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Soccio P, Moriondo G, d'Alessandro M, Scioscia G, Bergantini L, Gangi S, Tondo P, Foschino Barbaro MP, Cameli P, Bargagli E, Lacedonia D. Role of BAL and Serum Krebs von den Lungen-6 (KL-6) in Patients with Pulmonary Fibrosis. Biomedicines 2024; 12:269. [PMID: 38397871 PMCID: PMC10886706 DOI: 10.3390/biomedicines12020269] [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: 01/02/2024] [Revised: 01/19/2024] [Accepted: 01/22/2024] [Indexed: 02/25/2024] Open
Abstract
Background: Interstitial lung diseases (ILDs) encompass a diverse group of disorders affecting the lung interstitium, leading to inflammation, fibrosis, and impaired respiratory function. Currently, the identification of new diagnostic and prognostic biomarkers for ILDs turns out to be necessary. Several studies show the role of KL-6 in various types of interstitial lung disease and suggest that serum KL-6 levels can be used as a prognostic marker of disease. The aim of this study was to analyze KL-6 expression either in serum or bronchoalveolar lavage samples in order to: (i) make a serum vs. BAL comparison; (ii) better understand the local behavior of fibrosis vs. the systemic one; and (iii) evaluate any differences in patients with progressive fibrosis (PPF) versus patients with non-progressive fibrosis (nPPF). Methods: We used qRT-PCR to detect KL-6 expression both in serum and BAL samples. Mann-Whitney's U test was used to compare the differential expression between groups. Results: In serum, KL-6 is more highly expressed in PPF than in non-progressive fibrosis (p = 0.0295). This difference is even more significant in BAL (p < 0.001). Therefore, it is clear that KL-6 values are related to disease progression. Significant differences were found by making a comparison between BAL and serum. KL-6 was markedly higher in serum than BAL (p = 0.0146). Conclusions: This study identifies KL-6 as a promising biomarker for the severity of the fibrosing process and disease progression in ILDs, with significantly higher levels observed in PPF compared to nPPF. Moreover, the marked difference in KL-6 levels between serum and BAL emphasizes its potential diagnostic and prognostic relevance, providing enlightening insights into both the local and systemic aspects of ILDs.
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Affiliation(s)
- Piera Soccio
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy
| | - Giorgia Moriondo
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy
| | - Miriana d'Alessandro
- Respiratory Diseases and Lung Transplantation Unit, Department of Medical and Surgical Sciences & Neuro-Sciences, University of Siena, 53100 Siena, Italy
| | - Giulia Scioscia
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy
- Institute of Respiratory Diseases, Policlinico Riuniti of Foggia, 71122 Foggia, Italy
| | - Laura Bergantini
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy
| | - Sara Gangi
- Respiratory Diseases and Lung Transplantation Unit, Department of Medical and Surgical Sciences & Neuro-Sciences, University of Siena, 53100 Siena, Italy
| | - Pasquale Tondo
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy
| | | | - Paolo Cameli
- Respiratory Diseases and Lung Transplantation Unit, Department of Medical and Surgical Sciences & Neuro-Sciences, University of Siena, 53100 Siena, Italy
| | - Elena Bargagli
- Respiratory Diseases and Lung Transplantation Unit, Department of Medical and Surgical Sciences & Neuro-Sciences, University of Siena, 53100 Siena, Italy
| | - Donato Lacedonia
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy
- Institute of Respiratory Diseases, Policlinico Riuniti of Foggia, 71122 Foggia, Italy
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Feng X, Duan Y, Lv X, Li Q, Liang B, Ou X. The Impact of Lung Cancer in Patients with Combined Pulmonary Fibrosis and Emphysema (CPFE). J Clin Med 2023; 12:jcm12031100. [PMID: 36769748 PMCID: PMC9917551 DOI: 10.3390/jcm12031100] [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: 01/08/2023] [Revised: 01/20/2023] [Accepted: 01/22/2023] [Indexed: 02/02/2023] Open
Abstract
