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Inflammatory myopathy

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https://www.readbyqxmd.com/read/28343618/analysis-of-sexual-function-of-patients-with-dermatomyositis-and-polymyositis-through-self-administered-questionnaires-a-cross-sectional-study
#1
Fernando Henrique Carlos de Souza, Daniel Brito de Araújo, Clovis Artur Silva, Renata Miossi, Carmita Helena Najjar Abdo, Eloisa Bonfá, Samuel Katsuyuki Shinjo
INTRODUCTION: To date, there are no descriptions in the literature on gynecologic and sexual function evaluation in female patients with dermatomyositis (DM) and polymyositis (PM). OBJECTIVE: To assess sexual function in female patients with DM/PM. PATIENTS AND METHODS: This is a monocentric, cross-sectional study in which 23 patients (16 DM and 7 PM), with ages between 18 and 40 years, were compared to 23 healthy women of the same age group...
March 2017: Revista Brasileira de Reumatologia
https://www.readbyqxmd.com/read/28340105/morin-stain-detects-aluminum-containing-macrophages-in-macrophagic-myofasciitis-and-vaccination-granuloma-with-high-sensitivity-and-specificity
#2
Rati Chkheidze, Dennis K Burns, Charles L White, Diana Castro, Julie Fuller, Chunyu Cai
Macrophagic myofasciitis (MMF) is an inflammatory condition associated with the intramuscular (i.m.) injection of aluminum adjuvant-containing vaccines. It is clinically characterized by myalgia, weakness, and chronic fatigue and histologically by aggregates of cohesive macrophages with abundant basophilic, periodic acid-Schiff (PAS)-positive, diastase-resistant granules that percolate through the peri- and endomysium without eliciting substantial myofiber damage. The definitive diagnosis of MMF requires demonstration of aluminum within these macrophages...
March 15, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28333717/effect-of-resistance-exercise-on-muscle-metabolism-and-autophagy-in-sibm
#3
Jae-Hoon Jeong, Dae-Seung Yang, Dong-Ju Hwang, Joon-Yong Cho, Eun-Bum Kang
PURPOSE: Sporadic inclusion body myositis (sIBM), a muscular degenerative disease in the elderly, is an inflammatory myopathy characterized by muscle weakness in the wrist flexor, quadriceps, and tibialis anterior muscles. We aimed to identify the therapeutic effect of resistance exercise (RE) in improving sIBM symptoms in an sIBM animal model. METHODS: Six-week-old male Wistar rats were divided into a sham group (sham, n = 12), chloroquine-control group (CQ-con, n = 12), and chloroquine-RE group (CQ-RE, n = 12)...
March 23, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28315611/added-value-of-electromyography-in-the-diagnosis-of-myopathy-a-consensus-exercise
#4
K Pugdahl, B Johnsen, H Tankisi, J P Camdessanché, M de Carvalho, P R W Fawcett, A Labarre-Vila, R Liguori, W Nix, I Schofield, A Fuglsang-Frederiksen
OBJECTIVE: Currently, neurologists may primarily rely on blood biomarkers, muscle biopsy, MRI, and genetics in the diagnostic work-up of suspected myopathy. Using expert consensus as diagnostic reference standard, this study addressed the added value of electrodiagnostic medicine (EDX) in diagnosis of myopathies. METHODS: One hundred ninety-four EDX evaluations of patients with a peer-review consensus diagnosis of myopathy were collected by seven European centres...
February 15, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28293456/acute-digital-ischemia-a-rare-presentation-of-antisynthetase-syndrome
#5
Jin Ei Chan, Sandeep Palakodeti, Matthew J Koster
Antisynthetase syndrome (ASS) is recognized as a subgroup of idiopathic inflammatory myopathies (IIMs). It is associated with autoantibodies directed against aminoacyl-transfer ribonucleic acid (tRNA) synthetase enzymes. We report the first case of anti-PL-7/anti-SSA 52kD ASS presenting as acute digital ischemia, an association not described previously. Occlusive vasculopathy is a rare but serious manifestation that can be seen at presentation in patients with ASS and may herald the onset of severe interstitial lung disease (ILD)...
