Autori príspevku analyzujú príčiny numerických rozdielov výsledkov analýz pri dokazovaní alkoholu v krvi a vo vydychovanom vzduchu. Potvrdzujú presnosť analýz metódou plynovej chromatografie ako aj analyzátormi vydychovaného vzduchu. Navrhujú spôsob eliminácie ľudského faktora, najčastejšie zodpovedného za nepresnosti, na prípustnú mieru (bezpečnostný faktor) a potrebu analýzy dvomi od seba nezávislými metódami respektíve potrebu analýzy dvoch biologických materiálov.

The authors of the paper give a brief historical overview of the development of experimental alcohology in the former Czechoslovakia. Enhanced attention is paid to tests of work quality control of toxicological laboratories. Information on results of control tests of blood samples using the method of gas chromatography in Slovakia and within a world-wide study “Eurotox 1990“ is presented. There are pointed out the pitfalls related to objective evaluation of the analysis results interpreting alcohol concentration in biological materials and the associated need to eliminate a negative influence of the human factor. The authors recommend performing analyses of alcohol in biological materials only at accredited workplaces and in the case of samples storage to secure a mandatory inhibition of phosphorylation process. There are analysed the reasons of numerical differences of analyses while taking evidence of alcohol in blood and in exhaled air. The authors confirm analysis accuracy using the method of gas chromatography along with breath analysers of exhaled air. They highlight the need for making the analysis results more objective also through confrontation with the results of clinical examination and with examined circumstances. The authors suggest a method of elimination of the human factor, the most frequently responsible for inaccuracy, to a tolerable level (safety factor) and the need of sample analysis by two methods independent of each other or the need of analysis of two biological materials.

Súdnolekárske pracovisko Úrad pre dohľad nad zdravotnou starostlivosťou Bratislava Slovensko

Ústav súdneho lekárstva Lekárska fakulta Slovenská zdravotnícka univerzita Bratislava

Ústav súdneho lekárstva Lekárska fakulta Univerzita Komenského Bratislava

Confrontation of knowledge on alcohol concentration in blood and in exhaled air

Kováč, Peter. Komentár ku článku “Konfrontácia poznatkov o koncentrácii alkoholu v krvi a vo vydychovanom vzduchu” autorov Bauer et al. 2015.