Given the high risk of lung cancer (LC) in patients with combined pulmonary fibrosis and emphysema (CPFE), and the difficulty of early diagnosis, it is important to understand the impact of LC in these patients. The effect of LC on the development of acute exacerbation (AE) as a natural course of CPFE is still unknown. We retrospectively reviewed medical records of patients at the West China Hospital and enrolled 59 patients with CPFE combined with LC and 68 CPFE patients without LC for initial diagnosis matched in the same period. We compared the clinical characteristics and imaging features of CPFE patients with LC and without LC, and analyzed the associated factors for the prevalence of LC using binary logistic regression. Cox proportional hazards regression analysis was performed to explore risk factors of AE as a natural course of CPFE. Patients with CPFE combined with LC were more common among elderly male smokers. The most common pathological type of tumor was adenocarcinoma (24/59, 40.7%) and squamous cell carcinoma (18/59, 30.5%). Compared with those in the without LC group, the proportions of men, and ex- or current smokers, and the levels of smoking pack-years, serum CRP, IL-6, fibrinogen, complement C3 and C4 in patients with LC were significantly higher (p < 0.05). There was no significant difference in the proportion of natural-course-related AE (10.2% vs. 16.2%, p > 0.05) between the two groups. Logistic regression analysis demonstrated that pack-years ≥ 20 (OR: 3.672, 95% CI: 1.165-11.579), family history of cancer (OR: 8.353, 95% CI: 2.368-10.417), the level of fibrinogen > 4.81 g/L (OR: 3.628, 95% CI: 1.403-9.385) and serum C3 > 1.00 g/L (OR: 5.299, 95% CI: 1.727-16.263) were independently associated with LC in patients with CPFE. Compared to those without AE, CPFE patients with AE had significantly higher levels of PLR and serum CRP, with obviously lower DLCO and VC. The obviously increased PLR (HR: 3.731, 95% CI: 1.288-10.813), and decreased DLCO%pred (HR: 0.919, 95% CI: 0.863-0.979) and VC%pred (HR: 0.577, 95% CI: 0.137-0.918) rather than the presence of LC independently contributed to the development of natural-course-related AE in patients with CPFE. Pack-years, family history of cancer, the levels of fibrinogen and serum C3 were independently associated with LC in patients with CPFE. The presence of LC did not significantly increase the risk of AE as a natural course of CPFE. Clinicians should give high priority to CPFE patients, especially those with more severe fibrosis and systemic inflammation, in order to be alert for the occurrence of AE.
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Affiliation(s)
- Xiaoyi Feng
- Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Yishan Duan
- Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Xiafei Lv
- Department of Radiology, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Qinxue Li
- Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Binmiao Liang
- Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Xuemei Ou
- Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, Chengdu 610041, China
- Correspondence:
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Horio Y, Takihara T, Takahashi F, Enokida K, Nakamura N, Tanaka J, Tomomatsu K, Niimi K, Tajiri S, Hayama N, Ito Y, Oguma T, Asano K. Prognosis of acute exacerbation in idiopathic pulmonary fibrosis with pulmonary emphysema: a retrospective cohort study in Japan. BMJ Open 2022; 12:e062236. [PMID: 36123101 PMCID: PMC9486357 DOI: 10.1136/bmjopen-2022-062236] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
OBJECTIVES To analyse the clinical characteristics and prognosis of acute exacerbation (AE) in patients with idiopathic pulmonary fibrosis (IPF) and pulmonary emphysema. DESIGN A multicentre retrospective cohort study SETTING: Two university hospitals in Japan PARTICIPANTS: Patients admitted to hospitals due to AE of IPF diagnosed based on a multidisciplinary discussion. INTERVENTIONS None PRIMARY AND SECONDARY OUTCOME MEASURES: 90-day mortality rate METHODS: We retrospectively analysed consecutive patients with AE of IPF, with or without pulmonary emphysema, admitted to two university hospitals between 2007 and 2018. RESULTS Among 62 patients (median age, 75 years; 48 men) admitted for AE of IPF, 29 patients (46%) presented with concomitant pulmonary emphysema. There was no significant difference in the arterial partial oxygen pressure/fraction of inhaled oxygen (P/F) ratio or other laboratory and radiographic data between patients with and without emphysema. The 90-day mortality rate was significantly lower in patients with emphysema than in those with IPF alone (23% vs 52%, p=0.03). The median survival time was significantly longer in patients with emphysema than in those with IPF alone (405 vs 242 days, p=0.02). CONCLUSION Patients with IPF and emphysema had better short-term survival after AE than those with non-emphysematous IPF.
