Pet tracers for vulnerable plaque imaging

AbstractMost of the acute ischemic events, such as acute coronary syndromes and stroke, are attributed to vulnerable plaques. These lesions have common histological and pathophysiological features, including inflammatory cell infiltration, neo-angiogenesis, remodelling, haemorrhage predisposition, thin fibrous cap, large lipid core, and micro-calcifications. Early detection of the presence of a plaque prone to rupture could be life-saving for the patient; however, vulnerable plaques usually cause non-haemodynamically significant stenosis, and anatomical imaging techniques often underestimate, or may not even detect, these lesions. Although ultrasound techniques are currently considered as the “first-line” examinations for the diagnostic investigation and treatment monitoring in patients with atherosclerotic plaques, positron emission tomography (PET) imaging could open new horizons in the assessment of atherosclerosis, given its ability to visualize metabolic processes and provide mo lecular-functional evidence regarding vulnerable plaques. Moreover, modern hybrid imaging techniques, combining PET with computed tomography or magnetic resonance imaging, can evaluate simultaneously both functional and morphological parameters of the atherosclerotic plaques, and are expected to sig nificantly expand their clinical role in the future. This review summarizes current research on the PET imaging of the vulnerable atherosclerotic plaques, outlining current and potential a...
Source: Annals of Nuclear Medicine - Category: Nuclear Medicine Source Type: research

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Conclusion: Direct compression of ICA is rare complication of pituitary apoplexy, which caused cerebral ischemia. Conventional angiography should be necessary for accurate diagnosis and prompt surgical decompression should be the treatment of choice. PMID: 32494388 [PubMed]
Source: Surgical Neurology International - Category: Neurosurgery Tags: Surg Neurol Int Source Type: research
CONCLUSIONS: Rivaroxaban appeared at least as effective and safe as warfarin when used to manage African American patients with NVAF in routine practice. PMID: 32493618 [PubMed - as supplied by publisher]
Source: Journal of the National Medical Association - Category: General Medicine Tags: J Natl Med Assoc Source Type: research
Atrial fibrillation is the most common sustained cardiac arrhythmia in the general population. In western countries with aging populations, atrial fibrillation poses a significant health concern, as it is associated with a high risk of thromboembolism, stroke, congestive heart failure, and myocardial infarction. Thrombi are generated in the left atrial appendage, and subsequent embolism into the cerebral circulation is a major cause of ischemic stroke. Therefore, patients have a lifetime risk of stroke, and those at high risk, defined as a CHA2DS2-VASc2 (congestive heart failure, hypertension, age>75 years, diabetes mel...
Source: Cardiology in Review - Category: Cardiology Tags: Review Articles Source Type: research
CONCLUSIONS: Inflammatory markers like NLR, LMR and CAR on admission were associated with increased risks of 30-day mortality and 90-day poor outcome in patients with critically ill stroke. Especially, high NLR is independently associated with 90-day poor outcome. PMID: 32486607 [PubMed - as supplied by publisher]
Source: Minerva Anestesiologica - Category: Anesthesiology Tags: Minerva Anestesiol Source Type: research
ConclusionThoracoscopic epicardial closure of the LAA with the AtriClip PRO2 device is a potentially safe and efficient treatment for stroke prevention in patients with NVAF contraindicated for anticoagulant or antiplatelet therapy.This article is protected by copyright. All rights reserved.
Source: Journal of Cardiovascular Electrophysiology - Category: Cardiology Authors: Tags: ORIGINAL ARTICLES Source Type: research
CONCLUSIONS: Patients with diabetes mellitus were vulnerable to hemorrhagic transformation, whereas those who underwent several attempts of thrombectomy were susceptible to isolated subarachnoid hemorrhage. Both hemorrhage types worsened the functional outcome. Treatment with the stent retriever was significantly associated with postprocedural isolated subarachnoid hemorrhage. PMID: 32475194 [PubMed - as supplied by publisher]
Source: Interventional Neuroradiology - Category: Radiology Tags: Interv Neuroradiol Source Type: research
AbstractBackground and purposeRandomized controlled trials have demonstrated that mechanical thrombectomy (MT) could provide more benefit than standard medical care for acute ischemic stroke (AIS) patients due to emergent large vessel occlusion. However, most primary stroke centers (PSCs) are unable to perform MT, and MT can only be performed in comprehensive stroke centers (CSCs) with on-site interventional neuroradiologic services. Therefore, there is an ongoing debate regarding whether patients with suspected AIS should be directly admitted to CSCs or secondarily transferred to CSCs from PSCs. This meta-analysis was aim...
Source: Journal of Neurology - Category: Neurology Source Type: research
Abstract Cerebral ischemia/reperfusion (I/R) results in harmful consequences during ischemic stroke, especially the disruption of the blood-brain barrier (BBB), which leads to severe hemorrhagic transformation through aggravation of edema and brain hemorrhage. Our previous study demonstrated that icariside II (ICS II), which is derived from Herba Epimedii, attenuates cerebral I/R injury by inhibiting the GSK-3β-mediated activation of autophagy both in vitro and in vivo. However, the effect of ICS II on the BBB remains unclear. Thus, in this study, we investigated the regulation of BBB integrity by ICS II afte...
Source: Acta Pharmacologica Sinica - Category: Drugs & Pharmacology Authors: Tags: Acta Pharmacol Sin Source Type: research
This study aimed to investigate characteristics and outcomes of newly developed stroke in patients admitted to the non-neurological intensive care units (ICU-onset stroke, IOS).MethodsA consecutive series of adult patients who were admitted to the non-neurological ICU were included in this study. We compared neurological profiles, risk factors, and mortality rates between patients with IOS and those without IOS.ResultsOf 18,604 patients admitted to the ICU for non-neurological illness, 218 (1.2%) developed stroke (ischemic,n = 182; hemorrhagic,n = 36). The most common neurological presentation w...
Source: Journal of Neurology - Category: Neurology Source Type: research
Authors: Susmitha K, Chandrasekhar V, Kiran G, Divya A, Rani GS, Sarangapani M Abstract Stroke is becoming a main cause of early death and disability in developing countries like India, and it is mostly enhanced by increased predominance of major risk factors. A detailed knowledge about the nature and magnitude of the stroke cases in this particular area is not only important for acute treatment but also it helps to prevent hospital admissions due to reoccurring stroke. The present study was conducted in the Department of Stroke at MGM Hospital, Warangal, India, to study the patterns of stroke admissions. All the c...
Source: Advances in Experimental Medicine and Biology - Category: Research Tags: Adv Exp Med Biol Source Type: research
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