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Investigation Myocardial Perfusion Scan Parameters and Walls Motion in Patients undergoing Cardiac Surgery.
J Biomed Phys Eng
December 2024
Department of Medical Physics and Engineering, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
Background: Coronary heart disease the most prevalent form of cardiovascular disease, results from the blockage of blood flow through arteries. The Myocardial Perfusion Scan (MPS) is considered a non-invasive method to assess the heart condition and provides valuable information, such as End Diastolic Volume (EDV), End Systolic Volume (ESV), Ejection Fraction (EF), Lung to Heart Ratio (LHR), and Transient Ischemic Dilatation (TID).
Objective: This study aimed to investigate changes in gated heart scan parameters to diagnose patients, who are candidates for heart surgery.
Haemodynamic and hyperaemic effects of adenosine in patients with atrial fibrillation undergoing quantitative myocardial perfusion cardiovascular magnetic resonance.
Eur Heart J Imaging Methods Pract
July 2024
Department of Cardiovascular Sciences, University of Leicester and the National Institute for Health Research Leicester Biomedical Research Centre, Glenfield Hospital, Leicester LE3 9QP, UK.
Aims: Patients with atrial fibrillation (AF) are thought to have an attenuated response to adenosine during vasodilator stress testing. We sought to investigate the haemodynamic and hyperaemic effects of adenosine in patients with AF undergoing adenosine-stress cardiovascular magnetic resonance (CMR) assessment.
Methods And Results: We retrospectively examined 318 patients referred for clinical adenosine-stress CMR (AF = 158, sinus rhythm [SR] = 160).
Olympic distance duathlon and cardiac performance in highly-trained triathletes.
Physiol Rep
December 2024
Department of Cardiology, St George's University Hospitals NHS Foundation Trust, London, UK.
The effects of triathlon exercise on cardiac function are well documented. While Olympic triathlon (swim-bike-run) remains the standard format, increasing concerns about water quality in natural waterways present ongoing challenges for open-water swimming events, highlighting the potential need to consider alternative formats such as duathlon (run-bike-run) in some circumstances. An additional run may increase the overall metabolic and cardiovascular demand compared with the swim in triathlon, leading to reduced future performance.
View Article and Find Full Text PDFMultiparametric cardiovascular magnetic resonance is associated with outcomes in pediatric heart transplant recipients.
J Cardiovasc Magn Reson
December 2024
Division of Cardiology, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Northwestern University Feinberg School of Medicine, Chicago, IL, USA, E Chicago Ave, Box 21. Chicago, IL, 60611.
Background: Multiparametric cardiovascular magnetic resonance (CMR) has an emerging role in non-invasive surveillance of pediatric heart transplant recipients (PHTR). Higher myocardial T2, higher extracellular volume fraction (ECV), and late gadolinium enhancement (LGE) have been associated with adverse clinical outcomes in adult heart transplant recipients. This study's purpose was to investigate the prognostic value of CMR-derived T1- and T2-mapping, ECV, and LGE for clinical outcomes in PHTR.
View Article and Find Full Text PDFSTATE OF CARDIOVASCULAR SYSTEM IN SERVICEMEN OF UKRAINE ARMED FORCES AND EMERGENCY WORKERS OF THE CHORNOBYL ACCIDENT. COMPARATIVE ANALYSIS.
Probl Radiac Med Radiobiol
December 2024
State Institution «National Research Center of Radiation Medicine, Hematology and Oncology of the National Academy of Medical Sciences of Ukraine», 53 Yuriia Illienka Str., Kyiv, 04050, Ukraine.
Objective: To conduct a comparative analysis of cardiovascular system state in emergency workers (EW) of theaccident at the Chornobyl NPP and servicemen (SM) of Ukraine Armed Forces (UAF) who took part in the fightagainst russian military aggression, and to assess the role of military service factors on the development of cardiac pathology.
Materials And Methods: The study included 81 male EW and 161 SM of UAF, who were examined and treated in thecardiology department of NRCRMHO from 2022 to 2024. The average age of the surveyed EW was (56.
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