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The Anatomic Structure of Pulmonary Arteries as a Source of Unreliability in Thermodilution Cardiac Output Measurement

100%
Gawlikowski M., Pustelny T., Przywara-Chowaniec B., Struk P.
Acta Physica Polonica A
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2008
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vol. 114
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issue 6A
A-81-A-89
EN
One of the most fundamental examination in intensive care medicine is cardiac output measurement, realized by pulmonary artery catherization. The thermodilution cardiac output estimation method is not resistant to various kinds of disturbances, which significantly decreases its sensitivity and specificity. The paper depicts investigations related to analysis of presumable new source of unreliability - asymmetric blood flow through pulmonary vessels. The investigations consisted of two phases: clinical examination (to obtain anatomical data) and computer modeling (to simulate the flow symmetry).
2
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Clinical Studies of Rheocardiography Application to Hemodynamic Monitoring of Patients with Dilated Cardiomyopathy

100%
Przywara-Chowaniec B., Poloński L., Gawlikowski M., Pustelny T.
Acta Physica Polonica A
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2009
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vol. 116
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issue 3
380-382
EN
Impedance cardiography is a non-invasive, cheap and easy to use method of long term hemodynamic monitoring. Nowadays this method is perceived as an alternative for invasive monitoring of the patients. The goal of the presented papers was to compare the results of rheocardiography with reference invasive monitoring.
3
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Model Study of Cardiac Output Measurement by Thermodilution in Thermal Instability

100%
Gawlikowski M., Pustelny T., Przywara-Chowaniec B., Nowak-Gawlikowska J.
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issue 6
1124-1126
EN
Cardiac output is one of the most valuable hemodynamic parameter. It is measured commonly with intravascular pressures by pulmonary artery catheterization technique. The cardiac output itself is measured by dilution of thermal marker method (thermodilution), which is not resistant for various disturbances. In this paper the influence of blood temperature on metrological properties of thermal dilution method was described.
4
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Theoretical and model analysis of the unreliability of cardiac output measurement by means of the thermodilution method

100%
Gawlikowski M., Pustelny T., Przywara-Chowaniec B., Nowak-Gawlikowska J.
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2011
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issue 4
5
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Enhanced External Counterpulsation in Patients with Advanced Ischemic Cardiomyopathy

52%
Przywara-Chowaniec B., Gawlikowski M., Kuczaj A., Bachorz M., Czechowski P., Kowalski P., Geodecki M., Kawecki D., Barańska K., Paluch M., Pluszczyk M., Opara M., Puzio A., Nowalany-Kozielska E.
Acta Physica Polonica A
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2012
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vol. 122
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issue 5
866-869
EN
A significant increase in the number of patients with heart failure of varied etiology has been observed in the recent years. Apart from pharmacological and surgical therapies, new, non-invasive assistance methods of cardiovascular system are still sought. One of them is external counterpulsation. Within this study, effectiveness of such a form of therapy has been examined in a group of 10 patients with an ischemic left ventricular systolic dysfunction. It has been shown that external counterpulsation has a beneficial influence onto the result of a six-minute walk test and causes a slight decrease in the creatinine concentration in the patients undergoing the tests.
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