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Ghanbar MI, Danoff SK. Review of Pulmonary Manifestations in Antisynthetase Syndrome. Semin Respir Crit Care Med 2024; 45:365-385. [PMID: 38710221 DOI: 10.1055/s-0044-1785536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
Antisynthetase syndrome (ASyS) is now a widely recognized entity within the spectrum of idiopathic inflammatory myopathies. Initially described in patients with a triad of myositis, arthritis, and interstitial lung disease (ILD), its presentation can be diverse. Additional common symptoms experienced by patients with ASyS include Raynaud's phenomenon, mechanic's hand, and fever. Although there is a significant overlap with polymyositis and dermatomyositis, the key distinction lies in the presence of antisynthetase antibodies (ASAs). Up to 10 ASAs have been identified to correlate with a presentation of ASyS, each having manifestations that may slightly differ from others. Despite the proposal of three classification criteria to aid diagnosis, the heterogeneous nature of patient presentations poses challenges. ILD confers a significant burden in patients with ASyS, sometimes manifesting in isolation. Notably, ILD is also often the initial presentation of ASyS, requiring pulmonologists to remain vigilant for an accurate diagnosis. This article will comprehensively review the various aspects of ASyS, including disease presentation, diagnosis, management, and clinical course, with a primary focus on its pulmonary manifestations.
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Affiliation(s)
- Mohammad I Ghanbar
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, Maryland
| | - Sonye K Danoff
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, Maryland
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2
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Nossent J, Keen H, Preen DB, Inderjeeth CA. The spectrum of idiopathic inflammatory myopathies in Western Australia: epidemiological characteristics and mortality over time. Rheumatol Int 2024; 44:329-337. [PMID: 37819456 PMCID: PMC10796655 DOI: 10.1007/s00296-023-05475-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 09/19/2023] [Indexed: 10/13/2023]
Abstract
To determine long term overall and subgroup specific incidence rates and associated mortality for idiopathic inflammatory myopathies (IIM) in a population wide study. We included patients hospitalised between 1980 and 2015 with incident IIM as defined by relevant diagnostic codes for dermatomyositis (DM) polymyositis (PM), inclusion body myositis (IBM), other IIM and overlap myositis (OM) in the Western Australia Health Hospital Morbidity Data Collection (n = 846). Trends over time for annual incidence rate per million population (AIR) were analysed by least square regression and Kaplan-Meier survival and mortality rates (MR)/100 person years compared with a matched control group (n = 3681). The averaged AIR for all IIM was 19 (CI 10.4-27.5) and stable over time with point prevalence reaching 205.3 (CI 185.6-226.6) per million in 2015. Over time, the AIR for DM 5.0 (CI 0.6-9.4) and IBM 3.3 (CI 0.7-9.6) was stable, while AIR decreased for PM (p < 0.01) and increased for other IIM (p < 0.01) and OM (p < 0.01). IBM patients were eldest at diagnosis (68 years, CI 59-77) with male preponderance in IBM (53.4%) and other IIM (55.8%) groups. Crude mortality (54.5 vs 41.3%), MR ratio (6.65 vs 5.91) and 5 (65.8% vs 71.6%) and 10-year (52.5% vs 58.7%) survival were all worse for IIM patients (all p < 0.05). IBM patients had highest MR (10.1; CI 8.38-12.14) and lowest 10-year survival (39.2%). While cardiovascular disease and cancer were predominant causes of death, they were proportionally lower in IIM patients, where respiratory and rheumatic disease were more frequent causes of death. While the overall incidence of IIM in WA was stable over 35 years, the spectrum of IIM has changed significantly with increases especially in other IIM and OM. The overall prognosis with IIM remains guarded with 10-year survival just over 50%.
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Affiliation(s)
- Johannes Nossent
- Department of Rheumatology, Sir Charles Gairdner Hospital, Perth, Australia.
- Rheumatology Group, School of Medicine, University of Western Australia, 35 Stirling Highway (M503), Perth, WA, Australia.
| | - Helen Keen
- Rheumatology Group, School of Medicine, University of Western Australia, 35 Stirling Highway (M503), Perth, WA, Australia
- Department of Rheumatology, Fiona Stanley Hospital, Perth, Australia
| | - David B Preen
- School of Population and Global Health, University Western Australia, Perth, Australia
| | - Charles A Inderjeeth
- Department of Rheumatology, Sir Charles Gairdner Hospital, Perth, Australia
- Rheumatology Group, School of Medicine, University of Western Australia, 35 Stirling Highway (M503), Perth, WA, Australia
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Fares J, Summer R, Loizidis G. Low utilization of statins in patients with dermatomyositis/polymyositis and hyperlipidemia: a multicenter USA-based study (2013-2023). Clin Rheumatol 2024; 43:325-338. [PMID: 37930595 DOI: 10.1007/s10067-023-06801-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 10/19/2023] [Accepted: 10/20/2023] [Indexed: 11/07/2023]
Abstract
OBJECTIVE While the cardioprotective benefits of statins for rheumatoid arthritis (RA) patients are well-established, there might be a hesitation in recommending them for dermatomyositis/polymyositis (DM/PM) patients with hyperlipidemia (HLD), particularly with myopathy. We sought to contrast statin prescription patterns between DM/PM-HLD and RA-HLD patients and delve into the mortality variations among DM/PM-HLD statin users and non-users. METHODS We examined a decade's worth of anonymized US health data from the TriNetX database. Inclusion criteria were a subsequent HLD diagnosis after an initial DM/PM or RA diagnosis. We compared statin initiation rates and mortality outcomes, adjusting for demographics and cardiovascular risks through propensity score matching. RESULTS The analysis comprised 33,000 RA-HLD and 1079 DM/PM-HLD patients. RA-HLD patients exhibited higher statin initiation (27.4%) than DM/PM-HLD patients (17.91%, p < 0.0001). Notably, DM/PM-HLD statin users (n = 311) presented a reduced mortality rate (75 deaths/1000/year) compared to non-users (n = 661) with 147 deaths/1000/year (p = 0.0273, HR = 0.515, CI 0.28-0.93). CONCLUSION There is a marked disparity in statin initiation between DM/PM-HLD and RA-HLD patients, accompanied by elevated mortality in DM/PM-HLD non-users. It is imperative for further research to elucidate this discrepancy and formulate patient-centric cardiovascular guidelines for DM/PM-HLD patients. Key Points • Statin initiation among patients with DM/PM-HLD is significantly lower than that with RA-HLD. • Mortality rates within the statin initiator DM/PM-HLD were significantly lower compared to non-statin DM/PM-HLD initiators, spanning multiple time intervals.
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Affiliation(s)
- Joseph Fares
- Division of Pulmonary and Critical Care, Department of Medicine, The Jane and Leonard Korman Respiratory Institute, Thomas Jefferson University, Philadelphia, PA, USA
| | - Ross Summer
- Division of Pulmonary and Critical Care, Department of Medicine, The Jane and Leonard Korman Respiratory Institute, Thomas Jefferson University, Philadelphia, PA, USA
| | - Giorgos Loizidis
- Division of Rheumatology, Department of Medicine, Thomas Jefferson University, Philadelphia, PA, USA.
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Khoo T, Lilleker JB, Thong BYH, Leclair V, Lamb JA, Chinoy H. Epidemiology of the idiopathic inflammatory myopathies. Nat Rev Rheumatol 2023; 19:695-712. [PMID: 37803078 DOI: 10.1038/s41584-023-01033-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/05/2023] [Indexed: 10/08/2023]
Abstract
The idiopathic inflammatory myopathies (IIMs) are a heterogeneous group of systemic autoimmune diseases that affect the skeletal muscles and can also involve the skin, joints, lungs and heart. The epidemiology of IIM is obscured by changing classification criteria and the inherent shortcomings of case identification using healthcare record diagnostic coding. The incidence of IIM is estimated to range from 0.2 to 2 per 100,000 person-years, with prevalence from 2 to 25 per 100,000 people. Although the effects of age and gender on incidence are known, there is only sparse understanding of ethnic differences, particularly in indigenous populations. The incidence of IIM has reportedly increased in the twenty-first century, but whether this is a genuine increase is not yet known. Understanding of the genetic risk factors for different IIM subtypes has advanced considerably. Infections, medications, malignancy and geography are also commonly identified risk factors. Potentially, the COVID-19 pandemic has altered IIM incidence, although evidence of this occurrence is limited to case reports and small case series. Consideration of the current understanding of the epidemiology of IIM can highlight important areas of interest for future research into these rare diseases.
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Affiliation(s)
- Thomas Khoo
- Division of Musculoskeletal and Dermatological Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
- School of Medicine, Faculty of Health and Medical Sciences, The University of Adelaide, Adelaide, South Australia, Australia
- Department of Rheumatology, Salford Royal Hospital, Northern Care Alliance NHS Foundation Trust, Manchester Academic Health Science Centre, Salford, UK
| | - James B Lilleker
- Division of Musculoskeletal and Dermatological Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
- Manchester Centre for Clinical Neuroscience, Manchester Academic Health Science Centre, Salford Royal Hospital, Northern Care Alliance NHS Foundation Trust, Salford, UK
| | - Bernard Yu-Hor Thong
- Department of Rheumatology, Allergy and Immunology, Tan Tock Seng Hospital, Singapore, Singapore
| | - Valérie Leclair
- Department of Medicine, Division of Rheumatology, McGill University, Montreal, Canada
| | - Janine A Lamb
- Epidemiology and Public Health Group, School of Health Sciences, The University of Manchester, Manchester, UK
| | - Hector Chinoy
- Division of Musculoskeletal and Dermatological Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK.
- Department of Rheumatology, Salford Royal Hospital, Northern Care Alliance NHS Foundation Trust, Manchester Academic Health Science Centre, Salford, UK.
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Zhang H, Chi H, Xie L, Sun Y, Liu H, Cheng X, Ye J, Shi H, Hu Q, Meng J, Zhou Z, Teng J, Yang C, Su Y. The use of high-sensitivity cardiac troponin I in assessing cardiac involvement and Disease prognosis in idiopathic inflammatory myopathy. Adv Rheumatol 2023; 63:52. [PMID: 37853434 DOI: 10.1186/s42358-023-00332-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 10/06/2023] [Indexed: 10/20/2023] Open
Abstract
OBJECTIVES Cardiac involvement is one of the most serious complications of idiopathic inflammatory myopathy (IIM) that indicates poor prognosis. However, there is a lack of effective biomarkers for the identification of cardiac involvement and the prediction of prognosis in IIM. Here, we aimed to explore the value of different cardiac biomarkers in IIM patients. METHODS A total of 142 IIM patients in the Department of Rheumatology and Immunology, Ruijin Hospital from July 2019 to October 2022 were included in this study. The clinical characteristics, laboratory tests, treatments and prognosis were recorded. The disease activity was assessed according to the core set measures. The correlations of the serum cardiac biomarkers levels with disease activity were analyzed by the Spearman correlation test. Risk factors for cardiac involvement were evaluated by multivariate logistic regression analysis. RESULTS Higher high-sensitivity cardiac troponin I (hs-cTnI) levels were associated with cardiac involvement (n = 41) in IIM patients [adjusted OR 7.810 (95% CI: 1.962-31.097); p = 0.004], independent of other serum cardiac biomarkers. The abnormal hs-cTnI had the highest AUC for distinguishing of cardiac involvement in IIM patients (AUC = 0.848, 95% CI: 0.772,0.924; p < 0.001). Besides, we found that high serum levels of hs-cTnI were significantly correlated with disease activity. Moreover, patients with higher serum levels of hs-cTnI tended to suffer from poor prognosis. CONCLUSIONS Serum hs-cTnI testing may play a role in screening for cardiac involvement in IIM patients. Abnormal levels of serum hs-cTnI were associated with increased disease activity and poor prognosis.
