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An Y, Yan SY, Xu W, Li MQ, Dong RR, Yang QR, Ma ZZ. Heparin-binding epidermal growth factor-like growth factor (HB-EGF) activates p38 to affect pulmonary fibrosis. Regen Ther 2024; 26:27-32. [PMID: 38798743 PMCID: PMC11127469 DOI: 10.1016/j.reth.2024.05.002] [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: 03/15/2024] [Revised: 04/23/2024] [Accepted: 05/03/2024] [Indexed: 05/29/2024] Open
Abstract
Objective We aimed to examine whether heparin-binding epidermal growth factor-like growth factor (HB-EGF) affects the lung fibrosis process through the activation of p38 protein in mitogen-activated protein kinases (MAPK) signaling pathway, as well as the expression of downstream inflammatory factors. Methods The expression levels of HB-EGF, collagen type I (COL-I), and hexokinase 2 (HK2) in peripheral blood mononuclear cells (PBMCs) of patients with connective tissue disease-related interstitial lung disease (CTD-ILD) were examined by qPCR, Western blotting and ELISA. Results In vitro experiments showed that HB-EGF was increased in almost all subtypes [rheumatoid arthritis (RA), systemic sclerosis (SSc) and idiopathic inflammatory myopathies (IIMs)] as well as in all groups (P < 0.05). For embryonic lung fibroblast (A549) cells, the expression levels of HK2 and α-smooth muscle actin (α-SMA) genes were elevated during 0-4 h and then plateaued. Transforming growth factor-β1 (TGF-β1) induced fibrosis in human embryonic lung fibroblasts (MRC-5) cells and A549 for a certain period of time, but the degree of induction varied, which may be related to the redifferentiability of cells at different spatial locations. Moreover, HB-EGF at concentrations above 1 ng/ml stimulation increased COL-I expression (P < 0.05), and for α-SMA gene, even 1 ng/ml concentration of HB-EGF had a stimulatory effect, and different concentrations of HB-EGF did activate the expression of p38 in a concentration-dependent manner within a certain concentration range, and by The qPCR results showed that for interleukin 6 (IL-6), an inflammatory factor regulated downstream of p38, the expression was significantly increased in A549 cells compared to control (P < 0.05), but tumor necrosis factor-α (TNF-α) expression was downregulated (P < 0.05), but for interleukin-1β (IL-1β) gene, there was no significant difference in A549 cells, and expression was downregulated in MRC-5 cells. Therefore, it is suggested that HB-EGF regulates the expression of inflammatory factors through p38 will be differential across cells. Conclusion Our study shows that HB-EGF can suppress pulmonary fibrosis through downstream activation of p38/MAPK pathway activity, as well as the expression of various inflammatory factors downstream of it.
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Affiliation(s)
- Yan An
- Department of Rheumatology and Immunology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
- The Second Affiliated Hospital of Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou, China
| | - Su-Yan Yan
- Department of Rheumatology and Immunology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Wei Xu
- Department of Rheumatology and Immunology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Mei-Qi Li
- Department of Rheumatology and Immunology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Rong-Rong Dong
- Department of Rheumatology and Immunology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Qing-Rui Yang
- Department of Rheumatology and Immunology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
- Department of Rheumatology and Immunology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Zhen-Zhen Ma
- Department of Rheumatology and Immunology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
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Qin S, Jiao B, Kang B, Li H, Liu H, Ji C, Yang S, Yuan H, Wang X. Non-contrast computed tomography-based radiomics for staging of connective tissue disease-associated interstitial lung disease. Front Immunol 2023; 14:1213008. [PMID: 37868980 PMCID: PMC10587549 DOI: 10.3389/fimmu.2023.1213008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 09/15/2023] [Indexed: 10/24/2023] Open
Abstract
Rationale and introduction It is of significance to assess the severity and predict the mortality of patients with connective tissue disease-associated interstitial lung disease (CTD-ILD). In this double-center retrospective study, we developed and validated a radiomics nomogram for clinical management by using the ILD-GAP (gender, age, and pulmonary physiology) index system. Materials and methods Patients with CTD-ILD were staged using the ILD-GAP index system. A clinical factor model was built by demographics and CT features, and a radiomics signature was developed using radiomics features extracted from CT images. Combined with the radiomics signature and independent clinical factors, a radiomics nomogram was constructed and evaluated by the area under the curve (AUC) from receiver operating characteristic (ROC) analyses. The models were externally validated in dataset 2 to evaluate the model generalization ability using ROC analysis. Results A total of 245 patients from two clinical centers (dataset 1, n = 202; dataset 2, n = 43) were screened. Pack-years of smoking, traction bronchiectasis, and nine radiomics features were used to build the radiomics nomogram, which showed favorable calibration and discrimination in the training cohort {AUC, 0.887 [95% confidence interval (CI): 0.827-0.940]}, the internal validation cohort [AUC, 0.885 (95% CI: 0.816-0.922)], and the external validation cohort [AUC, 0.85 (95% CI: 0.720-0.919)]. Decision curve analysis demonstrated that the nomogram outperformed the clinical factor model and radiomics signature in terms of clinical usefulness. Conclusion The CT-based radiomics nomogram showed favorable efficacy in predicting individual ILD-GAP stages.
