journal
https://read.qxmd.com/read/38640618/progressive-generations-of-gpt-on-an-exam-designed-for-certifying-physicians-correspondence
#1
LETTER
Hinpetch Daungsupawong, Viroj Wiwanitkit
No abstract text is available yet for this article.
March 26, 2024: Journal of Clinical Densitometry
https://read.qxmd.com/read/38479135/estimating-lumbar-spine-least-significant-change-for-fewer-than-four-vertebrae-the-manitoba-bmd-registry
#2
JOURNAL ARTICLE
Harold Rosen, Auryan Szalat, William D Leslie
INTRODUCTION: The International Society of Clinical Densitometry recommends omitting lumbar vertebrae affected by structural artifact from spine BMD measurement. Since reporting fewer than 4 vertebrae reduces spine BMD precision, least significant change (LSC) needs to be adjusted upwards when reporting spine BMD change based on fewer than 4 vertebrae. METHODOLOGY: In order to simplify estimating LSC from combinations of vertebrae other than L1-L4 (denoted LSCL1-4 ), we analyzed 879 DXA spine scan-pairs from the Manitoba BMD Program's ongoing precision evaluation...
March 6, 2024: Journal of Clinical Densitometry
https://read.qxmd.com/read/38507866/sarcopenia-osteoporosis-in-obstructive-sleep-apnea-syndrome-beauty-lies-in-the-details
#3
LETTER
Ahmad J Abdulsalam, Mohammad A Abdulsalam, Murat Kara
No abstract text is available yet for this article.
March 5, 2024: Journal of Clinical Densitometry
https://read.qxmd.com/read/38447349/nonalcoholic-fatty-liver-disease-bone-and-muscle-quality-in-prolactinoma-a-pilot-study
#4
JOURNAL ARTICLE
İmdat Eroğlu, Burcin Gonul Iremli, Aysegul Erkoc, Ilkay S Idilman, Deniz Yuce, Ebru Calik Kutukcu, Deniz Akata, Tomris Erbas
OBJECTIVE: Hyperprolactinemia has negative impacts on metabolism and musculoskeletal health. In this study, individuals with active prolactinoma were evaluated for nonalcoholic fatty liver disease (NAFLD) and musculoskeletal health, which are underemphasized in the literature. METHODS: Twelve active prolactinoma patients and twelve healthy controls matched by age, gender, and BMI were included. Magnetic resonance imaging-proton density fat fraction (MRI-PDFF) was used to evaluate hepatic steatosis and magnetic resonance elastography (MRE) to evaluate liver stiffness measurement (LSM)...
February 22, 2024: Journal of Clinical Densitometry
https://read.qxmd.com/read/38402803/risk-of-sarcopenia-and-osteoporosis-in-elderly-male-patients-with-obstructive-sleep-apnea-syndrome-a-multicenter-study
#5
JOURNAL ARTICLE
Zhen Xue, Shengguan Song, Changan Hu, Shanglong Zhao, Juan Wang
The aim of this study was to assess the risk of sarcopenia and osteoporosis in elderly patients with obstructive sleep apnea syndrome (OSAS). We recruited both OSAS patients and non-OSAS subjects from multiple centers and evaluated their skeletal muscle index (SMI), bone mineral density (BMD), and inflammatory factors. All participants underwent polysomnography (PSG) testing, handgrip strength testing, chest CT, and dual-energy x-ray BMD testing. Based on the PSG diagnosis results, the participants were divided into a control group and an OSAS group...
February 17, 2024: Journal of Clinical Densitometry
https://read.qxmd.com/read/38401238/performance-of-progressive-generations-of-gpt-on-an-exam-designed-for-certifying-physicians-as-certified-clinical-densitometrists
#6
JOURNAL ARTICLE
Dustin Valdez, Arianna Bunnell, Sian Y Lim, Peter Sadowski, John A Shepherd
BACKGROUND: Artificial intelligence (AI) large language models (LLMs) such as ChatGPT have demonstrated the ability to pass standardized exams. These models are not trained for a specific task, but instead trained to predict sequences of text from large corpora of documents sourced from the internet. It has been shown that even models trained on this general task can pass exams in a variety of domain-specific fields, including the United States Medical Licensing Examination. We asked if large language models would perform as well on a much narrower subdomain tests designed for medical specialists...
