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Trivedi Z, Wychowaniec JK, Gehweiler D, Sprecher CM, Boger A, Gueorguiev B, D’Este M, Ricken T, Röhrle O. Rheological Analysis and Evaluation of Measurement Techniques for Curing Poly(Methyl Methacrylate) Bone Cement in Vertebroplasty. ACS Biomater Sci Eng 2024; 10:4575-4586. [PMID: 38839046 PMCID: PMC11235098 DOI: 10.1021/acsbiomaterials.4c00417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Revised: 04/08/2024] [Accepted: 04/09/2024] [Indexed: 06/07/2024]
Abstract
Vertebroplasty is a minimally invasive surgical procedure used to treat vertebral fractures, which conventionally involves injecting poly(methyl methacrylate) (PMMA) bone cement into the fractured vertebra. A common risk associated with vertebroplasty is cement leaking out of the vertebra during the injection, which may occur due to a lack of understanding of the complex flow behavior. Therefore, experiments to quantify the cement's flow properties are necessary for understanding and proper handling of the bone cement. In this study, we aimed to characterize the behavior of PMMA bone cement in its curing stages to obtain parameters that govern the flow behavior during injection. We used rotational and oscillatory rheometry for our measurements, as well as a custom-made injector setup that replicated a typical vertebroplasty setting. Our results showed that the complex viscoelastic behavior of bone cement is significantly affected by deformations and temperature. We found that the results from rotational tests, often used for characterizing the bone cement, are susceptible to measurement artifacts caused by wall slip and "ridge"-like formations in the test sample. We also found the Cox-Merz rule to be conditionally valid, which affects the use of oscillatory tests to obtain the shear-thinning characteristics of bone cement. Our findings identify important differences in the measured flow behavior of PMMA bone cement when assessed by different rheological methods, an understanding that is crucial for its risk-free usage in downstream medical applications.
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Affiliation(s)
- Zubin Trivedi
- Institute
for Modelling and Simulation of Biomechanical Systems, University of Stuttgart, Pfaffenwaldring 5a, 70569 Stuttgart, Germany
- Institute
of Structural Mechanics and Dynamics in Aerospace Engineering, University of Stuttgart, Pfaffenwaldring 27, 70569 Stuttgart, Germany
| | | | - Dominic Gehweiler
- AO
Research Institute Davos, Clavadelerstrasse 8, 7270 Davos, Switzerland
| | | | - Andreas Boger
- Ansbach
University of Applied Sciences, Residenzstraße 8, 91522 Ansbach, Germany
| | - Boyko Gueorguiev
- AO
Research Institute Davos, Clavadelerstrasse 8, 7270 Davos, Switzerland
| | - Matteo D’Este
- AO
Research Institute Davos, Clavadelerstrasse 8, 7270 Davos, Switzerland
| | - Tim Ricken
- Institute
of Structural Mechanics and Dynamics in Aerospace Engineering, University of Stuttgart, Pfaffenwaldring 27, 70569 Stuttgart, Germany
| | - Oliver Röhrle
- Institute
for Modelling and Simulation of Biomechanical Systems, University of Stuttgart, Pfaffenwaldring 5a, 70569 Stuttgart, Germany
- Stuttgart
Center for Simulation Science (SC SimTech), Pfaffenwaldring 5a, 70569 Stuttgart, Germany
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Akeda K, Nakase K, Yamada J, Takegami N, Fujiwara T, Sudo A. Progression of vertebral deformity of prevalent vertebral fractures in the elderly: a population-based study. BMC Musculoskelet Disord 2024; 25:110. [PMID: 38317112 PMCID: PMC10840146 DOI: 10.1186/s12891-024-07254-y] [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] [Received: 06/12/2023] [Accepted: 02/02/2024] [Indexed: 02/07/2024] Open
Abstract
BACKGROUND Little is known about the progression pattern of vertebral deformities in elderly patients with prevalent vertebral fractures. This population-based cohort study investigated the incidence, progression pattern, and risk factors of vertebral deformity in prevalent vertebral fractures over a finite period of four years in a population-based cohort study. METHODS A total of 224 inhabitants of a typical mountain village underwent medical examinations every second year from 1997 to 2009, and each participant was followed up for four years. The extent (mild, moderate, severe) and type (wedge, biconcave, crush) of prevalent vertebral fractures on spinal radiographs were evaluated using the Genant semi-quantitative method. Of these participants, 116 with prevalent vertebral fractures at baseline (32 men and 84 women; mean age: 70.0 years) were included in this study. The progression patterns of the 187 vertebral fractures with mild and moderate deformities (except severe deformity) were evaluated. Logistic regression analysis was used to identify the risk factors associated with deformity progression. RESULTS The progression of vertebral deformities was identified in 13.4% (25 vertebral fractures) of the total 187 prevalent (mild and moderate) vertebral fracture deformities over four years. Among the three deformity types, the prevalence of deformity progression was significantly lower in wedge-type vertebral fractures (P < 0.05). Age and number of prevalent vertebral fractures per participant were independent risk factors associated with the progression of prevalent vertebral deformities. CONCLUSION This study clarified the natural history of the progression pattern of vertebral deformities in radiographic prevalent vertebral fractures in elderly individuals. Multiple vertebral fractures in the elderly present a risk for the progression of vertebral deformities.
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Affiliation(s)
- Koji Akeda
- Department of Orthopaedic Surgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan.
| | - Kazuma Nakase
- Department of Orthopaedic Surgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
| | - Junichi Yamada
- Department of Orthopaedic Surgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
| | - Norihiko Takegami
- Department of Orthopaedic Surgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
| | - Tatsuhiko Fujiwara
- Department of Orthopaedic Surgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
| | - Akihiro Sudo
- Department of Orthopaedic Surgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
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Nguyen HT, Nguyen BT, Thai THN, Tran AV, Nguyen TT, Vo T, Mai LD, Tran TS, Nguyen TV, Ho-Pham LT. Prevalence, incidence of and risk factors for vertebral fracture in the community: the Vietnam Osteoporosis Study. Sci Rep 2024; 14:32. [PMID: 38168502 PMCID: PMC10761939 DOI: 10.1038/s41598-023-50145-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Accepted: 12/15/2023] [Indexed: 01/05/2024] Open
Abstract
The epidemiology of vertebral fractures (VF) in underrepresented populations is not well-documented. This cohort study was part of a longitudinal osteoporosis research project with the aim of determining the prevalence, incidence, and risk factors for VF. 401 individuals (155 men) aged 50 years and older without a clinical diagnosis of VF were took radiographs at baseline and 2 years later. VF were ascertained using the Genant's semi-quantitative method. Bone mineral density (BMD) of femoral neck and lumbar spine were measured by dual-energy X-ray absorptiometry (Hologic Inc). The association between VF and risk factors was analyzed by the multiple logistic regression. The 95% confidence interval for prevalence and incidence was estimated by exact Poisson test. At baseline, the prevalence of VF was 12.2% (n = 49, 95% CI 9.0-16.2%) and increased with advancing age with one-fifth of those aged 70 and older having a VF. During the follow-up period, we observed 6 new VF, making the incidence of 6.6/1000 person-years (n = 6, 95% CI 2.4-14.3). The risk of prevalent VF was associated with male gender (OR: 2.67; 95% CI 1.28-5.87) and T-score at the femoral neck (OR per one SD decrease: 1.1; 1.03-1.17). These data indicate that VF is common among adults, and that lower femoral neck BMD was a risk factor for VF.
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Affiliation(s)
- Hoa T Nguyen
- Department of Internal Medicine, University of Medicine and Pharmacy, Hue University, Hue, Vietnam
- Can Tho University of Medicine and Pharmacy, Faculty of Medicine, Can Tho, Vietnam
- Saigon Precision Medicine Research Center, Ho Chi Minh City, 70000, Vietnam
| | - Bao T Nguyen
- Can Tho University of Medicine and Pharmacy, Faculty of Medicine, Can Tho, Vietnam
| | - Thi H Nhung Thai
- Can Tho University of Medicine and Pharmacy, Faculty of Medicine, Can Tho, Vietnam
| | - An V Tran
- Can Tho University of Medicine and Pharmacy, Faculty of Medicine, Can Tho, Vietnam
| | - Tan T Nguyen
- Can Tho University of Medicine and Pharmacy, Faculty of Medicine, Can Tho, Vietnam
| | - Tam Vo
- Department of Internal Medicine, University of Medicine and Pharmacy, Hue University, Hue, Vietnam
| | - Linh D Mai
- Biomedicine Research Center Pham Ngoc Thach University of Medicine, Ho Chi Minh City, Vietnam
- Saigon Precision Medicine Research Center, Ho Chi Minh City, 70000, Vietnam
- Bone and Muscle Research Group Ton Duc Thang University, Ho Chi Minh City, Vietnam
| | - Thach S Tran
- Saigon Precision Medicine Research Center, Ho Chi Minh City, 70000, Vietnam
- School of Biomedical Engineering, University of Technology Sydney, Ultimo, Australia
| | - Tuan V Nguyen
- Tam Anh Research Institute, Tam Anh Hospital, Ho Chi Minh City, Vietnam
- School of Biomedical Engineering, University of Technology Sydney, Ultimo, Australia
| | - Lan T Ho-Pham
- Biomedicine Research Center Pham Ngoc Thach University of Medicine, Ho Chi Minh City, Vietnam.
- Saigon Precision Medicine Research Center, Ho Chi Minh City, 70000, Vietnam.
- Bone and Muscle Research Group Ton Duc Thang University, Ho Chi Minh City, Vietnam.
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Schousboe JT, Binkley N, Leslie WD. Liver enzyme inducing anticonvulsant drug use is associated with prevalent vertebral fracture. Osteoporos Int 2023; 34:1793-1798. [PMID: 37380883 DOI: 10.1007/s00198-023-06820-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 05/31/2023] [Indexed: 06/30/2023]
Abstract
Among those who use of liver-enzyme inducing anticonvulsant medication for more than 2 years, 27% have a prevalent vertebral fracture on vertebral fracture assessment (VFA) lateral spine imaging. VFA imaging at the time of bone densitometry may be appropriate for older individuals who are chronic users of these medications. PURPOSE It is unclear whether prevalent vertebral fractures are associated with use of anticonvulsant drugs, especially those that induce liver enzymes (LEI) that metabolize drugs and vitamin D. Our purpose was to estimate the prevalence of vertebral fracture on densitometric lateral spine images according to duration of prior anticonvulsant medication use. METHODS Our study population was 11,822 individuals (mean [sd] age 76.1 [6.8] years, 94% female) who had bone densitometry with VFA between 2010 and 2018. Cumulative prior exposure to LEI anticonvulsants (carbamazepine, phenobarbital, phenytoin, valproic acid, n = 538), non-LEI anticonvulsants (clonazepam, gabapentin, levetiracetam, others, n = 2786), and other non-clonazepam benzodiazepines (n = 5082) was determined using linked pharmacy records. Prevalent vertebral fractures were identified on VFA images using the modified ABQ method. Logistic regression models were used to estimate the association of anticonvulsant drug exposure with prevalent vertebral fractures. RESULTS Prevalence of one or more vertebral fractures was 16.1% for the entire analytic cohort, and 27.0%, 19.0%, and 18.5% for those with ≥ 2 years of prior LEI anticonvulsant use, non-LEI anticonvulsant use, and other benzodiazepine use, respectively. Adjusted for multiple covariates, use of prior LEI anticonvulsant medication for ≥ 2 years was associated with prevalent fracture on VFA (OR 1.48 [95% CI 1.04, 2.10]). CONCLUSION LEI anticonvulsant use for ≥ 2 years is associated with higher vertebral fracture prevalence. Lateral spine VFA imaging at the time of bone densitometry may be appropriate for older individuals who have used LEI anticonvulsant medications for ≥ 2 years.
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Affiliation(s)
- John T Schousboe
- Park Nicollet Clinic and HealthPartners Institute, Minneapolis, MN, USA.
- Division of Health Policy and Management, University of Minnesota, Minneapolis, MN, USA.
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5
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Shen L, Gao C, Hu S, Kang D, Zhang Z, Xia D, Xu Y, Xiang S, Zhu Q, Xu G, Tang F, Yue H, Yu W, Zhang Z. Using Artificial Intelligence to Diagnose Osteoporotic Vertebral Fractures on Plain Radiographs. J Bone Miner Res 2023; 38:1278-1287. [PMID: 37449775 DOI: 10.1002/jbmr.4879] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 06/18/2023] [Accepted: 07/06/2023] [Indexed: 07/18/2023]
Abstract
Osteoporotic vertebral fracture (OVF) is a risk factor for morbidity and mortality in elderly population, and accurate diagnosis is important for improving treatment outcomes. OVF diagnosis suffers from high misdiagnosis and underdiagnosis rates, as well as high workload. Deep learning methods applied to plain radiographs, a simple, fast, and inexpensive examination, might solve this problem. We developed and validated a deep-learning-based vertebral fracture diagnostic system using area loss ratio, which assisted a multitasking network to perform skeletal position detection and segmentation and identify and grade vertebral fractures. As the training set and internal validation set, we used 11,397 plain radiographs from six community centers in Shanghai. For the external validation set, 1276 participants were recruited from the outpatient clinic of the Shanghai Sixth People's Hospital (1276 plain radiographs). Radiologists performed all X-ray images and used the Genant semiquantitative tool for fracture diagnosis and grading as the ground truth data. Accuracy, sensitivity, specificity, positive predictive value, and negative predictive value were used to evaluate diagnostic performance. The AI_OVF_SH system demonstrated high accuracy and computational speed in skeletal position detection and segmentation. In the internal validation set, the accuracy, sensitivity, and specificity with the AI_OVF_SH model were 97.41%, 84.08%, and 97.25%, respectively, for all fractures. The sensitivity and specificity for moderate fractures were 88.55% and 99.74%, respectively, and for severe fractures, they were 92.30% and 99.92%. In the external validation set, the accuracy, sensitivity, and specificity for all fractures were 96.85%, 83.35%, and 94.70%, respectively. For moderate fractures, the sensitivity and specificity were 85.61% and 99.85%, respectively, and 93.46% and 99.92% for severe fractures. Therefore, the AI_OVF_SH system is an efficient tool to assist radiologists and clinicians to improve the diagnosing of vertebral fractures. © 2023 The Authors. Journal of Bone and Mineral Research published by Wiley Periodicals LLC on behalf of American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Li Shen
- Department of Osteoporosis and Bone Disease, Shanghai Clinical Research Center of Bone Disease, Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Clinical Research Center, Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chao Gao
- Department of Osteoporosis and Bone Disease, Shanghai Clinical Research Center of Bone Disease, Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shundong Hu
- Department of Radiology, Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Dan Kang
- Shanghai Jiyinghui Intelligent Technology Co, Shanghai, China
| | - Zhaogang Zhang
- Shanghai Jiyinghui Intelligent Technology Co, Shanghai, China
| | - Dongdong Xia
- Department of Orthopaedics, Ning Bo First Hospital, Zhejiang, China
| | - Yiren Xu
- Department of Radiology, Ning Bo First Hospital, Zhejiang, China
| | - Shoukui Xiang
- Department of Endocrinology and Metabolism, The First People's Hospital of Changzhou, Changzhou, China
| | - Qiong Zhu
- Kangjian Community Health Service Center, Shanghai, China
| | - GeWen Xu
- Kangjian Community Health Service Center, Shanghai, China
| | - Feng Tang
- Jinhui Community Health Service Center, Shanghai, China
| | - Hua Yue
- Department of Osteoporosis and Bone Disease, Shanghai Clinical Research Center of Bone Disease, Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wei Yu
- Department of Radiology, Peking Union Medical College Hospital, Beijing, China
| | - Zhenlin Zhang
- Department of Osteoporosis and Bone Disease, Shanghai Clinical Research Center of Bone Disease, Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Clinical Research Center, Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
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6
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Tibert N, Ponzano M, Brien S, Funnell L, Gibbs JC, Jain R, Keller H, Laprade J, Morin SN, Papaioannou A, Weston Z, Wideman TH, Giangregorio L. Non-pharmacological management of osteoporotic vertebral fractures: Patient perspectives and experiences. Clin Rehabil 2023; 37:713-724. [PMID: 36510450 DOI: 10.1177/02692155221144370] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
OBJECTIVE To understand perceptions on rehabilitation after vertebral fracture, non-pharmacological strategies, and virtual care from the perspective of individuals living with vertebral fractures. DESIGN AND SETTING We conducted semi-structured interviews online and performed a thematic and content analysis from a post-positivism perspective. PARTICIPANTS Ten individuals living with osteoporotic vertebral fractures (9F, 1 M, aged 71 ± 8 years). RESULTS Five themes emerged: pain is the defining limitation of vertebral fracture recovery; delayed diagnosis impacts recovery trajectory; living with fear; being dissatisfied with fracture management; and "getting back into the game of life" using non-pharmacological strategies. CONCLUSION Participants reported back pain and an inability to perform activities of daily living, affecting psychological and social well-being. Physiotherapy, education, and exercise were considered helpful and important to patients; however, issues with fracture identification and referral limited the use of these options. Participants believed that virtual rehabilitation was a feasible and effective alternative to in-person care, but perceived experience with technology, cost, and individualization of programs as barriers.