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Affiliation(s)
- Songnan Qin
- Department of Radiology, Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China
| | - Bingxuan Jiao
- Department of Radiology, Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China
| | - Bing Kang
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Haiou Li
- Department of Radiology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Hongwu Liu
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Congshan Ji
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Shifeng Yang
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Hongtao Yuan
- Department of Radiology, Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China
| | - Ximing Wang
- Department of Radiology, Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
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Qin S, Kang B, Liu H, Ji C, Li H, Zhang J, Wang X. A computed tomography-based radiomics nomogram for predicting overall survival in patients with connective tissue disease-associated interstitial lung disease. Eur J Radiol 2023; 165:110963. [PMID: 37437436 DOI: 10.1016/j.ejrad.2023.110963] [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: 04/19/2023] [Revised: 06/21/2023] [Accepted: 07/04/2023] [Indexed: 07/14/2023]
Abstract
OBJECTIVES Accurate prognostic prediction is beneficial for the management of patients with connective tissue disease-associated interstitial lung disease (CTD-ILD). The purpose of the present study was to develop and validate a nomogram using clinical features and computed tomography (CT) based radiomics features to predict overall survival (OS) in patients with CTD-ILD, and to assess the incremental prognostic value the radiomics might add to clinical risk factors. MATERIALS & METHODS Patients from two clinical centers with CTD-ILD were enrolled in the present retrospective study. A radiomics signature, a clinical model and a combined nomogram were developed and assessed in the cohorts. The incremental value of radiomics signature to the clinical independent risk factors in survival prediction was evaluated. The models were externally validated to evaluate the model generalization ability. RESULTS A total of 215 patients (mean age, 53 years ± 14 [standard deviation], 45 men) were evaluated. Patients with higher radiomics scores had higher mortality risk than those with lower radiomics scores (Hazard ratio, 12.396; 95% CI, 3.364-45.680; P < 0.001). The combined nomogram showed better predictive capability than the clinical model did with higher C-indices (0.800, 0.738, 0.742 vs. 0.747, 0.631, 0.587 in the training, internal- and external-validation cohort, respectively), time-AUCs and overall net-benefit. CONCLUSION The radiomics signature is a potential prognostic biomarker of CTD-ILD and add incremental value to the clinical independent risk factors. The combined nomogram can provide a more accurate estimation of OS than the clinical model for CTD-ILD patients. CLINICAL RELEVANCE STATEMENT The developed combined nomogram showed accurate prognostic prediction performance, which is beneficial for the management of CTD-ILD patients. It also proved radiomics could extract prognostic information from CT images.
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Affiliation(s)
- Songnan Qin
- Department of Radiology, Shandong Provincial Hospital, Shandong University, Jinan 250021, Shandong, China
| | - Bing Kang
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 324, Jing 5 Rd, Jinan 250021, Shandong, China
| | - Hongwu Liu
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 324, Jing 5 Rd, Jinan 250021, Shandong, China
| | - Congshan Ji
- Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 324, Jing 5 Rd, Jinan 250021, Shandong, China
| | - Haiou Li
- Department of Radiology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, China
| | - Juntao Zhang
- GE Healthcare, PDx GMS Advanced Analytics, Shanghai, China
| | - Ximing Wang
- Department of Radiology, Shandong Provincial Hospital, Shandong University, Jinan 250021, Shandong, China; Department of Radiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 324, Jing 5 Rd, Jinan 250021, Shandong, China.