February 17, 2024: Journal of Clinical Densitometry
https://read.qxmd.com/read/38422629/bone-health-echo-case-report-fractures-and-hypercalcemia-in-a-patient-with-stage-5-chronic-kidney-disease
#7
E Michael Lewiecki, Dale G Erickson, Roger W Gildersleeve
Bone Health ECHO (Extension for Community Healthcare Outcomes) is a virtual community of practice with the aim of enhancing global capacity to deliver best practice skeletal healthcare. The prototype program, established at the University of New Mexico, has been meeting online weekly since 2015, focusing on presentation and discussion of patient cases. These discussions commonly cover issues that are relevant to a broad range of patients, thereby serving as a force multiplier to improve the care of many patients...
February 15, 2024: Journal of Clinical Densitometry
https://read.qxmd.com/read/38342001/osteopenia-and-osteoporosis-screening-detection-calcaneal-quantitative-ultrasound-with-and-without-calibration-factor-comparison-to-gold-standard-dual-x-ray-absorptiometry
#8
JOURNAL ARTICLE
Nutthapong Moonkum, Thanat Withayanuluck, Arun Somarungsan, Naphondej Sichai, Arisa Wongsiri, Witchayada Chawkhaodin, Podjana Ruengdach, Pasinee Boonsuk, Marut Pukdeeyorng, Gunjanaporn Tochaikul
BACKGROUND: osteoporosis is a worldwide major health problem that normally diagnosed in advanced stages. So, an early detection at preclinical stage is now an interesting issue. A key factor to early diagnosis the disease is the used of noninvasive bone densitometry. Dual energy x-ray absorptiometry (DXA) is the gold standard techniques for the proposed. However, the high cost, non-widely available and exposed to ionizing radiation are still a drawback of the machine. Therefore, a cheaper, smaller and non-ionizing device such quantitative ultrasound (QUS) is now a favor alternative method, but the possibility of used QUS measurement instead of DXA is still limited due to their uncertainties...
January 27, 2024: Journal of Clinical Densitometry
https://read.qxmd.com/read/38325238/effect-of-calcium-and-vitamin-d-supplementation-dairy-vs-pharmacological-on-bone-health-of-underprivileged-indian-children-and-youth-with-type-1-diabetes-a-randomized-controlled-trial
#9
JOURNAL ARTICLE
Anuradha Khadilkar, Chirantap Oza, Misha Antani, Nikhil Shah, Nikhil Lohiya, Vaman Khadilkar, Shital Bhor, Neha Kajale, Ketan Gondhalekar, Chidvilas More, Tarun Reddy Katapally, Zulf Mughal, Jasmin Bhawra, Raja Padidela
BACKGROUND: Bone health is affected by chronic childhood disorders including type-1 diabetes mellitus (T1DM). We conducted this randomized controlled trial with the objective of investigating the effect of 1-year supplementation of vitamin-D with milk or with pharmacological calcium on bone mass accrual in underprivileged Indian children and youth with T1DM. METHODS: 5 to 23year old (n = 203) underprivileged children and youth with T1DM were allocated to one of three groups: Milk (group A-received 200 ml milk + 1000 international unit (IU) vitamin-D3/day), Calcium supplement (group B-received 500 mg of calcium carbonate + 1000 IU of vitamin-D3/day) or standard of care/control (group C)...
January 26, 2024: Journal of Clinical Densitometry
https://read.qxmd.com/read/38479134/development-and-validation-of-a-nomogram-model-for-individualizing-the-risk-of-osteopenia-in-abdominal-obesity
#10
JOURNAL ARTICLE
Gangjie Wu, Chun Lei, Xiaobing Gong
OBJECTIVE: This study was aimed to create and validate a risk prediction model for the incidence of osteopenia in individuals with abdominal obesity. METHODS: Survey data from the National Health and Nutrition Examination Survey (NHANES) database for the years 2013-2014 and 2017-2018 was selected and included those with waist circumferences ≥102 m in men and ≥88 cm in women, which were defined as abdominal obesity. A multifactor logistic regression model was constructed using LASSO regression analysis to identify the best predictor variables, followed by the creation of a nomogram model...
January 24, 2024: Journal of Clinical Densitometry
https://read.qxmd.com/read/38306807/cafeteria-diet-can-affect-bone-microarchitecture-in-sedentary-and-trained-male-rats
#11
JOURNAL ARTICLE
Marcio Koiti Saito, Beatriz Kawano de Oliveira, Ana Paula Macedo, Caio Sorrentino Dos Santos, Ricardo Tadeu Lopes, Jéssica Suzuki Yamanaka, Antonio Carlos Shimano
INTRODUCTION: Poor eating habits and a sedentary lifestyle can impair health. Regular physical activity improves the quality of life and is essential for bone health. Therefore, the present study aimed to evaluate the effects of the cafeteria diet on bone quality of sedentary and exercised rats. METHODS: Sixty young male Wistar rats were divided into six groups (n=10) according to diet composition and activity level, being: SD+CON, standard diet and control; SD+SED, standard diet and sedentary; SD+EX, standard diet and exercised; CD+CON, cafeteria diet and control; CD+SED, cafeteria diet and sedentary; CD+EX, cafeteria diet and exercised...
