Abstract
Inhalation of 100% oxygen in a hyperbaric chamber has been accepted as a useful treatment for patients with various pathologies who suffer from hypoxia. The oxidative effects of hyperbaric oxygen (HBO) on RBCs have been investigated in animals but there is not enough data on hemorheological parameters in patients following HBO treatment (HBOT).In this study, we investigated the effect of HBO on hemorheological and haematological parameters during treatment. Red blood cell (RBC) deformability and aggregation, blood and plasma viscosity and superoxide dismutase activity were investigated in patients who underwent HBOT. Hematological parameters were determined by an electronic hematology analyzer. A Laser-assisted Optical Rotational Cell Analyzer (LORCA) was used to measure RBC deformability. RBC aggregation was measured for cells in autologous plasma and for cells resuspended in PBS containing Dextran70 (3% ) by using a Myrenne Aggregometer. A Wells-Brookfield cone/plate rotational viscometer was used for viscosity measurements. According to our results, a significant decrement of the hematocrit and the RBC count was observed after the 20th session of HBOT compared to the baseline, but none of the hemorheological parameters changed significantly. Our results showed that HBOT did not cause any significant changes in hemorheological parameters, thereby not representing any problems for the patients.
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