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https://www.readbyqxmd.com/read/28213865/location-of-vertebral-fractures-is-associated-with-bone-mineral-density-and-history-of-traumatic-injury
#1
Jennifer Watt, Richard Crilly
The upper and lower thoracolumbar spine have been associated with different biomechanical outcomes. This concept, as it applies to osteoporotic fracture risk, has not been well documented. This was a case-control study of 120 patients seen in an osteoporosis clinic. Vertebral fractures were identified from lateral radiographs using Genant's semi-quantitative assessment method. An association between bone mineral density (BMD) T-scores and vertebral fracture location was assessed. In an additional analysis, the association between a history of any traumatic injury and possible predictor variables was also explored...
February 17, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/28213193/anterior-surgical-fixation-for-cervical-spine-flexion-distraction-injuries
#2
Andrew Jack, Godefroy Hardy-St-Pierre, Mitchell Wilson, Godwin Choy, Richard Fox, Andrew Nataraj
BACKGROUND: Optimal surgical management for flexion-distraction cervical spine injuries remains controversial with current guidelines recommending anterior, posterior, and circumferential approaches. Here, we determined the incidence of and examined risk factors for clinical and radiographic failure in patients with one segment cervical distraction injuries having undergone anterior surgical fixation. METHODS: A retrospective review of 57 consecutive patients undergoing anterior fixation for subaxial flexion-distraction cervical injuries between 2008-2012 at our institution was performed...
February 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28212898/low-serum-iron-is-associated-with-high-serum-intact-fgf23-in-elderly-men-the-swedish-mros-study
#3
Catharina Lewerin, Östen Ljunggren, Herman Nilsson-Ehle, Magnus K Karlsson, Hans Herlitz, Mattias Lorentzon, Claes Ohlsson, Dan Mellström
BACKGROUND: Fibroblast growth factor (FGF23) is a protein that is produced by osteoblasts and osteocytes. Increased serum levels of FGF23 have been associated with increased risks of osteoporotic fractures and cardiovascular disease, particularly in participants with poor renal function. Serum iron (Fe) has been suggested as a regulator of FGF23 homeostasis. OBJECTIVE: To determine whether Fe and iron status are determinants of the levels of intact FGF23 (iFGF23) in elderly men...
February 14, 2017: Bone
https://www.readbyqxmd.com/read/28205378/chronic-low-back-pain-and-its-association-with-lumbar-vertebrae-and-intervertebral-disc-changes-in-adults-a-case-control-study
#4
Aranjan L Karunanayake, Arunasalam Pathmeswaran, Lalith S Wijayaratne
AIM: This study was done to determine the association between chronic low back pain and vertebral fractures, intervertebral disc space (IDS) narrowing, vertebral osteophytes and spondylolisthesis among adults. METHOD: This case control study was done in Sri Lanka. Cases were patients with low back pain and controls were without low back pain. Postero-anterior and lateral radiographs of lumbar sacral spine of both groups were studied. To detect vertebral fractures in fourth and fifth lumbar vertebrae, anterior and posterior heights of vertebrae were measured using a Vernier caliper and antero-posterior ratio (A/P) was calculated...
February 16, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28203179/malignant-phyllodes-tumor-presenting-in-bone-brain-lungs-and-lymph-nodes
#5
Eric D Johnson, Evin Gulbahce, Joseph McNally, Saundra S Buys
INTRODUCTION: Phyllodes tumors (PTs) are rare fibroepithelial tumors of the breast which are classified as benign, borderline, or malignant. Malignant PTs account for <1% of malignant breast tumors, and borderline tumors have potential to progress to malignant tumors. Metastatic recurrences are most commonly documented in bone and lungs. We report an extremely rare presentation of recurrent malignant PTs involving the brain, lung, lymph nodes, and bone. CASE: A 66-year-old female presented with a large breast mass...
