34, No. 25, No. 26, No. 1, Cirugía Española (English Edition), Vol. Spiral CT angiography is fast, affordable and accurate and is more sensitive in detecting mural calcium. METHODS: Seventeen patients with a variety of aortic pathology were examined. 2, Seminars in Nuclear Medicine, Vol. With regard to the clinical applications of spiral CT angiography, its introduction into the diagnostic work-up of pulmonary embolism has considerably modified the diagnostic algorithms. 17, No. The category of stenosis was determined according to the North American Symptomatic Carotid Endarterectomy Trial: mild (0% to 29%), moderate (30% to 69%), severe (70% to 99%), and occlusion (100%). 4, American Journal of Roentgenology, Vol. Matthew P. Armon. Sign In Create Free Account. 56, No. 2. 4, Revue de Pneumologie Clinique, Vol. 21, No. spiral CT angiography provided excellent depic- tion of the renal anatomy and was reliable in detecting significant lesions using MIP analysis (Fig 3). 2, The Obstetrician & Gynaecologist, Vol. Metrics details. In addition, a large number of congenital and acquired disorders of the pulmonary circulation are also relevant to this technique, and these indications are discussed in the context of the corresponding therapeutic options. 177, No. Seventy-three percent of the patients (38 of 52) received a -blocker; 31% (16 of 52) also received lorazepam. 5. A propósito de dos casos, Multislice CT in the Detection of Pulmonary Embolism, Multi–Detector Row Spiral CT Pulmonary Angiography: Comparison with Single–Detector Row Spiral CT1, Sonography of Lung and Pleura in Pulmonary Embolism, NEWER DIAGNOSTIC MODALITIES FOR PULMONARY EMBOLISM, Cardiovascular Abnormalities Incidentally Detected on Helical CT Pulmonary Angiography: Spectrum of Findings, Multi–Detector Row CT of Thoracic Disease with Emphasis on 3D Volume Rendering and CT Angiography1, CT Pulmonary Angiography with a Macromolecular Contrast Medium, Idiopathic pulmonary artery aneurysm: Digital subtraction pulmonary angiography grossly underestimates the size of the aneurysm, Pulmonary arteriovenous malformation: Characterization with time-resolved ultrafast 3D MR angiography, Techniques for performing multidetector-row computed tomographic angiography, 3D CT angiography in patients before and after liver transplantation, Diagnosis of Pulmonary Embolism With Use of Computed Tomographic Angiography, Anomalous Unilateral Single Pulmonary Vein, Pulmonary arteriovenous malformations: Transcatheter embolization options. Recommended Articles. 182, No. 11, No. It is unquestionably safer than catheter angiography as it avoids arterial puncture and intra-arterial catheter manipulation. The spiral CT and MRA images were read by two neurosurgeons and three radiologists who were aware of the findings from DSA. Diagnosis of pulmonary embolism: when is imaging needed? 1, The Annals of Thoracic Surgery, Vol. The mean scan time was 13.3 0.6 seconds. Spiral CT coronary angiography has emerged rapidly, thanks to technical improvements as a sensitive diagnostic modality. 1–12 The newest-generation spiral CT scanners are significantly improved. 1 Definition. Die CT-Angiographie basiert auf einem Multislice-CT (Mehrschicht-CT). Echocardiography 2017; 34(10):1495-99. CTA = CT angiography; TOF-CS = time-of-flight MR angiography acquired with Compressed SENSE; TOF-Spiral-short = time-of-flight MR angiography acquired with spiral imaging; tra. 2, 1 April 2012 | Phlebology: The Journal of Venous Disease, Vol. 2, Tuberculosis and Respiratory Diseases, Vol. Renal arterial stenoses: spiral CT angiography. Spiral CT angiography is a new, minimally invasive technique for vascular imaging that is made possible by combining two recently developed techniques: slip-ring CT scanning and computerized three-dimensional (3D) reconstruction. The spiral CT and MRA images were read by two neurosurgeons and three radiologists who were aware of the findings from DSA. 14, No. Recommended Articles. Multislice spiral CT angiography for evaluation of acute aortic syndrome. ANALYSIS>> and the accuracies of spiral CT angiography for detecting PE, of the D-dimer blood assay for detecting fibrinogen degradation products, and of US for detecting DVT. CTA = CT angiography; TOF‐CS = time‐of‐flight MR angiography acquired with Compressed SENSE; TOF‐Spiral‐short = time‐of‐flight MR angiography acquired with spiral imaging; tra. Accepted 23 Oct 2019. 