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Affiliation(s)
- Hao Zhang
- Department of Rheumatology and Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No. 197 Ruijin Second Road, Shanghai, 200025, China
| | - Huihui Chi
- Department of Rheumatology and Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No. 197 Ruijin Second Road, Shanghai, 200025, China
| | - Liangzhe Xie
- Department of Laboratory Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yue Sun
- Department of Rheumatology and Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No. 197 Ruijin Second Road, Shanghai, 200025, China
| | - Honglei Liu
- Department of Rheumatology and Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No. 197 Ruijin Second Road, Shanghai, 200025, China
| | - Xiaobing Cheng
- Department of Rheumatology and Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No. 197 Ruijin Second Road, Shanghai, 200025, China
| | - Junna Ye
- Department of Rheumatology and Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No. 197 Ruijin Second Road, Shanghai, 200025, China
| | - Hui Shi
- Department of Rheumatology and Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No. 197 Ruijin Second Road, Shanghai, 200025, China
| | - Qiongyi Hu
- Department of Rheumatology and Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No. 197 Ruijin Second Road, Shanghai, 200025, China
| | - Jianfen Meng
- Department of Rheumatology and Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No. 197 Ruijin Second Road, Shanghai, 200025, China
| | - Zhuochao Zhou
- Department of Rheumatology and Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No. 197 Ruijin Second Road, Shanghai, 200025, China
| | - Jialin Teng
- Department of Rheumatology and Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No. 197 Ruijin Second Road, Shanghai, 200025, China
| | - Chengde Yang
- Department of Rheumatology and Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No. 197 Ruijin Second Road, Shanghai, 200025, China.
| | - Yutong Su
- Department of Rheumatology and Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No. 197 Ruijin Second Road, Shanghai, 200025, China.
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Shah M, Shinjo SK, Day J, Gupta L. Cardiovascular manifestations in idiopathic inflammatory myopathies. Clin Rheumatol 2023; 42:2557-2575. [PMID: 37148365 PMCID: PMC10497702 DOI: 10.1007/s10067-023-06599-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 04/04/2023] [Accepted: 04/09/2023] [Indexed: 05/08/2023]
Abstract
Cardiovascular involvement in idiopathic inflammatory myopathies (IIM) is an understudied area which is gaining increasing recognition in recent times. Recent advances in imaging modalities and biomarkers have allowed the detection of subclinical cardiovascular manifestations in IIM. However, despite the availability of these tools, the diagnostic challenges and underestimated prevalence of cardiovascular involvement in these patients remain significant. Notably, cardiovascular involvement remains one of the leading causes of mortality in patients with IIM. In this narrative literature review, we outline the prevalence and characteristics of cardiovascular involvement in IIM. Additionally, we explore investigational modalities for early detection of cardiovascular involvement, as well as newer approaches in screening to facilitate timely management. Key points • Cardiac involvement in IIM in majority cases is subclinical and a major cause of mortality. • Cardiac magnetic resonance imaging is sensitive for detection of subclinical cardiac involvement.
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Affiliation(s)
- Meera Shah
- Department of Rheumatology, Indraprastha Apollo Hospital, New Delhi, Delhi, 110076, India
| | - Samuel Katsuyuki Shinjo
- Division of Rheumatology, Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Jessica Day
- Department of Rheumatology, Royal Melbourne Hospital, Parkville, VIC, 3050, Australia
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, 3052, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, 3052, Australia
| | - Latika Gupta
- Department of Rheumatology, Royal Wolverhampton Hospitals NHS Trust, Wolverhampton, WV10 0QP, UK.
- Department of Rheumatology, City Hospital, Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, UK.
- Division of Musculoskeletal and Dermatological Sciences, Centre for Musculoskeletal Research, School of Biological Sciences, The University of Manchester, Manchester, UK.
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Fairley JL, Ross L, Burns A, Prior D, Conron M, Rouse H, McDonald J, MacIsaac A, La Gerche A, Morrisroe K, Ferdowsi N, Quinlivan A, Brown Z, Stevens W, Nikpour M. Multidisciplinary team discussion: the emerging gold standard for management of cardiopulmonary complications of connective tissue disease. Intern Med J 2023; 53:1919-1924. [PMID: 37772776 PMCID: PMC10947227 DOI: 10.1111/imj.16233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 08/28/2023] [Indexed: 09/30/2023]
Abstract
Cardiopulmonary complications of connective tissue diseases (CTDs), particularly pulmonary arterial hypertension (PAH) and interstitial lung disease (ILD), are major determinants of morbidity and mortality. Multidisciplinary meetings may improve diagnostic accuracy and optimise treatment. We review the literature regarding multidisciplinary meetings in CTD-ILD and PAH and describe our tertiary centre experience of the role of the multidisciplinary meeting in managing CTD-PAH.
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Affiliation(s)
- Jessica L. Fairley
- Department of MedicineThe University of MelbourneMelbourneVictoriaAustralia
- Department of RheumatologySt. Vincent's Hospital MelbourneMelbourneVictoriaAustralia
| | - Laura Ross
- Department of MedicineThe University of MelbourneMelbourneVictoriaAustralia
- Department of RheumatologySt. Vincent's Hospital MelbourneMelbourneVictoriaAustralia
| | - Andrew Burns
- Department of MedicineThe University of MelbourneMelbourneVictoriaAustralia
- Department of CardiologySt Vincent's Hospital MelbourneMelbourneAustralia
| | - David Prior
- Department of MedicineThe University of MelbourneMelbourneVictoriaAustralia
- Department of CardiologySt Vincent's Hospital MelbourneMelbourneAustralia
| | - Matthew Conron
- Department of Respiratory MedicineSt Vincent's Hospital MelbourneMelbourneAustralia
| | - Hannah Rouse
- Department of RadiologySt Vincent's Hospital MelbourneMelbourneVictoriaAustralia
| | - Julie McDonald
- Department of Respiratory MedicineSt Vincent's Hospital MelbourneMelbourneAustralia
| | - Andrew MacIsaac
- Department of CardiologySt Vincent's Hospital MelbourneMelbourneAustralia
| | - André La Gerche
- Department of MedicineThe University of MelbourneMelbourneVictoriaAustralia
- Baker Heart and Diabetes InstituteVictoriaAustralia
| | - Kathleen Morrisroe
- Department of MedicineThe University of MelbourneMelbourneVictoriaAustralia
- Department of RheumatologySt. Vincent's Hospital MelbourneMelbourneVictoriaAustralia
| | - Nava Ferdowsi
- Department of RheumatologySt. Vincent's Hospital MelbourneMelbourneVictoriaAustralia
| | - Alannah Quinlivan
- Department of MedicineThe University of MelbourneMelbourneVictoriaAustralia
- Department of RheumatologySt. Vincent's Hospital MelbourneMelbourneVictoriaAustralia
| | - Zoe Brown
- Department of MedicineThe University of MelbourneMelbourneVictoriaAustralia
- Department of RheumatologySt. Vincent's Hospital MelbourneMelbourneVictoriaAustralia
| | - Wendy Stevens
- Department of RheumatologySt. Vincent's Hospital MelbourneMelbourneVictoriaAustralia
| | - Mandana Nikpour
- Department of MedicineThe University of MelbourneMelbourneVictoriaAustralia
- Department of RheumatologySt. Vincent's Hospital MelbourneMelbourneVictoriaAustralia
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de Visser M, Carlier P, Vencovský J, Kubínová K, Preusse C. 255th ENMC workshop: Muscle imaging in idiopathic inflammatory myopathies. 15th January, 16th January and 22nd January 2021 - virtual meeting and hybrid meeting on 9th and 19th September 2022 in Hoofddorp, The Netherlands. Neuromuscul Disord 2023; 33:800-816. [PMID: 37770338 DOI: 10.1016/j.nmd.2023.08.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 08/20/2023] [Accepted: 08/25/2023] [Indexed: 09/30/2023]
Abstract
The 255th ENMC workshop on Muscle Imaging in Idiopathic Inflammatory myopathies (IIM) aimed at defining recommendations concerning the applicability of muscle imaging in IIM. The workshop comprised of clinicians, researchers and people living with myositis. We aimed to achieve consensus on the following topics: a standardized protocol for the evaluation of muscle images in various types of IIMs; the exact parameters, anatomical localizations and magnetic resonance imaging (MRI) techniques; ultrasound as assessment tool in IIM; assessment methods; the pattern of muscle involvement in IIM subtypes; the application of MRI as biomarker in follow-up studies and clinical trials, and the place of MRI in the evaluation of swallowing difficulty and cardiac manifestations. The following recommendations were formulated: In patients with suspected IIM, muscle imaging is highly recommended to be part of the initial diagnostic workup and baseline assessment. MRI is the preferred imaging modality due to its sensitivity to both oedema and fat accumulation. Ultrasound may be used for suspected IBM. Repeat imaging should be considered if patients do not respond to treatment, if there is ongoing diagnostic uncertainty or there is clinical or laboratory evidence of disease relapse. Quantitative MRI is established as a sensitive biomarker in IBM and could be included as a primary or secondary outcome measure in early phase clinical trials, or as a secondary outcome measure in late phase clinical trials. Finally, a research agenda was drawn up.
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Affiliation(s)
- Marianne de Visser
- Department of Neurology, Amsterdam Neuroscience, Amsterdam University Medical Centre, Location Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands.
| | | | - Jiří Vencovský
- Institute of Rheumatology, Department of Rheumatology, Charles University, Prague, Czech Republic
| | - Kateřina Kubínová
- Institute of Rheumatology, Department of Rheumatology, Charles University, Prague, Czech Republic
| | - Corinna Preusse
- Charité-Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health Department of Neuropathology, Berlin, Germany
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Zhang X, Lyu X. Pyomyositis Secondary to Localized Cellulitis in a Dermatomyositis Patient: A Case Report and Review of Infectious Complications in Dermatomyositis. Clin Cosmet Investig Dermatol 2023; 16:2201-2209. [PMID: 37588111 PMCID: PMC10426407 DOI: 10.2147/ccid.s417772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 07/21/2023] [Indexed: 08/18/2023]
Abstract
Dermatomyositis (DM) is an autoimmune disorder characterized by proximal muscle weakness and distinct cutaneous features. Unfortunately, infection is a frequent and potentially life-threatening complication in patients with DM. Here, we present a case of pyomyositis in a patient with DM resulting from localized cellulitis. The patient also presented with subcutaneous calcification nodules and dermatomyositis-associated lipodermatosclerosis nodules. To our knowledge, there have been no reports of pyomyositis in patients with DM to date. Furthermore, we reviewed the infectious complications related to DM and polymyositis (PM). We found that idiopathic inflammatory myopathy (IIM) patients exhibit a considerable infection-related mortality rate, ranging from 4.3% to 7.2%. In IIM, infections were identified as the primary cause of mortality in a substantial proportion of cases, accounting for 22.0-83.3% of deaths. These findings have implications for the importance of identifying and managing infections in IIM patients and suggest the need for further research into infection-related complications in these patients.
