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Loss in spine height

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https://www.readbyqxmd.com/read/28892125/novel-spondyloepimetaphyseal-dysplasia-due-to-ufsp2-gene-mutation
#1
M Di Rocco, M Rusmini, F Caroli, A Madeo, M Bertamino, G Marre-Brunenghi, I Ceccherini
Beukes Hip Dysplasia is an autosomal dominant disease which has to date been described only in a large South African family of Dutch origin. The patients presented with progressive epiphyseal dysplasia limited to femoral capital epiphysis and their height was not significantly reduced. A unique variant of the ubiquitin-fold modifier 1 (Ufm1)-specific peptidase 2 (UFSP2) gene (c.868T>C) has been reported in all individuals from Beukes family with clinical and radiological diagnosis of Beukes Hip Dysplasia...
September 11, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28822738/a-study-of-the-damage-behaviour-of-porcine-intervertebral-discs-in-a-bioreactor-environment
#2
M Azarnoosh, M Stoffel, B Markert
The intervertebral discs are cartilaginous, articulating structures that lie between vertebral bodies, allowing flexibility, transmission, modification, and also distribution of the forces to the spinal column. Disc degeneration is characterised by progressive loss of disc height and exaggerated radial bulging. Therefore, the spine becomes shorter, stiffer, and less mobile. In the last several decades, there is a strong need for a tissue engineering strategy that alleviates pain and restores spine function by directly addressing the underlying biological causes of disc degeneration...
August 9, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28816975/incidence-and-risk-factors-of-posterior-cage-migration-following-decompression-and-instrumented-fusion-for-degenerative-lumbar-disorders
#3
Hua Li, Hui Wang, Yanbo Zhu, Wenyuan Ding, Qian Wang
The aim of this study was to explore the incidence and risk factors for posterior cage migration (PCM) following decompression and instrumented fusion for degenerative lumbar disorders, and hope to provide references in decision making and surgical planning for spine surgeons.By retrieving the medical records from January 2011 to December 2015, 286 patients were retrospectively reviewed. According to the occurrence of PCM, patients were divided into 2 groups: PCM group and non-PCM (N-PCM). To investigate risk values for PCM, 3 categorized factors were analyzed statistically: patient characteristics: age, sex, body mass index, bone mineral density, duration of disease, diagnosis, comorbidity, smoke; surgical variables: surgery time, blood loss, surgical strategy, cage morphology, cage size, surgical segment, fusion number, source of bone graft, surgeon experience; radiographic parameters: preoperative lumbar lordosis, correction of lumbar lordosis, preoperative lumbar mobility, preoperative intervertebral height, change of intervertebral height, Modic changes, paraspinal muscle degeneration...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28781229/height-loss-was-associated-with-osteoporosis-in-korean-elderly-men-not-in-women-the-korea-national-health-and-nutrition-examination-survey-2008-2010
#4
Kyung-Sik Ahn, Chang Ho Kang, Sung Bum Cho, Kyung-Hwan Cho, Kyung-Do Han, Yong-Gyu Park, Yang-Hyun Kim
The degree of height loss varies among individuals, and excessive height loss can be a vertebral fracture or bone loss manifestation. The objective of this study was to examine the relationships between height loss and bone mineral density (BMD) and to assess the prevalence of osteoporosis according to the height loss quartiles. Data from the Korea National Health and Nutrition Examination Survey were analyzed. A total of 2799 participants more than 60 years old were included and subdivided into quartiles according to height loss (Q1-Q4)...
August 3, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28778055/the-effect-of-the-ketogenic-diet-on-the-developing-skeleton
#5
Peter J Simm, Jillian Bicknell-Royle, Jock Lawrie, Judy Nation, Kellie Draffin, Karen G Stewart, Fergus J Cameron, Ingrid E Scheffer, Mark T Mackay
The ketogenic diet (KD) is a medically supervised, high fat, low carbohydrate and restricted protein diet which has been used successfully in patients with refractory epilepsy. Only one published report has explored its effect on the skeleton. We postulated that the KD impairs skeletal health parameters in patients on the KD. Patients commenced on the KD were enrolled in a prospective, longitudinal study, with monitoring of Dual-energy X-ray absorptiometry (DXA) derived bone parameters including bone mineral content and density (BMD)...
