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Tabassum A, Singh MKC, Ibrahim N, Sanjeevan V, Yusof MYPM. Trabecular bone microstructure parameters as predictors for chronological age: a systematic review. Forensic Sci Med Pathol 2024:10.1007/s12024-024-00864-x. [PMID: 39098862 DOI: 10.1007/s12024-024-00864-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/23/2024] [Indexed: 08/06/2024]
Abstract
Estimating chronological age is crucial in forensic identification. The increased application of medical imaging in age analysis has facilitated the development of new quantitative methods for the macroscopic evaluation of bones. This study aimed to determine the association of age-related changes in the trabecular microstructure with chronological age for age estimation in forensic science through different non-invasive imaging techniques. This systematic review was reported according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement. An electronic search was performed with PubMed/MEDLINE, Scopus, and Cochrane databases as well as with a Google Scholar search. Qualitative synthesis was performed using the Anatomical Quality Assessment tool. A detailed literature search yielded 3467 articles. A total of 14 articles were ultimately included in the study. A narrative approach was employed to synthesize the data. Microcomputed tomography, high-resolution peripheral quantitative computed tomography, and cone beam computed tomography have been used for the quantitative estimation of age. These imaging techniques aid in identifying the trabecular bone microarchitectural parameters for chronological age estimation. Age-related changes in trabecular bone included a decrease in the bone volume fraction, trabecular number, and connectivity density and an increase in trabecular separation. This study also revealed that morphometric indices vary with age and anatomical site. This study is registered with the International Prospective Register of Systematic Reviews (PROSPERO) with the registration number CDRD42023391873.
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Affiliation(s)
- Arshiya Tabassum
- Center for Oral and Maxillofacial Diagnostics and Medicine Studies, Faculty of Dentistry, Universiti Teknologi MARA Selangor, Sungai Buloh, Selangor, Malaysia
| | - Mansharan Kaur Chainchel Singh
- Institute of Pathology, Laboratory and Forensic Medicine (I-PPerForM), Universiti Teknologi MARA Selangor, Sungai Buloh, Selangor, Malaysia
| | - Norliza Ibrahim
- Department of Oral & Maxillofacial Clinical Sciences, Faculty of Dentistry, University of Malaya Kuala Lumpur, Kuala Lumpur, Malaysia
| | - Vinita Sanjeevan
- Department of Public Health Dentistry, Goa Dental College & Hospital, Bambolim, North Goa- Goa, 403202, India
| | - Mohd Yusmiaidil Putera Mohd Yusof
- Center for Oral and Maxillofacial Diagnostics and Medicine Studies, Faculty of Dentistry, Universiti Teknologi MARA Selangor, Sungai Buloh, Selangor, Malaysia.
- Institute of Pathology, Laboratory and Forensic Medicine (I-PPerForM), Universiti Teknologi MARA Selangor, Sungai Buloh, Selangor, Malaysia.
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Yue J, Wong PCH, Zhang Y, Peng F, Griffith JF, Xu J, Xiao F, Li TK, Hung V, Qin L, Tam LS. A novel visceral adiposity index predicts bone loss in female early rheumatoid arthritis patients detected by HR-pQCT. Sci Rep 2023; 13:2471. [PMID: 36774444 PMCID: PMC9922327 DOI: 10.1038/s41598-023-29505-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Accepted: 02/06/2023] [Indexed: 02/13/2023] Open
Abstract
The purpose of this prospective study is to compare the Chinese visceral adiposity index (CVAI) between early rheumatoid arthritis (ERA) patients and healthy controls; and to assess the relationship between CVAI and the bone microstructure using high-resolution peripheral quantitative computed tomography (HR-pQCT) in ERA patients. 104 female ERA and 100 age-, gender- and BMI-matched healthy controls were recruited for the comparison of CVAI. All ERA patients were prospectively followed for 1 year. HR-pQCT scan of the distal radius, tibia and second metacarpal head were performed at baseline and after one-year. ERA patients were divided into two sub-groups according to the median CVAI value (65.73) (low CVAI and high CVAI groups). CVAI in the ERA group was significantly higher than the controls group (p = 0.01). At baseline, the high CVAI group had a higher ESR level (p = 0.004) while the cortical volumetric bone mineral density (vBMD) was lower (at both the distal radius and tibia, all p < 0.05) compared to the low CVAI group. Linear regression analysis revealed that a higher baseline CVAI was an independent predictor of a lower cortical vBMD at month 12 (distal radius: B = - 0.626, p = 0.022, 95%CI - 1.914 to - 0.153; tibia: B = - 0.394, p = 0.003, 95%CI - 1.366 to - 0.290); and a greater reduction in trabecular vBMD (tibia: B = 0.444, p = 0.001, 95%CI 0.018-0.063; distal radius: B = 0.356, p = 0.008, 95%CI 0.403-0.063). In summary, CVAI is an independent predictor of trabecular bone loss in female patients with ERA, which may be augmented by a chronic inflammatory state in patients with visceral dysfunction of fat metabolism.Trial registration: http://Clinicaltrial.gov no: NCT01768923, 16/01/2013.
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Affiliation(s)
- Jiang Yue
- Department of Endocrinology and Metabolism, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Department of Medicine & Therapeutics, The Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
| | - Priscilla C H Wong
- Department of Medicine & Therapeutics, The Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
| | - Ying Zhang
- Department of Laboratory Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Feng Peng
- Department of Laboratory Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - James F Griffith
- Department of Imaging and Interventional Radiology, The Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
| | - Jiankun Xu
- Bone Quality and Health Center, Department of Orthopedics & Traumatology, The Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
| | - Fan Xiao
- Department of Imaging and Interventional Radiology, The Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
| | - Tena K Li
- Department of Medicine & Therapeutics, The Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
| | - Vivian Hung
- Bone Quality and Health Center, Department of Orthopedics & Traumatology, The Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
| | - Ling Qin
- Bone Quality and Health Center, Department of Orthopedics & Traumatology, The Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
| | - Lai-Shan Tam
- Department of Medicine & Therapeutics, The Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China.
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Miura K, Khantachawana A, Wakamori T, Matsubara H, Tanaka SM. Optical bone densitometry insensitive to skin thickness. BIOMED ENG-BIOMED TE 2022; 67:503-512. [DOI: 10.1515/bmt-2021-0314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 08/25/2022] [Indexed: 11/15/2022]
Abstract
Abstract
Skin thickness, including the adipose layer, which varies from individual to individual, affects the bone density measurement using light. In this study, we proposed a method to measure skin thickness using light and to correct the bias caused by differences in skin thickness and verified the proposed method by experiments using a phantom. We measured simulated skin of different thicknesses and bovine trabecular bone of different bone mineral densities (BMDs) using an optical system consisting of lasers of 850 and 515 nm wavelengths, lenses, and slits. Although the slope of the light intensity distribution formed on the surface of the material when irradiated by the 850 nm laser is affected by the thickness of the skin phantom. The difference of the intensity distribution peaks (δy) between the 850 and 515 nm lasers was strongly correlated with the thickness of the skin phantom. The coefficient of determination between the measurements and the BMD was improved by correcting the 850 nm laser measurements with δy. This result suggests that the method is applicable to optical bone densitometry, which is insensitive to differences in skin thickness.
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Affiliation(s)
- Kaname Miura
- Mechanical Science and Engineering , Graduate School of Natural Science and Technology, Kanazawa University , Kanazawa , Ishikawa, Japan
- Biological Engineering Program , Faculty of Engineering, King Mongkut’s University of Technology Thonburi , Bangkok , Thailand
| | - Anak Khantachawana
- Department of Mechanical Engineering , Faculty of Engineering, King Mongkut’s University of Technology Thonburi , Bangkok , Thailand
| | - Tsuyoshi Wakamori
- Mechanical Science and Engineering , Graduate School of Natural Science and Technology, Kanazawa University , Kanazawa , Ishikawa, Japan
| | - Hidenori Matsubara
- Department of Orthopaedic Surgery , Graduate School of Medical Sciences, Kanazawa University , Kanazawa , Ishikawa, Japan
| | - Shigeo M. Tanaka
- Institute of Science and Engineering, Faculty of Frontier Engineering, Kanazawa University , Kanazawa , Ishikawa, Japan
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Chow SKH, van Mourik M, Hung VWY, Zhang N, Li MMC, Wong RMY, Leung KS, Cheung WH. HR-pQCT for the Evaluation of Muscle Quality and Intramuscular Fat Infiltration in Ageing Skeletal Muscle. J Pers Med 2022; 12:jpm12061016. [PMID: 35743800 PMCID: PMC9225354 DOI: 10.3390/jpm12061016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 06/17/2022] [Accepted: 06/17/2022] [Indexed: 12/27/2022] Open
Abstract
Myosteatosis is the infiltration of fat in skeletal muscle during the onset of sarcopenia. The quantification of intramuscular adipose tissue (IMAT) can be a feasible imaging modality for the clinical assessment of myosteatosis, important for the early identification of sarcopenia patients and timely intervention decisions. There is currently no standardized method or consensus for such an application. The aim of this study was to develop a method for the detection and analysis of IMAT in clinical HR-pQCT images of the distal tibia to evaluate skeletal muscle during the ageing process, validated with animal and clinical experimentation. A pre-clinical model of ovariectomized (OVX) rats with known intramuscular fat infiltration was used, where gastrocnemii were scanned by micro-computed tomography (micro-CT) at an 8.4 μm isotropic voxel size, and the images were analyzed using our modified IMAT analysis protocol. IMAT, muscle density (MD), and muscle volume (MV) were compared with SHAM controls validated with Oil-red-O (ORO) staining. Furthermore, the segmentation and IMAT evaluation method was applied to 30 human subjects at ages from 18 to 81 (mean = 47.3 ± 19.2). Muscle-related parameters were analyzed with functional outcomes. In the animal model, the micro-CT adipose tissue-related parameter of IMAT% segmented at −600 HU to 100 HU was shown to strongly associate with the ORO-positively stained area (r = 0.898, p = 0.002). For the human subjects, at an adjusted threshold of −600 to −20 HU, moderate positive correlations were found between MV and MD (r = 0.642, p < 0.001), and between MV and IMAT volume (r = 0.618, p < 0.01). Moderate negative correlations were detected between MD and IMAT% (r = −0.640, p < 0.001). Strong and moderate associations were found between age and MD (r = −0.763, p < 0.01), and age and IMAT (r = 0.559, p < 0.01). There was also a strong correlation between IMAT% and chair rise time (r = 0.671, p < 0.01). The proposed HR-pQCT evaluation protocol for intramuscular adipose-tissue produced MD and IMAT results that were associated with age and physical performance measures, and were of good predictive value for the progression of myosteatosis or sarcopenia. The protocol was also validated on animal skeletal muscle samples that showed a good representation of histological lipid content with positive correlations, further supporting the clinical application for the rapid evaluation of muscle quality and objective quantification of skeletal muscle at the peripheral for sarcopenia assessment.
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Affiliation(s)
- Simon Kwoon-Ho Chow
- Musculoskeletal Research Laboratory, Bone Quality and Health Centre, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong; (V.W.-Y.H.); (N.Z.); (M.M.-C.L.); (R.M.-Y.W.); (K.-S.L.); (W.-H.C.)
- Correspondence: ; Tel.: +852-3505-1559
| | - Marloes van Mourik
- Orthopaedic Biomechanics, Department of Biomedical Engineering, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands;
| | - Vivian Wing-Yin Hung
- Musculoskeletal Research Laboratory, Bone Quality and Health Centre, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong; (V.W.-Y.H.); (N.Z.); (M.M.-C.L.); (R.M.-Y.W.); (K.-S.L.); (W.-H.C.)
| | - Ning Zhang
- Musculoskeletal Research Laboratory, Bone Quality and Health Centre, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong; (V.W.-Y.H.); (N.Z.); (M.M.-C.L.); (R.M.-Y.W.); (K.-S.L.); (W.-H.C.)
| | - Michelle Meng-Chen Li
- Musculoskeletal Research Laboratory, Bone Quality and Health Centre, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong; (V.W.-Y.H.); (N.Z.); (M.M.-C.L.); (R.M.-Y.W.); (K.-S.L.); (W.-H.C.)
| | - Ronald Man-Yeung Wong
- Musculoskeletal Research Laboratory, Bone Quality and Health Centre, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong; (V.W.-Y.H.); (N.Z.); (M.M.-C.L.); (R.M.-Y.W.); (K.-S.L.); (W.-H.C.)
| | - Kwok-Sui Leung
- Musculoskeletal Research Laboratory, Bone Quality and Health Centre, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong; (V.W.-Y.H.); (N.Z.); (M.M.-C.L.); (R.M.-Y.W.); (K.-S.L.); (W.-H.C.)
| | - Wing-Hoi Cheung
- Musculoskeletal Research Laboratory, Bone Quality and Health Centre, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong; (V.W.-Y.H.); (N.Z.); (M.M.-C.L.); (R.M.-Y.W.); (K.-S.L.); (W.-H.C.)