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Affiliation(s)
- Nicholas Tibert
- Department of Kinesiology and Health Sciences, 8430University of Waterloo, Waterloo, ON, Canada
| | - Matteo Ponzano
- Department of Kinesiology and Health Sciences, 8430University of Waterloo, Waterloo, ON, Canada
| | | | | | | | - Ravi Jain
- Ontario Osteoporosis Strategy, Osteoporosis Canada, Toronto, ON, Canada
| | - Heather Keller
- Department of Kinesiology and Health Sciences, 8430University of Waterloo, Waterloo, ON, Canada
- Schlegel-UW Research Institute for Aging, and Department of Kinesiology and Health Sciences, Waterloo, ON, Canada
| | | | - Suzanne N Morin
- 5620McGill University, Montréal, QC, Canada
- Research Institute of McGill University Health Centre, Montréal, QC, Canada
| | | | - Zach Weston
- 8431Wilfrid Laurier University, Waterloo, ON, Canada
| | | | - Lora Giangregorio
- Department of Kinesiology and Health Sciences, 8430University of Waterloo, Waterloo, ON, Canada
- Schlegel-UW Research Institute for Aging, and Department of Kinesiology and Health Sciences, Waterloo, ON, Canada
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7
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Ni X, Guan W, Jiang Y, Li X, Chi Y, Pang Q, Liu W, Jiajue R, Wang O, Li M, Xing X, Wu H, Huo L, Liu Y, Jin J, Zhou X, Lv W, Zhou L, Xia Y, Gong Y, Yu W, Xia W. High prevalence of vertebral deformity in tumor-induced osteomalacia associated with impaired bone microstructure. J Endocrinol Invest 2023; 46:487-500. [PMID: 36097315 DOI: 10.1007/s40618-022-01918-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Accepted: 09/02/2022] [Indexed: 10/14/2022]
Abstract
PURPOSE Patients with tumor-induced osteomalacia (TIO) often suffer from irreversible height loss due to vertebral deformity. However, the prevalence of vertebral deformity in TIO patients varies among limited studies. In addition, the distribution and type of vertebral deformity, as well as its risk factors, remain unknown. This study aimed to identify the prevalence, distribution, type and risk factors for vertebral deformity in a large cohort of TIO patients. METHODS A total of 164 TIO patients were enrolled in this retrospective study. Deformity in vertebrae T4-L4 by lateral thoracolumbar spine radiographs was evaluated according to the semiquantitative method of Genant. Bone microstructure was evaluated by trabecular bone score (TBS) and high-resolution peripheral QCT (HR-pQCT). RESULTS Ninety-nine (99/164, 60.4%) patients had 517 deformed vertebrae with a bimodal pattern of distribution (T7-9 and T11-L1), and biconcave deformity was the most common type (267/517, 51.6%). Compared with patients without vertebral deformity, those with vertebral deformity had a higher male/female ratio, longer disease duration, more height loss, lower serum phosphate, higher bone turnover markers, lower TBS, lower areal bone mineral density (aBMD), lower peripheral volumetric BMD (vBMD) and worse microstructure. Lower trabecular vBMD and worse trabecular microstructure in the peripheral bone and lower spine TBS were associated with an increased risk of vertebral deformity independently of aBMD. After adjusting for the number of deformed vertebrae, we found little difference in clinical indexes among the patients with different types of vertebral deformity. However, we found significant correlations of clinical indexes with the number of deformed vertebrae and the spinal deformity index. CONCLUSION We reported a high prevalence of vertebral deformity in the largest cohort of TIO patients and described the vertebral deformity in detail for the first time. Risk factors for vertebral deformity included male sex, long disease duration, height loss, abnormal biochemical indexes and bone impairment. Clinical manifestation, biochemical indexes and bone impairment were correlated with the number of deformed vertebrae and degree of deformity, but not the type of deformity.
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Affiliation(s)
- X Ni
- Department of Endocrinology, Key Laboratory of Endocrinology, National Commission of Health, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Shuaifuyuan No. 1, Wangfujing Street, Dongcheng District, Beijing, 100730, China
| | - W Guan
- Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Shuaifuyuan No. 1, Wangfujing Street, Dongcheng District, Beijing, 100730, China
- Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Y Jiang
- Department of Endocrinology, Key Laboratory of Endocrinology, National Commission of Health, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Shuaifuyuan No. 1, Wangfujing Street, Dongcheng District, Beijing, 100730, China
| | - X Li
- Department of Endocrinology, Key Laboratory of Endocrinology, National Commission of Health, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Shuaifuyuan No. 1, Wangfujing Street, Dongcheng District, Beijing, 100730, China
| | - Y Chi
- Department of Endocrinology, Key Laboratory of Endocrinology, National Commission of Health, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Shuaifuyuan No. 1, Wangfujing Street, Dongcheng District, Beijing, 100730, China
| | - Q Pang
- Department of Endocrinology, Key Laboratory of Endocrinology, National Commission of Health, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Shuaifuyuan No. 1, Wangfujing Street, Dongcheng District, Beijing, 100730, China
| | - W Liu
- Department of Endocrinology, Key Laboratory of Endocrinology, National Commission of Health, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Shuaifuyuan No. 1, Wangfujing Street, Dongcheng District, Beijing, 100730, China
| | - R Jiajue
- Department of Endocrinology, Key Laboratory of Endocrinology, National Commission of Health, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Shuaifuyuan No. 1, Wangfujing Street, Dongcheng District, Beijing, 100730, China
| | - O Wang
- Department of Endocrinology, Key Laboratory of Endocrinology, National Commission of Health, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Shuaifuyuan No. 1, Wangfujing Street, Dongcheng District, Beijing, 100730, China
| | - M Li
- Department of Endocrinology, Key Laboratory of Endocrinology, National Commission of Health, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Shuaifuyuan No. 1, Wangfujing Street, Dongcheng District, Beijing, 100730, China
| | - X Xing
- Department of Endocrinology, Key Laboratory of Endocrinology, National Commission of Health, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Shuaifuyuan No. 1, Wangfujing Street, Dongcheng District, Beijing, 100730, China
| | - H Wu
- Department of Pathology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - L Huo
- Department of Nuclear Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Y Liu
- Department of Orthopedic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - J Jin
- Department of Orthopedic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - X Zhou
- Department of Orthopedic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - W Lv
- Department of Ear, Nose, and Throat, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - L Zhou
- Department of Stomatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Y Xia
- Department of Ultrasound Diagnosis, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Y Gong
- Medical Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - W Yu
- Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Shuaifuyuan No. 1, Wangfujing Street, Dongcheng District, Beijing, 100730, China.
| | - W Xia
- Department of Endocrinology, Key Laboratory of Endocrinology, National Commission of Health, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Shuaifuyuan No. 1, Wangfujing Street, Dongcheng District, Beijing, 100730, China.
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8
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De Smet S, Banica T, Zmierczak HG, Goemaere S, Verroken C, Kaufman JM, Lapauw B. Prevalence of Vertebral Fractures and Non-fracture Deformities in Healthy Adult Men: The Importance of Morphologic Criteria. Calcif Tissue Int 2023; 112:24-33. [PMID: 36180602 DOI: 10.1007/s00223-022-01029-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Accepted: 09/17/2022] [Indexed: 01/12/2023]
Abstract
Vertebral fractures (VF) are common in older men but data on VF prevalence in young men is limited. The aim of this study was to describe the prevalence of VF and non-fracture vertebral deformities (VD) in healthy young to middle-aged men, and compare the characteristics of men with normal vertebrae, VF and VD. In this cross-sectional study, vertebral fracture assessment by dual-energy X-ray absorptiometry was performed in 650 men, aged 32 to 60 years (mean 46.2), from the population-based SIBLOS-SIBEX cohort. For VF and VD assessment, both the modified algorithm-based qualitative approach (morphologic criteria) to discriminate VF from VD and the semi-quantitative (morphometric) grading system of Genant (GSQ) were used. We found 48 (0.6%) fractured vertebrae, of which 15 were classified grade 1, 29 grade 2 and 4 grade 3 VF. There were 378 (4.7%) VD, of which 296 were scored grade 1, 82 grade 2 and none grade 3 VD. Twenty-six participants (4%) had VF, 15 had one and 11 had 2 or more VF. Two hundred and twenty-eight (35.1%) men had VD. Femoral neck, total hip and lumbar spine areal bone mineral density (aBMD) were lower in men with VF than in those with normal vertebrae or VD. Men with VD, in turn, had aBMD values similar to men with normal vertebrae. Our results suggest that -even in young healthy men-using the GSQ without taking qualitative aspects into account overestimates VF prevalence, confirming the importance of morphologic criteria to correctly diagnose and distinguish VF from VD.
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Affiliation(s)
- S De Smet
- Department of Endocrinology, Ghent University Hospital, Corneel Heymanslaan 10, 9K12E, 9000, Ghent, Belgium
| | - T Banica
- Department of Endocrinology, Ghent University Hospital, Corneel Heymanslaan 10, 9K12E, 9000, Ghent, Belgium
| | - H G Zmierczak
- Department of Endocrinology, Ghent University Hospital, Corneel Heymanslaan 10, 9K12E, 9000, Ghent, Belgium
- Unit for Osteoporosis and Metabolic Bone Diseases, Ghent University Hospital, Ghent, Belgium
| | - S Goemaere
- Department of Endocrinology, Ghent University Hospital, Corneel Heymanslaan 10, 9K12E, 9000, Ghent, Belgium
- Unit for Osteoporosis and Metabolic Bone Diseases, Ghent University Hospital, Ghent, Belgium
| | - C Verroken
- Department of Endocrinology, Ghent University Hospital, Corneel Heymanslaan 10, 9K12E, 9000, Ghent, Belgium
- Unit for Osteoporosis and Metabolic Bone Diseases, Ghent University Hospital, Ghent, Belgium
| | - J M Kaufman
- Department of Endocrinology, Ghent University Hospital, Corneel Heymanslaan 10, 9K12E, 9000, Ghent, Belgium
- Unit for Osteoporosis and Metabolic Bone Diseases, Ghent University Hospital, Ghent, Belgium
| | - B Lapauw
- Department of Endocrinology, Ghent University Hospital, Corneel Heymanslaan 10, 9K12E, 9000, Ghent, Belgium.
- Unit for Osteoporosis and Metabolic Bone Diseases, Ghent University Hospital, Ghent, Belgium.
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9
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Aaltonen HL, O'Reilly MK, Linnau KF, Dong Q, Johnston SK, Jarvik JG, Cross NM. m2ABQ-a proposed refinement of the modified algorithm-based qualitative classification of osteoporotic vertebral fractures. Osteoporos Int 2023; 34:137-145. [PMID: 36336755 PMCID: PMC10246552 DOI: 10.1007/s00198-022-06546-0] [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] [Received: 02/19/2022] [Accepted: 08/29/2022] [Indexed: 11/09/2022]
Abstract
Currently, there is no reproducible, widely accepted gold standard to classify osteoporotic vertebral body fractures (OVFs). The purpose of this study is to refine a method with clear rules to classify OVFs for machine learning purposes. The method was found to have moderate interobserver agreement that improved with training. INTRODUCTION The current methods to classify osteoporotic vertebral body fractures are considered ambiguous; there is no reproducible, accepted gold standard. The purpose of this study is to refine classification methodology by introducing clear, unambiguous rules and a refined flowchart to allow consistent classification of osteoporotic vertebral body fractures. METHODS We developed a set of rules and refinements that we called m2ABQ to classify vertebrae into five categories. A fracture-enriched database of thoracic and lumbar spine radiographs of patients 65 years of age and older was retrospectively obtained from clinical institutional radiology records using natural language processing. Five raters independently classified each vertebral body using the m2ABQ system. After each annotation round, consensus sessions that included all raters were held to discuss and finalize a consensus annotation for each vertebral body where individual raters' evaluations differed. This process led to further refinement and development of the rules. RESULTS Each annotation round showed increase in Fleiss kappa both for presence vs absence of fracture 0.62 (0.56-0.68) to 0.70 (0.65-0.75), as well as for the whole m2ABQ scale 0.29 (0.25-0.33) to 0.54 (0.51-0.58). CONCLUSION The m2ABQ system demonstrates moderate interobserver agreement and practical feasibility for classifying osteoporotic vertebral body fractures. Future studies to compare the method to existing studies are warranted, as well as further development of its use in machine learning purposes.
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Affiliation(s)
- H L Aaltonen
- Department of Radiology, University of Washington, Seattle, WA, USA.
- Department of Medical Imaging and Physiology, Lund University, Malmo, Sweden.
| | - M K O'Reilly
- Department of Radiology, University of Washington, Seattle, WA, USA
- Department of Radiology, University of Limerick Hospital Group, Limerick, Ireland
- Clinical Learning, Evidence, And Research [CLEAR] Center for Musculoskeletal Disorders, Seattle, USA
| | - K F Linnau
- Department of Radiology, University of Washington, Seattle, WA, USA
| | - Q Dong
- Clinical Learning, Evidence, And Research [CLEAR] Center for Musculoskeletal Disorders, Seattle, USA
- Department of Biomedical Informatics and Medical Education, University of Washington, Seattle, WA, USA
| | - S K Johnston
- Department of Radiology, University of Washington, Seattle, WA, USA
- Clinical Learning, Evidence, And Research [CLEAR] Center for Musculoskeletal Disorders, Seattle, USA
| | - J G Jarvik
- Department of Radiology, University of Washington, Seattle, WA, USA
- Clinical Learning, Evidence, And Research [CLEAR] Center for Musculoskeletal Disorders, Seattle, USA
- Department of Neurological Surgery, University of Washington, Seattle, WA, USA
| | - N M Cross
- Department of Radiology, University of Washington, Seattle, WA, USA
- Clinical Learning, Evidence, And Research [CLEAR] Center for Musculoskeletal Disorders, Seattle, USA
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10
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Holyoak DT, Andreshak TG, Hopkins TJ, Brook AL, Frohbergh ME, Ong KL. Height restoration and sustainability using bilateral vertebral augmentation systems for vertebral compression fractures: a cadaveric study. Spine J 2022; 22:2072-2081. [PMID: 35753638 DOI: 10.1016/j.spinee.2022.06.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 05/25/2022] [Accepted: 06/16/2022] [Indexed: 02/03/2023]
Abstract
BACKGROUND CONTEXT The treatment of vertebral compression fractures using percutaneous augmentation is an effective method to reduce pain and decrease mortality rates. Surgical methods include vertebroplasty, kyphoplasty, and vertebral augmentation with implants. A previous study suggested that a titanium implantable vertebral augmentation device (TIVAD) produced superior height restoration compared to balloon kyphoplasty (BKP) but was based on a less clinically relevant biomechanical model. Moreover, the introduction of high pressure balloons and directional instruments may further aid in restoring height. PURPOSE The objective was to evaluate three procedures (BKP, BKP w/ Kyphon Assist (KA; directional instruments), and TIVAD) used for percutaneous augmentation of vertebral fractures with respect to height restoration and sustainability post-operatively. STUDY DESIGN/SETTING This is an in vitro cadaver study performed in a laboratory setting. METHODS Five osteoporotic female human cadaver thoracolumbar spines (age: 63-77 years, T-score: -2.5 to -3.5, levels: T7-S1) were scanned using computed tomography and dissected into 30 two-functional spine units (2FSUs). Vertebral wedge compression fractures were created by reducing the anterior height of the vertebrae by 25% and holding the maximum displacement for 15 minutes. Post-fracture, surgery was performed on each 2FSU with a constant 100 N load. Surgeries included BKP, BKP w/ KA, or TIVAD (n=10 per treatment group). Post-surgery, cyclic loading was performed on each 2FSU for 10,000 cycles at 600 N (walking), followed by 5,000 cycles at 850 N (standing up/sitting down), and 5,000 cycles at 1250 N (lifting a 5-10kg weight from the floor). Fluoroscopic images were taken and analyzed at the initial, post-fracture, post-surgery, and post-loading timepoints. Anterior, central, and posterior heights, Beck Index, and angle between endplates were assessed. RESULTS No difference in height restoration was observed among treatment groups (p=.72). Compared to the initial height, post-surgery anterior height was 96.3±8.7% for BKP, 94.0±10.0% for BKP w/ KA, and 95.3±5.8% for TIVAD. No difference in height sustainability in response to 600 N (p=.76) and 850 N (p=.20) load levels was observed among treatment groups. However, after 1250 N loading, anterior height decreased to 93.8±6.8% of the post-surgery height for BKP, 95.9±6.4% for BKP w/ KA, and 86.0±6.6% for TIVAD (p=.02). Specifically, the mean anterior height reduction between post-surgery and post-1250 N loading timepoints was lower for BKP w/ KA compared to TIVAD (p=.02), but not when comparing BKP to TIVAD (p=.07). No difference in Beck Index or angle between endplates was observed at any timepoint among the treatment groups. CONCLUSIONS The present study, utilizing a clinically relevant biomechanical model, demonstrated equivalent height restoration post-surgery and at relatively lower-level cyclic loading using BKP, BKP w/ KA, and TIVAD, contrary to results from a previous study. Less anterior height reduction in response to high-level cyclic loading was observed in the BKP w/ KA group compared to TIVAD. CLINICAL SIGNIFICANCE All three treatments can restore height similarly after a vertebral compression fracture, which may lead to pain reduction and decreased mortality. BKP w/ KA may exhibit less height loss in higher-demand patients who engage in physical activities that involve increased weight resistance.
