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https://www.readbyqxmd.com/read/27922869/long-distance-endovascular-growth-of-jugulotympanic-paraganglioma-evident-in-68ga-dotatate-pet-but-concealed-on-ct
#1
Nemanja Avramovic, Matthias Weckesser, Aglaé Velasco, Markus Stenner, Benjamin Noto
A 60-year-old woman was referred to contrast-enhanced CT for evaluation of jugular vein thrombosis incidentally detected by ultrasound. Contrast-enhanced CT showed an enhanced tumor of the right skull base highly suspicious of jugulotympanic paraganglioma. However, the jugular veins showed a nearly symmetric contrast enhancement without clear evidence of thrombosis. Consecutive Ga-DOTATATE PET/CT depicted high tumor uptake, which comprised the entire internal jugular vein. Endovascular growth of paraganglioma might be missed on contrast-enhanced CT because of high vascularization of the lesion...
December 3, 2016: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27920875/diffuse-thyroid-metastases-and-bilateral-internal-jugular-vein-tumor-thrombus-from-renal-cell-cancer
#2
Priyanka Jha, Mallika Shekhar, Jennifer Wan, Carina Mari-Aparici
Renal cell cancer rarely metastasizes to the thyroid gland, and it has been reported to present as a solitary mass. We present a case of diffuse thyroid cancer metastases from renal cell cancer. Bilateral internal jugular vein tumor thrombi were also present. To the best of our knowledge, this is the first description of diffuse thyroid metastases from renal cell cancer in the English literature. Renal cell cancer metastases should be considered in the differential of thyroid imaging abnormalities arising in the setting of known renal cell carcinoma, particularly late in the course of disease...
December 2016: Radiology case reports
https://www.readbyqxmd.com/read/27911460/retrospective-comparison-of-two-different-approaches-for-ultrasound-guided-internal-jugular-vein-cannulation-in-hemodialysis-patients
#3
Antonio Treglia, Dario Musone, Francesco Amoroso
BACKGROUND: Prevalent hemodialysis patients with vascular access consisting of a central venous catheter (CVC) are continuously increasing over the years. Improvement in evolution and CVC placement procedures represents therefore an essential tool to enhance performance and reduce intraoperative and long-term CVC complications. Internal jugular vein (IJV) catheterization techniques are different according to ultrasound probe position in relation to vein axis and to needle direction in relation to ultrasound beam...
December 2, 2016: Journal of Vascular Access
https://www.readbyqxmd.com/read/27909511/internal-jugular-vein-complete-thrombosis-after-dual-chamber-pacemaker-implant
#4
Angelo Placci, Maria Mattioli, Maria Francesca Notarangelo, Gianluca Gonzi, Marco Zardini
Venous thrombosis after pacemaker implant is a known, although often underrecognized condition that can challenge system revision or upgrading, leading occasionally to thromboembolic complications. Several factors are considered to promote thrombus formation. Among them, alteration of blood flow mechanics due to the presence of catheters in the vessel lumen may itself play a pivotal role. Hereby we present the case of a 65-year old men who underwent a dual-chamber pacemaker implant in another institute for sick sinus syndrome by means of left cephalic venous access...
June 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27904263/internal-jugular-vein-cannulation-without-the-risk-of-double-wall-punctures
#5
Anton Aleksandrovich Kasatkin, Aleksandr Livievich Urakov, Aleksei Valerianovich Shchegolev, Anna Raisovna Nigmatullina
No abstract text is available yet for this article.
October 2016: Journal of Emergencies, Trauma, and Shock
https://www.readbyqxmd.com/read/27903207/direct-cerebral-perfusion-and-cooling-in-experimental-cardiac-arrest
#6
Rinaldo Bellomo, Bruno Marino, Peter Angelopoulos, Scott Carson, Glenn Eastwood, Junko Kosaka, Naoya Iguchi, Andrew Hilton, Clive May
BACKGROUND: Cerebral protection is a key priority during cardiac arrest (CA). However, current approaches are suboptimal. OBJECTIVE: To test whether direct perfusion and cooling of the anterior cerebral circulation by means of cerebral vessel cannulation and extracorporeal membrane oxygenation (ECMO) increases cerebral oxygenation and induces cerebral hypothermia during CA. METHODS: We performed proof-of-concept animal experiments in sheep...
