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Occupational respiratory diseases have been reported following exposure to metal working fluids. We report a spectrum of respiratory illnesses occurring in an outbreak in 30 workers of an automobile parts engine manufacturing plant. Workers presented with respiratory complaints and, after clinical and laboratory evaluations, were classified as those having(More)
Pulmonary specimens obtained from ten normal subjects and 53 patients with various pulmonary diseases were studied with energy-dispersive x-ray analysis. The amount of silicon in the pulmonary tissue was determined and expressed as a silicon/sulfur (Si/S) ratio. This Si/S ratio was below 0.2 in the ten normal subjects and in 14 patients who had various(More)
Cases of infection with Mycobacterium avium-intracellulare reported in Milwaukee, Wisconsin, have become more common in recent years, and their incidence--50 cases per year--is now similar to that of tuberculosis. Cases usually occur in middle-aged men with underlying lung diseases, but variations in age, sex, presentation, and severity of disease are wide.(More)
Inhalation of highly hydrosoluble toxicants, like ammonia, can be associated with chronic lung diseases, which have been partially characterized. We present the case of three patients who were evaluated 2 years after massive exposure to ammonia in occupational settings. They presented with chronic dyspnea, and clinical pictures consistent with restrictive(More)
We studied the effects of radiation therapy on lung function in 21 patients who underwent modified radical mastectomy and radiotherapy for breast carcinoma. The patients had pulmonary function studies and chest X rays prior to radiation therapy and at six weeks, and three, six, and twelve months following radiation therapy. All pulmonary function studies(More)
Seventeen patients using angiotensin-converting enzyme (ACE) inhibitors for hypertension were evaluated with baseline spirometry followed by determination of bronchial reactivity by challenge with methacholine. There were nine coughers and eight noncoughers in the study. Among the nine coughers, eight demonstrated bronchial hyperreactivity. Conversely, none(More)
BACKGROUND Pigeon breeder's disease (PBD) is an avian-induced hypersensitivity pneumonitis. The limited data that exist on the long-term outcome for the disease are conflicting. OBJECTIVE We sought to determine the long-term outcome of patients with PBD to evaluate the course of the disease. METHODS Review a case series of 18 pigeon breeders that were(More)
Two men who had been exposed only to silicon carbide for many years in a factory manufacturing refractory bricks developed bilateral reticulonodular densities, as shown on chest radiograms, and complained of dyspnea. An open lung biopsy of one of them showed a large amount of black material in the fibrosed alveolar septums. Studies by X-ray diffraction(More)