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Yamano Y, Kataoka K, Takei R, Sasano H, Yokoyama T, Matsuda T, Kimura T, Mori Y, Furukawa T, Fukuoka J, Johko T, Kondoh Y. Interstitial pneumonia with autoimmune features and histologic usual interstitial pneumonia treated with anti-fibrotic versus immunosuppressive therapy. Respir Investig 2023; 61:297-305. [PMID: 36863306 DOI: 10.1016/j.resinv.2023.01.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 12/14/2022] [Accepted: 01/06/2023] [Indexed: 04/22/2023]
Abstract
BACKGROUND Therapeutic strategies in patients with interstitial pneumonia with autoimmune features (IPAF) and histological usual interstitial pneumonia (UIP) pattern (IPAF-UIP) have not been thoroughly evaluated. We compared the therapeutic efficacy of anti-fibrotic therapy with that of immunosuppressive treatment for patients with IPAF-UIP. METHODS In this retrospective case series, we identified consecutive IPAF-UIP patients treated with anti-fibrotic therapy or immunosuppressive therapy. Clinical characteristics, one-year treatment response, acute exacerbation, and survival were studied. We performed a stratified analysis by the pathological presence or absence of inflammatory cell infiltration. RESULTS Twenty-seven patients with anti-fibrotic therapy and 29 with immunosuppressive treatment were included. There was a significant difference in one-year forced vital capacity (FVC) change between patients with anti-fibrotic treatment (4 in 27 improved, 12 stable, and 11 worsened) and those with immunosuppressive treatment (16 in 29 improved, eight stable, and five worsened) (p = 0.006). There was also a significant difference in one-year St George's Respiratory Questionnaire (SGRQ) change between patients with anti-fibrotic therapy (2 in 27 improved, ten stable, and 15 worsened) and those with immunosuppressive treatment (14 in 29 improved, 12 stable, and worsened) (p < 0.001). There was no significant difference in survival between the groups (p = 0.32). However, in the subgroup with histological inflammatory cell infiltration, survival was significantly better with immunosuppressive therapy (p = 0.02). CONCLUSION In IPAF-UIP, immunosuppressive therapy seemed to be superior to anti-fibrotic treatment in terms of therapeutic response, and provided better outcomes in the histological inflammatory subgroup. Further prospective studies are needed to clarify the therapeutic strategy in IPAF-UIP.
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Affiliation(s)
- Yasuhiko Yamano
- Department of Respiratory Medicine and Allergy, Tosei General Hospital, Seto, Aichi, Japan
| | - Kensuke Kataoka
- Department of Respiratory Medicine and Allergy, Tosei General Hospital, Seto, Aichi, Japan
| | - Reoto Takei
- Department of Respiratory Medicine and Allergy, Tosei General Hospital, Seto, Aichi, Japan
| | - Hajime Sasano
- Department of Respiratory Medicine and Allergy, Tosei General Hospital, Seto, Aichi, Japan
| | - Toshiki Yokoyama
- Department of Respiratory Medicine and Allergy, Tosei General Hospital, Seto, Aichi, Japan
| | - Toshiaki Matsuda
- Department of Respiratory Medicine and Allergy, Tosei General Hospital, Seto, Aichi, Japan
| | - Tomoki Kimura
- Department of Respiratory Medicine and Allergy, Tosei General Hospital, Seto, Aichi, Japan
| | - Yuta Mori
- Department of Respiratory Medicine, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Taiki Furukawa
- Center for Healthcare Information Technology (C-HiT), Nagoya University, Aichi, Japan
| | - Junya Fukuoka
- Department of Laboratory of Pathology, Nagasaki University Hospital, Nagasaki, Japan
| | - Takeshi Johko
- Department of Radiology, Kansai Rosai Hospital, Amagasaki, Japan
| | - Yasuhiro Kondoh
- Department of Respiratory Medicine and Allergy, Tosei General Hospital, Seto, Aichi, Japan.
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Buschulte K, Hoffmann-Vold AM, Dobrota RD, Höger P, Krause A, Kreuter M. [Treatment of lung fibrosis in systemic rheumatic diseases (new treatment)]. Z Rheumatol 2021; 80:743-754. [PMID: 34505934 PMCID: PMC8429885 DOI: 10.1007/s00393-021-01067-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/30/2021] [Indexed: 11/25/2022]
Abstract
An interstitial lung disease represents a relevant organ manifestation in many systemic rheumatic diseases (connective tissue disease-interstitial lung disease, CTD-ILD). In 10% of the cases pulmonary fibrosis even results in an underlying systemic disease. The CTD-ILDs are frequently associated with a poor prognosis. Therefore, it is important to test patients with systemic rheumatic diseases timely and regularly for the presence of an ILD. Treatment decisions should be made together with pneumologists and rheumatologists, particularly with respect to the initiation of a specific treatment. Treatment is based on randomized studies only in a few cases and can mostly be derived from case control studies. For systemic sclerosis-associated ILD (SSc-ILD) antifibrotic treatment with nintedanib has also now been approved in addition to an immunosuppressive treatment. For other CTD-ILDs an antifibrotic treatment should be discussed in an interdisciplinary approach depending on the underlying disease corresponding to a progressively fibrosing ILD.