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Affiliation(s)
- Xingwei Zhang
- Department of Dermatology, West China Hospital, Sichuan University, Chengdu, People’s Republic of China
- Laboratory of Dermatology, Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, People’s Republic of China
| | - Xiaoyan Lyu
- Department of Dermatology, West China Hospital, Sichuan University, Chengdu, People’s Republic of China
- Laboratory of Dermatology, Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, People’s Republic of China
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Kronzer VL, Kimbrough BA, Crowson CS, Davis JM, Holmqvist M, Ernste FC. Incidence, Prevalence, and Mortality of Dermatomyositis: A Population-Based Cohort Study. Arthritis Care Res (Hoboken) 2023; 75:348-355. [PMID: 34549549 PMCID: PMC8934743 DOI: 10.1002/acr.24786] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 09/07/2021] [Accepted: 09/14/2021] [Indexed: 11/07/2022]
Abstract
OBJECTIVE We aimed to determine the population-based incidence, prevalence, and mortality of dermatomyositis (DM) using European Alliance of Associations for Rheumatology (EULAR)/American College of Rheumatology (ACR) criteria. METHODS This population-based cohort study included incident DM from January 1, 1995 to December 31, 2019. We manually reviewed all individuals with at least 1 code for DM or polymyositis to determine if they met EULAR/ACR criteria, subspecialty physician diagnosis, and/or Bohan and Peter criteria. We age- and sex-adjusted incidence and prevalence estimates to the US non-Hispanic White year 2000 population and estimated prevalence on January 1, 2015. Standardized mortality ratios (SMRs) with 95% confidence intervals (95% CIs) compared observed to expected mortality adjusting for age, sex, and year. RESULTS We identified 40 cases of verified DM, with 29 cases incident in Olmsted County from 1995 to 2019. The mean age was 57 years, 26 (90%) were female, and 12 (41%) had clinically amyopathic DM (CADM). The median follow-up time was 8.2 years. The overall adjusted incidence of DM was 1.1 (95% CI 0.7-1.5) per 100,000 person-years, and prevalence was 13 (95% CI 6-19) per 100,000. The SMR was significantly elevated among the myopathic DM cases (3.1 [95% CI 1.1-6.8]) but not CADM cases (1.1 [95% CI 0.2-3.3]). The positive predictive value of ≥2 DM codes was only 40 of 82 (49%). CONCLUSION This population-based study found that DM incidence and prevalence were higher than previously reported. Mortality was significantly elevated for myopathic DM but not for CADM.
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Affiliation(s)
| | | | - Cynthia S. Crowson
- Division of Rheumatology, Mayo Clinic, Rochester, Minnesota, USA
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, Minnesota, USA
| | - John M. Davis
- Division of Rheumatology, Mayo Clinic, Rochester, Minnesota, USA
| | - Marie Holmqvist
- Clinical Epidemiology Division, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
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Cardiac involvement in anti-MDA5 dermatomyositis: a case-based review. Clin Rheumatol 2023; 42:949-958. [PMID: 36454342 PMCID: PMC9935742 DOI: 10.1007/s10067-022-06401-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 09/30/2022] [Accepted: 10/03/2022] [Indexed: 12/04/2022]
Abstract
Among myositis-specific antibodies, anti-melanoma differentiation-associated gene 5 (anti-MDA5) is one of the antibodies with a unique spectrum that is expressed principally in clinically amyopathic dermatomyositis (CADM) and, to a lesser extent, in dermatomyositis (DM). In addition to muscle and classical skin involvement, patients with anti-MDA5 DM/CADM are characterized by the expression of rapidly progressive interstitial lung diseases, vasculopathic lesions, and non-erosive arthritis. Although cardiac involvement has been described in other inflammatory myopathies, such as myocarditis, pericarditis, and conduction disorders, in anti-MDA5 DM/CADM patients, heart disease is infrequent. We report a case of a young male presenting with constitutional symptoms, polyarthritis, skin ulcers, and mild muscle weakness who developed an episode of high ventricular rate atrial fibrillation during his hospitalization. The anti-MDA5 DM diagnosis was supported by increased muscular enzymes, positive anti-MDA5 and anti-Ro52 antibodies, and the presence of organizing pneumonia. He was treated with high-dose glucocorticoids, rituximab, and beta-blocker drugs and received pharmacological cardioversion, which improved his myopathy symptoms and stabilized his heart rhythm. Here, we describe eight similar cases of anti-MDA5 DM/CADM with cardiac involvement. The case presented and the literature reviewed reveal that although rare, physicians must be aware of cardiac disease in patients with suggestive symptoms to guarantee early assessment and treatment, thereby reducing life-treating consequences.
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Simonsen JA, Thøgersen KF, Hvidsten S, Gerke O, Høilund-Carlsen PF, Diederichsen LP. Treatment-naïve idiopathic inflammatory myopathy: disease evaluation by fluorodeoxyglucose versus pyrophosphate. THE EGYPTIAN JOURNAL OF RADIOLOGY AND NUCLEAR MEDICINE 2022. [DOI: 10.1186/s43055-022-00822-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Imaging of idiopathic inflammatory myopathies (IIMs) is challenging, and no pathognomonic signs exist. Different tracers have been tested for this purpose, mainly inflammation markers including technetium-99m-pyrophosphate (PYP). We aimed to examine the utility of fluorine-18-fluorodeoxyglucose (FDG) relative to PYP in idiopathic inflammatory myopathy (IIM).
Methods
Using visual grading and CT-guided muscular segmentation and standardized uptake values (SUVs), we assessed muscular tracer uptake qualitatively and quantitatively, comparing FDG uptake in eight patients with recent-onset IIM and 24 healthy control persons and FDG and PYP uptake in seven patients.
Results
Muscular FDG and PYP uptake was increased in all patients. However, uptake distribution and signal intensity differed considerably. FDG scans revealed clear involvement of certain muscle groups including core and swallowing muscles and, in addition, abnormality in diseased extra-muscular organs. PYP was mainly visible in bones, whereas muscular PYP uptake was generally discrete and primarily located in the extremities. Quantitatively, FDG uptake was significantly higher in patients than in controls; the volume-weighted SUVmean for all right-side muscles was 0.84 versus 0.60 g/ml (95% confidence interval (CI) for mean difference 0.14–0.34, p = 0.0001). FDG SUVmean values were up to four times higher than PYP mean values in upper limb muscles (95% CI for the mean ratio 2.37–3.77, p = 0.0004) and two–three times higher in lower limb muscles (95% CI for the mean ratio 2.28–2.71, p < 0.0001).
Conclusions
Muscular FDG uptake was higher in treatment-naïve IIM patients than in healthy controls and more distinct than PYP uptake in patients with a potential to reveal extra-muscular IIM involvement and malignancy. Thus, FDG appears to be superior to PYP in the diagnostic evaluation of IIM.
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Péter A, Balogh Á, Csanádi Z, Dankó K, Griger Z. Subclinical systolic and diastolic myocardial dysfunction in polyphasic polymyositis/dermatomyositis: a 2-year longitudinal study. Arthritis Res Ther 2022; 24:219. [PMID: 36088383 PMCID: PMC9463723 DOI: 10.1186/s13075-022-02906-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 08/30/2022] [Indexed: 11/15/2022] Open
Abstract
Background Cardiac involvement in patients with idiopathic inflammatory myopathies (IIM) is associated with increased morbidity and mortality risk; however, little is known about the progression of cardiac dysfunction and long-term data are scarce. In the present work, we intended to prospectively study echocardiographic parameters in patients with IIM for 2 years. Methods Twenty-eight IIM patients (41.9±1.6 years) without cardiovascular symptoms were enrolled. Patients with monophasic/polyphasic disease patterns were studied separately and compared to age-matched healthy individuals. Conventional echocardiographic and tissue Doppler imaging (TDI) parameters of systolic [LV: ejection fraction (EF), mitral annulus systolic movement (MAPSE), lateral s′) and diastolic left (mitral inflow velocities, lateral anulus velocities: e′, a′, E/e′) and right ventricular function (fractional area change: FAC, tricuspid annulus plane systolic excursion: TAPSE) were measured at the time of the diagnosis and 2 years later. Results Subclinical LV systolic dysfunction is characterized by reduced lateral s′ (10.4 vs. 6.4 cm/s, p<0.05), EF (62.6±0.6%, vs. 51.7±0.7%) and MAPSE (18.5±0.6 vs. 14.5±0.6 mm) could be observed in IIM patients with polyphasic disease course 2 years after diagnosis compared to controls. Furthermore, diastolic LV function showed a marked deterioration to grade I diastolic dysfunction at 2 years in the polyphasic group (lateral e′: 12.9 ±0.6, vs. 7.4±0.3 cm/s; lateral a′: 10.7±0.3, vs. 17.3±0.8 cm/s; p<0.05) supported by larger left atrium (32.1±0.6 vs. 37.8±0.6 mm; p<0.05]. TDI measurements confirmed subclinical RV systolic dysfunction in polyphasic patients 2 years after diagnosis (FAC: 45.6±1.8%, vs. 32.7±1.4%; TAPSE: 22.7±0.5, vs. 18.1±0.3 mm; p<0.05). Similar, but not significant tendencies could be detected in patients with monophasic disease patterns. Polyphasic patients showed significantly (p<0.05) worse results compared to monophasic patients regarding EF (51.7±0.7% vs. 58.1±0.6%), lateral s′ (6.4±0.4 cm/sec vs. 8.6±0.4 cm/s,), left atrium (37.8±0.6 mm vs. 33.3±0.8 mm), FAC (32.7±1.4% vs. 41.0±1.6%) and TAPSE (18.1±0.3 mm vs. 21.3±0.7 mm). Conclusions Significant subclinical cardiac dysfunction could be detected in IIM patients with polyphasic disease course 2 years after diagnosis, which identifies them as a high-risk population. TDI is a useful method to detect echocardiographic abnormalities in IIM complementing conventional echocardiography and can recognize the high cardiac risk.
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Zhang Y, Yang X, Qin L, Luo Q, Wang H. Left ventricle diastolic dysfunction in idiopathic inflammatory myopathies: A meta-analysis and systematic review. Mod Rheumatol 2021; 32:589-597. [PMID: 34910205 DOI: 10.1093/mr/roab041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 06/07/2021] [Accepted: 07/09/2021] [Indexed: 11/13/2022]
Abstract
OBJECTIVES Recent studies have confirmed that heart failure is one of the most important causes of death in patients with idiopathic inflammatory myopathy (IIM). Left ventricle diastolic dysfunction (LVDD) is closely associated with heart failure. Our aim is to determine if the prevalence of LVDD is increased in IIM patients. METHODS We performed a time- and language-restricted literature search to identify studies conducted to compare the echocardiographic parameters in IIM patients and controls. Mean differences were used to calculate the effect sizes of the echocardiographic parameters. RESULTS A total of 13 studies met the inclusion criteria and comprised a total of 227 juvenile dermatomyositis (JDM) patients, 391 adult IIM patients, and 550 controls. The adult IIM patients had lower mitral annular early diastolic velocity (e') and peak of early diastolic flow velocity/peak of late diastolic flow velocity (E/A) ratio compared to controls. The mean left atrial dimension and E/e' ratio was higher in adult IIM patients as compared to controls. Similarly, in JDM patients, the decreased e' was also observed. CONCLUSION Patients with IIM were more likely to have echocardiographic parameters indicative of diastolic dysfunction. The early heart assessments should be performed in IIM patients.
