OBJECTIVES To define physiological upper limits of left ventricular (LV) cavity size in trained adolescent athletes. DESIGN Cross sectional echocardiographic study. SETTING British national sports training grounds and Olympic Medical Institute. SUBJECTS 900 elite adolescent athletes (77% boys) aged 15.7 (1.2) years participating in ball, racket, and endurance sports and 250 healthy contro...

Objectives: To define physiological upper limits of left ventricular (LV) cavity size in trained adolescent athletes. Design: Cross sectional echocardiographic study. Setting: British national sports training grounds and Olympic Medical Institute. Subjects: 900 elite adolescent athletes (77% boys) aged 15.7 (1.2) years participating in ball, racket, and endurance sports and 250 healthy controls...

We examined the phenotypes of lymphocytes in the pleural cavity of 23 lung cancer patients without malignant effusion. The ability of those lymphocytes to develop lymphokine-activated killer (LAK) activity and the regulation of LAK by pleural cavity macrophages were also compared with their counterparts in the peripheral blood. Mononuclear cells (MNC) were obtained simultaneously from the blood...