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Polymyositis

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https://www.readbyqxmd.com/read/28619061/rituximab-versus-cyclophosphamide-for-the-treatment-of-connective-tissue-disease-associated-interstitial-lung-disease-recital-study-protocol-for-a-randomised-controlled-trial
#1
Peter Saunders, Vicky Tsipouri, Gregory J Keir, Deborah Ashby, Marcus D Flather, Helen Parfrey, Daphne Babalis, Elisabetta A Renzoni, Christopher P Denton, Athol U Wells, Toby M Maher
BACKGROUND: Interstitial lung disease (ILD) frequently complicates systemic autoimmune disorders resulting in considerable morbidity and mortality. The connective tissue diseases (CTDs) most frequently resulting in ILD include: systemic sclerosis, idiopathic inflammatory myositis (including dermatomyositis, polymyositis and anti-synthetase syndrome) and mixed connective tissue disease. Despite the development, over the last two decades, of a range of biological therapies which have resulted in significant improvements in the treatment of the systemic manifestations of CTD, the management of CTD-associated ILD has changed little...
June 15, 2017: Trials
https://www.readbyqxmd.com/read/28604480/intense-muscle-activity-due-to-polymyositis-incidentally-detected-in-a-patient-evaluated-for-possible-malignancy-by-fdg-pet-ct-imaging
#2
Xia Bai, Ning Tie, Xuemei Wang, Jianmin Zhao
A 42-year-old woman suffered shortness of breath and whole-body pain, more prominent in both thighs. After the initial assessment, a paraneoplastic syndrome was considered clinically, and FDG PET/CT was performed to search culprit malignancy. The images did not reveal any focal lesion typical of solid hypermetabolic malignancy. Instead, diffuse increased muscle activity was noted in most musculatures, with some focally intense. The findings were suggestive of polymyositis, which was subsequently confirmed.
June 9, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28592713/pulmonary-limited-granulomatosis-with-polyangiitis-coexisting-with-mixed-connective-tissue-disease
#3
Masaru Ando, Akihiko Goto, Mari Yamasue, Yuko Usagawa, Hiroaki Oka, Takehiko Shigenaga, Jun-Ichi Kadota
Granulomatosis with polyangiitis (GPA) is a systemic disease characterized by necrotizing, granulomatous vasculitis of the upper and lower respiratory tracts and glomerulonephritis, and is classified as a classical or limited form. The classical form of GPA demonstrates the involvement of the upper respiratory tract, sinuses, lungs and kidneys, whereas the limited form is characterized by the lack of the renal involvement with female predominance. On the other hand, mixed connective tissue disease (MCTD) shows the clinical and laboratorial features of systemic lupus erythematosus, systemic sclerosis and polymyositis, along with high titers of anti-ribonucleoprotein antibodies and is characterized by good response to corticosteroid therapy and favorable prognosis...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28587920/-what-would-you-do-with-an-adult-patient-who-consults-due-to-head-muscle-weakness-and-has-dropped-head
#4
L Paino, N Blasco
The dropped head syndrome, whether due to muscle weakness, rigidity, or ankylosis, is not uncommon in the elderly. It is characterised by a "chin-on-chest" reducible kyphosis, which is secondary to head muscle debility. It may be associated with a neuromuscular group of diseases such as polymyositis, chronic Inflammatory demyelinating polyneuropathy, myasthenia gravis, amyotrophic lateral sclerosis, and inclusion-body myositis. Some cases associated with hypothyroidism and hyperparathyroidism have also been described...
June 3, 2017: Semergen
https://www.readbyqxmd.com/read/28586060/potential-role-of-autophagy-in-t%C3%A2-cell-survival-in-polymyositis-and-dermatomyositis
#5
Xiaoming Shu, Fang Chen, Qinglin Peng, Xin Lu, Xiaolan Tian, Yan Wang, Guochun Wang
Peripheral blood T lymphocytopenia has previously been identified in polymyositis/dermatomyositis (PM/DM) patients. Therefore, the present study aimed to examine the potential role of autophagy in peripheral blood T cell survival in PM/DM patients. Transmission electron microscopy was used to detect the formation of autophagosomes of peripheral blood cluster of differentiation (CD)3+ T cells obtained from 24 patients with PM/DM and 21 healthy controls. Protein and mRNA expression levels of autophagy‑related molecules were examined by western blot analysis and reverse transcription‑quantitative polymerase chain reaction, respectively...
