The aim of this study is to analyze metabolomic pattern of patients after cardiac stress in order to detect differences based on the type of stress (physical or pharmacological with adenosine agonists) and result of test (positive or negative for ischemia) and to indentify biochemical markers with prognostic value. Clinical data of enrolled patients regarding demographics, cardiovascular risk factors, pretest probability and previous cardiovascular disease will be recorded. Follow up will be at one, three and five years and will be performed by clinical recordings or phone call when necessary. Blood samples of patients undergoing myocardial perfusion SPECT (Single Photon Emission Computed Tomography) are taken before, immediately after stress and 2h after stress. Serum samples will be analyzed by nuclear magnetic resonance in order to know metabolomic profile.
The aim of this study is to analyze metabolomic pattern of patients after cardiac stress in order to detect differences based on the type of stress (physical or pharmacological with adenosine agonists) and result of test (positive or negative for ischemia) and to indentify biochemical markers with prognostic value. Clinical data of enrolled patients regarding demographics, cardiovascular risk factors, pretest probability and previous cardiovascular disease will be recorded. Follow up will be at one, three and five years and will be performed by clinical recordings or phone call when necessary. Blood samples of patients undergoing myocardial perfusion SPECT are taken before, immediately after stress and 2h after stress. Serum samples will be analyzed by nuclear magnetic resonance in order to know metabolomic profile.
Study Type
OBSERVATIONAL
Enrollment
500
Hospital Universitari Vall d'Hebron
Barcelona, Spain
Result of myocardial perfusion SPECT: positive or negative for angina, ischemia or perfusion defect.
Time frame: 2 days
Metabolomic profile on NMR (Nuclear Magnetic Resonance ) analysis of serum sample
Once all samples analyzed, in order to identify of specific patterns associated to any group (type of test or result of test).
Time frame: 6 month
Combined end point: Cardiovascular death, Myocardial infarction, Coronary revascularization.
Time frame: 1 year
Combined end point: Cardiovascular death, Myocardial infarction, Coronary revascularization.
Time frame: 3 years
Combined end point: Cardiovascular death, Myocardial infarction, Coronary revascularization.
Time frame: 5 years
Angina treatment initiation
Time frame: 1 year
Angina treatment initiation
Time frame: 3 years
Angina treatment initiation
Time frame: 5 years
Metabolomic profile on NMR analysis of serum sample
Time frame: 1 year
Metabolomic profile on NMR analysis of serum sample
Time frame: 3 years
Metabolomic profile on NMR analysis of serum sample
Time frame: 5 years
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