Probability Of Finding Signifigant Obstructive Coronory Artery Disease By Coronary Ct Angiography In Patients With Abnormal Stress Test In A Large, Multi- physician Outpatient Cardiology Private Practice
ConclusionThe vessel-specific MCP myocardial perfusion territory assignment technique more accurately quantifies LCA and RCA perfusion territories as compared with the current standard AHA 17-segment model. Therefore, it can potentially provide a more comprehensive and patient-specific evaluation of coronary artery disease.Key Points• The minimum cost path (MCP) technique accurately determines left and right coronary artery perfusion territories, as compared with the American Heart Association 17-segment (AHA) model.• The minimum cost path (MCP) technique could be applied to cardiac computed-tomography angiograph...
Myocardial extracellular volume fraction (ECV) derived from CT delayed enhancement (CTDE) may allow assessment of diffuse myocardial fibrosis. However, the amount of contrast medium required for ECV estimation has not been established. Since ECV estimation by CT is typically performed in combination with coronary CT angiography (CCTA) in clinical settings, we aimed to investigate whether reliable ECV estimation is possible using the contrast dose optimized for CCTA without additional contrast administration.
ConclusionSurgical clipping remains a safe and useful treatment option for pericallosal artery aneurysms in a low-resource neurosurgical facility.
Objective: To explore the value of whole-brain perfusion parameters combined with multiphase computed tomography angiography (MP-CTA) in predicting the hemorrhagic transformation (HT) of ischemic stroke. Methods: A total of 64 patients with ischemic stroke who underwent noncontrast computed tomography, computed tomography perfusion imaging, and computed tomography angiography before treatment from August 2017 to June 2019 were included retrospectively. The perfusion parameters cerebral blood volume (CBV), cerebral blood flow (CBF), time to peak (TTP), mean transit time (MTT), time to maximum (Tmax), and permeability surfac...
Discussion: Despite some discrepancy regarding the incidence, both cohorts show a non-negligible long-term risk of aneurysm recurrence and de novo aneurysm formation, which warrants life-long imaging follow-up.Abbreviations: SD: standard deviation; DSA: digital subtraction angiography; CTA: computed tomography angiography; MRA: magnetic resonance angiography; MCA: middle cerebral artery; ACA: anterior cerebral artery; ACommA: anterior communicating artery; ICA: internal carotid artery; ADPKD: autosomal dominant polycystic kidney disease; MeSH: Medical Subject Headings. PMID: 32048571 [PubMed - as supplied by publisher]
This study assessed predictors of pulmonary thromboembolism (PE) resolution and their implications for clinical outcome.MethodA total of 150 patients with acute PE diagnosed by computed tomography pulmonary angiography (CTPA) were included. All patients received anticoagulant therapy for 3 ‐6 months and were followed‐up for at least 2 years. D‐dimer levels in plasma were assayed at the first admission and during follow‐up.ResultsThe rate of CTPA ‐confirmed PE resolution was 48.67% at 6 months, 68% at 12 months, and 78.67% at 24 months. Thirty‐nine patients had recurrent thrombosis after anticoagulation therapy ...
The recent article from McCluskey et al “Radiological Eye Deviation as a Predictor of Large Vessel Occlusion in Acute Ischaemic Stroke” J of Stroke and Cerebrovasc Dis. 2019; 28:2318-23231 provides valuable information that may lead to early stroke intervention. They found that subjective visual detection of radiographic eye deviation on nonenhanced computed tomography (NECT) brain is strongly associated with large vessel occlusion (LVO). This compelling association may expedite patients for timely angiographic testing and endovascular therapy.
AbstractBackgroundAtrial myxoma remains a rare clinical entity with an incidence of surgically resected cases of 0.5 –0.7 per million population and prevalence of
ConclusionsWe successfully developed a deep learning model that can automatically detect aneurysms. The model performed well for aneurysms of different sizes or in different locations. This finding indicates that the deep learning model has the potential to vastly improve clinician performance by providing automated aneurysm detection.
CONCLUSIONS: Renal artery re-intervention following renal denervation with the most commonly applied RF renal denervation system (Symplicity™) is rare. Most events were identified within 1 year. PMID: 32038027 [PubMed - as supplied by publisher]