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Affiliation(s)
- Yiwen Zhang
- Department of Cardiology, Affiliated Hospital of Southwest Jiaotong University, The Third People's Hospital of Chengdu, Chengdu, China
| | - Xiaoqian Yang
- Department of Cardiology, Affiliated Hospital of Southwest Jiaotong University, The Third People's Hospital of Chengdu, Chengdu, China
| | - Li Qin
- Department of Cardiology, Affiliated Hospital of Southwest Jiaotong University, The Third People's Hospital of Chengdu, Chengdu, China
| | - Qiang Luo
- Department of Cardiology, Affiliated Hospital of Southwest Jiaotong University, The Third People's Hospital of Chengdu, Chengdu, China
| | - Han Wang
- Department of Cardiology, Affiliated Hospital of Southwest Jiaotong University, The Third People's Hospital of Chengdu, Chengdu, China
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15
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Naaraayan A, Meredith A, Nimkar A, Arora G, Bharati R, Acharya P. Arrhythmia prevalence among patients with polymyositis-dermatomyositis in the United States: An observational study. Heart Rhythm 2021; 18:1516-1523. [PMID: 34048962 DOI: 10.1016/j.hrthm.2021.05.029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 05/03/2021] [Accepted: 05/19/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND Systemic inflammation has been associated with atherosclerotic cardiovascular diseases (ASCVD) and arrhythmia occurrence in rheumatologic conditions such as rheumatoid arthritis. Polymyositis and dermatomyositis (PD) are rare rheumatologic conditions characterized by symmetrical proximal muscle weakness and, in the case of dermatomyositis, cutaneous eruption. Although there is literature associating PD with ASCVD, no population-level studies have analyzed arrhythmia risk in PD. OBJECTIVE The purpose of this study was to assess the prevalence of arrhythmia and its subtypes by age and sex in patients with PD and to determine associations between arrhythmia and PD. METHODS This retrospective cohort study included adults for whom hospitalizations had been recorded in the National Inpatient Sample database in the United States between 2016 and 2018. Patients with PD were matched (1:10) by age to patients without PD. Prevalence of arrhythmia was calculated in the 2 groups and compared by sex and age groups. Associations between PD and arrhythmia were determined after adjustment for common arrhythmia risk factors. RESULTS From 107,001,355 hospitalizations, 32,085 adults with PD were matched to 320,850 controls. Patients with PD aged <70 years had a higher prevalence of arrhythmia and higher adjusted odds of arrhythmia compared with controls. This increased risk was only seen for supraventricular arrhythmias. Adults with PD had increased odds of in-hospital mortality if they had an arrhythmia diagnosis (odds ratio 3.3; 95% confidence interval 2.5-4.5; P <.001). CONCLUSION We found a higher prevalence and odds of arrhythmias, particularly supraventricular arrhythmias, in young and middle-aged patients with PD compared with matched controls. Arrhythmias were associated with significant mortality among patients with PD.
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Affiliation(s)
- Ashutossh Naaraayan
- Department of Medicine, Montefiore New Rochelle Hospital, New Rochelle, New York.
| | - Amanda Meredith
- Department of Medicine, Rutgers University Medical Center, Newark, New Jersey
| | - Abhishek Nimkar
- Department of Medicine, Montefiore New Rochelle Hospital, New Rochelle, New York
| | - Geetika Arora
- Department of Medicine, Mt Sinai Beth Israel, New York, New York
| | - Rajani Bharati
- Department of Community Health and Health Policy, CUNY Graduate School of Public Health and Health Policy, New York, New York
| | - Prakash Acharya
- Department of Cardiology, University of Kansas Medical Center, Kansas City, Kansas
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Muhammed H, Gupta L, Zanwar AA, Misra DP, Lawrence A, Agarwal V, Aggarwal A, Misra R. Infections Are Leading Cause of In-Hospital Mortality in Indian Patients With Inflammatory Myopathy. J Clin Rheumatol 2021; 27:114-119. [PMID: 31804256 DOI: 10.1097/rhu.0000000000001214] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
OBJECTIVES We explored causes of in-hospital mortality in patients with inflammatory myositis at a tertiary care center in Northern India. METHODS Records of adults and children diagnosed with dermatomyositis (DM), polymyositis, or anti-synthetase syndrome (ASSD) who died between 2000 and 2018 were reviewed, and causes of death were determined. RESULTS Of the 38 patients, 20 had DM (including 2 clinically amyopathic DM), 4 juvenile DM, 12 polymyositis, whereas 2 had ASSD. Median age at death was 42.0 (interquartile range, 32.8-52.5) years. Median disease duration at death was 18.5 (interquartile range, 2.0-23.5) months. Twenty-four (63.2%) had infection as the primary cause of death. Other causes of death included pharyngeal muscle weakness and aspiration (n = 6), myocarditis (n = 2), respiratory failure (n = 2), cerebral bleed (n = 2), and pulmonary embolism (n = 1). One patient succumbed to rapidly progressive interstitial lung disease, whereas another patient with ASSD died following respiratory distress after rituximab infusion. In post hoc analysis, although thrombocytopenia appeared to be a risk factor for early mortality (odds ratio, 13.3; 95% confidence interval, 1.4-123.8; p = 0.01), this was not supported in the multivariate analysis. CONCLUSIONS Infections are the most common cause of in-hospital mortality in myositis patients.
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Affiliation(s)
- Hafis Muhammed
- From the Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Post Graduate Institute of Medical Science, Lucknow, Uttar Pradesh, India
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Abstract
PURPOSE OF REVIEW To examine recent developments relating to cardiac involvement in the adult idiopathic inflammatory myopathies (IIM) and those inherited muscle diseases which may present in adulthood and mimic IIM. RECENT FINDINGS Cardiac involvement is a common feature of IIM and inherited muscle diseases. Frequency according to disease subtype varies, with serotype having particular influence in IIM, and genotype in the inherited muscle diseases. Innovative techniques for examining cardiac function have been investigated further, including speckle-tracking echocardiography and cardiac magnetic resonance tomography. The present work has highlighted a likely underestimate of the burden of cardiac disease to date. The complex relationship between IIM, atherosclerosis, and traditional cardiovascular risk factors has been further elucidated. Consensus recommendations for managing patients with inherited muscle diseases and prominent cardiac involvement have been recently published. In addition to supportive care, disease modifying treatments are increasingly becoming available for inherited muscle diseases which may also improve cardiac outcomes. SUMMARY Cardiac involvement is associated with significant morbidity and mortality. We suggest having a low threshold for considering the possibility of cardiac involvement in all patients with muscle disease.
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18
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Farrow M, Biglands JD, Grainger AJ, O'Connor P, Hensor EMA, Ladas A, Tanner SF, Emery P, Tan AL. Quantitative MRI in myositis patients: comparison with healthy volunteers and radiological visual assessment. Clin Radiol 2020; 76:81.e1-81.e10. [PMID: 32958223 DOI: 10.1016/j.crad.2020.08.022] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 08/21/2020] [Indexed: 10/23/2022]
Abstract
AIM To assess whether magnetic resonance imaging (MRI)-based measurements of T2, fat fraction, diffusion tensor imaging, and muscle volume can detect differences between the muscles of myositis patients and healthy controls, and to identify how they compare with semi-quantitative MRI diagnosis. MATERIALS AND METHODS Sixteen myositis patients and 16 age- and gender-matched healthy controls underwent MRI of their thigh. Quantitative MRI measurements and radiologists' semi-quantitative scores were assessed. Strength was assessed using an isokinetic dynamometer. RESULTS Fat fraction and T2 values were higher in myositis patients whereas muscle volume was lower compared to healthy controls. There was no difference in diffusion. Muscle strength was lower in myositis patients compared to healthy controls. In a subgroup of eight patients, scored as unaffected by radiologists, T2 values were still significantly higher in myositis patients. CONCLUSIONS Quantitative MRI measurements can detect differences between myositis patients and healthy controls. Changes in the muscles of myositis patients, undetected by visual, semi-quantitative scoring, can be detected using quantitative T2 measurements. This suggests that MRI T2 values may be useful for the management of myositis patients.
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Affiliation(s)
- M Farrow
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, Chapel Allerton Hospital, University of Leeds, UK; NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK; School of Pharmacy and Medical Sciences, University of Bradford, UK
| | - J D Biglands
- NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK; Medical Physics and Engineering, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - A J Grainger
- Deprtment of Radiology, Cambridge University Hospital, Cambridge, UK; Academic Department of Radiology, University of Cambridge, UK
| | - P O'Connor
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, Chapel Allerton Hospital, University of Leeds, UK; NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - E M A Hensor
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, Chapel Allerton Hospital, University of Leeds, UK; NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - A Ladas
- Imperial College Healthcare NHS Trust, Charing Cross Hospital, London, UK
| | - S F Tanner
- NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK; Medical Physics and Engineering, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - P Emery
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, Chapel Allerton Hospital, University of Leeds, UK; NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - A L Tan
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, Chapel Allerton Hospital, University of Leeds, UK; NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK.
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Paramalingam S, Counsel P, Mastaglia FL, Keen H, Needham M. Imaging in the diagnosis of idiopathic inflammatory myopathies; indications and utility. Expert Rev Neurother 2019; 19:173-184. [PMID: 30661408 DOI: 10.1080/14737175.2019.1572507] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
INTRODUCTION Idiopathic inflammatory myopathies (IIM) are a heterogeneous group of muscle diseases that carry a significant morbidity and mortality risk. The utilization of imaging in the diagnostic pathway of IIM is therefore important to obtain early diagnosis and even monitor patients over time. Areas covered: Magnetic resonance imaging (MRI) has been the main imaging modality used to detect myositis but limitations include cost and accessibility, leading to delays in time to scan, and patient contraindications. This has led to the exploration of other imaging techniques to diagnose and monitor response to therapy. This article is based primarily on a literature search via PubMed using Boolean terms 'myositis' and the various imaging modalities. Expert opinion: Imaging is sensitive to pathology in IIM and may contribute to the diagnostic process. Learning how specific imaging features can distinguish different forms of IIM may allow more rapid diagnosis of myositis subtype and treatment planning, and to monitor disease activity particularly in patients who respond poorly to treatment. However, more work is needed to investigate the validity and relative utility of these imaging modalities.