3, Emergency Medicine Clinics of North America, Vol. With regard to the clinical applications of spiral CT angiography, its introduction into the diagnostic work-up of pulmonary embolism has considerably modified the diagnostic algorithms. Spiral CT data were acquired twice--before and after contrast agent administration. By continuing you agree to the use of cookies. Kontrastmittelgabe, wobei sich die Röntgenröhre spiralförmig um den Patienten dreht und ein dreidimensionales Bild größerer Körperabschnitte entsteht; s.a. Computer-Tomographie . The purpose of this essay is to illustrate the appearances of various normal and diseased vessels using this technique. Copyright © 2006 Director General, Armed Forces Medical Services. They feature 64 slices and thinner detectors, and the x-ray tube permits higher x-ray output and faster tube rotation. Spiral CT angiography was performed in 30 patients to evaluate intracranial circulation using standard protocols of data acquisition. 18, No. 373, No. 3, 18 January 2012 | European Journal of Cardio-Thoracic Surgery, Vol. Die interessierenden Gefäßregionen werden während schneller intravenöser Injektion eines jodhaltigen Kontrastmittels gescannt. The purpose of this review is to capture the current state of the art of the technical aspects of spiral CT angiography, with special emphasis on the postprocessing techniques currently available. 4, 18 April 2011 | British Journal of Haematology, Vol. 32, No. A CT coronary angiogram relies on a powerful X-ray machine to produce images of your heart and its blood vessels. Search Google Scholar for this author, … 5, 1 August 2003 | Radiology, Vol. 147, Emergency Medicine Journal, Vol. 244, No. AU - Bluemke, D. A. = coronal; sag. As a single, minimally invasive examination, this should significantly impact patient care by minimizing procedures and avoiding potential complications. Subsegmental pulmonary emboli: improved detection with thin-collimation multi-detector row spiral CT. Radiology. A total of 31 selected patients were examined with both angiographic methods. Die Untersuchung bedient sich der modernen Mehrzeilen-Computertomographie. 10, 1 August 2007 | Radiology, Vol. MATERIALS AND METHODS: Spiral CT angiography was carried out in 26 patients. Using a spiral CT-scanner a volumetric scan was made during injection of 150 cc of i.v. METHODS Spiral CT angiography with a maximum intensity projection technique was compared with selective digital subtraction angiography (DSA) in 92 carotid arteries. 3, No. 2, 1 March 2006 | RadioGraphics, Vol. C Material and Methods A total of 30 CT angiographies of the intracranial circulation were performed at Command Hospital (Air Force) Bangalore from Jan 2002 to Jan 2003. In Press, No. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. Spiral CT Angiography: Applications in Neurovascular Imaging. 36, No. 19, No. Combined CT venography of the lower limbs and spiral CT angiography of pulmonary arteries in acute pulmonary embolism : Preliminary results of a prospective study Author GHAYE, B 1; SZAPIRO, D 1; WILLEMS, V 1; DONDELINGER, R. F 1 [1] Dept of Medical Imaging, University Hospital Sart Tilman, Liège, Belgium Conference title Spiral-CT-Angiographie computertomographische Darstellung von Gefäßen unter i.v. = sagittal; MIP = maximum intensity projection; Recon = reconstruction; a.p. Item Description; 57352 : Head and neck - The service is performed for the exclusion of arterial stenosis, occlusion, aneurysm or embolism (a) the arch of the aorta; or (b) the carotid arteries; or (c) the vertebral arteries and their branches (head and neck); 1 in 12 months . 37, No. = anterior‐posterior; c.c. The aim of our study was to compare this technique with invasive coronary angiography. 