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Skeletal review

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https://www.readbyqxmd.com/read/28811992/analysis-of-the-literature-on-cervical-spine-fractures-in-ankylosing-spinal-disorders
#1
REVIEW
Sebastian Hartmann, Anja Tschugg, Christoph Wipplinger, Claudius Thomé
STUDY DESIGN: Narrative literature review. OBJECTIVE: The numbers of low-energy cervical fractures seen in patients suffering from ankylosing spondylitis (also known as Bechterew disease) or diffuse idiopathic skeletal hyperostosis (also known as Forestier disease) have greatly increased over recent decades. These fractures tend to be particularly overlooked, leading to delayed diagnosis and secondary neurological deterioration. The aim of the present evaluation was to summarize current knowledge on cervical fractures in patients with ankylosing spinal disorders (ASDs)...
August 2017: Global Spine Journal
https://www.readbyqxmd.com/read/28811217/regulation-and-phylogeny-of-skeletal-muscle-regeneration
#2
REVIEW
Meryem B Baghdadi, Shahragim Tajbakhsh
One of the most fascinating questions in regenerative biology is why some animals can regenerate injured structures while others cannot. Skeletal muscle has a remarkable capacity to regenerate even after repeated traumas, yet limited information is available on muscle repair mechanisms and how they have evolved. For decades, the main focus in the study of muscle regeneration was on muscle stem cells, however, their interaction with their progeny and stromal cells is only starting to emerge, and this is crucial for successful repair and re-establishment of homeostasis after injury...
August 12, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28810563/dystrophia-myotonica-type-1-presenting-with-dysarthria-a-case-report-and-literature-review
#3
Chunrong Li, Xiaoling Zhang, Chunkui Zhou, Lijun Zhu, Kangding Liu, Shaokuan Fang
Dystrophia myotonica (DM) type 1 is an autosomal dominant disorder, caused by a trinucleotide CTG repeat expansion in the 3' untranslated region of the dystrophia myotonica protein kinase (DMPK) gene (chromosome 19q13.3). The disorder affects different organ systems, including the skeletal muscles, ocular lens, lungs, heart and gastrointestinal tract, as well as the endocrine and central nervous systems. The skeletal muscles are most frequently involved, whereby the disorder manifests as myotonia, muscle weakness and amyotrophy...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28808977/skeletal-dysplasias-what-every-bone-health-clinician-needs-to-know
#4
REVIEW
Sarah M Nikkel
PURPOSE OF REVIEW: This review highlights how skeletal dysplasias are diagnosed and how our understanding of some of these conditions has now translated to treatment options. RECENT FINDINGS: The use of multigene panels, using next-generation sequence technology, has improved our ability to quickly identify the genetic etiology, which can impact management. There are successes with the use of growth hormone in individuals with SHOX deficiencies, asfotase alfa in hypophosphatasia, and some promising data for c-type natriuretic peptide for those with achondroplasia...
August 14, 2017: Current Osteoporosis Reports
https://www.readbyqxmd.com/read/28806822/-multiple-myeloma-current-status-in-diagnostic-testing-and-therapy
#5
Michael Kehrer, Sebastian Koob, Andreas Strauss, Dieter Christian Wirtz, Jan Schmolders
Background Multiple myeloma is a haematological blood cancer of the bone marrow and is classified by the World Health Organisation (WHO) as a plasma cell neoplasm. In multiple myeloma, normal plasma cells transform into malignant myeloma cells and produce large quantities of an abnormal immunoglobulin called monoclonal protein or M protein. This ultimately causes multiple myeloma symptoms such as bone damage or kidney problems. The annual worldwide incidence of multiple myeloma is estimated to be 6 - 7/100,000 and accounts for 1% of all cancer...
August 14, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28800814/phthalates-impact-human-health-epidemiological-evidences-and-plausible-mechanism-of-action
#6
REVIEW
Sailas Benjamin, Eiji Masai, Naofumi Kamimura, Kenji Takahashi, Robin C Anderson, Panichikkal Abdul Faisal
Disregarding the rising alarm on the hazardous nature of various phthalates and their metabolites, ruthless usage of phthalates as plasticizer in plastics and as additives in innumerable consumer products continues due low their cost, attractive properties, and lack of suitable alternatives. Globally, in silico computational, in vitro mechanistic, in vivo preclinical and limited clinical or epidemiological human studies showed that over a dozen phthalates and their metabolites ingested passively by man from the general environment, foods, drinks, breathing air, and routine household products cause various dysfunctions...
October 15, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28799855/surgical-management-of-cervical-spine-deformity-in-chondrodysplasia-punctata
#7
Nobuhito Morota, Satoshi Ihara, Hideki Ogiwara, Goichiro Tamura
OBJECTIVE Chondrodysplasia punctata (CDP), a rare skeletal dysplasia, can lead to cervical spine instability and deformity. However, an optimal neurosurgical intervention has yet to be established. Thus, a retrospective study was conducted to assess the efficacy of various surgical interventions for children with CDP. METHODS The authors retrospectively reviewed 9 cases of CDP in which cervical decompression with or without posterior fusion was performed between April 2007 and May 2016. Patient demographics, preoperative clinical conditions, radiographic findings, surgical procedures, and the postoperative course were analyzed in detail...
