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Nanoparticles, nanotechnology and pulmonary nanotoxicology

Sarcoidose: Uma forma rara de apresentação

The clinical presentation of sarcoidosis is diverse and in over 90% of patients there is pulmonary involvement. The most common features of the radiographic findings at the time of diagnosis are bilateral hilar lymphadenopathy and pulmonary infiltration. The authors report the case of a young female patient who presented with multiple bilateral nodular shadows on chest radiograph. Surgical biopsy revealed non-n...

Proteinuria in cystic fibrosis: a possible correlation between genotype and ren...

OBJECTIVE: To assess proteinuria in patients with cystic fibrosis (CF), and to correlate proteinuria with genotype, CF-related diabetes and disease severity. METHODS: A prospective study was carried out over a six-month period and involving 22 CF patients. After the collection and analysis of 24-h urine samples, the patients were divided into two subgroups: protein excretion < 150 mg/day (low-proteinuria); and...

Body mass index and airway hyper-responsiveness in individuals without respirat...

BACKGROUND: Overweight and obesity are major health issues in Western societies. They are related with a higher risk of different co-morbidities but their relationship with airway hyperresponsiveness (AHR) is still under discussion. Nevertheless, they are related to higher severity in asthma and other respiratory diseases. The aim of the study was to analyze the AHR in individuals with normal lung function with...

Sensitization to profilin in the Central region of Portugal.

BACKGROUND: Profilin is a panallergen found in pollens and fruits. Sensitization to this protein may explain some sensitization to multiple pollen species. We aimed to evaluate sensitization to profilin in patients suffering from respiratory allergy sensitized to pollens, in the Central region of Portugal. METHODS: Patients were evaluated for asthma symptoms, rhinitis, conjunctivitis and food allergy. Skin pric...

Avaliação da densidade mineral óssea em doentes com fibrose quística

Patients with cystic fibrosis (CF) have an increasing life span and osteoporosis has become a more recognised problem in these patients. The pathogenesis of low bone mineral density (BMD) in CF seems to be multifactorial and the aim of this study was to assess the prevalence of low BMD in a group of CF outpatients and to relate the findings with the variables studied. The study included 22 patients aged between...

Quilotórax no contexto de cirrose hepática etílica

Bronchoalveolar lavage in occupational lung diseases

Occupational lung diseases (OLDs) are related to the exposure and inhalation of organic, inorganic, and synthetic particles, fumes, gases, or infectious agents. From the long list of OLDs this article focuses the discussion on bronchoalveolar lavage (BAL) in parenchymal immunoinflammatory conditions, such as hypersensitivity pneumonitis (HP) and pneumoconiosis. Several antigens may cause HP, including products ...