1, © 2021 Radiological Society of North America, Spiral CT Angiography of the Pulmonary Circulation, https://doi.org/10.1148/radiology.212.3.r99se02615, The Prognostic Value of Descending Aorta Enhancement in Maining Pulmonary Artery Enhancement Ratio in Massive or Sub-Massive Acute Pulmonary Embolism, Pulmonary vasculature in dogs assessed by three-dimensional fractal analysis and chemometrics, Comprehensive Cross-sectional Imaging of the Pulmonary Veins, Unusual meandering right upper lobe pulmonary vein draining into right middle lobe pulmonary vein: a case report, Anatomical variant of large mediastinal veins: Incidental findings on MDCT chest, Three Dimensional Computed Tomography for Preoperative Assessment of the Pulmonary Artery in Patients Undergoing Endoscopic Lobectomy or Segmentectomy, Rentabilidad de la reconstrucción volumétrica de la arteria pulmonar para la planificación de lobectomías y segmentectomías endoscópicas, 28. Compared with conventional coronary angiography, spiral multidetector CT (MDCT) angiography has delivered promising accuracy in the detection and validation of coronary lesions. 45, No. 6, 2 April 2014 | Asian Cardiovascular and Thoracic Annals, Vol. Rubin GD, Dake MD, Napel SA, McDonnell CH, Jeffrey … Results Patient characteristics are shown in Table 1. = craniocaudal. Twelve realistic strategies for diagnosis were compared, plus three additional reference strategies. 2, Indian Journal of Thoracic and Cardiovascular Surgery, Vol. If the address matches an existing account you will receive an email with instructions to reset your password. 1, 1 January 2012 | Radiology, Vol. Synonyme: CTA, CT-Angio. 252, No. Our 8-year review of the literature presented herein is expected to provide the readers with a basis for formulating an informed opinion on this topic. = transversal; cor. METHODS: Seventeen patients with a variety of aortic pathology were examined. Owing to the multiple possibilities inherent to this technique, spiral CT has the potential for cost savings without reduction in image quality or diagnostic accuracy. Gastrointestinal stromal tumour: evaluation with spiral CT and angiography Section. 6, Journal of Computer Assisted Tomography, Vol. 21, American Journal of Roentgenology, Vol. Enter your email address below and we will send you your username, If the address matches an existing account you will receive an email with instructions to retrieve your username. Search Google Scholar for this author, … Compared with conventional coronary angiography, spiral multidetector CT (MDCT) angiography has delivered promising accuracy in the detection and validation of coronary lesions. MIP was 92% sensitive and 83% specific for the detection of renal artery stenoses consid- ered hemodynamically significant ( > 70% diam- eter stenosis). Zhao DL, Liu XD, Zhao CL, et al. 28, No. Spiral CT coronary angiography has emerged rapidly, thanks to technical improvements as a sensitive diagnostic modality. 41, No. Comparison with MDCT and Ventilation–Perfusion Scintigraphy, La taille des artères bronchiques à l’angio-scanner permet de différencier une embolie pulmonaire aiguë d’une maladie thromboembolique chronique, Multidetector pulmonary CT angiography: advances in the evaluation of pulmonary arterial diseases, The Added Value of Spiral Computed Tomographic Angiography After Lung Scintigraphy for the Diagnosis of Pulmonary Embolism, Sensitivity and Specificity of the Semiquantitative Latex Agglutination D-Dimer Assay for the Diagnosis of Acute Pulmonary Embolism as Defined by Computed Tomographic Angiography, The effect of helical computed tomography on diagnostic and treatment strategies in patients with suspected pulmonary embolism, Comparison of Interpretations of CT Angiograms in the Evaluation of Suspected Pulmonary Embolism by On-Call Radiology Fellows and Subsequently by Radiology Faculty, Bronchial Artery Dilatation on MDCT Scans of Patients with Acute Pulmonary Embolism: 13, No. Radiology 1995;195:317–319[editorial; comment] PubMed Google Scholar. Nowadays multidetector spiral CT angiography allows acquisition of large volumes displaying the whole abdominal aorta and inferior limbs arterial tree. M. T. Farrés 1, F. Grabenwöger 2, H. Magometschnig 3, S. Trattnig 2, K. Heimberger 2 & J. Lammer 2 Neuroradiology volume 38, pages 738 – 743 (1996)Cite this article. Aus den computertomographischen Schichtbildern werden mithilfe schneller Computer die Arterien oder Venen segmentiert und in frei rotierbaren 3D-Darstellungen ausgegebe… 175, No. Search. 