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Affiliation(s)
- Katharina Buschulte
- Zentrum für seltene und interstitielle Lungenerkrankungen, Pneumologie, Thoraxklinik, Universitätsklinikum Heidelberg und Deutsches Zentrum für Lungenforschung (DZL), Röntgenstr. 1, 69126, Heidelberg, Deutschland
| | | | | | - Philipp Höger
- Zentrum für seltene und interstitielle Lungenerkrankungen, Pneumologie, Thoraxklinik, Universitätsklinikum Heidelberg und Deutsches Zentrum für Lungenforschung (DZL), Röntgenstr. 1, 69126, Heidelberg, Deutschland
| | - Andreas Krause
- Abteilung für Rheumatologie, Klinische Immunologie und Osteologie, Immanuel Krankenhaus Berlin, Berlin, Deutschland
| | - Michael Kreuter
- Zentrum für seltene und interstitielle Lungenerkrankungen, Pneumologie, Thoraxklinik, Universitätsklinikum Heidelberg und Deutsches Zentrum für Lungenforschung (DZL), Röntgenstr. 1, 69126, Heidelberg, Deutschland.
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Soskis A, Hallowell R. Antifibrotic Therapy: Is There a Role in Myositis-Interstitial Lung Disease? Respiration 2021; 100:923-932. [PMID: 33951665 DOI: 10.1159/000515607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 03/01/2021] [Indexed: 11/19/2022] Open
Abstract
Interstitial lung disease (ILD) is a cause of substantial morbidity and mortality amongst autoimmune diseases, including myositis. Despite first-line therapy with immunosuppression, many inflammatory ILDs advance to a fibrotic stage. In such patients, progressive fibrosis may be amenable to treatment with antifibrotic medications, which were initially studied and approved for the treatment of idiopathic pulmonary fibrosis. We here review the available data that support the use of antifibrotics in connective tissue diseases and progressive fibrosing ILDs. There is now a growing body of evidence in both large randomized clinical trials and on the evolving pathophysiologic pathways to support the use of antifibrotics in select patients with autoimmune ILD and a fibrotic phenotype. Further study of antifibrotics in combination with immunosuppressive medications, and in the myositis-ILD population, is needed.
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Affiliation(s)
- Alyssa Soskis
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA.,Harvard Medical School, Boston, Massachusetts, USA
| | - Robert Hallowell
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA.,Harvard Medical School, Boston, Massachusetts, USA
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Kreuter M, Müller-Ladner U, Costabel U, Jonigk D, Peter Heussel C. The Diagnosis and Treatment of Pulmonary Fibrosis. DEUTSCHES ARZTEBLATT INTERNATIONAL 2021; 118:arztebl.m2021.0018. [PMID: 33531115 PMCID: PMC8212400 DOI: 10.3238/arztebl.m2021.0018] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 10/14/2020] [Indexed: 02/01/2023]
Abstract
BACKGROUND The different types of pulmonary fibrosis are a subgroup of the interstitial lung diseases (ILDs). They are associated with a chronic and often progressive course. METHODS This review is based on pertinent publications retrieved by a selective search in the EMBASE and PubMed databases, with an emphasis on articles published from 2000 to 2020. RESULTS The most common type of pulmonary fibrosis is idiopathic pulmonary fibrosis (IPF). Among other relevant types, the most important ones are fibrosing hypersensitivity pneumonitis (fHP) and ILDs associated with systemic diseases, all of which are rare and generally carry a poor prognosis. The essential prerequisite to accurate diagnosis is aninterdisciplinary approach, taking account of the clinical, histological, and radiological aspects. The main complications of pulmonary fibrosis are acute exacerbations and pulmonary hypertension; comorbidities are also of prognostic relevance. Treatment of pulmonary fibrosis depends on the subtype and clinical behavior. For IPF, antifibrotic therapy is indicated; fHP, on the other hand, is mainly treated by antigen avoidance and immune modulation. The predominant mode of treatment for systemic disease-associated pulmonary fibrosis is immune suppression. Antifibrotic agents can also be useful in the treatment of other types of progressivepulmonary fibrosis besides IPF. CONCLUSION The differential diagnosis of pulmonary fibrosis, though complex, is clinically essential, as different types of pulmonary fibrosis are treated differently.
