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Image Quality as an Important Confounder in Quantitative OCT Angiography: A Review with Quantitative Synthesis.

Medical sciences (Basel, Switzerland) 2026-08-20 浏览 7 心血管

BACKGROUND: Optical coherence tomography angiography (OCTA) provides quantitative metrics of the retinal microvasculature, most prominently vessel density (VD), that are increasingly used as biomarker...

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MitoQ Has Diverse Effects on H(2)O(2)-Induced Oxidative Stress and the NRF2 Signalling Pathway in Aortic Smooth Muscle Cells of Different Origins.

Cells 2026-08-20 浏览 8 心血管

Oxidative stress plays a central role in the development and progression of abdominal aortic aneurysms (AAA), as it severely impairs the function and survival of vascular smooth muscle cells (VSMCs). ...

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NaF-PET Imaging for Detection of Early Arterial Microcalcification and Monitoring of Targeted Therapy: A Narrative Review.

Cells 2026-08-20 浏览 7 心血管

Ischemic heart disease is currently diagnosed mainly through cardiac computed tomography (CT) angiography and functional testing, both of which detect only advanced arterial macrocalcification, at a s...

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May-Thurner Syndrome secondary to the oral contraceptive pill.

Irish medical journal 2026-08-20 浏览 9 心血管

PRESENTATION: A teenaged female patient presented with left leg pain and swelling for two days. The pain radiated to the left iliac fossa and suprapubic region. DIAGNOSIS: May Thurner Syndrome with ex...

Semi-supervised Omics Factor Analysis (SOFA) disentangles known and latent sources of variation in multi-omic data.

Nature communications 2026-08-20 浏览 12 心衰

A fundamental design pattern in biomolecular studies is to assay the same set of samples (organisms, tissue biopsies, or individual cells) by multiple different 'omics assays. Group Factor Analysis (G...

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Feasibility and outcomes of an automated high-alert NT-proBNP pathway.

Open heart 2026-08-20 浏览 8 心衰

BACKGROUND: NT-proBNP is a key biomarker in heart failure (HF). Patients with markedly elevated levels are at high risk of adverse outcomes but experience delays in specialist care. Evidence on the im...

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Surgically managed paediatric external jugular vein pseudoaneurysm.

BMJ case reports 2026-08-20 浏览 6 心血管

Aneurysms and pseudoaneurysms predominantly affect the high-pressure arterial system; venous manifestations are exceedingly rare. While the internal jugular vein is the most common cervical site-typic...

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Women in healthy transition deep phenotyping cohort study protocol (KiSO-DP): a within-participant multidisciplinary longitudinal cohort study across the menopausal transition.

BMJ open 2026-08-20 浏览 6 心血管

BACKGROUND: Cardiovascular disease risk accelerates in women after the menopausal transition, coinciding with the cessation of endogenous oestrogen production. The accompanying decline in vascular fun...

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Pathological depositions in human disease: converging mechanisms in atherosclerosis, Alzheimer's disease, and related disorders.

Molecular biomedicine 2026-08-20 浏览 23 动脉粥样硬化

Pathological deposition of endogenous material within tissues represents a central, unifying mechanism across a broad spectrum of prevalent human diseases. Atherosclerosis and Alzheimer's disease (AD)...

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Prediction of Atrial Fibrillation Occurrence With Handheld Mobile Electrocardiogram: Deep Learning Model Development Using Real-World Data.

JMIR medical informatics 2026-08-20 浏览 11 心律失常

BACKGROUND: Atrial fibrillation (AF) is a common arrhythmia associated with an increased risk of stroke and heart failure. To improve prevention, recent studies have used deep learning models to ident...

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Tracing the origins of de novo coronary collateral formation in cardiac repair.

Science (New York, N.Y.) 2026-08-20 浏览 9 心血管

Coronary collateral arteries have been proposed to form de novo through artery reassembly, a process in which arterial endothelial cells (ECs) migrate away from preexisting arteries and reassemble int...

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Modality-specific neurovascular coupling via layer-segregated arteriole networks.

Science (New York, N.Y.) 2026-08-20 浏览 11 心血管

The brain's vascular system dynamically regulates energy supply through neurovascular coupling. In this study, we show that in mice, neurovascular coupling is modality-dependent: Distinct sensory inpu...

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Targeting ACTG1 alleviates isoproterenol-induced cardiac injury by regulating endothelial-to-mesenchymal transition.

Journal of molecular histology 2026-08-20 浏览 11 心血管

The pathological mechanisms underlying cardiac fibrosis after isoproterenol (ISO)-induced cardiac injury remain poorly understood. Additionally, the biological function of ACTG1 in cardiovascular dise...

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Macular perfusion analysis using optical coherence tomography angiography post rhegmatogenous retinal detachment repair: a systematic review and meta-analysis.

International ophthalmology 2026-08-20 浏览 11 心血管

BACKGROUND: Evaluating rhegmatogenous retinal detachment (RRD) repair traditionally focuses on anatomical reattachment and visual acuity. Understanding macular perfusion changes post-repair offers a m...

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Role of semaphorin 4f in cardiac fibroblasts to regulate matrix production through actin remodeling and YAP/TAZ activation.

Apoptosis : an international journal on programmed cell death 2026-08-20 浏览 11 心血管

Cardiac fibrosis remains a critical determinant of adverse outcomes in heart disease, yet effective anti-fibrotic therapies are lacking. While multiple semaphorin family members participate in cardiov...

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APOM-associated inflammation and apoptosis in stroke-exacerbated myocardial infarction: implications for brain-heart interactions.

Apoptosis : an international journal on programmed cell death 2026-08-20 浏览 13 心血管

Brain-heart syndrome (BHS) describes cardiac dysfunction secondary to central nervous system injury, with acute ischemic stroke (AIS) serving as a critical driver that exacerbates myocardial infarctio...

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[Perioperative outcomes and anesthetic management of pregnancy termination in patients with pulmonary hypertension].

Nan fang yi ke da xue xue bao = Journal of Southern Medical University 2026-08-20 浏览 8 高血压

OBJECTIVES: To investigate outcomes of pregnancy termination in women with pulmonary hypertension (PH) and the correlations of anesthetic management strategies and intraoperative blood pressure variab...

DOI 原文

[A semi-supervised MRI image segmentation dual-network model for regions with ambiguous boundaries and heterogeneous regions].

Nan fang yi ke da xue xue bao = Journal of Southern Medical University 2026-08-20 浏览 21 心血管

OBJECTIVES: To construct a high-value region-guided dual-network semi-supervised segmentation method (HVASS) under extremely low labeling rates for addressing the challenges of heterogeneity and blurr...

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