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https://www.readbyqxmd.com/read/28731492/factors-causing-loss-of-normal-doppler-waveform-of-the-left-internal-jugular-vein-evaluation-on-chest-computed-tomography
#1
Min Cheol Ku, Myung Gyu Song, Tae-Seok Seo, Eun Young Kang, Hwan Seok Yong, Jae Wook Lee
PURPOSE: To evaluate the presence and causes of left brachiocephalic vein (LBCV) steno-occlusive lesions in patients with loss of normal waveform in Doppler ultrasound of the left internal jugular vein (LIJV). MATERIALS AND METHODS: We performed Doppler ultrasound of both internal jugular veins in 1912 patients who received an implantable venous access port from August 2013 to January 2016. Among them, 106 patients showed loss of normal Doppler waveforms of the LIJV (56 men and 50 women; mean age, 61...
July 19, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28731490/lancisi-s-sign-and-central-venous-catheter-tip-position-a-case-report
#2
Valentina Vigo, Piero Lisi, Giuseppe Galgano, Carlo Lomonte
INTRODUCTION: Valvular disease and pulmonary hypertension are common conditions in haemodialysis patients. In presence of tricuspid regurgitation, an increased retrograde blood flow into the right atrium during ventricle systole results in a typical modification of the normal venous waveform, creating a giant c-v wave. This condition clinically appears as a venous palpable pulsation within the internal jugular vein, also known as Lancisi's sign. CASE REPORT: An 83-year-old woman underwent haemodialysis for 9 years...
July 19, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28728659/a-systematic-review-of-infective%C3%A2-endocarditis-in-patients-with-bovine-jugular-vein-valves-compared-with-other%C3%A2-valve-types
#3
Ashutosh Sharma, Anita T Cote, Martin C K Hosking, Kevin C Harris
OBJECTIVES: The aim of this study was to systematically evaluate the incidence of infective endocarditis (IE) in right ventricle-to-pulmonary artery conduits and valves, comparing bovine jugular vein (BJV) valves with all others. BACKGROUND: Recent evidence suggests that the incidence of IE is higher in patients with congenital heart disease who have undergone implantation of BJV valves in the pulmonary position compared with other valves. METHODS: Systematic searches of published research were conducted using electronic databases (MEDLINE, Embase, and CINAHL) and citations cross-referenced current to April 2016...
July 24, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28721474/single-stick-tunneled-central-venous-access-using-the-jugular-veins-in-infants-weighing-less-than-5%C3%A2-kg
#4
Will S Lindquester, C Matthew Hawkins, Eric J Monroe, Anne E Gill, Giridhar M Shivaram, F Glen Seidel, Matthew P Lungren
BACKGROUND: Despite the demonstrated feasibility of the single-stick technique in the femoral vein, its use in neonates and infants for placing central lines in internal and external jugular veins has not been reported. OBJECTIVE: Describe and assess the safety and efficacy of tunneled jugular central venous catheter placement performed under ultrasound (US) and fluoroscopic guidance in neonates and infants weighing <5 kg using the single-stick technique at three tertiary pediatric hospitals...
July 18, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28721190/a-case-of-fatal-internal-jugular-vein-perforation-during-nasogastric-tube-insertion
#5
Katherine A Smith, Jeffrey P Fleming, Robert D Bennett, Andrew A Taitano
Nasogastric tube (NGT) insertion is a routine procedure in the management of surgical patients. We report the second case of internal jugular vein perforation during NGT insertion. A 79-year-old man presented with diffuse abdominal pain secondary to a perforated viscus. Abdominal CT revealed pneumoperitoneum, necessitating emergent exploratory laparotomy. On post-operative Day 7, the patient developed mild abdominal distension and subjective nausea for which NGT placement was ordered for decompression. Tube placement was confirmed by insufflation of air without aspiration of gastric contents...
