153, Paris, France.,Paris Descartes University, Department of Rheumatology, Cochin Hospital, Paris, France
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21
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Karlsson MK, Kherad M, Hasserius R, Nilsson JÅ, Redlund-Johnell I, Ohlsson C, Lorentzon M, Mellström D, Rosengren BE. Characteristics of Prevalent Vertebral Fractures Predict New Fractures in Elderly Men. J Bone Joint Surg Am 2016; 98:379-85. [PMID: 26935460 DOI: 10.2106/jbjs.15.00328] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Studies have shown that specific characteristics of prevalent vertebral fractures are associated with a markedly low bone mineral density. This study evaluates if these characteristics also predict subsequent fractures. METHODS MrOS (Mister Osteoporosis) Sweden is a population-based, prospective observational study that includes 3014 community-living men who are sixty-nine to eighty-one years of age. At baseline, 1453 men underwent lateral thoracic and lumbar spine radiography; radiographs of 1427 men were readable. A radiologist identified and characterized prevalent vertebral fractures. Incident fractures during the next five and ten years were objectively registered with use of radiographs. The annual fracture incidence and relative risk of sustaining new fractures were assessed for men with and without baseline prevalent vertebral fracture. Data are presented as the mean and the 95% confidence interval. RESULTS There were 215 men (15.1%) with at least one prevalent vertebral fracture. During the five-year follow-up, these men had a relative risk of 3.3 (95% confidence interval, 2.6 to 4.3) of sustaining new fractures. The relative risk of sustaining any fracture was especially high in men with two or more prevalent vertebral fractures at 5.5 (95% confidence interval, 3.7 to 7.8), in men with different types of prevalent vertebral fractures at 5.7 (95% confidence interval, 3.6 to 8.5), in men with prevalent fractures in both the thoracic and lumbar regions at 6.4 (95% confidence interval, 4.5 to 8.8), and in men with prevalent fractures with a degree of vertebral body compression in the three worst quartiles, with the relative risk for the worst quartile at 4.0 (95% confidence interval, 2.6 to 5.9). CONCLUSIONS Older men with a prevalent vertebral fracture have three times increased risk of sustaining new fractures compared with men without a vertebral fracture. Older men with two or more prevalent vertebral fractures, different types of fractures (wedge, biconcave, and/or crush), fractures in both the thoracic and lumbar regions, and a degree of vertebral body compression in the three worst quartiles are at an especially high risk of sustaining new fractures. Older men with prevalent vertebral fractures should be considered for fracture-prevention efforts.
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Affiliation(s)
- Magnus K Karlsson
- Departments of Orthopedics and Clinical Sciences, Clinical and Molecular Osteoporosis Research Unit, Lund University, Skåne University Hospital, Malmö, Sweden
| | - Mehrsa Kherad
- Departments of Orthopedics and Clinical Sciences, Clinical and Molecular Osteoporosis Research Unit, Lund University, Skåne University Hospital, Malmö, Sweden
| | - Ralph Hasserius
- Departments of Orthopedics and Clinical Sciences, Clinical and Molecular Osteoporosis Research Unit, Lund University, Skåne University Hospital, Malmö, Sweden
| | - Jan-Åke Nilsson
- Departments of Orthopedics and Clinical Sciences, Clinical and Molecular Osteoporosis Research Unit, Lund University, Skåne University Hospital, Malmö, Sweden
| | - Inga Redlund-Johnell
- Departments of Orthopedics and Clinical Sciences, Clinical and Molecular Osteoporosis Research Unit, Lund University, Skåne University Hospital, Malmö, Sweden
| | - Claes Ohlsson
- Center for Bone and Arthritis Research, Institute of Medicine, Gothenburg University, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Mattias Lorentzon
- Geriatric Medicine, Institute of Medicine, Gothenburg University, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Dan Mellström
- Geriatric Medicine, Institute of Medicine, Gothenburg University, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Björn E Rosengren
- Departments of Orthopedics and Clinical Sciences, Clinical and Molecular Osteoporosis Research Unit, Lund University, Skåne University Hospital, Malmö, Sweden
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22