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Affiliation(s)
- Yukihiro Horio
- Division of Pulmonary Medicine, Department of Medicine, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Takahisa Takihara
- Division of Pulmonary Medicine, Department of Medicine, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Fuminari Takahashi
- Department of Medicine, Tokai University Oiso Hospital, Naka-gun, Kanagawa, Japan
| | - Keito Enokida
- Division of Pulmonary Medicine, Department of Medicine, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Noriko Nakamura
- Department of Radiology, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Jun Tanaka
- Division of Pulmonary Medicine, Department of Medicine, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Katsuyoshi Tomomatsu
- Division of Pulmonary Medicine, Department of Medicine, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Kyoko Niimi
- Division of Pulmonary Medicine, Department of Medicine, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Sakurako Tajiri
- Department of Medicine, Tokai University Oiso Hospital, Naka-gun, Kanagawa, Japan
| | - Naoki Hayama
- Division of Pulmonary Medicine, Department of Medicine, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Yoko Ito
- Division of Pulmonary Medicine, Department of Medicine, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Tsuyoshi Oguma
- Division of Pulmonary Medicine, Department of Medicine, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Koichiro Asano
- Division of Pulmonary Medicine, Department of Medicine, Tokai University School of Medicine, Isehara, Kanagawa, Japan
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Cottin V, Selman M, Inoue Y, Wong AW, Corte TJ, Flaherty KR, Han MK, Jacob J, Johannson KA, Kitaichi M, Lee JS, Agusti A, Antoniou KM, Bianchi P, Caro F, Florenzano M, Galvin L, Iwasawa T, Martinez FJ, Morgan RL, Myers JL, Nicholson AG, Occhipinti M, Poletti V, Salisbury ML, Sin DD, Sverzellati N, Tonia T, Valenzuela C, Ryerson CJ, Wells AU. Syndrome of Combined Pulmonary Fibrosis and Emphysema: An Official ATS/ERS/JRS/ALAT Research Statement. Am J Respir Crit Care Med 2022; 206:e7-e41. [PMID: 35969190 PMCID: PMC7615200 DOI: 10.1164/rccm.202206-1041st] [Citation(s) in RCA: 55] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Background: The presence of emphysema is relatively common in patients with fibrotic interstitial lung disease. This has been designated combined pulmonary fibrosis and emphysema (CPFE). The lack of consensus over definitions and diagnostic criteria has limited CPFE research. Goals: The objectives of this task force were to review the terminology, definition, characteristics, pathophysiology, and research priorities of CPFE and to explore whether CPFE is a syndrome. Methods: This research statement was developed by a committee including 19 pulmonologists, 5 radiologists, 3 pathologists, 2 methodologists, and 2 patient representatives. The final document was supported by a focused systematic review that identified and summarized all recent publications related to CPFE. Results: This task force identified that patients with CPFE are predominantly male, with a history of smoking, severe dyspnea, relatively preserved airflow rates and lung volumes on spirometry, severely impaired DlCO, exertional hypoxemia, frequent pulmonary hypertension, and a dismal prognosis. The committee proposes to identify CPFE as a syndrome, given the clustering of pulmonary fibrosis and emphysema, shared pathogenetic pathways, unique considerations related to disease progression, increased risk of complications (pulmonary hypertension, lung cancer, and/or mortality), and implications for clinical trial design. There are varying features of interstitial lung disease and emphysema in CPFE. The committee offers a research definition and classification criteria and proposes that studies on CPFE include a comprehensive description of radiologic and, when available, pathological patterns, including some recently described patterns such as smoking-related interstitial fibrosis. Conclusions: This statement delineates the syndrome of CPFE and highlights research priorities.
