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Inflammatory polymyositis

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https://www.readbyqxmd.com/read/29151520/dropped-head-syndrome-and-the-presence-of-rimmed-vacuoles-in-a-muscle-biopsy-in-scleroderma-polymyositis-overlap-syndrome-associated-with-anti-ku-antibody
#1
Yoshida Takeshi, Yoshida Mai, Mitsuyo Kinjo, Jonosono Manabu, Higuchi Itsuro
A 66-year-old woman with a history of interstitial lung disease presented with a 3-month history of dropped head syndrome (DHS), followed by camptocormia and extremity weakness. A clinical examination revealed Raynaud phenomenon, arthralgia, distal skin sclerosis, and microbleeds in the nailfold capillaries. An anti-Ku antibody test was positive. A muscle biopsy revealed inflammatory myopathy with rimmed vacuoles (RVs). The diagnosis of scleroderma-polymyositis (SSc-PM) overlap syndrome was made. RVs on a muscle biopsy in a patient with inflammatory myositis involving axial muscles may be seen either in inclusion body myositis or SSc-PM overlap syndrome...
November 20, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29127544/a-brazilian-family-with-inclusion-body-myopathy-associated-with-paget-s-disease-of-bone-and-frontotemporal-dementia-linked-to-the-vcp-pgly97glu-mutation
#2
REVIEW
Samuel Katsuyuki Shinjo, Sueli Mieko Oba-Shinjo, Antonio Marcondes Lerario, Suely Kazue Nagahashi Marie
The objective of this study is to report a Brazilian patient and his family with inclusion body myopathy associated with Paget's disease of bone and frontotemporal dementia (IBMPFD). A systematic review of the literature on the valosin-containing protein (VCP) mutation was also performed. The proband (patient) was initially treated as a case of possible refractory polymyositis with Paget's disease and later as an inclusion body myopathy. However, after admission to our service, and considering his personal and familial antecedents, whole exome sequencing was performed revealing valosin-containing protein (VCP) c...
November 10, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/29071588/a-retrospective-medical-record-review-of-utilization-patterns-and-medical-resource-use-associated-with-repository-corticotropin-injection-among-patients-with-rheumatologic-diseases-in-the-united-states
#3
Winnie W Nelson, Michael J Philbin, Jack R Gallagher, Kylee Heap, Susan Carroll, George J Wan
INTRODUCTION: Repository corticotropin injection (RCI) has anti-inflammatory and immune-modulatory effects and is approved for multiple indications, including several rheumatologic conditions. The aims of this nationally representative, retrospective, observational study were to describe patient characteristics, RCI treatment patterns, and barriers to RCI use in patients with rheumatologic disease, and to compare medical resource use (MRU) before and after RCI therapy. METHODS: A random sample of US physicians was recruited to abstract the medical records of deidentified patients with a diagnosis of rheumatoid arthritis (RA), psoriatic arthritis (PsA), dermatomyositis/polymyositis (DM/PM), or systemic lupus erythematosus (SLE) who had been treated with RCI in the previous 24 months...
December 2017: Rheumatology and Therapy
https://www.readbyqxmd.com/read/29027009/lipid-lowering-agent-triggered-dermatomyositis-and-polymyositis-a-case-series-and-literature-review
#4
REVIEW
Isabela Bruna Pires Borges, Marilda Guimarães Silva, Rafael Giovane Misse, Samuel Katsuyuki Shinjo
Lipid-lowering agent-triggered dermatomyositis (DM) or polymyositis (PM) is a rare event. Therefore, the aim of the present study was to describe a series of such cases. A retrospective cohort study of 5 DM and 4 PM cases triggered by prior exposure to lipid-lowering agents between 2001 and 2017 was carried out. All patients, except for two cases, had muscle biopsy compatible with inflammatory myopathy and no serum autoantibodies positive for anti-SRP or anti-HMGCoAR. Median age of the patients at time of diagnosis was 68 years...