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Vandenput L, Mellström D, Kindmark A, Johansson H, Lorentzon M, Leung J, Redlund-Johnell I, Rosengren BE, Karlsson MK, Wang YX, Kwok T, Ohlsson C. High Serum SHBG Predicts Incident Vertebral Fractures in Elderly Men. J Bone Miner Res 2016; 31:683-9. [PMID: 26391196 PMCID: PMC4832265 DOI: 10.1002/jbmr.2718] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Revised: 09/17/2015] [Accepted: 09/18/2015] [Indexed: 12/11/2022]
Abstract
Previous prospective cohort studies have shown that serum levels of sex steroids and sex hormone-binding globulin (SHBG) associate with nonvertebral fracture risk in men. The predictive value of sex hormones and SHBG for vertebral fracture risk specifically is, however, less studied. Elderly men (aged ≥ 65 years) from Sweden and Hong Kong participating in the Osteoporotic Fractures in Men (MrOS) study had baseline estradiol and testosterone analyzed by gas chromatography-mass spectrometry (GC-MS) and SHBG by immunoradiometric assay (IRMA). Incident clinical vertebral fractures (n = 242 cases) were evaluated in 4324 men during an average follow-up of 9.1 years. In a subsample of these men (n = 2256), spine X-rays were obtained at baseline and after an average follow-up of 4.3 years to identify incident radiographic vertebral fractures (n = 157 cases). The likelihood of incident clinical and radiographic vertebral fractures was estimated by Cox proportional hazards models and logistic regression models, respectively. Neither serum estradiol (hazard ratio [HR] per SD increase = 0.93, 95% confidence interval [CI] 0.80-1.08) nor testosterone (1.05, 0.91-1.21) predicted incident clinical vertebral fractures in age-adjusted models in the combined data set. High serum SHBG, however, associated with increased clinical vertebral fracture risk (1.24, 1.12-1.37). This association remained significant after further adjustment for FRAX with or without bone mineral density (BMD). SHBG also associated with increased incident radiographic vertebral fracture risk (combined data set; odds ratio [OR] per SD increase = 1.23, 95% CI 1.05-1.44). This association remained significant after adjustment for FRAX with or without BMD. In conclusion, high SHBG predicts incident clinical and radiographic vertebral fractures in elderly men and adds moderate information beyond FRAX with BMD for vertebral fracture risk prediction.
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Affiliation(s)
- Liesbeth Vandenput
- Centre for Bone and Arthritis Research, Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Dan Mellström
- Centre for Bone and Arthritis Research, Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.,Geriatric Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Andreas Kindmark
- Department of Medical Sciences, University of Uppsala, Uppsala, Sweden
| | - Helena Johansson
- Centre for Bone and Arthritis Research, Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Mattias Lorentzon
- Centre for Bone and Arthritis Research, Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.,Geriatric Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Jason Leung
- Jockey Club Centre for Osteoporosis Care and Control, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Inga Redlund-Johnell
- Clinical and Molecular Osteoporosis Research Unit, Department of Clinical Sciences, Lund University, and Department of Orthopaedics, Skåne University Hospital, Malmö, Sweden
| | - Björn E Rosengren
- Clinical and Molecular Osteoporosis Research Unit, Department of Clinical Sciences, Lund University, and Department of Orthopaedics, Skåne University Hospital, Malmö, Sweden
| | - Magnus K Karlsson
- Clinical and Molecular Osteoporosis Research Unit, Department of Clinical Sciences, Lund University, and Department of Orthopaedics, Skåne University Hospital, Malmö, Sweden
| | - Yi-Xiang Wang
- Department of Imaging and Interventional Radiology, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Timothy Kwok
- Jockey Club Centre for Osteoporosis Care and Control, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Claes Ohlsson
- Centre for Bone and Arthritis Research, Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
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23
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Kherad M, Mellström D, Rosengren BE, Hasserius R, Nilsson JÅ, Redlund-Johnell I, Ohlsson C, Lorentzon M, Karlsson MK. The number and characteristics of prevalent vertebral fractures in elderly men are associated with low bone mass and osteoporosis. Bone Joint J 2015. [PMID: 26224829 DOI: 10.1302/0301-620x.97b8.35032] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
