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External delay and dispersion correction of automatically sampled arterial blood with dual flow rates.
Biomed Phys Eng Express
January 2025
Brain Health Imaging Centre, Centre for Addiction and Mental Health, B68-250 College St, Toronto, Ontario, M5T 1R8, CANADA.
Objective: Arterial sampling for PET imaging often involves continuously measuring the radiotracer activity concentration in blood using an automatic blood sampling system (ABSS). We proposed and validated an external delay and dispersion correction procedure needed when a change in flow rate occurs during data acquisition. We also measured the external dispersion constant of [11C]CURB, [18F]FDG, [18F]FEPPA, and [18F]SynVesT-1.
View Article and Find Full Text PDFAssociation between neutrophil to high-density lipoprotein ratio and no-reflow after coronary intervention: A cross-sectional study.
Medicine (Baltimore)
January 2025
Zhengzhou Central Hospital Affiliated to Zhengzhou University, Henan, China.
Inflammatory responses and lipid metabolism disorders are key components in the development of coronary artery disease and contribute to no-reflow after coronary intervention. This study aimed to investigate the association between the neutrophil to high-density lipoprotein ratio (NHR) and no-reflow phenomenon in ST-segment elevation myocardial infarction (STEMI) patients after primary percutaneous coronary intervention (PPCI). This study enrolled 288 patients with STEMI from September 1st, 2022 to February 29th, 2024, in the Zhengzhou Central Hospital Affiliated to Zhengzhou University.
View Article and Find Full Text PDFAssociations of cathepsins with pulmonary arterial hypertension mediated by circulating metabolites: A Mendelian randomization study.
Medicine (Baltimore)
January 2025
National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.
The correlation between cathepsins and pulmonary arterial hypertension (PAH) is well-established, but the causative link between them remains uncertain. This study aimed to explore the causal role of circulating metabolites mediating cathepsins in PAH using Mendelian randomization (MR). A 2-sample 2-step MR method was used to identify causal relationship between cathepsins and PAH; causal relationship between circulating metabolites and PAH; and mediated effects of these circulating metabolites.
View Article and Find Full Text PDFA review of cutting-edge biomarkers for diagnosing coronary artery disease.
Medicine (Baltimore)
January 2025
Cardiovascular Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
Chronic coronary artery disease (CAD) remains a significant global healthcare burden. Current risk assessment methods have notable limitations in early detection and risk stratification. Hence, there is an urgent need for innovative biomarkers that facilitate the premature CAD diagnosis, ultimately leading to reduction in associated morbidity and mortality rates.
View Article and Find Full Text PDFEvaluation of the effect of carotid sinus blockade on hemodynamic stability in carotid surgery: A retrospective study.
Medicine (Baltimore)
January 2025
Department of Cardiovascular Surgery, Eskisehir Osmangazi University Medical Faculty, Eskişehir, Türkiye.
This study assesses the effect of carotid sinus blockade applied with a local anesthetic on hemodynamic parameters during carotid endarterectomy (CEA) operations performed under general anesthesia. The medical records of patients who underwent CEA under general anesthesia between January 2020 and December 2022, were retrospectively reviewed. It was recorded whether the patients received carotid sinus block with 2 mL of 2% prilocaine.
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