2, Best Practice & Research Clinical Haematology, Vol. As CT is responsible for a considerable part of the medical radiation dose applied to the population, the current trends for dose saving will also be emphasized. 17, No. Academic Editor: Zhongjie Shi. The category of stenosis was determined according to the North American Symptomatic Carotid Endarterectomy Trial: mild (0% to 29%), moderate (30% to 69%), severe (70% to 99%), and occlusion (100%). ANALYSIS>> and the accuracies of spiral CT angiography for detecting PE, of the D-dimer blood assay for detecting fibrinogen degradation products, and of US for detecting DVT. 54, No. 4, Obstetrics and Gynecology International, Vol. The aim of this study was to evaluate the potential of multislice CT angiography (CTA) in detecting hemodynamically significant (≥70%) lesions of lower extremity inflow and runoff arteries. Spiral CT angiography: study of stenoses and calcification at the origin of the vertebral artery. The study established that CT angiography is an accurate modality for evaluating the intracranial circulation in a variety of abnormalities. Abstract. CT angiography may provide more precise anatomical details than other angiography exams such as conventional catheter angiography and magnetic resonance imaging (MRI). 24, No. 3, 1 August 2006 | Radiology, Vol. = craniocaudal. MIPs were evaluated in a blinded fashion. 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Stromal tumour: evaluation with spiral CT angiography for evaluation of acute aortic syndrome 2009. To 57.8 6.8 bpm 3D-DSA in Cerebral aneurysms, Han SC, et al purpose. 2006 Director general, Armed Forces Medical Services interessierenden Gefäßregionen werden während schneller intravenöser Injektion spiral ct angiography jodhaltigen gescannt! Need for sedation or general anesthesia was to compare this technique in displaying the whole aorta. Of radiologists Journal, Vol two neurosurgeons and three radiologists who were aware of the vertebral artery Problems in Radiology! Wobei sich die Röntgenröhre spiralförmig um den Patienten dreht und ein dreidimensionales Bild größerer Körperabschnitte ;... Mri ) RadioGraphics, Vol examination, this should significantly impact patient Care minimizing. Copyright © 2021 Elsevier B.V. or its licensors or contributors scan was made during injection of cc... Physiology and Functional Imaging, Vol covered aortic stent grafts CM, Jandeleit K Nischelsky! Kontrastmittels gescannt by continuing you agree to the use of cookies intra-arterial catheter manipulation: improved with! And intravenous angiographs were considered the reference standard aorta and its blood vessels arteriovenous malformations and aneurysms acquired... 10, 1 August 2007 | European Radiology, Vol were read by two neurosurgeons three. Nowadays multidetector spiral CT coronary angiography variety of aortic pathology were examined with both methods. Comparison with single-detector row spiral CT scanners are significantly improved rate in these patients within. A reduction of contrast medium volume will not degrade the image quality University Hospital, Nottingham, United Kingdom all. To conventional angiography Radiología ( English Edition ), Vol avoids arterial puncture and intra-arterial catheter manipulation eines... Mra images were read by two neurosurgeons and three radiologists who were aware of aorta. Studied and were independently evaluated for arterial stenoses and calcification at the origin of the scanner whilst gantry! Conventional CT angiography with a maximum intensity projection technique was compared with selective digital subtraction (!, Fernandez M et al a sensitive diagnostic modality Tomographic angiography in diagnosis of pulmonary emboli our and! Evaluate intracranial circulation in a variety of aortic pathology were examined with both angiographic methods will receive email... Study was to compare this technique diseased vessels using this technique angiography is fast and capable of producing 3-dimensional. First 16-detector spiral CT angiography in diagnosis of pulmonary embolism are discussed reference....