Single centre observational study to assess lower extremity arterial disease (LEAD) patients' cardiac dysfunction with strain analyses and to assess connections between cardiac dysfunction, metabolomic changes and target organ damage in LEAD.
Study Type
OBSERVATIONAL
Enrollment
162
Tartu University Hospital
Tartu, Estonia
RECRUITINGleft ventricular global longitudinal strain (GLS)
assessed by deformation analysis with echocardiography
Time frame: after enrollment and one year later
other echocardiographic parameters
left ventricular ejection fraction, left atrial strain, lateral, medial and averaged E/E', left atrial volume, maximal tricuspid regurgitation velocity, right ventricular strain
Time frame: after enrollment and one year later
heart failure diagnosis
according to European Society of Cardiology year 2021 heart failure guideline (i.e assessment of symptoms, ECG, natriuretic peptides)
Time frame: after enrollment and if necessary, reassessment one year later
arterial stiffness
peripheral/central blood pressure, augmentation index, pulse wave velocity in aorta
Time frame: after enrollment and one year later
cardiac- and renal injury markers
high-sensitivoty troponin T, natriuretic peptides (NT-proBNP), cystatine C, creatinine, urea, calculated eGFR
Time frame: after enrollment and one year later
metabolomics
low molecular weight metabolites
Time frame: after enrollment and one year later
markers of oxidative stress
oxidated LDL, interleukine-18, myeloperoxidase, isoprostanes
Time frame: after enrollment and one year later
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