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Affiliation(s)
- Derek T Holyoak
- Biomedical Engineering & Sciences, Exponent, Inc, 3440 Market St., Suite 600, Philadelphia, PA 19104, USA.
| | - Thomas G Andreshak
- Orthopedic Surgery, Wood County Hospital, 960 W Wooster St, Bowling Green, OH 43402, USA
| | - Thomas J Hopkins
- Anesthesiology, Duke University Hospital, 2301 Erwin Rd, Durham, NC 27710, USA
| | - Allan L Brook
- Radiology, Montefiore Medical Center, 111 E 210th St, Bronx, NY 10467, USA
| | - Michael E Frohbergh
- Biomedical Engineering & Sciences, Exponent, Inc, 3440 Market St., Suite 600, Philadelphia, PA 19104, USA
| | - Kevin L Ong
- Biomedical Engineering & Sciences, Exponent, Inc, 3440 Market St., Suite 600, Philadelphia, PA 19104, USA
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11
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El Miedany Y, Gadallah NA, Toth M. Optimizing osteoporosis management: targeting to treat — an initiative by the Egyptian Academy of Bone Health. EGYPTIAN RHEUMATOLOGY AND REHABILITATION 2022. [DOI: 10.1186/s43166-022-00161-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
AbstractThe overarching goal of treating osteoporotic patients is to reduce the incidence of fractures, yet interventions that support early detection of osteoporosis and prevention of osteoporotic fractures are underutilized. Osteoporosis and, specifically, the associated burden of fractures call for a screening strategy offering an opportunity to intervene early. Such strategy should be clinically feasible and cost-effective, aiming to identify and treat subjects at high or very high risk of fragility fracture.The low sensitivity of bone mineral density measurements in identifying high-risk patients is evidenced by the high number of osteoporotic fractures occurring in subjects with BMD values above threshold required for a diagnosis of osteoporosis. Consequently, DXA scanning is not considered appropriate as a public screening tool identifying patients at risk of sustaining fragility fractures and current efforts focus on identifying non-BMD-related risk factors.In Egypt, we are fortunate in having all modalities of osteoporosis therapy and assessment tools available, yet there remains a significant treatment gap in osteoporosis management. Furthermore, screening for fracture risk is not currently advocated nationally. This manuscript describes a national initiative for a population screening intervention to identify patients at risk of developing a fragility fracture aiming to reduce fragility fractures especially in older adults.
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12
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Curtis EM, Dennison EM, Cooper C, Harvey NC. Osteoporosis in 2022: Care gaps to screening and personalised medicine. Best Pract Res Clin Rheumatol 2022; 36:101754. [PMID: 35691824 PMCID: PMC7614114 DOI: 10.1016/j.berh.2022.101754] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Osteoporosis care has evolved markedly over the last 50 years, such that there are now an established clinical definition, validated methods of fracture risk assessment, and a range of effective pharmacological agents. However, it is apparent that both in the context of primary and secondary fracture prevention, there is a considerable gap between the population at high fracture risk and those actually receiving appropriate antiosteoporosis treatment. In this narrative review article, we document recent work describing the burden of disease, approaches to management, and service provision across Europe, emerging data on gaps in care, and existing/new ways in which these gaps may be addressed at the level of healthcare systems and policy. We conclude that although the field has come a long way in recent decades, there is still a long way to go, and a concerted, integrated effort is now required from all of us involved in this field to address these urgent issues to ensure the best possible outcomes for our patients.
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Affiliation(s)
- Elizabeth M Curtis
- MRC Lifecourse Epidemiology Centre, University of Southampton, Southampton General Hospital, Southampton, UK
| | - Elaine M Dennison
- MRC Lifecourse Epidemiology Centre, University of Southampton, Southampton General Hospital, Southampton, UK
| | - Cyrus Cooper
- MRC Lifecourse Epidemiology Centre, University of Southampton, Southampton General Hospital, Southampton, UK; NIHR Southampton Biomedical Research Centre, University of Southampton and University Hospitals Southampton NHS Foundation Trust, Southampton, UK; NIHR Oxford Biomedical Research Centre, University of Oxford, Oxford, UK
| | - Nicholas C Harvey
- MRC Lifecourse Epidemiology Centre, University of Southampton, Southampton General Hospital, Southampton, UK; NIHR Southampton Biomedical Research Centre, University of Southampton and University Hospitals Southampton NHS Foundation Trust, Southampton, UK.
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13
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Aparisi Gómez MP, Isaac A, Dalili D, Fotiadou A, Kariki EP, Kirschke JS, Krestan CR, Messina C, Oei EHG, Phan CM, Prakash M, Sabir N, Tagliafico A, Aparisi F, Baum T, Link TM, Guglielmi G, Bazzocchi A. Imaging of Metabolic Bone Diseases: The Spine View, Part II. Semin Musculoskelet Radiol 2022; 26:491-500. [PMID: 36103890 DOI: 10.1055/s-0042-1754341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
Metabolic bone diseases comprise a wide spectrum. Osteoporosis, the most frequent, characteristically involves the spine, with a high impact on health care systems and on the morbidity of patients due to the occurrence of vertebral fractures (VFs).Part II of this review completes an overview of state-of-the-art techniques on the imaging of metabolic bone diseases of the spine, focusing on specific populations and future perspectives. We address the relevance of diagnosis and current status on VF assessment and quantification. We also analyze the diagnostic techniques in the pediatric population and then review the assessment of body composition around the spine and its potential application. We conclude with a discussion of the future of osteoporosis screening, through opportunistic diagnosis and the application of artificial intelligence.
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Affiliation(s)
- Maria Pilar Aparisi Gómez
- Department of Radiology, Auckland City Hospital, Auckland, New Zealand.,Department of Radiology, IMSKE, Valencia, Spain
| | - Amanda Isaac
- School of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom
| | - Danoob Dalili
- Academic Surgical Unit, South West London Elective Orthopaedic Centre (SWLEOC), Epsom, London, United Kingdom.,Department of Diagnostic and Interventional Radiology, Epsom and St. Helier University Hospitals NHS Trust, London, United Kingdom
| | - Anastasia Fotiadou
- Consultant Radiologist, Royal National Orthopaedic Hospital, Stanmore, United Kingdom
| | - Eleni P Kariki
- Manchester University NHS Foundation Trust, Manchester, United Kingdom.,Division of Informatics, Imaging & Data Sciences, School of Health Sciences, The University of Manchester, Manchester, United Kingdom
| | - Jan S Kirschke
- Interventional und Diagnostic Neuroradiology, School of Medicine, Technical University Munich, Munich, Germany
| | | | | | - Edwin H G Oei
- Department of Radiology & Nuclear Medicine, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Catherine M Phan
- Service de Radiologie Ostéo-Articulaire, APHP, Nord-Université de Paris, Hôpital Lariboisière, Paris, France
| | - Mahesh Prakash
- Department of Radiodiagnosis & Imaging, PGIMER, Chandigarh, India
| | - Nuran Sabir
- Department of Radiology, Pamukkale University School of Medicine, Denizli, Turkey
| | - Alberto Tagliafico
- DISSAL, University of Genova, Genova, Italy.,Ospedale Policlinico San Martino, Genova, Italy
| | - Francisco Aparisi
- Department of Radiology, Hospital Vithas Nueve de Octubre, Valencia, Spain
| | - Thomas Baum
- Department of Diagnostic and Interventional Neuroradiology, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Thomas M Link
- Department of Radiology and Biomedical Imaging, University of California at San Francisco, San Francisco, California
| | | | - Alberto Bazzocchi
- Diagnostic and Interventional Radiology, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
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14
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Monchka BA, Schousboe JT, Davidson MJ, Kimelman D, Hans D, Raina P, Leslie WD. Development of a manufacturer-independent convolutional neural network for the automated identification of vertebral compression fractures in vertebral fracture assessment images using active learning. Bone 2022; 161:116427. [PMID: 35489707 DOI: 10.1016/j.bone.2022.116427] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 04/20/2022] [Accepted: 04/20/2022] [Indexed: 11/18/2022]
Abstract
BACKGROUND Convolutional neural networks (CNNs) can identify vertebral compression fractures in GE vertebral fracture assessment (VFA) images with high balanced accuracy, but performance against Hologic VFAs is unknown. To obtain good classification performance, supervised machine learning requires balanced and labeled training data. Active learning is an iterative data annotation process with the ability to reduce the cost of labeling medical image data and reduce class imbalance. PURPOSE To train CNNs to identify vertebral fractures in Hologic VFAs using an active learning approach, and evaluate the ability of CNNs to generalize to both Hologic and GE VFA images. METHODS VFAs were obtained from the OsteoLaus Study (labeled Hologic Discovery A, n = 2726), the Manitoba Bone Mineral Density Program (labeled GE Prodigy and iDXA, n = 12,742), and the Canadian Longitudinal Study on Aging (CLSA, unlabeled Hologic Discovery A, n = 17,190). Unlabeled CLSA VFAs were split into five equal-sized partitions (n = 3438) and reviewed sequentially using active learning. Based on predicted fracture probability, 17.6% (n = 3032) of the unlabeled VFAs were selected for expert review using the modified algorithm-based qualitative (mABQ) method. CNNs were simultaneously trained on Hologic, GE dual-energy and GE single-energy VFAs. Two ensemble CNNs were constructed using the maximum and mean predicted probability from six separately trained CNNs that differed due to stochastic variation. CNNs were evaluated against the OsteoLaus validation set (n = 408) during the active learning process; ensemble performance was measured against the OsteoLaus test set (n = 819). RESULTS The baseline CNN, prior to active learning, achieved 55.0% sensitivity, 97.9% specificity, 57.9% positive predictive value (PPV), F1-score 56.4%. Through active learning, 2942 CLSA Hologic VFAs (492 fractures) were added to the training data-increasing the proportion of Hologic VFAs with fractures from 4.2% to 12.5%. With active learning, CNN performance improved to 80.0% sensitivity, 99.7% specificity, 94.1% PPV, F1-score 86.5%. The CNN maximum ensemble achieved 91.9% sensitivity (100% for grade 3 and 95.5% for grade 2 fractures), 99.0% specificity, 81.0% PPV, F1-score 86.1%. CONCLUSION Simultaneously training on a composite dataset consisting of both Hologic and GE VFAs allowed for the development of a single manufacturer-independent CNN that generalized to both scanner types with good classification performance. Active learning can reduce class imbalance and produce an effective medical image classifier while only labeling a subset of available unlabeled image data-thereby reducing the time and cost required to train a machine learning model.
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Affiliation(s)
| | | | | | | | - Didier Hans
- Lausanne University Hospital, Lausanne, Switzerland
| | - Parminder Raina
- Department of Health Evidence & Impact, Faculty of Health Sciences, McMaster University, Hamilton, Ontario, Canada; McMaster Institute for Research on Aging, Hamilton, Ontario, Canada
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15
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Du EZ, Wáng YXJ. CT detects more osteoporotic endplate depressions than radiograph: a descriptive comparison of 76 vertebrae. Osteoporos Int 2022; 33:1569-1577. [PMID: 35368223 DOI: 10.1007/s00198-022-06391-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 03/28/2022] [Indexed: 10/18/2022]
Abstract
UNLABELLED This study analyzed elderly women who had chest radiograph and chest CT with indications other than spine disorders. Using CT images as reference, the study demonstrates that radiograph can miss a high portion of mild endplate depression. Detection of endplate depression is confounded by the limitation of projectional overlay for radiograph. INTRODUCTION The definition of radiographic OVF (osteoporotic vertebral fracture) remains controversial. Some authors suggest all OVFs should demonstrate endplate fracture/depression on radiograph. Using CT image as the reference, our study tests the hypothesis that a considerable portion of endplate depressions not seen on radiograph can be detected on CT. METHODS We retrospectively analyzed 46 female cases (age: 67-94 years) who had both chest radiography and chest CT with indications other than spine disorders. Sixty-six "vertebrae of interest" were identified on radiograph; then, CT images were read side-by-side with lateral chest radiograph. RESULTS Thirty-eight vertebrae (38/66) had anterior wedging deformity with height loss of < 20% while without radiographic endplate depression. Among them, 28 vertebrae had endplate depression and 8 vertebrae had no endplate depression on CT, while 2 vertebrae with "very" minimal deformity were read as normal on CT. In 9 vertebrae (9/66) with anterior wedging and height loss of ≥ 20%, all had additional endplate depression seen on CT. Five vertebrae (5/66) had ambiguous endplate depression on radiograph, 3 had endplate depression on CT while the other 2 vertebrae in one patient were false positive due to X-ray projection. There were 14 short height vertebrae (14/66) where middle and anterior heights were reduced to the same extent while did not show apparent anterior wedging or bi-concaving. Four cases each had one short height vertebra, and all had endplate depression on CT. Another 4 cases had 2, 2, 3, and 3 adjacent short height vertebrae, respectively, and all did not show endplate depression on CT. In addition, inspection of spine CT showed 10 vertebrae in 9 cases appeared normal on radiograph while demonstrated endplate depression on CT. CONCLUSION With CT images as reference, radiograph can miss a high portion of mild endplate depressions.
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Affiliation(s)
- E-Z Du
- Department of Radiology, Dongguan Traditional Chinese Medicine Hospital, Dongguan, Guangdong province, China
| | - Y X J Wáng
- Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, China.
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16
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Lentle BC, Prior JC. Osteoporotic vertebral fracture (OVF): diagnosis requires an informed observer. Osteoporos Int 2022; 33:1409-1410. [PMID: 35352143 DOI: 10.1007/s00198-021-06287-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 12/21/2021] [Indexed: 10/18/2022]
Affiliation(s)
- B C Lentle
- BC Centre of the Canadian Multicentre Osteoporosis Study (CaMos), Vancouver, Canada.
- Department of Radiology, The University of British Columbia, 205 Kimta Rd., 740, Victoria, British Columbia, V9A 6T5, Canada.
| | - J C Prior
- BC Centre of the Canadian Multicentre Osteoporosis Study (CaMos), Vancouver, Canada
- Centre for Menstrual Cycle and Ovulation Research, Endocrinology and Metabolism, Department of Medicine, The University of British Columbia, Room 4111-2775 Laurel Street, Vancouver, British Columbia, V5Z 1M9, Canada
- School of Population and Public Health, University of British Columbia, Vancouver, Canada
- BC Women's Health Research Institute, Vancouver, Canada
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17
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Bigdon SF, Saldarriaga Y, Oswald KAC, Müller M, Deml MC, Benneker LM, M Ecker T, Albers CE. Epidemiologic analysis of 8000 acute vertebral fractures: evolution of treatment and complications at 10-year follow-up. J Orthop Surg Res 2022; 17:270. [PMID: 35568925 PMCID: PMC9107747 DOI: 10.1186/s13018-022-03147-9] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 04/30/2022] [Indexed: 01/25/2023] Open
Abstract
Study design This is a retrospective cohort study. Objectives This study aims to determine the proportional incidence, clinical characteristics, treatment patterns with complications and changes in treatment of vertebral fractures over 10 years at a Swiss university hospital. Methods A retrospective cohort study was performed. All patients with an acute vertebral fracture were included in this study. The extracted anonymized data from the medical records were manually assessed. Demographic data, exact location, etiology, type of treatment and complications related to the treatment were obtained. Results Of 330,225 treated patients, 4772 presented with at least one vertebral fracture. In total 8307 vertebral fractures were identified, leading to a proportional incidence of 25 vertebral fractures in 1000 patients. Fractures were equally distributed between genders. Male patients were significantly younger and more likely to sustain a traumatic fracture, while female patients more commonly presented with osteoporotic fractures. The thoracolumbar junction (Th11-L2) was the most frequent fracture site in all etiologies. More than two-thirds of vertebral fractures were treated surgically (68.6%). Out of 4622 performed surgeries, we found 290 complications (6.3%). The odds for surgical treatment in osteoporotic fractures were two times higher before 2010 compared to 2010 and after (odds ratio: 2.1, 95% CI 1.5–2.9, p < 0.001). Conclusion Twenty-five out of 1000 patients presented with a vertebral fracture. More than 4000 patients with over 8307 vertebral body fractures were treated in 10 years. Over two-thirds of all fractures were treated surgically with 6.3% complications. There was a substantial decrease in surgeries for osteoporotic fractures after 2009.