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Affiliation(s)
- Michael Kreuter
- Center for Interstitial and Rare Lung Diseases, Pneumology and Respiratory Critical Care Medicine, Thoraxklinik at Heidelberg University Hospital
- German Center for Lung Research (DZL)
| | - Ulf Müller-Ladner
- Department of Internal Medicine and Rheumatology, Campus Kerckhoff, Justus-Liebig-University Giessen, Bad Nauheim
| | - Ulrich Costabel
- Department of Pneumology, Ruhrlandklinik, University Medical Center Essen
| | - Danny Jonigk
- German Center for Lung Research (DZL)
- Institute of Pathology, Hannover Medical School
| | - Claus Peter Heussel
- German Center for Lung Research (DZL)
- Department of Diagnostic and Interventional Radiology, Thoraxklinik at Heidelberg University Hospital
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Abstract
PURPOSE OF REVIEW To review the recently published data and provide a practical overview for management of systemic sclerosis-interstitial lung disease (SSc-ILD). RECENT FINDINGS Published evidence shows considerable practitioner variability in screening patients for ILD. Recent published data support use of cyclophosphamide or mycophenolate mofetil as first-line treatment of SSc-ILD. For patients not responding to first-line therapies, consideration is given to rituximab as rescue therapy. Recent trials of hematopoietic autologous stem cell transplantation have demonstrated benefit in patients with progressive SSc-ILD. Antifibrotic agents are approved in idiopathic pulmonary fibrosis; studies with antifibrotics are underway for SSc-ILD. SUMMARY The specter of rapidly progressive lung disease requires clinicians to risk stratify patients according to known predictors for progression and rigorously monitor for symptoms and advancing disease. The abovementioned therapies promise improved efficacy and favorable side-effect profiles compared to cyclophosphamide.
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Tirelli C, Morandi V, Valentini A, La Carrubba C, Dore R, Zanframundo G, Morbini P, Grignaschi S, Franconeri A, Oggionni T, Marasco E, De Stefano L, Kadija Z, Mariani F, Codullo V, Alpini C, Scirè C, Montecucco C, Meloni F, Cavagna L. Multidisciplinary Approach in the Early Detection of Undiagnosed Connective Tissue Diseases in Patients With Interstitial Lung Disease: A Retrospective Cohort Study. Front Med (Lausanne) 2020; 7:11. [PMID: 32133362 PMCID: PMC7040230 DOI: 10.3389/fmed.2020.00011] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 01/13/2020] [Indexed: 12/23/2022] Open
Abstract
Interstitial lung disease (ILD) encompasses a wide range of parenchymal lung pathologies with different clinical, histological, radiological, and serological features. Follow-up, treatment, and prognosis are strongly influenced by the underlying pathogenesis. Considering that an ILD may complicate the course of any connective tissue disease (CTD) and that CTD's signs are not always easily identifiable, it could be useful to screen every ILD patient for a possible CTD. The recent definition of interstitial pneumonia with autoimmune features is a further confirmation of the close relationship between CTD and ILD. In this context, the multidisciplinary approach is assuming a growing and accepted role in the correct diagnosis and follow-up, to as early as possible define the best therapeutic strategy. However, despite clinical advantages, until now, the pathways of the multidisciplinary approach in ILD patients are largely heterogeneous across different centers and the best strategy to apply is still to be established and validated. Aims of this article are to describe the organization of our multidisciplinary group for ILD, which is mainly focused on the early identification and management of CTD in patients with ILD and to show our results in a 1 year period of observation. We found that 15% of patients referred for ILD had an underlying CTD, 33% had interstitial pneumonia with autoimmune feature, and 52% had ILD without detectable CTD. Furthermore, we demonstrated that the adoption of a standardized strategy consisting of a screening questionnaire, specific laboratory tests, and nailfold videocapillaroscopy in all incident ILD proved useful in making the right diagnosis.