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Alvarenga JC, Caparbo VF, Domiciano DS, Pereira RMR. Age-related reference data of bone microarchitecture, volumetric bone density, and bone strength parameters in a population of healthy Brazilian men: an HR-pQCT study. Osteoporos Int 2022; 33:1309-1321. [PMID: 35059775 DOI: 10.1007/s00198-021-06288-5] [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: 08/09/2021] [Accepted: 12/21/2021] [Indexed: 11/25/2022]
Abstract
UNLABELLED In a cross-sectional cohort of 340 healthy Brazilian men aged 20 to 92 years, data on density, structure, and strength of the distal radius and tibia were obtained using high-resolution peripheral quantitative computed tomography (HR-pQCT) to develop age- and site-specific reference curves. Age-dependent changes differed between the sites and bone compartments (trabecular and cortical). INTRODUCTION The aim of this study was to establish age-related reference curves for bone densities, microarchitectural properties, and estimated failure load measured by HR-pQCT (distal radius and tibia) in men. Also, to correlate bone stiffness with the other HR-pQCT parameters, areal bone mineral density (BMD) by DXA and trabecular bone score (TBS). METHODS Healthy Brazilian men (n = 340) between the ages of 20 and 92 years were recruited. Non-dominant radius and left tibia were scanned using HR-pQCT (Xtreme CT I). Standard and automated segmentation methods were performed, and bone strength estimated by FE analysis. Bone mineral density at lumbar spine, total hip, femoral neck, and TBS were measured using DXA (Hologic, QDR4500). RESULTS Age-related reference curves were constructed at the distal radius and tibia for volumetric bone density, morphometry, and estimated bone strength parameters. There was a linear relationship with age only for thickness measurements of distal radius (trabecular: R2 0.108, p<0.001; cortical: R2 0.062, p=0.002) and tibia (trabecular: R2 0.109, p<0.001; cortical: R2 0.063, p=0.010), and bone strength at distal radius (R2 0.157, p<0.001). The significant correlations (p <0.05) found by Pearson's correlations (r) between bone stiffness and all other variables measured by HR-pQCT and DXA showed to be stronger at the tibia site than the distal radius. CONCLUSION The current study expands the HR-pQCT worldwide database and presents an adequate methodology for the construction of reference data in other populations. Moreover, the correlation of bone strength estimated by FEA with other bone microstructural parameters provided by HR-pQCT helps to determine the contribution of each of these variables to fracture risk prediction in men.
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Affiliation(s)
- J C Alvarenga
- Bone Metabolism Laboratory, Rheumatology Division, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Av Dr Arnaldo, 455, 3° andar, sala 3193, Sao Paulo, SP, 01246-903, Brazil
| | - V F Caparbo
- Bone Metabolism Laboratory, Rheumatology Division, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Av Dr Arnaldo, 455, 3° andar, sala 3193, Sao Paulo, SP, 01246-903, Brazil
| | - D S Domiciano
- Bone Metabolism Laboratory, Rheumatology Division, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Av Dr Arnaldo, 455, 3° andar, sala 3193, Sao Paulo, SP, 01246-903, Brazil
| | - R M R Pereira
- Bone Metabolism Laboratory, Rheumatology Division, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Av Dr Arnaldo, 455, 3° andar, sala 3193, Sao Paulo, SP, 01246-903, Brazil.
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Warden SJ, Liu Z, Fuchs RK, van Rietbergen B, Moe SM. Reference data and calculators for second-generation HR-pQCT measures of the radius and tibia at anatomically standardized regions in White adults. Osteoporos Int 2022; 33:791-806. [PMID: 34590158 PMCID: PMC8934267 DOI: 10.1007/s00198-021-06164-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 09/18/2021] [Indexed: 01/18/2023]
Abstract
UNLABELLED High-resolution peripheral quantitative computed tomography (HR-pQCT) is a powerful tool to assess bone health. To determine how an individual's or population of interest's HR-pQCT outcomes compare to expected, reference data are required. This study provides reference data for HR-pQCT measures acquired in a population of White adults. PURPOSE To provide age- and sex-specific reference data for high-resolution peripheral quantitative computed tomography (HR-pQCT) measures of the distal and diaphyseal radius and tibia acquired using a second-generation scanner and percent-of-length offsets proximal from the end of the bone. METHODS Data were acquired in White adults (aged 18-80 years) living in the Midwest region of the USA. HR-pQCT scans were performed at the 4% distal radius, 30% diaphyseal radius, 7.3% distal tibia, and 30% diaphyseal tibia. Centile curves were fit to the data using the LMS approach. RESULTS Scans of 867 females and 317 males were included. The fitted centile curves reveal HR-pQCT differences between ages, sexes, and sites. They also indicate differences when compared to data obtained by others using fixed length offsets. Excel-based calculators based on the current data were developed and are provided to enable computation of subject-specific percentiles, z-scores, and t-scores and to plot an individual's outcomes on the fitted curves. In addition, regression equations are provided to convert estimated failure load acquired with the conventional criteria utilized with first-generation scanners and those specifically developed for second-generation scanners. CONCLUSION The current study provides unique data and resources. The combination of the reference data and calculators provide clinicians and investigators an ability to assess HR-pQCT outcomes in an individual or population of interest, when using the described scanning and analysis procedure. Ultimately, the expectation is these data will be expanded over time so the wealth of information HR-pQCT provides becomes increasingly interpretable and utilized.
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Affiliation(s)
- S J Warden
- Department of Physical Therapy, School of Health and Human Sciences, Indiana University, 1140 W. Michigan St., CF-120, Indianapolis, IN, 46202, USA.
- Indiana Center for Musculoskeletal Health, Indiana University, Indianapolis, IN, USA.
| | - Z Liu
- Indiana Center for Musculoskeletal Health, Indiana University, Indianapolis, IN, USA
- Department of Biostatistics, School of Medicine, Indiana University, Indianapolis, IN, USA
| | - R K Fuchs
- Department of Physical Therapy, School of Health and Human Sciences, Indiana University, 1140 W. Michigan St., CF-120, Indianapolis, IN, 46202, USA
- Indiana Center for Musculoskeletal Health, Indiana University, Indianapolis, IN, USA
| | - B van Rietbergen
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands
| | - S M Moe
- Indiana Center for Musculoskeletal Health, Indiana University, Indianapolis, IN, USA
- Division of Nephrology, Department of Medicine, School of Medicine, Indiana University, Indianapolis, IN, USA
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Koy EHS, Amouzougan A, Biver E, Chapurlat R, Chevalley T, Ferrari SL, Fouilloux A, Locrelle H, Marotte H, Normand M, Rizzoli R, Vico L, Thomas T. Reference microarchitectural values measured by HR-pQCT in a Franco-Swiss cohort of young adult women. Osteoporos Int 2022; 33:703-709. [PMID: 34642812 DOI: 10.1007/s00198-021-06193-x] [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: 03/01/2021] [Accepted: 10/04/2021] [Indexed: 10/20/2022]
Abstract
UNLABELLED Bone microarchitecture assessed by high-resolution peripheral quantitative computed tomography varies across populations of different origin. The study presents a reference dataset of microarchitectural parameters in a homogeneous group of participants aged within 22-27 range determined by a discriminant analysis of a larger cross-sectional cohort of 339 women. INTRODUCTION High-resolution peripheral quantitative computed tomography (HR-pQCT) non-invasively measures three-dimensional bone microarchitectural parameters and volumetric bone mineral density. Previous studies established normative reference HR-pQCT datasets for several populations, but there were few data assessed in a reference group of young women with Caucasian ethnicity living in Western Europe. It is important to obtain different specific reference dataset for a valid interpretation of cortical and trabecular microarchitecture data. The aim of our study was to find the population with the most optimal bone status in order to establish a descriptive reference HR-pQCT dataset in a young and healthy normal-weight female cohort living in a European area including Geneva, Switzerland, Lyon and Saint-Etienne, France. METHODS We constituted a cross-sectional cohort of 339 women aged 19-41 years with a BMI > 18 and < 30 kg/m2. All participants had HR-pQCT measurements at both non-dominant distal radius and tibia sites. RESULTS We observed that microarchitectural parameters begin to decline before the age of 30 years. Based on a discriminant analysis, the optimal bone profile in this population was observed between the age range of 22 to 27 years. Consequently, we considered 43 participants aged 22-27 years to establish a reference dataset with median values and percentiles. CONCLUSION This is the first study providing reference values of HR-pQCT measurements considering specific age bounds in a Franco-Swiss female cohort at the distal radius and tibia sites.
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Affiliation(s)
- E How Shing Koy
- Department of Rheumatology, Hôpital Nord, CHU Saint-Etienne, Saint-Etienne, France
- INSERM U1059, Université de Lyon, Saint-Etienne, France
| | - A Amouzougan
- Department of Rheumatology, Hôpital Nord, CHU Saint-Etienne, Saint-Etienne, France
- INSERM U1059, Université de Lyon, Saint-Etienne, France
| | - E Biver
- Service of Bone Diseases, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - R Chapurlat
- INSERM U1033, Hôpital Edouard Herriot, HCL, Lyon, France
| | - T Chevalley
- Service of Bone Diseases, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - S L Ferrari
- Service of Bone Diseases, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - A Fouilloux
- INSERM U1059, Université de Lyon, Saint-Etienne, France
| | - H Locrelle
- Department of Rheumatology, Hôpital Nord, CHU Saint-Etienne, Saint-Etienne, France
- INSERM U1059, Université de Lyon, Saint-Etienne, France
| | - H Marotte
- Department of Rheumatology, Hôpital Nord, CHU Saint-Etienne, Saint-Etienne, France
- INSERM U1059, Université de Lyon, Saint-Etienne, France
| | - M Normand
- INSERM U1059, Université de Lyon, Saint-Etienne, France
| | - R Rizzoli
- Service of Bone Diseases, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - L Vico
- INSERM U1059, Université de Lyon, Saint-Etienne, France
| | - T Thomas
- Department of Rheumatology, Hôpital Nord, CHU Saint-Etienne, Saint-Etienne, France.
- INSERM U1059, Université de Lyon, Saint-Etienne, France.
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Liu C, Wong PY, Tong X, Chow SKH, Hung VWY, Cheung WH, Qin L, Law SW, Wong RMY. Muscle plays a more superior role than fat in bone homeostasis: A cross-sectional study of old Asian people. Front Endocrinol (Lausanne) 2022; 13:990442. [PMID: 36714587 PMCID: PMC9877339 DOI: 10.3389/fendo.2022.990442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Accepted: 12/13/2022] [Indexed: 01/15/2023] Open
Abstract
OBJECTIVES The aim of this study was to discover the role of fat and muscle in bone structures, as well as the relationship between obesity and sarcopenia on age-related osteoporosis. METHODS A total of 400 participants (65.0 ± 8.2 years old, 42.3% women) were recruited. Fat, muscle, bone parameters, basic demographics, medical history, physical performance and activity, and calcium intake of participants were obtained from datasets. The diagnosis of osteoporosis, sarcopenia, and obesity was based on current recommendations. Pearson correlation, non-linear regression models, and decision tree analyses were performed to study the relationship between fat, muscle, and bone. Logistic regression analyses were used to explore the risk of osteoporosis in old people with obesity or sarcopenia via Model 1 (unadjusted) and Model 2 (adjusted by age, physical activity, and calcium intake). RESULTS Correlation analysis showed that limb muscle mass and index, and age were best related to bone mineral density (BMD) (|r| = 0.386-0.632, p < 0.001). On the contrary, body mass index (BMI) and increased body fat percentage (BF%) were harmful for bone health. An increase of BMI and fat mass index slowed the increase of BMD in the spine, while skeletal muscle mass index accelerated the increase. People with sarcopenia had low muscle mass and strength. When separating subjects into sarcopenia and non-sarcopenia status, sarcopenia was independently related to higher risks of osteoporosis in both models (OR > 1, p < 0.05). BMI-defined obesity in Model 1 as well as BF%-defined obesity in both models did not reduce the risk of osteoporosis in both models (p > 0.05). The decision tree classification (85% accuracy) showed that greater body weight and larger lower limb muscle performance were negatively related to osteoporosis, while fat mass and percentage did not play roles in this prediction. CONCLUSION Low muscle mass and function were harmful to bone health. Obesity defined by both BMI and BF% had limited protective roles in osteoporosis. The benefits for bone from increased muscle mass and function play a more superior role than increased fat mass in old people. Sarcopenia prevention and treatment instead of controlling obesity should be recommended as an approach to reduce the risks of age-related osteoporosis and fragility fracture for elderly people.
