The aim of the study is to investigate pulmonary hemodynamics at rest and during exercise in patients before and after kidney transplantation.
Study Type
OBSERVATIONAL
Enrollment
60
All patients will undergo exercise echocardiography during a symptom-limited cardiopulmonary exercise test.
Medical University of Graz, Department of Internal Medicine, Division of Pulmonology
Graz, Austria
Change in the systolic pulmonary arterial pressure/cardiac output (SPAP/CO) slope
Change in the systolic pulmonary arterial pressure/cardiac output (SPAP/CO) slope (calculated as the difference of maximal and resting SPAP divided by the difference of maximal and resting CO) before versus one year after kidney transplantation assessed by exercise echocardiography
Time frame: Baseline and 1 year after kidney transplantation
Change in systolic pulmonary arterial pressure at rest before versus one year after kidney transplantation assessed by (exercise) echocardiography
Time frame: Baseline and 1 year after kidney transplantation
Change in systolic pulmonary arterial pressure at 25 Watts before versus one year after kidney transplantation assessed by (exercise) echocardiography
Time frame: Baseline and 1 year after kidney transplantation
Change in mean pulmonary arterial pressure at rest before versus one year after kidney transplantation
Time frame: Baseline and 1 year after kidney transplantation
Change in mean pulmonary arterial pressure during exercise before versus one year after kidney transplantation
Time frame: Baseline and 1 year after kidney transplantation
Change in pulmonary vascular resistance at rest before versus one year after kidney transplantation
Time frame: Baseline and 1 year after kidney transplantation
Change in pulmonary vascular resistance during exercise before versus one year after kidney transplantation
Time frame: Baseline and 1 year after kidney transplantation
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Change in pulmonary arterial wedge pressure at rest before versus one year after kidney transplantation
Time frame: Baseline and 1 year after kidney transplantation
Change in pulmonary arterial wedge pressure during exercise before versus one year after kidney transplantation
Time frame: Baseline and 1 year after kidney transplantation
Change in cardiac output at rest before versus one year after kidney transplantation
Time frame: Baseline and 1 year after kidney transplantation
Change in cardiac output during exercise before versus one year after kidney transplantation
Time frame: Baseline and 1 year after kidney transplantation