[Impact of gender and influence of tobacco on the etiology of patients with hemoptysis].

Objective: To evaluate the importance of the sex and the influence of tobacco on the etiology of patients with hemoptysis.

Methods: We analyzed and compared the etiology of 394 consecutive patients with hemoptysis, divided in two groups: I (males) and II (females), and stratified in relation to tobacco.

Results: 305 males (77.

Occupational asthma in the community: risk factors in a western Mediterranean population.

Risk factors and prevalence of occupational asthma in the general population were examined in a cross-sectional community study conducted in north Barcelona. A self-administered questionnaire that contained questions about bronchial asthma and occupation was mailed to a random sample of 4000 adults who lived in north Barcelona; the response rate was 31.0%.

[Tuberculous pseudochylothorax. Presentation of a case with positive Mycobacterium tuberculosis culture and review of the literature].

Pseudo chylothorax is a rare form of pleural effusion. It appears in long-term effusions, generally those lasting more than 5 years. The most frequent causes are tuberculous pleuritis and pleurel effusion secondary to rheumatoid arthritis.