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Sensitivity of coronary hemodynamics to vascular structure variations in health and disease.
Sci Rep
January 2025
Mechanical Engineering, Carnegie Mellon University, Pittsburgh, 15213, USA.
Local hemodynamics play an essential role in the initiation and progression of coronary artery disease. While vascular geometry alters local hemodynamics, the relationship between vascular structure and hemodynamics is poorly understood. Previous computational fluid dynamics (CFD) studies have explored how anatomy influences plaque-promoting hemodynamics.
View Article and Find Full Text PDFImplications of an Individualized Resuscitation Strategy Using Continuous Rhythm and Physiologic Status Assessment During Ongoing CPR.
Resuscitation
January 2025
Department of Medicine, University of Washington, Seattle, WA; King County Emergency Medical Services, Seattle-King County Department of Public Health, Seattle, WA.
Background: Prior studies have proposed defibrillator biosignal algorithms which characterize cardiac arrest rhythm and physiologic status. We evaluated whether a novel, individualized resuscitation strategy that integrates multiple ECG and impedance-based algorithms could reduce CPR interruptions and better align rescuer actions with patient-specific physiology.
Methods: In a retrospective cohort of ventricular fibrillation out-of-hospital cardiac arrests, observed rescuer actions (rhythm analysis, shock delivery, pulse checks, and drug therapy) were compared to hypothetical actions recommended by the proposed individualized strategy.
Evaluation of tooth-specific optical properties for the development of a non-invasive pulp diagnostic system using Transmitted-light plethysmography: An in vitro study.
Arch Oral Biol
January 2025
Department of Pediatric Dentistry/Dentistry for Persons with Special Needs, Division of Oral Restitution, Graduate School, Institute of Science Tokyo, Japan.
Objectives: Transmitted-light plethysmography (TLP) is an objective and non-invasive pulp diagnosis method that has already been validated for applications for incisors. However, there is a demand for TLP use in the molars, it has not yet been established for this application. This study investigated the optimal light source wavelengths for TLP in premolars, to establish a pulp diagnosis system based on measuring pulpal blood flow.
View Article and Find Full Text PDFA Novel Valveless Pulsatile Flow Pump for Extracorporeal Blood Circulation.
Ann Biomed Eng
January 2025
BioCardioLab, Fondazione Toscana G. Monasterio, 54100, Massa, Italy.
Extracorporeal Membrane Oxygenation (ECMO) is a modality of extracorporeal life support which allows temporary support in cases of cardiopulmonary failure and cardiogenic shock. This study presents a valveless pump that works by the Liebau effect as a possible pumping system in ECMO circuits, replacing the current roller and centrifugal pumps. For this purpose, a mock circulatory loop emulating the haemodynamic of the right part of the heart has been constructed.
View Article and Find Full Text PDFRescue RM/CS-AKI by blocking strategy with one-dose anti-myoglobin RabMAb.
Nat Commun
January 2025
School of Disaster and Emergency Medicine, Faculty of Medicine, Tianjin University, No. 92 Weijin Road, Nankai District, Tianjin, 300072, China.
Rhabdomyolysis or Crush syndrome-related AKI (RM/CS-AKI) has high mortality, and there is no effective early on-site treatment method. The critical pathogenic factor of RM/CS-AKI is the excessive free myoglobin (Mb) in blood circulation. Here, based on the concept of creating a "mobile barrier", we develop an anti-Mb rabbit monoclonal antibody (RabMAb) with high specificity, affinity, stability, and broad species reactivity.
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