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Biomedical subjects

E Hüttl

Publications and source records attributed to E Hüttl.

3 recordsLinked to original sources

[Smoking behavior of Styrian physicians--results of a 1995 questionnaire survey].

Tobacco use among all physicians registered in the state of Styria was investigated at the beginning of the year 1995 using an anonymous questionnaire. In addition to the smoking prevalence among different specialties in medicine the main interest was focused on motives for smoking as well as for stopping it. Nearly all physicians were aware of the associated health risks. The overall prevalence of smoking was 14% which lay markedly below the Austrian average of 36%. 52% started smoking before the age of 18. In addition 70% of smoking doctors wanted to reduce or stop smoking within the next 6 months. The early start of smoking during adolescence emphasizes the importance of educational and special teaching programs because even in the medical profession there is a big difference between the intention to stop smoking and the actual success in doing so.

Adolescent↗

Increased immune activation during and after physical exercise.

The present study has been performed to examine the pattern of immune response during and following a long-duration of physical exercise. We have measured plasma concentrations of serum soluble immune activation markers namely soluble interleukin-2 receptor (sIL-2R), soluble CD8 (sCD8), soluble intercellular adhesion molecule 1 (sICAM-1), soluble CD23 (sCD23), soluble tumor necrosis factor receptor (sTNF-R) and neopterin in 18 individuals before, during (ascent: 3 h, descent: 2 h) and after an alpine tour. Compared to baseline levels, all the parameters were significantly increased on top of the mountain and/or after descent. Within 36 hours after the tour sIL-2R, sCD8 and sICAM-1 decreased. In contrast, sTNF-R and neopterin levels remained higher than baseline throughout the study, only partially decreasing 24 and 36 hours from start. These data show immune system activation induced by physical exercise. The increase of parameters sTNF-R and neopterin, reflecting activation of macrophages, was sustained. The data suggest that immune activation phenomena may be involved in the pathogenesis of impaired immune function after exercise and the exercise-induced asthma.

Adult↗