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Affiliation(s)
- Shereen Paramalingam
- a Department of Rheumatology , Fiona Stanley Hospital , Murdoch , Australia.,b School of Medicine , Notre Dame University Australia , Fremantle , Australia
| | - Peter Counsel
- c Department of Radiology , Perth Radiology Clinic , Subiaco , Australia.,d Department of Radiology , Perth Children's Hospital , Nedlands , Australia
| | - Frank L Mastaglia
- e School of Medicine , University of Western Australia , Crawley , Australia.,f Department of Neurology , Perron Institute for Neurological and translational science , Nedlands , Australia
| | - Helen Keen
- a Department of Rheumatology , Fiona Stanley Hospital , Murdoch , Australia.,e School of Medicine , University of Western Australia , Crawley , Australia.,g School of Medicine , Murdoch University , Murdoch , Australia
| | - Merrilee Needham
- b School of Medicine , Notre Dame University Australia , Fremantle , Australia.,g School of Medicine , Murdoch University , Murdoch , Australia.,h Department of Neurology , Fiona Stanley Hospital , Murdoch , Australia
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20
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Real-world evidence in rheumatic diseases: relevance and lessons learnt. Rheumatol Int 2019; 39:403-416. [PMID: 30725156 DOI: 10.1007/s00296-019-04248-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2018] [Accepted: 01/28/2019] [Indexed: 12/17/2022]
Abstract
An emerging trend in the medical literature, including the Rheumatology literature, is that of accumulating large, multicentric, multi-national data based on registries of patients seen in real life situations. Such real-world evidence (RWE) may help provide valuable insights into the long-term outcomes of disease in unselected patients seen in daily practice, including patients belonging to vulnerable populations such as extremes of age, during pregnancy and lactation. Evidences gathered from real life practice settings can help understand drug prescription patterns, including adherence to treatment guidelines, cost-effectiveness of therapy, and real-life long-term outcomes, and adverse effects of treatment with particular medications. Registry-based data also helps analyze comorbidities in patients with rheumatic diseases, and their impact on quality of life, morbidity and mortality. Traditionally, a randomized controlled trial (RCT), or systematic reviews of multiple, homogenous RCTs, have been considered the cornerstone of evidence-based medicine, and RWE does, at times, provide differing viewpoints from the results of particular drugs in clinical trial settings. Therefore, in the present day, it is prudent to consider the complementary nature of information derived from RWE to that obtained from rigorous, clinical trial settings. Future guidelines for disease management may consider it relevant to include information from RWE in addition to that available from clinical trials, to help devise management guidelines that are harmonious with routine practice settings.
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Abstract
The major forms of autoimmune myopathies include dermatomyositis (DM), polymyositis (PM), myositis associated with antisynthetase syndrome (ASS), immune-mediated necrotizing myopathy (IMNM), and inclusion body myositis (IBM). While each of these conditions has unique clinical and histopathological features, they all share an immune-mediated component. These conditions can occur in isolation or can be associated with systemic malignancies or connective tissue disorders (overlap syndromes). As more has been learned about these conditions, it has become clear that traditional classification schemes do not adequately group patients according to shared clinical features and prognosis. Newer classifications are now utilizing myositis-specific autoantibodies which correlate with clinical and histopathological phenotypes and risk of malignancy, and help in offering prognostic information with regard to treatment response. Based on observational data and expert opinion, corticosteroids are considered first-line therapy for DM, PM, ASS, and IMNM, although intravenous immunoglobulin (IVIG) is increasingly being used as initial therapy in IMNM related to statin use. Second-line agents are often required, but further prospective investigation is required regarding the optimal choice and timing of these agents.
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Affiliation(s)
- Emer R McGrath
- Department of Neurology, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, MA, 02115, USA.
| | - Christopher T Doughty
- Department of Neurology, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, MA, 02115, USA
| | - Anthony A Amato
- Department of Neurology, Brigham and Women's Hospital and Harvard Medical School, 60 Fenwood Road, Boston, MA, 02115, USA
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de Oliveira DS, Misse RG, Lima FR, Shinjo SK. Physical exercise among patients with systemic autoimmune myopathies. Adv Rheumatol 2018; 58:5. [PMID: 30657065 DOI: 10.1186/s42358-018-0004-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 04/12/2018] [Indexed: 02/07/2023] Open
Abstract
Systemic autoimmune myopathies (SAMs) are a heterogeneous group of rare systemic autoimmune diseases that primarily affect skeletal muscles. Patients with SAMs show progressive skeletal muscle weakness and consequent functional disabilities, low health quality, and sedentary lifestyles. In this context, exercise training emerges as a non-pharmacological therapy to improve muscle strength and function as well as the clinical aspects of these diseases. Because many have feared that physical exercise exacerbates inflammation and consequently worsens the clinical manifestations of SAMs, it is necessary to evaluate the possible benefits and safety of exercise training among these patients. The present study systematically reviews the evidence associated with physical training among patients with SAMs.
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Affiliation(s)
- Diego Sales de Oliveira
- Division of Rheumatology, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Av. Dr. Arnaldo, 455, 3° andar, sala 3150 - Cerqueira César, Sao Paulo, 01246-903, Brazil
| | - Rafael Giovani Misse
- Division of Rheumatology, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Av. Dr. Arnaldo, 455, 3° andar, sala 3150 - Cerqueira César, Sao Paulo, 01246-903, Brazil
| | - Fernanda Rodrigues Lima
- Division of Rheumatology, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, Brazil
| | - Samuel Katsuyuki Shinjo
- Division of Rheumatology, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Av. Dr. Arnaldo, 455, 3° andar, sala 3150 - Cerqueira César, Sao Paulo, 01246-903, Brazil.
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23
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Wu C, Wang Q, He L, Yang E, Zeng X. Hospitalization mortality and associated risk factors in patients with polymyositis and dermatomyositis: A retrospective case-control study. PLoS One 2018; 13:e0192491. [PMID: 29474373 PMCID: PMC5824989 DOI: 10.1371/journal.pone.0192491] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Accepted: 01/24/2018] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Polymyositis and dermatomyositis (PM/DM) are systemic autoimmune diseases with multiple organ involvements that manifest as muscular and cutaneous disorders, interstitial lung disease (ILD) and malignancies. However, information concerning the outcomes and associated factors for PM/DM patients who are hospitalized is limited. METHODS We retrospectively reviewed the medical charts of PM/DM patients admitted to a Chinese tertiary referral hospital (Peking Union Medical College Hospital, PUMCH) from 2008 to 2014. The deceased group included 63 patients who had "deceased discharge" status or were confirmed to have died within two weeks of hospital discharge. The demographic data, clinical manifestations, and direct causes of death were analyzed retrospectively. Medical records for 126 age- and sex-matched PM/DM patients were selected as controls from 982 inpatients successively admitted to the same center during the same period. In addition to the comparison of clinical manifestations between the two groups, binary logistic regression was conducted to explore the risk factors related to PM/DM mortality. RESULTS Over the past 6 years at PUMCH, the in-hospital mortality rate of PM/DM patients was 4.58%. The male gender and the elder patients had a high risk of death (P = 0.031 and P = 0.001 respectively). The three most frequent causes of death for PM/DM patients were pulmonary infection (35%), ILD exacerbation (21%) or both conditions (25%). Pulmonary infection (P<0.001, OR = 5.63, 95% CI, 2.37-13.36), pneumomediastinum (P = 0.041, OR = 11.02, 95%CI, 1.10-110.54), Gottron's papules (P = 0.010, OR = 3.24, 95%CI, 1.32-7.97), and elevated erythrocyte sedimentation rate (ESR) (P = 0.005, OR = 9.9, 95%CI 2.0-49.0) were independent risk factors for in-hospital mortality of PM/DM patients. CONCLUSION PM/DM patients continue to display high in-hospital mortality. Pulmonary infection is the strongest predictor of poor prognosis in PM/DM patients, followed by pneumomediastinum, Gottron's papules, and elevated ESR.
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Affiliation(s)
- Chanyuan Wu
- Department of Rheumatology, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Beijing, China
| | - Qian Wang
- Department of Rheumatology, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Beijing, China
| | - Linrong He
- Department of Rheumatology, China-Japan Friendship Hospital, Chaoyang District, Beijing, China
| | - Enhao Yang
- Department of Rheumatology, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Beijing, China
| | - Xiaofeng Zeng
- Department of Rheumatology, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Beijing, China
- * E-mail:
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Sugiyama Y, Yoshimi R, Tamura M, Takeno M, Kunishita Y, Kishimoto D, Yoshioka Y, Kobayashi K, Takase-Minegishi K, Watanabe T, Hamada N, Nagai H, Tsuchida N, Soejima Y, Nakano H, Kamiyama R, Uehara T, Kirino Y, Sekiguchi A, Ihata A, Ohno S, Nagaoka S, Nakajima H. The predictive prognostic factors for polymyositis/dermatomyositis-associated interstitial lung disease. Arthritis Res Ther 2018; 20:7. [PMID: 29325580 PMCID: PMC5765702 DOI: 10.1186/s13075-017-1506-7] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Accepted: 12/27/2017] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Interstitial lung disease (ILD) is the principal cause of death in polymyositis/dermatomyositis (PM/DM). Here we investigated prognostic factors for death and serious infection in PM/DM-ILD using the multicenter database. METHODS We retrospectively reviewed baseline demographic, clinical and laboratory findings, treatment regimens and outcomes in patients with PM/DM-ILD. The distribution of ILD lesions was evaluated in four divided lung zones of high-resolution computed tomography images. RESULTS Of 116 patients with PM/DM-ILD, 14 died within 6 months from the diagnosis. As independent risk factors for early death, extended ILD lesions in upper lung fields (odds ratio (OR) 8.01, p = 0.016) and hypocapnia (OR 6.85, p = 0.038) were identified. Serious infection was found in 38 patients, including 11 patients who died of respiratory or multiple infections. The independent risk factors were high serum KL-6 (OR 3.68, p = 0.027), high initial dose of prednisolone (PSL) (OR 4.18, p = 0.013), and combination immunosuppressive therapies (OR 5.51, p < 0.001). CONCLUSION The present study shows the progression of ILD at baseline is the most critical for survival and that infection, especially respiratory infection, is an additive prognostic factor under the potent immunosuppressive treatment.
