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Angiography Procedures News
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All Recent Angiography Procedures News |
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New 2010 ESC Guidelines For Percutaneous Coronary Interventions Reinforce Importance Of FFR In Treatment Of Coronary Artery Disease
St. Jude Medical, Inc. (NYSE:STJ) applauds the updated class and level of evidence for Fractional Flow Reserve (FFR)-guided treatment in the Guidelines on Percutaneous Coronary Intervention (PCI) announced Monday at the European Society of Cardiology (ESC) congress in Stockholm. Supporting this change are the very strong one and two year data from the landmark FAME (Fractional Flow Reserve (FFR) vs. Angiography in Multivessel Evaluation) trial, which demonstrated improved outcomes for patients with multivessel coronary artery disease whose treatment was guided by St... (Source: Health News from Medical News Today)...
POSTED 09/01/2010 at 08:00 AM --
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Subsegmental pulmonary embolism may not be clinically relevant
Multiple-detectors computed tomographic pulmonary angiography increases the proportion of patients diagnosed with subsegmental pulmonary embolism without changing the 3-month risk for venous thromboembolism, suggesting that the disease may not be clinically relevant, researchers report. (Source: MedWire News - Thrombosis)...
POSTED 09/01/2010 at 03:28 AM --
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Instantaneous coronary collateral function during supine bicycle exercise
Conclusion
In patients with non-occlusive CAD, collateral flow instantaneously doubles during supine bicycle exercise as compared with the resting state.
ClinicalTrials.gov Identifier: NCT00947050. (Source: European Heart Journal)...
POSTED 09/01/2010 at 02:09 AM --
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A method for standardized computed tomography angiography-based measurement of aortic valvar structures
Conclusion
This method showed a high degree of inter-rater reliability and absolute agreement for AVAp diameters. Agreement was lower for AA–LV angle and distance to coronary artery measurements, emphasizing the need for software improvements and standardized image acquisition protocols. (Source: European Heart Journal)...
POSTED 09/01/2010 at 02:09 AM --
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Relative Contribution of VEGF and TNF-{alpha} in the Cynomolgus Laser-Induced CNV Model: Comparing the Efficacy of Bevacizumab, Adalimumab, and ESBA105 [Retina]
Conclusions.
TNF- contributes to laser-induced CNV formation, and its inhibition can be a new therapeutic target for CNV. This study suggests TNF- as another therapeutic target for the prevention and treatment of CNV and adds to the emerging clinical data suggesting the therapeutic value of TNF- inhibitors in age-related macular degeneration (AMD). Further, this study shows that topical therapy with suitable antibody fragments has the potential of being introduced to retinal disease treatment regimens. (Source: Investigative Ophthalmology)...
POSTED 08/30/2010 at 05:19 PM --
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The PROM1 Mutation p.R373C Causes an Autosomal Dominant Bull's Eye Maculopathy Associated with Rod, Rod-Cone, and Macular Dystrophy [Retina]
Conclusions.
Mutations in PROM1 have been described to cause a severe form of autosomal recessive RP in two families of Indian and Pakistani descent. The results of this study have demonstrated that a distinct redundant PROM1 mutation (R373C) can also produce an autosomal dominant, fully penetrant retinopathy, characterized by BEM with little inter- and intrafamilial variability, and retinal dystrophy with variable rod or rod–cone dysfunction and marked intra- and interfamilial variability, ranging from isolated maculopathy without generalized photoreceptor dysfunction to maculopathy associated with very severe rod–cone dysfunction. (Source: Investigative Ophthalmology)...
POSTED 08/30/2010 at 05:19 PM --
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Intravitreal Bevacizumab for Subfoveal Choroidal Neovascularization Associated with Pattern Dystrophy [Clinical Trials]
Conclusions.
Intravitreal bevacizumab injection is a beneficial treatment for subfoveal CNV associated with PD. Further studies are warranted to confirm these initial results and to analyze the morphofunctional changes during the follow-up. (ClinicalTrials.gov number, NCT00391144.) (Source: Investigative Ophthalmology)...
POSTED 08/30/2010 at 05:19 PM --
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Metabolic syndrome predicts vascular changes in whole body magnetic resonance imaging in patients with long standing diabetes mellitus
Conclusion:
In this high-risk diabetic population, WB-MRA revealed large heterogeneity in the degree of systemic atherosclerosis. Presence and number of traits of the MetS are associated with the extent of atherosclerotic burden. These results support the perspective that diabetic patients are a heterogeneous population with increased but varying prevalence of atherosclerosis and risk. (Source: Cardiovascular Diabetology)...
POSTED 08/29/2010 at 06:00 PM --
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Antepartum intracranial hemorrhage due to unrecognized unilateral moyamoya disease: a case report
Conclusions Moyamoya disease is a rare entity that must be considered in the differential diagnosis of hemorrhagic stroke during pregnancy.