June 6, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28585061/quality-of-life-correlates-with-muscle-strength-in-patients-with-dermato-or-polymyositis
#6
Karina B Poulsen, Helene Alexanderson, Christine Dalgård, Søren Jacobsen, Louise Weile, Louise P Diederichsen
The aim of this study was to compare health-related quality of life (HQoL) in adults with dermatomyositis (DM) or polymyositis (PM) with a healthy control group and to assess whether muscle strength was associated with HQoL in patients with DM or PM. A cross-sectional study was performed and included 75 patients with DM or PM and 48 healthy controls. HQoL was assessed by the Short Form 36 questionnaire (SF-36). Muscle strength of the patients was assessed using the Manual Muscle Test-8 (MMT8). Covariables and possible confounding factors were collected by validated tools...
June 6, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28553742/antiribonuclease-h2-antibodies-are-an-immune-biomarker-for-systemic-lupus-erythematosus
#7
Kazuhisa Nozawa, Kentaro Doe, Kaori Uomori, Iwao Sekigawa, Yoshinari Takasaki, Ken Yamaji, Naoto Tamura
We previously reported that autoantibodies against the proliferating cell nuclear antigen protein (PCNA)-binding protein chromatin assembly factor-1 (CAF-1) are specifically found in patients with systemic lupus erythematosus (SLE). PCNA and its complex constituents elicit autoimmune responses in patients with SLE, suggesting that autoantibody diversification likely occurs owing to epitope spreading. Therefore, we sought to clarify whether patients with SLE exhibit an autoimmune response to Ribonuclease H2 (RNase H2), another PCNA-binding protein that regulates cell division...
May 27, 2017: Autoimmunity
https://www.readbyqxmd.com/read/28553129/medical-resource-utilization-in-dermatomyositis-polymyositis-patients-treated-with-repository-corticotropin-injection-intravenous-immunoglobulin-and-or-rituximab
#8
Tyler Knight, T Christopher Bond, Breanna Popelar, Li Wang, John W Niewoehner, Kathryn Anastassopoulos, Michael Philbin
BACKGROUND: Dermatomyositis and polymyositis (DM/PM) are rare, incurable inflammatory diseases that cause progressive muscle weakness and can be associated with increased medical resource use (MRU). When corticosteroid treatment is unsuccessful, patients may receive intravenous immunoglobulin (IVIg), rituximab, or repository corticotropin injection (RCI). This study compared real-world, non-medication MRU between patients treated with RCI and those treated with IVIg and/or rituximab for DM/PM...
2017: ClinicoEconomics and Outcomes Research: CEOR
https://www.readbyqxmd.com/read/28532196/fetal-and-neonatal-involvement-in-maternal-rheumatologic-disease
#9
Shigeo Iijima
A pregnancy complicated with rheumatologic diseases can have various influences on the fetus and/or neonate. Maternal systemic lupus erythematosus (SLE) may cause preterm and/or small for gestational age (SGA) delivery and neonatal lupus (NL). Some neonates with NL have congenital heart block (CHB) with increased morbidity and mortality, even requiring pacemakers. Antiphospholipid syndrome may occur with SLE and affect fetal and/or neonatal outcomes. Pregnancy involving primary Sjögren's syndrome (pSS) tends to result in preterm delivery and low birthweight infants...
June 8, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28524083/idiopathic-inflammatory-myopathies-a-review-of-the-classification-and-impact-of-pathogenesis
#10
REVIEW
Dana E Mandel, Charles J Malemud, Ali D Askari
Idiopathic inflammatory myopathies (IIMs) are a group of autoimmune muscle diseases with significant morbidity and mortality. This review details and updates the pathogenesis and emerging importance of myositis-specific antibodies in the development of IIMs. An increase in the understanding of how these myositis-specific antibodies play a role in IIMs has led to the further categorization of IIMs from the traditional polymyositis versus dermatomyositis, to additional subcategories of IIMs such as necrotizing autoimmune myositis (NAM)...
