Exercise Echocardiography on LV Mechanics in Patients With CAD: a Speckle-tracking Echocardiography
Using Exercise Echocardiography to Investigate the Effects of Different Exercise Trainings on Left Ventricular Mechanics in Patients With Coronary Artery Disease: a Speckle-tracking Echocardiography
Panoramica dello studio
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Condizioni
Condizioni
Intervento / Trattamento
Intervento / Trattamento
Descrizione dettagliata
Tipo di studio
Tipo di studio
Iscrizione (Anticipato)
Iscrizione
Contatti e Sedi
Contatto studio
Contatto studio
- Nome: Li-Wei Chou, PhD
- Numero di telefono: 2381 +886-4-22052121
- Email: chouliwe@mail.cmuh.org.tw
Luoghi di studio
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Taichung
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Wufeng, Taichung, Taiwan, 413
- Reclutamento
- Asia University Hospital
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Investigatore principale:
- Yu-Chieh Huang, PhD
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Criteri di partecipazione
Criteri di ammissibilità
Criteri di ammissibilità
Età idonea allo studio
Accetta volontari sani
Sessi ammissibili allo studio
Metodo di campionamento
Popolazione di studio
Descrizione
Inclusion Criteria:
- acute myocardial infarction diagnosed by a physician
- undergoing percutaneous coronary intervention
- Exercise testing and stress echocardiography are performed with the approval of the physician.
Exclusion Criteria:
- Severe cardiac valve disease
- Left bundle branch block
- Uncontrolled diabetes or hypertension
- Orthopedics or other conditions that hinder from exercise
- Uncontrolled sinus tachycardia (greater than 120 beats per minute)
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
Numero di gruppi/coorti
Coorti e interventi
Gruppo / CoorteGruppo / Coorte |
Intervento / TrattamentoIntervento / Trattamento |
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STEMI
ST-segment elevation myocardial infarction (STEMI) is defined by symptoms of myocardial ischemia accompanied by a persistent elevation of the ST segment on the electrocardiogram (ECG) and the subsequent release of biomarkers of myocardial necrosis.
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Stress echocardiography test.
The standardized exercise test was conducted by 50-W semi-recumbent cycling for 3 min.
Stress echocardiograph images were acquired at the third minute of cycling to ensure that subjects had reached a steady-state HR.
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NSTEMI
If there is elevation of the blood markers suggesting heart damage, but no ST elevation seen on the EKG tracing, this is known as a non ST-elevation myocardial infarction (NSTEMI).
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Stress echocardiography test.
The standardized exercise test was conducted by 50-W semi-recumbent cycling for 3 min.
Stress echocardiograph images were acquired at the third minute of cycling to ensure that subjects had reached a steady-state HR.
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Cosa sta misurando lo studio?
Misure di risultato primarie
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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The alterations of LV mechanics responses to a 3-min low dose exercise stress echocardiography following time.
Lasso di tempo: detected at the in-hospital and the day 7, 14, 30, 60, and 180 after discharge.
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The STE was performed at rest, during exercise and recovery to compare the changes of LV machines following discharge.
The standardized exercise test was conducted by 50-W semirecumbent cycling (Cardiac Stress Table w/Angio) for 3 min.
Stress echocardiograph images were acquired at the third minute of cycling to ensure that subjects had reached a steady-state HR.
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detected at the in-hospital and the day 7, 14, 30, 60, and 180 after discharge.
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Misure di risultato secondarie
Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Cardiopulmonary fitness
Lasso di tempo: detected at the day 30, 60, and 180 after discharge.
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The graded exercise test (GXT) was performed with a cycle ergometer at the day 30 and 180 after discharge.
The GXT comprised of unloaded pedaling for 2 min followed by a continuous increase in work rate (20-30 W) every 3 min until exhaustion (i.e., V˙ O2max).
Minute ventilation (V˙ E), V˙ O2, and CO2 production (V˙ CO2) were measured breath-by-breath using a computer-based system (MasterScreen CPX; Cardinal Health Germany).
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detected at the day 30, 60, and 180 after discharge.
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The brain-type natriuretic peptide (BNP) levels
Lasso di tempo: detected at the detected at the in-hospital and the day 7, 14, 30, 60, and 180 after discharge.ay 30, 60, and 180 after discharge.
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BNP levels (picograms/milliliter) will be analysed from blood samples taken by a registered phlebotomist.
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detected at the detected at the in-hospital and the day 7, 14, 30, 60, and 180 after discharge.ay 30, 60, and 180 after discharge.
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The high-sensitivity CRP (hsCRP) levels
Lasso di tempo: detected at the detected at the in-hospital and the day 7, 14, 30, 60, and 180 after discharge.ay 30, 60, and 180 after discharge.
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hsCRP levels (picograms/milliliter) will be analysed from blood samples taken by a registered phlebotomist.
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detected at the detected at the in-hospital and the day 7, 14, 30, 60, and 180 after discharge.ay 30, 60, and 180 after discharge.