March 2017: European Journal of Rheumatology
https://www.readbyqxmd.com/read/28292255/subcutaneous-igg-in-the-myositis-spectrum-disorders
#6
Maria Giovanna Danieli, Chiara Gelardi, Veronica Pedini, Francesco Logullo, Armando Gabrielli
The efficacy of subcutaneous immunoglobulin is reported in several neurological disorders and, more recently, its use has been extended to other inflammatory diseases, such as the idiopathic inflammatory myopathies, including polymyositis and dermatomyositis. Due to the rarity of these disorders, the role of immunoglobulin, administered intravenously or subcutaneously, remains unclear and poorly investigated. We report our experience about the use of subcutaneous immunoglobulin in myositis spectrum disorders, from idiopathic inflammatory myopathies to more complex conditions, such as overlap and cancer-associated myositis or pregnancy...
March 14, 2017: Current Rheumatology Reviews
https://www.readbyqxmd.com/read/28289675/humoral-immunodeficiency-with-hypotonia-feeding-difficulties-enteropathy-and-mild-eczema-caused-by-a-classical-foxp3-mutation
#7
Paul Tuijnenburg, Eloy Cuadrado, Annet M Bosch, Angelika Kindermann, Machiel H Jansen, Marielle Alders, Ester M M van Leeuwen, Taco W Kuijpers
We describe here the case of a boy who presented with pulmonary infections, feeding difficulties due to velopharyngeal insufficiency and gastroesophageal reflux, myopathy, and hypotonia soon after birth. Later, he was also found to have an elevated immunoglobulin (Ig) E and mild eczema and was diagnosed with inflammatory bowel disease. Further immunological screening at the age of 7 years showed low B and NK cell numbers but normal CD4(+) and CD8(+) T cells and notably, normal numbers of CD4(+) regulatory T (Treg) cells...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28286105/animal-models-in-idiopathic-inflammatory-myopathies-how-to-overcome-a-translational-roadblock
#8
REVIEW
Ali Maisam Afzali, Tobias Ruck, Heinz Wiendl, Sven G Meuth
Idiopathic inflammatory myopathies (IIMs) encompass a heterogenic group of rare muscle diseases with common symptoms including muscle weakness and the presence of certain histological features. Since the pathogenesis remains unclear, therapeutic approaches in general comprise unspecific immunosuppression strategies that have been met with limited success. Therefore, a deeper understanding of the underlying pathophysiological mechanisms is critically required to assist in development of targeted therapies. Animal models have proven to be tremendously helpful in mechanistic studies and allow researchers to overcome the inevitable restrictions of human research...
March 7, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28279643/follistatin-gene-therapy-for-sporadic-inclusion-body-myositis-improves-functional-outcomes
#9
Jerry R Mendell, Zarife Sahenk, Samiah Al-Zaidy, Louise R Rodino-Klapac, Linda P Lowes, Lindsay N Alfano, Katherine Berry, Natalie Miller, Mehmet Yalvac, Igor Dvorchik, Melissa Moore-Clingenpeel, Kevin M Flanigan, Kathleen Church, Kim Shontz, Choumpree Curry, Sarah Lewis, Markus McColly, Mark J Hogan, Brian K Kaspar
Sporadic inclusion body myositis, a variant of inflammatory myopathy, has features distinct from polymyositis/dermatomyositis. The disease affects men more than women, most commonly after age 50. Clinical features include weakness of the quadriceps, finger flexors, ankle dorsiflexors, and dysphagia. The distribution of weakness is similar to Becker muscular dystrophy, where we previously reported improvement following intramuscular injection of an isoform of follistatin (FS344) by AAV1. For this clinical trial, rAAV1...
