Digital subtractionMagnetic Resonance AFluoresceinStandard angiographyCCTADiagnosticCardiac CatheterizationOCTAInvasive angiographyImmediate angiographyRadionuclide angiographyIndocyanineVascularNoninvasivePatientsArteriographyTomographyDiagnosis2017EndovascularCerebral aneurysmsAngiogramInterventionLesionsAcuteRoutineCatheterizationSpecificityArteriesBlood vesselInterventionalPulmonaryContrastArteriovenous MalformationsSurvivalOutcomesVisualizationVeinsCardiovascularStudyMyocardialAngiographic
Digital subtraction6
- For all structures except the heart, the images are usually taken using a technique called digital subtraction angiography or DSA. (wikipedia.org)
- One common cerebral angiographic procedure is neuro-vascular digital subtraction angiography. (wikipedia.org)
- With the advent of digital subtraction angiography (DSA) in 1980, CO 2 angiography became a useful diagnostic tool, particularly in patients who were hypersensitive to iodinated contrast material or whose renal function was compromised. (medscape.com)
- Researchers from China performed a retrospective study to assess the accuracy of CT angiography for the diagnosis of cerebral aneurysms that were 5 mm or smaller, using digital subtraction angiography (DSA) as a reference standard. (diagnosticimaging.com)
- Is Distortion Correction Necessary for Digital Subtraction Angiography in the Gamma Knife Treatment of Intra-Cranial Arteriovenous Malformations? (karger.com)
- The published literature maintains that distortion correction of digital subtraction angiography is essential for accurate definition of the arteriovenous malformation (AVM) nidus when performing Gamma Knife radiosurgery. (karger.com)
Magnetic Resonance A4
- PURPOSE: To develop a method for acquiring whole-heart 3D image-based navigators (iNAVs) with isotropic resolution for tracking and correction of localized motion in coronary magnetic resonance angiography (CMRA). (sutterhealth.org)
- Magnetic resonance angiography (MRA) is an MRI exam of the blood vessels. (ucsfbenioffchildrens.org)
- Other studies that may be considered are computed tomography angiography (CTA), magnetic resonance angiography (MRA), and duplex ultrasonography. (medscape.com)
- Magnetic resonance imaging (MRI) with and without contrast and magnetic resonance angiography (MRA) studies of her brain were normal, and the patient was sent home. (cdc.gov)
Fluorescein9
- At present, there is no consensus regarding the precise indications for OCT A, especially with respect to other widely available imaging modalities such as spectral domain OCT, fluorescein angiography, and indocyanine green angiography. (hindawi.com)
- Zakov ZN, Lewis ML. Iris fluorescein angiography in diabetic vitrectomy patients. (unboundmedicine.com)
- TY - JOUR T1 - Iris fluorescein angiography in diabetic vitrectomy patients. (unboundmedicine.com)
- Patel CK, Fung THM, Muqit MMK, Mordant DJ, Geh V. Non-contact ultra-widefield retinal imaging and fundus fluorescein angiography of an infant with incontinentia pigmenti without sedation in an ophthalmic office setting. (optos.com)
- Angiography of the eye typically uses fluorescein or ICG dyes to show the contrast. (azooptics.com)
- A retinal fluorescein angiography is not a procedure that is completely devoid of risks. (medicalhealthtests.com)
- A fluorescein angiography procedure is performed by an ophthalmologist along with another doctor like a surgeon being close by to monitor for side-effects to the dye. (medicalhealthtests.com)
- Fluorescein angiography interpretation of results is quite complicated. (medicalhealthtests.com)
- Fluorescein angiography in the differential diagnosis of sclerokeratitis. (bmj.com)
Standard angiography2
- Although pressure wire-based physiological assessment with fractional flow reserve (FFR) and instantaneous wave-free ratio (IFR) more accurately identify flow-limiting lesions than standard angiography and have been shown to improve outcomes after PCI, the authors note that it's underused in practice because of prolonged procedural time, potential pressure wire complications, and side effects from hyperemic agents. (medscape.com)
- In a small, nonrandomized study, [ 11 ] CE detects more lesions than CT or standard angiography in patients with OGIB. (medscape.com)
CCTA4
- Coronary computed tomography angiography (CCTA) is a noninvasive method to image the coronary arteries. (medscape.com)
- Coronary computerized tomography angiography (CCTA) is a heart scan or imaging test that helps diagnose plaque buildup and consequent narrowing of the coronary arteries (the blood vessels that supply the heart). (hdkino.org)
- A coronary CT angiography (CCTA) is generally done in the doctor's office or hospital. (hdkino.org)
- Coronary CT angiography (CCTA) has been proposed as a good method to quickly establish the presence or absence of coronary disease and allow many of these patients to return home sooner. (cardiobrief.org)