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Affiliation(s)
- Claudio Tirelli
- Division of Pneumology, University and IRCCS Policlinico S. Matteo Foundation, Pavia, Italy
| | - Valentina Morandi
- Division of Rheumatology, University and IRCCS Policlinico S. Matteo Foundation, Pavia, Italy
| | - Adele Valentini
- Institute of Radiology, University and IRCCS Policlinico S. Matteo Foundation, Pavia, Italy
| | - Claudia La Carrubba
- Division of Pneumology, University and IRCCS Policlinico S. Matteo Foundation, Pavia, Italy
| | - Roberto Dore
- Radiology Unit, Isituti Clinici Città di Pavia, Pavia, Italy
| | - Giovanni Zanframundo
- Division of Rheumatology, University and IRCCS Policlinico S. Matteo Foundation, Pavia, Italy
| | - Patrizia Morbini
- Pathology Unit, University and IRCCS Policlinico S. Matteo Foundation, Pavia, Italy
| | - Silvia Grignaschi
- Division of Rheumatology, University and IRCCS Policlinico S. Matteo Foundation, Pavia, Italy
| | - Andrea Franconeri
- Institute of Radiology, University and IRCCS Policlinico S. Matteo Foundation, Pavia, Italy
| | - Tiberio Oggionni
- Division of Pneumology, University and IRCCS Policlinico S. Matteo Foundation, Pavia, Italy
| | - Emiliano Marasco
- Division of Rheumatology, University and IRCCS Policlinico S. Matteo Foundation, Pavia, Italy
| | - Ludovico De Stefano
- Division of Rheumatology, University and IRCCS Policlinico S. Matteo Foundation, Pavia, Italy
| | - Zamir Kadija
- Division of Pneumology, University and IRCCS Policlinico S. Matteo Foundation, Pavia, Italy
| | - Francesca Mariani
- Division of Pneumology, University and IRCCS Policlinico S. Matteo Foundation, Pavia, Italy
| | | | - Claudia Alpini
- Laboratory of Biochemical-Clinical Analyses, IRCCS Policlinico San Matteo Foundation, Pavia, Italy
| | - Carlo Scirè
- Division of Rheumatology, Arcispedale Sant'Anna, Ferrara, Italy
| | | | - Federica Meloni
- Division of Pneumology, University and IRCCS Policlinico S. Matteo Foundation, Pavia, Italy
| | - Lorenzo Cavagna
- Division of Rheumatology, University and IRCCS Policlinico S. Matteo Foundation, Pavia, Italy
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Prognostic value of cardiopulmonary exercise testing in patients with systemic sclerosis. BMC Pulm Med 2019; 19:230. [PMID: 31783745 PMCID: PMC6884803 DOI: 10.1186/s12890-019-1003-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Accepted: 11/20/2019] [Indexed: 02/04/2023] Open
Abstract
Background Systemic sclerosis (SSc) is a severe rheumatic disease of the interstitial tissue, in which heart and lung involvement can lead to disease-specific mortality. Our study tests the hypothesis that in addition to established prognostic factors, cardiopulmonary exercise testing (CPET) parameters, particularly peak oxygen uptake (peakVO2) and ventilation/carbon dioxide (VE/VCO2)-slope, can predict survival in patients with SSc. Subjects and methods We retrospectively assessed 210 patients (80.9% female) in 6 centres over 10 years with pulmonary testing and CPET. Survival was analysed with Cox regression analysis (adjusted for age and gender) by age, comorbidity (Charlson-Index), body weight, body-mass index, extensive interstitial lung disease, pulmonary artery pressure (measured by echocardiography and invasively), and haemodynamic, pulmonary and CPET parameters. Results Five- and ten-year survival of SSc patients was 93.8 and 86.9%, respectively. There was no difference in survival between patients with diffuse (dcSSc) and limited cutaneous manifestation (lcSSc; p = 0.3). Pulmonary and CPET parameters were significantly impaired. Prognosis was worst for patients with pulmonary hypertension (p = 0.007), 6-min walking distance < 413 m (p = 0.003), peakVO2 < 15.6 mL∙kg− 1∙min− 1, and VE/VCO2-slope > 35. Age (hazard ratio HR = 1.23; 95% confidence interval CI: 1.14;1.41), VE/VCO2-slope (HR = 0.9; CI 0.82;0.98), diffusion capacity (Krogh factor, HR = 0.92; CI 0.86;0.98), forced vital capacity (FVC, HR = 0.91; CI 0.86;0.96), and peakVO2 (HR = 0.87; CI 0.81;0.94) were significantly linked to survival in multivariate analyses (Harrell’s C = 0.95). Summary This is the first large study with SSc patients that demonstrates the prognostic value of peakVO2 < 15.6 mL∙kg− 1∙min− 1 (< 64.5% of predicted peakVO2) and VE/VCO2-slope > 35.
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