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Journal ArticleDOI: 10.1093/RHEUMATOLOGY/KEAA372

Prognosis of adult idiopathic inflammatory myopathy-associated interstitial lung disease: a retrospective study of 679 adult cases

02 Mar 2021-Rheumatology (Oxford Academic)-Vol. 60, Iss: 3, pp 1195-1204
Abstract: OBJECTIVES Few studies have investigated the prognostic factors for idiopathic inflammatory myopathy-associated interstitial lung disease (IIM-ILD) across different clinical/serological phenotypes. METHODS We conducted a retrospective analysis of patients diagnosed with IIM between January 2012 and December 2017. RESULTS Of the 760 IIM cases registered, 679 adult cases were included in this study. ILD was present in 508 cases, and the presence of ILD in the clinically amyopathic DM, DM and PM groups was 92.7, 73.6 and 55.1%, respectively (P 0.05). The prevalence of ILD in the melanoma differentiation-associated protein-5 (MDA-5)+-IIM group was higher than that in MDA-5--IIM group (97.8 vs 72.1%, P 0.05), although both were higher than that in PM group (13.2%, P = 0.01 and P 0.05), and both were lower than that in MDA5+ASA--IM-ILD group (33.7%, P < 0.05). CONCLUSION The prevalence of ILD in IIM and the prognosis of IIM-ILD patients may vary depending on the statuses of the ASA and MDA-5 antibodies.

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Topics: Interstitial lung disease (54%), Myopathy (51%)
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Open accessJournal ArticleDOI: 10.1186/S13075-021-02578-9
Junyu Liang1, Heng Cao1, Yinuo Liu1, Bingjue Ye1  +5 moreInstitutions (1)
Abstract: Background Interstitial lung disease (ILD) and its rapid progression (RP) are the main contributors to unfavourable outcomes of patients with idiopathic inflammatory myopathy (IIM). This study aimed to identify the clinical value of PET/CT scans in IIM-ILD patients and to construct a predictive model for RP-ILD. Methods Adult IIM-ILD patients who were hospitalized at four divisions of the First Affiliated Hospital, Zhejiang University School of Medicine (FAHZJU), from 1 January 2017 to 31 December 2020 were reviewed. PET/CT scans and other characteristics of patients who met the inclusion and exclusion criteria were collected and analysed. Results A total of 61 IIM-ILD patients were enrolled in this study. Twenty-one patients (34.4%) developed RP-ILD, and 24 patients (39.3%) died during follow-up. After false discovery rate (FDR) correction, the percent-predicted diffusing capacity of the lung for carbon monoxide (DLCO%, P = 0.014), bilateral lung mean standard uptake value (SUVmean, P = 0.014) and abnormal mediastinal lymph node (P = 0.045) were significantly different between the RP-ILD and non-RP-ILD groups. The subsequent univariate and multivariate logistic regression analyses verified our findings. A "DLM" model was established by including the above three values to predict RP-ILD with a cut-off value of ≥ 2 and an area under the curve (AUC) of 0.905. Higher bilateral lung SUVmean (P = 0.019) and spleen SUVmean (P = 0.011) were observed in IIM-ILD patients who died within 3 months, and a moderate correlation was recognized between the two values. Conclusions Elevated bilateral lung SUVmean, abnormal mediastinal lymph nodes and decreased DLCO% were significantly associated with RP-ILD in IIM-ILD patients. The "DLM" model was valuable in predicting RP-ILD and requires further validation.

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Topics: Diffusing capacity (56%), DLCO (53%), Interstitial lung disease (53%) ... read more

1 Citations


Journal ArticleDOI: 10.1093/RHEUMATOLOGY/KEAB488
Chi Shao1, Yuxin Sun1, Hui Huang1, Zeyu Zhang2  +5 moreInstitutions (2)
15 Jun 2021-Rheumatology
Abstract: Objectives Anti-Ro-52 antibody positivity might be associated with the presence of interstitial lung disease (ILD) among patients with autoimmune features. However, the clinical significance of isolated anti-Ro-52 positivity (i.e., the presence of anti-Ro52 antibodies but the absence of anti-Ro60 antibodies; anti-Ro52+-Ro60-) in patients with ILD is not clear. Methods This is a prospective and observational study of Chinese ILD patients with isolated anti-Ro-52 positivity. According to their myositis-specific antibody (MSA) status, patients were split into groups, and their clinical and radiological features were compared. Results Of the 158 enrolled patients with ILD and isolated anti-Ro-52 positivity (isolated anti-Ro-52-ILD), there were 130 patients with a positive MSA status and 28 patients with a negative MSA status. Anti-synthetase antibodies (ASAs) were found in 61.5% of patients with MSA+ ILD, and anti-melanoma differentiated-associated protein 5 (MDA-5) antibodies were found in the remaining 38.5% of patients. The anti-nuclear antibody (ANA) pattern was associated with ASA and anti-MDA-5 positivity (χ2=70.7, P Conclusions Patients with isolated anti-Ro-52-ILD showed high positivity of MSA. Isolated anti-Ro-52 positivity with cytoplasmic ANA positivity was strongly associated with ASA+-ILD, while ANA negativity was associated with anti-MDA-5+-ILD.