August 11, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28798241/persisting-fatigue-and-myalgia-as-the-presenting-features-in-a-case-of-hypokalaemic-periodic-paralysis
#8
Matthew Thomas Neame, David Wright, Surendran Chandrasekaran
We report a case of a 9-year-old boy who developed hypokalaemic periodic paralysis (HypoPP) following a prodrome of persistent fatigue and muscle aches associated with mildly elevated creatine kinase (CK) levels.HypoPP is usually associated with a sudden onset of weakness and hypokalaemia at presentation. A review of published cases failed to identify any other reports of individuals with a similar onset of symptoms and elevated CK levels prior to the development of frank HypoPP.In the case described above, the association of these symptoms with elevated levels of CK may have been related to the underlying mutation in the skeletal muscle calcium channels that was subsequently identified...
August 10, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28796154/the-ability-of-exercise-associated-oxidative-stress-to-trigger-redox-sensitive-signalling-responses
#9
REVIEW
Richard Webb, Michael G Hughes, Andrew W Thomas, Keith Morris
In this review, we discuss exercise as an oxidative stressor, and elucidate the mechanisms and downstream consequences of exercise-induced oxidative stress. Reactive oxygen species (ROS) are generated in the mitochondria of contracting skeletal myocytes; also, their diffusion across the myocyte membrane allows their transport to neighbouring muscle tissue and to other regions of the body. Although very intense exercise can induce oxidative damage within myocytes, the magnitudes of moderate-intensity exercise-associated increases in ROS are quite modest (~two-fold increases in intracellular and extracellular ROS concentrations during exercise), and so the effects of such increases are likely to involve redox-sensitive signalling effects rather than oxidative damage...
August 10, 2017: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28795971/altered-satellite-cell-dynamics-accompany-skeletal-muscle-atrophy-during-chronic-illness-disuse-and-aging
#10
Colleen F McKenna, Christopher S Fry
PURPOSE OF REVIEW: This review explores recent research investigating the contribution of satellite cells (skeletal muscle stem cells) during muscle fiber atrophy as seen in periods of disuse, illness, and aging. RECENT FINDINGS: Studies indicate reduced satellite cell activity and density in a variety of acute and chronic conditions characterized by robust muscle wasting. The direct contribution of satellite cells to unloading/denervation and chronic illness-induced atrophy remains controversial...
August 8, 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/28795009/evaluation-and-management-of-shoulder-pain-in-skeletally-immature-athletes
#11
REVIEW
Dilip R Patel, Stephen Breisach
Shoulder pain in young athletes generally is a result of poor sports technique and overuse. A number intrinsic causes of shoulder pain have been identified. Pain may also be referred to shoulder area from cervical spine, neck and chest pathology. Overuse stress injury of the proximal humeral physis is important to recognize early in order to prevent later complications. Shoulder impingement syndrome is a general term used to describe multiple underlying lesions and relatively uncommon in young athletes. In adolescent athletes, glenohumeral instability is an important underlying pathomechanical basis for shoulder pain...
July 2017: Translational pediatrics
https://www.readbyqxmd.com/read/28792087/evaluation-and-management-of-tethered-cord-syndrome-in-occult-spinal-dysraphism-recommendations-from-the-international-children-s-continence-society
#12
REVIEW
Gerald F Tuite, Dominic N P Thompson, Paul F Austin, Stuart B Bauer
AIMS: As awareness and frequency of tethered spinal cord (TSC) related to occult spinal dysraphism (OSD) has increased with magnetic resonance imaging (MRI), variability exists in its evaluation and management. Due to no published level I data, we summarize the current International Children's Continence Society (ICCS) recommendations for diagnosis and treatment of OSD. METHODS: Guidelines were formulated based on analysis of pertinent literature and consensus among authors...
August 9, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28792061/role-of-nerve-muscle-interactions-and-ros-in-regulation-of-muscle-proteostasis-with-aging
#13
Aphrodite Vasilaki, Arlan Richardson, Holly Van Remmen, Susan V Brooks, Lisa Larkin, Anne McArdle, Malcolm J Jackson
Skeletal muscle aging is characterised by atrophy, a deficit in specific force generation, increased susceptibility to injury, and incomplete recovery after severe damage. The hypothesis that increased generation of Reactive Oxygen Species (ROS) in vivo plays a key role in the aging process has been extensively studied, but remains controversial. Skeletal muscle generates ROS at rest and during exercise. ROS can cause oxidative damage particularly to proteins. Indeed, products of oxidative damage accumulate in skeletal muscle during aging and the ability of muscle cells to respond to increased ROS becomes defective...