We sought to determine whether specific characteristics of vertebral fractures in elderly men are associated with low bone mineral density (BMD) and osteoporosis. Mister Osteoporosis Sweden is a population based cohort study involving 3014 men aged 69 to 81 years. Of these, 1427 had readable lateral radiographs of the thoracic and lumbar spine. Total body (TB) BMD (g/cm²) and total right hip (TH) BMD were measured by dual energy x-ray absorptiometry. The proportion of men with osteoporosis was calculated from TH BMD. There were 215 men (15.1%) with a vertebral fracture. Those with a fracture had lower TB BMD than those without (p < 0.001). Among men with a fracture, TB BMD was lower in those with more than three fractures (p = 0.02), those with biconcave fractures (p = 0.02) and those with vertebral body compression of > 42% (worst quartile) (p = 0.03). The mean odds ratio (OR) for having osteoporosis when having any type of vertebral fracture was 6.1 (95% confidence interval (CI) 3.9 to 9.5) compared with those without a fracture. A combination of more than three fractures and compression in the worst quartile had a mean OR of 114.2 (95% CI 6.7 to 1938.3) of having osteoporosis compared with those without a fracture. We recommend BMD studies to be undertaken in these subcohorts of elderly men with a vertebral fracture.
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Affiliation(s)
- M Kherad
- Skåne University Hospital, SE-20502, Malmo, Sweden
| | - D Mellström
- Sahlgrenska Hospital, SE- 431 80, Mölndal, Sweden
| | | | - R Hasserius
- Skåne University Hospital, SE-20502, Malmo, Sweden
| | - J-Å Nilsson
- Skåne University Hospital, SE-20502, Malmo, Sweden
| | | | - C Ohlsson
- Sahlgrenska University Hospital, SE- 413 45, Gothenburg, Sweden
| | - M Lorentzon
- Sahlgrenska Hospital, SE- 431 80, Mölndal, Sweden
| | - M K Karlsson
- Skåne University Hospital, SE-20502, Malmo, Sweden
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24
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Abstract
UNLABELLED Current prevention strategies for low-trauma fractures amongst older persons depend on the notions that fractures are mainly caused by osteoporosis (pathophysiology), that patients at high risk can be identified (screening) and that the risk is amenable to bone-targeted pharmacotherapy (treatment). However, all these three notions can be disputed. PATHOPHYSIOLOGY Most fracture patients have fallen, but actually do not have osteoporosis. A high likelihood of falling, in turn, is attributable to an ageing-related decline in physical functioning and general frailty. SCREENING Currently available fracture risk prediction strategies including bone densitometry and multifactorial prediction tools are unable to identify a large proportion of patients who will sustain a fracture, whereas many of those with a high fracture risk score will not sustain a fracture. TREATMENT The evidence for the viability of bone-targeted pharmacotherapy in preventing hip fracture and other clinical fragility fractures is mainly limited to women aged 65-80 years with osteoporosis, whereas the proof of hip fracture-preventing efficacy in women over 80 years of age and in men at all ages is meagre or absent. Further, the antihip fracture efficacy shown in clinical trials is absent in real-life studies. Many drugs for the treatment of osteoporosis have also been associated with increased risks of serious adverse events. There are also considerable uncertainties related to the efficacy of drug therapy in preventing clinical vertebral fractures, whereas the efficacy for preventing other fractures (relative risk reductions of 20-25%) remains moderate, particularly in terms of the low absolute risk reduction in fractures with this treatment.
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Affiliation(s)
- T L N Järvinen
- Department of Orthopaedics and Traumatology, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - K Michaëlsson
- Section of Orthopaedics, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - P Aspenberg
- Clinical Sciences, Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden
| | - H Sievänen
- The UKK Institute for Health Promotion Research, Tampere, Finland
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