Annals of the American Thoracic Society
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The identification of patients with latent tuberculosis infection, who are at higher risk to develop active disease, is an important component of disease control. ⋯ QuantiFERON results were more accurate than tuberculin skin test results in predicting tuberculosis. Although all contacts with QuantiFERON-positive results are at risk of developing tuberculosis, those with a tuberculin skin test induration greater than or equal to 15 mm and QuantiFERON greater than or equal to 10 IU/ml are at highest risk. This has important implications in the clinical management of tuberculosis contacts.
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Historical Article
Historical perspectives of bronchoscopy. Connecting the dots.
The era of bronchoscopy began with Gustav Killian in 1876 when he removed a pork bone from a farmer's airway, using an esophagoscope. Prompted by this accomplishment, Chevalier Jackson, an American otolaryngologist, laid the platform for the modern-day rigid bronchoscope in the early twentieth century. In 1967 Shigeto Ikeda revolutionized the field of bronchoscopy by his innovation of the fiberoptic bronchoscope. ⋯ Today, researchers are looking into treating emphysema as well as asthma, using bronchoscopic techniques. We believe 2015 is a good time to look back on the history of bronchoscopy and to recognize its major milestones. This article attempts to connect the historical dots in this field of research, with the hope that our effort helps future generations improve the welfare of patients with lung ailments.