August 9, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28791704/granulocytes-as-models-for-human-protein-marker-identification-following-nicotine-exposure
#14
REVIEW
Matthew J Mulcahy, Henry A Lester
Nicotinic acetylcholine receptors (nAChRs) are pentameric cation channels expressed in the mammalian CNS, in the peripheral nervous system, and in skeletal muscle. Neuronal-type nAChRs are also found in several non-neuronal cell types, including leukocytes. Granulocytes are a subtype of leukocytes that include basophils, eosinophils, and neutrophils. Granulocytes, also known as polymorphonuclear leukocytes, are characterized by their ability to produce, store, and release compounds from intracellular granules...
August 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28789665/evaluating-the-evidence-for-macrophage-presence-in-skeletal-muscle-and-its-relation-to-insulin-resistance-in-obese-mice-and-humans-a-systematic-review-protocol
#15
Meha Bhatt, Srikesh Rudrapatna, Laura Banfield, Rachel Bierbrier, Pei-Wen Wang, Kuan-Wen Wang, Lehana Thabane, M Constantine Samaan
OBJECTIVES: The current global rates of obesity and type 2 diabetes are staggering. In order to implement effective management strategies, it is imperative to understand the mechanisms of obesity-induced insulin resistance and diabetes. Macrophage infiltration and inflammation of the adipose tissue in obesity is a well-established paradigm, yet the role of macrophages in muscle inflammation, insulin resistance and diabetes is not adequately studied. In this systematic review, we will examine the evidence for the presence of macrophages in skeletal muscle of obese humans and mice, and will assess the association between muscle macrophages and insulin resistance...
August 8, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28783472/is-there-a-role-for-internal-bracing-and-repair-of-the-anterior-cruciate-ligament-a-systematic-literature-review
#16
Carola F van Eck, Orr Limpisvasti, Neal S ElAttrache
BACKGROUND: Renewed interest has arisen in arthroscopic anterior cruciate ligament (ACL) repair techniques. HYPOTHESIS: ACL repair with or without some form of internal bracing could lead to good outcomes in a carefully selected subset of patients. STUDY DESIGN: Systematic review. METHODS: An electronic database search was performed to identify 89 papers describing preclinical and clinical studies on the outcome of ACL repair...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28780987/clinical-and-histologic%C3%A2-findings-in-acta1-related-nemaline-myopathy-case-series-and-review-of-the-literature
#17
REVIEW
Cristiane de Araújo Martins Moreno, Osório Abath Neto, Sandra Donkervoort, Ying Hu, Umbertina Conti Reed, Acary Sousa Bulle Oliveira, Carsten Bönnemann, Edmar Zanoteli
BACKGROUND: Nemaline myopathy is a rare congenital disease of skeletal muscle characterized by muscle weakness and hypotonia, as well as the diagnostic presence of nemaline rods in skeletal muscle fibers. Nemaline myopathy is genetically and phenotypically heterogeneous and, so far, mutations in 11 different genes have been associated with this disease. Dominant mutations in ACTA1 are the second most frequent genetic cause of nemaline myopathy and can lead to a variety of clinical and histologic phenotypes...
April 7, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28780899/mapping-the-human-skeletal-muscle-proteome-progress-and-potential
#18
Daniele Capitanio, Manuela Moriggi, Cecilia Gelfi
Abtract Introduction: Human skeletal muscle represents 40% of our body mass and deciphering its proteome composition to further understand mechanisms regulating muscle function under physiological and pathological conditions has proved a challenge. The inter-individual variability, the presence of structurally and functionally different muscle types and the high protein dynamic range require carefully selected methodologies for the assessment of the muscle proteome. Furthermore, physiological studies are understandingly hampered by ethical issues related to biopsies on healthy subjects, making it difficult to recruit matched controls essential for comparative studies...
August 7, 2017: Expert Review of Proteomics
https://www.readbyqxmd.com/read/28780647/cardiovascular-responses-to-skeletal-muscle-stretching-stretching-the-truth-or-a-new-exercise-paradigm-for-cardiovascular-medicine
#19
REVIEW
Nicholas T Kruse, Barry W Scheuermann
Stretching is commonly prescribed with the intended purpose of increasing range of motion, enhancing muscular coordination, and preventing prolonged immobilization induced by aging or a sedentary lifestyle. Emerging evidence suggests that acute or long-term stretching exercise may modulate a variety of cardiovascular responses. Specifically, at the onset of stretch, the mechanical deformation of the vascular bed coupled with stimulation of group III muscle afferent fibers initiates a cascade of events resulting in both peripheral vasodilation and a heart rate-driven increase in cardiac output, blood pressure, and muscle blood flow...
August 5, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28780255/paget-s-disease-of-bone
#20
Tim Cundy
Paget's disease is a chronic focal high turnover bone disorder that is primarily present in middle-aged or older adults. It seems to be restricted to humans and has no clear parallels with other diseases. Although much has been learnt about its pathology and epidemiology, and treatment is now highly effective we still lack a complete understanding of its etiology and biology. This review focusses on the natural history of the disorder, in particular its changing epidemiology, recent discoveries about its genetic basis and current approaches to diagnosis and treatment...
July 4, 2017: Metabolism: Clinical and Experimental
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