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Affiliation(s)
- Yumiko Sugiyama
- Department of Stem Cell and Immune Regulation, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan
| | - Ryusuke Yoshimi
- Department of Stem Cell and Immune Regulation, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan.
| | - Maasa Tamura
- Department of Stem Cell and Immune Regulation, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan
| | - Mitsuhiro Takeno
- Department of Stem Cell and Immune Regulation, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan.,Department of Allergy and Rheumatology, Nippon Medical School Graduate School of Medicine, Tokyo, Japan
| | - Yosuke Kunishita
- Department of Stem Cell and Immune Regulation, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan
| | - Daiga Kishimoto
- Department of Stem Cell and Immune Regulation, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan
| | | | - Kouji Kobayashi
- Center for Rheumatic Diseases, Yokohama City University Medical Center, Yokohama, Japan
| | | | | | - Naoki Hamada
- Department of Stem Cell and Immune Regulation, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan
| | - Hideto Nagai
- Department of Stem Cell and Immune Regulation, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan
| | - Naomi Tsuchida
- Department of Stem Cell and Immune Regulation, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan
| | - Yutaro Soejima
- Department of Stem Cell and Immune Regulation, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan
| | - Hiroto Nakano
- Department of Stem Cell and Immune Regulation, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan
| | - Reikou Kamiyama
- Department of Stem Cell and Immune Regulation, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan
| | | | - Yohei Kirino
- Department of Stem Cell and Immune Regulation, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan
| | | | - Atsushi Ihata
- National Hospital Organization Yokohama Medical Center, Yokohama, Japan
| | - Shigeru Ohno
- Center for Rheumatic Diseases, Yokohama City University Medical Center, Yokohama, Japan
| | | | - Hideaki Nakajima
- Department of Stem Cell and Immune Regulation, Yokohama City University Graduate School of Medicine, 3-9 Fukuura, Kanazawa-ku, Yokohama, 236-0004, Japan
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Baseline peripheral blood neutrophil-to-lymphocyte ratio could predict survival in patients with adult polymyositis and dermatomyositis: A retrospective observational study. PLoS One 2018; 13:e0190411. [PMID: 29293605 PMCID: PMC5749807 DOI: 10.1371/journal.pone.0190411] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2017] [Accepted: 12/14/2017] [Indexed: 12/18/2022] Open
Abstract
Recent studies have suggested that neutrophil-to-lymphocyte ratio (NLR) and C-reactive protein-to-albumin ratio (CAR) are emerging markers of disease activity and prognosis in patients with chronic inflammatory diseases, cardiovascular diseases, or malignancies. Therefore, we investigated the clinical significance and prognostic value of the NLR and CAR in adult patients with polymyositis and dermatomyositis. The medical records of 197 patients with newly diagnosed polymyositis/dermatomyositis between August 2003 and November 2016 were retrospectively reviewed. Survival and causes of death were recorded during an average 33-month observational period. Clinical and laboratory findings were compared between survivors and non-survivors. Using receiver operating characteristic curves, the NLR and CAR cut-off values for predicting survival were calculated. Univariate and multivariate analyses using Cox proportional hazard models were performed to identify factors associated with survival. Twenty-six patients (13.2%) died during the study period, and the 5-year survival-rate was estimated to be 82%. The non-survivor group exhibited older age and a higher prevalence of interstitial lung disease (ILD), acute interstitial pneumonia, and acute exacerbation of ILD compared to that in the survivor group. NLR and CAR values were significantly higher in the non-survivors and in patients with polymyositis/dermatomyositis-associated ILD, and the death rates increased across NLR and CAR quartiles. Furthermore, when stratified according to the NLR or CAR optimal cut-off values, patients with a high NLR (>4.775) or high CAR (>0.0735) had a significantly lower survival rate than patients with low NLR or CAR, respectively. In addition, old age (>50 years), the presence of acute interstitial pneumonia, hypoproteinemia (serum protein <5.5 g/dL), and high NLR (but not high CAR) were independent predictors for mortality. The results indicate that a high NLR is independently associated with worse overall survival. Thus, the baseline NLR level may be a simple, cost-effective prognostic marker in patients with polymyositis/dermatomyositis.
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Khadilkar SV, Yadav RS, Patel BA. Idiopathic Inflammatory Myopathies. Neuromuscul Disord 2018. [DOI: 10.1007/978-981-10-5361-0_11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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27
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Mortality and prognostic factors in idiopathic inflammatory myositis: a retrospective analysis of a large multicenter cohort of Spain. Rheumatol Int 2017; 37:1853-1861. [DOI: 10.1007/s00296-017-3799-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2017] [Accepted: 08/17/2017] [Indexed: 10/18/2022]
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28
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Dobloug GC, Svensson J, Lundberg IE, Holmqvist M. Mortality in idiopathic inflammatory myopathy: results from a Swedish nationwide population-based cohort study. Ann Rheum Dis 2017; 77:40-47. [DOI: 10.1136/annrheumdis-2017-211402] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Revised: 07/31/2017] [Accepted: 08/01/2017] [Indexed: 11/03/2022]
Abstract
Patients with idiopathic inflammatory myopathies (IIMs) suffer an increased burden of comorbidities, but data on mortality in recently diagnosed IIM are conflicting. Also, little is known when, if ever, in relation to IIM diagnosis, mortality is increased.MethodsA population-based IIM cohort of patients diagnosed between 2002 and 2011 and general population comparators were identified using healthcare registers. They were linked to the cause of death register for follow-up.Results224 (31%) of the 716 patients with IIM and 870 (12%) of the 7100 general population died during follow-up. This corresponded to a mortality rate of 60/1000 person-years in IIM and 20/1000 person-years in the general population. The cumulative mortality at 1 year after diagnosis was 9% in IIM and 1% in the general population, and increased in both IIM and the general population with time. The overall hazard ratio (HR) 95%CI of death comparing IIM with the general population was 3.7 (3.2 to 4.4). When we stratified on time since diagnosis, we noted an increase in mortality already within the first year of diagnosis compared with the general population, HR 9.6 (95% CI 6.9 to 13.5). This HR then plateaued around 2 after >10 years with the disease, although the estimates were not statistically significant. Malignancies, diseases of the circulatory and respiratory system were common causes of death.ConclusionMortality is increased in patients with contemporary IIM. The increased mortality was noted within a year of diagnosis, which calls for extra vigilance during the first year of IIM diagnosis.
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29
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Diederichsen LP, Simonsen JA, Diederichsen AC, Hvidsten S, Hougaard M, Junker P, Søndergaard K, Lundberg IE, Tvede N, Sandgaard NCF, Christensen AF, Dreyer L, Kay S, Eskerud KS, Petersen H, Ejstrup L, Jacobsen S. Cardiac Abnormalities in Adult Patients With Polymyositis or Dermatomyositis as Assessed by Noninvasive Modalities. Arthritis Care Res (Hoboken) 2017; 68:1012-20. [PMID: 26502301 DOI: 10.1002/acr.22772] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Revised: 10/09/2015] [Accepted: 10/20/2015] [Indexed: 01/18/2023]
Abstract
OBJECTIVE Cardiac events are a major cause of death in patients with idiopathic inflammatory myopathies. The study objective was in a controlled setting to describe cardiac abnormalities by noninvasive methods in a cohort of patients with polymyositis (PM) or dermatomyositis (DM) and to identify predictors for cardiac dysfunction. METHODS In a cross-sectional study, 76 patients with PM/DM and 48 matched healthy controls (HCs) were assessed by serum levels of cardiac troponin I, electrocardiography, Holter monitoring, echocardiography with tissue Doppler imaging, and quantitative cardiac (99m) Tc-pyrophosphate ((99m) Tc-PYP) scintigraphy. RESULTS Compared to HCs, patients with PM/DM more frequently had left ventricular diastolic dysfunction (LVDD) (12% versus 0%; P = 0.02) and longer QRS and QT intervals (P = 0.007 and P < 0.0001, respectively). In multivariate analysis, factors associated with LVDD were age (P = 0.001), disease duration (P = 0.004), presence of myositis-specific or -associated autoantibodies (P = 0.05), and high cardiac (99m) Tc-PYP uptake (P = 0.006). In multivariate analysis of the pooled data for patients and HCs, a diagnosis of PM/DM (P < 0.0001) was associated with LVDD. CONCLUSION Patients with PM or DM had an increased prevalence of cardiac abnormalities compared to HCs. LVDD was a common occurrence in PM/DM patients and correlated to disease duration. In addition, the association of LVDD with myositis-specific or -associated autoantibodies and high cardiac (99m) Tc-PYP uptake supports the notion of underlying autoimmunity and myocardial inflammation in patients with PM/DM.
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Affiliation(s)
| | | | | | - S Hvidsten
- Odense University Hospital, Odense, Denmark
| | - M Hougaard
- Odense University Hospital, Odense, Denmark
| | - P Junker
- Odense University Hospital, Odense, Denmark
| | | | - I E Lundberg
- Karolinska University Hospital, Solna, Karolinska Institutet, Stockholm, Sweden
| | - N Tvede
- Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | | | | | - L Dreyer
- Gentofte University Hospital, Hellerup, Denmark
| | - S Kay
- Odense University Hospital, Odense, Denmark
| | | | - H Petersen
- Odense University Hospital, Odense, Denmark
| | | | - S Jacobsen
- Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
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30
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Khan NAJ, Khalid S, Ullah S, Malik MU, Makhoul S. Necrotizing Autoimmune Myopathy: A Rare Variant of Idiopathic Inflammatory Myopathies. J Investig Med High Impact Case Rep 2017; 5:2324709617709031. [PMID: 28660228 PMCID: PMC5476327 DOI: 10.1177/2324709617709031] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Revised: 04/11/2017] [Accepted: 04/15/2017] [Indexed: 11/16/2022] Open
Abstract
Idiopathic inflammatory myopathies are an unusual group of myopathies with annual incidence of 1 in 100 000 people in the United States. Necrotizing autoimmune myopathy comprises only 16% of this group. It usually presents with severe proximal weakness, lower extremity weakness, and severe fatigue while very rarely does it present with dysphagia and respiratory muscle weakness. Statin use, cancer, and connective tissue disorder are the usual associated risk factors. Anti-signal recognition particle and 3-hydroxy-3-methylglutaryl-coenzyme A reductase are the 2 most common autoantibodies associated with necrotizing autoimmune myopathy. In this article, we present a very rare case of a 66-year-old male who presented with shortness of breath and dysphagia requiring intubation and ventilator support. Creatine kinase was 23 000, myoglobin was 7000, and ANA was positive. All other autoimmune and infectious workup including Lyme disease was unremarkable. Muscle biopsy turned out remarkable for necrotizing myopathy. No evidence of statin use, active malignancy, or connective tissue disease was found. He was treated with high-dose corticosteroids and a short course of intravenous immunoglobulin with very mild improvement in symptoms. Anti-signal recognition particle and 3-hydroxy-3-methylglutaryl-coenzyme A reductase could not be performed as the patient refused to pursue further medical testing. This is a very rare case of idiopathic inflammatory myopathy presenting with bulbar and respiratory muscle weakness requiring ventilator support.
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Affiliation(s)
- Noman Ahmed Jang Khan
- Temple University, Philadelphia, PA, USA.,Conemaugh Memorial Hospital, Johnstown, PA, USA
| | - Shaza Khalid
- Temple University, Philadelphia, PA, USA.,Conemaugh Memorial Hospital, Johnstown, PA, USA
| | - Saad Ullah
- Temple University, Philadelphia, PA, USA.,Conemaugh Memorial Hospital, Johnstown, PA, USA
| | - Muhammad Umair Malik
- Temple University, Philadelphia, PA, USA.,Conemaugh Memorial Hospital, Johnstown, PA, USA
| | - Samer Makhoul
- Temple University, Philadelphia, PA, USA.,Conemaugh Memorial Hospital, Johnstown, PA, USA
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31
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Maurer B. [Inflammatory myopathies]. Z Rheumatol 2016; 76:33-45. [PMID: 27896437 DOI: 10.1007/s00393-016-0233-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Inflammatory myopathies comprise heterogeneous, often multisystemic autoimmune diseases with muscle involvement as a common feature. The prognosis largely depends on a timely diagnosis and initiation of therapy. Given the complexity of these rare diseases, when an inflammatory myopathy is suspected patients should be referred to an expert center with established algorithms for the diagnostic work-up. The differential diagnostic exclusion of myositis mimics should ideally be carried out in close collaboration with neurologists and neuropathologists. The choice of immunosuppressive treatment should primarily depend on disease severity and organ involvement but age and comorbidities also have to be taken into account.