May 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28523511/-therapy-resistant-polymyositis-is-the-diagnosis-correct
#11
G Ceccon, H C Lehmann, E Neuen-Jacob, G Meng, G R Fink, G Wunderlich
We report the case of a 32-year-old woman with severely elevated serum creatine kinase (CK; 80,000 U/l) and progressive proximal pareses. As muscular biopsy showed inflammatory infiltrates, polymyositis was suspected and immunosuppressive treatment was initiated. However, clinical improvement could not be achieved. Gene sequencing of the DYSF-gene showed a previously unreported homozygous mutation. In summary, elevated serum CK and inflammatory infiltrates in the muscle biopsy are not specific for polymyositis, but may also occur in degenerative diseases (muscular dystrophy), such as dysferlinopathy...
May 18, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28508950/malignancy-as-a-comorbidity-in-rheumatic-diseases-a-retrospective-hospital-based-study
#12
Hai-Long Wang, Yong-Ming Zhou, Guang-Zhao Zhu, Zhu Yang, Bao-Jin Hua
Patients with Rheumatic diseases (RDs) are at an increased risk of malignancies compared with the general population. The aim of this study was to examine the relative frequency of several cancers in a single homogeneous cohort of patients with different RDs. Patients diagnosed with rheumatoid arthritis (RA), Ankylosing spondylitis (AS), Sjögren's syndrome (SS), systemic lupus erythematosus (SLE), systemic sclerosis (SSc), dermatomyositis (DM), or polymyositis were included. Out of 3982 adult residents admitted to the division of rheumatology, 61 malignancies were observed...
May 16, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28506261/a-possible-role-of-low-regulatory-t-cells-in-anti-acetylcholine-receptor-antibody-positive-myasthenia-gravis-after-bone-marrow-transplantation
#13
Masahiko Fukatsu, Takenobu Murakami, Hiroshi Ohkawara, Shunichi Saito, Kazuhiko Ikeda, Suguru Kadowaki, Itaru Sasaki, Mari Segawa, Tomoko Soeda, Akihiko Hoshi, Hiroshi Takahashi, Akiko Shichishima-Nakamura, Kazuei Ogawa, Yoshihiro Sugiura, Hitoshi Ohto, Yasuchika Takeishi, Takayuki Ikezoe, Yoshikazu Ugawa
BACKGROUND: Chronic graft-versus-host disease (GVHD) appears several months following allogenic hematopoietic stem cell transplantation (HSCT) and is clinically analogous to autoimmune disorder. Polymyositis is a common neuromuscular disorder in chronic GVHD, but myasthenia gravis (MG) is extremely rare. Hence, its pathophysiology and treatment have not been elucidated. CASE PRESENTATION: A 63-year-old man with a history of chronic GVHD presented with ptosis, dropped head, and dyspnea on exertion, which had worsened over the previous several months...
May 15, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28493173/idiopathic-inflammatory-myopathy-and-the-risk-of-venous-thromboembolism-a-meta-analysis
#14
Young Ho Lee, Gwan Gyu Song
This study aimed at analyzing published data on the association between idiopathic inflammatory myopathy and venous thromboembolism (VTE). We examined studies on VTE risk in patients with polymyositis (PM) and/or dermatomyositis (DM), in the MEDLINE, EMBASE, and Cochrane databases and via manual searches. We performed a meta-analysis on the relative risks (RRs) of VTE, pulmonary embolism (PE), and deep vein thrombosis (DVT) in these patients. Five studies, including 8858 patients with PM/DM met the inclusion criteria...
July 2017: Rheumatology International
https://www.readbyqxmd.com/read/28473041/diagnosis-and-management-of-immune-mediated-myopathies
#15
REVIEW
Margherita Milone
Immune-mediated myopathies (IMMs) are a heterogeneous group of acquired muscle disorders characterized by muscle weakness, elevated creatine kinase levels, and myopathic electromyographic findings. Most IMMs feature the presence of inflammatory infiltrates in muscle. However, the inflammatory exudate may be absent. Indeed, necrotizing autoimmune myopathy (NAM), also called immune-mediated necrotizing myopathy, is characterized by a necrotizing pathologic process with no or minimal inflammation in muscle. The recent discovery of antibodies associated with specific subtypes of autoimmune myopathies has played a major role in characterizing these diseases...