July 26, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28719551/annulus-fibrosus-repair-using-high-density-collagen-gel-an-in-vivo-ovine-model
#6
Brenton Pennicooke, Ibrahim Hussain, Connor Berlin, Stephen R Sloan, Brandon Borde, Yu Moriguchi, Gernot Lang, Rodrigo Navarro-Ramirez, Jonathan Cheetham, Lawrence J Bonassar, Roger Härtl
STUDY DESIGN: Ovine in vivo study. OBJECTIVE: To perform lateral approach lumbar surgery in an ovine model to administer an injectable riboflavin (RF) cross-linked high-density collagen (HDC) gel and to assess its ability to mitigate intervertebral disc (IVD) degeneration after induced annulus fibrosus (AF) injury. SUMMARY OF BACKGROUND DATA: Biological-based injectable gels have shown efficacy in restoring biomechanical, radiographic, and histological parameters in IVD-injured animal models...
July 17, 2017: Spine
https://www.readbyqxmd.com/read/28719143/osteoporotic-vertebral-fracture-prevalence-varies-widely-between-qualitative-and-quantitative-radiological-assessment-methods-the-rotterdam-study
#7
Ling Oei, Fjorda Koromani, Stephan J Breda, John T Schousboe, Emma M Clark, Joyce Bj van Meurs, M Arfan Ikram, Jan H Waarsing, Frank Ja van Rooij, Maria C Zillikens, Gabriel P Krestin, Edwin Hg Oei, Fernando Rivadeneira
Accurate diagnosis of vertebral osteoporotic fractures is crucial for the identification of individuals at high risk of future fractures. Different methods for radiological assessment of vertebral fractures exist, but a gold standard is lacking. The aim of our study was to estimate statistical measures of agreement and prevalence of osteoporotic vertebral fractures in the population-based Rotterdam Study, across two assessment methods. The quantitative morphometry assisted by SpineAnalyzer® (QM SA) method evaluates vertebral height loss that affects vertebral shape whereas the algorithm-based qualitative (ABQ) method judges endplate integrity and includes guidelines for the differentiation of vertebral fracture and nonfracture deformities...
July 18, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28694597/management-of-cervical-monoradiculopathy-due-to-prolapsed-intervertebral-disc-an-institutional-experience
#8
Amresh S Bhaganagare, S A Nagesh, B G Shrihari, Vikas Naik, M N Nagarjun, Balaji S Pai
BACKGROUND: Cervical radiculopathy is the common clinical entity, often caused by "wear and tear" changes that occur in the spine. In the younger population, cervical radiculopathy is a result of a disc herniation or an acute injury causing foraminal impingement of an exiting nerve, whereas in the older individuals, it is due to foraminal narrowing from osteophyte formation, decreased disc height, and degenerative changes of the uncovertebral joints anteriorly and of the facet joints posteriorly...
April 2017: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/28678108/the-role-of-minimally-invasive-vertebral-body-stent-on-reduction-of-the-deflation-effect-after-kyphoplasty-a-biomechanical-study
#9
Dalin Wang, Shengnai Zheng, An Liu, Jie Xu, Xiaotao Du, Yijin Wang, Liming Wang
STUDY DESIGN: Biomechanical investigation using cadaver spines. OBJECTIVE: The aim of the current study was to assess the magnitude of the deflation effect after balloon kyphoplasty (BKP) or use of minimal invasive vertebral body stent (MIVBS) in in vitro biomechanical condition. SUMMARY OF BACKGROUND DATA: Balloon kyphoplasty (BKP) is a well-established minimally invasive treatment option for osteoporotic vertebral compression fractures. However, this technique can lead to a secondary height loss-known as the "deflation effect" -causing intrasegmental kyphosis and an overall alignment failure...