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Affiliation(s)
- Sebastian F Bigdon
- Department of Orthopaedic Surgery and Traumatology, Inselspital, University Hospital, University of Bern, Bern, Switzerland.
| | - Yannis Saldarriaga
- Department of Orthopaedic Surgery and Traumatology, Inselspital, University Hospital, University of Bern, Bern, Switzerland
| | - Katharina A C Oswald
- Department of Orthopaedic Surgery and Traumatology, Inselspital, University Hospital, University of Bern, Bern, Switzerland
| | - Martin Müller
- Department of Emergency Medicine, Inselspital, University Hospital, University of Bern, Bern, Switzerland
| | - Moritz C Deml
- Department of Orthopaedic Surgery and Traumatology, Inselspital, University Hospital, University of Bern, Bern, Switzerland
| | - Lorin M Benneker
- Department of Orthopaedic Surgery and Traumatology, Inselspital, University Hospital, University of Bern, Bern, Switzerland
| | - Timo M Ecker
- Bone and Motion Center , Hirslanden Clinic Lausanne, Lausanne, Switzerland
| | - Christoph E Albers
- Department of Orthopaedic Surgery and Traumatology, Inselspital, University Hospital, University of Bern, Bern, Switzerland
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18
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Schousboe JT, Binkley N, Leslie WD. Accurate estimation of vertebral fracture prevalence on lateral spine imaging requires use of validated ascertainment methods. Osteoporos Int 2022; 33:1181-1182. [PMID: 35034155 DOI: 10.1007/s00198-021-06275-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 12/13/2021] [Indexed: 10/19/2022]
Affiliation(s)
- J T Schousboe
- Park Nicollet Clinic and HealthPartners Institute, Minneapolis, MN, USA.
- Division of Health Policy and Management, University of Minnesota, Minneapolis, MN, USA.
| | - N Binkley
- Department of Medicine and Public Health, University of Wisconsin, Madison, WI, USA
| | - W D Leslie
- University of Manitoba, Winnipeg, Canada
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Coll JC, Garceau É, Leslie WD, Genest M, Michou L, Weisnagel SJ, Mac-Way F, Albert C, Morin SN, Rabasa-Lhoret R, Gagnon C. Prevalence of Vertebral Fractures in Adults With Type 1 Diabetes: DenSiFy Study (Diabetes Spine Fractures). J Clin Endocrinol Metab 2022; 107:e1860-e1870. [PMID: 35090169 DOI: 10.1210/clinem/dgac031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Indexed: 11/19/2022]
Abstract
CONTEXT Vertebral fracture (VF) prevalence up to 24% has been reported among young people with type 1 diabetes (T1D). If this high prevalence is confirmed, individuals with T1D could benefit from preventative VF screening. OBJECTIVE We compared the prevalence of VFs between adults with T1D and nondiabetic controls. METHODS This cross-sectional study included 127 adults with T1D, and 65 controls with a similar age, sex, and BMI distribution, from outpatient clinics of 2 tertiary care centers. Vertebral fracture assessment (VFA) by dual-energy x-ray absorptiometry (DXA) was used for prevalent VFs. The modified algorithm-based qualitative (mABQ) method was applied. Bone mineral density (BMD) and trabecular bone score (TBS) were assessed by DXA. Serum bone turnover markers and sclerostin were measured in a subgroup of participants. RESULTS Participants with T1D (70 women, 57 men) had a mean age of 42.8 ± 14.8 years, median diabetes duration of 25.8 (15.8-34.4) years, mean BMI of 26.6 ± 5.4 kg/m2 and mean HbA1c over the past 3 years of 7.5 ± 0.9%. Controls (35 women, 30 men) had mean age of 42.2 ± 15.9 years and mean BMI of 26.1 ± 5.1 kg/m2. VF prevalence was comparable between groups (2.4% vs 3.1%, P = 0.99). TBS, BMD at the total hip and femoral neck, and bone formation and resorption markers were lower while sclerostin levels were similar in participants with T1D vs controls. CONCLUSION Our VFA results using the mABQ method do not confirm increased prevalence of VFs in men and women with relatively well-controlled T1D.
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Affiliation(s)
| | - Élodie Garceau
- Centre de recherche, CHU de Québec-Université Laval, Quebec City, QC, Canada
| | - William D Leslie
- Department of Medicine, University of Manitoba, Winnipeg, MB, Canada
| | - Mathieu Genest
- Centre de recherche, CHU de Québec-Université Laval, Quebec City, QC, Canada
| | - Laëtitia Michou
- Centre de recherche, CHU de Québec-Université Laval, Quebec City, QC, Canada
- Department of Medicine, Université Laval, Quebec City, QC, Canada
| | - S John Weisnagel
- Centre de recherche, CHU de Québec-Université Laval, Quebec City, QC, Canada
- Department of Medicine, Université Laval, Quebec City, QC, Canada
| | - Fabrice Mac-Way
- Centre de recherche, CHU de Québec-Université Laval, Quebec City, QC, Canada
- Department of Medicine, Université Laval, Quebec City, QC, Canada
| | - Caroline Albert
- Centre hospitalier de l'Université de Montréal, Montreal, QC, Canada
| | - Suzanne N Morin
- Research Institute of the McGill University Health Centre, Montreal, QC, Canada
| | | | - Claudia Gagnon
- Centre de recherche, CHU de Québec-Université Laval, Quebec City, QC, Canada
- Department of Medicine, Université Laval, Quebec City, QC, Canada
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20
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Horii C, Iidaka T, Muraki S, Oka H, Asai Y, Tsutsui S, Hashizume H, Yamada H, Yoshida M, Kawaguchi H, Nakamura K, Akune T, Oshima Y, Tanaka S, Yoshimura N. The cumulative incidence of and risk factors for morphometric severe vertebral fractures in Japanese men and women: the ROAD study third and fourth surveys. Osteoporos Int 2022; 33:889-899. [PMID: 34797391 DOI: 10.1007/s00198-021-06143-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 08/30/2021] [Indexed: 10/19/2022]
Abstract
UNLABELLED This population-based cohort study with a 3-year follow-up revealed that the annual incidence rates of vertebral fracture (VF) and severe VF (sVF) were 5.9%/year and 1.7%/year, respectively. The presence of mild VF at the baseline was a significant risk factor for incident sVF in participants without prevalent sVF. INTRODUCTION This study aimed to estimate the incidence of morphometric vertebral fracture (VF) and severe VF (sVF) in men and women and clarify whether the presence of a mild VF (mVF) increases the risk of incident sVF. METHODS Data from the population-based cohort study, entitled the Research on Osteoarthritis/Osteoporosis Against Disability (ROAD) study, were analyzed. In total, 1190 participants aged ≥ 40 years (mean age, 65.0 ± 11.2) years completed whole-spine lateral radiography both at the third (2012-2013, baseline) and fourth surveys performed 3 years later (2015-2016, follow-up). VF was defined using Genant's semi-quantitative (SQ) method: VF as SQ ≥ 1, mVF as SQ = 1, and sVF as SQ ≥ 2. Cumulative incidence of VF and sVF was estimated. Multivariate logistic regression analyses were performed to evaluate risk factors for incident sVF. RESULTS The baseline prevalence of mVF and sVF were 16.8% and 6.0%, respectively. The annual incidence rates of VF and sVF were 5.9%/year and 1.7%/year, respectively. The annual incidence rates of sVF in participants without prevalent VF, with prevalent mVF, and with prevalent sVF were 0.6%/year, 3.8%/year, and 11.7%/year (p < 0.001), respectively. Multivariate logistic regression analyses in participants without prevalent sVF showed that the adjusted odds ratios for incident sVF were 4.12 [95% confident interval 1.85-9.16] and 4.53 [1.49-13.77] if the number of prevalent mVF at the baseline was 1 and ≥ 2, respectively. CONCLUSIONS The annual incidence rates of VF and sVF were 5.9%/year and 1.7%/year, respectively. The presence of prevalent mVF was an independent risk factor for incident sVF.
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Affiliation(s)
- C Horii
- Department of Orthopaedic Surgery, Faculty of Medicine, The University of Tokyo Hospital, Hongo 7-3-1, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - T Iidaka
- Department of Preventive Medicine for Locomotive Organ Disorders, 22nd Century Medical & Research Center, The University of Tokyo Hospital, Hongo 7-3-1, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - S Muraki
- Department of Preventive Medicine for Locomotive Organ Disorders, 22nd Century Medical & Research Center, The University of Tokyo Hospital, Hongo 7-3-1, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - H Oka
- Department of Medical Research and Management for Musculoskeletal Pain, 22nd Century Medical & Research Center, The University of Tokyo Hospital, Hongo 7-3-1, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Y Asai
- Department of Orthopaedic Surgery, Wakayama Medical University, 811-1 Kimiidera, Wakayama City, Wakayama, 641-8510, Japan
| | - S Tsutsui
- Department of Orthopaedic Surgery, Wakayama Medical University, 811-1 Kimiidera, Wakayama City, Wakayama, 641-8510, Japan
| | - H Hashizume
- Department of Orthopaedic Surgery, Wakayama Medical University, 811-1 Kimiidera, Wakayama City, Wakayama, 641-8510, Japan
| | - H Yamada
- Department of Orthopaedic Surgery, Wakayama Medical University, 811-1 Kimiidera, Wakayama City, Wakayama, 641-8510, Japan
| | - M Yoshida
- Department of Orthopaedic Surgery, Wakayama Medical University, 811-1 Kimiidera, Wakayama City, Wakayama, 641-8510, Japan
| | - H Kawaguchi
- Department of Orthopaedic Surgery, Tokyo Neurological Center, 4-1-17, Toranomon, Minato-ku, Tokyo, 105-0001, Japan
| | - K Nakamura
- Department of Orthopaedics, Towa Hospital, Towa 4-7-10, Adachi-ku, Tokyo, 120-0003, Japan
| | - T Akune
- Department of Orthopaedics, National Rehabilitation Center for Persons With Disabilities, 4-1 Namiki, Tokorozawa City, Saitama, 359-0042, Japan
| | - Y Oshima
- Department of Orthopaedic Surgery, Faculty of Medicine, The University of Tokyo Hospital, Hongo 7-3-1, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - S 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 & Research Center, The University of Tokyo Hospital, Hongo 7-3-1, Bunkyo-ku, Tokyo, 113-8655, Japan.
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21
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Sih IM, Shimokawa N, Zileli M, Fornari M, Parthiban J. Osteoporotic vertebral fractures: radiologic diagnosis, clinical and radiologic factors affecting surgical decision making: WFNS Spine Committee Recommendations. J Neurosurg Sci 2022; 66:291-299. [PMID: 35301843 DOI: 10.23736/s0390-5616.22.05636-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
With the varied literature on osteoporotic vertebral fracture that may predispose to diagnostic and management dilemma, it is timely to evaluate and streamline the evidence. The aim of this review is to create recommendations on osteoporotic vertebral fractures regarding radiologic diagnosis, and clinical and radiological factors affecting surgical decision making. A computerized literature search was done using PubMed, Google scholar and Cochrane Database of Systematic Reviews from 2010 to 2020. For radiologic diagnosis, the keywords "osteoporotic vertebral fractures" and "radiologic diagnosis" were used yielding 394 articles (19 relevant articles). For clinical and radiological factors affecting surgical decision making, the keywords "osteoporotic vertebral fractures", "radiologic diagnosis", and "surgery" were used yielding 568 articles (25 relevant articles). All pertinent data were reviewed, and consensus statements were obtained in two virtual separate consensus meetings of the World Federation of Neurosurgical Societies (WFNS) Spine committee. The statements were voted and yielded positive or negative consensus using the Delphi method. This review summarizes the WFNS Spine Committee recommendations on the radiologic diagnosis, and clinical and radiological factors affecting surgical decision making of osteoporotic vertebral fractures.
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Affiliation(s)
- Ibet M Sih
- Section of Neurosurgery, Institute for the Neurosciences, St. Luke's Medical Center, Bonifacio, Philippines -
| | | | - Mehmet Zileli
- Department of Neurosurgery, Ege University, Izmir, Turkey
| | - Maurizio Fornari
- Neurosurgery Unit, Humanitas Research Hospital, Rozzano, Milan, Italy
| | - Jutty Parthiban
- Department of Neurosurgery and Spine Unit, Kovai Medical Center and Hospital, Coimbatore, India
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22
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Löffler MT, Kallweit M, Niederreiter E, Baum T, Makowski MR, Zimmer C, Kirschke JS. Epidemiology and reporting of osteoporotic vertebral fractures in patients with long-term hospital records based on routine clinical CT imaging. Osteoporos Int 2022; 33:685-694. [PMID: 34648040 PMCID: PMC8844161 DOI: 10.1007/s00198-021-06169-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 09/21/2021] [Indexed: 11/18/2022]
Abstract
UNLABELLED Osteoporotic vertebral fractures signify an increased risk of future fractures and mortality and can manifest the diagnosis of osteoporosis. We investigated the prevalence of vertebral fractures in routine CT of patients with long-term hospital records. Three out of ten patients showed osteoporotic vertebral fractures (VFs) corresponding to the highest rates reported in European population-based studies. INTRODUCTION VFs are a common manifestation of osteoporosis, which influences future fracture risk. Their epidemiology has been investigated in population-based studies. However, few studies report the prevalence of osteoporotic VF in patients seen in clinical routine and include all common fracture levels of the thoracolumbar spine. The purpose of this study was to investigate the prevalence of osteoporotic VF in patients with CT scans and long-term hospital records and identify clinical factors associated with prevalent VFs. METHODS All patients aged 45 years and older with a CT scan and prior hospital record of at least 5 years that were seen in the study period between September 2008 and May 2017 were reviewed. Imaging requirements were a CT scan with sagittal reformations including at least T6-L4. Patients with multiple myeloma were excluded. Fracture reading was performed using the Genant semi-quantitative method. Medical notes were reviewed for established diagnoses of osteoporosis and clinical information. Clinical factors (e.g. drug intake, chemotherapy, and mobility level) associated with prevalent VF were identified in logistic regression. RESULTS The study population consisted of 718 patients (228 women and 490 men; mean age 69.3 ± 10.1 years) with mainly cancer staging and angiography CT imaging. The overall prevalence of VFs was 30.5%, with non-significantly more men showing a fracture (32.5%) compared to women (26.3%; p > 0.05). Intake of metamizole for ≥ 3 months was significantly associated with a prevalent VF. Medical records did not include information about bone health in 90% of all patients. CT reports did mention a VF in only 24.7% of patients with a prevalent VF on CT review. CONCLUSION Approximately 30% of elderly patients with CT imaging and long-term hospital records showed VFs. Only one-quarter of these patients had VFs mentioned in CT reports. Osteoporosis management could be improved by consequent reporting of VFs in CT, opportunistic bone density measurements, and early involvement of fracture liaison services.
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Affiliation(s)
- M T Löffler
- Department of Diagnostic and Interventional Neuroradiology, School of Medicine, Klinikum Rechts Der Isar, Technical University of Munich, Munich, Germany.
- Department of Diagnostic and Interventional Radiology, University Medical Center Freiburg, Freiburg im Breisgau, Germany.
| | - M Kallweit
- Department of Diagnostic and Interventional Neuroradiology, School of Medicine, Klinikum Rechts Der Isar, Technical University of Munich, Munich, Germany
| | - E Niederreiter
- Department of Diagnostic and Interventional Neuroradiology, School of Medicine, Klinikum Rechts Der Isar, Technical University of Munich, Munich, Germany
| | - T Baum
- Department of Diagnostic and Interventional Neuroradiology, School of Medicine, Klinikum Rechts Der Isar, Technical University of Munich, Munich, Germany
| | - M R Makowski
- Department of Diagnostic and Interventional Radiology, School of Medicine, Klinikum Rechts Der Isar, Technical University of Munich, Munich, Germany
| | - C Zimmer
- Department of Diagnostic and Interventional Neuroradiology, School of Medicine, Klinikum Rechts Der Isar, Technical University of Munich, Munich, Germany
| | - J S Kirschke
- Department of Diagnostic and Interventional Neuroradiology, School of Medicine, Klinikum Rechts Der Isar, Technical University of Munich, Munich, Germany
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23
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Prior JC, Oei EHG, Brown JP, Oei L, Koromani F, Lentle BC. Where's the break? Critique of radiographic vertebral fracture diagnostic methods. Osteoporos Int 2021; 32:2391-2395. [PMID: 34674023 PMCID: PMC8608772 DOI: 10.1007/s00198-021-06207-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 10/08/2021] [Indexed: 11/04/2022]
Affiliation(s)
- J C Prior
- BC Centre of the Canadian Multicentre Osteoporosis Study (CaMos), Vancouver, Canada.
- Centre for Menstrual Cycle and Ovulation Research, Endocrinology, Department of Medicine, University of British Columbia, Vancouver, Canada.
- School of Population and Public Health, University of British Columbia, Vancouver, Canada.
- BC Women's Health Research Institute, Vancouver, Canada.