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Affiliation(s)
- Chaoran Liu
- Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Pui Yan Wong
- Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Xin Tong
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Simon Kwoon-Ho Chow
- Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Bone Quality and Health Centre, Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Vivian Wing-Yin Hung
- Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Bone Quality and Health Centre, Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Wing-Hoi Cheung
- Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Bone Quality and Health Centre, Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Ling Qin
- Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Bone Quality and Health Centre, Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Sheung Wai Law
- Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Bone Quality and Health Centre, Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Ronald Man Yeung Wong
- Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Bone Quality and Health Centre, Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
- *Correspondence: Ronald Man Yeung Wong,
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9
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Cheung WH, Hung VWY, Cheuk KY, Chau WW, Tsoi KKF, Wong RMY, Chow SKH, Lam TP, Yung PSH, Law SW, Qin L. Best Performance Parameters of HR-pQCT to Predict Fragility Fracture: Systematic Review and Meta-Analysis. J Bone Miner Res 2021; 36:2381-2398. [PMID: 34585784 PMCID: PMC9298023 DOI: 10.1002/jbmr.4449] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 08/30/2021] [Accepted: 09/24/2021] [Indexed: 01/11/2023]
Abstract
Osteoporosis is a systemic skeletal disease characterized by low bone mass and bone structural deterioration that may result in fragility fractures. Use of bone imaging modalities to accurately predict fragility fractures is always an important issue, yet the current gold standard of dual-energy X-ray absorptiometry (DXA) for diagnosis of osteoporosis cannot fully satisfy this purpose. The latest high-resolution peripheral quantitative computed tomography (HR-pQCT) is a three-dimensional (3D) imaging device to measure not only volumetric bone density, but also the bone microarchitecture in a noninvasive manner that may provide a better fracture prediction power. This systematic review and meta-analysis was designed to investigate which HR-pQCT parameters at the distal radius and/or distal tibia could best predict fragility fractures. A systematic literature search was conducted in Embase, PubMed, and Web of Science with relevant keywords by two independent reviewers. Original clinical studies using HR-pQCT to predict fragility fractures with available full text in English were included. Information was extracted from the included studies for further review. In total, 25 articles were included for the systematic review, and 16 articles for meta-analysis. HR-pQCT was shown to significantly predict incident fractures and/or major osteoporotic fractures (MOFs). Of all the HR-pQCT parameters, our meta-analysis revealed that cortical volumetric bone mineral density (Ct.vBMD), trabecular thickness (Tb.Th), and stiffness were better predictors. Meanwhile, HR-pQCT parameters indicated better performance in predicting MOFs than incident fractures. Between the two standard measurement sites of HR-pQCT, the non-weight-bearing distal radius was a more preferable site than distal tibia for fracture prediction. Furthermore, most of the included studies were white-based, whereas very few studies were from Asia or South America. These regions should build up their densitometric databases and conduct related prediction studies. It is expected that HR-pQCT can be used widely for the diagnosis of osteoporosis and prediction of future fragility fractures. © 2021 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)
- Wing-Hoi Cheung
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China.,Bone Quality and Health Centre, Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Vivian Wing-Yin Hung
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China.,Bone Quality and Health Centre, Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Ka-Yee Cheuk
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Wai-Wang Chau
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Kelvin Kam-Fai Tsoi
- JC School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China
| | - Ronald Man-Yeung Wong
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China.,Bone Quality and Health Centre, Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Simon Kwoon-Ho Chow
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China.,Bone Quality and Health Centre, Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Tsz-Ping Lam
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China.,Bone Quality and Health Centre, Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Patrick Shu-Hang Yung
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China.,Bone Quality and Health Centre, Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Sheung-Wai Law
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China.,Bone Quality and Health Centre, Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Ling Qin
- Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China.,Bone Quality and Health Centre, Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
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10
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Okazaki N, Chiba K, Burghardt AJ, Kondo C, Doi M, Yokota K, Yonekura A, Tomita M, Osaki M. Differences in bone mineral density and morphometry measurements by fixed versus relative offset methods in high-resolution peripheral quantitative computed tomography. Bone 2021; 149:115973. [PMID: 33895434 DOI: 10.1016/j.bone.2021.115973] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 04/16/2021] [Accepted: 04/19/2021] [Indexed: 10/21/2022]
Abstract
INTRODUCTION High-resolution peripheral quantitative computed tomography (HR-pQCT), which enables in vivo analysis of bone morphometry, is widely used in osteoporosis research. The scan position is usually determined by the fixed offset method; however, there are concerns that the scan position can become relatively proximal if limb length is short. The present study compared bone mineral density and morphometry measured using the fixed and relative offset methods, in which the scan position is determined based on the lengths of the forearm and lower leg, and investigated factors responsible for measurement differences between the two methods. METHODS A total of 150 healthy Japanese subjects, comprising 75 men and 75 women, with a mean age of 45.1 years, were enrolled in this study. The distal radius and tibia were scanned using the fixed and relative offset methods; the fixed offset method involved scanning the radius and tibia at 9 mm and 22 mm, respectively, proximal to their distal articular surfaces. By contrast, the relative offset method entailed scanning the radius at 4% of the forearm length and the tibia at 7.3% of the lower leg length, proximal to their respective distal articular surfaces. The percent overlap between the scan positions of the two methods was measured using the scout views. Measurement values obtained with the two methods were compared. The correlation between the differences in the values among the two methods and forearm length, lower leg length, and body height was examined. RESULTS The subjects had a mean height of 164.3 ± 14.3 cm, mean forearm length of 252.9 ± 17.3 mm, and mean lower leg length of 346.7 ± 22.3 mm. The mean percent overlap was 85.0 ± 9.1% (59.2-99.6%) for the radius and 79.8 ± 12.5% (48.3-99.8%) for the tibia. Fixed offset scanning yielded higher total volumetric bone mineral density (Tt.vBMD) and cortical vBMD (Ct.vBMD) and greater cortical thickness (Ct.Th) (all p < 0.001). The differences between the two methods in terms of Tt.vBMD, Ct.vBMD and Ct.Th were significantly greater with shorter forearm length, lower leg length, and body height (radius: 0.51 < |r| < 0.63, tibia: 0.61 < |r| < 0.95). CONCLUSION Measurements of bone mineral density and morphometry obtained using the fixed offset method differed from those obtained using the relative offset method, which takes body size into account. Shorter body height, forearm length, and lower leg length were found to correlate with greater measurement differences. In populations with smaller stature, use of the fixed offset method results in relatively proximal images; thus, caution should be exercised when comparing groups of different height.
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Affiliation(s)
- Narihiro Okazaki
- Department of Orthopaedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.
| | - Ko Chiba
- Department of Orthopaedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Andrew J Burghardt
- Department of Radiology and Biomedical Imaging, University of California, San Francisco, CA, USA
| | - Choko Kondo
- Department of Orthopaedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Mitsuru Doi
- Department of Orthopaedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Kazuaki Yokota
- Department of Orthopaedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Akihiko Yonekura
- Department of Orthopaedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Masato Tomita
- Department of Orthopaedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Makoto Osaki
- Department of Orthopaedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
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11
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van den Bergh JP, Szulc P, Cheung AM, Bouxsein M, Engelke K, Chapurlat R. The clinical application of high-resolution peripheral computed tomography (HR-pQCT) in adults: state of the art and future directions. Osteoporos Int 2021; 32:1465-1485. [PMID: 34023944 PMCID: PMC8376700 DOI: 10.1007/s00198-021-05999-z] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 05/06/2021] [Indexed: 12/13/2022]
Abstract
High-resolution peripheral computed tomography (HR-pQCT) was developed to image bone microarchitecture in vivo at peripheral skeletal sites. Since the introduction of HR-pQCT in 2005, clinical research to gain insight into pathophysiology of skeletal fragility and to improve prediction of fractures has grown. Meanwhile, the second-generation HR-pQCT device has been introduced, allowing novel applications such as hand joint imaging, assessment of subchondral bone and cartilage thickness in the knee, and distal radius fracture healing. This article provides an overview of the current clinical applications and guidance on interpretation of results, as well as future directions. Specifically, we provide an overview of (1) the differences and reference data for HR-pQCT variables by age, sex, and race/ethnicity; (2) fracture risk prediction using HR-pQCT; (3) the ability to monitor response of anti-osteoporosis therapy with HR-pQCT; (4) the use of HR-pQCT in patients with metabolic bone disorders and diseases leading to secondary osteoporosis; and (5) novel applications of HR-pQCT imaging. Finally, we summarize the status of the application of HR-pQCT in clinical practice and discuss future directions. From the clinical perspective, there are both challenges and opportunities for more widespread use of HR-pQCT. Assessment of bone microarchitecture by HR-pQCT improves fracture prediction in mostly normal or osteopenic elderly subjects beyond DXA of the hip, but the added value is marginal. The prospects of HR-pQCT in clinical practice need further study with respect to medication effects, metabolic bone disorders, rare bone diseases, and other applications such as hand joint imaging and fracture healing. The mostly unexplored potential may be the differentiation of patients with only moderately low BMD but severe microstructural deterioration, which would have important implications for the decision on therapeutical interventions.
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Affiliation(s)
- J P van den Bergh
- Department of Internal Medicine, VieCuri Medical Center, Venlo, The Netherlands.
- Department of Internal Medicine, Maastricht University Medical Center, Maastricht, The Netherlands.
- Faculty of Medicine, Hasselt University, Hasselt, Belgium.
| | - P Szulc
- INSERM UMR 1033, Université de Lyon, Hôpital E Herriot, 69437 cedex 03, Lyon, France
| | - A M Cheung
- Department of Medicine and Joint Department of Medical Imaging, University Health Network; and Department of Medicine and Centre of Excellence in Skeletal Health Assessment, University of Toronto, Toronto, Ontario, Canada
| | - M Bouxsein
- Center for Advanced Orthopedic Studies, Beth Israel Deaconess Medical Center and Department of Orthopedic Surgery, Harvard Medical School, Boston, MA, USA
| | - K Engelke
- Department of Medicine 3, FAU University Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - R Chapurlat
- INSERM UMR 1033, Université de Lyon, Hôpital E Herriot, 69437 cedex 03, Lyon, France
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12
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Fujii N, Tsukamoto M, Okimoto N, Mori M, Ikejiri Y, Yoshioka T, Kawasaki M, Kito N, Ozawa J, Nakamura R, Takano S, Fujiwara S. Differences in the effects of BMI on bone microstructure between loaded and unloaded bones assessed by HR-pQCT in Japanese postmenopausal women. Osteoporos Sarcopenia 2021; 7:54-62. [PMID: 34278000 PMCID: PMC8261728 DOI: 10.1016/j.afos.2021.05.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 05/05/2021] [Accepted: 05/06/2021] [Indexed: 01/22/2023] Open
Abstract
Objectives The relationship between weight-related load and bone mineral density (BMD)/bone microstructure under normal load conditions using high-resolution peripheral quantitative computed tomography (HR-pQCT) remains unconfirmed. The study aims to investigate the differences in effect of body mass index (BMI) on BMD/bone microstructure of loaded and unloaded bones, respectively, in Japanese postmenopausal women. Methods Fifty-seven postmenopausal women underwent HR-pQCT on the tibia and radius. Correlation analysis, principal component (PC) analysis, and hierarchical multiple regression were performed to examine the relationship between BMI and HR-pQCT parameters. Results Several microstructural parameters of the tibia and radius correlated with BMI through a simple correlation analysis, and these relationships remained unchanged even with an age-adjusted partial correlation analysis. PC analysis was conducted using seven bone microstructure parameters. The first PC (PC1) reflected all parameters of trabecular and cortical bone microstructures, except for cortical porosity, whereas the second PC (PC2) reflected only cortical bone microstructure. Hierarchical multiple regression analysis indicated that BMI was more strongly related to BMD/bone microstructure in the tibia than in the radius. Furthermore, BMI was associated with trabecular/cortical BMD, and PC1 (not PC2) of the tibia and radius. Thus, BMI was strongly related to the trabecular bone microstructure rather than the cortical bone microstructure. Conclusions Our data confirmed that BMI is associated with volumetric BMD and trabecular bone microstructure parameters in the tibia and radius. However, although BMI may be more related to HR-pQCT parameters in the tibia than in the radius, the magnitude of association is modest.
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Affiliation(s)
- Norifumi Fujii
- Department of Rehabilitation, Shimura Hospital, Hiroshima, Japan.,Hiroshima International University Major in Medical Engineering and Technology Graduate School of Medical Technology and Health Welfare Sciences, Hiroshima, Japan
| | - Manabu Tsukamoto
- Department of Orthopedic Surgery, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Nobukazu Okimoto
- Okimoto Clinic, Hiroshima, Japan.,Department of Orthopedic Surgery, Shimura Hospital, Hiroshima, Japan
| | - Miyuki Mori
- Department of Radiology, Shimura Hospital, Hiroshima, Japan
| | - Yoshiaki Ikejiri
- Department of Orthopedic Surgery, Shimura Hospital, Hiroshima, Japan
| | - Toru Yoshioka
- Department of Orthopedic Surgery, Shimura Hospital, Hiroshima, Japan
| | - Makoto Kawasaki
- Department of Orthopedic Surgery, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Nobuhiro Kito
- Department of Rehabilitation, Hiroshima International University, Hiroshima, Japan
| | - Junya Ozawa
- Department of Rehabilitation, Hiroshima International University, Hiroshima, Japan
| | - Ryoichi Nakamura
- Department of Rehabilitation, Shimura Hospital, Hiroshima, Japan
| | - Shogo Takano
- Department of Rehabilitation, Shimura Hospital, Hiroshima, Japan
| | - Saeko Fujiwara
- Department of Pharmacy, Yasuda Women's University, Hiroshima, Japan
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13
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Miller T, Ying MTC, Hung VWY, Tsang CSL, Ouyang H, Chung RCK, Qin L, Pang MYC. Determinants of estimated failure load in the distal radius after stroke: An HR-pQCT study. Bone 2021; 144:115831. [PMID: 33359893 DOI: 10.1016/j.bone.2020.115831] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 11/30/2020] [Accepted: 12/17/2020] [Indexed: 10/22/2022]
Abstract
Bone health is often compromised after stroke and the distal radius is a common site of fragility fractures. The macro- and mircoproperties of bone tissue after stroke and their clinical correlates are understudied. The objectives of the study were to use High-Resolution peripheral Quantitative Computed Tomography (HR-pQCT) to investigate the bone properties at the distal radius, and to identify the correlates of estimated failure load for the distal radius in people with chronic stroke. This was a cross-sectional study of 64 people with stroke (age: 60.8 ± 7.7 years, stroke duration: 5.7 ± 3.9 years) and 64 age- and sex-matched controls. Bilateral bone structural, densitometric, geometric and strength parameters of the distal radius were measured using HR-pQCT. The architecture, stiffness and echo intensity of the bilateral biceps brachii muscle and brachial artery blood flow were evaluated using diagnostic ultrasound. Other outcomes included the Fugl-Meyer Motor Assessment (FMA), Motor Activity Log (MAL), and Composite Spasticity Scale (CSS). The results revealed a significant side (paretic vs non-paretic for the stroke group, non-dominant vs dominant for controls) by group (stroke vs control) interaction effect for estimated failure load, cortical area, cortical thickness, trabecular number and trabecular separation, and all volumetric density parameters. Post-hoc analysis showed percent side-to-side differences in bone outcomes were greater in the stroke group than the control group, with the exception of trabecular thickness and intracortical porosity. Among the HR-pQCT variables, percent side-to-side difference in trabecular volumetric bone mineral density contributed the most to the percent side-to-side difference in estimated failure load in the stroke group (R2 change = 0.334, β = 1.106). Stroke-related impairments (FMA, MAL, CSS) were found to be significant determinants of the percent side-to-side difference in estimated failure load (R2 change = 0.233, β = -0.480). This was the first study to examine bone microstructure post-stroke. We found that the paretic distal radius had compromised bone structural properties and lower estimated failure load compared to the non-paretic side. Motor impairment was a determinant of estimated bone strength at the distal radius and may be a potential intervention target for improving bone health post-stroke.