December 2016: Critical Care and Resuscitation: Journal of the Australasian Academy of Critical Care Medicine
https://www.readbyqxmd.com/read/27900225/internal-jugular-vein-thrombosis-in-isolated-tuberculous-cervical-lymphadenopathy
#7
Sanjay Khaladkar, Avadhesh Chauhan, Arijit Ghosh, Kunaal Jain, Surbhi Chauhan
Tuberculosis is a common infectious disease with a high prevalence in developing countries and presents a major public health issue. Internal jugular vein (IJV) thrombosis is a rare complication in tuberculous cervical lymphadenopathy. We report a case of 26-year male patient with a history of low-grade evening rise in fever, dry cough, loss of appetite, and loss of weight with swelling in lower neck on right side. Ultrasonography (USG) neck showed well-defined hypoechoic lymph nodes posterior to right IJV and common carotid artery in the lower neck at level IV and in the right supraclavicular region showing central necrotic areas with adjoining IJV thrombosis...
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/27898958/technical-note-a-procedure-to-estimate-glucose-requirements-of-an-activated-immune-system-in-steers
#8
S K Kvidera, E A Horst, M Abuajamieh, E J Mayorga, M V Sanz Fernandez, L H Baumgard
: Infection and inflammation impede efficient animal productivity. The activated immune system ostensibly requires large amounts of energy and nutrients otherwise destined for synthesis of agriculturally relevant products. Accurately determining the immune system's in vivo energy needs is difficult, but a better understanding may facilitate developing nutritional strategies to maximize productivity. The study objective was to estimate immune system glucose requirements following an i...
November 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27898857/vitamin-e-plasma-kinetics-in-swine-show-low-bioavailability-and-short-half-life-of-%C3%AE-tocopheryl-acetate
#9
T A T G van Kempen, M H Reijersen, C de Bruijn, S De Smet, J Michiels, M G Traber, C Lauridsen
Vitamin E is important for animal production because of its effects on health and product quality, but the amount and form required remains controversial. Our objective was to quantify the absolute bioavailability of oral -α-tocopheryl acetate (α-TAc) in swine (22 ± 1 kg and 8 wk old, fitted with jugular catheters) adapted to a diet supplemented with 75 mg/kg -α-TAc; 75 mg/kg was chosen because this level represents the nonweighted average inclusion level in piglet diets across Western key swine-producing countries...
October 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27897128/defining-the-limits-of-endoscopic-access-to-internal-auditory-canal
#10
Adam Master, Mickie Hamiter, Maura Cosetti
OBJECTIVE: To quantify surgical access to the internal auditory canal (IAC) using an exclusively endoscopic transcanal approach (EETA) and investigate surgically relevant relationships with neurovascular and osseous landmarks of the temporal bone. MATERIALS AND METHODS: Anatomical dissection of two paired temporal bones and 15 unpaired temporal bones was performed using an exclusively endoscopic approach to IAC. The dissection proceeded until the cerebellopontine angle (CPA) could be accessed...
November 28, 2016: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/27896794/efficacy-and-safety-of-ultrasound-guided-placement-of-central-venous-port-systems-via-the-right-internal-jugular-vein-in-elderly-oncologic-patients-our-single-center-experience-and-protocol
#11
Alfonso Canfora, Claudio Mauriello, Antonio Ferronetti, Gianpaolo Marte, Vittorio Di Maio, Guido Ciorra, Maria Grazia Esposito, Maria Elena Giuliano, Giovanni Fregola, Luigi Barra, Salvatore Cuzzovaglia, Vincenzo Bottino, Pietro Maida
BACKGROUND: Ultrasound-guidance has become the routine method for internal jugular vein (IJV) catheterization reducing dramatically failure and complication rates for central venous port (CVP) placement. AIMS: The aim of this study was to determine the safety and efficacy of ultrasound-guided IJV CVP placement in elderly oncologic patients. METHODS: Between January 2013 and December 2015, 101 elderly oncological patients underwent right IJV CVP placement under ultrasound-guidance...