- Endocrinology and Metabolism, Department of Medicine, University of British Columbia, 2775 Laurel Street, Vancouver, BC, V5Z 1M9, Canada.
| | - E H G Oei
- Department of Radiology and Nuclear Medicine, Erasmus MC, Rotterdam, The Netherlands
| | - J P Brown
- Infectious and Immune Diseases Axis, CHU de Québec Research Centre, Quebec City, Canada
- Department of Medicine, Division of Rheumatology, Laval University, Quebec City, Canada
| | - L Oei
- Department of Internal Medicine, Erasmus MC, Rotterdam, The Netherlands
- Department of Epidemiology, Erasmus MC, Rotterdam, The Netherlands
- Department of Internal Medicine, Leiden University Medical Center, Leiden, The Netherlands
- Department of Internal Medicine, Van Weel-Bethesda Hospital, Dirksland, The Netherlands
- Department of Internal Medicine, Jan Van Goyen Medical Center, Amsterdam, The Netherlands
| | - F Koromani
- Department of Radiology and Nuclear Medicine, Erasmus MC, Rotterdam, The Netherlands
- Department of Internal Medicine, Erasmus MC, Rotterdam, The Netherlands
| | - Brian C Lentle
- BC Centre of the Canadian Multicentre Osteoporosis Study (CaMos), Vancouver, Canada.
- Department of Radiology, University of British Columbia, Vancouver, Canada.
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24
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Stathopoulos KD, Chronopoulos E, Galanos A, Kaskani E, Drakopoulou T, Ibro E, Tsekoura M, Kosmidis C. Prevalence of morphometric vertebral fractures in osteoporotic patients in Greece: the Vertebral Integrity Assessment (VERTINAS) study. Arch Osteoporos 2021; 16:165. [PMID: 34735660 DOI: 10.1007/s11657-021-01033-1] [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: 05/05/2021] [Accepted: 10/27/2021] [Indexed: 02/03/2023]
Abstract
UNLABELLED Our purpose was to assess the prevalence of morphometric vertebral fractures (VFs) in osteoporotic patients in our country. We found that 25.4% of patients had sustained a VF, and the majority of them (76.6%) were undiagnosed prior to inclusion in this study. INTRODUCTION We assessed the prevalence of morphometric vertebral fractures (VFs) in osteoporotic patients in our country. METHODS Patients were recruited via announcements by the national media, their attending physicians or the National patients' Society. Inclusion criteria were (1) age > 50 years, (2) postmenopausal status > 2 years (women), (3) > 1-year use of medication for osteoporosis and (4) lack of radiological vertebral assessment for > 1 year. Exclusion criteria were (1) bone metabolic diseases other than osteoporosis, (2) patients with secondary osteoporosis, (3) patients with inability to stand/walk, (4) previous high-energy VFs. All patients performed lateral X-rays of the thoracic and lumbar spine that were evaluated separately both by certified radiologists on site as well as 3 consultant orthopaedic surgeons remotely through a specifically designed web database system. The Genant semi-quantitative method was used for the classification and grading of VFs and statistical analysis of the results was performed. RESULTS One thousand six hundred fifty-two patients (1516 female, 70.02 ± 8.28 years; 136 male, 74.78 ± 8.25 years) were included in the final analysis. The prevalence of VFs was 25.4%, 76.6% of fractured patients were previously undiagnosed, and of these 39.9% had > 1 VFs. The most common fracture was T12, most fractures were found to be mild (grade 1) across all age groups, and patients 70-79 years and > 80 years were found to have a statistically significantly higher number of fractures than younger patients (p < 0.001). CONCLUSIONS Our results of the high prevalence of morphometric VFs emphasise the need for baseline assessment of vertebral fragility in patients receiving treatment for osteoporosis, as well as follow-up radiographs at specified time periods while on therapy.
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Affiliation(s)
- Konstantinos D Stathopoulos
- Hellenic Society for the Study of Bone Metabolism (HSSBM), Thrakis 2, 15124, Athens, Greece. .,School of Medicine, Post Graduate Course on Bone Metabolic Diseases, National and Kapodistrian University of Athens, Mikras Asias 75, 11527, Athens, Greece.
| | - Efstathios Chronopoulos
- Hellenic Society for the Study of Bone Metabolism (HSSBM), Thrakis 2, 15124, Athens, Greece.,School of Medicine, Second Department of Orthopaedics, National and Kapodistrian University of Athens, Agias Olgas 3-5, 14233, Athens, Greece
| | - Andonis Galanos
- Laboratory for Research of the Musculoskeletal System (LRPMS), Nikis 2, 14561, Athens, Greece
| | - Evangelia Kaskani
- Hellenic Society for the Study of Bone Metabolism (HSSBM), Thrakis 2, 15124, Athens, Greece
| | | | - Eriona Ibro
- "Butterfly" Bone Health Society, Athinas 10, 14561, Athens, Greece
| | - Memi Tsekoura
- "Butterfly" Bone Health Society, Athinas 10, 14561, Athens, Greece
| | - Christos Kosmidis
- Hellenic Society for the Study of Bone Metabolism (HSSBM), Thrakis 2, 15124, Athens, Greece
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25
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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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26
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Driessen JHM, van Dort MJ, Romme EAPM, Wouters EFM, Smeenk FWJM, van Rietbergen B, van den Bergh JPW, Geusens P. Associations between bone attenuation and prevalent vertebral fractures on chest CT scans differ with vertebral fracture locations. Osteoporos Int 2021; 32:1869-1877. [PMID: 33594489 PMCID: PMC8387252 DOI: 10.1007/s00198-020-05719-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2020] [Accepted: 10/27/2020] [Indexed: 01/31/2023]
Abstract
UNLABELLED Vertebral fracture (VF) locations are bimodally distributed in the spine. The association between VF and bone attenuation (BA) measured on chest CT scans varied according to the location of VFs, indicating that other factors than only BA play a role in the bimodal distribution of VFs. INTRODUCTION Vertebral fractures (VFs) are associated with low bone mineral density but are not equally distributed throughout the spine and occur most commonly at T7-T8 and T11-T12 ("cVFs") and less commonly at T4-T6 and T9-T10 ("lcVF"). We aimed to determine whether associations between bone attenuation (BA) and VFs vary between subjects with cVFs only, with lcVFs only and with both cVFs and lcVFs. METHODS Chest CT images of T4-T12 in 1237 smokers with and without COPD were analysed for prevalent VFs according to the method described by Genant (11,133 vertebrae). BA (expressed in Hounsfield units) was measured in all non-fractured vertebrae (available for 10,489 vertebrae). Linear regression was used to compare mean BA, and logistic regression was used to estimate the association of BA with prevalent VFs (adjusted for age and sex). RESULTS On vertebral level, the proportion of cVFs was significantly higher than of lcVF (5.6% vs 2.0%). Compared to subjects without VFs, BA was 15% lower in subjects with cVFs (p < 0.0001), 25% lower in subjects with lcVFs (p < 0.0001) and lowest in subjects with cVFs and lcVFs (- 32%, p < 0.0001). The highest ORs for presence of VFs per - 1SD BA per vertebra were found in subjects with both cVFs and lcVFs (3.8 to 4.6). CONCLUSIONS The association between VFs and BA differed according to VF location. ORs increased from subjects with cVFs to subjects with lcVFs and were highest in subjects with cVFs and lcVFs, indicating that other factors than only BA play a role in the bimodal VF distribution. TRIAL REGISTRATION Clinicaltrials.gov identifier: NCT00292552.
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Affiliation(s)
- J H M Driessen
- Department of Internal Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+ (MUMC+), Postbus 5800, 6202, AZ, Maastricht, The Netherlands
- Cardiovascular Research Institute Maastricht, Maastricht University Medical Centre+ (MUMC+), Postbus 5800, 6202, AZ, Maastricht, The Netherlands
- Department of Clinical Pharmacy and Toxicology, Maastricht University Medical Centre+ (MUMC+), Postbus 5800, 6202, AZ, Maastricht, The Netherlands
| | - M J van Dort
- Department of Internal Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+ (MUMC+), Postbus 5800, 6202, AZ, Maastricht, The Netherlands.
| | - E A P M Romme
- Department of Respiratory Medicine, Rijnstate Hospital, Postbus 9555, 6800, TA, Arnhem, The Netherlands
| | - E F M Wouters
- Department of Respiratory Diseases, Maastricht University Medical Centre+ (MUMC+), Postbus 5800, 6202, AZ, Maastricht, The Netherlands
| | - F W J M Smeenk
- Department of Respiratory Medicine, Catharina Hospital, Postbus 1350, 5602, ZA, Eindhoven, The Netherlands
- School of Health Professions Education, Faculty of Health Medicine and Life Sciences, Maastricht University Medical Centre+ (MUMC+), Postbus 5800, 6202, AZ, Maastricht, The Netherlands
| | - B van Rietbergen
- Faculty of Biomedical Engineering, Section Orthopaedic Biomechanics, Eindhoven University of Technology, Postbus 513, 5600, MB, Eindhoven, The Netherlands
| | - J P W van den Bergh
- Department of Internal Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+ (MUMC+), Postbus 5800, 6202, AZ, Maastricht, The Netherlands
- Department of Internal Medicine/Rheumatology, Maastricht University Medical Centre+ (MUMC+), Postbus 5800, 6202, AZ, Maastricht, The Netherlands
- Department of Internal Medicine, VieCuri Medical Centre, Venlo, The Netherlands
| | - P Geusens
- Department of Internal Medicine/Rheumatology, Maastricht University Medical Centre+ (MUMC+), Postbus 5800, 6202, AZ, Maastricht, The Netherlands
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27
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The Treatment Gap in Osteoporosis. J Clin Med 2021; 10:jcm10133002. [PMID: 34279485 PMCID: PMC8268346 DOI: 10.3390/jcm10133002] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 06/28/2021] [Accepted: 07/02/2021] [Indexed: 11/17/2022] Open
Abstract
Worldwide, there are millions of people who have been diagnosed with osteoporosis, a bone disease that increases the risk of fracture due to low bone mineral density and deterioration of bone architecture. In the US alone, there are approximately ten million men and women diagnosed with osteoporosis and this number is still growing. Diagnosis is made by measuring bone mineral density. Medications used for the treatment of osteoporosis are bisphosphonates, denosumab, raloxifene, and teriparatide. Recently, romosozumab has been added as well. In recent years, a number of advances have been made in the field of diagnostic methods and the diverse treatment options for osteoporosis. Despite these advances and a growing incidence of osteoporosis, there is a large group being left undertreated or even untreated. This group of the under/untreated has been called the treatment gap. Concerns regarding rare side effects of the medications, such as osteonecrosis of the jaw, have been reported to be one of the many causes for the treatment gap. Also, this group seems not to be sufficiently informed of the major benefits of the treatment and the diversity in treatment options. Knowledge of these could be very helpful in improving compliance and hopefully reducing the gap. In this paper, we summarize recent evidence regarding the efficacy of the various treatment options, potential side effects, and the overall benefit of treatment.
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Radiological features of traumatic vertebral endplate fracture: an analysis of 194 cases with 263 vertebral fractures. Chin Med J (Engl) 2021; 133:2696-2702. [PMID: 32649527 PMCID: PMC7647501 DOI: 10.1097/cm9.0000000000000919] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND The importance of identifying osteoporotic vertebral endplate or/and cortex fracture (ECF), which primarily includes endplate fracture (EPF) and vertebral anterior cortex buckling, has been recognized. However, some old traumatic ECFs with healing process in the elderly may be mistaken as osteoporotic. This study analyzes the radiological features of traumatic EPF. METHODS This was a retrospective analysis of 194 spine trauma patients with 263 vertebral fractures (mean age: 42.11 ± 9.82 years, 118 males and 76 females). All patients had traumatic EPF identified by X-ray/CT/MRI. RESULTS The involved vertebra was mostly L1 (29.7%), followed by T12 and L2. Except EPFs involved both superior and inferior endplates (12.6%), only 1.9% involved inferior endplate alone, with the majority involved superior endplate. If each endplate was divided into five segments of equal lengths (from anterior to posterior: a1, a2, m, p2, p1), the most depressed point of superior EPFs was mostly at segment-a2 (approximately 45%), followed by segment-a1 (approximately 20%) or segment-m (approximately 20%), and very rarely at segment-p1. The upper 1/3 of anterior vertebral wall was more likely to fracture, followed by middle 1/3 of anterior wall. For posterior vertebral wall fracture, 68.5% broke the bony wall surrounding the basivertebral vain. 58.6%, 30.0%, and 11.4% of vertebral fractures had <1/5, 1/5-1/3, and >1/3 vertebral body height loss. As the extent of vertebral height loss increased, the chance of having both superior and inferior EPFs also increased; however, the chance of having inferior EPF alone did not increase. CONCLUSION Traumatic EPF features are characterized, which may help the differentiation of traumatic and osteoporotic EPFs.
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Cipriani C, Minisola S, Bilezikian JP, Diacinti D, Colangelo L, Piazzolla V, Angelozzi M, Nieddu L, Pepe J, Diacinti D. Vertebral Fracture Assessment in Postmenopausal Women With Postsurgical Hypoparathyroidism. J Clin Endocrinol Metab 2021; 106:1303-1311. [PMID: 33567075 PMCID: PMC8063231 DOI: 10.1210/clinem/dgab076] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Indexed: 02/06/2023]
Abstract
CONTEXT Hypoparathyroidism is a rare endocrine disorder whose skeletal features include suppression of bone turnover and greater volume and width of the trabecular compartment. Few and inconsistent data are available on the prevalence of vertebral fractures (VF). OBJECTIVE To evaluate the prevalence of VF assessed by vertebral fracture assessment (VFA) in postmenopausal women with chronic postsurgical hypoparathyroidism. DESIGN Cross-sectional study. SETTING Ambulatory referral center. PATIENTS OR OTHER PARTICIPANTS Fifty postmenopausal women (mean age 65.4 ± 9 years) with chronic postsurgical hypoparathyroidism and 40 age-matched healthy postmenopausal women (mean age 64.2 ± 8.6). MAIN OUTCOME MEASURES Lumbar spine, femoral neck, and total hip bone mineral density were measured by dual X-ray absorptiometry (Hologic Inc., USA) in all subjects. Site-matched spine trabecular bone score was calculated by TBS iNsight (Medimaps, Switzerland). Assessment of VF was made by VFA (iDXA, Lunar GE, USA) using the semiquantitative method and the algorithm-based qualitative assessment. RESULTS All-site BMD values were higher in the hypoparathyroid vs the control group. By VFA, we observed a 16% prevalence of VF in hypoparathyroid women vs 7.5% in control subjects. Among those with hypoparathyroidism who fractured, 5 (62.5%) had grade 1 wedge, 2 (25%) had grade 2 wedge, and 1 (12.5%) had grade 2 wedge and grade 2 biconcave VF. In the hypoparathyroid group, 57% with VFs and 32% without VFs had symptoms of hypoparathyroidism. CONCLUSION We demonstrate for the first time that in postmenopausal women with chronic postsurgical hypoparathyroidism, VFs are demonstrable by VFA despite normal BMD.