January 24, 2024: Journal of Clinical Densitometry
https://read.qxmd.com/read/38306806/3d-dxa-based-finite-element-modelling-for-femur-strength-prediction-evaluation-against-qct
#12
JOURNAL ARTICLE
Muhammad Qasim, Mirella López Picazo, Carlos Ruiz Wills, Jérôme Noailly, Silvana Di Gregorio, Luis Miguel Del Río Barquero, Jorge Malouf Sierra, Ludovic Humbert
Osteoporosis is characterised by the loss of bone density resulting in an increased risk of fragility fractures. The clinical gold standard for diagnosing osteoporosis is based on the areal bone mineral density (aBMD) used as a surrogate for bone strength, in combination with clinical risk factors. Finite element (FE) analyses based on quantitative computed tomography (QCT) have been shown to estimate bone strength better than aBMD. However, their application in the osteoporosis clinics is limited due to exposure of patients to increased X-rays radiation dose...
January 24, 2024: Journal of Clinical Densitometry
https://read.qxmd.com/read/38232655/dual-energy-x-ray-absorptiometry-does-not-confirm-validity-of-the-craig-s-test
#13
JOURNAL ARTICLE
Kelsey A Clark, Savannah Nielsen, Taylor Heywood, Camille Nguyen, Ulrike H Mitchell
The Craig's test is a clinical assessment used to quantify femoral version. The validity of the Craig's test has been called into question due to instances where the test exhibits relatively poor correlation with three-dimensional imaging. Our study purpose was to use dual-energy X-ray absorptiometry (DXA) to indirectly assess the validity of the Craig's test. Twenty-three volunteers (n = 46; each hip analyzed separately) received two hip DXA scans using two different methods of positioning. During the first scan, a standard-sized wedge, the conventional tool of hip positioning for DXA scans, was used to fixate the legs without regard for individual levels of femoral version...
January 9, 2024: Journal of Clinical Densitometry
https://read.qxmd.com/read/38228014/clinical-use-of-trabecular-bone-score-the-2023-iscd-official-positions
#14
REVIEW
Heenam Goel, Neil Binkley, Miranda Boggild, Wing P Chan, William D Leslie, Eugene McCloskey, Sarah L Morgan, Barbara C Silva, Angela M Cheung
Osteoporosis can currently be diagnosed by applying the WHO classification to bone mineral density (BMD) assessed by dual-energy x-ray absorptiometry (DXA). However, skeletal factors other than BMD contribute to bone strength and fracture risk. Lumbar spine TBS, a grey-level texture measure which is derived from DXA images has been extensively studied, enhances fracture prediction independent of BMD and can be used to adjust fracture probability from FRAX® to improve risk stratification. The purpose of this International Society for Clinical Densitometry task force was to review the existing evidence and develop recommendations to assist clinicians regarding when and how to perform, report and utilize TBS...
2024: Journal of Clinical Densitometry
https://read.qxmd.com/read/38183962/vertebral-fracture-risk-thresholds-from-phantom-less-quantitative-computed-tomography-based-finite-element-modeling-correlate-to-phantom-based-outcomes
#15
JOURNAL ARTICLE
Maria Prado, Sundeep Khosla, Hugo Giambini
INTRODUCTION: Osteoporosis indicates weakened bones and heightened fracture susceptibility due to diminished bone quality. Dual-energy x-ray absorptiometry is unable to assess bone strength. Volumetric bone mineral density (vBMD) from quantitative computed tomography (QCT) has been used to establish guidelines as equivalent measurements for osteoporosis. QCT-based finite element analysis (FEA) has been implemented using calibration phantoms to establish bone strength thresholds based on the established vBMD...