September 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/28197890/relationships-among-diet-physical-activity-and-dual-plane-dual-energy-x-ray-absorptiometry-bone-outcomes-in-pre-pubertalgirls
#6
Jie Ren, Lynn S Brann, Kay S Bruening, Tamara A Scerpella, Jodi N Dowthwaite
: In pre-pubertal girls, nutrient intakes and non-aquatic organized activity were evaluated as factors in vertebral body bone mass, structure, and strength. Activity, vitamin B12, and dietary fiber predicted bone outcomes most consistently. Exercise and vitamin B12 appear beneficial, whereas high fiber intake appears to be adverse for vertebral body development. PURPOSE: Childhood development sets the baseline for adult fracture risk. Most studies evaluate development using postero-anterior (PA) dual-energy X-ray absorptiometry (DXA) areal bone mineral density, bone mineral content, and bone mineral apparent density...
December 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/28196468/posterior-pedicle-screw-fixation-to-treat-lower-cervical-fractures-associated-with-ankylosing-spondylitis-a-retrospective-study-of-35-cases
#7
Liang Yan, Zhenguo Luo, Baorong He, Jijun Liu, Dingjun Hao
BACKGROUND: The most common site of fractures in patients with ankylosing spondylitis (AS) is the cervical spine, especially the lower cervical spine and cervicothoracic junction. The optimal treatment for cervical spine fractures secondary to AS is controversial. This study aimed to explore the effects of posterior pedicle screw fixation alone on fractures of the lower cervical spine in patients with AS. METHODS: From January 2006 to January 2013, a total of 35 patients with AS and a lower cervical spine fracture were treated using only posterior cervical/thoracic pedicle screw fixation...
February 14, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28187475/concomitant-sternal-fracture-in-flail-chest-an-analysis-of-21-741-polytrauma-patients-from-the-traumaregister-dgu%C3%A2
#8
Stefan Schulz-Drost, Sebastian Krinner, Andreas Langenbach, Pascal Oppel, Rolf Lefering, Dominic Taylor, Friedrich F Hennig, Andreas Mauerer
Background Isolated sternal fractures (SFs) rarely show complications, but their influence in a thorax trauma of the seriously injured still remains unclear. Methods A retrospective analysis of the TraumaRegister DGU(®) was performed involving the years 2009 to 2013 (Injury Severity Score [ISS] ≥ 16, primary admission to a trauma center). Cohort formation: Unilateral and bilateral flail chest (FC) injuries with and without a concomitant SF, respectively. Results In total, 21,741 patients (25% female) met the inclusion criteria, with 3,492 (16...
February 10, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/28186942/use-of-combination-therapy-in-the-treatment-of-primary-osteoporosis-protocol-for-a-network-meta-analysis-of-randomised-trials
#9
Shenghan Lou, Houchen Lv, Yuxiang Chen, Licheng Zhang, Peifu Tang
INTRODUCTION: The existing medications approved for treatment of primary osteoporosis can be divided into antiresorptive drugs and anabolic drugs. According to the mechanisms of action, the combined therapy may produce a synergistic effect on bone mineral density (BMD) compared with monotherapy, and thus improves the efficacy of fracture resistance. This network meta-analysis aims to compare the efficacies of different combined methods for the treatment of primary osteoporosis. METHODS AND ANALYSIS: MEDLINE, EMBASE and Cochrane databases will be searched to identify all randomised controlled trials (RCTs) and quasi-RCTs that evaluate the effectiveness of combined therapy versus monotherapy for primary osteoporosis...
November 8, 2016: BMJ Open
https://www.readbyqxmd.com/read/28183835/benign-spine-lesions-advances-in-techniques-for-minimally-invasive-percutaneous-treatment
#10
REVIEW
A Tomasian, A N Wallace, J W Jennings
Minimally invasive percutaneous imaging-guided techniques have been shown to be safe and effective for the treatment of benign tumors of the spine. Techniques available include a variety of tumor ablation technologies, including radiofrequency ablation, cryoablation, microwave ablation, alcohol ablation, and laser photocoagulation. Vertebral augmentation may be performed after ablation as part of the same procedure for fracture stabilization or prevention. Typically, the treatment goal in benign spine lesions is definitive cure...