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Affiliation(s)
- Cristiana Cipriani
- Department of Clinical, Internal, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, Viale del Policlinico, Rome, Italy
- Corresponding Author: Cristiana Cipriani, Department of Clinical, Internal, Anaesthesiologic and Cardiovascular Sciences, Sapienza University of Rome, Viale del Policlinico 155, 00161, Rome, Italy. E-mail:
| | - Salvatore Minisola
- Department of Clinical, Internal, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, Viale del Policlinico, Rome, Italy
| | - John P Bilezikian
- Division of Endocrinology, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
| | - Davide Diacinti
- Department of Oral and Maxillo-Facial Sciences, Sapienza University of Rome, Italy
- Department of Diagnostic and Molecular Imaging, Radiology and Radiotherapy, University Tor Vergata, Rome, Italy
| | - Luciano Colangelo
- Department of Clinical, Internal, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, Viale del Policlinico, Rome, Italy
- Department of Oral and Maxillo-Facial Sciences, Sapienza University of Rome, Italy
| | - Valentina Piazzolla
- Department of Clinical, Internal, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, Viale del Policlinico, Rome, Italy
| | - Maurizio Angelozzi
- Department of Clinical, Internal, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, Viale del Policlinico, Rome, Italy
| | - Luciano Nieddu
- Faculty of Economics, UNINT University, Via Cristoforo Colombo, Rome, Italy
| | - Jessica Pepe
- Department of Clinical, Internal, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, Viale del Policlinico, Rome, Italy
| | - Daniele Diacinti
- Department of Radiological Sciences, Oncology and Pathology, Sapienza University of Rome, Viale Regina Elena, Rome, Italy
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Lems WF, Paccou J, Zhang J, Fuggle NR, Chandran M, Harvey NC, Cooper C, Javaid K, Ferrari S, Akesson KE. Vertebral fracture: epidemiology, impact and use of DXA vertebral fracture assessment in fracture liaison services. Osteoporos Int 2021; 32:399-411. [PMID: 33475820 PMCID: PMC7929949 DOI: 10.1007/s00198-020-05804-3] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 12/16/2020] [Indexed: 02/07/2023]
Abstract
Vertebral fractures are independent risk factors for vertebral and nonvertebral fractures. Since vertebral fractures are often missed, the relatively new introduction of vertebral fracture assessment (VFA) for imaging of the lateral spine during DXA-measurement of the spine and hips may contribute to detect vertebral fractures. We advocate performing a VFA in all patients with a recent fracture visiting a fracture liaison service (FLS). Fracture liaison services (FLS) are important service models for delivering secondary fracture prevention for older adults presenting with a fragility fracture. While commonly age, clinical risk factors (including fracture site and number of prior fracture) and BMD play a crucial role in determining fracture risk and indications for treatment with antiosteoporosis medications, prevalent vertebral fractures usually remain undetected. However, vertebral fractures are important independent risk factors for future vertebral and nonvertebral fractures. A development of the DXA technology, vertebral fracture assessment (VFA), allows for assessment of the lateral spine during the regular DXA bone mineral density measurement of the lumbar spine and hips. Recent approaches to the stratification of antiosteoporosis medication type according to baseline fracture risk, and differences by age in the indication for treatment by prior fracture mean that additional information from VFA may influence initiation and type of treatment. Furthermore, knowledge of baseline vertebral fractures allows reliable definition of incident vertebral fracture events during treatment, which may modify the approach to therapy. In this manuscript, we will discuss the epidemiology and clinical significance of vertebral fractures, the different methods of detecting vertebral fractures, and the rationale for, and implications of, use of VFA routinely in FLS. • Vertebral fracture assessment is a tool available on modern DXA instruments and has proven ability to detect vertebral fractures, the majority of which occur without a fall and without the signs and symptoms of an acute fracture. • Most osteoporosis guidelines internationally suggest that treatment with antiosteoporosis medications should be considered for older individuals (e.g., 65 years +) with a recent low trauma fracture without the need for DXA. • Younger individuals postfracture may be risk-assessed on the basis of FRAX® probability including DXA and associated treatment thresholds. • Future fracture risk is markedly influenced by both site, number, severity, and recency of prior fracture; awareness of baseline vertebral fractures facilitates definition of true incident vertebral fracture events occurring during antiosteoporosis treatment. • Detection of previously clinically silent vertebral fractures, defining site of prior fracture, might alter treatment decisions in younger or older FLS patients, consistent with recent IOF-ESCEO guidance on baseline-risk-stratified therapy, and provides a reliable baseline from which to define new, potentially therapy-altering, vertebral fracture events.
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Affiliation(s)
- W F Lems
- Amsterdam UMC, VU University Medical Center, Amsterdam, The Netherlands.
| | - J Paccou
- Department of Rheumatology, Univ. Lille, CHU Lille, MABLab ULR 4490, 59000, Lille, France
| | - J Zhang
- MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton, UK
| | - N R Fuggle
- MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton, UK
| | - M Chandran
- Osteoporosis and Bone Metabolism Unit, Department of Endocrinology, Singapore General Hospital, Singapore, Singapore
| | - N C Harvey
- MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton, UK
| | - C Cooper
- MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton, UK
- Nuffield Department of Orthopaedics, Rheumatology and Orthopaedic Sciences, University of Oxford, Oxford, UK
| | - K Javaid
- Nuffield Department of Orthopaedics, Rheumatology and Orthopaedic Sciences, University of Oxford, Oxford, UK
| | - S Ferrari
- Clinical Service and Research Laboratory of Bone Diseases, Hôpitaux Universitaires de Genève, Geneva, Switzerland
| | - K E Akesson
- Department of Clinical Sciences and Department of Orthopaedics, Skane University Hospital, Lund University, Malmö, Sweden
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Koromani F, Ghatan S, van Hoek M, Zillikens MC, Oei EHG, Rivadeneira F, Oei L. Type 2 Diabetes Mellitus and Vertebral Fracture Risk. Curr Osteoporos Rep 2021; 19:50-57. [PMID: 33432548 PMCID: PMC7935814 DOI: 10.1007/s11914-020-00646-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/16/2020] [Indexed: 12/17/2022]
Abstract
PURPOSE OF REVIEW The purpose of this review is to summarize the recently published evidence concerning vertebral fracture risk in individuals with diabetes mellitus. RECENT FINDINGS Vertebral fracture risk is increased in individuals with T2DM. The presence of vertebral fractures in T2DM is associated with increased non-vertebral fracture risk and mortality. TBS could be helpful to estimate vertebral fracture risk in individuals with T2DM. An increased amount of bone marrow fat has been implicated in bone fragility in T2DM. Results from two recent studies show that both teriparatide and denosumab are effective in reducing vertebral fracture risk also in individuals with T2DM. Individuals with T2DM could benefit from systematic screening in the clinic for presence of vertebral fractures.
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Affiliation(s)
- Fjorda Koromani
- Department of Internal Medicine, Erasmus University Medical Center, PO Box 2040-Na27-24, 3000 CA, Rotterdam, The Netherlands
- Department of Radiology and Nuclear Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Samuel Ghatan
- Department of Internal Medicine, Erasmus University Medical Center, PO Box 2040-Na27-24, 3000 CA, Rotterdam, The Netherlands
- Department of Epidemiology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Mandy van Hoek
- Department of Internal Medicine, Erasmus University Medical Center, PO Box 2040-Na27-24, 3000 CA, Rotterdam, The Netherlands
| | - M Carola Zillikens
- Department of Internal Medicine, Erasmus University Medical Center, PO Box 2040-Na27-24, 3000 CA, Rotterdam, The Netherlands
| | - Edwin H G Oei
- Department of Radiology and Nuclear Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Fernando Rivadeneira
- Department of Internal Medicine, Erasmus University Medical Center, PO Box 2040-Na27-24, 3000 CA, Rotterdam, The Netherlands
- Department of Epidemiology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Ling Oei
- Department of Internal Medicine, Erasmus University Medical Center, PO Box 2040-Na27-24, 3000 CA, Rotterdam, The Netherlands.
- Department of Epidemiology, Erasmus University Medical Center, Rotterdam, The Netherlands.
- Department of Internal Medicine, Leiden University Medical Center, Leiden, The Netherlands.
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di Filippo L, Formenti AM, Doga M, Pedone E, Rovere-Querini P, Giustina A. Radiological Thoracic Vertebral Fractures are Highly Prevalent in COVID-19 and Predict Disease Outcomes. J Clin Endocrinol Metab 2021; 106:e602-e614. [PMID: 33159451 PMCID: PMC7797741 DOI: 10.1210/clinem/dgaa738] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 10/08/2020] [Indexed: 12/27/2022]
Abstract
CONTEXT AND OBJECTIVE COVID-19 has become the most relevant medical issue globally. Despite several studies that have investigated clinical characteristics of COVID-19 patients, no data have been reported on the prevalence of vertebral fractures (VFs). Since VFs may influence cardiorespiratory function and disease outcomes, the aim of this study was to assess VFs prevalence and clinical impact in COVID-19. DESIGN AND PATIENTS This was a retrospective cohort study performed at San Raffaele Hospital, a tertiary health care hospital in Italy. We included COVID-19 patients for whom lateral chest x-rays at emergency department were available. VFs were detected using a semiquantitative evaluation of vertebral shape on chest x-rays. RESULTS A total of 114 patients were included in this study and thoracic VFs were detected in 41 patients (36%). Patients with VFs were older and more frequently affected by hypertension and coronary artery disease (P < 0.001, P = 0.007, P = 0.034; respectively). Thirty-six (88%) patients in VFs+ group compared to 54 (74%) in VFs- group were hospitalized (P = 0.08). Patients with VFs more frequently required noninvasive mechanical ventilation compared with those without VFs (P = 0.02). Mortality was 22% in VFs+ group and 10% in VFs- group (P = 0.07). In particular, mortality was higher in patients with severe VFs compared with those with moderate and mild VFs (P = 0.04). CONCLUSIONS VFs may integrate the cardiorespiratory risk of COVID-19 patients, being a useful and easy to measure clinical marker of fragility and poor prognosis. We suggest that morphometric thoracic vertebral evaluation should be performed in all suspected COVID-19 patients undergoing chest x-rays.
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Affiliation(s)
- Luigi di Filippo
- Institute of Endocrine and Metabolic Sciences, Vita-Salute San Raffaele University and IRCCS San Raffaele Hospital, Milan, Italy
| | - Anna Maria Formenti
- Institute of Endocrine and Metabolic Sciences, Vita-Salute San Raffaele University and IRCCS San Raffaele Hospital, Milan, Italy
| | - Mauro Doga
- Institute of Endocrine and Metabolic Sciences, Vita-Salute San Raffaele University and IRCCS San Raffaele Hospital, Milan, Italy
| | - Erika Pedone
- Institute of Endocrine and Metabolic Sciences, Vita-Salute San Raffaele University and IRCCS San Raffaele Hospital, Milan, Italy
| | - Patrizia Rovere-Querini
- Vita-Salute San Raffaele University and Division of Transplantation, Immunology and Transplantation Diseases, San Raffaele Scientific Institute, Milan, Italy
| | - Andrea Giustina
- Institute of Endocrine and Metabolic Sciences, Vita-Salute San Raffaele University and IRCCS San Raffaele Hospital, Milan, Italy
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Waqas K, Chen J, Koromani F, Trajanoska K, van der Eerden BC, Uitterlinden AG, Rivadeneira F, Zillikens MC. Skin Autofluorescence, a Noninvasive Biomarker for Advanced Glycation End-Products, Is Associated With Prevalent Vertebral and Major Osteoporotic Fractures: The Rotterdam Study. J Bone Miner Res 2020; 35:1904-1913. [PMID: 32463533 PMCID: PMC7687120 DOI: 10.1002/jbmr.4096] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 04/16/2020] [Accepted: 05/10/2020] [Indexed: 02/06/2023]
Abstract
Advanced glycation end-products (AGEs), which bind to type 1 collagen in bone and skin, have been implicated in reduced bone quality. The AGE reader™ measures skin autofluorescence (SAF), which might be regarded as a marker of long-term accumulation of AGEs in tissues. We investigated the association of SAF with bone mineral density (BMD) and fractures in the general population. We studied 2853 individuals from the Rotterdam Study with available SAF measurements (median age, 74.1 years) and with data on prevalent major osteoporotic (MOFs: hip, humerus, wrist, clinical vertebral) and vertebral fractures (VFs: clinical + radiographic Genant's grade 2 and 3). Radiographs were assessed 4 to 5 years before SAF. Multivariate regression models were performed adjusted for age, sex, BMI, creatinine, smoking status, and presence of diabetes and additionally for BMD with interaction terms to test for effect modification. Prevalence of MOFs was 8.5% and of VFs 7%. SAF had a curvilinear association with prevalent MOFs and VFs and therefore, age-adjusted, sex stratified SAF quartiles were used. The odds ratio (OR) (95% confidence interval [CI]) of the second, third and fourth quartiles of SAF for MOFs were as follows: OR 1.60 (95% CI, 1.08-2.35; p = .02); OR 1.30 (95% CI, 0.89-1.97; p = .20), and OR 1.40 (95% CI, 0.95-2.10; p = .09), respectively, with first (lowest) quartile as reference. For VFs the ORs were as follows: OR 1.69 (95% CI, 1.08-2.64; p = .02), OR 1.74(95% CI, 1.11-2.71; p = .01), and OR 1.73 (95% CI, 1.12-2.73; p = .02) for second, third, and fourth quartiles, respectively. When comparing the top three quartiles combined with the first quartile, the OR (95% CI) for MOFs was 1.43 (95% CI, 1.04-2.00; p = .03) and for VFs was 1.72 (95% CI, 1.18-2.53; p = .005). Additional adjustment for BMD did not change the associations. In conclusion, there is evidence of presence of a threshold of skin AGEs below which there is distinctly lower prevalence of fractures. Longitudinal analyses are needed to confirm our cross-sectional findings. © 2020 The Authors. Journal of Bone and Mineral Research published by American Society for Bone and Mineral Research.
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Affiliation(s)
- Komal Waqas
- Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Jinluan Chen
- Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Fjorda Koromani
- Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands.,Department of Epidemiology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Katerina Trajanoska
- Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands.,Department of Epidemiology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Bram Cj van der Eerden
- Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - André G Uitterlinden
- Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands.,Department of Epidemiology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Fernando Rivadeneira
- Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands.,Department of Epidemiology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - M Carola Zillikens
- Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands
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Waqas K, Chen J, van der Eerden BCJ, Ikram MA, Uitterlinden AG, Voortman T, Zillikens MC. Dietary Advanced Glycation End-Products (dAGEs) Intake and Bone Health: A Cross-Sectional Analysis in the Rotterdam Study. Nutrients 2020; 12:nu12082377. [PMID: 32784487 PMCID: PMC7468958 DOI: 10.3390/nu12082377] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/01/2020] [Accepted: 08/06/2020] [Indexed: 02/07/2023] Open
Abstract
Animal studies suggest a role for dietary advanced glycation end-products (dAGEs) in bone health, but human studies on dAGEs in relation to bone are lacking. We aimed to study whether dAGEs intake is associated with the parameters of bone strength namely, bone mineral density (BMD), prevalent vertebral (VFs), and major osteoporotic fractures (MOFs = hip, wrist, proximal humerus, and clinical VFs). 3949 participants (mean age 66.7 ± 10.5 years) were included from a Rotterdam study for whom Carboxymethyllysine (CML—a dietary AGE) was estimated from food frequency questionnaires combined with dAGEs databases. Multivariable linear and logistic regression models were performed adjusting for age, sex, energy intake, dietary quality, physical activity, diabetes, smoking, renal function, and cohort effect and for models on fractures, subsequently for BMD. We observed no association of CML with BMD at both femoral neck (β = −0.006; p = 0.70) and lumbar spine (β = −0.013; p = 0.38). A higher intake of CML was linearly associated with VFs (Odds ratio, OR = 1.16, 95% CI (1.02–1.32) and a similar but non-significant trend with MOFs (OR = 1.12 (0.98–1.27). Additional adjustment for BMD did not change the associations. Our results imply a positive association between dietary intake of CML and VFs independent of BMD. Future studies are needed in order to elucidate whether associations found are causal.
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Affiliation(s)
- Komal Waqas
- Department of Internal Medicine, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
| | - Jinluan Chen
- Department of Internal Medicine, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
- Department of Epidemiology, Erasmus University Medical Center, 3015 GD Rotterdam, The Netherlands
| | - Bram C J van der Eerden
- Department of Internal Medicine, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
| | - M Arfan Ikram
- Department of Epidemiology, Erasmus University Medical Center, 3015 GD Rotterdam, The Netherlands
| | - André G Uitterlinden
- Department of Internal Medicine, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
- Department of Epidemiology, Erasmus University Medical Center, 3015 GD Rotterdam, The Netherlands
| | - Trudy Voortman
- Department of Epidemiology, Erasmus University Medical Center, 3015 GD Rotterdam, The Netherlands
| | - M Carola Zillikens
- Department of Internal Medicine, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
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Lentle BC, Berger C, Brown JP, Probyn L, Langsetmo L, Hammond I, Hu J, Leslie WD, Prior JC, Hanley DA, Adachi JD, Josse RG, Cheung AM, Kaiser SM, Towheed T, Kovacs CS, Wong AKO, Goltzman D. Vertebral Fractures: Which Radiological Criteria Are Better Associated With the Clinical Course of Osteoporosis? Can Assoc Radiol J 2020; 72:150-158. [PMID: 32755312 DOI: 10.1177/0846537120943529] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
STUDY PURPOSE Morphometric methods categorize potential osteoporotic vertebral fractures (OVF) on the basis of loss of vertebral height. A particular example is the widely used semiquantitative morphometric tool proposed by Genant (GSQ). A newer morphologic algorithm-based qualitative (mABQ) tool focuses on vertebral end-plate damage in recognizing OVF. We used data from both sexes in the Canadian Multicentre Osteoporosis Study (CaMos) to compare the 2 methods in identifying OVF at baseline and during 10 years of follow-up. MATERIALS AND METHODS We obtained lateral thoracic and lumbar spinal radiographs (T4-L4) 3 times, at 5-year intervals, in 828 participants of the population-based CaMos. Logistic regressions were used to study the association of 10-year changes in bone mineral density (BMD) with incident fractures. RESULTS At baseline, 161 participants had grade 1 and 32 had grade 2 GSQ OVF; over the next 10 years, only 9 of these participants had sustained incident GSQ OVF. Contrastingly, 21 participants at baseline had grade 1 and 48 grade 2 mABQ events; over the next 10 years, 79 subjects experienced incident grade 1 or grade 2 mABQ events. Thus, incident grades 1 and 2 morphologic fractures were 8 times more common than morphometric deformities alone. Each 10-year decrease of 0.01 g/cm2 in total hip BMD was associated with a 4.1% (95% CI: 0.7-7.3) higher odds of having an incident vertebral fracture. CONCLUSIONS This analysis further suggests that morphometric deformities and morphologic fractures constitute distinct entities; morphologic fractures conform more closely to the expected epidemiology of OVF.
