Vascular assessment of wound healing: a clinical review

The objective of this review is to examine macro‐ and microvascular disease, the strengths and limitations of the approaches used and to highlight the importance of microvascular angiography in the context of wound healing.
Source: International Wound Journal - Category: Surgery Authors: Tags: ORIGINAL ARTICLE Source Type: research

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Publication date: Available online 17 October 2019Source: European Journal of RadiologyAuthor(s): Long Cao, Ruiqiong Shi, Yangyang Ge, Lei Xing, Panli Zuo, Yan Jia, Jie Liu, Yuan He, Xinhao Wang, Shaoliang Luan, Xiangfei Chai, Wei GuoGraphical abstractDeep learning-based algorithm provides an automated segmentation solution for type B aortic dissection (TBAD) on original CTAs. The serial multi-task based CNN achieved the best Dice coefficient scores (0.93 ± 0.01, 0.93 ± 0.01, and 0.91 ± 0.02 for the whole aorta, true lumen, and false lumen, respectively) and ob...
Source: European Journal of Radiology - Category: Radiology Source Type: research
Publication date: Available online 17 October 2019Source: European Journal of RadiologyAuthor(s): Joyman Makamure, Dan Zhao, Yiming Liu, Yong Wang, Chuansheng Zheng, Bin LiangAbstractPurposeTo evaluate the prevalence and lesion characteristics of hepatic hemangioma (HH) with arterioportal shunt (APS) based on digital subtraction angiography (DSA), computed tomography (CT) and magnetic resonance (MR) imaging.MethodNinety-eight consecutive patients with 189 HHs who underwent DSA, CT and/or MR imaging of the liver between January 2014 and December 2017 were included. The diagnosis of APS was established by DSA. APS was catego...
Source: European Journal of Radiology - Category: Radiology Source Type: research
ConclusionsOur study highlights important differences in both the utilisation of invasive coronary strategy and subsequent management/outcomes of NSTEMI patients according to admitting hospital CCL facilities. High-risk NSTEMI patients admitted to ‘diagnostic’ hospitals had greater in-hospital mortality, possibly because of reduced PCI use, which needs to be addressed.
Source: Canadian Journal of Cardiology - Category: Cardiology Source Type: research
A 59-year-old man presented with fever and lower extremity myalgia. Laboratory studies revealed elevated C-reactive protein. 18F-FDG PET/CT demonstrated FDG uptake not only in the brachial arteries, femoral arteries, and their main ramifications, which were equivalent to small- to medium-sized arteries but also in the kidneys. Angiography revealed a renal aneurysm, confirming the diagnosis of polyarteritis nodosa. The increased FDG uptake in the vessels and kidneys resolved after 6 months of glucocorticoid treatment.
Source: Clinical Nuclear Medicine - Category: Nuclear Medicine Tags: Interesting Images Source Type: research
We report the case of a 66-year-old woman who underwent 1-day stress/rest myocardial perfusion imaging (MPI) for coronary artery disease (CAD) screening. Relative MPI analysis was normal, whereas low-dose CT showed high calcium score. Myocardial blood flow and flow reserve were strongly impaired in all territories. Coronary angiography confirmed extended CAD. Flow parameters derived from cadmium-zinc-telluride SPECT MPI acquisition and calcium scoring can improve diagnostic accuracy and confidence of CAD.
Source: Clinical Nuclear Medicine - Category: Nuclear Medicine Tags: Interesting Images Source Type: research
In this study, we evaluated and compared the level of myocardial ischaemia caused by cardiac syndrome X (CSX) and coronary slow flow (CSF) with single photon emission computed tomography myocardial perfusion imaging (SPECT-MPI), and determined if changes in the level of myocardial ischaemia exist in CSF and CSX cases according to thrombolysis in myocardial infarction frame count (TFC). Materials and methods The study population consisted of 66 patients with CSF and 78 angiographically normal patients (36 of them with CSX and 42 of them healthy controls). The coronary flow rates of all patients were documented using TFC....
Source: Nuclear Medicine Communications - Category: Nuclear Medicine Tags: Original Articles Source Type: research
Conclusion Lung shunt fraction appears low among patients with non-hepatocellular carcinoma liver malignancies. Further analysis examining the necessity of pre-Y90 technetium-99 m macro aggregated albumin lung shunt fraction studies in patients with non-hepatocellular carcinoma malignancies is warranted, since a consolidated yttrium-90 radioembolization without prior lung shunt fraction evaluation could reduce resource consumption, improve workflows, and patient access.
Source: Nuclear Medicine Communications - Category: Nuclear Medicine Tags: Original Articles Source Type: research
Conditions:   Ischemic Heart Disease;   Microvascular Coronary Artery Disease;   Depression;   Endothelial Dysfunction;   Inflammation Intervention:   Procedure: Coronary Angiography and Multimodal Coronary Physiology Study (FFR, CFR, HMR) Sponsors:   Instituto de Salud Carlos III;   Hospital San Carlos, Madrid Recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials
Publication date: Available online 17 October 2019Source: NeurocomputingAuthor(s): Cai Meng, Kai Sun, Shaoya Guan, Qi Wang, Rui Zong, Lei LiuABSTRACTAccurate cerebrovascular segmentation in Digital Subtraction Angiography (DSA) image, as an indispensable step, can help doctors appropriately estimate the degree of cerebrovascular lesions to avoid misdiagnosis. Because of the complexity of cerebrovascular structure and the uneven distribution of contrast media in DSA, automatic segmentation is a challenging task in clinical diagnosis. In recent years, deep convolutional neural networks (CNN) have outperformed the state-of-ar...
Source: Neurocomputing - Category: Neuroscience Source Type: research
AbstractFractional flow reserve (FFR) is an established method for diagnosing physiological coronary artery stenosis. A method for computing FFR using coronary computed tomography (CT) images was recently developed. However, its calculation requires off-site supercomputer analysis. Here, we report the preliminary result of a method using simple estimation of boundary conditions. The lumen boundaries of the coronary arteries were semi-automatically delineated using full width at half maximum of CT number profiles. The computational fluid dynamics (CFD) of the blood flow was performed using the boundary conditions of a fixed...
Source: The International Journal of Cardiovascular Imaging - Category: Radiology Source Type: research
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