November 28, 2016: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/27894675/the-manifestation-of-vortical-and-secondary-flow-in-the-cerebral-venous-outflow-tract-an-in-vivo-mr-velocimetry-study
#12
Sarah Kefayati, Matthew Amans, Farshid Faraji, Megan Ballweber, Evan Kao, Sinyeob Ahn, Karl Meisel, Van Halbach, David Saloner
Aberrations in flow in the cerebral venous outflow tract (CVOT) have been implicated as the cause of several pathologic conditions including idiopathic intracranial hypertension (IIH), multiple sclerosis (MS), and pulsatile tinnitus (PT). The advent of 4D flow magnetic resonance imaging (4D-flow MRI) has recently allowed researchers to evaluate blood flow patterns in the arterial structures with great success. We utilized similar imaging techniques and found several distinct flow characteristics in the CVOT of subjects with and without lumenal irregularities...
November 15, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/27894155/increased-lower-extremity-venous-stasis-may-contribute-to-deep-venous-thrombosis-formation-after-microsurgical-breast-reconstruction-an-ultrasonographic-study
#13
Arash Momeni, Michael G Tecce, Michael A Lanni, Shagun Aggarwal, Christopher Pannucci, Stephen J Kovach, Suhail K Kanchwala, Liza C Wu, Joseph M Serletti
Background Despite guideline-compliant prophylaxis, an increased rate of deep venous thrombosis (DVT) formation has been reported following autologous versus implant-based breast reconstruction. We hypothesized that tight abdominal fascia closure might decrease lower extremity venous return and promote venous stasis. Methods An observational crossover study of patients who underwent autologous breast reconstruction using transverse rectus abdominis musculocutaneous/deep inferior epigastric artery perforator flaps was conducted...
November 28, 2016: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/27893159/modified-technique-for-common-carotid-artery-transposition-in-standing-horses
#14
Heidi Tapio, David Argüelles, Luis A Gracia-Calvo, Marja Raekallio
OBJECTIVE: To describe a modified technique for permanent translocation of the common carotid artery (CCA) to a subcutaneous position in standing horses. STUDY DESIGN: Experimental study. ANIMALS: Healthy adult Standardbred and Warmblood horses (n = 8). METHODS: Surgery was performed with the horses standing under sedation and with local anesthesia. A combination of previously described techniques was used modifying the approach and closure of the incision...
November 28, 2016: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/27891036/complete-morphometric-analysis-of-jugular-foramen-and-its-clinical-implications
#15
Sushant Swaroop Das, Sandeep Saluja, Neelam Vasudeva
INTRODUCTION: Tumors affecting structures in the vicinity of jugular foramen such as glomus jugulare require microsurgical approach to access this region. These tumors tend to alter the normal architecture of the jugular foramen by invading it. Therefore, it is not feasible to have correct anatomic visualization of the foramen in the presence of such pathologies. Hence, a comprehensive knowledge of the jugular foramen is needed by all the neurosurgeons while doing surgery in this region...
October 2016: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/27891034/the-anatomical-perspective-of-human-occipital-condyle-in-relation-to-the-hypoglossal-canal-condylar-canal-and-jugular-foramen-and-its-surgical-significance
#16
Ranjana Verma, Shalini Kumar, Arpita Mahajan Rai, Iqra Mansoor, Raj D Mehra
BACKGROUND: The transcondylar approach (TCA) has gained importance in recent era which enables shorter and direct route to access the lesions ventral to the brainstem. The important step in this approach is resection of the occipital condyle (OC). The detailed knowledge of bony anatomy of OC and its relation to the hypoglossal canal (HC), condylar canal (CC), and jugular foramen (JF) is very important to avoid any iatrogenic injury during craniovertebral surgeries. The aim of the present study is to conduct a morphometric and morphological study and note the variations of the OC and the structures surrounding it in North Indian population...
