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Biomedical subjects

Z Rusavý

Publications and source records attributed to Z Rusavý.

27 records · Page 2Linked to original sources

[Comparison of the effect of continuous and intermittent physical loading in type I diabetics].

In order to evaluate the optimal mode of physical loads the authors examined 19 diabetics type I without secondary complications. On the second day of an educational-rehabilitation camp the authors subjected the patients to a continuous load-a 40-minute endurance run at a heart rate equal to 60% of the maximal oxygen requirement. On the fifth day an intermittent load with a maximal intensity--training of 4 x 10 minutes with 5-minute intervals was administered. At the onset, during the 20th and 40th minute of the load the titrable acidity, lactate and blood sugar level were assessed. The intermittent load led already after 20 minutes to marked acidosis (titrable acidity = 12) which did not increase after 40 minutes of the load. The authors recorded a statistically significant rise of the lactate level (4.57 mmol/l) which after 40 minutes of the load rose further to 12.3 mmol/l, as compared with values of titrable acidity during the 20th and 40th minute (0.44 and 1.14) and lactate during the 20th and 40th minute (4.57 and 3.86 mmol/l) during a continuous load. After evaluation by the test of linear correlation it appears with regard to the stability of the blood sugar level during a load that an intermittent load is more favourable. The drop of the blood sugar level in time during a continuous load was at the 1 level of significance, in intermittent loads at the 5% of significance. Both types of loads did not lead to hypoglycaemia or other complications and thus both can be used in diabetics type I.

Adult↗

[Does reconditioning improve compensation in diabetics?].

The authors evaluate the short-term and long-term effect of a ten-day educational camp on metabolic compensation, the physical and mental state and knowledge of the disease in 30 diabetics type I, mean age 29 years (range 17-45 years) with a duration of diabetes of 6.3 years (plus minus 5.6). After processing of individual parameters at the onset, after termination of reconditioning and after two subsequent months the authors revealed after evaluation by the paired t-test a statistically insignificant drop of the mean blood sugar level after reconditioning. After two months the mean blood sugar level rose again insignificantly and an insignificant decline of glycosylated haemoglobin occurred. After reconditioning a statistically significant decline of insulin consumption occurred (p < 0.01) but after two months the consumption returned to the original level. A significant increase was recorded in the knowledge of the disease (p < 0.05) and an increase in physical fitness (p < 0.01). The authors consider thus that the positive effect of reconditioning is mainly in training of a proper lifestyle, learning of self-monitoring and psychic improvement.

Adolescent↗

[Successful control of hypoglycemia through education].

The objective of the work was to assess whether education focused on hypoglycaemic complications can influence in a favorable way the number of these acute episodes in diabetics type I treated by an intensified insulin regime. Using a questionnaire method, the authors examined 40 diabetics type I without chronic complications, treated by an intensified insulin regime. The authors investigated the most frequent cause, clinical severity and number of hypoglycaemic episodes three months before and three months after a 10-day educational camp. During the three months before reconditioning in the group as a whole total of 600 hypoglycaemic episodes were recorded, while during the same period after reconditioning only 240. The most frequent causes before and after reconditioning were a physical load and a delayed meal. Education reduces markedly the severity and total number of hypoglycaemic episodes in diabetics type I.

Acute Disease↗

[Does therapeutic membrane plasmapheresis increase protein synthesis?].

The objective of the investigation was to assess whether therapeutic membrane plasmapheresis accelerates protein synthesis. To this end pseudouridine (PSI), a modified nucleoside was investigated which provides information on the tRNA turnover and thus indirectly also on protein synthesis. The authors made 10 plasmapheresis on a A 2008 PF monitor with Plasmaflux P2 filters which they use to exchange 1 plasma volume of the patients. Laboratory indicators were investigated one day before plasmapheresis, on the day of plasmapheresis and during its course, and on the 1st, 2nd and possibly 3rd day after plasmapheresis. They revealed that the clearance of the plasma filter for PSI (0.41 +/- 0.04 ml/s, arithmetical mean +/- SEM) did not differ significantly from the filtration rate (0.49 +/- 0.01 ml/s, p = 0.15). As compared with the initial examination (0.49 +/- 0.06 ml/s) on the first day after plasmapheresis as a result of reduced glomerular filtration rate the renal clearance of PSI was reduced (0.33 +/- 0.05, p less than 0.01). PSI serum concentrations were therefore expressed as the serum PSI/serum creatinine ratio. This ratio was, as compared with the initial examination (80.4 +/- 4.8 nmol/mumol), raised midway during the procedure (100.8 +/- 8.6, p much less than 0.05) and after its termination (132.3 +/- 6.1, p much less than 0.01). The increase was not due to disintegration of cells or dietary factors. The rise of the serum PSI/serum creatinine ratio was due to a more rapid tRNA turnover and thus provided evidence that therapeutic membrane plasmapheresis accelerates protein synthesis.

Humans↗