May 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/28471589/polymyositis-involving-the-uvula
#16
Gabriel S Breuer, Naama Bogot, Gideon Nesher
No abstract text is available yet for this article.
August 2016: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28470010/positive-association-between-ankrd55-polymorphism-7731626-and-dermatomyositis-polymyositis-with-interstitial-lung-disease-in-chinese-han-population
#17
Liubing Li, Si Chen, Xiaoting Wen, Qian Wang, Guanting Lv, Jing Li, Funing Yang, Fengchun Zhang, Yongzhe Li
Single nucleotide polymorphisms (SNPs) in TNFSF4 and ANKRD55 genes have been shown to be associated with several autoimmune diseases, although whether these genes are susceptibility genes for dermatomyositis/polymyositis (DM/PM) has, to date, not been reported. This study aimed to investigate the potential associations of these SNPs with DM/PM in a Chinese Han population. Five SNPs in TNFSF4 (rs2205960, rs844644, and rs844648) and ANKRD55 (rs6859219, rs7731626) genes were genotyped using the SequenomMassArray system in 2297 Chinese individuals...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28463039/anti-ss-a-ro-antibody-positivity-as-a-risk-factor-for-relapse-in-patients-with-polymyositis-dermatomyositis
#18
Noriko Tatebe, Ken-Ei Sada, Yosuke Asano, Sonia Zeggar, Sumie Hiramatsu, Yoshia Miyawaki, Keiji Ohashi, Michiko Morishita, Takayuki Katsuyama, Eri Katsuyama, Haruki Watanabe, Mariko Narazaki, Katsue Watanabe, Tomoko Kawabata, Jun Wada
OBJECTIVE: The objective of this study is to elucidate predictors of relapse in patients with polymyositis and dermatomyositis (PM/DM). METHODS: Fifty PM/DM patients who achieved disease stabilization at Okayama University Hospital in 2004-2014 were enrolled retrospectively. Candidate predictors such as demographic factors, clinical symptoms, laboratory data, and treatment status were compared. RESULTS: The mean age of enrolled patients was 58 years; 34 were female...
May 2, 2017: Modern Rheumatology
https://www.readbyqxmd.com/read/28461832/new-insights-into-antisynthetase-syndrome
#19
Cojocaru Manole, Cojocaru Inimioara Mihaela, Chicos Bogdan
Antisynthetase syndrome (ASS) is a rare chronic autoimmune disorder (2-3 times more common in women than in men), associated with interstitial lung disease (the most important feature), dermatomyositis (DM), and polymyositis (PM). The cause of ASS is unknown. Recent developments in immunology have improved our knowledge and it is now possible to classify ASS according to the presence of myositis specific autoantibodies. The hallmark of ASS is the presence of serum autoantibodies directed against aminoacyl-tRNA synthetases (anti-ARS involved in protein synthesis)...
June 2016: Mædica
https://www.readbyqxmd.com/read/28461123/the-long-term-outcome-of-interstitial-lung-disease-with-anti-aminoacyl-trna-synthetase-antibodies
#20
Kiminobu Tanizawa, Tomohiro Handa, Ran Nakashima, Takeshi Kubo, Yuji Hosono, Kizuku Watanabe, Kensaku Aihara, Kohei Ikezoe, Akihiko Sokai, Yoshinari Nakatsuka, Yoshio Taguchi, Kazuhiro Hatta, Satoshi Noma, Yoichiro Kobashi, Akihiko Yoshizawa, Toru Oga, Toyohiro Hirai, Kazuo Chin, Sonoko Nagai, Takateru Izumi, Tsuneyo Mimori, Michiaki Mishima
RATIONALE: Anti-aminoacyl transfer RNA synthetase antibodies (anti-ARS) are a group of myositis-specific autoantibodies that are detected in the sera of patients with polymyositis and dermatomyositis (PM/DM) and also in those of patients with idiopathic interstitial pneumonias without any connective tissue disease (CTD), including PM/DM. Although we reported the clinical characteristics of interstitial lung disease with anti-ARS antibodies (ARS-ILD) with and without PM/DM, the long-term prognosis of ARS-ILD remains undetermined...
April 15, 2017: Respiratory Medicine
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