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Affiliation(s)
- Vincent Cottin
- National Reference Center for Rare Pulmonary Diseases, Louis Pradel Hospital, Hospices Civils de Lyon, University of Lyon, INRAE, Lyon, France
| | - Moises Selman
- Instituto Nacional de Enfermedades Respiratorias “Ismael Cosío Villegas”, Mexico City, Mexico
| | | | | | - Tamera J. Corte
- Royal Prince Alfred Hospital and University of Sydney, Sydney, Australia
| | | | | | - Joseph Jacob
- University College London, London, United Kingdom
| | - Kerri A. Johannson
- Department of Medicine and Community Health Sciences, University of Calgary, Calgary, AB, Canada
| | | | - Joyce S. Lee
- University of Colorado Denver Anschutz Medical Campus, School of Medicine, Aurora, CO, USA
| | - Alvar Agusti
- Respiratory Institute, Hospital Clinic, University of Barcelona, IDIBAPS, CIBERES, Barcelona, Spain
| | - Katerina M. Antoniou
- Laboratory of Molecular and Cellular Pneumonology, Department of Respiratory Medicine, University of Crete, Heraklion, Greece
| | | | - Fabian Caro
- Hospital de Rehabilitación Respiratoria "María Ferrer", Buenos Aires, Argentina
| | | | - Liam Galvin
- European idiopathic pulmonary fibrosis and related disorders federation
| | - Tae Iwasawa
- Kanagawa Cardiovascular and Respiratory Center, Yokohama, Japan
| | | | | | | | - Andrew G. Nicholson
- Royal Brompton and Harefield Hospitals, Guy’s and St Thomas’ NHS Foundation Trust and National Heart and Lung Institute, Imperial College, London, United Kingdom
| | | | | | | | - Don D. Sin
- University of British Columbia, Vancouver, Canada
| | - Nicola Sverzellati
- Scienze Radiologiche, Department of Medicine and Surgery, University of Parma, Italy
| | - Thomy Tonia
- Institute of Social and Preventive Medicine, University of Bern, Switzerland
| | - Claudia Valenzuela
- Pulmonology Department, Hospital Universitario de la Princesa, Departamento Medicina, Universidad Autónoma de Madrid, 28049 Madrid, Spain
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Choi JY, Song JW, Rhee CK. Chronic Obstructive Pulmonary Disease Combined with Interstitial Lung Disease. Tuberc Respir Dis (Seoul) 2022; 85:122-136. [PMID: 35385639 PMCID: PMC8987660 DOI: 10.4046/trd.2021.0141] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 12/06/2021] [Accepted: 01/25/2022] [Indexed: 11/24/2022] Open
Abstract
Although chronic obstructive pulmonary disease (COPD) and interstitial lung disease (ILD) have distinct clinical features, both diseases may coexist in a patient because they share similar risk factors such as smoking, male sex, and old age. Patients with both emphysema in upper lung fields and diffuse ILD are diagnosed with combined pulmonary fibrosis and emphysema (CPFE), which causes substantial clinical deterioration. Patients with CPFE have higher mortality compared with patients who have COPD alone, but results have been inconclusive compared with patients who have idiopathic pulmonary fibrosis (IPF). Poor prognostic factors for CPFE include exacerbation, lung cancer, and pulmonary hypertension. The presence of interstitial lung abnormalities, which may be an early or mild form of ILD, is notable among patients with COPD, and is associated with poor prognosis. Various theories have been proposed regarding the pathophysiology of CPFE. Biomarker analyses have implied that this pathophysiology may be more closely associated with IPF development, rather than COPD or emphysema. Patients with CPFE should be advised to quit smoking and undergo routine lung function tests, and pulmonary rehabilitation may be helpful. Various pharmacologic agents and surgical approaches may be beneficial in patients with CPFE, but further studies are needed.
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Affiliation(s)
- Joon Young Choi
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Incheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Jin Woo Song
- Division of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Chin Kook Rhee
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
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Beghé B, Cerri S, Fabbri LM, Marchioni A. COPD, Pulmonary Fibrosis and ILAs in Aging Smokers: The Paradox of Striking Different Responses to the Major Risk Factors. Int J Mol Sci 2021; 22:ijms22179292. [PMID: 34502194 PMCID: PMC8430914 DOI: 10.3390/ijms22179292] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 08/25/2021] [Accepted: 08/25/2021] [Indexed: 01/19/2023] Open
Abstract
Aging and smoking are associated with the progressive development of three main pulmonary diseases: chronic obstructive pulmonary disease (COPD), interstitial lung abnormalities (ILAs), and idiopathic pulmonary fibrosis (IPF). All three manifest mainly after the age of 60 years, but with different natural histories and prevalence: COPD prevalence increases with age to >40%, ILA prevalence is 8%, and IPF, a rare disease, is 0.0005–0.002%. While COPD and ILAs may be associated with gradual progression and mortality, the natural history of IPF remains obscure, with a worse prognosis and life expectancy of 2–5 years from diagnosis. Acute exacerbations are significant events in both COPD and IPF, with a much worse prognosis in IPF. This perspective discusses the paradox of the striking pathological and pathophysiologic responses on the background of the same main risk factors, aging and smoking, suggesting two distinct pathophysiologic processes for COPD and ILAs on one side and IPF on the other side. Pathologically, COPD is characterized by small airways fibrosis and remodeling, with the destruction of the lung parenchyma. By contrast, IPF almost exclusively affects the lung parenchyma and interstitium. ILAs are a heterogenous group of diseases, a minority of which present with the alveolar and interstitial abnormalities of interstitial lung disease.