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Affiliation(s)
- Tiev Miller
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong
| | - Michael T C Ying
- Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hong Kong
| | - Vivian W Y Hung
- Bone Quality and Health Centre, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong
| | - Charlotte S L Tsang
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong
| | - Huixi Ouyang
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong
| | - Raymond C K Chung
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong
| | - Ling Qin
- Bone Quality and Health Centre, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong
| | - Marco Y C Pang
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong.
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14
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The relationship between orthopedic clinical imaging and bone strength prediction. MEDICINE IN NOVEL TECHNOLOGY AND DEVICES 2021. [DOI: 10.1016/j.medntd.2021.100060] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
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15
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Huang M, Hung VWY, Li TK, Law SW, Wang Y, Chen S, Qin L. Performance of HR-pQCT, DXA, and FRAX in the discrimination of asymptomatic vertebral fracture in postmenopausal Chinese women. Arch Osteoporos 2021; 16:125. [PMID: 34480663 PMCID: PMC8418592 DOI: 10.1007/s11657-021-00939-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 05/11/2021] [Indexed: 02/03/2023]
Abstract
UNLABELLED Volumetric bone density (vBMD) and trabecular microarchitecture measured by high-resolution peripheral quantitative computed tomography (HR-pQCT) can discriminate the patients with high risk of asymptomatic vertebral fracture (VF) in postmenopausal Chinese women. These findings suggested that HR-pQCT could provide additional information on bone quality of the patients with asymptomatic VF. INTRODUCTION Although there were several studies using HR-pQCT to investigate asymptomatic VF, it remains uncertain if HR-pQCT parameters can discriminate asymptomatic VF patients, especially in Chinese population. The purpose of this study was to investigate whether bone quality measured by HR-pQCT could discriminate asymptomatic VF independent of hip areal bone mineral density (aBMD) measured by dual-energy x-ray absorptiometry (DXA) and fracture risks evaluated using built-in Fracture Risk Assessment Tool (FRAXBMD). METHODS This is a nested case-control study. One hundred seventy-five ambulatory Chinese postmenopausal women aged 60-79 years were retrieved from Normative Reference Standards (NRS) cohort in Hong Kong. DXA was used to identify VF from lateral spine images (VFA) using Genant's semi-quantitative method. Major osteoporotic fracture risk was calculated using FRAX tool. HR-pQCT was used to assess vBMD, microarchitecture, and estimated strength at both distal radius and tibia. Comparison of HR-pQCT parameters between asymptomatic VF and control was performed using covariance analysis. Logistic regression analysis was performed for calculating the adjusted odds ratio (OR) with 95% confidence intervals (CI) of fracture status as per SD decrease in HR-pQCT parameters. RESULTS Women with asymptomatic VF were older than those of the control in our NRS cohort. Nevertheless, after adjusted for covariance, asymptomatic VF showed significantly lower trabecular vBMD (Tb.vBMD) at radius but higher SMI at tibia as compared with those of the control. Tb.vBMD at radius yielded the highest value of area under the curve (AUC) as compared with total hip aBMD and FRAXBMD. However, no significant difference was found among each other. CONCLUSION Tb.vBMD at the radius and SMI at the tibia provided by HR-pQCT can discriminate asymptomatic VF independent of hip aBMD and FRAXBMD by DXA in postmenopausal women.
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Affiliation(s)
- Meiling Huang
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
- Bone Quality and Health Centre, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong, China
- Department of Rehabilitation, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Vivian Wing-Yin Hung
- Bone Quality and Health Centre, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong, China
| | - Tsz Kiu Li
- Bone Quality and Health Centre, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong, China
| | - Sheung Wai Law
- Bone Quality and Health Centre, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong, China
| | - Yulong Wang
- Department of Rehabilitation, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Shangjie Chen
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China.
- Department of Rehabilitation, Shenzhen Baoan Hospital Affiliated to Southern Medical University, Shenzhen, China.
| | - Ling Qin
- Bone Quality and Health Centre, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong, China.
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16
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Yu F, Xu Y, Hou Y, Lin Y, Jiajue R, Jiang Y, Wang O, Li M, Xing X, Zhang L, Qin L, Hsieh E, Xia W. Age-, Site-, and Sex-Specific Normative Centile Curves for HR-pQCT-Derived Microarchitectural and Bone Strength Parameters in a Chinese Mainland Population. J Bone Miner Res 2020; 35:2159-2170. [PMID: 32564403 PMCID: PMC9719438 DOI: 10.1002/jbmr.4116] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 06/03/2020] [Accepted: 06/13/2020] [Indexed: 12/18/2022]
Abstract
High-resolution peripheral quantitative computed tomography (HR-pQCT) is an advanced 3D imaging technology that has the potential to contribute to fracture risk assessment and early diagnosis of osteoporosis. However, to date no studies have sought to establish normative reference ranges for HR-pQCT measures among individuals from the Chinese mainland, significantly restricting its use. In this study, we collected HR-pQCT scans from 863 healthy Chinese men and women aged 20 to 80 years using the latest-generation scanner (Scanco XtremeCT II, Scanco Medical AG, Brüttisellen, Switzerland). Parameters including volumetric bone mineral density, bone geometry, bone microarchitecture, and bone strength were evaluated. Age-, site-, and sex-specific centile curves were established using generalized additive models for location, scale, and shape with age as the only explanatory variable. Based on established models, age-related variations for different parameters were also quantified. For clinical purposes, the expected values of HR-pQCT parameters for a defined age and a defined percentile or Z-score were provided. We found that the majority of trabecular and bone strength parameters reached their peak at 20 years of age, regardless of sex and site, then declined steadily thereafter. However, most of the cortical bone loss was observed after the age of 50 years. Among the measures, cortical porosity changed most dramatically, and overall, changes were more notable at the radius than the tibia and among women compared with men. Establishing such normative HR-pQCT reference data will provide an important basis for clinical and research applications in mainland China aimed at elucidating microstructural bone damage driven by different disease states or nutritional status. © 2020 American Society for Bone and Mineral Research.
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Affiliation(s)
- Fan Yu
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Beijing, China
| | - Yuping Xu
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Beijing, China
| | - Yanfang Hou
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Beijing, China
| | - Yuanyuan Lin
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Beijing, China
| | - Ruizhi Jiajue
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Beijing, China
| | - Yan Jiang
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Beijing, China
| | - Ou Wang
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Beijing, China
| | - Mei Li
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Beijing, China
| | - Xiaoping Xing
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Beijing, China
| | - Li Zhang
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Beijing, China
| | - Ling Qin
- Bone Quality and Health Center, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong, China
| | - Evelyn Hsieh
- Section of Rheumatology, Allergy, and Immunology, Department of Internal Medicine, Yale School of Medicine, New Haven, CT, USA
| | - Weibo Xia
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Beijing, China
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Yokota K, Chiba K, Okazaki N, Kondo C, Doi M, Yamada S, Era M, Nishino Y, Yonekura A, Tomita M, Osaki M. Deterioration of bone microstructure by aging and menopause in Japanese healthy women: analysis by HR-pQCT. J Bone Miner Metab 2020; 38:826-838. [PMID: 32519249 DOI: 10.1007/s00774-020-01115-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Accepted: 05/14/2020] [Indexed: 11/26/2022]
Abstract
INTRODUCTION Second-generation high-resolution peripheral quantitative computed tomography (HR-pQCT) has provide higher quality of bone images with a voxel size of 61 µm, enabling direct measurements of trabecular thickness. In addition to the standard parameters, the non-metric trabecular parameters such as trabecular morphology (plate to rod-like structures), connectivity, and anisotropy can also be analyzed. The purpose of this study is to investigate deterioration of bone microstructure in healthy Japanese women by measuring standard and non-metric parameters using HR-pQCT. MATERIALS AND METHODS Study participants were 61 healthy Japanese women (31-70 years). The distal radius and tibia were scanned using second-generation HR-pQCT, and microstructures of trabecular and cortical bone were measured. Non-metric trabecular parameters included structure model index (SMI), trabecular bone pattern factor (TBPf), connectivity density (Conn.D), number of nodes (N.Nd/TV), degree of anisotropy (DA), and star volume of marrow space (V*ms). Estimated bone strength was evaluated by micro finite element analysis. Associations between bone microstructure, estimated bone strength, age, and menopause were analyzed. RESULTS Trabecular number declined with age, and trabecular separation increased. SMI and TBPf increased, Conn.D and N.Nd/TV declined, and V*ms increased. Cortical BMD and thickness declined with age, and porosity increased. Stiffness and failure load decreased with age. Cortical thickness and estimated bone strength were affected by menopause. Cortical thickness was most associated with estimated bone strength. CONCLUSIONS Trabecular and cortical bone microstructure were deteriorated markedly with age. Cortical thickness decreased after menopause and was most related to bone strength. Non-metric parameters give additional information about osteoporotic changes of trabecular bone.
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Affiliation(s)
- Kazuaki Yokota
- Department of Orthopedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Ko Chiba
- Department of Orthopedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan.
| | - Narihiro Okazaki
- Department of Orthopedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Choko Kondo
- Department of Orthopedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Mitsuru Doi
- Department of Orthopedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Shuta Yamada
- Department of Orthopedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Makoto Era
- Department of Orthopedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Yuichiro Nishino
- Department of Orthopedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Akihiko Yonekura
- Department of Orthopedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Masato Tomita
- Department of Orthopedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Makoto Osaki
- Department of Orthopedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
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18
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Liu J, Chen S, Quan T, Wang Y, Wang O, Nie M, Jiang Y, Li M, Xing X, Xia W. Bone microstructure of adult patients with non-surgical hypoparathyroidism assessed by high-resolution peripheral quantitative computed tomography. Osteoporos Int 2020; 31:2219-2230. [PMID: 32623488 DOI: 10.1007/s00198-020-05506-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 06/15/2020] [Indexed: 11/25/2022]
Abstract
UNLABELLED There is limited evidence regarding changes in bone microstructure in patients with hypoparathyroidism. In the current study, we used a non-invasive technique to assess bone structure in hypoparathyroidism patients and discovered site-specific changes which were mainly influenced by age and menstrual status. Such changes were more prominent in the trabeculae as well as in non-surgical as opposed to post-surgical patients. INTRODUCTION Hypoparathyroidism (hypoPT) is a rare disease characterized by the lack of parathyroid hormone. There is limited evidence regarding changes in bone microstructure in patients with non-surgical hypoPT. We investigated bone microstructure of patients with non-surgical hypoPT using a non-invasive technique. METHODS Patients with hypoPT were assessed using high-resolution peripheral quantitative computed tomography (HR-pQCT) and compared to age- and sex-matched healthy controls randomly selected from a pre-existing HR-pQCT database in a cross-sectional study. Preliminary comparison between patients with different etiologies of hypoPT was performed. Associations between bone microstructure and clinical parameters were investigated using correlation and regression analyses. RESULTS A total of 94 patients with non-surgical hypoPT were recruited. Patients displayed an increase in trabecular volumetric BMD of the tibia (170.57 ± 34.32 vs. 156.48 ± 40.55 mg HA/cm3, p = 0.011) and increase in trabecular number of both the radius (1.48 ± 0.29 vs. 1.36 ± 0.22 mm-1, p = 0.003) and tibia (1.42 ± 0.23 vs. 1.24 ± 0.22 mm-1, p < 0.001) compared to healthy controls. Trabecular number was higher for non-surgical hypoPT compared to post-surgical hypoPT (1.37 ± 0.25 and 1.17 ± 0.13 mm-1, p = 0.022). Trends towards increase in cortical volumetric BMD were only present for post-menopausal female and male patients above the age of 50. For female patients, cortical volumetric BMD and area increased with age and decreased after menopause. For males, age had little influence on bone microstructure, but cortical porosity increased with longer treatment durations. CONCLUSIONS Results from this pilot study suggested that both cortical and trabecular bone were altered in this group of patients with hypoPT. Etiology for hypoPT might influence bone microstructure, mainly on trabeculae. Age, menstrual status, and treatment duration were likely to influence bone microstructure in hypoPT.
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Affiliation(s)
- J Liu
- Department of Endocrinology, Key Laboratory of Endocrinology of the Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Shuaifuyuan No.1, Dongcheng District, Beijing, 100730, China
- Department of Internal Medicine, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Shuaifuyuan No.1, Dongcheng District, Beijing, 100730, China
| | - S Chen
- Department of Endocrinology, Key Laboratory of Endocrinology of the Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Shuaifuyuan No.1, Dongcheng District, Beijing, 100730, China
| | - T Quan
- Department of Endocrinology, Key Laboratory of Endocrinology of the Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Shuaifuyuan No.1, Dongcheng District, Beijing, 100730, China
- Department of Radiology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China
| | - Y Wang
- Department of Endocrinology, Key Laboratory of Endocrinology of the Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Shuaifuyuan No.1, Dongcheng District, Beijing, 100730, China
| | - O Wang
- Department of Endocrinology, Key Laboratory of Endocrinology of the Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Shuaifuyuan No.1, Dongcheng District, Beijing, 100730, China
| | - M Nie
- Department of Endocrinology, Key Laboratory of Endocrinology of the Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Shuaifuyuan No.1, Dongcheng District, Beijing, 100730, China
| | - Y Jiang
- Department of Endocrinology, Key Laboratory of Endocrinology of the Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Shuaifuyuan No.1, Dongcheng District, Beijing, 100730, China
| | - M Li
- Department of Endocrinology, Key Laboratory of Endocrinology of the Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Shuaifuyuan No.1, Dongcheng District, Beijing, 100730, China
| | - X Xing
- Department of Endocrinology, Key Laboratory of Endocrinology of the Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Shuaifuyuan No.1, Dongcheng District, Beijing, 100730, China.
| | - W Xia
- Department of Endocrinology, Key Laboratory of Endocrinology of the Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Shuaifuyuan No.1, Dongcheng District, Beijing, 100730, China.