October 12, 2017: Rheumatology International
https://www.readbyqxmd.com/read/28994016/cardiopulmonary-manifestations-of-collagen-vascular-diseases
#5
REVIEW
Hamza Jawad, Sebastian R McWilliams, Sanjeev Bhalla
PURPOSE OF REVIEW: The study aimed to illustrate the cardiopulmonary findings of the following collagen vascular diseases on cross-sectional imaging: rheumatoid arthritis, scleroderma (progressive systemic sclerosis), systemic lupus erythematosus, the inflammatory myopathies (polymyositis/dermatomyositis), and Sjögren's syndrome. RECENT FINDINGS: Although collagen vascular diseases can affect any part of the body, interstitial lung disease and pulmonary hypertension are the two most important cardiopulmonary complications and are responsible for the majority of morbidity and mortality in this patient population...
October 9, 2017: Current Rheumatology Reports
https://www.readbyqxmd.com/read/28942404/successful-treatment-using-rituximab-in-a-patient-with-refractory-polymyositis-complicated-by-scleroderma-renal-crisis
#6
Kyoko Innami, Tomoyuki Mukai, Shoko Kodama, Yoshitaka Morita
Corticosteroids are the first-line treatment for patients with inflammatory myopathies. Myositis can be a clinical feature of scleroderma (polymyositis-scleroderma overlap syndrome), and treatment of this syndrome is a challenge for clinicians because moderate to high doses of corticosteroids are considered a risk factor for development of acute kidney injury in affected patients. We report here the case of a 56-year-old woman with scleroderma who developed polymyositis and was successfully treated with rituximab...
September 23, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28928949/plasmapheresis-in-neurological-disorders-six-years-experience-from-university-clinical-center-tuzla
#7
Osman Sinanović, Sanela Zukić, Adnan Burina, Nermina Pirić, Renata Hodžić, Mirza Atić, Mirna Alečković-Halilović, Enisa Mešić
BACKGROUND: Therapeutic plasma exchange (TPE) is an extracorporeal blood purification technique that is designed to remove substances with a large molecular weight. The TPE procedure includes removal of antibodies, alloantibodies, immune complexes, monoclonal protein, toxins or cytokines, and involves the replenishment of a specific plasma factor. The aim of the study was to describe the clinical response to TPE in various neurological patients, and to assess the clinical response to this therapy...
2017: F1000Research
https://www.readbyqxmd.com/read/28893408/inflammatory-myopathy-associated-with-antimitochondrial-antibodies-a-distinct-phenotype-with-cardiac-involvement
#8
Jemima Albayda, Aamna Khan, Livia Casciola-Rosen, Andrea M Corse, Julie J Paik, Lisa Christopher-Stine
OBJECTIVE: In the context of clinical evaluations performed on our prospective myositis cohort, we noted a striking association of severe cardiac disease in myositis patients with antimitochondrial antibodies. We sought to review all cases of antimitochondrial antibody (AMA) associated myositis in our cohort to describe the clinical features of this disease subset. METHODS: We identified 7 patients with confirmed antimitochondrial antibodies who presented as an inflammatory myopathy...
June 13, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28879041/pulmonary-arterial-hypertension-a-novelty-in-idiopathic-inflammatory-myopathies-insights-and-first-experiences-with-vasoactive-therapy
#9
Kavish J Bhansing, Anton Vonk-Noordegraaf, Frank Pt Oosterveer, Piet Lcm van Riel, Madelon C Vonk
To characterise the different types of pulmonary hypertension (PH) among idiopathic inflammatory myopathy (IIM). A retrospective case series with assessment of PH by right heart catheterisation, extent of interstitial lung disease (ILD) and outcome of vasoactive therapy.The group of patients with IIM with PH (n=9) showed a median age at PH diagnosis of 62 years (IQR 48-71 years; eight women), seven diagnosed with polymyositis and two with dermatomyositis; median disease duration of 5.7 years and five patients with a positive anti-Jo1 antibody...
2017: RMD Open
https://www.readbyqxmd.com/read/28866745/mortality-and-prognostic-factors-in-idiopathic-inflammatory-myositis-a-retrospective-analysis-of-a-large-multicenter-cohort-of-spain
#10
Laura Nuño-Nuño, Beatriz Esther Joven, Patricia E Carreira, Valentina Maldonado-Romero, Carmen Larena-Grijalba, Irene Llorente Cubas, Eva Gloria Tomero, María Carmen Barbadillo-Mateos, Paloma García De la Peña Lefebvre, Lucía Ruiz-Gutiérrez, Juan Carlos López-Robledillo, Henry Moruno-Cruz, Ana Pérez, Tatiana Cobo-Ibáñez, Raquel Almodóvar González, Leticia Lojo, María Jesús García De Yébenes, Francisco Javier López-Longo
The present study was undertaken to assess mortality, causes of death, and associated prognostic factors in a large cohort of patients diagnosed with idiopathic inflammatory myositis (IIM) from Spain. A retrospective longitudinal study was carried out in 467 consecutive patients with IIM, identified from 12 medical centers. Patients were classified as primary polymyositis, primary dermatomyositis (DM), overlap myositis, cancer-associated myositis (CAM), and juvenile idiopathic inflammatory myopathies. A total of 113 deaths occurred (24%) after a median follow-up time of 9...
