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Online Voting System
Škorpil, Jiří ; Hájek, Josef (referee) ; Korček, Pavol (advisor)
This master's thesis describes design, implementation and testing of online voting system. Based on the research of existing solutions, as well as the identification of their shortcomings for the target user group, the requirements for the new system are specified. This information system is primarily intended to be used for assembly of unit owners, members meeting of building housing cooperative, or meeting of the municipal council, general meeting of shareholders and similar.
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Haemolysis and other biochemical evaluations of vacuum-assisted venous drainage in cardiac surgery
Škorpil, Jiří ; Tošovský, Jan (advisor) ; Lonský, Vladimír (referee) ; Semrád, Michal (referee)
Haemolysis and other biochemical evaluations of vacuum-assisted venous drainage in cardiac surgery Aims of the study: Vacuum-assisted venous drainage (VAVD) improves the quality of venous return in procedures using extracorporeal circulation systems (ECC). Nevertheless, there is not an evidence that such high negative pressure applied to ECC in combination with selective bicaval cannulation due to open heart surgery cause a trauma to blood elements and deteriorates organ function. A prospective randomised study was designed to demonstrate that negative pressure of -20 mm Hg to -80 mm Hg does not cause a significant haemolysis and organ deterioration in such procedures. Materials and methods: 85 consecutive patients undergoing combined cardiac surgery procedure with two separate venous cannulas were randomised in three groups A, B and C. VAVD with negative pressure of -20 to -45 mm Hg was applied to 28 patients in group A and negative pressure of -45 mm Hg to -80 mmHg was applied to 28 patients in group B. There was zero negative pressure applied to 29 patients in group C. Six blood samples were taken from each patient and examinated for haemolysis and other indicators of organ deterioration such as hemoblobin, platelet count, free hemoglobin, aptoglobin, lactate-dehydrogenase, aspartate-amino-transferase,...
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Online Voting System
Škorpil, Jiří ; Hájek, Josef (referee) ; Korček, Pavol (advisor)
This master's thesis describes design, implementation and testing of online voting system. Based on the research of existing solutions, as well as the identification of their shortcomings for the target user group, the requirements for the new system are specified. This information system is primarily intended to be used for assembly of unit owners, members meeting of building housing cooperative, or meeting of the municipal council, general meeting of shareholders and similar.
|
|
|
Haemolysis and other biochemical evaluations of vacuum-assisted venous drainage in cardiac surgery
Škorpil, Jiří ; Tošovský, Jan (advisor) ; Lonský, Vladimír (referee) ; Semrád, Michal (referee)
Haemolysis and other biochemical evaluations of vacuum-assisted venous drainage in cardiac surgery Aims of the study: Vacuum-assisted venous drainage (VAVD) improves the quality of venous return in procedures using extracorporeal circulation systems (ECC). Nevertheless, there is not an evidence that such high negative pressure applied to ECC in combination with selective bicaval cannulation due to open heart surgery cause a trauma to blood elements and deteriorates organ function. A prospective randomised study was designed to demonstrate that negative pressure of -20 mm Hg to -80 mm Hg does not cause a significant haemolysis and organ deterioration in such procedures. Materials and methods: 85 consecutive patients undergoing combined cardiac surgery procedure with two separate venous cannulas were randomised in three groups A, B and C. VAVD with negative pressure of -20 to -45 mm Hg was applied to 28 patients in group A and negative pressure of -45 mm Hg to -80 mmHg was applied to 28 patients in group B. There was zero negative pressure applied to 29 patients in group C. Six blood samples were taken from each patient and examinated for haemolysis and other indicators of organ deterioration such as hemoblobin, platelet count, free hemoglobin, aptoglobin, lactate-dehydrogenase, aspartate-amino-transferase,...
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