Cristina Martínez González1, Amador Prieto González2, Lucía García Alfonso3, Luis Fernández Fernández4, Ariel Moreda Bernardo5, Ramon Fernández Álvarez5, Valeria Rolle-Sóñora6, Alberto Ruano Raviña7, Pere Casan Clarà5. 1. Área del Pulmón, Hospital Universitario Central de Asturias (HUCA), Facultad de Medicina, Universidad de Oviedo, Oviedo, Asturias, España. Electronic address: cmartinez@hca.es. 2. Servicio de Radiodiagnóstico, Hospital Universitario Central de Asturias (HUCA), Oviedo, Asturias, España. 3. Servicio de Neumología, Complexo Hospitalario Universitario A Coruña (CHUAC), A Coruña, España. 4. Servicio de Anatomía Patológica, Hospital Universitario Central de Asturias (HUCA), Oviedo, Asturias, España. 5. Área del Pulmón, Hospital Universitario Central de Asturias (HUCA), Facultad de Medicina, Universidad de Oviedo, Oviedo, Asturias, España. 6. Plataforma de Bioestadística y Epidemiología, Fundación para la Investigación y la Innovación Biosanitaria del Principado de Asturias (FINBA), Oviedo, Asturias, España. 7. Medicina Preventiva y Salud Pública, Universidad de Santiago de Compostela, Santiago de Compostela, La Coruña, España.
Abstract
INTRODUCTION: Silicosis is a chronic progressive disease caused by inhalation of crystalline silica. Most cases develop in underground mine workers and in subjects involved in the extraction of natural stone (slate and granite). In view of the progressive emergence of new cases of silicosis in artificial quartz conglomerate workers, we performed a study to analyze the characteristics of silicosis produced by this new agent in Spain. METHODS: The study consisted of a series of 96 cases of silicosis diagnosed according to international criteria during the period 2010-2017. We analyzed clinical, radiological, pathological and functional characteristics. RESULTS: Mean age of participants was 45 years; 55% had simple silicosis and 45% had complicated silicosis. Ten patients were diagnosed with accelerated silicosis, with a mean age of 33 years. Mean time of exposure to conglomerates was 15 years, and 77% had not used appropriate protection measures. Half of the patients were asymptomatic and presented different classic forms on chest X-ray and chest high-resolution computed tomography, along with ground-glass images. No lung function changes were recorded. CONCLUSIONS: Silicosis in artificial quartz conglomerate workers occurs in a young, actively employed population, a considerable percentage of whom present an accelerated form. They have few symptoms and no functional limitations. Protection measures are scarce. It is important to characterize these features to provide early diagnosis and implement the necessary preventive measures.
INTRODUCTION:Silicosis is a chronic progressive disease caused by inhalation of crystalline silica. Most cases develop in underground mine workers and in subjects involved in the extraction of natural stone (slate and granite). In view of the progressive emergence of new cases of silicosis in artificial quartz conglomerate workers, we performed a study to analyze the characteristics of silicosis produced by this new agent in Spain. METHODS: The study consisted of a series of 96 cases of silicosis diagnosed according to international criteria during the period 2010-2017. We analyzed clinical, radiological, pathological and functional characteristics. RESULTS: Mean age of participants was 45 years; 55% had simple silicosis and 45% had complicated silicosis. Ten patients were diagnosed with accelerated silicosis, with a mean age of 33 years. Mean time of exposure to conglomerates was 15 years, and 77% had not used appropriate protection measures. Half of the patients were asymptomatic and presented different classic forms on chest X-ray and chest high-resolution computed tomography, along with ground-glass images. No lung function changes were recorded. CONCLUSIONS:Silicosis in artificial quartz conglomerate workers occurs in a young, actively employed population, a considerable percentage of whom present an accelerated form. They have few symptoms and no functional limitations. Protection measures are scarce. It is important to characterize these features to provide early diagnosis and implement the necessary preventive measures.
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