It is important to perform careful monitoring and adequate management with cooperation between obstetricians and other specialists
when serious complications arise.
Content Type Journal ArticleDOI 10.1007/s00404-010-1654-3Authors
Jun Kakogawa, Department of Obstetrics and Gynecology, National Center for Global Health and Medicine, 1-21-1, Toyama, Shinjuku-ku, Tokyo, 162-8655 JapanMiyuki Sadatsuki, Department of Obstetrics and Gynecology, National Center for Global Health and Medicine, 1-21-1, Toyama, Shinjuku-ku, Tokyo, 162-8655 JapanNorio Masuya, Department of Obstetrics and Gynecology, National Center for Global Health and Med......
POSTED 08/28/2010 at 12:02 PM --
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Iodine contrast iso-attenuating with diagnostic gadolinium doses in CTA and angiography results in ultra-low iodine doses. A way to avoid both CIN and NSF in azotemic patients?
Conclusions Meticulous examination technique and judicious use of ultra-low I-CM doses iso-attenuating with diagnostic Gd-CM doses in
CTA and PCA/PVI may minimise the risk of nephrotoxicity in azotemic patients, while there is no risk of NSF.
Content Type Journal ArticleDOI 10.1007/s00330-010-1924-2Authors
Ulf Nyman, Department of Diagnostic Radiology, Lasarettet Trelleborg, University of Lund, 231 85 Trelleborg, SwedenBarbara ElmstÃ¥hl, Department of Diagnostic Radiology, SkÃ¥ne University Hospital, 205 02 Malmö, SwedenHÃ¥kan Geijer, Department of Radiology, Ãrebro University Hospital, 701 85 Ãrebro, SwedenPeter Leander, Department of Diagnostic Radiology, SkÃ¥ne University Hospital, 205 02 Malmö, SwedenTorsten Almén, Department of Diagnostic Radiology, SkÃ¥ne ......
POSTED 08/28/2010 at 12:02 PM --
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Anomalous Right Coronary Artery Arising from the Pulmonary Artery in a 36-Year-Old Woman: Diagnosis by Coronary Computed Tomographic Angiography
Content Type Journal ArticleDOI 10.1007/s00246-010-9780-zAuthors
Helina Kassahun, Department of Medicine, Greenberg Division of Cardiology, Weill Cornell Medical College, New York Presbyterian Hospital, 520 E. 70th Street, Starr Pavilion, K-415, New York, NY 10021, USAGina Larocca, Department of Medicine, Greenberg Division of Cardiology, Weill Cornell Medical College, New York Presbyterian Hospital, 520 E. 70th Street, Starr Pavilion, K-415, New York, NY 10021, USAJames K. Min, Department of Medicine, Greenberg Division of Cardiology, Weill Cornell Medical College, New York Presbyterian Hospital, 520 E. 70th Street, Starr Pavilion, K-415, New York, NY 10021, USA
Journal Pediatric CardiologyOnline ISSN 1432-1971Print ISSN 0172-0643 (Source: Pediatric Cardiology)...
POSTED 08/28/2010 at 12:02 PM --
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A left circum-aortic renal vein aneurysm
Abstract: A well-defined, slow-flowing vascular lesion was found incidentally by Doppler abdominal sonography in the left renal hilar region of a 36-year-old Taiwanese woman. Clinically, the physical examination and laboratory screening were unremarkable. A magnetic resonance angiography of the area near the renal hilum showed a saccular mass (3.5 Ã 3.1 Ã 2.5 cm) embracing the aorta by the anterior and posterior branch of the aneurysm originating from the left renal vein to the inferior vena cava. However, the patient refused further invasive intervention and has since been examined periodically by ultrasonography for 18 months without increasing size or symptoms. (Source: American Journal of Surgery)...
POSTED 08/28/2010 at 03:02 AM --
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Nonâinvasive visualization of basilar artery perforators with 7T MR angiography
Abstract (Source: Journal of Magnetic Resonance Imaging)...
POSTED 08/28/2010 at 02:42 AM --
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[New aspects of MRI for diagnostics of large vessel vasculitis and primary angiitis of the central nervous system.]
Authors: Saam T, Habs M, Cyran CC, Grimm J, Pfefferkorn T, Schüller U, Reiser MF, Nikolaou K
Vasculitis is a rare disease and clinical symptoms are often unspecific. Accurate and early diagnosis is mandatory in order to prevent complications, such as loss of vision or stroke. Imaging techniques can contribute to establishing a definite diagnosis and to evaluate disease activity and the extent of the disease in various vascular regions. Conventional imaging methods, such as computed tomography (CT) and magnetic resonance (MR) angiography, as well as digital subtraction angiography allow the vessel lumen but not the vessel wall to be depicted. However, vasculitis is a disease which primarily affects the vessel wall, therefore conventional imaging modalities often fail to make a defini......
