Results 161 to 170 of about 23,430 (291)

Multiple Spiral Lumens in the Coronary Artery

open access: yesInternal Medicine, 2007
Sato, Tetsuya   +2 more
openaire   +3 more sources

Human trophoblast invasion and spiral artery transformation - The role of nitric oxide [PDF]

open access: yes
During early human pregnancy extravillous cytotrophoblasts invade the uterus and also migrate up the spiral arteries, transforming them into large vessels of low resistance.
Bulmer JN; Robson SC; Lyall F; Kelly H; Duffie E
core  

Piezoelectric Materials in Medical Ultrasound: A Comprehensive Review From Fundamentals to Translational Prospects

open access: yesInformation &Functional Materials, EarlyView.
Piezoelectric materials are reviewed as active platforms for medical ultrasound, bridging electromechanical fundamentals, transducer architectures, and biomedical applications. Material–device co‐design is emphasized as the key to high‐performance diagnosis, therapy, monitoring, wearable ultrasound, and emerging ultrasound‐responsive functions ...
Jianan Li, Qing Wan
wiley   +1 more source

Fetal autonomic responses inferred from heart rate variability during recurrent decelerations without acidosis—An observational study

open access: yesInternational Journal of Gynecology &Obstetrics, EarlyView.
Abstract Objective Recurrent fetal heart rate (FHR) decelerations without acidosis are frequently observed during labor; however, the underlying autonomic mechanisms remain incompletely understood. This study explored fetal autonomic responses to recurrent decelerations using FHR and FHR variability (FHRV) parameters.
Shoichi Magawa   +9 more
wiley   +1 more source

The Endothelial CXCR Family in Vascular Health and Disease

open access: yesiNew Medicine, EarlyView.
ABSTRACT Endothelial cells (ECs) form the dynamic interface between blood and tissue, serving as key regulators of vascular homeostasis, inflammation, and repair. Among the molecular systems governing endothelial behavior, the C‐X‐C motif chemokine receptor (CXCR) family—originally characterized in immunology for its roles in leukocyte trafficking and ...
Zhiming Wu   +4 more
wiley   +1 more source

Compressed Sensing‐Accelerated 3.0 T Noncontrast‐Enhanced CMRA: Diagnostic Efficacy for Coronary Artery Stenosis

open access: yesiRADIOLOGY, EarlyView.
This bar chart illustrates the diagnostic performance of coronary magnetic resonance angiography (CMRA) for detecting ≥ 50.00% coronary artery stenosis at the segment, vessel, and patient levels, including sensitivity, specificity, positive predictive value, negative predictive value, and accuracy.
Zhengfu Wang   +5 more
wiley   +1 more source

Sonographic Diagnosis of an Intercostal Artery Pseudoaneurysm: A Case Report and Literature Review

open access: yesJournal of Clinical Ultrasound, EarlyView.
A 63‐year‐old male presented to the emergency department after being found unconscious during a welfare check. Following a prolonged three‐month hospital admission, the patient developed left flank pain. Spectral Doppler ultrasound revealed a large isoechoic lesion with layering echoes, and spectral Doppler demonstrated bidirectional flow.
Aaditya P. Singh, Peter R. Coombs
wiley   +1 more source

Characterization of Pulmonary Functional Abnormalities in Systemic Sclerosis Using Xenon MRI

open access: yesJournal of Magnetic Resonance Imaging, EarlyView.
ABSTRACT Background Xenon MRI is increasingly used to evaluate patients with interstitial lung disease (ILD) and pulmonary hypertension (PH), both of which are common manifestations of systemic sclerosis (SSc). As such, Xe‐MRI may be suited to interrogate lung function impairment in SSc.
Dawson Shaver   +11 more
wiley   +1 more source

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