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Left atrial appendage structural characteristics predict thrombus formation
ConclusionUtilizing LAA structural characteristics to predict thrombus formation may help refine current cardioembolic stroke (CES) risk estimation.
Source: Journal of Cardiovascular Electrophysiology - July 5, 2023 Category: Cardiology Authors: Carson Castellani, Yan Gao, Hyun Kim, Colton Thompson, John Ning, Nicole Lohr, Aimee Welsh, Marcie Berger Tags: ORIGINAL ARTICLE Source Type: research

Impact of multimorbidity and complex multimorbidity on mortality among older Australians aged 45 years and over: a large population-based record linkage study
Conclusion MM and CMM were common in older Australian adults; and MM was a better predictor of all-cause mortality risk than CMM. Higher mortality risk in those aged 45–59 years indicates tailored, person-centred integrated care interventions and better access to holistic healthcare are needed for this age group.
Source: BMJ Open - July 26, 2022 Category: General Medicine Authors: Kabir, A., Tran, A., Ansari, S., Conway, D. P., Barr, M. Tags: Open access, Geriatric medicine Source Type: research

Temporal patterns, characteristics, and predictors of clinical outcomes in patients undergoing percutaneous coronary intervention for stent thrombosis
CONCLUSIONS: PCI for ST has declined in frequency over a 7-year period, with most procedures performed for early ST. Among the different times of ST onset, only early ST is associated with worse clinical outcomes after PCI. Routine use of intravascular imaging and newer P2Y12 inhibitors could further improve outcomes in this high-risk procedural group.PMID:35599596 | DOI:10.4244/EIJ-D-22-00049
Source: EuroIntervention - May 23, 2022 Category: Cardiovascular & Thoracic Surgery Authors: Mohamed O Mohamed Alex Sirker Alaide Chieffo Pablo Avanzas James Nolan Muhammad Rashid Mohamed Dafaalla Saadiq Moledina Peter Ludman Tim Kinnaird Mamas A Mamas Source Type: research

Intercellular Conduction Optimizes Arterial Network Function and Conserves Blood Flow Homeostasis During Cerebrovascular Challenges.
CONCLUSIONS: Our findings highlight the integral role of intercellular electrical signaling in transcribing focal stimuli into coordinated changes in cerebrovascular contractile activity and expose, a hitherto unknown mechanism for flow regulation after stroke. PMID: 31826653 [PubMed - as supplied by publisher]
Source: Arteriosclerosis, Thrombosis and Vascular Biology - December 11, 2019 Category: Cardiology Authors: Zechariah A, Tran CHT, Hald BO, Sandow SL, Sancho M, Kim MSM, Fabris S, Tuor UI, Gordon GRJ, Welsh DG Tags: Arterioscler Thromb Vasc Biol Source Type: research

Age-Dependence of Flow Homeostasis in the Left Ventricle
Conclusions: In average, blood spends 1 to 3 beats inside the LV with very low shear stress rates. The apical region is the most prone to blood stasis, particularly in mid-aged adults. The washout of blood in the normal LV is age-dependent due to physiological changes in the degree of apical penetration of the filling waves. Introduction Cardioembolic stroke is a major source of mortality and disability worldwide and blood stasis one of its major determinants (Adams et al., 1986). Left ventricular (LV) function has evolved to maximize mechanical efficiency and ensure organ perfusion at a low cost of energy and fill...
Source: Frontiers in Physiology - April 25, 2019 Category: Physiology Source Type: research

Beyond Stroke Prevention in Atrial Fibrillation: Exploring Further Unmet Needs with Rivaroxaban.
This article provides an update on three randomized controlled trials of rivaroxaban, a direct, oral factor Xa inhibitor, that are complete or are ongoing, in these unmet areas of stroke prevention: oPen-label, randomized, controlled, multicentre study explorIng twO treatmeNt stratEgiEs of Rivaroxaban and a dose-adjusted oral vitamin K antagonist treatment strategy in patients with Atrial Fibrillation who undergo Percutaneous Coronary Intervention (PIONEER AF-PCI) trial; the New Approach riVaroxaban Inhibition of factor Xa in a Global trial vs Aspirin to prevenT Embolism in Embolic Stroke of Undetermined Source (NAVIGATE E...
Source: Thrombosis and Haemostasis - March 22, 2018 Category: Hematology Authors: Gibson CM, Hankey GJ, Nafee T, Welsh RC Tags: Thromb Haemost Source Type: research

Exploring unmet needs in venous and arterial thromboembolism with rivaroxaban.
This article will introduce and provide context for these RCTs in the contemporary management of arterial and venous thromboembolism in the following underserved areas: Patients with both NVAF and acute coronary syndrome (ACS) requiring percutaneous coronary intervention (PCI); patients with embolic stroke of undetermined source (ESUS); patients who require transcatheter aortic valve replacement (TAVR); patients with acute or chronic coronary artery disease (CAD; including those with heart failure [HF]); those at risk of or suffering from cancer-associated thrombosis (CAT) and those requiring long-term anticoagulation. It ...
Source: Thrombosis and Haemostasis - September 13, 2016 Category: Hematology Authors: Cappato R, Welsh R Tags: Thromb Haemost Source Type: research