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19
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Stuck AK, Schenk D, Zysset P, Bütikofer L, Mathis A, Lippuner K. Reference values and clinical predictors of bone strength for HR-pQCT-based distal radius and tibia strength assessments in women and men. Osteoporos Int 2020; 31:1913-1923. [PMID: 32451557 DOI: 10.1007/s00198-020-05405-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Accepted: 03/27/2020] [Indexed: 10/24/2022]
Abstract
UNLABELLED Reference values for radius and tibia strength using multiple-stack high-resolution peripheral quantitative computed tomography (HR-pQCT) with homogenized finite element analysis are presented in order to derive critical values improving risk prediction models of osteoporosis. Gender and femoral neck areal bone mineral density (aBMD) were independent predictors of bone strength. INTRODUCTION The purpose was to obtain reference values for radius and tibia bone strength computed by using the homogenized finite element analysis (hFE) using multiple stacks with a HR-pQCT. METHODS Male and female healthy participants aged 20-39 years were recruited at the University Hospital of Bern. They underwent interview and clinical examination including hand grip, gait speed and DXA of the hip. The nondominant forearm and tibia were scanned with a double and a triple-stack protocol, respectively, using HR-pQCT (XCT II, SCANCO Medical AG). Bone strength was estimated by using the hFE analysis, and reference values were calculated using quantile regression. Multivariable analyses were performed to identify clinical predictors of bone strength. RESULTS Overall, 46 women and 41 men were recruited with mean ages of 25.1 (sd 5.0) and 26.2 (sd 5.2) years. Sex-specific reference values for bone strength were established. Men had significantly higher strength for radius (mean (sd) 6640 (1800) N vs. 4110 (1200) N; p < 0.001) and tibia (18,200 (4220) N vs. 11,970 (3150) N; p < 0.001) than women. In the two multivariable regression models with and without total hip aBMD, the addition of neck hip aBMD significantly improved the model (p < 0.001). No clinical predictors of bone strength other than gender and aBMD were identified. CONCLUSION Reference values for radius and tibia strength using multiple HR-pQCT stacks with hFE analysis are presented and provide the basis to help refining accurate risk prediction models. Femoral neck aBMD and gender were significant predictors of bone strength.
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Affiliation(s)
- A K Stuck
- Department of Geriatrics, Inselspital, Bern University Hospital, and University of Bern, Bern, 3010, Switzerland
| | - D Schenk
- ARTORG Center for Biomedical Engineering Research, University of Bern, Freiburgstrasse 3, 3010, Bern, Switzerland
| | - P Zysset
- ARTORG Center for Biomedical Engineering Research, University of Bern, Freiburgstrasse 3, 3010, Bern, Switzerland
| | - L Bütikofer
- CTU Bern, University of Bern, 3010, Bern, Switzerland
| | - A Mathis
- ARTORG Center for Biomedical Engineering Research, University of Bern, Freiburgstrasse 3, 3010, Bern, Switzerland
| | - K Lippuner
- Department of Osteoporosis, Inselspital, Bern University Hospital, University of Bern, Bern, 3010, Switzerland.
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20
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He T, Cui L, Niu N, Wang F, Miao H, Zhao H, Gao X, Liu C, Yu F, Jiang Y, Wang O, Li M, Xing X, Zhou D, Li J, Cao X, Xia W. Bone mineral density and bone microarchitecture in a cohort of patients with Erdheim-Chester Disease. Orphanet J Rare Dis 2020; 15:236. [PMID: 32887616 PMCID: PMC7487812 DOI: 10.1186/s13023-020-01518-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 08/24/2020] [Indexed: 02/07/2023] Open
Abstract
Background Erdheim-Chester Disease (ECD) is a rare type of non-Langerhans histiocytosis. Skeletal structures are affected in over 95% ECD patients. Due to the lack of proper imaging assessment tools, the alteration of bone microarchitecture in ECD has not been well studied. High-resolution peripheral quantitative computed tomography (HR-pQCT) is a newly developed assessment of bone mineral density and bone microarchitecture. Methods We performed a cross-sectional study with 13 patients diagnosed with ECD in Peking Union Medical College Hospital between October 2018 and June 2019. The diagnosis of ECD was based on typical pathological findings in the context of appropriate clinical and radiological manifestations. Bone geometry, volumetric bone mineral density and bone microarchitecture of those ECD patients were assessed using HR-pQCT at the non-dominant distal radius and distal tibia. Those HR-pQCT parameters were then compared to an ongoing population-based database of HR-pQCT for Mainland Chinese. Results As a result, remarkable heterogeneity of osteosclerosis in the HR-pQCT images was found in ECD patients, ranging from apparent normal structure, scattered thickening of trabecula, to homogenous consolidation. In terms of quantitative measurements, total volumetric BMD (383.50 mg/cm3, 1.352 times of normal mean, p = 0.023) of the tibia differed significantly in ECD patients, due to the increased trabecular volumetric BMD (291 mg/cm3, 2.058 times of normal mean, p = 0.003). The increased trabecular volumetric BMD of tibia was associated with remarkably increased number of trabecula (1.7/mm, 1.455 times of normal mean, p = 0.002) and increased thickness of trabecula (0.37 mm, 1.466 times of normal mean, p = 0.003). These differences could be due to the existence of dense bone interposed in the trabecula. Conclusion This study is the first to assess the volumetric bone mineral density and bone microstructure with HR-pQCT in a cohort of ECD patients and indicated that the application of HR-pQCT may help to reveal the nature of bone lesions in the disease.
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Affiliation(s)
- Tianhua He
- Department of Hematology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, 100730, China
| | - Lijia Cui
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, 100730, China
| | - Na Niu
- Department of Nuclear Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, 100730, China
| | - Fengdan Wang
- Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, 100730, China
| | - Huilei Miao
- Department of Hematology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, 100730, China
| | - Hao Zhao
- Department of Hematology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, 100730, China
| | - Xuemin Gao
- Department of Hematology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, 100730, China
| | - Chang Liu
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, 100730, China
| | - Fan Yu
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, 100730, China
| | - Yan Jiang
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, 100730, China
| | - Ou Wang
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, 100730, China
| | - Mei Li
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, 100730, China
| | - Xiaoping Xing
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, 100730, China
| | - Daobin Zhou
- Department of Hematology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, 100730, China
| | - Jian Li
- Department of Hematology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, 100730, China
| | - Xinxin Cao
- Department of Hematology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, 100730, China.
| | - Weibo Xia
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, 100730, China.
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Mitochondrial dysfunction impairs osteogenesis, increases osteoclast activity, and accelerates age related bone loss. Sci Rep 2020; 10:11643. [PMID: 32669663 PMCID: PMC7363892 DOI: 10.1038/s41598-020-68566-2] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Accepted: 06/24/2020] [Indexed: 02/07/2023] Open
Abstract
The pathogenesis of declining bone mineral density, a universal feature of ageing, is not fully understood. Somatic mitochondrial DNA (mtDNA) mutations accumulate with age in human tissues and mounting evidence suggests that they may be integral to the ageing process. To explore the potential effects of mtDNA mutations on bone biology, we compared bone microarchitecture and turnover in an ageing series of wild type mice with that of the PolgAmut/mut mitochondrial DNA ‘mutator’ mouse. In vivo analyses showed an age-related loss of bone in both groups of mice; however, it was significantly accelerated in the PolgAmut/mut mice. This accelerated rate of bone loss is associated with significantly reduced bone formation rate, reduced osteoblast population densities, increased osteoclast population densities, and mitochondrial respiratory chain deficiency in osteoblasts and osteoclasts in PolgAmut/mut mice compared with wild-type mice. In vitro assays demonstrated severely impaired mineralised matrix formation and increased osteoclast resorption by PolgAmut/mut cells. Finally, application of an exercise intervention to a subset of PolgAmut/mut mice showed no effect on bone mass or mineralised matrix formation in vitro. Our data demonstrate that mitochondrial dysfunction, a universal feature of human ageing, impairs osteogenesis and is associated with accelerated bone loss.
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22
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Cui L, Xu Y, Xu Q, Jiang Y, Wang O, Li M, Xing X, Xia W. Atypical Femoral Fracture Associated With Overuse of Bisphosphonate Evaluated by High-Resolution Peripheral Quantitative Computed Tomography (HR-pQCT). J Clin Densitom 2020; 23:329-334. [PMID: 30172602 DOI: 10.1016/j.jocd.2018.07.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Revised: 07/22/2018] [Accepted: 07/24/2018] [Indexed: 10/28/2022]
Affiliation(s)
- Lijia Cui
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Yuping Xu
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Qiming Xu
- Department of Orthopedics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Yan Jiang
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Ou Wang
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Mei Li
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Xiaoping Xing
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Weibo Xia
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China.
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Gil JA, DaSilva K, Johnson E, DaSilva MF, Pidgeon TS. Three-dimensional characterization of trabecular bone mineral density of the proximal ulna using quantitative computed tomography. J Shoulder Elbow Surg 2020; 29:755-760. [PMID: 31911213 DOI: 10.1016/j.jse.2019.09.040] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 09/02/2019] [Accepted: 09/12/2019] [Indexed: 02/01/2023]
Abstract
BACKGROUND Although previous studies have measured general proximal forearm bone mineral density (BMD), no study has systematically mapped the 3-dimensional trabecular BMD of the proximal ulna. The aim of this study was to describe the 3-dimensional distribution of the trabecular bone density of the proximal ulna. We hypothesize a variable distribution of proximal ulna trabecular BMD depending on the region of interest (ROI). METHODS Computed tomographic (CT) scans of 9 fresh-frozen cadaveric proximal ulna specimens with a mean age of 59.3 ± 8.1 years were studied. Each CT file was converted from DICOM to a QCT file that could be analyzed using QCT software (QCT Pro Version 6.1, Model 4 CT Calibration Phantom; MindWays Software Inc, Austin, TX, USA). The ROIs were defined as spheres of trabecular bone 3 mm in diameter located throughout the proximal ulna. RESULTS ROIs proximal to the trochlear notch demonstrated higher BMD than ROIs distal to the trochlear notch. Furthermore, volar ROIs adjacent to the ulnohumeral joint tended to have higher BMD than dorsal ROIs. The highest BMD was found in the tip of the olecranon. CONCLUSION Hardware in fixation constructs for proximal ulnar fractures should be directed toward ROIs with the highest BMD to maximize purchase. Hardware should approach the ulnohumeral joint without penetrating the joint to capture trabecular bone with the highest BMD. The most important fixation in such a construct will be that which captures trabecular bone with maximum BMD proximal to the trochlear notch (eg, the tip of the olecranon).
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Affiliation(s)
- Joseph A Gil
- Department of Orthopaedic Surgery, Brown University, Providence, RI, USA.
| | - Katia DaSilva
- Department of Orthopaedic Surgery, Brown University, Providence, RI, USA
| | - Eric Johnson
- Department of Orthopaedic Surgery, Brown University, Providence, RI, USA
| | - Manuel F DaSilva
- Department of Orthopaedic Surgery, Brown University, Providence, RI, USA
| | - Tyler S Pidgeon
- Department of Orthopaedic Surgery, Duke University, Duke Medicine Plaza (MOB 8), Raleigh, NC, USA
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Pidgeon TS, DaSilva KA, Crisco JJ, Johnson EC, Chambers AB, DaSilva MF. Three-Dimensional Characterization of Trabecular Bone Mineral Density of the Distal Radius Utilizing Quantitative Computed Tomography. Hand (N Y) 2020; 15:131-139. [PMID: 30019965 PMCID: PMC6966296 DOI: 10.1177/1558944718789407] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Background: Distal radius (DR) fractures demonstrate patterns of predictable fragments. Bone mineral density (BMD) measurements of these regions of interest (ROIs) may guide more precise treatment. Methods: Computed tomography (CT) scans of the DR of 42 healthy volunteers (23 female) were analyzed using quantitative CT software, measuring BMD within trabecular bone. Seven ROIs were described by alignment with the distal (volar ulnar distal [VUD], dorsal ulnar distal [DUD], volar radial distal [VRD], and dorsal radial distal [DRD]) or proximal (middle ulnar proximal [MUP], middle proximal [MP], and middle radial proximal [MRP]) sigmoid notch. Additional ROIs were the radial styloid (RS) and metadiaphysis (MD). A general estimation equation assessed subject's BMDs with predictive factors of gender, ROI, and age. The interaction between gender, ROI, and age was included in the model to allow for differences in ROI to vary with gender and/or age. Results: Comparing ROIs within the same gender and, separately, within the same age group revealed significantly higher BMD adjacent to the radioulnar and radiocarpal joints. Male and female individuals aged ≥50 years (mean: 172.7 mg/cm3 ± 6.1) had significantly lower BMD than those aged <50 years (mean: 202.7 mg/cm3 ± 5.8) when all ROIs were considered. Males had higher mean BMD at each ROI compared with females; these differences were significant in 5 of the 9 ROIs: VUD, DUD, DRD, RS, MUP. Conclusions: Trabecular BMD of the DR is highest adjacent to the radioulnar and radiocarpal joints. Female patients and those ≥50 years have lower trabecular BMD.