Diagnostic10
- 1601 of these were diagnostic angiographies, 526 endovascular and 841 nonvascular interventions. (nih.gov)
- Osborn AG, Diagnostic Cerebral Angiography. (ajnr.org)
- Since that time, cerebral angiography has become somewhat more focussed in its diagnostic scope, and is clearly relegated specifically to diseases of the blood vessels. (ajnr.org)
- OCTA enables the capture of volumetric angiography in just a few seconds, offering parallel tissue structure and blood flow information for research and diagnostic purposes. (azooptics.com)
- The condition may have been missed had conventional angiography been the only diagnostic examination performed. (ajnr.org)
- Purpose The Coronary Artery disease Risk Determination In Innsbruck by diaGnostic ANgiography (CARDIIGAN) cohort is aimed to gain a better understanding of cardiovascular risk factors and their relation to the diagnosis and severity of coronary artery disease, as well as to the long-term prognosis in consecutive (including revascularised) patients referred for elective coronary angiography. (bmj.com)
- The diagnostic yield of immediate CE was significantly higher than angiography (53.3% vs. 20.0%, P =0.016). (medscape.com)
- In patients with overt OGIB, immediate CE has higher diagnostic yield and comparable long-term outcomes when compared with angiography. (medscape.com)
- We compared the diagnostic yield as well as the long-term clinical outcomes of patients with overt OGIB randomized to CE or angiography. (medscape.com)
- To determine the best combination of parameters that would improve the diagnostic performance of exercise testing, coronary angiography plus exercise testing were done on 112 patients with angina pectoris and normal electrocardiogram. (who.int)
Cardiac Catheterization1
- He was transferred to the cardiac catheterization laboratory for angiography and a stent was placed. (cdc.gov)
OCTA4
- Multi-modality retinal imaging with OCT Angiography (OCTA) enables you to capture ultra-clear images of retinal and choroidal microvasculature in seconds. (zeiss.com)
- OCT angiography (OCTA) relates to a class of medical imaging techniques that facilitates the visualization of blood vessels in living tissue. (azooptics.com)
- OCTA combines all of the desirable features of optical coherence tomography and brings them to the field of angiography. (azooptics.com)
- Recently, optical coherence tomography angiography (OCTA) has been introduced as a novel depth-resolved non- invasive technique of retinal vascular imaging. (frontiersin.org)
Invasive angiography4
- Different imaging modalities have been used to diagnose DR and DME, including invasive and non-invasive angiography. (frontiersin.org)
- If the suspicion of disease requiring intervention is high then invasive angiography is preferred at present because angioplasty if indicated can be done in the same sitting and an angiogram will not have to be repeated. (ndtv.com)
- 22.3% of patients in the CT group underwent invasive angiography, 72.5% of whom were found to have obstructive CAD. (the-hospitalist.org)
- Using CT angiography to evaluate for obstructive CAD in patients with stable intermediate-risk chest pain is as safe as invasive angiography in preventing major adverse cardiac events over 3.5 years when performed at certified centers with qualified radiologists. (the-hospitalist.org)
Immediate angiography2
- The COACT trial showed that immediate angiography with an intent to revascularize is not superior to delayed angiography among patients presenting with out-of-hospital cardiac arrest secondary to a shockable rhythm and with no ECG evidence of ST-segment elevations post-ROSC. (acc.org)
- With the immediate angiography strategy, there is a trivial benefit on recurrent ischemia and length of stay, like in the previous studies, thus not related to pretreatment," he said. (the-hospitalist.org)
Radionuclide angiography1
- The term angiography has been applied to radionuclide angiography and newer vascular imaging techniques such as CO2 angiography, CT angiography and MR angiography. (wikipedia.org)
Indocyanine2
- Is indocyanine green angiography useful for the diagnosis of macular telangiectasia type 2? (bmj.com)
- In an era of indocyanine angiography (ICG), the routine use of intra-operative angiography (IOA) in the surgical treatment of intracranial aneurysms and arteriovenous malformation (AVM) is controversial. (cns.org)
Vascular8
- Now, with the availability of high-resolution DSA and a reliable gas delivery system, CO 2 angiography has become widely used for vascular imaging and endovascular procedures. (medscape.com)
- A thorough understanding of the unique physical properties of CO 2 is necessary for the safe and effective performance of CO 2 angiography and CO 2 -guided vascular interventions. (medscape.com)
- Optical coherence tomography angiography (OCT A) is an emerging technology to image the vascular system of the eye. (hindawi.com)