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Affiliation(s)
- Britta Maurer
- Klinik für Rheumatologie, Universitätsspital Zürich, Gloriastr. 25, 8091, Zürich, Schweiz.
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32
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Schwartz T, Diederichsen LP, Lundberg IE, Sjaastad I, Sanner H. Cardiac involvement in adult and juvenile idiopathic inflammatory myopathies. RMD Open 2016; 2:e000291. [PMID: 27752355 PMCID: PMC5051430 DOI: 10.1136/rmdopen-2016-000291] [Citation(s) in RCA: 69] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2016] [Revised: 08/30/2016] [Accepted: 09/07/2016] [Indexed: 01/05/2023] Open
Abstract
Idiopathic inflammatory myopathies (IIM) include the main subgroups polymyositis (PM), dermatomyositis (DM), inclusion body myositis (IBM) and juvenile DM (JDM). The mentioned subgroups are characterised by inflammation of skeletal muscles leading to muscle weakness and other organs can also be affected as well. Even though clinically significant heart involvement is uncommon, heart disease is one of the major causes of death in IIM. Recent studies show an increased prevalence of traditional cardiovascular risk factors in JDM and DM/PM, which need attention. The risk of developing atherosclerotic coronary artery disease is increased twofold to fourfold in DM/PM. New and improved diagnostic methods have in recent studies in PM/DM and JDM demonstrated a high prevalence of subclinical cardiac involvement, especially diastolic dysfunction. Interactions between proinflammatory cytokines and traditional risk factors might contribute to the pathogenesis of cardiac dysfunction. Heart involvement could also be related to myocarditis and/or myocardial fibrosis, leading to arrhythmias and congestive heart failure, demonstrated both in adult and juvenile IIM. Also, reduced heart rate variability (a known risk factor for cardiac morbidity and mortality) has been shown in long-standing JDM. Until more information is available, patients with IIM should follow the same recommendations for cardiovascular risk stratification and prevention as for the corresponding general population, but be aware that statins might worsen muscle symptoms mimicking myositis relapse. On the basis of recent studies, we recommend a low threshold for cardiac workup and follow-up in patients with IIM.
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Affiliation(s)
- Thomas Schwartz
- Department of Rheumatology, Oslo University Hospital-Rikshospitalet, Oslo, Norway; Institute for Experimental Medical Research, Oslo University Hospital-Ullevål and University of Oslo, Oslo, Norway
| | | | - Ingrid E Lundberg
- Rheumatology Unit, Department of Medicine, Solna , Karolinska Institutet, Rheumatology Unit, Karolinska University Hospital , Stockholm , Sweden
| | - Ivar Sjaastad
- Institute for Experimental Medical Research, Oslo University Hospital-Ullevål and University of Oslo, Oslo, Norway; Department of Cardiology, Oslo University Hospital-Ullevål, Oslo, Norway
| | - Helga Sanner
- Department of Rheumatology, Oslo University Hospital-Rikshospitalet, Oslo, Norway; Norwegian National Advisory Unit on Rheumatic Diseases in Children and Adolescents, Department of Rheumatology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
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O'Sullivan M, Bruce IN, Symmons DP. Cardiovascular risk and its modification in patients with connective tissue diseases. Best Pract Res Clin Rheumatol 2016; 30:81-94. [DOI: 10.1016/j.berh.2016.03.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2016] [Revised: 03/03/2016] [Accepted: 03/29/2016] [Indexed: 10/21/2022]
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Lee JS, Fischer A. Current and emerging treatment options for interstitial lung disease in patients with rheumatic disease. Expert Rev Clin Immunol 2016; 12:509-20. [PMID: 26752397 DOI: 10.1586/1744666x.2016.1139454] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The management of connective tissue disease-associated interstitial lung disease (CTD-ILD) is complex and this arena offers many challenges to the practicing clinician. Unfortunately, treatment strategies and recommendations are often based on experience rather than evidence, and there are few effective therapeutic options. Pharmacologic intervention with immunosuppression is usually the mainstay of therapy and is reserved for those with clinically significant and/or progressive ILD. There is a desperate need for controlled trials across the spectrum of CTD-ILD and a number of potentially promising novel therapies warrant further study. It is important to address co-morbid conditions or aggravating factors (e.g., gastroesophageal reflux, aspiration, bone health, pulmonary hypertension, Pneumocystis jiroveci prophylaxis) and to institute non-pharmacologic management strategies (e.g., supplemental oxygen and cardiopulmonary rehabilitation) as part of a comprehensive treatment plan in CTD-ILD.
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Affiliation(s)
- Joyce S Lee
- a Department of Medicine , University of Colorado School of Medicine , Aurora , CO , USA
| | - Aryeh Fischer
- a Department of Medicine , University of Colorado School of Medicine , Aurora , CO , USA
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35
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Murray SG, Schmajuk G, Trupin L, Lawson E, Cascino M, Barton J, Margaretten M, Katz PP, Yelin EH, Yazdany J. A population-based study of infection-related hospital mortality in patients with dermatomyositis/polymyositis. Arthritis Care Res (Hoboken) 2015; 67:673-80. [PMID: 25331828 PMCID: PMC4404175 DOI: 10.1002/acr.22501] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2014] [Revised: 10/02/2014] [Accepted: 10/14/2014] [Indexed: 12/12/2022]
Abstract
OBJECTIVE Dermatomyositis (DM) and polymyositis (PM) are debilitating inflammatory myopathies associated with significant mortality. We evaluated the relative contribution of infection to hospital mortality in a large population-based study of individuals with PM/DM. METHODS Data derive from the 2007 to 2011 Healthcare Cost and Utilization Project National Inpatient Samples and include all hospital discharges that met a validated administrative definition of PM/DM. The primary outcome was hospital mortality. Variables for infections and comorbidities were generated from discharge diagnoses using validated administrative definitions. Logistic regression was used to investigate the relationship between infection and mortality in individuals with PM/DM, adjusting for sociodemographics, utilization variables, and comorbidities. Relative risks (RRs) were calculated to compare the overall prevalence of specific infections and associated mortality in PM/DM hospitalizations with those seen in the general hospitalized population. RESULTS A total of 15,407 hospitalizations with PM/DM met inclusion criteria for this study and inpatient mortality was 4.5% (700 deaths). In adjusted logistic regression analyses, infection (odds ratio [OR] 3.4, 95% confidence interval [95% CI] 2.9-4.0) was the strongest predictor of hospital mortality among individuals with PM/DM. Bacterial infection (OR 3.5, 95% CI 3.0-4.1), comprised primarily of pneumonia and bacteremia, and opportunistic fungal infections (OR 2.5, 95% CI 1.5-4.0) were independently associated with hospital mortality. The overall burden of infection in hospitalizations with PM/DM was significantly increased in comparison with the general hospitalized population (RR 1.5, 95% CI 1.4-1.6). CONCLUSION Among hospitalized individuals with PM/DM, infection is the leading cause of mortality. Strategies to mitigate infection risk in both the clinic and hospital settings should be evaluated to improve disease outcomes.
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Affiliation(s)
- Sara G. Murray
- Department of Medicine, University of California, San Francisco, San Francisco, California
| | - Gabriela Schmajuk
- Department of Medicine, Veterans Administration, San Francisco, California
| | - Laura Trupin
- Department of Medicine, University of California, San Francisco, San Francisco, California
| | - Erica Lawson
- Department of Pediatrics, University of California, San Francisco, San Francisco, California
| | - Matthew Cascino
- Department of Medicine, University of California, San Francisco, San Francisco, California
| | - Jennifer Barton
- Department of Medicine, University of California, San Francisco, San Francisco, California
| | - Mary Margaretten
- Department of Medicine, University of California, San Francisco, San Francisco, California
| | - Patricia P. Katz
- Department of Medicine, University of California, San Francisco, San Francisco, California
- Phillip R. Lee Institute for Health Policy Studies, San Francisco, California
| | - Edward H. Yelin
- Department of Medicine, University of California, San Francisco, San Francisco, California
- Phillip R. Lee Institute for Health Policy Studies, San Francisco, California
| | - Jinoos Yazdany
- Department of Medicine, University of California, San Francisco, San Francisco, California
- Phillip R. Lee Institute for Health Policy Studies, San Francisco, California
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Abstract
The idiopathic inflammatory myopathies (IIM) consist of rare heterogeneous autoimmune disorders that present with marked proximal and symmetric muscle weakness, except for distal and asymmetric weakness in inclusion body myositis. Despite many similarities, the IIM are fairly heterogeneous from the histopathologic and pathogenetic standpoints, and also show some clinical and treatment-response differences. The field has witnessed significant advances in our understanding of the pathophysiology and treatment of these rare disorders. This review focuses on dermatomyositis, polymyositis, and necrotizing myopathy, and examines current and promising therapies.
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Rider LG, Dankó K, Miller FW. Myositis registries and biorepositories: powerful tools to advance clinical, epidemiologic and pathogenic research. Curr Opin Rheumatol 2014; 26:724-41. [PMID: 25225838 PMCID: PMC5081267 DOI: 10.1097/bor.0000000000000119] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
PURPOSE OF REVIEW Clinical registries and biorepositories have proven extremely useful in many studies of diseases, especially rare diseases. Given their rarity and diversity, the idiopathic inflammatory myopathies, or myositis syndromes, have benefited from individual researchers' collections of cohorts of patients. Major efforts are being made to establish large registries and biorepositories that will allow many additional studies to be performed that were not possible before. Here, we describe the registries developed by investigators and patient support groups that are currently available for collaborative research purposes. RECENT FINDINGS We have identified 46 myositis research registries, including many with biorepositories, which have been developed for a wide variety of purposes and have resulted in great advances in understanding the range of phenotypes, clinical presentations, risk factors, pathogenic mechanisms, outcome assessment, therapeutic responses, and prognoses. These are now available for collaborative use to undertake additional studies. Two myositis patient registries have been developed for research, and myositis patient support groups maintain demographic registries with large numbers of patients available to be contacted for potential research participation. SUMMARY Investigator-initiated myositis research registries and biorepositories have proven extremely useful in understanding many aspects of these rare and diverse autoimmune diseases. These registries and biorepositories, in addition to those developed by myositis patient support groups, deserve continued support to maintain the momentum in this field as they offer major opportunities to improve understanding of the pathogenesis and treatment of these diseases in cost-effective ways.
