The International Journal of Tuberculosis and Lung Disease

Our medical research library holds 8 studies published in The International Journal of Tuberculosis and Lung Disease (1998–2020). Each entry links to the study's record on PubMed and, where there is one, to the publisher's page and a free full text. 8 have an abstract, the authors' own summary as PubMed records it: open "Abstract" to read it.

About the journal

• Publisher: International Union against Tuberculosis and Lung Disease
• Published: 1997 to the present, France
• Language: English
• ISSN: 1027-3719 (print), 1815-7920 (electronic)
• Its record in the NLM Catalog

2020s

• Asbestos-related diseases. A.W. Musk, N. de Klerk, A. Reid, et al. 2020;24(6):562-567. PubMed · Publisher

  Abstract

  Knowledge of asbestos-related diseases has been accumulating for over one hundred years as the industrial value of asbestos was recognised for the strength of its fibres and their resistance to destruction, resulting in increasing production and use until the multiple health effects have become apparent. Deposition in the lung parenchyma results in an inflammatory/progressively fibrotic response, with impaired gas exchange and reduced lung compliance ('asbestosis'), causing progressive dyspnoea and respiratory failure for which only palliation is indicated, although anti-fibrotic agents used for idiopathic usual interstitial pneumonitis remain to be evaluated. Benign pleural effusion, diffuse pleural fibrosis (occasionally with associated rolled atelectasis) and pleural plaques are the non-malignant pleural diseases that result from fibres reaching the pleura. But the main issues that led to the ban on asbestos in industry are those of malignancy: lung cancer, malignant mesothelioma (MM) of the pleura and MM of the peritoneum. Bronchogenic carcinoma risk from asbestos exposure is dose-dependent and multiplies the risk attributable to tobacco smoking. The principles of treatment are as for all cases of lung cancer. Low-dose computed tomography screening of exposed people can detect early-stage, non-small cell cancers, with improved survival. The amphibole varieties of asbestos are much more potent causes of MM than chrysotile, and the risk increases exponentially for 40-50 years following first exposure. As MM is non-resectable and poorly responsive to chemotherapy and radiotherapy, curative treatment is not possible and screening not justified.

2010s

• Tuberculosis and risk of cancer: a Danish nationwide cohort study. D.F. Simonsen, D.K. Farkas, M. Søgaard, et al. 2014;18(10):1211-9. PubMed · Publisher

  Abstract

  Objectives: To investigate the short- and long-term risk of cancer in patients with active tuberculosis (TB).

  Design: Using Danish nationwide databases, we quantified cancer risk in TB patients during 1978-2011 compared with the general population.

  Results: We observed 1747 cancers in 15 024 TB patients (median follow-up 8.5 years), reflecting a standardised incidence ratio (SIR) of 1.52 (95%CI 1.45-1.59). All-time SIR for extra-pulmonary cancer was 1.29 (95%CI 1.22-1.36) and for lung cancer it was 3.40 (95%CI 3.09-3.74). Absolute cancer risk 3 months after TB was 1.83% (SIR 11.09, 95%CI 9.82-12.48), with highly increased SIRs for malignant pleural mesothelioma (368.4), lung cancer (40.9), Hodgkin's lymphoma (30.6), ovarian cancer (26.4) and non-Hodgkin's malignant lymphoma (23.8). Between the 3-month and 5-year follow-up, the SIR for any cancer was 1.59 (95%CI 1.46-1.72), including 19- and 3-fold increases for malignant pleural mesothelioma and lung cancer. Beyond 5 years, the SIR of cancer was 1.17 (95%CI 1.10-1.25). Elevated long-term risks persisted for haematological (SIR 1.34, 95%CI 1.01-1.74) and tobacco-related cancers (SIR 1.78, 95%CI 1.60-1.97).

  Conclusion: TB is a marker of occult lung cancer and several extra-pulmonary cancers. TB also predicts increased long-term risk of cancer, possibly related to chronic inflammation and shared risk factors, including immunosuppression and smoking.

• Early detection of central airway lung cancer in smokers with silicosis. A.I. Lo, Y. Huang, S.Y. Lam, et al. 2011;15(4):523-7. PubMed · Publisher

  Abstract

  Background: Smokers with silicosis are at increased risk of lung cancer.

  Objective: To evaluate the feasibility of using autofluorescence bronchoscopy after sputum examination for early detection of large airway lung cancer and factors associated with the presence of cancerous and pre-cancerous lesions among smokers with silicosis.