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Affiliation(s)
- Bianca Beghé
- Respiratory Diseases Unit, University Hospital of Modena, 41124 Modena, Italy; (S.C.); (A.M.)
- Correspondence:
| | - Stefania Cerri
- Respiratory Diseases Unit, University Hospital of Modena, 41124 Modena, Italy; (S.C.); (A.M.)
| | - Leonardo M. Fabbri
- Department of Translational Medicine and Romagna, University of Ferrara, 44121 Ferrara, Italy;
| | - Alessandro Marchioni
- Respiratory Diseases Unit, University Hospital of Modena, 41124 Modena, Italy; (S.C.); (A.M.)
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Hage R, Gautschi F, Steinack C, Schuurmans MM. Combined Pulmonary Fibrosis and Emphysema (CPFE) Clinical Features and Management. Int J Chron Obstruct Pulmon Dis 2021; 16:167-177. [PMID: 33536752 PMCID: PMC7850450 DOI: 10.2147/copd.s286360] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 12/30/2020] [Indexed: 01/14/2023] Open
Abstract
Background Combined pulmonary fibrosis and emphysema (CPFE) is an underrecognized syndrome characterized by chronic, progressive disease with a dismal prognosis. Frequent co-morbidities with a higher incidence than in idiopathic pulmonary fibrosis or emphysema alone are pulmonary hypertension (WHO group 3) in 47–90% of the patients and lung cancer in 46.8% of the patients. Objective Review current evidence and knowledge concerning diagnosis, risk factors, disease evolution and treatment options of CPFE. Methods We searched studies reporting CPFE in original papers, observational studies, case reports, and meta-analyses published between 1990 and August 2020, in the PubMed, Embase, Cochrane Library, Wiley Online Library databases and Google Scholar using the search terms [CPFE], [pulmonary fibrosis] OR [IPF] AND [emphysema]. Bibliographies of retrieved articles were searched as well. Further inclusion criteria were publications in English, French, German and Italian, with reference to humans. In vitro data and animal data were not considered unless they were mentioned in studies reporting predominantly human data. Results Between May 1, 1990, and September 1, 2020, we found 16 studies on CPFE from the online sources and bibliographies. A total of 890 patients are described in the literature. Although male/female ratio was not reported in all studies, the large majority of patients were male (at least 78%), most of them were current or former heavy smokers. Conclusion CPFE is a syndrome presenting with dyspnea on exertion followed by disruptive cough and recurrent exacerbations. The disease may progress rapidly, be aggravated by pulmonary hypertension WHO group 3 and is associated with an increased risk of lung cancer. Smoking and male sex are important risk factors. There is a need for more research on CPFE especially relating to etiology, influence of genetics, treatment and prevention options. Antifibrotic therapy might be an interesting treatment option for these patients.
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Affiliation(s)
- René Hage
- University Hospital Zurich, Division of Pulmonology, Zurich, Switzerland.,University of Zurich, Faculty of Medicine, Zurich, Switzerland
| | - Fiorenza Gautschi
- University Hospital Zurich, Division of Pulmonology, Zurich, Switzerland.,University of Zurich, Faculty of Medicine, Zurich, Switzerland
| | - Carolin Steinack
- University Hospital Zurich, Division of Pulmonology, Zurich, Switzerland.,University of Zurich, Faculty of Medicine, Zurich, Switzerland
| | - Macé M Schuurmans
- University Hospital Zurich, Division of Pulmonology, Zurich, Switzerland.,University of Zurich, Faculty of Medicine, Zurich, Switzerland
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