Helicobacter pylori seroprevalence in patients with chronic obstructive pulmonary disease.

An increased seroprevalence of Helicobacter pylori (H. pylori) and especially of the high virulent cytotoxin-associated gene-A (CagA) positive strains has been found in several extragastroduodenal pathologies, characterized by activation of inflammatory mediators. Moreover, it has been reported that the risk of chronic bronchitis may be increased in H.

Helicobacter pylori seroprevalence in patients with lung cancer.

Aim: To assess Helicobacter pylori (H pylori) seroprevalence in a cohort of Greek patients with lung cancer.

Methods: Seventy-two lung cancer patients (55 males and 17 females, aged 58.2+/-11.