Can the Coronary Artery Calcium Score Scan Reduce the Radiation Dose in Coronary Computed Tomography Angiography?

Publication date: Available online 21 March 2020Source: Academic RadiologyAuthor(s): Liang Jin, Yiyi Gao, An'qi Jiang, Zhenlin Li, Peijun Wang, Ming Li
Source: Academic Radiology - Category: Radiology Source Type: research

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BACKGROUND Patients with blunt cerebrovascular injuries are at risk of thromboembolic stroke. Although primary prevention with antithrombotic therapy is widely used in this setting, its effectiveness is not well defined and requires further investigation. The aim of this study was to evaluate the utility of magnetic resonance imaging (MRI)–detected ischemic brain lesions as a possible future outcome for randomized clinical trials in this patient population. METHODS This prospective observational study included 20 adult blunt trauma patients admitted to a level I trauma center with a screening neck CTA showing ex...
Source: The Journal of Trauma: Injury, Infection, and Critical Care - Category: Orthopaedics Tags: ORIGINAL ARTICLES Source Type: research
The objective of this study is to investigate the use of PET-CT scan with 18F-fluorodeoxyglucose (18F-FDG) as a method to predict outcomes in patients with Takayasu arteritis (TAK), as well as to analyze associations between 18F-FDG PET-CT findings with disease relapses, sustained remission, new angiographic lesions, ischemic events, and changes in therapy for TAK. At baseline assessment, 36 TAK patients underwent 18F-FDG PET-CT scan and maximal standardized uptake value (SUVmax) in arteries  ≥ 1.3 was predictive for clinical disease activity. Thirty-two TAK patients were then followed-up for a median 83.5...
Source: Rheumatology International - Category: Rheumatology Source Type: research
ConclusionThe positive CT-PA rate varied significantly between seasons. Smoking was a predictor of positive CT-PA results. These findings may assist in developing interventions for improving the utilization of CT-PA scans to avoid unnecessary exposure of patients to radiation.Clinical trial registrationN/A
Source: Emergency Radiology - Category: Emergency Medicine Source Type: research
By MICHEL ACCAD Last month marked the 400th anniversary of the birth of John Graunt, commonly regarded as the father of epidemiology.  His major published work, Natural and Political Observations Made upon the Bills of Mortality, called attention to the death statistics published weekly in London beginning in the late 16th century.  Graunt was skeptical of how causes of death were ascribed, especially in times of plagues.  Evidently, 400 years of scientific advances have done little to lessen his doubts!  A few days ago, Fox News reported that Colorado governor Jared Polis ...
Source: The Health Care Blog - Category: Consumer Health News Authors: Tags: COVID-19 Medical Practice Physicians Diagnosis MICHEL ACCAD Source Type: blogs
Abstract Cardiovascular diseases are the most common cause of death in patients over 60 years old. Imaging methods of a pivotal role in cardiological diagnostic processes are echocardiography, magnetic resonance, multi-row-detector computed tomography, coronary angiography, and radioisotope tests. In this paper, we summarize the techniques of nuclear medicine (positron emission tomography, single-photon emission computed tomography, radionuclide ventriculography) that could be implemented in the cardiovascular diagnostic algorithms. Despite being acknowledged and positioned in a few cardiological guidelines, these...
Source: Polish Heart Journal - Category: Cardiology Authors: Tags: Kardiol Pol Source Type: research
AbstractPurpose of ReviewThe most pertinent clinical question in post-coronary computed tomography angiography (CCTA) patients is the assessment of the physiological significance of an anatomically identified stenosis. The clinical application of radionuclide MPI using single-photon emission computed tomography (SPECT) versus positron emission tomography (PET) in the evaluation and management of patients with an inconclusive CCTA is reviewed using a case-based approach.Recent FindingsRecent evidence suggests that CCTA is the most sensitive non-invasive test to exclude angiographic CAD and may be an effective first-line tes...
Source: Current Cardiology Reports - Category: Cardiology Source Type: research
While CT scans without IV contrast are obtained commonly to evaluate vertebral injuries, CT angiography scans should be considered whenever a fracture site approaches known vasculature. AbstractWhile CT scans without IV contrast are obtained commonly to evaluate vertebral injuries, CT angiography scans should be considered whenever a fracture site approaches known vasculature.
Source: Clinical Case Reports - Category: General Medicine Authors: Tags: CLINICAL IMAGE Source Type: research
th M Abstract Giant cell arteritis (GCA) and Takayasu's arteritis (TAK) both belong to the group of large vessel vasculitides and require long-term drug treatment. Glucocorticoids (GC) are the first choice for the treatment of both diseases. For GCA immunosuppressants, such as tocilizumab or methotrexate should be considered in cases of treatment refractory and relapses or if there is a high risk for GC-related adverse events. In TAK patients the use of immunosuppressive agents should be considered for all patients. In the course of the disease, severe disease-associated and treatment-associated complications...
Source: Zeitschrift fur Rheumatologie - Category: Rheumatology Authors: Tags: Z Rheumatol Source Type: research
This post was originally written in 2013. A middle-aged man with STEMI  came to our CCU.  It is just another case of STEMI and asked my fellow to lyse. But it was not the case . He, told me, Sir, the patient had a syncope following chest pain and he has injured his face and Jaw. He was actively bleeding. When I saw this face, it was indeed  frightening. What shall we do ? When a patient  with STEMI presents with bleeding facial Injury Rush for Immediate PCI (Which was  of course not possible in our place as it happened out of office hours! ) Take that ultimate risk and thrombolysis Give only hepa...
Source: Dr.S.Venkatesan MD - Category: Cardiology Authors: Tags: bio ethics Cardiology -Therapeutic dilemma cardiology -Therapeutics Cardiology -unresolved questions Cardiology Risk assesment cardiology- coronary care Cardiology-Coronary artery disese Primary PCI Thrombolysis relative and absolute con Source Type: blogs
Some of the first CT angiography images documenting the rapid progression of...Read more on AuntMinnie.comRelated Reading: COVID-19 can be seen on CT scans outside the chest AMVC 2020: Leading radiology's fight against COVID-19 Chest x-rays in the ER predict COVID-19 severity MRI illuminates neurologic manifestations of COVID-19 AMVC 2020: Artificial intelligence for COVID-19 detection
Source: AuntMinnie.com Headlines - Category: Radiology Source Type: news
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