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The creatine kinase (CK) levels
Lasso di tempo: detected at the detected at the in-hospital and the day 7, 14, 30, 60, and 180 after discharge.ay 30, 60, and 180 after discharge.
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The CK levels (picograms/milliliter) will be analysed from blood samples taken by a registered phlebotomist.
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detected at the detected at the in-hospital and the day 7, 14, 30, 60, and 180 after discharge.ay 30, 60, and 180 after discharge.
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The creatine kinase-MB (CK-MB) levels
Lasso di tempo: detected at the detected at the in-hospital and the day 7, 14, 30, 60, and 180 after discharge.ay 30, 60, and 180 after discharge.
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The CK-MB levels (picograms/milliliter) will be analysed from blood samples taken by a registered phlebotomist.
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detected at the detected at the in-hospital and the day 7, 14, 30, 60, and 180 after discharge.ay 30, 60, and 180 after discharge.
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The troponin I levels
Lasso di tempo: detected at the detected at the in-hospital and the day 7, 14, 30, 60, and 180 after discharge.ay 30, 60, and 180 after discharge.
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The troponin I levels (picograms/milliliter) will be analysed from blood samples taken by a registered phlebotomist.
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detected at the detected at the in-hospital and the day 7, 14, 30, 60, and 180 after discharge.ay 30, 60, and 180 after discharge.
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The left ventricle wall and cavity dimensions
Lasso di tempo: detected at the detected at the in-hospital and the day 7, 14, 30, 60, and 180 after discharge.ay 30, 60, and 180 after discharge.
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M-mode images were used to determine the LV wall and cavity dimensions at end-systole and end-diastole from a parasternal long axis view.
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detected at the detected at the in-hospital and the day 7, 14, 30, 60, and 180 after discharge.ay 30, 60, and 180 after discharge.
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The left ventricle mass
Lasso di tempo: detected at the detected at the in-hospital and the day 7, 14, 30, 60, and 180 after discharge.ay 30, 60, and 180 after discharge.
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Measurements of LVmass and the short fraction index were automatically derived using standard equations as followed: LVmass(gm) = 0.77 X 10^-3X [(IVS + LVIDd +PW)^3 - (LVIDd)^3 + 2.4]
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detected at the detected at the in-hospital and the day 7, 14, 30, 60, and 180 after discharge.ay 30, 60, and 180 after discharge.
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The left ventricle ejection fraction
Lasso di tempo: detected at the detected at the in-hospital and the day 7, 14, 30, 60, and 180 after discharge.ay 30, 60, and 180 after discharge.
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LV ejection fraction (LVEF) was determined using the modified Simpson's method from the apical four-chamber views.
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detected at the detected at the in-hospital and the day 7, 14, 30, 60, and 180 after discharge.ay 30, 60, and 180 after discharge.
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The left ventricle diastolic functions
Lasso di tempo: detected at the detected at the in-hospital and the day 7, 14, 30, 60, and 180 after discharge.ay 30, 60, and 180 after discharge.
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Analysis of Doppler pulsed wave was performed to determine diastolic transmitral blood flow velocities for peak early (E) and late (A) fillings and was also detected the diastolic mitral annular tissue velocities for peak early (E') and late (A') fillings.
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detected at the detected at the in-hospital and the day 7, 14, 30, 60, and 180 after discharge.ay 30, 60, and 180 after discharge.
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Collaboratori e investigatori
Sponsor
Sponsor
Investigatori
Investigatori
- Investigatore principale: LI-Wei Chou, PhD, China Medical University Hospital/Asia University Hospital
Pubblicazioni e link utili
Pubblicazioni generali
- Huang YC, Tsai HH, Fu TC, Hsu CC, Wang JS. High-Intensity Interval Training Improves Left Ventricular Contractile Function. Med Sci Sports Exerc. 2019 Jul;51(7):1420-1428. doi: 10.1249/MSS.0000000000001931.
- Anand IS, Kuskowski MA, Rector TS, Florea VG, Glazer RD, Hester A, Chiang YT, Aknay N, Maggioni AP, Opasich C, Latini R, Cohn JN. Anemia and change in hemoglobin over time related to mortality and morbidity in patients with chronic heart failure: results from Val-HeFT. Circulation. 2005 Aug 23;112(8):1121-7. doi: 10.1161/CIRCULATIONAHA.104.512988. Epub 2005 Aug 15.
- Sikora-Frac M, Zaborska B, Maciejewski P, Budaj A, Bednarz B. Improvement of left ventricular function after percutaneous coronary intervention in patients with stable coronary artery disease and preserved ejection fraction: Impact of diabetes mellitus. Cardiol J. 2021;28(6):923-931. doi: 10.5603/CJ.a2019.0066. Epub 2019 Jul 1.
- Li H, Liu C, Zhang G, Wang C, Sun P, Du G, Tian J. The early alteration of left ventricular strain and dys-synchrony index in breast cancer patients undergoing anthracycline therapy using layer-specific strain analysis. Echocardiography. 2019 Sep;36(9):1675-1681. doi: 10.1111/echo.14460. Epub 2019 Aug 27.
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- CMUH108-REC2-180
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