October 2016: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/27891029/craniovertebral-junction-360%C3%A2-a-combined-microscopic-and-endoscopic-anatomical-study
#17
Sukhdeep Singh Jhawar, Maximiliano Nunez, Paolo Pacca, Daniel Seclen Voscoboinik, Huy Truong
OBJECTIVES: Craniovertebral junction (CVJ) can be approached from various corridors depending on the location and extent of disease. A three-dimensional understanding of anatomy of CVJ is paramount for safe surgery in this region. Aim of this cadaveric study is to elucidate combined microscopic and endoscopic anatomy of critical neurovascular structures in this area in relation to bony and muscular landmarks. MATERIALS AND METHODS: Eight fresh-frozen cadaveric heads injected with color silicon were used for this study...
October 2016: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/27890630/arteriovenous-renal-replacement-therapy-in-end-stage-left-sided-heart-failure-patients-has-detrimental-effect-on-patients-with-impaired-right-ventricular-function
#18
Evangelos Repasos, Elisabeth Kaldara, Christos Pantsios, Chris Kapelios, Emmeleia Nana, Spiridon Vernadakis, Christina Melexopoulou, Konstantinos Malliaras, John Boletis, John N Nanas
INTRODUCTION: Chronic intermittent renal replacement therapy(RRT) is an alternate method of decongestion for patients presenting with diuretic-resistant, end-stage heart failure(HF) and cardiorenal syndrome. The optimal method of vascular access has not been confirmed. This study compared the 6-month outcomes of patients with end-stage HF after the creation of arteriovenous communications (AVC) versus other means of RRT. METHODS: We treated 40 patients with chronic, intermittent, ambulatory RRT, of whom 15 (37...
November 23, 2016: Hellenic Journal of Cardiology: HJC, Hellēnikē Kardiologikē Epitheōrēsē
https://www.readbyqxmd.com/read/27888269/internal-carotid-artery-pseudoaneurysm-and-ischemic-stroke-secondary-to-retropharyngeal-and-parapharyngeal-abscess-a-case-report-and-review-of-the-literature
#19
Michael W Ruff, Deena M Nasr, James P Klaas, Deborah L Renaud
Internal carotid artery pseudoaneurysm is an uncommon complication of retropharyngeal and parapharyngeal abscess in children. Treatment of the pseudoaneurysm has evolved in recent years from surgical ligation to endovascular techniques. Neurologic sequelae most commonly consist of Horner's syndrome with cerebral ischemia being uncommon. The clinical course of a 2-year-old boy with retropharyngeal abscess complicated by internal carotid artery pseudoaneurysm, is described and the literature is reviewed. A conventional angiogram confirmed the presence of a large pseudoaneurysm with no anterograde flow distal to the pseudoaneurysm and substantial collateral flow across the circle of Willis, with filling of the left anterior and middle cerebral arteries via the anterior and posterior communicating arteries...
November 25, 2016: Journal of Child Neurology
https://www.readbyqxmd.com/read/27888135/antihypertensive-effects-of-androgens-in-conscious-spontaneously-hypertensive-rats
#20
Mercedes Perusquía, Nieves Herrera, Mercedes Ferrer, John N Stallone
Androgens are vasoactive steroids that induce acute vasodilation in a number of isolated vascular beds from different species, but the effects of these hormones on systemic blood pressure (BP) have been studied little. Although it has been reported that androgens exert systemic hypotensive effects through peripheral vasodilation in normotensive rats, there have not been any reports of systemic hypotensive effects of androgens in animals with hypertension. This study was designed to evaluate the acute effects of testosterone (TES) and its 5-reduced metabolites on systemic BP in hypertensive rats and to test the hypothesis that hypotestosteronemia may be involved in the pathogenesis of hypertension...
November 23, 2016: Journal of Steroid Biochemistry and Molecular Biology
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