March 6, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28257650/subcutaneous-immunoglobulins-for-the-treatment-of-a-patient-with-antisynthetase-syndrome-and-secondary-chronic-immunodeficiency-after-anti-cd20-treatment-a-case-report
#10
Patrick Cherin, Christophe de Jaeger, Jean-Charles Crave, Jean-Christophe Delain, Abir Tadmouri, Zahir Amoura
BACKGROUND: Antisynthetase syndrome is a rare and debilitating multiorgan disease characterized by inflammatory myopathy, interstitial lung disease, cutaneous involvement, and frequent chronic inflammation of the joints. Standard treatments include corticosteroids and immunosuppressants. In some cases, treatment resistance may develop. Administration of immunoglobulins intravenously is recommended in patients with drug-resistant antisynthetase syndrome. CASE PRESENTATION: Here, we describe the case of a 56-year-old woman of Algerian origin...
March 4, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28251541/profile-of-pediatric-idiopathic-inflammatory-myopathies-from-a-tertiary-care-center-of-eastern-india
#11
Sumantra Sarkar, Tanushree Mondal, Arpan Saha, Rakesh Mondal, Supratim Datta
OBJECTIVES: To report data on Idiopathic inflammatory myopathies (IIM) from eastern India. METHODS: All IIM patients diagnosed over the last 5 y (2011-2016) were included through a retrospective review of records from the hospital and specialty clinic at Institute of Postgraduate Medical Education & Research (I.P.G.M.E.&R.), Kolkata. RESULTS: Out of the 11 IIM patients, 9 had Juvenile dermatomyositis (JDM) and 2 had overlap myositis (OM) [with systemic lupus erythematosus (SLE) and scleroderma]...
March 2, 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/28240307/new-targets-to-alleviate-skeletal-muscle-inflammation-role-of-micrornas-regulated-by-adiponectin
#12
Raphaël Boursereau, Michel Abou-Samra, Sophie Lecompte, Laurence Noel, Sonia M Brichard
Muscle inflammation worsens metabolic disorders as well as devastating myopathies. The hormone adiponectin (ApN) has emerged has a master regulator of inflammation/immunity in several tissues including the skeletal muscle. In this work, we explore whether microRNAs regulated by ApN may represent novel mechanisms for controlling muscle inflammation. By screening arrays, we found miR-711 as a strong candidate for mediating ApN action. Thus, ApN-knockout mice showed decreased muscular expression of miR-711 together with enhanced inflammation/oxidative stress markers, while mice overexpressing ApN showed increased miR-711 levels...
February 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28236156/antimalarial-myopathy-in-a-systemic-lupus-erythematosus-patient-with-quadriparesis-and-seizures-a-case-based-review
#13
REVIEW
Kashif Jafri, Hengameh Zahed, Katherine D Wysham, Sarah Patterson, Amber L Nolan, Matthew D Bucknor, R Krishna Chaganti
Weakness, seizures, and encephalopathy have a broad differential diagnosis in patients with systemic lupus erythematosus (SLE). We present a case of a 26-year-old female with a recent diagnosis of SLE who experienced a clinical deterioration with quadriparesis, seizures, and encephalopathy. Her quadriparesis was found to be secondary to biopsy-proven hydroxychloroquine-induced myopathy with concomitant inflammatory myopathy. Her seizures and encephalopathy were suspected to be multifactorial in the setting of sepsis and critical illness with possible contributions from neuropsychiatric manifestations of SLE and macrophage activation syndrome...
February 24, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28224701/pathogenic-role-of-anti-srp-and-anti-hmgcr-antibodies-in-necrotizing-myopathies-myofiber-atrophy-and-impairment-of-muscle-regeneration-in-necrotizing-autoimmune-myopathies
#14
Louiza Arouche-Delaperche, Yves Allenbach, Damien Amelin, Corinna Preusse, Vincent Mouly, Wladimir Mauhin, Gaelle Dzangue Tchoupou, Laurent Drouot, Olivier Boyer, Werner Stenzel, Gillian Butler-Browne, Olivier Benveniste
OBJECTIVE: Immune mediated necrotizing myopathies (IMNM) may be associated with either anti-SRP or anti-HMGCR antibodies (Abs) and the titer of these Abs is correlated with the disease activity. We investigated if anti-SRP and anti-HMGCR Abs could be involved in muscle damages. METHODS: Muscle biopsies of patients were analyzed for atrophy and regeneration, by measuring the fibers size and by performing immunostaining of neonatal myosin heavy chain. To further understand the role of the Abs in the pathology, we performed muscle cell co-culture with the Abs...