- Angiography is the X-ray study of blood vessels and is used to detect heart or vascular disease. (sjog.org.au)
- We offer access to the latest angiography technology, as well as leading medical experts including cardiologists, vascular surgeons, radiologists and other heart specialists. (sjog.org.au)
- Some consider CTA to rival conventional angiography in the evaluation of some vascular disorders of the brain and head and neck. (ajnr.org)
- Systematic strategy of prophylactic coronary angiography improves long-term outcome after major vascular surgery in medium- to high-risk patients: a prospective, randomized study. (medscape.com)
- The networks were trained to detect coronary artery disease in two vascular territories using coronary angiography as gold standard. (lu.se)
Noninvasive2
- Since then, especially in the last few years, various alternative and noninvasive imaging techniques for angiography have been developed to attempt even to replace angiography while still demonstrating diseases of blood vessels. (ajnr.org)
- Unlike traditional angiography that involves placing a tube (catheter) into the body, MRA is noninvasive. (ucsfbenioffchildrens.org)
Patients25
- Twenty-seven patients with known CAD were examined with a targeted, navigator-gated, free-breathing, steady-state free precession MR angiography sequence (repetition time = 5.6 milliseconds, echo time = 2.8 milliseconds, flip angle 110 degrees ) and 16-slice coronary CT angiography. (nih.gov)
- For patients with previous coronary artery bypass grafting, CT cardiac angiography (CTCA) reduced procedure times and complications compared with invasive coronary angiography, a single-center randomized trial showed. (medpagetoday.com)
- This is a retrospective analysis of the clinical data of patients with acute coronary syndrome (ACS) who had coronary angiography in order to investigate the clinical characteristics of the patients with ACS and chronic kidney disease, providing the theory support for the clinical diagnosis and treatment of these high-risk patients with ACS. (uwi.edu)
- The study group included 1,366 patients who underwent both CT angiography and DSA. (diagnosticimaging.com)
- Methods - The temporal growth in the use of coronary angiography services and the use of statins after an acute myocardial infarction (AMI) was determined for all patients older than 65 years admitted to any hospital in Ontario, Canada, between 1992 and 2004. (ices.on.ca)
- The goal of the trial was to compare the safety and efficacy of emergent coronary angiography with percutaneous coronary intervention (PCI) if indicated compared with delayed angiography among patients presenting with out-of-hospital cardiac arrest who did not have ST-segment elevation on electrocardiogram (ECG) post-return of spontaneous circulation (ROSC). (acc.org)
- Eligible patients were randomized in a 1:1 fashion to either emergent angiography (n = 273) or delayed angiography (n = 265). (acc.org)
- Only 5% of patients had evidence of a true thrombotic lesion on angiography. (acc.org)
- Coronary Angiography After Cardiac Arrest - The Right Timing or the Right Patients? (acc.org)
- Liu K, Huizhuo X, Jiang H, Wang H, Wang Pin, Yi X, Li F, Bei X, Yao X, Zou J (2020) Macular vessel density and foveal avascular zone parameters in patients after acute primary angle closure determined by OCT angiography. (springer.com)
- In elderly patients, transradial coronary angiography and intervention has a high technical success rate and lower complication rates than the transfemoral approach. (ptca.org)
- Is it safe to perform computed tomography (CT) coronary angiography to rule out obstructive coronary artery disease (CAD) in patients with stable intermediate-risk chest pain instead of proceeding to invasive coronary angiography (ICA)? (the-hospitalist.org)
- CT angiography identifies patients who are appropriate candidates for coronary revascularization. (the-hospitalist.org)
- 3,561 patients with intermediate (10-60%) pretest probability of obstructive CAD who were referred to angiography centers were randomly assigned to invasive or CT angiography. (the-hospitalist.org)
- Details of leading international hospitals performing Coronary Angiography to foreign patients. (health-tourism.com)
- The angiographic data of 7200 adult patients undergoing coronary angiography were retrospectively analysed for the diagnosis of myocardial bridge. (annals.edu.sg)
- Each of these patients with myocardial bridge was referred for angiography because of symptom of chest pain alone or symptom of chest pain, palpitations and dyspnoea. (annals.edu.sg)
- Chest pain was the common reason for angiography in patients with myocardial bridge. (annals.edu.sg)
- Both capsule endoscopy (CE) and angiography have been recommended as first investigation for patients with acute overt obscure gastrointestinal bleeding (OGIB). (medscape.com)