  Methods: Subjects at the pneumoconiosis clinic were recruited if they fulfilled the following criteria: 1) age ≥40 years, 2) smoking history of ≥20 pack-years and 3) confirmed diagnosis of silicosis. Sputum specimens were collected for cytology/cytometry examination and autofluorescence bronchoscopy was performed in subjects with an abnormal sputum result.

  Results: A total of 48 subjects were recruited during the study period. The mean age and smoking history were respectively 63 ± 10 years and 51 ± 30 pack-years. Intraepithelial lung cancers and pre-neoplastic lesions (squamous metaplasia or above) were detected in respectively 2 (4.2%) and 14 (29.2%) subjects. The proportions of current smokers (75.0% vs. 40.6%, P = 0.03) and asbestos exposure (37.5% vs. 9.4%, P = 0.04) were significantly higher in subjects with the above lesions compared with those without.

  Conclusions: Sputum examination followed by autofluorescence bronchoscopy may be a useful way of identifying cancerous/pre-cancerous lesions among silicotic smokers. Current smoking and asbestos exposure were associated with these lesions.

• Pulmonary nodules detected by thoracic computed tomography scan after exposure to asbestos: diagnostic significance. B. Clin, A. Luc, F. Morlais, et al. 2011;15(12):1707-14. PubMed · Publisher · Free full text

  Abstract

  Objective: To analyse the relationship between pulmonary nodules detected by radiologists using computed tomography and cumulative exposure to asbestos or asbestos-related pleuro-pulmonary diseases in 5662 asbestos-exposed subjects, and the relationship between pulmonary nodules and thoracic cancer, to determine whether a specific surveillance strategy based on cumulative asbestos exposure should be adopted.

  Design: Standardised incidence and mortality ratios (SIR) for lung cancer and pleural mesothelioma were calculated in patients with and without mention of pulmonary nodules and compared using comparative morbidity figures.

  Results: A significant excess incidence of primary lung cancer and pleural mesothelioma was observed among subjects presenting with pulmonary nodule(s) (SIR respectively 1.95, 95%CI 1.22-2.95, and 11.88, 95%CI 3.20-30.41). However, there was no significant relationship between pulmonary nodules mentioned by radiologists and cumulative asbestos exposure or between pulmonary nodules and the presence of asbestos-related benign diseases.

  Conclusions: This study confirms the expected excess prevalence of lung cancer in subjects presenting with pulmonary nodules according to the radiologist's report, and shows the absence of relationship between the presence of nodules and level of cumulative asbestos exposure. Our study therefore offers no argument in favour of specific surveillance modalities based on estimated cumulative asbestos exposure.

2000s

• Asbestos-related diseases of the lungs and pleura: uses, trends and management over the last century. M.R. Becklake, E. Bagatin, J.A. Neder. 2007;11(4):356-69. Review PubMed

  Abstract

  Asbestos is a descriptive term for a group of naturally occurring minerals known to mankind since ancient times. The main types of asbestos (chrysotile, and the amphiboles crocidolite and amosite) differ in chemical structure, biopersistence in human tissue and toxicity. Commercial exploitation, with little thought for environmental controls, increased over the twentieth century, particularly after World War II, to accommodate globalisation and the demands of the world's burgeoning cities. As its ill-health effects, both non-malignant (fibrosis of the lungs or asbestosis; pleural effusion, plaques and thickening) and malignant (mesothelioma, lung and other cancers), became evident, public pressure rose to control its use. The last decades of the last century saw decreases in exposure and rates of asbestosis in industrialised and in some less-industrialised countries, where pleural plaques and malignant mesothelioma are currently the most frequent manifestations of asbestos exposure. Longer follow-up of asbestos-exposed cohorts in mining and manufacturing has also strengthened the evidence of a fibre gradient in toxicity, with chrysotile exhibiting lower toxicity than the amphiboles, and amosite lower toxicity than crocidolite. The last decades of the twentieth century saw stabilisation and/or declines in mesothelioma rates in several industrialised countries. In less-industrialised countries, data on disease are sparse, exposure generally high and rates may peak in the future. Management of asbestos-related disease in the workplace requires collaboration between workers and unions (responsible for monitoring workplace dust levels, to which they must have access) and companies (responsible for engineering controls), reinforced by appropriate government regulations and by community support.

• Computed tomography findings in urban transportation workers with low cumulative asbestos exposure. J. Ameille, N. Mattei, F. Laurent, et al. 2007;11(12):1352-7. PubMed

  Abstract

  Objective: To assess the frequency of computed tomography (CT) scan pleural and interstitial changes in a population of urban transportation workers with low cumulative exposure to asbestos, and to measure inter-reader agreement.

