Results 121 to 130 of about 479,259 (314)

2.2 RE-REFLECTION OF BACKWARD PROPAGATING WAVES LEADS TO AMPLIFICATION OF THE FORWARD PRESSURE WAVE IN WAVE SEPARATION ANALYSIS

open access: yesArtery Research, 2015
Introduction: In wave separation analysis, the pressure wave is decomposed into a single forward and backward component, which actually compounds all forward and backward propagating waves.
Patrick Segers*   +3 more
doaj   +1 more source

A compendium of extracellular vesicle biogenesis inhibitors: From bench to bedside

open access: yesInterdisciplinary Medicine, EarlyView.
This review explores a decade of research on extracellular vesicles (EVs), detailing their biogenesis and roles in health and disease. It emphasizes EVs' relevance for potential medical applications covering various conditions such as cancer, neurodegeneration, inflammation, and infectious diseases, bridging experimental findings with clinical ...
Stefano Vecchione   +2 more
wiley   +1 more source

THEORETICAL AND EXPERIMENTAL-ANALYSIS OF AORTIC COARCTATION

open access: yes, 1989
Aortic coarctation, which could severely influence the haemodynamic conditions of the body, is discussed. A theory has been developed which relates the pressure drop over the coarctation to the flow.
ENGVALL, J   +3 more
core   +1 more source

Implementation and Performance of First‐Trimester Referral Ultrasound Scan Following the Introduction of National Guidelines

open access: yesJournal of Clinical Ultrasound, EarlyView.
The expert assessment of fetal anatomy before 14 weeks is feasible when adopting a standardized protocol and allows an early diagnosis in most cases at risk for fetal anomaly following first trimester screening ultrasound. ABSTRACT Background To report the implementation across Fetal Medicine units and the agreement between first and second trimester ...
Grazia Volpe   +11 more
wiley   +1 more source

Quantitative Assessment of Wall Shear Stress in an Aortic Coarctation - Impact of Virtual Interventions

open access: yes, 2014
Turbulent and wall impinging blood flow causes abnormal shear forces onto the lumen and may play an important role in the pathogenesis of numerous cardiovascular diseases.
Karlsson, Matts,   +2 more
core  

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

Hypertension in aortic coarctation.

open access: yes, 2009
Patients with aortic coarctation are prone to develop arterial hypertension at various stages throughout life. There are at least three different pathophysiologic pathways: re-stenosis at the aortic isthmus, paradoxical hypertension, and late ...
Hager, A
core  

Clinical research regional vascular changes and aortic dilatation in pediatric patients with bicuspid aortic valve

open access: yes, 2022
: Background: Bicuspid aortic valve (BAV) is the most common congenital heart disease, often associated with valve dysfunction, coarctation of the aorta, and ascending aorta dilatation.
Franco-Cereceda, Anders   +13 more
core  

A severe coarctation of aorta in a 52-year-old male: a case report

open access: yesInternational Journal of Medical Sciences, 2010
Aortic coarctation is a congenital malformation of the aorta usually diagnosed and corrected early in life. Long-term survival is exceptional in patients with untreated aortic coarctation.
Davran Cicek, Cevahir Haberal, Suleyman Ozkan, Haldun Muderrisoglu
doaj  

Outcomes of surgical versus conservative treatment in pediatric median arcuate ligament syndrome

open access: yesJournal of Pediatric Gastroenterology and Nutrition, EarlyView.
Abstract Objectives Median arcuate ligament syndrome (MALS) involves compression of the celiac artery and presents with gastrointestinal symptoms. We evaluated outcomes after surgical versus conservative management in pediatric MALS. Methods We reviewed charts of symptomatic patients aged 7–21 years diagnosed by ultrasound and/or computed tomography ...
Mohamad Abi Nassif   +9 more
wiley   +1 more source

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