POSTED 08/27/2010 at 06:00 PM --
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High-resolution black-blood contrast-enhanced T1 weighted images for the diagnosis and follow-up of intracranial arteritis.
Authors: Saam T, Habs M, Pollatos O, Cyran C, Pfefferkorn T, Dichgans M, Dietrich O, Glaser C, Reiser MF, Nikolauo K
Primary arteritis of the central nervous system (CNS) comprises a heterogeneous group of CNS disorders, which is characterised by non-atheromatous inflammation and necrosis of the arterial wall. The clinical presentation is highly variable, with stroke being the most common manifestation. Conventional angiography is considered to be the best imaging tool for diagnosing the disease. However, angiographic findings, which usually show lumen irregularities and stenosis, are often unspecific and can occur with a variety of other vascular disorders, such as atherosclerosis and arterial dissection. Therefore, brain biopsies are often needed to confirm the diagnosis. Recent repo......
POSTED 08/27/2010 at 10:48 AM --
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Visualization of an actively bleeding cortical vessel into the subdural space by CT angiography
Abstract: Spontaneous subdural hematomas of arterial origin are rare with only a few published case reports in the literature. In the CT era, vessel imaging of extra-axial hematomas is not commonly performed. In this case report we present a patient with a large, spontaneous acute subdural hematoma that demonstrated active contrast extravasation from a small cortical vessel on CT angiography. During surgical evacuation the vessel was confirmed to be a small cortical artery that was bulging through the arachnoid membrane and bleeding into the subdural space. The historical, radiographic, and clinical aspects of this unusual cause of subdural hematoma are discussed. (Source: Clinical Neurology and Neurosurgery)...
POSTED 08/27/2010 at 04:30 AM --
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Pure alexia caused by separate lesions of the splenium and optic radiation
We report a patient with pure alexia caused by two different infarct lesions in the left lateral thalamus and the left splenium
of the corpus callosum. A 56-year-old right-handed man was admitted to hospital with right homonymous hemianopia associated
with pure alexia. He could write kana characters but not kanji. His cranial magnetic resonance imaging revealed two different
infarct lesions in the left optic radiation and the left splenium of the corpus callosum. Magnetic resonance angiography showed
mild stenosis at the origin of the right vertebral artery and stenosis of the left distal posterior cerebral artery. The mechanism
of developing pure alexia can be simply explained by disconnection. We assumed that agraphia of kanji was caused by the effect
of ischemia and edema followin......
POSTED 08/27/2010 at 01:16 AM --
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Left Ventricular Outflow Tract Ectopy: Tiger Territory
A 68-year-old woman with troublesome palpitations and intolerant of several antiarrhythmics was referred for ablation of frequent (>25,000 in 24 h) symptomatic premature ventricular complexes (PVCs) with an inferior axis, positive QRS polarity in leads II, III, and aVF, and a dominant R-wave in V1 with the absence of S waves from V4 to V6 suggesting a left ventricular outflow tract origin (A) (). Activation and pace mapping at a site between the aortic and mitral annulus found an early local electrogram and a perfect pace map to the clinical ectopy (B to E). A coronary angiogram marked the proximity of the left main stem to the site of successful ablation (B to E). (Source: Journal of the American College of Cardiology)...
POSTED 08/27/2010 at 12:23 AM --
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Bilateral total knee arthroplasty in a patient with hemophilia A, high inhibitor titre and aneurysma spurium of the popliteal artery.
Authors: Frauchiger LH, Harstall R, Kajahn J, Anderson S, Eggli S
The authors report on bilateral simultaneous knee arthroplasty in a 40-year-old male patient with haemophilia A, high inhibitor titre and an aneurysma spurium of the right popliteal artery. Both knees showed a fixed flexion deformity of 20 degrees. To build up haemostasis, treatment with activated prothrombin complex concentrate (APCC) and recombinant activated factor seven (rFVIIa) was initiated preoperatively. A tourniquet was used on both sides during the operation and factor VIII (FVIII) was administered to further correct coagulopathy. On the eleventh postoperative day the patient complained of increasing pain and pressure in the right knee. An ultrasound suggested aneurysm, which was confirmed by substraction angio......
POSTED 08/26/2010 at 11:51 PM --
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Branching patterns of the male internal iliac artery: imaging findings
Abstract The aim of this study was to establish the imaging findings of the main branching patterns of the male internal iliac arteries,
using different imaging modalities (angio MR, angio CT and digital angiography). Twenty-one males (mean age 73.2 years) underwent
imaging evaluation with angio MR, angio CT and digital angiography to define the internal iliac artery anatomy before selective
embolization of the pelvic arteries. All three modalities were used in 3 patients, angio MR and digital angiography in 17
patients, angio CT and digital angiography in 6 patients and only angio CT in 1 patient. Internal iliac arteries were classified
into four groups using the Yamaki classification (modified from the Adachiâs classification). Twenty-six pelvic sides were
classif......
POSTED 08/26/2010 at 01:10 PM --
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