February 22, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28224635/infections-and-vaccinations-as-possible-triggers-of-inflammatory-myopathies
#15
Vidya Limaye, Caroline Smith, Barbara Koszyca, Peter Blumbergs, Sophia Otto
INTRODUCTION: The role of vaccinations and infections in triggering idiopathic inflammatory myopathies (IIM) has not been confirmed. METHODS: Among patients with histologically-confirmed myositis, infections or vaccinations administered prior to myositis onset were determined. The characteristics of this group were compared with controls (myositis patients without prior infection or vaccination). RESULTS: The frequency of IIM with a prior vaccination was 20 of 206, (9...
February 22, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28210638/an-unusual-suspect-causing-hypoxemic-respiratory-failure
#16
Masooma Aqeel, Bjorn Batdorf, Horatiu Olteanu, Jayshil J Patel
Introduction: Antisynthetase syndrome (ASS) is characterized by the presence of anti-Jo-1 antibodies in conjunction with clinical findings of fever, polymyositis-dermatomyositis, and interstitial lung disease (ILD). Inflammatory myopathies carry a high risk of malignancy, but this association is less well outlined in ASS. We present the case of a patient with ASS who developed non-Hodgkin's lymphoma with acute hypoxemic respiratory failure. Case Presentation: A 44-year-old female with ASS presented with acute hypoxemic respiratory failure...
January 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28202912/inflammatory-myopathies-genetic-associations-with-ibm
#17
Jessica McHugh
No abstract text is available yet for this article.
March 2017: Nature Reviews. Rheumatology
https://www.readbyqxmd.com/read/28202739/anti-hmgcr-autoantibodies-in-juvenile-idiopathic-inflammatory-myopathies-identify-a-rare-but-clinically-important-subset-of-patients
#18
Sarah L Tansley, Zoe E Betteridge, Stefania Simou, Thomas S Jacques, Clarissa Pilkington, Mark Wood, Kishore Warrier, Lucy R Wedderburn, Neil J McHugh
OBJECTIVE: We aimed to establish the prevalence and clinical associations of anti-HMG-CoA-reductase (anti-HMGCR) in a large UK cohort with juvenile myositis. METHODS: There were 381 patients investigated for anti-HMGCR using ELISA. RESULTS: Anti-HMGCR autoantibodies were detected in 4 patients (1%). These children had no or minimal rash and significant muscle disease. Muscle biopsies were considered distinctive, with widespread variation in fiber size, necrotic fibers, and chronic inflammatory cell infiltrates; all had prolonged elevation of creatine kinase and all ultimately received biologic therapies...
February 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28201858/prominent-subcutaneous-oedema-as-a-masquerading-symptom-of-an-underlying-inflammatory-myopathy
#19
Anthea Anantharajah, Steve Vucic, Surjit Tarafdar, Roslyn Vongsuvanh, Nicholas Wilcken, Sanjay Swaminathan
The inflammatory myopathies are a group of immune-mediated inflammatory muscle disorders that typically present with marked proximal muscle weakness. We report four cases of inflammatory myopathies with marked subcutaneous oedema as their main complaint. Three of the four patients had normal or low levels of creatine kinase, an enzyme often markedly elevated in these disorders. Magnetic resonance imaging of the muscles, followed by a muscle biopsy were used to make a definitive diagnosis.
February 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28190982/dermatomyositis-leading-to-necrotizing-vasculitis-a-perfect-response-to-applied-therapy
#20
Mahmood Akbaryan, Farideh Darabi, Zahra Soltani
Dermatomyositis is an idiopathic inflammatory myopathy that cause skin and muscle complications. The ethiology is not understood well yet. Released cytokines including interferon and interleukins are suggested to make inflammatory responses in the skin or muscle. Muscle weakness and skin lesions including heliotrope rash, shawl sign and Gottron's papules are the most common symptoms. A biopsy (muscle or skin) is always the most reliable method for diagnosis. Corticosteroids in association with immunosuppressive agents are used as standard treatment...
December 2016: International Journal of Biomedical Science: IJBS
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