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Open accessJournal ArticleDOI: 10.1111/1756-185X.14128
Zhiqian Bai1, Guifen Shen1, Lingli Dong1Institutions (1)
Abstract: Aim To investigate the risk factors for interstitial lung disease (ILD) and prognosis in patients with idiopathic inflammatory myopathy (IIM) Methods A retrospective longitudinal study was performed in patients diagnosed with IIM between January 2012 and December 2018 Results The study cohort included 91 men and 195 women who were classified as having dermatomyositis (DM, n = 183), polymyositis (PM, n = 77), or clinical amyopathic DM (CADM, n = 26) ILD was identified in 465% (n = 133) of patients with IIM The independent risk factors for ILD were age at disease onset, presence of anti-Ro-52 antibody, Gottron's papules, elevated serum immunoglobulin M levels and hypoalbuminemia Older age at disease onset, ILD, malignancy, and increased serum aspartate aminotransferase and neutrophil-to-lymphocyte ratio (NLR) were identified as the independent predictors for mortality, whereas elevated serum albumin level was associated with a better prognosis A total of 73 deaths (255%) occurred after a median follow-up time of 33 months Infection (493%) was the leading cause of death In the overall cohort, the 1-year, 5-year and cumulative survival rates were 832%, 742% and 694%, respectively The receiver operating characteristic curve indicated that the optimal cut-off value of NLR for predicting death in IIM was 611 Conclusion IIM patients have a poor prognosis with substantial mortality, especially in patients who have older age at onset, ILD, malignancy and higher NLR Close monitoring and aggressive therapies are required in patients having poor predictive factors

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Topics: Interstitial lung disease (51%), Dermatomyositis (51%), Cause of death (50%) ... read more

Open accessJournal ArticleDOI: 10.1186/S12887-021-02958-9
Jingyi Xia1, Gaoli Jiang1, Tingting Jin1, Quanli Shen1  +3 moreInstitutions (1)
03 Nov 2021-BMC Pediatrics
Abstract: Clinically amyopathic juvenile dermatomyositis (CAJDM) is a clinical subgroup of juvenile dermatomyositis (JDM), characterized by JDM rashes with little or no clinically evident muscle weakness. Interstitial lung disease (ILD) is an uncommon but potentially fatal complication of juvenile dermatomyositis (JDM). While adults with dermatomyositis-associated ILD usually present respiratory symptoms before or at the same time as skin muscle manifestations, only a few studies have covered the onset of respiratory symptoms of ILD in JDM patients, especially CAJDM. There is currently no clear effective treatment regime or any prognostic factors for CAJDM-associated ILD. Here, we report the first case of a CAJDM patient who presented with respiratory symptoms as the initial manifestation. A 10-year-old male patient presented to the hospital with a complaint of progressive cough and chest pain. Violaceous macule and papules appeared a few days later and he was positive for anti-Ro-52 antibodies. Imaging showed diffuse interstitial infiltration in both lungs and lung function tests showed restrictive and obstructive ventilatory dysfunction. Muscular abnormalities were excluded by thigh magnetic resonance imaging (MRI) and electromyography. Skin biopsy showed pathognomonic findings consistent with DM. Lung biopsy indicated chronic inflammation of the mucosa. This patient was finally diagnosed with CAJDM complicated by ILD and prescribed methylprednisolone, immunoglobulin, prednisolone and mycophenolate mofetil (MMF) for treatment. The patient’s cutaneous and respiratory manifestations were largely improved. We retrospectively reviewed this and another six cases with CAJDM-associated ILD reported previously to better understand its clinical characteristics and effective management. Initial respiratory symptoms with rapid progression in patients presenting Gottron papules should be considered manifestations of CAJDM-associated ILD. We also found a combination of corticosteroids, IVIG and MMF to be an effective method of arresting the progress of CAJDM-associated ILD and improving the prognosis of the patients.