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Affiliation(s)
- Brian C Lentle
- 8166The University of British Columbia, Victoria, British Columbia, Canada
| | - Claudie Berger
- 54473McGill University Health Centre, Montreal, Quebec, Canada
| | | | - Linda Probyn
- Sunnybrook Health Sciences Centre, 7938Toronto, Ontario, Canada
| | | | - Ian Hammond
- Ottawa Hospital-General Campus, Ottawa, Ontario, Canada
| | - Jeff Hu
- 8166The University of British Columbia, Victoria, British Columbia, Canada
| | | | - Jerilynn C Prior
- 8166The University of British Columbia, Victoria, British Columbia, Canada
| | - David A Hanley
- McCaig Institute for Bone and Joint Health, 2129University of Calgary, Calgary, Alberta, Canada
| | | | - Robert G Josse
- 12366University of Toronto Faculty of Medicine, St. Michael's Hospital, Toronto, Ontario, Canada
| | | | | | | | - Christopher S Kovacs
- Faculty of Medicine, 25452Memorial University of Newfoundland-Grenfell Campus, Corner Brook, Newfoundland, Canada
| | - Andy Kin On Wong
- Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | - David Goltzman
- 54473McGill University Health Centre, Montreal, Quebec, Canada
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36
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Affiliation(s)
- Brian C Lentle
- Department of Radiology, University of British Columbia, Vancouver, Canada
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Hiding in plain sight-unreported osteoporotic vertebral fractures. Eur Radiol 2020; 30:4711-4712. [PMID: 32462443 DOI: 10.1007/s00330-020-06944-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 05/07/2020] [Indexed: 10/24/2022]
Abstract
KEY POINTS • Reporting of vertebral fractures has important clinical consequences and can be improved by routinely performing sagittal reformating and by the use of a standard nomenclature and classification.
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Sanchez-Rodriguez D, Bergmann P, Body JJ, Cavalier E, Gielen E, Goemaere S, Lapauw B, Laurent MR, Rozenberg S, Honvo G, Beaudart C, Bruyère O. The Belgian Bone Club 2020 guidelines for the management of osteoporosis in postmenopausal women. Maturitas 2020; 139:69-89. [PMID: 32747044 DOI: 10.1016/j.maturitas.2020.05.006] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 05/06/2020] [Accepted: 05/11/2020] [Indexed: 02/07/2023]
Abstract
PURPOSE To provide updated evidence-based guidelines for the management of osteoporosis in postmenopausal women in Belgium. METHODS The Belgian Bone Club (BBC) gathered a guideline developer group. Nine "Population, Intervention, Comparator, Outcome" (PICO) questions covering screening, diagnosis, non-pharmacological and pharmacological treatments, and monitoring were formulated. A systematic search of MEDLINE, the Cochrane Database of Systematic Reviews, and Scopus was performed to find network meta-analyses, meta-analyses, systematic reviews, guidelines, and recommendations from scientific societies published in the last 10 years. Manual searches were also performed. Summaries of evidence were provided, and recommendations were further validated by the BBC board members and other national scientific societies' experts. RESULTS Of the 3840 references in the search, 333 full texts were assessed for eligibility, and 129 met the inclusion criteria. Osteoporosis screening using clinical risk factors should be considered. Patients with a recent (<2 years) major osteoporotic fracture were considered at very high and imminent risk of future fracture. The combination of bone mineral density measured by dual-energy X-ray absorptiometry and 10-year fracture risk was used to categorize patients as low or high risk. Patient education, the combination of weight-bearing and resistance training, and optimal calcium intake and vitamin D status were recommended. Antiresorptive and anabolic osteoporosis treatment should be considered for patients at high and very high fracture risk, respectively. Follow-up should focus on compliance, and patient-tailored monitoring should be considered. CONCLUSION BBC guidelines and 25 guideline recommendations bridge the gap between research and clinical practice for the screening, diagnosis, and management of osteoporosis.
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Affiliation(s)
- D Sanchez-Rodriguez
- WHO Collaborating Center for Public Health aspects of musculo-skeletal health and ageing, Division of Public Health, Epidemiology and Health Economics, University of Liège, Liège, Belgium; Geriatrics Department, Rehabilitation Research Group, Hospital del Mar Medical Research Institute (IMIM), Universitat Pompeu Fabra, Barcelona, Spain.
| | - P Bergmann
- Department of Radioisotopes, CHU Brugmann, Université Libre de Bruxelles, Brussels, Belgium
| | - J J Body
- Department of Medicine, CHU Brugmann, Université Libre de Bruxelles, Brussels, Belgium
| | - E Cavalier
- Department of Clinical Chemistry, UnilabLg, University of Liège, CHU de Liège, Liège, Belgium
| | - E Gielen
- Gerontology and Geriatrics Section, Department of Chronic Diseases, Metabolism and Ageing (CHROMETA), KU Leuven, University Hospitals, Leuven, Belgium
| | - S Goemaere
- Unit for Osteoporosis and Metabolic Bone Diseases, Ghent University Hospital, Ghent, Belgium
| | - B Lapauw
- Unit for Osteoporosis and Metabolic Bone Diseases, Ghent University Hospital, Ghent, Belgium
| | - M R Laurent
- Geriatrics Department, Imelda Hospital, Bonheiden, Belgium
| | - S Rozenberg
- Department of Gynaecology-Obstetrics, Université Libre de Bruxelles, Brussels, Belgium
| | - G Honvo
- WHO Collaborating Center for Public Health aspects of musculo-skeletal health and ageing, Division of Public Health, Epidemiology and Health Economics, University of Liège, Liège, Belgium
| | - C Beaudart
- WHO Collaborating Center for Public Health aspects of musculo-skeletal health and ageing, Division of Public Health, Epidemiology and Health Economics, University of Liège, Liège, Belgium
| | - O Bruyère
- WHO Collaborating Center for Public Health aspects of musculo-skeletal health and ageing, Division of Public Health, Epidemiology and Health Economics, University of Liège, Liège, Belgium
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Leslie WD, Lix LM, Binkley N. Targeted vertebral fracture assessment for optimizing fracture prevention in Canada. Arch Osteoporos 2020; 15:65. [PMID: 32363426 DOI: 10.1007/s11657-020-00735-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Accepted: 04/14/2020] [Indexed: 02/03/2023]
Abstract
UNLABELLED Vertebral fracture assessment (VFA) provides incremental information in identifying women and men aged 70 years and older qualifying for anti-osteoporosis treatment compared with FRAX® major osteoporotic fracture (MOF) probability computed with bone mineral density (BMD). PURPOSE This analysis was performed to inform appropriate use of VFA testing as part of Osteoporosis Canada's Guidelines Update, assuming vertebral fracture is an indication for pharmacotherapy in women and men. METHODS Women and men aged 70 years and older without previous high-risk fracture (i.e., hip, spine, or multiple fractures) were identified in a BMD registry for the province of Manitoba, Canada. MOF probability with BMD was computed using the Canadian FRAX® tool. VFA was performed in those with a minimum BMD T-score of -1.5 or lower. RESULTS The study population consisted of 7289 women (mean age 76.7 ± 5.6 years) and 1323 men (77.9 ± 5.8 years). More women than men qualified for VFA testing (48.7% vs 25.4%, respectively, p < 0.001). Among those undergoing VFA, a vertebral fracture was more commonly detected among men than women (22.9% vs 13.3%, p < 0.001), and vertebral fracture prevalence increased with lower BMD T-score (both p trend <0.001). The number needed to screen with VFA to detect a vertebral fracture was 8 for women and 4 for men. MOF probability was substantially lower in men than in women, and fewer men than women (3.3% vs 20.2%, p < 0.001) met a treatment threshold of MOF 20% or greater. In those with MOF probability <20%, VFA identified an incremental 5.4% of men and 3.4% of women for treatment based upon vertebral fracture. CONCLUSIONS The number needed to screen to identify a previously unappreciated vertebral fracture is low and further improves with lower BMD T-score. VFA identified more men as qualifying for treatment than MOF probability. In women, treatment qualification was predominantly from MOF probability.
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Affiliation(s)
- William D Leslie
- University of Manitoba, Winnipeg, MB, Canada. .,Department of Medicine, St. Boniface Hospital, Room C5121, 409 Tache Avenue, Winnipeg, MB, R2H 2A6, Canada.
| | - Lisa M Lix
- University of Manitoba, Winnipeg, MB, Canada
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Jansz TT, Goto NA, van Ballegooijen AJ, Willems HC, Verhaar MC, van Jaarsveld BC. The prevalence and incidence of vertebral fractures in end-stage renal disease and the role of parathyroid hormone. Osteoporos Int 2020; 31:515-524. [PMID: 31728605 PMCID: PMC7076061 DOI: 10.1007/s00198-019-05187-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Accepted: 10/09/2019] [Indexed: 11/17/2022]
Abstract
UNLABELLED The risk of vertebral fracture is unclear in end-stage renal disease. We report a high vertebral fracture prevalence and incidence in transplantation-eligible patients on dialysis, suggesting that these patients may benefit from radiographic screening for vertebral fractures. Parathyroid hormone had a U-shaped association with vertebral fracture risk. INTRODUCTION Vertebral fractures are often overlooked, but even undiagnosed vertebral fractures negatively impact physical functioning, quality of life, and mortality. The risk of vertebral fractures in end-stage renal disease (ESRD) patients is unclear, and parathyroid hormone (PTH) might play a role in the development of vertebral fractures. We therefore determined vertebral fracture prevalence and incidence in ESRD patients and assessed associations of vertebral trabecular bone mineral density (BMD) and PTH with vertebral fracture. METHODS In 146 transplantation-eligible patients on dialysis, we determined vertebral fractures on lateral chest radiographs, which image the thoracic and upper lumbar spine. We determined incident vertebral fractures in 70 patients with follow-up radiographs (23 received a kidney transplant) after median 1.8 years. Vertebral trabecular BMD was measured with computed tomography, and PTH measured with 2-site immunoassays, categorized in tertiles with the middle tertile as reference. We used Poisson regression to assess associations of vertebral trabecular BMD and PTH with vertebral fracture. RESULTS Mean age of the study population was 52 ± 13 years, and 98 (67%) were male. Median dialysis duration was 26 (IQR 13-55) months. Vertebral fractures were present in 50/146 patients (34%) and incident vertebral fractures occurred in 20/70 patients (29%). Vertebral trabecular BMD was not associated with vertebral fracture prevalence (relative risk 0.97, 95% CI 0.89 to 1.04). For the lowest PTH tertile (< 11 pmol/L), the relative risk of vertebral fracture was greater although not significant (2.28, 95% CI 0.97 to 5.97) and was significantly greater for the highest PTH tertile (≥ 30 pmol/L; 2.82, 95% CI 1.22 to 7.27) after adjustment for potential confounders. CONCLUSIONS The prevalence and incidence of vertebral fractures is high even in relatively young and healthy ESRD patients. Vertebral trabecular BMD is not associated with vertebral fracture, and the association of PTH with vertebral fracture risk appears U-shaped. Nevertheless, our study did not measure vertebral BMD using DXA and assessed vertebral fractures using lateral chest radiographs and not spine radiographs.
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Affiliation(s)
- T T Jansz
- Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
- Dianet Dialysis Centers, Utrecht, the Netherlands
| | - N A Goto
- Dianet Dialysis Centers, Utrecht, the Netherlands
- Department of Geriatrics, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - A J van Ballegooijen
- Department of Nephrology and Cardiovascular Sciences (ACS), Amsterdam UMC, Vrije Universiteit Amsterdam, P.O. box 7507, 1007 MB, Amsterdam, the Netherlands
- Department of Epidemiology and Biostatistics, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - H C Willems
- Department of Geriatrics, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - M C Verhaar
- Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - B C van Jaarsveld
- Dianet Dialysis Centers, Utrecht, the Netherlands.
- Department of Nephrology and Cardiovascular Sciences (ACS), Amsterdam UMC, Vrije Universiteit Amsterdam, P.O. box 7507, 1007 MB, Amsterdam, the Netherlands.
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McKay M, Jackman TM, Hussein AI, Guermazi A, Liu J, Morgan EF. Association of vertebral endplate microstructure with bone strength in men and women. Bone 2020; 131:115147. [PMID: 31706053 PMCID: PMC6930346 DOI: 10.1016/j.bone.2019.115147] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 10/23/2019] [Accepted: 11/05/2019] [Indexed: 11/26/2022]
Abstract
Epidemiological and biomechanical evidence indicates that the risk of vertebral fracture differs between men and women, and that vertebral fracture frequently involves failure of the endplate region. The goal of this study was to compare the bone microstructure of the endplate region-defined as the (bony) vertebral endplate and underlying subchondral trabecular bone-between sexes and to determine whether any such sex differences are associated with vertebral strength. The bone density (volume fraction, apparent density and tissue mineral density) of the superior-most 2 mm of the vertebra, and the bone density and trabecular architecture of the next 5 mm were quantified using micro-computed tomography in human T8 (12 female, 16 male) and L1 (13 female, 12 male) vertebrae. Average density of the vertebra (integral bone mineral density (BMD)) was determined by quantitative computed tomography and compressive strength by mechanical testing. Few differences were found between male and female vertebrae in the density of the endplate region; none were found in trabecular architecture. However, whereas endplate volume fraction was positively correlated with integral BMD in male vertebrae (r = 0.654, p < .001), no correlation was found in the female vertebrae (r = 0.157, p = .455). Accounting for the density of the endplate region improved predictions of vertebral strength (p < .034) and eliminated sex-specificity in the strength prediction that was based on integral BMD alone. These results suggest that the density of the endplate region influences vertebral fracture and that non-invasive assessment of this region's density can contribute to predictions of vertebral strength in men and women.
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Affiliation(s)
- MeiLissa McKay
- Department of Mechanical Engineering, 110 Cummington Mall, Boston University, Boston, MA 02215, USA
| | - Timothy M Jackman
- Department of Mechanical Engineering, 110 Cummington Mall, Boston University, Boston, MA 02215, USA
| | - Amira I Hussein
- Department of Mechanical Engineering, 110 Cummington Mall, Boston University, Boston, MA 02215, USA
| | - Ali Guermazi
- Department of Radiology, Boston University School of Medicine, 820 Harrison Avenue, FGH Building, 3rd Floor, Boston, MA 02118, USA
| | - Jingjiang Liu
- Department of Mechanical Engineering, 110 Cummington Mall, Boston University, Boston, MA 02215, USA
| | - Elise F Morgan
- Department of Mechanical Engineering, 110 Cummington Mall, Boston University, Boston, MA 02215, USA.
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Curtis EM, Woolford S, Holmes C, Cooper C, Harvey NC. General and Specific Considerations as to why Osteoporosis-Related Care Is Often Suboptimal. Curr Osteoporos Rep 2020; 18:38-46. [PMID: 32103393 PMCID: PMC7067731 DOI: 10.1007/s11914-020-00566-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
PURPOSE OF REVIEW The assessment of fracture risk and use of antiosteoporosis medications have increased greatly over the last 20-30 years. However, despite this, osteoporosis care remains suboptimal worldwide. Even in patients who have sustained a fragility fracture, fewer than 20% actually receive appropriate antiosteoporosis therapy in the year following the fracture. There is also evidence that treatment rates have declined substantially in the last 5-10 years, in many countries. The goal of this article is to consider the causes for this decline and consider how this situation could be remedied. RECENT FINDINGS A number of possible reasons, including the lack of prioritisation of osteoporosis therapy in ageing populations with multimorbidity, disproportionate concerns regarding the rare side effects of anti-resorptives and adverse changes in reimbursement in the USA, have been identified as contributing factors in poor osteoporosis care. Improved secondary prevention strategies; screening measures (primary prevention) and appropriate, cost-effective guideline and treatment threshold development could support the optimisation of osteoporosis care and prevention of future fractures.
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Affiliation(s)
- Elizabeth M Curtis
- MRC Lifecourse Epidemiology Unit, Southampton General Hospital, University of Southampton, Southampton, UK.
| | - Stephen Woolford
- MRC Lifecourse Epidemiology Unit, Southampton General Hospital, University of Southampton, Southampton, UK
| | - Claire Holmes
- Rheumatology Department, University Hospitals Southampton NHS Foundation Trust, Southampton, UK
| | - Cyrus Cooper
- MRC Lifecourse Epidemiology Unit, Southampton General Hospital, University of Southampton, Southampton, UK
- NIHR Oxford Biomedical Research Unit, University of Oxford, Oxford, UK
- NIHR Southampton Biomedical Research Centre, University Hospitals Southampton NHS Foundation Trust, University of Southampton, Southampton, UK
| | - Nicholas C Harvey
- MRC Lifecourse Epidemiology Unit, Southampton General Hospital, University of Southampton, Southampton, UK
- NIHR Southampton Biomedical Research Centre, University Hospitals Southampton NHS Foundation Trust, University of Southampton, Southampton, UK
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Corrigendum to how to define an osteoporotic vertebral fracture. Quant Imaging Med Surg 2019; 9:1922-1931. [PMID: 31867245 DOI: 10.21037/qims.2019.11.05] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
[This corrects the article DOI: 10.21037/qims.2019.09.10.].
