This article forms part of our 'Tests and results' series for 2013, which aims to provide information about common tests that general practitioners order regularly. It considers areas such as indications, what to tell the patient, what the test can and cannot tell you, and interpretation of the results.
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Sisli Etfal Hastan Tip Bul
December 2024
Department of Radiology, Istanbul Aydin University Faculty of Medicine, Istanbul, Türkiye.
Objectives: Mechanical thrombectomy (MT) has revolutionized the treatment of acute ischemic stroke (AIS). Still, the efficacy and safety in patients older than 85 years of age are not conclusive by the present randomized controlled trials' data (RCT). Aging is a multifactorial process and the impact of MT on this specific population needs to be further analyzed.
View Article and Find Full Text PDFSci Rep
January 2025
Department of Radiology, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA.
The alteration of neurovascular coupling (NVC), where acute localized blood flow increases following neural activity, plays a key role in several neurovascular processes including aging and neurodegeneration. While not equivalent to NVC, the coupling between simultaneously measured cerebral blood flow (CBF) with arterial spin labeling (ASL) and blood oxygenation dependent (BOLD) signals, can also be affected. Moreover, the acquisition of BOLD data allows the assessment of resting state (RS) fMRI metrics.
View Article and Find Full Text PDFRev Col Bras Cir
January 2025
- School of Medical Sciences Orebro university, Department of Surgery - Orebro - OR - Suécia.
Introduction: Hemorrhage is the leading cause of preventable deaths in trauma patients, resulting in 1.5 million deaths annually worldwide. Traditional trauma assessment follows the ABC (airway, breathing, circulation) sequence; evidence suggests the CAB (circulation, airway, breathing) approach to maintain perfusion and prevent hypotension.
View Article and Find Full Text PDFJ Appl Physiol (1985)
January 2025
School of Kinesiology, Western University, London, Ontario, Canada.
The compliant nature of cerebral blood vessels may represent an important mechanical protection for sustained cerebral perfusion during reductions in arterial blood pressure (ABP). However, whether the rise in cerebrovascular compliance (Ci) with falling ABP persists and exhibits a threshold effect remains unknown. Therefore, we analyzed Ci changes during graded head-up tilt (HUT) in individuals with autonomic failure (AF), a group that tolerates graded and progressive reductions in ABP.
View Article and Find Full Text PDFRadiologie (Heidelb)
January 2025
Klinik für Diagnostische und Interventionelle Radiologie, Städtisches Klinikum Lüneburg, Bögelstraße 1, 21339, Lüneburg, Deutschland.
Besides intravenous thrombolysis, endovascular therapy (EVT) is also a standard treatment option for acute ischemic stroke. The clinical efficacy and safety of this procedure was proven in 2015 by several randomized controlled trials. The aim of EVT is to achieve the fastest possible recanalization of an occluded artery supplying the brain and, thus, reperfusion of the brain tissue.
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