July 3, 2017: Spine
https://www.readbyqxmd.com/read/28648000/-study-on-feasibility-of-enhanced-recovery-after-surgery-combined-with-mobile-microendoscopic-discectomy-transforaminal-lumbar-interbody-fusion-in-the-treatment-of-lumbar-spondylolisthesis
#10
C H Zhang, B S Yan, B S Xu, X L Ma, Q Yang, Y Liu, G M Song, R M Hu, P Li
Objective: To explore the feasibility of enhanced recovery after surgery (ERAS) combined with mobile microendoscopic discectomy-transforaminal lumbar interbody fusion (MMED-TLIF) in the treatment of lumbar spondylolisthesis and its influence on postoperative rehabilitation. Methods: From October 1 2014 to July 1 2016 , a cohort of 52 patients with lumbar spondylolisthesis who received the program of ERAS-MMED-TLIF were retrospectively reviewed in Department of Minimally Invasive Spine Surgery, Tianjin Hospital...
June 20, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28645289/degenerative-changes-of-the-canine-cervical-spine-after-discectomy-procedures-an-in-vivo-study
#11
Peter Grunert, Yu Moriguchi, Brian P Grossbard, Rodolfo J Ricart Arbona, Lawrence J Bonassar, Roger Härtl
BACKGROUND: Discectomies are a common surgical treatment for disc herniations in the canine spine. However, the effect of these procedures on intervertebral disc tissue is not fully understood. The objective of this study was to assess degenerative changes of cervical spinal segments undergoing discectomy procedures, in vivo. RESULTS: Discectomies led to a 60% drop in disc height and 24% drop in foraminal height. Segments did not fuse but showed osteophyte formation as well as endplate sclerosis...
June 23, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28589417/bone-loss-with-antiepileptic-drug-therapy-a-twin-and-sibling-study
#12
B Shiek Ahmad, S J Petty, A Gorelik, T J O'Brien, K D Hill, J J Christie, P N Sambrook, J D Wark
Changes in areal bone mineral density (aBMD) and other predictors of bone loss were evaluated in 48 same-sex twin/age-matched sibling pairs discordant for antiepileptic drug (AED) use. AED users had reduced BMD at the hip regions. Prolonged AED users had greater aBMD loss, predicting a higher risk of bone fragility. INTRODUCTION: To investigate the longitudinal associations of bone mineral measures with antiepileptic drug (AED) use, including enzyme-inducing (EIAED) and non-enzyme-inducing (NEIAED) types, and other predictors of bone loss in a study of 48 same-sex twin/age-matched sibling pairs (40 female, 8 male) discordant for AED use...
June 6, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28571219/bi-pedicle-fixation-of-affected-vertebra-in-thoracolumbar-burst-fracture
#13
Pravin Padalkar, Varshil Mehta
INTRODUCTION: Burst fractures of the spine account for 14% of all spinal injuries and more than 50% of all thoracolumbar trauma. However, there is ambiguity while choosing the right treatment plan. Short Segment Pedicle screw Fixation (SSPF) has become an increasingly popular method of treatment of thoracolumbar burst fractures, providing the advantage of incorporating fewer motion segments in the fixation. Various biomechanical studies showed that the use of pedicle screws could achieve stable construct within short-segment fixation...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28561274/statistical-shape-modelling-of-hip-and-lumbar-spine-morphology-and-their-relationship-in-the-mrc-national-survey-of-health-and-development
#14
Anastasia V Pavlova, Fiona R Saunders, Stella G Muthuri, Jennifer S Gregory, Rebecca J Barr, Kathryn R Martin, Rebecca J Hardy, Rachel Cooper, Judith E Adams, Diana Kuh, Richard M Aspden
The anatomical shape of bones and joints is important for their proper function but quantifying this, and detecting pathological variations, is difficult to do. Numerical descriptions would also enable correlations between joint shapes to be explored. Statistical shape modelling (SSM) is a method of image analysis employing pattern recognition statistics to describe and quantify such shapes from images; it uses principal components analysis to generate modes of variation describing each image in terms of a set of numerical scores after removing global size variation...
August 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28560474/vertebral-fracture-in-postmenopausal-chinese-women-a-population-based-study
#15
L Cui, L Chen, W Xia, Y Jiang, L Cui, W Huang, W Wang, X Wang, Y Pei, X Zheng, Q Wang, Z Ning, M Li, O Wang, X Xing, Q Lin, W Yu, X Weng, L Xu, S R Cummings
In a random sample of postmenopausal Chinese women, the prevalence of radiographic vertebral fractures increased from 13% between ages 50 and 59 to over 50% after age 80 years. A model with seven clinical risk factors predicted the probability of vertebral fractures as well with as without BMD and better than a model with only three risk factors. More than half an hour of outdoor activity per day might correlate with lower risk of vertebral fracture in this population. INTRODUCTION: We aimed to describe the prevalence and develop a model for prediction of radiographic vertebral fractures in a large random sample of postmenopausal Chinese women...
