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煤工尘肺是因长期吸入生产性粉尘并在肺内潴留而引起的以肺组织弥漫性纤维化为主的全身性疾病,因肺组织纤维化最终导致肺小动脉狭窄、闭锁、坏死,形成肺动脉高压,使右室
Coal worker’s pneumoconiosis is a systemic disease mainly caused by diffuse fibrosis of lung tissue caused by long-term inhalation of productive dust and retention in the lung. Pulmonary arterial fibrosis eventually leads to stenosis, occlusion and necrosis of pulmonary arterioles and pulmonary artery formation High pressure, so that the right ventricle