February 9, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28181695/later-age-at-onset-of-independent-walking-is-associated-with-lower-bone-strength-at-fracture-prone-sites-in-older-men
#11
Alex Ireland, Stella Muthuri, Joern Rittweger, Judith E Adams, Kate A Ward, Diana Kuh, Rachel Cooper
Later age at onset of independent walking is associated with lower leg bone strength in childhood and adolescence. However it is unknown whether these associations persist into older age, or whether they are evident at axial (central) or upper limb sites. Therefore we examined walking age obtained at 2y and bone outcomes obtained by dual-energy X-ray absorptiometry (DXA) and peripheral quantitative computed tomography (pQCT) scans at 60-64y in a nationally-representative cohort study of British people, the MRC National Survey of Health and Development...
February 9, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28181426/site-specific-difference-of-bone-geometry-indices-in-hypoparathyroid-patients
#12
Hye Sun Park, Da Hea Seo, Yumie Rhee, Sung Kil Lim
BACKGROUND: Hypoparathyroid patients often have a higher bone mineral density (BMD) than the general population. However, an increase in BMD does not necessarily correlate with a solid bone microstructure. This study aimed to evaluate the bone microstructure of hypoparathyroid patients by using hip structure analysis (HSA). METHODS: Ninety-five hypoparathyroid patients >20 years old were enrolled and 31 of them had eligible data for analyzing bone geometry parameters using HSA...
February 8, 2017: Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28179169/vertebral-bone-marrow-fat-bone-mineral-density-and-diabetes-the-osteoporotic-fractures-in-men-mros-study
#13
Yahtyng Sheu, Francesca Amati, Ann V Schwartz, Michelle E Danielson, Xiaojuan Li, Robert Boudreau, Jane A Cauley
Elevated vertebral bone marrow fat (BMF) among individuals with osteoporosis has been established in histomorphometric studies. Several studies have found a negative correlation between BMF and bone mineral density (BMD) at the spine in men and women across different age groups. Animal studies have also observed bone loss with increased BMF in mice with induced diabetes. Our study objective was to test the hypothesis that the association between BMF and BMD varies by diabetic status. We performed a cross-sectional study of 156 men aged 74-96years from the Osteoporotic Fractures in Men (MrOS) study at the Pittsburgh clinical site...
February 4, 2017: Bone
https://www.readbyqxmd.com/read/28177150/commentary-the-skeleton-is-a-storehouse-of-mineral-that-is-plundered-during-lactation-and-fully-replenished-afterwards
#14
Christopher S Kovacs
During lactation, mammals resorb mineral from the maternal skeleton to provide calcium to milk. Rodents lose 25-35% of skeletal ash weight, ash calcium content, and bone mineral content by DXA, and have compromised material properties of bone, as assessed by crushing vertebrae and 3-pt bend tests of femora or tibiae. The strength, stiffness, and toughness of vertebrae, femora, and tibiae are reduced by as much as 60%. The effects of lactation are not uniform throughout the skeleton, but instead resorption is much more marked in the trabecular-rich spine than in the appendicular skeleton or whole body...
February 8, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28177140/serum-phosphate-is-associated-with-fracture-risk-the-rotterdam-study-and-mros
#15
N Campos-Obando, W N H Koek, E R Hooker, B C J van der Eerden, H A Pols, A Hofman, J P T M van Leeuwen, A G Uitterlinden, C M Nielson, M C Zillikens
Extreme phosphate levels (P) have been associated with mineralization defects and increased fracture risk. Whether P within normal range is related to bone health in the general population is not well understood. To investigate the association of P with bone mineral density (BMD) and fracture risk, we assessed two population-based cohorts: the Dutch Rotterdam Study (RS-I, RS-II, RS-III; n = 6791) and the US Osteoporotic Fractures in Men (MrOS; n = 5425) study. The relationship of P with lumbar spine (LS) and femoral neck (FN) BMD was tested in all cohorts via linear models; fracture risk was tested in RS-I, RS-II and MrOS through Cox models, after follow-up of 8...