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Topics: Juvenile dermatomyositis (60%), Interstitial lung disease (54%), Lung biopsy (52%) ... read more

Journal ArticleDOI: 10.1016/J.YACR.2021.04.009
Elena K. Joerns1, Arzu Canan1, Kiran Batra1Institutions (1)
01 Sep 2021-
Topics: Connective tissue (74%), Connective tissue disease (71%), Interstitial lung disease (62%) ... read more
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38 results found


Journal ArticleDOI: 10.1056/NEJM197502132920706
Anthony Bohan1, James B. Peter1Institutions (1)
Abstract: Laboratory Features Elevation of sarcoplasmic enzymes in serum (creatine phosphokinase, aldolase, transaminases and lactic dehydrogenase) is valuable both for diagnosis and for following the clinic...

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Topics: Adult dermatomyositis (62%), Dermatomyositis (58%), Polymyositis (57%) ... read more

4,030 Citations


Journal ArticleDOI: 10.1164/AJRCCM.165.2.ATS01
Abstract: Executive Summary Objectives Participants Evidence Validation Key Messages Introduction Rationale for a Change in the Approach to Classification of Idiopathic Interstitial Pneumonias Development of a New Classification of Idiopathic Interstitial Pneumonia Current Classification of IIP New ATS/ERS Classification Principles Guiding the Assessment of Patients with Idiopathic Interstitial Pneumonias The Diagnostic Process Is Dynamic Clinical Evaluation Radiological Evaluation Role of Surgical Lung Biopsy Unclassifiable Interstitial Pneumonia Bronchoalveolar Lavage Fluid Evaluation Idiopathic Pulmonary Fibrosis Clinical Features Radiologic Features Histologic Features IPF: Areas of Uncertainty Nonspecific Interstitial Pneumonia Clinical Features Radiologic Features Histologic Features NSIP: Areas of Uncertainty Cryptogenic Organizing Pneumonia Clinical Features Radiologic Features Histologic Features COP: Areas of Uncertainty Acute Interstitial Pneumonia Clinical Features Radiologic Features Histologic Features AIP: Areas of Uncertainty Respiratory Bronchiolitis-Associated Interstitial Lung Disease Clinical Features Radiologic Features Histologic Features RB-ILD: Areas of Uncertainty Desquamative Interstitial Pneumonia Clinical Features Radiologic Features Histologic Features DIP: Areas of Uncertainty Lymphoid Interstitial Pneumonia Clinical Features Radiologic Features Histologic Features LIP: Areas of Uncertainty References Appendix

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3,382 Citations


Open accessJournal ArticleDOI: 10.1056/NEJM197502202920807
Anthony Bohan1, James B. Peter1Institutions (1)
Topics: Adult dermatomyositis (74%), Juvenile Polymyositis (67%), Polymyositis (65%) ... read more

1,871 Citations


Open accessJournal ArticleDOI: 10.1093/RHEUMATOLOGY/KEP078
01 Jun 2009-Rheumatology
Abstract: The idiopathic inflammatory myopathies (IIMs)--DM and PM--have been historically defined by broad clinical and pathological criteria. These conditions affect both adults and children with clinical features including muscle weakness, skin disease, internal organ involvement and an association with cancer in adults. Using a clinico-serological approach, DM and PM can be defined into more homogeneous subsets. Over the last few years, myositis-specific autoantibodies (MSAs) have been better characterized including autoantibodies directed against the aminoacyl tRNA-synthetase enzymes, the signal-recognition particle and the Mi-2 protein. In addition, clinically significant novel autoantibodies--anti-CADM-140, anti-SAE (small ubiquitin-like modifier activating enzyme), anti-p155/140 and anti-p140--have been described in the adult and juvenile disease spectrum. MSAs are directed against cytoplasmic or nuclear components involved in key regulatory intracellular processes including protein synthesis, translocation and gene transcription. The striking association between unique serological profiles and distinct clinical phenotypes suggests that target autoantigens may play a role in disease induction and propagation. In this review, we discuss the clinical utility and pathogenic significance of MSAs in disease expression.

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Topics: Inflammatory myopathy (51%), Dermatomyositis (50%)

250 Citations


Journal ArticleDOI: 10.1378/CHEST.10-0180
01 Dec 2010-Chest
Abstract: Interstitial lung disease is commonly associated with the autoimmune inflammatory myopathies dermatomyositis and polymyositis and accounts for significant morbidity and mortality in these conditions. In the 35 years since the association between inflammatory myopathy and interstitial lung disease was initially described, there has been progress in diagnosing and treating this dis-order. Nevertheless, there remains much about pathogenesis and therapeutics to be learned. This review examines the changes in the understanding of this complex condition, highlighting recent advances and areas deserving of further study.

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Topics: Inflammatory myopathy (58%), Interstitial lung disease (57%), Antisynthetase syndrome (55%) ... read more

230 Citations