- Consecutive patients presented with acute melena or hematochezia, but nondiagnostic upper and lower endoscopy, were immediately randomized to receive small-bowel CE or angiography. (medscape.com)
- [ 2 ] In particular, patients with massive bleeding are recommended to undergo angiography. (medscape.com)
- However, all patients received angiography before CE and the real clinical impact of CE in patients with active OGIB remains undetermined. (medscape.com)
- In this study, we prospectively randomized patients with active overt OGIB to receive either immediate CE or angiography. (medscape.com)
- In a study comparing systematic (routine) coronary angiography with selective coronary angiography in patients undergoing surgical treatment of PAOD, Monaco et al found that routine angiography had a positive impact. (medscape.com)
- A population of 135 patients who had undergone both myocardial technetium-99m-sestamibi rest-stress scintigraphy and coronary angiography within 3 months was studied. (lu.se)
Arteriography3
- Angiography or arteriography is a medical imaging technique used to visualize the inside, or lumen, of blood vessels and organs of the body, with particular interest in the arteries, veins, and the heart chambers. (wikipedia.org)
- Because the use of CO 2 is not associated with nephrotoxicity or allergic reactions, it is increasingly being used as a contrast agent for aortography, as well as for outflow assessment, renal arteriography, and visceral angiography. (medscape.com)
- Angiography in arteries is called arteriography. (msdmanuals.com)
Tomography3
- Optical coherence tomography angiography (OCT-A) was performed to analyze the macular whole image vessel density (wiVD) and parafoveal vessel density (pfVD). (springer.com)
- Wang X, Jiang C, Kong X, Yu X, Sun X (2017) Peripapillary retinal vessel density in eyes with acute primary angle closure: an optical coherence tomography angiography study. (springer.com)
- To more accurately trigger cardiac computed tomography angiography (CTA) than electrocardiography (ECG) alone, a sub-system is proposed as an intermediate step toward fusing ECG with seismocardiography (SCG). (embs.org)
Diagnosis3
- There were no differences for the sensitivities of CT angiography for diagnosis of aneurysms in the anterior versus posterior circulation. (diagnosticimaging.com)
- CHICAGO - Coronary angiography within 2 hours of a diagnosis of non-ST-segment elevation acute coronary syndrome (NSTE-ACS) significantly reduced the risk of recurrent ischemic events as compared to angiography delayed for 12 hours or more, based on the results of the EARLY trial presented at the American Heart Association scientific sessions. (the-hospitalist.org)
- Angiography is still the criterion standard arterial imaging study for the diagnosis of PAOD (see the image below). (medscape.com)
20171
- For healthcare providers seeking versatile imaging technology for all angiography needs, Toshiba America Medical Systems Inc. will demonstrate its Infinix-i Dual Plane at this year's New Cardiovascular Horizons (NCVH) 2017 annual meeting in New Orleans. (24x7mag.com)
Endovascular1
- In addition, somewhat in the other direction, as a real extension of the techniques of catheter angiography, endovascular therapeutic approaches have advanced by leaps and bounds, requiring a sufficient number of skilled neuroangiographers to continue to apply these treatments further and safely. (ajnr.org)
Cerebral aneurysms2
- CT angiography can help clinicians detect cerebral aneurysms smaller than 3 mm. (diagnosticimaging.com)
- CT angiography accurately detects small cerebral aneurysms smaller than 3 mm, according to a study published in Radiology . (diagnosticimaging.com)
Angiogram2
- Radial access technique for angiography can be traced back to 1989, when Lucien Campeau first cannulated the radial artery to perform a coronary angiogram. (wikipedia.org)
- What is angiography (angiogram)? (msdmanuals.com)
Intervention1
- Usually an angiography by traditional method will be repeated if CT angio shows significant problem needing intervention. (ndtv.com)
Lesions1
- The intent of angiography was to revascularize any possible culprit lesions, either with PCI or coronary artery bypass grafting. (acc.org)
Acute2
- Coronary angiography following acute myocardial infarction in Ontario, Canada. (ices.on.ca)
- The current guidelines are based on limited data and there is no prospective randomized study directly comparing angiography with CE in the setting of acute bleeding. (medscape.com)
Routine5
- 001). The inflection point for post-AMI angiography service use was September 1998, 11 months before the publication of the first positive randomized controlled trial demonstrating benefit of routine post-AMI angiography. (ices.on.ca)
- Is CT angiography better than routine coronary angiography? (ndtv.com)