November 2017: Rheumatology International
https://www.readbyqxmd.com/read/28854220/automated-diagnosis-of-myositis-from-muscle-ultrasound-exploring-the-use-of-machine-learning-and-deep-learning-methods
#11
Philippe Burlina, Seth Billings, Neil Joshi, Jemima Albayda
OBJECTIVE: To evaluate the use of ultrasound coupled with machine learning (ML) and deep learning (DL) techniques for automated or semi-automated classification of myositis. METHODS: Eighty subjects comprised of 19 with inclusion body myositis (IBM), 14 with polymyositis (PM), 14 with dermatomyositis (DM), and 33 normal (N) subjects were included in this study, where 3214 muscle ultrasound images of 7 muscles (observed bilaterally) were acquired. We considered three problems of classification including (A) normal vs...
2017: PloS One
https://www.readbyqxmd.com/read/28841590/cardiovascular-involvement-in-myositis
#12
Louise P Diederichsen
PURPOSE OF REVIEW: The purpose of this review is to provide an update on cardiovascular involvement in idiopathic inflammatory myopathy (IIM). Studies from the past 18 months are identified and reviewed. Finally, the clinical impact of these findings is discussed. RECENT FINDINGS: Epidemiological studies have revealed an increased risk of myocardial infraction and venous thromboembolism (VTE) - including deep venous thrombosis and pulmonary embolism - in adults with polymyositis or dermatomyositis compared to the general population, even after adjustment for potential confounders...
November 2017: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/28836555/upregulation-of-interleukin-21-and-interleukin-21-receptor-in-patients-with-dermatomyositis-and-polymyositis
#13
Tao Liu, Ying Hou, Ting-Jun Dai, Chuan-Zhu Yan
BACKGROUND: The immunopathologic mechanism underlying dermatomyositis (DM) and polymyositis (PM) remains poorly understood. Many cytokines play a pathogenic role in DM and PM. Interleukin 21 (IL-21) has a pleiotropic effect on inflammation regulation. This study aimed to detect the serum IL-21 level and investigate the expression of IL-21 and IL-21 receptor (IL-21R) in muscle tissues of patients with DM and PM. METHODS: Biopsied muscle samples were obtained from 11 patients with DM, 12 with PM, and six controls; mRNA levels of IL-21 and IL-21R were analyzed by real-time quantitative reverse transcription-polymerase chain reaction; and immunohistochemical staining was used to evaluate the protein expression of IL-21 and IL-21R...
September 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28832350/which-nonautoimmune-myopathies-are-most-frequently-misdiagnosed-as-myositis
#14
Andrew L Mammen
PURPOSE OF REVIEW: To discuss the spectrum of nonautoimmune myopathies that may be misdiagnosed as autoimmune myopathy. RECENT FINDINGS: Inherited myopathies, such as dysferlinopathy, calpainopathy, and facioscapulohumeral dystrophy may be misdiagnosed as autoimmune myopathy, especially when they have inflammatory muscle biopsies. Inclusion body myositis is frequently misdiagnosed as polymyositis when rimmed vacuoles are absent on muscle biopsy, and a careful neuromuscular evaluation is not performed...
November 2017: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/28831580/multiple-values-of-18-f-fdg-pet-ct-in-idiopathic-inflammatory-myopathy
#15
Yuan Li, Yunshan Zhou, Qian Wang
This study aimed to investigate the multiple values of (18)F-FDG PET/CT in detecting malignant tumors, evaluating myopathy, and determining interstitial lung disease in patients with idiopathic inflammatory myopathy (IIM). We retrospectively analyzed the data of 38 patients who were examined by (18)F-FDG PET/CT and eventually diagnosed as IIM. We also collected the data of another 22 cases with negative PET/CT as the control. Pulmonary HRCT images were acquired simultaneously with regular (18)F-FDG PET/CT imaging for each patient...