December 19, 2023: Journal of Clinical Densitometry
https://read.qxmd.com/read/38150889/quantitative-ct-evaluation-of-bone-mineral-density-in-the-thoracic-spine-on-18-f-fluorocholine-pet-ct-imaging-in-patients-with-primary-hyperparathyroidism
#16
JOURNAL ARTICLE
Erik T Te Beek, Chris P W van Duijnhoven, Riemer H J A Slart, Joop P van den Bergh, Marc R J Ten Broek
INTRODUCTION: Measurement of bone mineral density (BMD) with quantitative CT (QCT) carries several advantages over other densitometric techniques, including superior assessment of the spine. As most QCT studies evaluated the lumbar spine, measurements of the thoracic spine are limited. We performed QCT analysis of the thoracic spine in a cohort of patients with primary hyperparathyroidism. MATERIALS AND METHODS: This study was a retrospective QCT analysis of the thoracic spine on 18 F-fluorocholine PET/CT scans in patients with primary hyperparathyroidism patients between March 2018 and December 2022...
December 13, 2023: Journal of Clinical Densitometry
https://read.qxmd.com/read/38157729/two-pathological-fractures-in-a-patient-with-chronic-abnormalities-in-serum-markers-following-two-liver-transplantations-a-case-report-and-literature-review
#17
Feng Wang, Jia Gao, Zheng-Ye Wang, Tang-Bo Yuan, Da-Wei Cai, Hua Wan, Jian Qin
Bone disease is a common complication following liver transplantation, often overlooked in clinical practice. Clinical diagnosis of post-liver transplantation bone disease is challenging, and there have been few case report in the literature. This case report presents a patient who underwent two liver transplant surgeries, exhibited good daily activity, and did not display typical clinical symptoms such as fatigue, bone pain, or spinal deformities associated with prolonged sitting or standing. However, within the fifth year after the second liver transplant, the patient experienced two consecutive fractures...
December 12, 2023: Journal of Clinical Densitometry
https://read.qxmd.com/read/38134510/the-effect-of-a-compression-bandage-on-dual-energy-x-ray-absorptiometry-body-composition-scores
#18
JOURNAL ARTICLE
Yamileth Chacón-Araya, Elizabeth Carpio-Rivera, Andrea Quirós-Quirós, José Moncada-Jiménez
BACKGROUND: Dual-energy X-ray absorptiometry (DXA) measures are affected by the noise produced by external factors such as textile compression found in loose clothing. The study aimed to determine the effect of a compression bandage (CB) on body composition (BC) assessed by DXA. METHODS: Sixty volunteers (age=21.4±4.7yr.) underwent full-body DXA scans on a control (CTRL) condition and after wearing a 30-mmHg CB on the trunk, legs, and arms. ANOVA (2 genders by 2 experimental conditions) determined mean interactions in BC variables tissue body fat% (BF%), region body fat% (RBF%), body tissue (BT), fat mass (FM), lean mass (LM), bone mineral content (BMC), and total mass (TM)...
December 9, 2023: Journal of Clinical Densitometry
https://read.qxmd.com/read/38104525/fixed-and-relative-positioning-of-scans-for-high-resolution-peripheral-quantitative-computed-tomography
#19
JOURNAL ARTICLE
Annabel R Bugbird, Rachel E Klassen, Olivia L Bruce, Lauren A Burt, W Brent Edwards, Steven K Boyd
INTRODUCTION: High resolution peripheral quantitative computed tomography (HR-pQCT) imaging protocol requires defining where to position the ∼1 cm thick scan along the bone length. Discrepancies between the use of two positioning methods, the relative and fixed offset, may be problematic in the comparison between studies and participants. This study investigated how bone landmarks scale linearly with length and how this scaling affects both positioning methods aimed at providing a consistent anatomical location for scan acquisition...
December 9, 2023: Journal of Clinical Densitometry
https://read.qxmd.com/read/38128450/fracture-risk-with-modified-frax-in-men-living-with-hiv
#20
JOURNAL ARTICLE
Alline Peralta Castro, Kamylla Batista Brito, Thirza Damasceno Ramos Oliva, Isabella Mesquita Sfair Silva, Beatriz de Souza Kato, Gisele Alves Morikawa Caldeira, Flávia Marques Santos, Rosana Maria Feio Libonati
BACKGROUND: Aging of the HIV-infected population and prolonged use of ARTs, produced metabolic alterations, including increased fracture risk. FRAX is a validated, computer-based clinical fracture risk calculator which estimates 10-year risk of major fracture, and hip fracture. However may underestimate risk in HIV-infected individuals. Several experts recommend considering HIV a cause of secondary osteoporosis. METHODOLOGY: Were included 52 men living with HIV, classified as high, moderate and low risk using ABRASSO graphic tool...
December 7, 2023: Journal of Clinical Densitometry
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