  Design: A total of 269 male volunteers (mean age 54.0 +/- 2.3 years, mean estimated cumulative exposure index 1.7 +/- 2.3 fibres/ml-years), underwent a CT scan which was read independently by three experienced readers, with further consensus reading in case of pleural or parenchymal abnormalities. Inter-reader agreement was assessed by means of Kappa statistic.

  Results: On consensus reading, four subjects had interstitial opacities, three had diffuse pleural thickening and 26 (9.7%) had pleural plaques that were unilateral in 65% of cases and < or =2 mm thick in 54% of cases. No correlation was observed between pleural plaques and latency, duration of exposure or cumulative exposure. The inter-reader agreement for the detection of pleural abnormalities was fair.

  Conclusion: In this relatively young population with low cumulative exposure to asbestos, the prevalence of pleural abnormalities was low. These abnormalities were very limited in thickness and extent, leading to marked inter-reader variability and making it difficult to assess their relationship to asbestos exposure.

• Lung cancer epidemiology and risk factors in Asia and Africa. W.K. Lam, N.W. White, M.M. Chan-Yeung. 2004;8(9):1045-57. Review PubMed

  Abstract

  In industrialised countries, lung cancer is the most common form of cancer among males and it is growing among females. For both sexes, rates reflect smoking behaviours. The pattern appears to be different in Asia, particularly in China, where lung cancer rates in men reflect high smoking rates but high rates among non-smoking women appear to be related to other factors. The incidence of lung cancer is low in most African countries, but it is increasing. In addition to tobacco smoking, a number of etiological factors have been identified for lung cancer: indoor exposure to environmental tobacco smoke, cooking oil vapour, coal burning, or radon, outdoor air pollution and occupational exposure to asbestos and other carcinogens. Recent studies have shown that dietary factors may be important, with high consumption of vegetables and fruits being protective while preserved food and fatty food are harmful, and certain infections such as Mycobacterium tuberculosis, human papilloma virus and Microsporum canis are associated with a high risk of lung cancer. Among non-smokers, the probable role of genetic predisposition in lung cancer by increasing the individual's susceptibility to environmental carcinogens is currently being studied actively. As the single most important cause for lung cancer is tobacco smoke and, with increased sales, a major epidemic is predicted for both Asia and Africa, all health care professionals, government health authorities and national and international health organisations must join in a concerted effort against tobacco.

1990s

• Environmentally-induced malignant pleural mesothelioma and HLA distribution in Turkey. Y. Karakoca, S. Emri, T. Bagci, et al. 1998;2(12):1017-22. PubMed

  Abstract

  Setting: A large university hospital in Ankara, Turkey.

  Objective: To investigate the potential links, if any, between the occurrence of malignant pleural mesothelioma (MPM) and the presence and distribution of human leukocyte antigens (HLA) in patients environmentally exposed to asbestos and erionite in rural Anatolia, Turkey.

  Design: A case-control study design was used to compare the relative frequency and distribution of HLA among 31 MPM patients originating from the fibrous zeolite (erionite) and asbestos villages in central Anatolia, and two sets of controls. The cases represented all of the MPM cases diagnosed between 1995 and 1997 in our clinic at the Hacettepe University Hospital. One control group of 119 healthy individuals was drawn from Tuzköy, which has the largest population of three erionite villages, a very high prevalence of mesothelioma due to environmental exposure to erionite, and accounted for 16 of the MPM cases in the study. A second control group composed of 118 renal transplant donors was formed for external comparison.

  Results: A significant relation was found with the HLA-B41 antigen in 19.4% of the patients compared to 0.8% of the Tuzköy inhabitants (odds ratio [OR] 28.3; 95% confidence interval [CI] 3.1-652.5) and 1.7% of the referent renal donor population (OR 13.9; 95% CI 2.3-106.7). The frequency of the HLA-B58 and -DR16 antigens was also observed to be significantly higher in patients with MPM compared to the two control groups. The odds ratios of MPM in those with HLA-B58 were 8.6 (95% CI 1.2-72.4) and 8.5 (95% CI 1.2-71.8), respectively, compared to those of the Tuzköy inhabitants and renal donors.

  Conclusion: The predictive role of the HLA antigens -B41, -B58 and -DR16 for MPM needs to be further investigated. This will help in screening the population at risk, and facilitate preventive measures such as family counselling and gene therapy.

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