October 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28829792/effect-of-endurance-exercise-on-micrornas-in-myositis-skeletal-muscle-a-randomized-controlled-study
#16
RANDOMIZED CONTROLLED TRIAL
Jessica F Boehler, Marshall W Hogarth, Matthew D Barberio, James S Novak, Svetlana Ghimbovschi, Kristy J Brown, Li Alemo Munters, Ingela Loell, Yi-Wen Chen, Heather Gordish-Dressman, Helene Alexanderson, Ingrid E Lundberg, Kanneboyina Nagaraju
OBJECTIVE: To identify changes in skeletal muscle microRNA expression after endurance exercise and associate the identified microRNAs with mRNA and protein expression to disease-specific pathways in polymyositis (PM) and dermatomyositis (DM) patients. METHODS: Following a parallel clinical trial design, patients with probable PM or DM, exercising less than once a week, and on stable medication for at least one month were randomized into two groups at Karolinska University Hospital: a 12-week endurance exercise group (n = 12) or a non-exercised control group (n = 11)...
2017: PloS One
https://www.readbyqxmd.com/read/28816394/a-review-of-inflammatory-idiopathic-myopathy-focusing-on-polymyositis
#17
REVIEW
K E N Clark, D A Isenberg
Inflammatory idiopathic myopathies are a group of autoimmune diseases affecting predominantly the proximal skeletal muscles, with raised muscle enzymes, with or without skin involvement and extramuscular organ involvement. Autoantibodies help to characterize patients into different clinical phenotypes. Successful treatment necessitates controlling inflammation early with corticosteroids and invariably requires additional immunosuppressive therapy. This review focuses on the aetiology, pathogenesis, clinical presentation, investigations and management of patients presenting with inflammatory idiopathic myopathies, predominantly focusing on polymyositis and antisynthetase syndrome...
August 17, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28782262/relevance-of-ultrasonography-in-assessing-disease-activity-in-patients-with-idiopathic-inflammatory-myopathies
#18
Joana Sousa Neves, Daniela Santos Faria, Marcos Cerqueira, Maria Carmo Afonso, Filipa Teixeira
AIM: Idiopathic inflammatory myopathies (IIM) comprise a group of rare and heterogeneous diseases difficult to diagnose and follow up. Precise measures for assessing disease activity are not available at the moment. Our objective was to evaluate the usefulness of ultrasonography (US) as a monitoring tool in IIM. METHOD: The study evaluated IIM patients diagnosed and followed up from 2005 to 2015 in our department. Fifteen patients with a mean age of 52.2 ± 22...
August 7, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28776362/acute-heart-failure-and-rhabdomyolysis-a-clue-for-the-diagnosis-of-polymyositis-with-cardiac-involvement
#19
P Pinto-Lopes, L Carneiro-Leão, R Morais, J Pinheiro, A Vieira Lopes, P Bettencourt
Polymyositis is an idiopathic inflammatory myopathy, characterized by proximal muscle weakness and sometimes extramuscular manifestations. We report the case of a 51-year-old male, with history of complete heart block, which required pacemaker implantation, and subsequently heart failure, presenting to the emergency department with worsening of dyspnea and peripheral edema. He was admitted to the Internal Medicine ward with acute heart failure and started on diuretic therapy. During hospitalization, he was discovered to have marked rhabdomyolysis...
August 3, 2017: Reumatismo
https://www.readbyqxmd.com/read/28774458/ultrasound-in-arthritis
#20
REVIEW
Iwona Sudoł-Szopińska, Claudia Schueller-Weidekamm, Athena Plagou, James Teh
Ultrasound is currently performed in everyday rheumatologic practice. It is used for early diagnosis, to monitor treatment results, and to diagnose remission. The spectrum of pathologies seen in arthritis with ultrasound includes early inflammatory features and associated complications. This article discusses the spectrum of ultrasound features of arthritides seen in rheumatoid arthritis and other connective tissue diseases in adults, such as Sjögren syndrome, lupus erythematosus, dermatomyositis, polymyositis, and juvenile idiopathic arthritis...
September 2017: Radiologic Clinics of North America
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