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Affiliation(s)
- Tyler S. Pidgeon
- Brown University, Providence, RI,
USA,Rhode Island Hospital, Providence,
USA,Tyler S. Pidgeon, Duke University Medical
Center, 4709 Creekstone Drive, Suite 200, Durham, NC 27703, USA.
| | - Katia A. DaSilva
- Brown University, Providence, RI,
USA,Rhode Island Hospital, Providence,
USA
| | - Joseph J. Crisco
- Brown University, Providence, RI,
USA,Rhode Island Hospital, Providence,
USA
| | | | - Alison B. Chambers
- Brown University, Providence, RI,
USA,Rhode Island Hospital, Providence,
USA
| | - Manuel F. DaSilva
- Brown University, Providence, RI,
USA,Rhode Island Hospital, Providence,
USA
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25
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Kralick AE, Zemel BS. Evolutionary Perspectives on the Developing Skeleton and Implications for Lifelong Health. Front Endocrinol (Lausanne) 2020; 11:99. [PMID: 32194504 PMCID: PMC7064470 DOI: 10.3389/fendo.2020.00099] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Accepted: 02/17/2020] [Indexed: 12/17/2022] Open
Abstract
Osteoporosis is a significant cause of morbidity and mortality in contemporary populations. This common disease of aging results from a state of bone fragility that occurs with low bone mass and loss of bone quality. Osteoporosis is thought to have origins in childhood. During growth and development, there are rapid gains in bone dimensions, mass, and strength. Peak bone mass is attained in young adulthood, well after the cessation of linear growth, and is a major determinant of osteoporosis later in life. Here we discuss the evolutionary implications of osteoporosis as a disease with developmental origins that is shaped by the interaction among genes, behavior, health status, and the environment during the attainment of peak bone mass. Studies of contemporary populations show that growth, body composition, sexual maturation, physical activity, nutritional status, and dietary intake are determinants of childhood bone accretion, and provide context for interpreting bone strength and osteoporosis in skeletal populations. Studies of skeletal populations demonstrate the role of subsistence strategies, social context, and occupation in the development of skeletal strength. Comparisons of contemporary living populations and archeological skeletal populations suggest declines in bone density and strength that have been occurring since the Pleistocene. Aspects of western lifestyles carry implications for optimal peak bone mass attainment and lifelong skeletal health, from increased longevity to circumstances during development such as obesity and sedentism. In light of these considerations, osteoporosis is a disease of contemporary human evolution and evolutionary perspectives provide a key lens for interpreting the changing global patterns of osteoporosis in human health.
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Affiliation(s)
- Alexandra E. Kralick
- Department of Anthropology, University of Pennsylvania, Philadelphia, PA, United States
| | - Babette S. Zemel
- Division of Gastroenterology, Hepatology and Nutrition, The Children's Hospital of Philadelphia, Philadelphia, PA, United States
- Department of Pediatrics, The University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, United States
- *Correspondence: Babette S. Zemel
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Bone measurements at multiple skeletal sites in adolescent idiopathic scoliosis-an in vivo correlation study using DXA, HR-pQCT and QCT. Arch Osteoporos 2019; 14:70. [PMID: 31250235 DOI: 10.1007/s11657-019-0621-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 06/17/2019] [Indexed: 02/03/2023]
Abstract
UNLABELLED Significant correlations for bone mineral density and bone microstructure between spinal and non-spinal skeletal sites (distal radius and proximal femur) in adolescent idiopathic scoliosis (AIS) patients were observed, indicating that proximal femoral DXA and distal radial HR-pQCT could provide valid clinical assessments in patients with AIS. PURPOSE Low bone mass is an important feature of adolescent idiopathic scoliosis (AIS), which is a complex 3D spinal deformity that affects girls during puberty. However, no clinical imaging modality is suitable for regular monitoring on their spinal bone qualities in rapid growth period. Therefore, we investigated whether bone mineral density (BMD) and bone microstructure at non-spinal sites correlated with BMD and mechanical property in the spine in AIS patients. METHODS Thirty-two AIS girls (16.7 ± 3.5 years old with mean Cobb angle of 67 ± 11°) who underwent pre-operative spine CT examination for navigation surgery were recruited. Volumetric BMD (vBMD) of lumbar spine (LS) was measured by quantitative computed tomography (QCT), vBMD and bone microstructure of distal radius (DR) by high-resolution peripheral QCT (HR-pQCT) and areal BMDs of total hip (TH) and femoral necks (FN) by dual-energy X-ray absorptiometry (DXA). Biomechanical properties of the DR and LS were estimated by finite element analysis (FEA). Pearson correlation was performed to study the correlation between bone parameters at these three sites. RESULTS LS vBMD correlated significantly with both FN and TH aBMD (R = 0.663-0.725, both p < 0.01) and with DR microstructural parameters (R = 0.380-0.576, all p < 0.05). Mechanical properties of LS and DR were also correlated (R = 0.398, p = 0.039). CONCLUSIONS Bone measurement at proximal femur and distal radius could provide an additional predictive power in estimating the bone changes at spine, which is the primary site of deformity in AIS patients. Our result indicated that DXA and HR-pQCT could provide a valid surrogate for spine bone measurements in AIS patients.
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The epidemiology of osteoporosis, associated fragility fractures, and management gap in China. Arch Osteoporos 2019; 14:32. [PMID: 30848398 DOI: 10.1007/s11657-018-0549-y] [Citation(s) in RCA: 134] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Accepted: 11/12/2018] [Indexed: 02/03/2023]
Abstract
BACKGROUND Osteoporosis has been one of the most common but largely under-diagnosed clinical problems among elderly population. The disease burden is even greater in China because of limited medical resources and large population size. This article is aimed to provide an overview of disease burden, secular trend, and management gap of osteoporosis and related fractures in China. METHODS Based on the related studies published in English and Chinese from 1990 to 2017, we investigated the prevalence/incidence of osteoporosis and osteoporotic fracture in Chinese mainland, Hong Kong, and Taiwan, characterizing the secular trend and disease burden in different regions. Strict inclusion criteria were applied to control the study quality. We further examined the diagnosis and treatment gap of osteoporosis management observed in clinical practice in China and summarized the efforts made by Chinese government and scholars to combat this situation. RESULTS Twenty-seven studies concerning osteoporosis prevalence in China (including Chinese mainland, Hong Kong, and Taiwan) met the inclusion criteria and were included in the final analysis. Another 15 studies about hip fracture incidence and 13 studies about vertebral fracture prevalence/incidence were also included. The epidemiological data varied greatly across studies due to different design and population included. A higher prevalence was indicated in female population, older age groups, and residents in northern China compared to their counterparts. Though attenuated increased rates or slight decline patterns have been observed in Hong Kong and Taiwan, osteoporotic fracture incidence still showed steady increase in Chinese mainland. The diagnosis and treatment of osteoporosis as well as post-fracture management were still insufficient in China. CONCLUSION Due to its silent nature, osteoporosis and its related fractures remain largely under-diagnosed and under-managed in China. It also highlights the scarcity of high-quality studies specifically focus on longtime documentation of disease burden change and male population, especially in mainland area.
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Yamada S, Chiba K, Okazaki N, Era M, Nishino Y, Yokota K, Yonekura A, Tomita M, Tsurumoto T, Osaki M. Correlation between vertebral bone microstructure and estimated strength in elderly women: An ex-vivo HR-pQCT study of cadaveric spine. Bone 2019; 120:459-464. [PMID: 30553854 DOI: 10.1016/j.bone.2018.12.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Revised: 12/03/2018] [Accepted: 12/07/2018] [Indexed: 02/07/2023]
Abstract
PURPOSE A vertebral fracture is the most common complication of osteoporosis, and various factors are involved in its occurrence. The purpose of this study was to investigate the role of trabecular and cortical bone microstructure on vertebral strength using high-resolution peripheral quantitative computed tomography (HR-pQCT). METHODS Three female cadaveric spines were investigated (average age: 80.3 years). The whole spine (T1-L4) was scanned by second-generation HR-pQCT at a voxel size of 60.7 μm. Bone microstructure analysis and micro finite element analysis were performed after excluding the upper and lower endplates and posterior elements of a total of 48 vertebrae. Correlations between trabecular and cortical bone microstructure parameters and estimated vertebral strength were analyzed by univariate and multivariate regression models. RESULTS Cortical thickness (Ct.Th) and trabecular thickness (Tb.Th) were strongly correlated with estimated failure load on univariate analysis (r = 0.89, 0.82). Trabecular volumetric bone mineral density (Tb.vBMD), bone volume fraction (BV/TV), trabecular number (Tb.N), and Ct.Th were correlated with estimated failure load on multivariate regression analysis. CONCLUSIONS It was suggested that, in addition to trabecular bone (Tb.vBMD, BV/TV, Tb.N), cortical bone (Ct.Th) contributed significantly to vertebral strength in elderly women.
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Affiliation(s)
- Shuta Yamada
- Department of Orthopedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Ko Chiba
- Department of Orthopedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, Japan.
| | - Narihiro Okazaki
- Department of Orthopedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Makoto Era
- Department of Orthopedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Yuichiro Nishino
- Department of Orthopedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Kazuaki Yokota
- Department of Orthopedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Akihiko Yonekura
- Department of Orthopedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Masato Tomita
- Department of Orthopedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Toshiyuki Tsurumoto
- Department of Macroscopic Anatomy, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Makoto Osaki
- Department of Orthopedic Surgery, Nagasaki University Graduate School of Biomedical Sciences, Japan
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Abstract
PURPOSE OF REVIEW With the incidence of distal radius fractures increasing in the elderly population, we sought to summarize the current orthopedic and medical management of these fractures in the elderly osteoporotic population. RECENT FINDINGS The number of osteoporotic patients undergoing surgical fixation for distal radius fractures has increased in recent years. This is likely due to the improved outcomes seen with volar locking plates, as well as an increase in the number of fellowship-trained hand surgeons. Despite this potential improvement in acute fracture management, a majority of these patients are underdiagnosed and undertreated for their underlying osteoporosis or endocrinopathies. The implementation of fracture liaison services and the ability of the treating orthopedist to recognize this gap in patient care result in a higher number of patients initiating appropriate treatment. It is vital that when discussing acute fracture management, a thorough discussion is had with patients regarding functional outcome and the benefits of both surgical and non-operative management. As these fractures become more prevalent and a greater percentage undergo surgical intervention, the economic burden of distal radius fractures will continue to rise. It is imperative that the treating surgeon view these fractures as sentinel events that are predictive of future hip and vertebral fractures. While relatively new, the use of fracture liaison services to help aide in proper screening and treatment of osteoporotic patients is of great value. Non-pharmacologic therapy such as physical therapy, smoking and alcohol cessation programs, and dietary modifications are crucial in treating patients with osteoporosis. While bisphosphonates remain the first-line treatment in patients with osteoporosis, novel therapies show promise for future use.
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Sum M, Zhu TY, Zhou B, Zhang Z, Bilezikian JP, Guo XE, Qin L, Walker M. Chinese Women in Both the United States and Hong Kong Have Cortical Microstructural Advantages and More Trabecular Plates Compared With White Women. JBMR Plus 2018; 3:e10083. [PMID: 31044182 DOI: 10.1002/jbm4.10083] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Revised: 08/07/2018] [Accepted: 08/12/2018] [Indexed: 01/01/2023] Open
Abstract
We cross-sectionally compared racial differences in bone quality between Chinese women in the United States (US) and Hong Kong (HK) with white women. A total of 514 women were included. We measured bone geometry, mass, microstructure, and stiffness by high-resolution peripheral quantitative computed tomography (HR-pQCT), individual trabecula segmentation (ITS), and microfinite element analysis (μFEA). After adjustment for age and body mass index (BMI), premenopausal Chinese women in the US and HK had smaller bone area but greater radial cortical (Ct.) thickness and Ct. and trabecular (Tb.) volumetric bone mineral density (vBMD) versus white women but did not differ from each other. At the radius, Tb. number was lower and spacing greater in Chinese women from HK and the US versus white women, whereas Chinese women did not differ from each other. Tb. thickness was highest in Chinese women from HK, intermediate in Chinese-Americans, and lowest in white women. Chinese women had more trabecular plates versus white women, leading to greater age- and BMI-adjusted stiffness for premenopausal Chinese women in HK and the US (both p < 0.05) versus white women. Tibial differences were similar in premenopausal women; analogous trends in microstructure were present in postmenopausal women at the tibia, although stiffness did not differ. In contrast, at the radius, cortical, plate-to-rod ratio, and stiffness were similar between postmenopausal HK and white women. Adjusting for age, weight, and height rather than age and BMI tended to reduce differences in bone size and Tb. parameters but accentuate cortical differences such that Chinese premenopausal women in both locations and postmenopausal women from HK had higher stiffness at both skeletal sites compared with white women. Compared with white women, Chinese women in the US and HK have vBMD and microstructural advantages leading to higher or similar mechanical competence in pre- and postmenopausal women, respectively, despite smaller bone size.
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Affiliation(s)
- Melissa Sum
- Division of Endocrinology Department of Medicine New York University Langone Health Medical Center New York NY USA
| | - Tracy Y Zhu
- Bone Quality and Health Assessment Center of the Department of Orthopaedics and Traumatology the Chinese University of Hong Kong Hong Kong SAR PR China
| | - Bin Zhou
- Bone Bioengineering Laboratory Department of Biomedical Engineering Fu Foundation School of Engineering and Applied Science Columbia University New York NY USA
| | - Zhendong Zhang
- Department of Orthopedic Surgery First Affiliated Hospital School of Medicine Shihezi University Shihezi China
| | - John P Bilezikian
- Division of Endocrinology Department of Medicine Columbia University College of Physicians and Surgeons New York NY USA
| | - X Edward Guo
- Bone Bioengineering Laboratory Department of Biomedical Engineering Fu Foundation School of Engineering and Applied Science Columbia University New York NY USA
| | - Ling Qin
- Bone Quality and Health Assessment Center of the Department of Orthopaedics and Traumatology the Chinese University of Hong Kong Hong Kong SAR PR China
| | - Marcella Walker
- Division of Endocrinology Department of Medicine Columbia University College of Physicians and Surgeons New York NY USA
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Zhu TY, Yip BH, Hung VW, Choy CW, Cheng KL, Kwok TC, Cheng JC, Qin L. Normative Standards for HRpQCT Parameters in Chinese Men and Women. J Bone Miner Res 2018; 33:1889-1899. [PMID: 29893993 DOI: 10.1002/jbmr.3481] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 05/10/2018] [Accepted: 06/03/2018] [Indexed: 01/18/2023]
Abstract
Assessing bone architecture using high-resolution peripheral quantitative computed tomography (HRpQCT) has the potential to improve fracture risk assessment. The Normal Reference Study aimed to establish sex-specific reference centile curves for HRpQCT parameters. This was an age-stratified cross-sectional study and 1072 ambulatory Chinese men (n = 544) and women (n = 528) aged 20 to 79 years, who were free from conditions and medications that could affect bone metabolism and had no history of fragility fracture. They were recruited from local communities of Hong Kong. Reference centile curves for each HRpQCT parameter were constructed using generalized additive models for location, scale, and shape with age as the only explanatory variable. Patterns of reference centile curves reflected age-related changes of bone density, microarchitecture, and estimated bone strength. In both sexes, loss of cortical bone was only evident in mid-adulthood, particularly in women with a more rapid fashion probably concurrent with the onset of menopause. In contrast, loss of trabecular bone was subtle or gradual or occurred at an earlier age. Expected values of HRpQCT parameters for a defined sex and age and a defined percentile or Z-score were obtained from these curves. T-scores were calculated using the population with the peak values as the reference and reflected age- or menopause-related bone loss in an older individual or the room to reach the peak potential in a younger individual. These reference centile curves produced a standard describing a norm or desirable target that enables value clinical judgements. Percentiles, Z-scores, and T-scores would be helpful in detecting abnormalities in bone density and microarchitecture arising from various conditions and establishing entry criteria for clinical trials. They also hold the potential to refine the diagnosis of osteoporosis and assessment of fracture risk. © 2018 American Society for Bone and Mineral Research.