February 8, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28175980/spine-fracture-prevalence-in-a-nationally-representative-sample-of-us-women-and-men-aged-%C3%A2-40-years-results-from-the-national-health-and-nutrition-examination-survey-nhanes-2013-2014
#16
F Cosman, J H Krege, A C Looker, J T Schousboe, B Fan, N Sarafrazi Isfahani, J A Shepherd, K D Krohn, P Steiger, K E Wilson, H K Genant
: Spine fracture prevalence is similar in men and women, increasing from <5 % in those <60 to 11 % in those 70-79 and 18 % in those ≥80 years. Prevalence was higher with age, lower bone mineral density (BMD), and in those meeting criteria for spine imaging. Most subjects with spine fractures were unaware of them. INTRODUCTION: Spine fractures have substantial medical significance but are seldom recognized. This study collected contemporary nationally representative spine fracture prevalence data...
February 7, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28167249/how-are-adjacent-spinal-levels-affected-by-vertebral-fracture-and-by-vertebroplasty-a-biomechanical-study-on-cadaveric-spines
#17
Jin Luo, Deborah J Annesley-Williams, Michael A Adams, Patricia Dolan
BACKGROUND CONTEXT: Spinal injuries and surgery may have important effects at neighbouring spinal levels, but previous investigations of adjacent-level biomechanics have produced conflicting results. We use 'stress profilometry' and non-contact strain measurements to investigate thoroughly this long-standing problem. PURPOSE: To determine how vertebral fracture and vertebroplasty affect compressive load-sharing and vertebral deformations at adjacent spinal levels...
February 3, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28163861/cost-effectiveness-of-zoledronic-acid-to-prevent-and-treat-postmenopausal-osteoporosis-in-comparison-with-routine-medical-treatment
#18
Fateme Rostami Golmohamdi, Mahnaz Abbasi, Ali Kazemi Karyani, Ali Akbari Sari
INTRODUCTION: Fractures caused by osteoporosis are prevalent among elderly females, which reduce quality of life significantly. This study aimed at comparing cost-effectiveness of Zoledronic acid in preventing and treating post-menopause osteoporosis as compared with routine medical treatment. METHODS: This cost-effectiveness study was carried out retrospectively from the Ministry of Health and insurance organizations perspective. Costs were evaluated based on the cost estimation of a sample of patients...
December 2016: Electronic Physician
https://www.readbyqxmd.com/read/28161223/genetic-polymorphisms-in-the-esr1-and-vdr-genes-do-not-correlate-with-osteoporosis-in-patients-with-familial-dysautonomia
#19
David Cheishvili, Channa Maayan, Daniel M Sapozhnikov, Elad Lax, Rivka Dresner-Pollak
One of the major clinical manifestations of familial dysautonomia (FD)-a rare, neurodegenerative, autosomal-recessive disorder-is a high incidence and early onset of osteoporotic bone fractures. Early diagnosis is essential to initiate preventative therapy in at-risk patients and thus improve quality of life. However, the current lack of understanding of the complex relationship between FD and osteoporosis etiology precludes early diagnosis, and as such, accurate predictors of osteoporosis development in FD patients remain to be determined...
February 1, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28161119/monthly-oral-ibandronate-reduces-bone-loss-in-korean-women-with-rheumatoid-arthritis-and-osteopenia-receiving-long-term-glucocorticoids-a-48-week-double-blinded-randomized-placebo-controlled-investigator-initiated-trial
#20
Kichul Shin, Sung-Hwan Park, Won Park, Han Joo Baek, Yun Jong Lee, Seong Wook Kang, Jung-Yoon Choe, Wan-Hee Yoo, Yong-Beom Park, Jung-Soo Song, Seung-Geun Lee, Bin Yoo, Dae-Hyun Yoo, Yeong Wook Song
PURPOSE: Our aim was to investigate the efficacy of monthly oral ibandronate in Korean women with rheumatoid arthritis and reduced bone mineral density (BMD) receiving long-term glucocorticoids. METHODS: Patients (n = 167 women) were randomly assigned (1:1) to receive ibandronate 150 mg or placebo every 4 weeks. Patients had taken glucocorticoid (equivalent of daily prednisolone ≥5 mg) for 3 or more consecutive months before enrollment, and had a lumbar spine 1 to 4 (L1-L4) T-score of < -1...
February 1, 2017: Clinical Therapeutics
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