- Home » Frequently asked Questions on Health » Is CT angiography better than routine coronary angiography? (ndtv.com)
- Both CT angio and routine coronary angiography have the same goal i.e. visualise the native arteries and the grafts. (ndtv.com)
- [ 6 ] Routine coronary angiography improved survival significantly, and no deaths or cardiovascular events were reported. (medscape.com)
Catheterization1
- As part of a pilot program, the hospital has outfitted its catheterization and angiography laboratory with five of the tablet computers. (blogspot.com)
Specificity1
- Segment-based sensitivity, specificity, and accuracy for the detection of stenoses larger than 50% were determined as defined by the gold standard catheter coronary angiography along with the subjective image quality (Grade 1-4). (nih.gov)
Arteries4
- Extremity angiography is a test used to see the arteries in the hands, arms, feet, or legs. (medlineplus.gov)
- Angiography uses x-rays and a special dye to see the insides of the arteries. (medlineplus.gov)
- Usually doctors do angiography in arteries. (msdmanuals.com)
- abstract = 'Multi-frame X-ray images (videos) of the coronary arteries obtained using coronary angiography (CAG) provide detailed information about the anatomy and blood flow in the coronary arteries and play a pivotal role in diagnosing and treating ischemic heart disease. (ku.dk)
Blood vessel3
- Modern angiography is performed by injecting a radio-opaque contrast agent into the blood vessel and imaging using X-ray based techniques such as fluoroscopy. (wikipedia.org)
- Coronary angiography can visualize coronary artery stenosis, or narrowing of the blood vessel. (wikipedia.org)
- The objective of any angiography technique is to differentiate the blood vessel network from the surrounding tissue. (azooptics.com)
Interventional2
- The aim of this study was to analyse the costs of the interventional radiology unit and to identify the cost factors in the different activities of catheter-based angiographies and interventional radiology. (nih.gov)
- The patient was referred to the interventional neuroradiology unit for angiography and embolization because of uncontrolled oral bleeding around the packing material. (ajnr.org)
Pulmonary1
- Pulmonary angiography is used to visualise the anatomy of pulmonary vessels. (wikipedia.org)
Contrast4
- Generally, angiography is conducted by manipulating a conventional medical imaging technique to offer a contrast for the blood vessels. (azooptics.com)
- A significant benefit that OCT-based angiography delivers is that there is no need to introduce any additional contrast agent. (azooptics.com)
- The addition of greater contrast, particularly for angiography, is expected to expand the application potential for OCT. (azooptics.com)
- OCT angiography image of mouse retina shows both large and micro-vessels at different depth locations using intrinsic contrast only. (azooptics.com)
Arteriovenous Malformations2
- The technique was first developed in 1927 by the Portuguese physician and neurologist Egas Moniz at the University of Lisbon to provide contrasted X-ray cerebral angiography in order to diagnose several kinds of nervous diseases, such as tumors, artery disease and arteriovenous malformations. (wikipedia.org)
- Cerebral angiography provides images of blood vessels in and around the brain to detect abnormalities, including arteriovenous malformations and aneurysms. (wikipedia.org)
Survival1
- The primary outcome, survival to 90 days for immediate vs. delayed angiography, was 64.5% vs. 67.2% (p = 0.51). (acc.org)
Outcomes1
- Coronary Angiography After Cardiac Arrest Without ST Segment Elevation: One-Year Outcomes of the COACT Randomized Clinical Trial. (acc.org)
Visualization1
- The proposed strategy is called Effective Load Balancing (ELB) for parallel visualization of blood head vessel angiography on cluster of PC and WS. (scialert.net)
Veins2
- Less often, doctors do angiography in veins. (msdmanuals.com)
- Angiography in veins is called venography. (msdmanuals.com)
Cardiovascular1
- In an accompanying commentary , Robert A. Byrne, MBBCh, PhD, and Laurna McGovern, MB BCh, both from the Cardiovascular Research Institute Dublin in Ireland, say the results are "relevant for cardiovascular disease researchers and clinicians and an important step forward for the field of angiography-derived flow measurements for guidance of PCI. (medscape.com)
Study1
- Angiography is the recommended imaging study. (medscape.com)
Myocardial2
- Little is known of the clinical significance of myocardial bridges, which may be recognised as the narrowing of the systolic coronary artery as seen in an angiography. (annals.edu.sg)
- Myocardial bridge was present in 29 (0.4%) of the 7200 coronary angiographies. (annals.edu.sg)
Angiographic1
- PCI in the angiography-guided group was performed on the basis of visual angiographic assessment only. (medscape.com)