Akademik Veri Yönetim Sistemi
Turk Otorinolarengoloji Bulteni, cilt.2, sa.3, ss.289-296, 1977 (Scopus)
Although N2O is a weak anesthetic agent, it is widely used in many countries due to its many suitable characteristics. Nevertheless, undoubtedly it has some contrary effects. Being a weak anaesthetic agent when its concentration is increased in order to augment its anaesthetic effect the probability of creating anoxia is one of these disadvantages. Another contrary effect of N2O generates from its diffusion speed. 30 times quicker than the diffusion speed of nitrogen, it reaches the closed spaces of anaesthesia and increases the pressure in these places. This situation creates inconvenience especially in middle ear, ileus, pneumothorax and pneumoencephalography operations. At the end of the operations, filling the alveolars, it creates diffusion hypoxia. This study aims at investigating the differences in the diffusion hypoxia created by N2O in low and high gas current O2/N2O anaesthesias. The diffusion hypoxia in N2O anesthesia was observed in all cases, independent of the amount of flow.