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Affiliation(s)
- Tracy Y Zhu
- Bone Quality and Health Center, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong SAR
| | - Benjamin Hk Yip
- Division of Family Medicine and Primary Health Care, Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong SAR
| | - Vivian Wy Hung
- Bone Quality and Health Center, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong SAR
| | - Carol Wy Choy
- Bone Quality and Health Center, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong SAR
| | - Ka-Lo Cheng
- Bone Quality and Health Center, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong SAR
| | - Timothy Cy Kwok
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong SAR
| | - Jack Cy Cheng
- Bone Quality and Health Center, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong SAR
| | - Ling Qin
- Bone Quality and Health Center, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong SAR
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Haque S, Lau A, Beattie K, Adachi JD. Novel Imaging Modalities in Osteoporosis Diagnosis and Risk Stratification. CURRENT TREATMENT OPTIONS IN RHEUMATOLOGY 2018. [DOI: 10.1007/s40674-018-0099-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Yuwen P, Lv H, Chen W, Wang Y, Yu Y, Hao J, Liu S, Zhang T, Feng C, Guo J, Yin B, Zhang Y. Age-, gender- and Arbeitsgemeinschaft für Osteosynthesefragen type-specific clinical characters of adult tibial plateau fractures in eighty three hospitals in China. INTERNATIONAL ORTHOPAEDICS 2018; 42:667-672. [DOI: 10.1007/s00264-018-3769-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Accepted: 01/04/2018] [Indexed: 10/18/2022]
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Helfen T, Sprecher CM, Eberli U, Gueorguiev B, Müller PE, Richards RG, Schmidutz F. High-Resolution Tomography-Based Quantification of Cortical Porosity and Cortical Thickness at the Surgical Neck of the Humerus During Aging. Calcif Tissue Int 2017; 101:271-279. [PMID: 28432379 DOI: 10.1007/s00223-017-0279-y] [Citation(s) in RCA: 17] [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: 01/24/2017] [Accepted: 04/10/2017] [Indexed: 02/02/2023]
Abstract
Fractures of the proximal humerus are highly related to age and osteoporotic bone remodeling. Previous studies have highlighted the cortex as a major side of the bone loss, but the microstructural changes of the humerus have not been evaluated entirely. Sixty-four (n = 64) humeri of a representative collective (18-100 years) were scanned with high-resolution peripheral quantitative computed tomography (82 µm). Bone mineral density (BMD), trabecular bone volume fraction (Tb.BV/TV), cortical thickness (Ct.Th), and cortical porosity (Ct.Po) were determined with respect to four age groups. The BMD (r = -0.42), Ct.Th (r = 0.57), and Tb.BV/TV (r = 0.68) showed an age group-related decrease, while the Ct.Po increased (r = -0.55). The oldest group (80-100 years) revealed an extensively higher Ct.Po of +87% compared to the youngest group (18-44 years), while the Ct.Th and Tb.BV/TV were significantly lower by -35 and -49% (p < 0.05). The main cortical bone loss occurred after 65 years with the Ct.Th (-34%) and Tb.BV/TV (-40%) being clearly lower and the Ct.Po (+93%) clearly higher compared to the youngest group. In summary, osteoporosis leads to an age-related higher Ct.Po and reduced Ct.Th at the humeral cortex of the surgical neck. The bone loss of the cortex predominantly occurs around the age of 65 years and is very likely to reduce the mechanical strength and highly increases the fracture risk.
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Affiliation(s)
- Tobias Helfen
- AO Research Institute Davos, Davos, Switzerland
- Department of General-, Trauma- and Reconstructive Surgery, University of Munich (LMU), Munich, Germany
| | | | | | | | - Peter E Müller
- Department of Orthopaedic Surgery, Physical Medicine and Rehabilitation, University of Munich (LMU), Marchioninistrasse 15, 81377, Munich, Germany
| | | | - Florian Schmidutz
- AO Research Institute Davos, Davos, Switzerland.
- Department of Orthopaedic Surgery, Physical Medicine and Rehabilitation, University of Munich (LMU), Marchioninistrasse 15, 81377, Munich, Germany.
- BG Trauma Center, University of Tübingen, Tübingen, Germany.
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Wang J, Chen L, Jin S, Lin J, Zheng H, Zhang H, Fan H, He F, Ma S, Li Q. Altered expression of microRNA-98 in IL-1β-induced cartilage degradation and its role in chondrocyte apoptosis. Mol Med Rep 2017; 16:3208-3216. [PMID: 28765925 PMCID: PMC5547958 DOI: 10.3892/mmr.2017.7028] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2015] [Accepted: 03/23/2017] [Indexed: 12/28/2022] Open
Abstract
Osteoarthritis (OA) is a multifactorial disease characterized by degeneration of the articular cartilage due to genetic and epigenetic components. The pathogenesis of OA is complex and the mechanism of chondrocyte homeostatic regulation remains to be fully elucidated. Previous studies have demonstrated that microRNAs (miRNAs/miR) contribute to cartilage dysfunction. However, the functional role of miR-98 in interleukin-1β (IL-1β)-induced chondrocyte apoptosis in OA cartilage remains to be investigated. The present study aimed to identify and characterize the expression profile of miR-98 and apoptosis-associated proteins in healthy and OA chondrocytes, and western blot analysis and TUNEL staining were used to evaluate the role of miR-98 in the regulation of chondrocyte apoptosis. The present study demonstrated that miR-98 expression was increased in OA chondrocytes in response to IL-1β stimulation, and the expression levels of apoptosis-associated proteins, including Fas cell surface death receptor, caspase-3, caspase-8 and B-cell lymphoma-2 (Bcl-2)-associated X protein, were also increased in IL-1β-stimulated chondrocytes. In addition, it was revealed that upregulation of miR-98 was accompanied by reduced expression of Bcl-2 following exposure to IL-1β. IL-1β-induced downregulation of Bcl-2 was associated with miR-98-mediated translational repression. Transfection of OA chondrocytes with a miR-98 inhibitor had an inhibitory effect on IL-1β-induced cell apoptosis, increased cell proliferation and upregulated Bcl-2 expression. It is possible that miR-98 inhibited IL-1β-induced chondrocyte apoptosis by modulating Bcl-2 expression levels. The findings of the present study indicated that the effects of miR-98 on chondrocyte apoptosis were induced by regulation of Bcl-2 expression. In addition, the present study confirmed that miR-98 targeted the 3′-untranslated region of Bcl-2. In conclusion, miRNA-coordinated regulation of apoptosis-associated protein expression has been identified in OA chondrocytes following IL-1β induction.
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Affiliation(s)
- Jing Wang
- Department of Rheumatology and Immunology, First People's Hospital of Yunnan, Kunming, Yunnan 650032, P.R. China
| | - Lingqing Chen
- Department of Orthopedics, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650032, P.R. China
| | - Song Jin
- Department of Rheumatology and Immunology, First People's Hospital of Yunnan, Kunming, Yunnan 650032, P.R. China
| | - Jun Lin
- Department of Rheumatology and Immunology, First People's Hospital of Yunnan, Kunming, Yunnan 650032, P.R. China
| | - Hongmei Zheng
- Department of Rheumatology and Immunology, First People's Hospital of Yunnan, Kunming, Yunnan 650032, P.R. China
| | - Hong Zhang
- Department of Rheumatology and Immunology, First People's Hospital of Yunnan, Kunming, Yunnan 650032, P.R. China
| | - Hongtao Fan
- Department of Rheumatology and Immunology, First People's Hospital of Yunnan, Kunming, Yunnan 650032, P.R. China
| | - Fang He
- Department of Rheumatology and Immunology, First People's Hospital of Yunnan, Kunming, Yunnan 650032, P.R. China
| | - Sha Ma
- Department of Rheumatology and Immunology, First People's Hospital of Yunnan, Kunming, Yunnan 650032, P.R. China
| | - Qin Li
- Department of Rheumatology and Immunology, First People's Hospital of Yunnan, Kunming, Yunnan 650032, P.R. China
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Bonaretti S, Majumdar S, Lang TF, Khosla S, Burghardt AJ. The comparability of HR-pQCT bone measurements is improved by scanning anatomically standardized regions. Osteoporos Int 2017; 28:2115-2128. [PMID: 28391447 PMCID: PMC5526099 DOI: 10.1007/s00198-017-4010-7] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Accepted: 03/13/2017] [Indexed: 12/16/2022]
Abstract
UNLABELLED We investigated the sensitivity of distal bone density, structure, and strength measurements by high-resolution peripheral quantitative computed tomography (HR-pQCT) to variability in limb length. Our results demonstrate that HR-pQCT should be performed at a standard %-of-total-limb-length to avoid substantial measurement bias in population study comparisons and the evaluation of individual skeletal status in a clinical context. INTRODUCTION High-resolution peripheral quantitative computed tomography (HR-pQCT) measures of bone do not account for anatomic variability in bone length: a 1-cm volume is acquired at a fixed offset from an anatomic landmark. Our goal was to evaluate HR-pQCT measurement variability introduced by imaging fixed vs. proportional volumes and to propose a standard protocol for relative anatomic positioning. METHODS Double-length (2-cm) scans were acquired in 30 adults. We compared measurements from 1-cm sub-volumes located at the default fixed offset, and the average %-of-length offset. The average position corresponded to 4.0% ± 1.1 mm for radius, and 7.2% ± 2.2 mm for tibia. We calculated the RMS difference in bone parameters and T-scores to determine the measurement variability related to differences in limb length. We used anthropometric ratios to estimate the mean limb length for published HR-pQCT reference data, and then calculated mean %-of-length offsets. RESULTS Variability between fixed vs. relative scan positions was highest in the radius, and for cortical bone in general (RMS difference Ct.Th = 19.5%), while individuals had T-score differentials as high as +3.0 SD (radius Ct.BMD). We estimated that average scan position for published HR-pQCT reference data corresponded to 4.0% at the radius, and 7.3% at tibia. CONCLUSION Variability in limb length introduces significant bias to HR-pQCT measures, confounding cross-sectional analyses and limiting the clinical application for individual assessment of skeletal status. We propose to standardize scan positioning using 4.0 and 7.3% of total bone length for the distal radius and tibia, respectively.
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Affiliation(s)
- S Bonaretti
- Musculoskeletal Quantitative Imaging Research Group, Department of Radiology & Biomedical Imaging, University of California, QB3 Building, Suite 203, 1700 4th St, San Francisco, CA, 94158, USA
- Department of Radiology, Stanford University, Stanford, CA, USA
| | - S Majumdar
- Musculoskeletal Quantitative Imaging Research Group, Department of Radiology & Biomedical Imaging, University of California, QB3 Building, Suite 203, 1700 4th St, San Francisco, CA, 94158, USA
| | - T F Lang
- Musculoskeletal Quantitative Imaging Research Group, Department of Radiology & Biomedical Imaging, University of California, QB3 Building, Suite 203, 1700 4th St, San Francisco, CA, 94158, USA
| | - S Khosla
- Division of Endocrinology, Metabolism and Nutrition, Department of Internal Medicine, College of Medicine, Mayo Clinic, Rochester, MN, USA
| | - A J Burghardt
- Musculoskeletal Quantitative Imaging Research Group, Department of Radiology & Biomedical Imaging, University of California, QB3 Building, Suite 203, 1700 4th St, San Francisco, CA, 94158, USA.
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Burt LA, Hanley DA, Boyd SK. Cross-sectional Versus Longitudinal Change in a Prospective HR-pQCT Study. J Bone Miner Res 2017; 32:1505-1513. [PMID: 28294405 DOI: 10.1002/jbmr.3129] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Revised: 02/17/2017] [Accepted: 03/08/2017] [Indexed: 12/15/2022]
Abstract
Longitudinal studies assessing age-related changes using high-resolution peripheral quantitative computed tomography (HR-pQCT) provide novel insight compared with cross-sectional analyses. The purpose of this cohort study was 1) to determine individuals' change in HR-pQCT parameters over 5 years relative to least significant change (LSC), and 2) to evaluate if predicted rate of change from cross-sectional data is comparable to actual change from longitudinal investigation. A cohort of 466 (162 male, 304 female) participants completed two HR-pQCT scans with 5 years between assessments. After image registration, standard and cortical morphological analyses were conducted. Rate of bone microarchitectural change was compared between cross-sectional models and actual change calculated from longitudinal analyses. At the young end of the life span, we observed gains in total bone density of +0.2% to +2.9% per year, whereas the older participants (aged >50 years) lost total bone density at a rate of -0.3% to -1.3% per year. Declines in total bone density begin at age 40 years in females and 60 years in males, and significant adaptation was found at both ends of the age spectrum with respect to the LSC. Models predicting rate of change from cross-sectional data were similar to the actual change reported in this longitudinal study for total density and cortical thickness at the radius and cortical density at the tibia, but we found that changes in comparison to our 5-year longitudinal results were often overestimated from cross-sectional data. Studies aimed at observing age-related changes in a normative cohort, especially in a follow-up period of less than 5 years, are better to focus on the tibia rather than the radius because of the increased sensitivity to change at the tibia. © 2017 American Society for Bone and Mineral Research.