May 30, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28506798/evaluation-of-a-semi-automated-software-program-for-the-identification-of-vertebral-fractures-in-children
#16
F F Alqahtani, F Messina, E Kruger, H Gill, M Ellis, I Lang, P Broadley, A C Offiah
AIM: To assess observer reliability and diagnostic accuracy in children, of a semi-automated six-point technique developed for vertebral fracture (VF) diagnosis in adults, which records percentage loss of vertebral body height. MATERIALS AND METHODS: Using a semi-automated software program, five observers independently assessed T4 to L4 from the lateral spine radiographs of 137 children and adolescents for VF. A previous consensus read by three paediatric radiologists using a simplified algorithm-based qualitative technique (i...
October 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28505960/normal-aging-of-the-lumbar-spine-in-women
#17
Hulya Kurtul Yildiz, Elif Evrim Ekin
BACKGROUND: Lumbar lordosis is required for bipedalism. OBJECTIVES: To investigate age-related changes in lumbar lordosis and to clarify the relationships between lumbar lordosis and vertebral wedging and disc degeneration. METHODS: A total of 300 women were included in this retrospective study, 50 in each of six age groups (20-, 30-, 40-, 50-, 60- and 70-year-olds). Patients with vertebral collapse, instable fracture or disc sequestration were excluded...
May 5, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/28501720/characterization-and-restoration-of-degenerated-ivd-function-with-an-injectable-in-situ-gelling-alginate-hydrogel-an-in-vitro-and-ex-vivo-study
#18
Emily A Growney Kalaf, Meghana Pendyala, J Gary Bledsoe, Scott A Sell
Intervertebral disc (IVD) degeneration is a naturally, irreparable process that causes loss in IVD hydration, cellularity, and, mechanical stability. Invasive surgical attempts to ease back pain and, radiculopathy have shown to cause increased degeneration along the rest, of the spine. Due to its highly tunable mechanical and degradation, properties, alginate is a viable option for a less-invasive injectable, repair for IVD degeneration. This study centers on the characterization, of in situ gelling alginate and subsequent injection into enzymatically, degraded motion segments...
August 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28454529/association-of-vertebral-compression-fractures-with-physical-performance-measures-among-community-dwelling-japanese-women-aged-40%C3%A2-years-and-older
#19
Kazuhiko Arima, Yasuyo Abe, Takayuki Nishimura, Takuhiro Okabe, Yoshihito Tomita, Satoshi Mizukami, Mitsuo Kanagae, Kiyoshi Aoyagi
BACKGROUND: Numerous reported studies have shown that vertebral compression fractures are associated with impaired function or disability; however, few examined their association with objective measures of physical performance or functioning. METHODS: We examined the association of vertebral compression fractures with physical performance measures in 556 Japanese women aged 40-89 years. Lateral spine radiographs were obtained and radiographic vertebral compression fractures were assessed by quantitative morphometry, defined as vertebral heights more than 3 SD below the normal mean...
April 28, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28451858/biomechanical-in-vitro-comparison-of-radiofrequency-kyphoplasty-and-balloon-kyphoplasty
#20
Gerhard Achatz, Hans-Joachim Riesner, Benedikt Friemert, Raimund Lechner, Nicolas Graf, Hans-Joachim Wilke
PURPOSE: Balloon kyphoplasty (BK) has emerged as a popular method for treating osteoporosis vertebral compression fractures (OVCFs). In response to several shortcomings of BK, alternative methods have been introduced, among which is radiofrequency kyphoplasty (RFK). Biomechanical comparisons of BK and RFK are very sparse. The purpose of this study was to perform a biomechanical study in which BK and RFK are compared. METHODS: Each of the two study groups comprised six specimens prepared from two functional spinal units (FSUs) cut from fresh-frozen cadaveric spines (3 of T9-T11 and 3 of T12-L2)...
April 27, 2017: European Spine Journal
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