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Affiliation(s)
- Lisa G. Rider
- Environmental Autoimmunity Group, Program of Clinical Research, National Institute of Environmental Health Sciences, National Institutes of Health (NIH), DHHS, Bethesda, MD
| | - Katalin Dankó
- Division of Immunology, 3rd Dept. of Internal Medicine, Medical and Health Science Center, University of Debrecen, Debrecen, Hungary
| | - Frederick W. Miller
- Environmental Autoimmunity Group, Program of Clinical Research, National Institute of Environmental Health Sciences, National Institutes of Health (NIH), DHHS, Bethesda, MD
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Işık M, Bilgen Ş, Doğan İ, Kılıç L. Inflammatory myopathies: One-center experience. Eur J Rheumatol 2014; 1:96-100. [PMID: 27708887 DOI: 10.5152/eurjrheumatol.2014.033] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2014] [Accepted: 06/10/2014] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVE Our aim was to report our experience with inflammatory myositis. MATERIAL AND METHODS In total, 60 patients were evaluated retrospectively, and 43 of them (71.7%) were female. The median age was 45 (17-81). Of all patients, 33 (55%) were diagnosed as polymyositis, 22 (36.6%) as dermatomyositis (classical, amyopathic, and malignancy-associated), and 5 (8.33%) as undifferentiated myositis. The 3 patients with malignancy-associated dermatomyositis had lung cancer, nasopharyngeal carcinoma, and endometrial cancer. Two patients with polymyositis had a history of low-grade gastric mixed tumor and thymoma but were diagnosed 7 and 12 years ago, and no recurrences have been reported during the routine controls. RESULTS All patients, other than two with malignancy-associated dermatomyositis, were treated via immunosuppressive agent, and the third patient with lung cancer was diagnosed later and gave up immunosuppressive therapy. Thirty-nine (65%) of the patients were treated via oral low-dose steroid, and 19 (31.7%) were treated via intravenous high-dose pulse steroid therapy. All patients were treated with steroid, which was tapered by time, and 23 (38.3%) were treated with azathioprine, 6 (10%) were treated with cyclophosphamide, 3 (5%) were treated with methotrexate, and 6 (10%) were treated with isolated steroid therapy at the time of diagnosis. The median follow-up period was 37 (2-135) months. Six patients (10%) have died-3 due to myocardial infarction, 1 due to septic shock, 1 due to malignancy, and 1 with an unknown reason. The 5-year survival rate was 76.9%, and the 10-year survival rate was 40%. CONCLUSION Other than the high ratio of PM in our series, all other results were compatible with the literature. We faced few resistant diseases; therefore, biologic agents were used rarely.
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Affiliation(s)
- Metin Işık
- Department of Rheumatology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Şule Bilgen
- Department of Rheumatology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - İsmail Doğan
- Department of Rheumatology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Levent Kılıç
- Department of Rheumatology, Hacettepe University Faculty of Medicine, Ankara, Turkey
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Huber AM, Mamyrova G, Lachenbruch PA, Lee JA, Katz JD, Targoff IN, Miller FW, Rider LG. Early illness features associated with mortality in the juvenile idiopathic inflammatory myopathies. Arthritis Care Res (Hoboken) 2014; 66:732-40. [PMID: 24151254 DOI: 10.1002/acr.22212] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2013] [Accepted: 10/15/2013] [Indexed: 01/09/2023]
Abstract
OBJECTIVE Because juvenile idiopathic inflammatory myopathies (IIMs) are potentially life-threatening systemic autoimmune diseases, we examined risk factors for juvenile IIM mortality. METHODS Mortality status was available for 405 patients (329 with juvenile dermatomyositis [DM], 30 with juvenile polymyositis [PM], and 46 with juvenile connective tissue disease-associated myositis [CTM]) enrolled in nationwide protocols. Standardized mortality ratios (SMRs) were calculated using US population statistics. Cox regression analysis was used to assess univariable associations with mortality, and random survival forest (RSF) classification and Cox regression analysis were used for multivariable associations. RESULTS Of 17 deaths (4.2% overall mortality), 8 (2.4%) were in juvenile DM patients. Death was related to the pulmonary system (primarily interstitial lung disease [ILD]) in 7 patients, gastrointestinal system in 3, and multisystem in 3, and of unknown etiology in 4 patients. The SMR for juvenile IIMs overall was 14.4 (95% confidence interval [95% CI] 12.2-16.5) and was 8.3 (95% CI 6.4-10.3) for juvenile DM. The top mortality risk factors in the univariable analysis included clinical subgroup (juvenile CTM, juvenile PM), antisynthetase autoantibodies, older age at diagnosis, ILD, and Raynaud's phenomenon at diagnosis. In multivariable analyses, clinical subgroup, illness severity at onset, age at diagnosis, weight loss, and delay to diagnosis were the most important predictors from RSF; clinical subgroup and illness severity at onset were confirmed by multivariable Cox regression analysis. CONCLUSION Overall mortality was higher in juvenile IIM patients, and several early illness features were identified as risk factors. Clinical subgroup, antisynthetase autoantibodies, older age at diagnosis, and ILD are also recognized as mortality risk factors in adult myositis.
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Affiliation(s)
- Adam M Huber
- IWK Health Centre and Dalhousie University, Halifax, Nova Scotia, Canada
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Abstract
PURPOSE OF REVIEW The idiopathic inflammatory myopathies myositis are rare diseases with limited information on risk factors for disease and prognosis. The aim of this review is to give an overview of how registries can be used in myositis research. RECENT FINDINGS Population-based registries have been used in a number of incidence and prevalence studies in the review period and have shown myositis to be more common than previously reported. Disease-specific registries have been used for detailed studies on subphenotypes and longitudinal studies to identify prognostic markers and treatment outcomes. SUMMARY Registries, both national healthcare and health insurance registries, as well as disease-specific clinical registries, are useful sources to investigate a rare disease like myositis. To achieve increased understanding of whether different subphenotypes differ in treatment outcome and prognosis, a large number of patients need to be followed longitudinally in a systematic way. A novel international, multidisciplinary registry, EUROMYOSITIS, has been developed. This is an open source registry with to date 20 centers and more than 2500 patients with myositis, many of whom are followed longitudinally. This registry has clear potentials for clinical and epidemiological research, as well as for clinical trial in myositis, and welcomes investigators from all over the world.
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Yu KH, See LC, Kuo CF, Chou IJ, Chou MJ. Prevalence and incidence in patients with autoimmune rheumatic diseases: A nationwide population-based study in Taiwan. Arthritis Care Res (Hoboken) 2013; 65:244-50. [DOI: 10.1002/acr.21820] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2011] [Accepted: 07/27/2012] [Indexed: 12/19/2022]
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Linos E, Fiorentino D, Lingala B, Krishnan E, Chung L. Atherosclerotic cardiovascular disease and dermatomyositis: an analysis of the Nationwide Inpatient Sample survey. Arthritis Res Ther 2013; 15:R7. [PMID: 23298514 PMCID: PMC3672763 DOI: 10.1186/ar4135] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2012] [Accepted: 11/09/2012] [Indexed: 01/10/2023] Open
Abstract
Introduction Increased rates of cardiovascular disease are implicated in several rheumatologic diseases. Our aim was to characterize dermatomyositis hospitalizations and evaluate cardiovascular-associated mortality in this patient population. Methods We examined the frequency and mortality rates of several atherosclerotic cardiovascular diagnoses and procedures among hospitalized adult patients with dermatomyositis using data from the US Nationwide Inpatient Sample (NIS) from 1993 to 2007. We compared the odds of death among hospitalized dermatomyositis patients with each cardiovascular diagnosis or procedure to those without, as well as to controls with cardiovascular diagnoses, using logistic regression. Results A total of 50,322 hospitalizations of dermatomyositis patients occurred between 1993 and 2007 (mean age 58 years, and 73% female). Of all dermatomyositis hospitalizations, 20% were associated with a concurrent atherosclerotic cardiovascular diagnosis or procedure. The overall in-hospital mortality was 5.7%. Dermatomyositis patients with any associated atherosclerotic cardiovascular diagnosis or procedure were twice as likely to die during the inpatient stay compared to dermatomyositis patients who did not have atherosclerotic cardiovascular disease (OR = 2.0 95% CI 1.7-2.5, p < 0.0001). The odds ratio for death in patients with both dermatomyositis and cardiovascular disease compared to controls with cardiovascular disease alone was 1.98 (95% CI 1.57-2.48) in multivariate adjusted models. Conclusions Approximately one fifth of dermatomyositis hospitalizations in the US were associated with an atherosclerotic cardiovascular diagnosis or procedure. These patients have double the risk of in-hospital death in comparison with controls and dermatomyositis patients without a cardiovascular diagnosis, making identification of these groups important for both prognostic purposes and clinical care.
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Abstract
The idiopathic inflammatory myopathies are a group of rare disorders including polymyositis (PM), dermatomyositis (DM), and autoimmune necrotizing myopathies (NMs). The idiopathic inflammatory myopathies share many similarities. They present acutely, subacutely, or chronically with marked proximal and symmetric muscle weakness, except for associated distal and asymmetric weakness in inclusion body myositis. The idiopathic inflammatory myopathies also share a variable degree of creatine kinase (CK) elevation and a nonspecifically abnormal electromyogram demonstrating an irritative myopathy. The muscle pathology demonstrates inflammatory exudates of variable distribution within the muscle fascicle. Despite these similarities, the idiopathic inflammatory myopathies are a heterogeneous group. The overlap syndrome (OS) refers to the association of PM, DM, or NM with connective tissue disease, such as scleroderma or systemic lupus erythematosus. In addition to elevated antinuclear antibodies (ANA), patients with OS may be weaker in the proximal arms than the legs mimicking the pattern seen in some muscular dystrophies. In this review, we focus on DM, PM, and NM and examine current and promising therapies.
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Affiliation(s)
- Mazen M Dimachkie
- Department of Neurology, The University of Kansas Medical Center, Kansas City, Kansas 66160, USA.
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Limaye V, Luke C, Tucker G, Hill C, Lester S, Blumbergs P, Roberts-Thomson P. The incidence and associations of malignancy in a large cohort of patients with biopsy-determined idiopathic inflammatory myositis. Rheumatol Int 2012; 33:965-71. [PMID: 22833242 DOI: 10.1007/s00296-012-2489-y] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2012] [Accepted: 07/07/2012] [Indexed: 12/11/2022]
Abstract
The South Australian (SA) myositis database has registered all patients with biopsy-proven inflammatory myositis in SA from 1980 to 2009. We determined the incidence and associations of malignancy in myositis by linking this database with the SA cancer registry. Standardized incidence ratios (SIR) for malignancy were determined using the total SA population over the same time period, stratified by age and gender. The SIR for cancer in the myositis population (n = 373) was 1.39, p = 0.047. There was a trend towards an increased SIR in dermatomyositis but no increased risk of malignancy in polymyositis or inclusion body myositis. Malignancies of the lung and prostate were the commonest and 28 % of malignancies occurred within one year of IIM diagnosis. The odds of developing cancer were significantly raised in the presence of a shawl sign, male gender, and in patients with overlap syndrome or rheumatoid arthritis whilst myalgia was a significant protective factor. HLA-A28 allele was overrepresented in patients with malignancy (11 vs 2 %, p = 0.006). Patients in SA with myositis are at modestly increased risk for malignancy. We report clinical and genetic risk factors allowing the identification of patients at greatest risk for malignancy.
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Affiliation(s)
- Vidya Limaye
- Department of Rheumatology, Royal Adelaide Hospital, North Terrace, Adelaide, SA 5000, Australia.
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