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Affiliation(s)
- Lauren A Burt
- Department of Radiology, Cumming School of Medicine, University of Calgary, Calgary, Canada.,McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Canada
| | - David A Hanley
- McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Canada.,Departments of Medicine, Community Health Sciences, and Oncology, University of Calgary, Calgary, Canada
| | - Steven K Boyd
- Department of Radiology, Cumming School of Medicine, University of Calgary, Calgary, Canada.,McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Canada
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Tinoco HA, Gomez JP, Velasco MA, Torres J. Identification of stiffness variations in supporting substances of a human canine tooth with a bracket-beam-piezoelectric sensor and its electromechanical impedance. ACTA ACUST UNITED AC 2017. [DOI: 10.1016/j.fdj.2017.03.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Alvarenga JC, Fuller H, Pasoto SG, Pereira RMR. Age-related reference curves of volumetric bone density, structure, and biomechanical parameters adjusted for weight and height in a population of healthy women: an HR-pQCT study. Osteoporos Int 2017; 28:1335-1346. [PMID: 27981337 DOI: 10.1007/s00198-016-3876-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Accepted: 12/08/2016] [Indexed: 10/20/2022]
Abstract
UNLABELLED In a cross-sectional cohort of 450 healthy women aged 20 to 85 years, data on the density, structure, and strength of the distal radius and tibia were obtained using high-resolution peripheral quantitative computed tomography (HR-pQCT) and were adjusted for age, weight, and height. Age-dependent patterns of change differed between the sites and between the trabecular and cortical compartments. In postmenopausal women, the trabecular bone remained relatively stable at the distal tibia, but the cortical compartment changed significantly. Cortical porosity exhibited a very weak correlation with stiffness. INTRODUCTION The aim of this study is to provide information on age-related, weight-related, and height-related changes in the volumetric bone mineral density (vBMD), structure, and biomechanical parameters of the cortical and trabecular compartments in a healthy female population using HR-pQCT. METHODS For a cross-sectional Brazilian cohort of 450 women aged 20 to 85 years, age-related reference curves of the vBMD, structure, and biomechanical parameters of the distal radius (DR) and distal tibia (DT) were constructed and adjusted for weight and height, and comparisons between premenopausal and postmenopausal women were performed. RESULTS Reference curves were obtained for all parameters. At the DR, age-related changes varied from -8.68% (cortical thickness [Ct.Th]) to 26.7% (trabecular separation [Tb.Sp]). At the DT, the changes varied from -12.4% (Ct.Th) to 26.3% (Tb.Sp). Cortical porosity (Ct.Po) exhibited the largest percent changes: 342.2% at the DR and 381.5% at the DT. In premenopausal women, Ct.Th remained constant; in postmenopausal women, structural trabecular parameters (trabecular number (Tb.N), trabecular thickness (Tb.Th), Tb.Sp) did not change, whereas cortical parameters and stiffness were significantly altered. Cortical vBMD showed the greatest absolute decrease at both sites, and the slopes were highly negative after menopause. Pearson correlations between stiffness (S) and HR-pCT parameters revealed a significant correlation between the densities and structures of the trabecular and cortical compartments. A weak correlation was observed between S and Ct.Po (DR r = -0.162, DT r = -0.273; p < 0.05). CONCLUSIONS These data provide reference curves from healthy women and demonstrate that density and structural and biomechanical parameters differ between the radius and tibia and between the trabecular and cortical compartments. In postmenopausal women, the trabecular bone remained relatively stable at the tibia site, whereas the cortical compartment changed significantly.
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Affiliation(s)
- J C Alvarenga
- Rheumatology Division, Faculdade Medicina da Universidade de São Paulo, Av. Dr. Arnaldo, 455, 3o andar, sala 3193, Sao Paulo, 01246-903, Brazil
| | - H Fuller
- Rheumatology Division, Faculdade Medicina da Universidade de São Paulo, Av. Dr. Arnaldo, 455, 3o andar, sala 3193, Sao Paulo, 01246-903, Brazil
| | - S G Pasoto
- Rheumatology Division, Faculdade Medicina da Universidade de São Paulo, Av. Dr. Arnaldo, 455, 3o andar, sala 3193, Sao Paulo, 01246-903, Brazil
| | - R M R Pereira
- Rheumatology Division, Faculdade Medicina da Universidade de São Paulo, Av. Dr. Arnaldo, 455, 3o andar, sala 3193, Sao Paulo, 01246-903, Brazil.
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Chen P, Lu H, Shen H, Wang W, Ni B, Chen J. Newly designed anterolateral and posterolateral locking anatomic plates for lateral tibial plateau fractures: a finite element study. J Orthop Surg Res 2017; 12:35. [PMID: 28231839 PMCID: PMC5324287 DOI: 10.1186/s13018-017-0531-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Accepted: 02/09/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Lateral column tibial plateau fracture fixation with a locking screw plate has higher mechanical stability than other fixation methods. The objectives of the present study were to introduce two newly designed locking anatomic plates for lateral tibial plateau fracture and to demonstrate their characteristics of the fixation complexes under the axial loads. METHODS Three different 3D finite element models of the lateral tibial plateau fracture with the bone plates were created. Various axial forces (100, 500, 1000, and 1500 N) were applied to simulate the axial compressive load on an adult knee during daily life. The equivalent maps of displacement and stress were output, and relative displacement was calculated along the fracture lines. RESULTS The displacement and stresses in the fixation complexes increased with the axial force. The equivalent displacement or stress map of each fixation under different axial forces showed similar distributing characteristics. The motion characteristics of the three models differed, and the max-shear stress of trabecula increased with the axial load. CONCLUSIONS These two novel plates could fix lateral tibial plateau fractures involving anterolateral and posterolateral fragments. Motions after open reduction and stable internal fixation should be advised to decrease the risk of trabecular microfracture. The relative displacement of the posterolateral fragments is different when using anterolateral plate and posterolateral plate, which should be considered in choosing the implants for different posterolateral plateau fractures.
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Affiliation(s)
- Pengbo Chen
- Department of Orthopedics, Xinhua Hospital affiliated to Shanghai Jiaotong University School of Medicine, No. 1665 Kongjiang Road Yangpu District, Shanghai, 200092, China
| | - Hua Lu
- Department of Orthopedics, Xinhua Hospital affiliated to Shanghai Jiaotong University School of Medicine, No. 1665 Kongjiang Road Yangpu District, Shanghai, 200092, China
| | - Hao Shen
- Department of Orthopedics, Xinhua Hospital affiliated to Shanghai Jiaotong University School of Medicine, No. 1665 Kongjiang Road Yangpu District, Shanghai, 200092, China.
| | - Wei Wang
- Department of Orthopedics, Xinhua Hospital affiliated to Shanghai Jiaotong University School of Medicine, No. 1665 Kongjiang Road Yangpu District, Shanghai, 200092, China
| | - Binbin Ni
- Department of Orthopedics, Xinhua Hospital affiliated to Shanghai Jiaotong University School of Medicine, No. 1665 Kongjiang Road Yangpu District, Shanghai, 200092, China
| | - Jishizhan Chen
- Department of Orthopedics, Xinhua Hospital affiliated to Shanghai Jiaotong University School of Medicine, No. 1665 Kongjiang Road Yangpu District, Shanghai, 200092, China
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Burt LA, Liang Z, Sajobi TT, Hanley DA, Boyd SK. Sex- and Site-Specific Normative Data Curves for HR-pQCT. J Bone Miner Res 2016; 31:2041-2047. [PMID: 27192388 DOI: 10.1002/jbmr.2873] [Citation(s) in RCA: 79] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Revised: 05/05/2016] [Accepted: 05/15/2016] [Indexed: 12/14/2022]
Abstract
The purpose of this study was to develop age-, site-, and sex-specific centile curves for common high-resolution peripheral quantitative computed tomography (HR-pQCT) and finite-element (FE) parameters for males and females older than 16 years. Participants (n = 866) from the Calgary cohort of the Canadian Multicentre Osteoporosis Study (CaMos) between the ages of 16 and 98 years were included in this study. Participants' nondominant radius and left tibia were scanned using HR-pQCT. Standard and automated segmentation methods were performed and FE analysis estimated apparent bone strength. Centile curves were generated for males and females at the tibia and radius using the generalized additive models for location, scale, and shape (GAMLSS) package in R. After GAMLSS analysis, age-, sex-, and site-specific centiles (10th, 25th, 50th, 75th, 90th) for total bone mineral density and trabecular number as well as failure load have been calculated. Clinicians and researchers can use these reference curves as a tool to assess bone health and changes in bone quality. © 2016 American Society for Bone and Mineral Research.
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Affiliation(s)
- Lauren A Burt
- Department of Radiology, Cumming School of Medicine, University of Calgary, Calgary, Canada.,McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Canada
| | - Zhiying Liang
- Department of Community Health Sciences, University of Calgary, Calgary, Canada.,O'Brien Institute for Public Health, University of Calgary, Calgary, Canada
| | - Tolulope T Sajobi
- Department of Community Health Sciences, University of Calgary, Calgary, Canada.,O'Brien Institute for Public Health, University of Calgary, Calgary, Canada
| | - David A Hanley
- McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Canada.,Department of Community Health Sciences, University of Calgary, Calgary, Canada.,Department of Oncology, Cumming School of Medicine, University of Calgary, Calgary, Canada
| | - Steven K Boyd
- Department of Radiology, Cumming School of Medicine, University of Calgary, Calgary, Canada.,McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Canada
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Choi YJ, Chung YS. Type 2 diabetes mellitus and bone fragility: Special focus on bone imaging. Osteoporos Sarcopenia 2016; 2:20-24. [PMID: 30775463 PMCID: PMC6372751 DOI: 10.1016/j.afos.2016.02.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2016] [Revised: 01/28/2016] [Accepted: 02/04/2016] [Indexed: 12/05/2022] Open
Abstract
Fragility fracture rate is increased in type 2 diabetes patients despite of higher bone mineral density than non-diabetes control subjects. Vertebral fractures are usually asymptomatic; therefore, morphometric radiologic evaluation should be considered especially for diabetes patients. Bone quality may more contribute to the increased risk of osteoporotic fractures in patients with type 2 diabetes than bone mass. Hip geometry, cortical porosity, and trabecular bone score have been studied as bone quality parameters by imaging in type 2 diabetes mellitus.
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Affiliation(s)
- Yong Jun Choi
- Department of Endocrinology and Metabolism, Ajou University School of Medicine, Suwon, South Korea
| | - Yoon-Sok Chung
- Department of Endocrinology and Metabolism, Ajou University School of Medicine, Suwon, South Korea
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Gong J, Tang M, Guo B, Shang J, Tang Y, Xu H. Sex- and age-related differences in femoral neck cross-sectional structural changes in mainland Chinese men and women measured using dual-energy X-ray absorptiometry. Bone 2016; 83:58-64. [PMID: 26475501 DOI: 10.1016/j.bone.2015.09.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2015] [Revised: 07/05/2015] [Accepted: 09/29/2015] [Indexed: 11/23/2022]
Abstract
We investigated age-related changes in estimated bone strength and cross-sectional structure of the femoral neck (FN) in mainland Chinese men and women (according to age and sex) using dual-energy X-ray absorptiometry (DXA). A total of 3855 healthy adults (2713 women, 1142 men; ages 25-91years) were analyzed by FN bone mineral density (BMD) assessment and hip structural/strength analysis (HSA), including cross-sectional moment of inertia (CSMI), cross-sectional area (CSA), section modulus (Z), periosteal diameter (PD), endocortical diameter (ED), and cortical thickness (CT) using DXA. HSA differences between age and sex groups were adjusted for body weight, height and FN BMD. Trends according to age were estimated by linear regression analysis. There was no inverse correlation between HSA parameters and age in young adults. Some HSA parameters (CSMI, CSA, Z, CT) decreased significantly with age, whereas PD and ED increased significantly. Older adults had less estimated bone strength and CT and higher PD and ED (p<0.05) than young adults. Men had greater increases in PD and ED than women across all ages. FN strength decreases with age in both sexes, caused by FN cross-sectional structural deterioration. Indirect comparison of our data with those from other populations showed less age-related FN periosteal apposition in Chinese than Caucasian men, but similar amounts in women. This may partly explain different male/female hip fracture rates among ethnic groups. Chinese men have more structural disadvantages regarding FN geometry during aging than Caucasian men, possibly conferring added susceptibility to hip fracture.
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Affiliation(s)
- Jian Gong
- Department of Nuclear Medicine, The First Affiliated Hospital, Jinan University, Guangzhou, China
| | - Min Tang
- Department of Ophthalmology, Guangdong Second Traditional Chinese Medicine Hospital, Guangzhou, China
| | - Bin Guo
- Department of Nuclear Medicine, The First Affiliated Hospital, Jinan University, Guangzhou, China
| | - JingJie Shang
- Department of Nuclear Medicine, The First Affiliated Hospital, Jinan University, Guangzhou, China
| | - Yongjin Tang
- Department of Nuclear Medicine, The First Affiliated Hospital, Jinan University, Guangzhou, China
| | - Hao Xu
- Department of Nuclear Medicine, The First Affiliated Hospital, Jinan University, Guangzhou, China.
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Lam FMH, Pang MYC. Correlation between tibial measurements using peripheral quantitative computed tomography and hip areal bone density measurements in ambulatory chronic stroke patients. Brain Inj 2015; 30:199-207. [DOI: 10.3109/02699052.2015.1090625] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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