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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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Derkatch S, Kirby C, Kimelman D, Jozani MJ, Davidson JM, Leslie WD. Identification of Vertebral Fractures by Convolutional Neural Networks to Predict Nonvertebral and Hip Fractures: A Registry-based Cohort Study of Dual X-ray Absorptiometry. Radiology 2019; 293:405-411. [DOI: 10.1148/radiol.2019190201] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Sheldon Derkatch
- From the Department of Radiology, University of Manitoba, 820 Sherbrook St, GA216, Winnipeg, MB, Canada R3T 2N2 (S.D., C.K., D.K., M.J.J., J.M.D., W.D.L.); and St Boniface Hospital Albrechtsen Research Centre, Winnipeg, Canada (C.K., D.K.)
| | - Christopher Kirby
- From the Department of Radiology, University of Manitoba, 820 Sherbrook St, GA216, Winnipeg, MB, Canada R3T 2N2 (S.D., C.K., D.K., M.J.J., J.M.D., W.D.L.); and St Boniface Hospital Albrechtsen Research Centre, Winnipeg, Canada (C.K., D.K.)
| | - Douglas Kimelman
- From the Department of Radiology, University of Manitoba, 820 Sherbrook St, GA216, Winnipeg, MB, Canada R3T 2N2 (S.D., C.K., D.K., M.J.J., J.M.D., W.D.L.); and St Boniface Hospital Albrechtsen Research Centre, Winnipeg, Canada (C.K., D.K.)
| | - Mohammad Jafari Jozani
- From the Department of Radiology, University of Manitoba, 820 Sherbrook St, GA216, Winnipeg, MB, Canada R3T 2N2 (S.D., C.K., D.K., M.J.J., J.M.D., W.D.L.); and St Boniface Hospital Albrechtsen Research Centre, Winnipeg, Canada (C.K., D.K.)
| | - J. Michael Davidson
- From the Department of Radiology, University of Manitoba, 820 Sherbrook St, GA216, Winnipeg, MB, Canada R3T 2N2 (S.D., C.K., D.K., M.J.J., J.M.D., W.D.L.); and St Boniface Hospital Albrechtsen Research Centre, Winnipeg, Canada (C.K., D.K.)
| | - William D. Leslie
- From the Department of Radiology, University of Manitoba, 820 Sherbrook St, GA216, Winnipeg, MB, Canada R3T 2N2 (S.D., C.K., D.K., M.J.J., J.M.D., W.D.L.); and St Boniface Hospital Albrechtsen Research Centre, Winnipeg, Canada (C.K., D.K.)
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Kanterewicz E, Puigoriol E, Rodríguez Cros JR, Peris P. Prevalent vertebral fractures and minor vertebral deformities analyzed by vertebral fracture assessment (VFA) increases the risk of incident fractures in postmenopausal women: the FRODOS study. Osteoporos Int 2019; 30:2141-2149. [PMID: 31123788 DOI: 10.1007/s00198-019-04962-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 03/28/2019] [Indexed: 11/28/2022]
Abstract
UNLABELLED The incidence of vertebral fractures (VF) by vertebral fracture assessment (VFA) was 6.6% in postmenopausal women (FRODOS cohort) after 4 years of follow-up, increasing with prevalent VF and minor vertebral deformities, age, lower bone mass, glucocorticoid use, and rheumatoid arthritis. This study supports the usefulness of VFA to identify VF. PURPOSE Vertebral fracture assessment (VFA) is increasingly used to identify spine fractures, but few cohort studies have used this method in prevalence and incidence assessment. We previously reported the prevalence of vertebral fractures (VF) and minor vertebral deformities (MVD) by morphometric VFA in a population-based cohort of postmenopausal women (FRODOS study). Therefore, the aim of this study was to analyze the incidence of VF, the associated risk factors, and particularly the role of MVD in this cohort of subjects. METHODS We performed a longitudinal analysis of 2510 women aged 59-70 years participating in the FRODOS prevalence study (2006-2009) with evaluable VFA 4 years later. VFA at baseline and in the present study was assessed by quantitative vertebral morphometry and by visual semiquantitative measurement. The multivariate Poisson regression model was performed, and relative risks with confidence interval of 95% were calculated for the incidence of VF. Bone mineral density (BMD) and an osteoporosis questionnaire were collected. RESULTS Overall, the incidence of VF was 6.6%, increasing with prevalent VF (24.5%) and in women with prevalent MVD (17.7%). Age and low BMD were also associated risk factors as were the presence of rheumatoid arthritis and exposure to glucocorticoids and bisphosphonates. CONCLUSIONS The presence of prevalent VF assessed by VFA is associated with further incident spinal fractures in postmenopausal women. In addition, having MVD confers an increased risk of new VF.
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Affiliation(s)
- E Kanterewicz
- Department of Rheumatology, Hospital Universitari de Vic. TR2Lab Group, Universitat de Vic-UCC, C/ Francesc Pla el Vigatà, n° 1, 08500, Vic, Spain.
| | - E Puigoriol
- Department of Clinical Epidemiology. Hospital Universitari de Vic. TR2Lab Group, Universitat de Vic-UCC, Barcelona, Spain
| | - J R Rodríguez Cros
- Department of Rheumatology, Hospital Universitari de Vic. TR2Lab Group, Universitat de Vic-UCC, C/ Francesc Pla el Vigatà, n° 1, 08500, Vic, Spain
| | - P Peris
- Department of Rheumatology, Hospital Clinic i Provincial, Barcelona, Spain
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Abstract
A vertebral deformity (VD) is not always a vertebral fracture (VF). Because of lack of a completely satisfactory "gold standard", there is no consensus on the exact definition of a VF. Therefore, it may sometimes be difficult, especially in mild cases, to discriminate the prevalent VF from a non-fracture deformity or short vertebral height (SVH). A combined standardized approach based on qualitative and semiquantitative (SQ) vertebral assessment may be the most option to correctly identify a VD as a VF. However this visual approach for VF identification is subjective, therefore it is mandatory an adequate training and experience of radiologist to reach a good sensitivity and specificity. Vertebral morphometry, objective and reproducible method, could be used only to evaluate the severity of VFs but requires the availability of reference values of vertebral height ratios. There is actually an evidentiary basis for suggesting that a qualitative approach by expert radiologists to morphological vertebral assessment, combined SQ and morphometric methods seem to be the preferred option for the correct diagnosis of VF as endplate or/and cortex fracture (ECF) or severe vertebral height loss.
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Affiliation(s)
- Daniele Diacinti
- Department of Radiological Sciences, Oncology and Anatomo-Pathology, University Sapienza, Rome, Italy
| | - Giuseppe Guglielmi
- Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
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Digital Tomosynthesis and Fractal Analysis Predict Prevalent Vertebral Fractures in Patients With Multiple Myeloma: A Preliminary In Vivo Study. AJR Am J Roentgenol 2019; 213:W38-W44. [PMID: 30973772 DOI: 10.2214/ajr.18.20700] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
OBJECTIVE. The objective of this study was to investigate the association of fractal-derived bone microstructural parameters with vertebral fracture status using in vivo digital tomosynthesis images of the spine. MATERIALS AND METHODS. Digital tomosynthesis images of the thoracic and lumbar spine from T1 to L5 were acquired from 36 patients with newly diagnosed multiple myeloma or monoclonal gammopathy of uncertain significance (age range, 39-85 years old). Scans were performed with patients in the supine position with reconstructed planes formed in the coronal direction. Bone mineral density (BMD) was recorded for 10 patients who had recently undergone dual x-ray absorptiometry. Vertebral fracture and lytic lesion status was determined by a radiologist from digital radiographs. Radiologist interpretation was reviewed to identify levels with a minimum number of fractures or lesions. For fractal analysis, the largest possible cuboid volume of interest within the cancellous bone was cropped from T7 and T11 images. Mean and SD of fractal variables between slices of fractal dimension (FD, a measure of self-similarity in the texture), mean lacunarity (λ, a measure of heterogeneity) and the slope of lacunarity versus box size relationship (Sλ, a measure of sensitivity of heterogeneity to size scale) were calculated using a box-counting method. A generalized estimating equation (GEE) platform was used to examine fractal variables as predictors of fracture status. RESULTS. Fracture status was not significantly associated with sex, race, age, stage of myeloma, presence of lesion in the spine, or BMD. In light of these results, no correction was made for these variables in further analyses of fractal variables. No interaction was found between vertebral level and any of the fractal variables (p = 0.12-0.77). Therefore, vertebral level was not considered further as an independent variable. Logistic regression analysis within GEE indicated that probability of fracture decreased with increasing mean FD (p = 0.02). In contrast, probability of fracture increased with increasing mean λ (p = 0.03). Although not to a statistically significant degree, probability of fracture increased with increasing mean Sλ (p = 0.08), SD of FD (p = 0.07), SD of λ (p = 0.07), and SD of Sλ (p = 0.06). CONCLUSION. We found FD and lacunarity calculated within the cancellous centrum of T7 and T11 vertebrae to be significantly associated with the presence of a vertebral fracture in this cohort. The decreased probability of fracture with increasing fractal dimension and increased probability of fracture with increasing lacunarity are consistent with the idea that cancellous bone with a better organized trabecular architecture is mechanically more competent. To our knowledge, this is the first in vivo evidence that fractal analysis of vertebral bone from tomosynthesis images may be useful in assessing vertebral fracture risk in patients with multiple myeloma.
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Wáng YXJ, Che-Nordin N, Deng M, Leung JCS, Kwok AWL, He LC, Griffith JF, Kwok TCY, Leung PC. Osteoporotic vertebral deformity with endplate/cortex fracture is associated with higher further vertebral fracture risk: the Ms. OS (Hong Kong) study results. Osteoporos Int 2019; 30:897-905. [PMID: 30666373 DOI: 10.1007/s00198-019-04856-4] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Accepted: 01/13/2019] [Indexed: 12/12/2022]
Abstract
UNLABELLED Compared with vertebrae without deformity, vertebrae with mild/moderate deformity have a higher risk of endplate or/and cortex fracture (ecf). Compared with subjects without ecf, subjects with ecf are at a higher risk of short-term (4-year period) deformity progression and new incident deformity. INTRODUCTION The progression and incidence of osteoporotic vertebral deformity/fracture (VD/VF) in elderly Chinese females remain not well documented. METHODS Spine radiographs of 1533 Chinese females with baseline and year-4 follow-up (mean age 75.7 years) were evaluated according to Genant's VD criteria and endplate/cortex fracture (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. According to their VD/VF, subjects were graded into seven categories: vd0/ecf0, vd1/ecf0, vd2m/ecf0, 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 incident VD was a change from grade-0 to grade-2/3 or to grade-1 with ≥ 10% height loss. RESULTS Of subjects with Genant's grades 0, - 1, - 2, and - 3 VD, at follow-up, 4.6%, 8%, 10.6%, and 28.9% had at least one VD progression or new incident VD respectively. Among the three ecf0 groups, there was no difference in VD progression or new VD; while there was a significant difference in new ecf incidence, with vd0/ecf0 being lowest and vd2m/ecf0 being highest. Vd1/ecf0 and vd2m/ecf0 vertebrae had a higher risk of turning to ecf1 than vd0/ecf0 vertebrae. If vd1/ecf0 and vd2m/ecf0 subjects were combined together (range 20-34% height loss) to compare with vd1/ecf1 and vd2m/ecf1 subjects, the latter had significantly higher VD progression and new VD rates. CONCLUSION Vertebrae with grade-1/2 VDs had a higher risk of developing ECF. Subjects with pre-existing ECFs had a higher risk of worsening or new vertebral deformities.
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Affiliation(s)
- Y X J Wáng
- Department of Imaging and Interventional Radiology, Faculty of Medicine, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, SAR, China.
| | - N Che-Nordin
- Department of Imaging and Interventional Radiology, Faculty of Medicine, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, SAR, China
| | - M Deng
- Department of Imaging and Interventional Radiology, Faculty of Medicine, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, SAR, China
| | - J C S Leung
- JC Centre for Osteoporosis Care and Control, Faculty of Medicine, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, SAR, China
| | - A W L Kwok
- JC Centre for Osteoporosis Care and Control, Faculty of Medicine, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, SAR, China
| | - L C He
- Department of Radiology, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - J F Griffith
- Department of Imaging and Interventional Radiology, Faculty of Medicine, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, SAR, China
| | - T C Y Kwok
- JC Centre for Osteoporosis Care and Control, Faculty of Medicine, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, SAR, China
- Department of Medicine and Therapeutics, Faculty of Medicine, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, SAR, China
| | - P C Leung
- JC Centre for Osteoporosis Care and Control, Faculty of Medicine, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, SAR, China
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Lentle B, Koromani F, Brown JP, Oei L, Ward L, Goltzman D, Rivadeneira F, Leslie WD, Probyn L, Prior J, Hammond I, Cheung AM, Oei EH. The Radiology of Osteoporotic Vertebral Fractures Revisited. J Bone Miner Res 2019; 34:409-418. [PMID: 30645770 DOI: 10.1002/jbmr.3669] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 12/17/2018] [Accepted: 01/05/2019] [Indexed: 01/31/2023]
Abstract
Until recently there has been little evidence available to validate any method by which to make an accurate diagnosis of an osteoporotic vertebral fractures (OVFs) from plain radiographs. In part this reflects a lack of a completely satisfactory "gold standard," but primarily it relates to the absence of well-designed prospective studies in this context. Historically, OVFs were recognized by evidence of macroscopic structural failure in vertebrae using the criteria applied elsewhere in the skeleton. This comprised altered alignment, fragmentation, cortical disruptions, and breaks, among other changes. However, these morphological criteria were replaced by vertebral morphometry, referring to the use of quantitative or quasi-quantitative measurement tools for fracture diagnosis. Vertebral morphometry emerged as an understanding of and treatment for osteoporosis evolved, mainly in response to the need for expeditious assessments of large numbers of spine images for epidemiological and pharmaceutical purposes. Although most of the descriptions of such morphometric tools have stressed that they were not to be applied to clinical diagnosis with respect to individual patients, this constraint has been widely disregarded. Here we review the major attempts to develop a diagnostic strategy for OVF and describe their characteristics in adults and children. Recent evidence suggests that morphometric (quantitative; ie, based on measurement of dimensions and shape description) criteria are inferior to morphologic (qualitative; ie, based on structural integrity) vertebral damage assessment in identifying people with low bone density and at an increased risk of future fracture. Thus there is now an evidentiary basis for suggesting that morphological assessment is the preferred strategy for use in diagnosing OVF from radiographs. © 2019 American Society for Bone and Mineral Research.
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Affiliation(s)
- Brian Lentle
- Department of Radiology, University of British Columbia, Vancouver, BC, Canada
| | - Fjorda Koromani
- Department of Radiology and Nuclear Medicine, University Medical Center Rotterdam, Erasmus MC, Rotterdam, The Netherlands.,Department of Internal Medicine, University Medical Center Rotterdam, Erasmus MC, Rotterdam, The Netherlands.,Department of Epidemiology, University Medical Center Rotterdam, Erasmus MC, Rotterdam, The Netherlands
| | - Jacques P Brown
- Department of Medicine, Division of Rheumatology, CHU de Québec Research Centre, Laval University, Québec City, QC, Canada
| | - Ling Oei
- Department of Internal Medicine, University Medical Center Rotterdam, Erasmus MC, Rotterdam, The Netherlands.,Department of Epidemiology, University Medical Center Rotterdam, Erasmus MC, Rotterdam, The Netherlands
| | - Leanne Ward
- Division of Bone Health, Department of Pediatrics, University of Ottawa, Ottawa, ON, Canada
| | - David Goltzman
- Department of Medicine, McGill University and McGill University Health Centre, Montréal, QC, Canada
| | - Fernando Rivadeneira
- Department of Internal Medicine, University Medical Center Rotterdam, Erasmus MC, Rotterdam, The Netherlands.,Department of Epidemiology, University Medical Center Rotterdam, Erasmus MC, Rotterdam, The Netherlands
| | - William D Leslie
- Department of Medicine, University of Manitoba, Winnipeg, MB, Canada
| | - Linda Probyn
- Department of Medical Imaging, University of Toronto and Sunnybrook Health Sciences Centre, Toronto, ON, Canada
| | - Jerilynn Prior
- Division of Endocrinology, University of British Columbia, Vancouver, BC, Canada
| | - Ian Hammond
- Department of Radiology, University of Ottawa, Ottawa, ON, Canada
| | - Angela M Cheung
- Department of Medicine and Joint Department of Medical Imaging, Centre of Excellence in Skeletal Health Assessment, University Health Network, University of Toronto, Toronto, ON, Canada
| | - Edwin H Oei
- Department of Radiology and Nuclear Medicine, University Medical Center Rotterdam, Erasmus MC, Rotterdam, The Netherlands
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