We conclude that BMI at the baseline seems to predict the increase in MV, occlusion pressure, and inspiratory drive. The fact that RRS values increase during pregnancy and both forced expiratory volume (FEV1) and FEV1% forced vital capacity (FVC) values remain at the same level may reflect the effect of the autonomous nervous system on the respiratory tract.

There were two aims of the present study: (1) to evaluate changes of superoxide dismutase (SOD) activity and total antioxidative status measured as the ferric reducing ability of plasma (FRAP) concentration in saliva of pregnant women during the first, second, and third trimesters of singleton uncomplicated pregnancy and (2) to assess possible relations among SOD, FRAP, and intake of macronutrients and micronutrients in daily nutritional rations (DNRs) during pregnancy. Forty pregnant women aged 27.1+/-5.4 yr (examined group) and 40 healthy women (the control group) were recruited for this study. The relationship between FRAP and SOD in saliva and the intake of macronutrients (proteins, carbohydrates, total fat, saturated fatty acid, monounsaturated fatty acids, polyunsaturated fatty acids), minerals (Na, K, Ca, P, Mg, Fe, Zn, Cu, Mn), and vitamins (A, C, E, B1, B2, B6, PP) in DNR was evaluated by clustering analysis with Ward's grouping method. During pregnancy, FRAP and SOD values were lower than in the controls, but only for FRAP were the differences statistically significant (p < 0.001). For the whole pregnancy period, cluster analysis identified two major clusters for which the differentiating variables were SOD and retinoids intake, but different patterns for each trimester of pregnancy were revealed. The following were concluded: (1) FRAP values were the lowest in the second trimester. It suggests that in this trimester of uncomplicated pregnancy, women might be not fully adapted to increased demands for antioxidative mechanisms. (2) Cluster analysis showed that there were no statistical relationships between the intake of micronutrients and macronutrients in DNRs and the SOD or FRAP level in the saliva of pregnant women.

Adenotomy with or without tonsillotomy is one of the most frequently performed surgical operations on children. Throughout many years the indications for this procedure were infringed. Nowadays the operation is being performed mainly because of the rhinological and/or otological indications for the pathologic hypertrophy of adenoid and/or palatine tonsils. There is also another indication although it is less frequently used. This indication is an occlusion disorder which needs to be treated orthodontically.

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