July 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28720741/-transvenous-embolization-by-direct-puncture-of-the-superior-sagittal-sinus-using-indocyanine-green-icg-videoangiography-for-treatment-of-dural-arteriovenous-fistula-of-the-transverse-sigmoid-sinus-a-case-report
#6
Jo Matsuzaki, Kenichi Kono, Arisa Umesaki, Yojiro Kashimura, Hiroaki Matsumoto, Tomoaki Terada
We report a case of dural arteriovenous fistula at the left transverse sinus and sigmoid sinus(TS-dAVF), which was treated with transvenous embolization(TVE)by direct puncture of the superior sagittal sinus(SSS)under indocyanine green(ICG)fluoroscopic guidance. A 71-year-old woman presented with pulsatile tinnitus and progressive dementia. A left TS-dAVF with retrograde SSS and cortical venous reflux(Cognard type IIb)was demonstrated on cerebral angiography. The left internal jugular vein and distal portion of the right transverse sinus were occluded...
July 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28719983/neonatal-lemierre-syndrome-youngest-reported-case-and-literature-review
#7
Blake S Raggio, Maria C Grant, Kimsey Rodriguez, Patrick J Cripe
A previously healthy 5-week-old female was admitted for sepsis secondary to methicillin-resistant Staphylococcus aureus (MRSA) bacteremia. After several days of hospitalization, she experienced acute decompensation in mental status despite having received targeted antibiotic therapy. Imaging revealed left peritonsillar/parapharyngeal space abscess, left venous thrombophlebitis of the internal jugular vein, and septic emboli of the lungs and brain consistent with Lemierre syndrome. Bedside needle aspiration of the parapharyngeal abscess confirmed MRSA involvement...
July 1, 2017: Clinical Pediatrics
https://www.readbyqxmd.com/read/28718358/an-updated-method-for-the-jugular-catheterization-of-grower-pigs-for-repeated-blood-sampling-following-an-oral-glucose-tolerance-test
#8
Anton M Pluschke, Gregory S Simmons, Helen L Keates, Ranald D A Cameron, Dagong Zhang, John D Wright, Barbara A Williams
Jugular catheterization is a common procedure used under experimental conditions. However, there is considerable variation in the reported techniques, particularly for grower pigs (>40 kg and <60 kg) when larger volumes of blood per sample (>10 mL) are required. This paper provides a complete methodology including the use of current equipment and anaesthetic regimen for grower pigs. This surgical jugular catheterization method was carried out in 30 large white grower pigs. Firstly, the pigs were habituated to human handling for at least two weeks prior to surgery...
August 2017: Laboratory Animals
https://www.readbyqxmd.com/read/28717318/hemogram-responses-in-goats-toward-challenged-with-corynebacterium-pseudotuberculosis-and-its-immunogen-mycolic-acids
#9
Mohammed Naji Odhah, Faez Firdaus Jesse Abdullah, Abd Wahid Haron, Mohd Azmi Mohd Lila, Mohd Zamri-Saad, Zaid Khuder, Idris Umar Hambali, Muhammed Umar, Wessam Monther Saleh
AIM: This study was conducted to analyze the changes in blood profile of goats inoculated with Corynebacterium pseudotuberculosis and its immunogen mycolic acid (MA) extract. MATERIALS AND METHODS: A total of 12 clinically healthy crossbred Boer female goats were divided into three groups; A, B and C (4 goats each per group). Group A was inoculated with 2 ml sterile phosphate buffered saline via intradermal route as the negative control group whilst Group B was inoculated with 2 ml of MA extract (1 g/ml) intradermally and Group C was then inoculated with 2 ml (1×10(9)) colony forming unit of active C...
June 2017: Veterinary World
https://www.readbyqxmd.com/read/28712577/bacterial-adherence-to-graft-tissues-in-static-and-flow-conditions
#10
Tiago Rafael Veloso, Jorien Claes, Soetkin Van Kerckhoven, Bartosz Ditkowski, Luis G Hurtado-Aguilar, Stefan Jockenhoevel, Petra Mela, Ramadan Jashari, Marc Gewillig, Marc F Hoylaerts, Bart Meyns, Ruth Heying
BACKGROUND: Various conduits and stent-mounted valves are used as pulmonary valve graft tissues for right ventricular outflow tract reconstruction with good hemodynamic results. Valve replacement carries an increased risk of infective endocarditis (IE). Recent observations have increased awareness of the risk of IE after transcatheter implantation of a stent-mounted bovine jugular vein valve. This study focused on the susceptibility of graft tissue surfaces to bacterial adherence as a potential risk factor for subsequent IE...
June 16, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28706886/the-effects-of-indoxyl-sulfate-induced-endothelial-microparticles-on-neointimal-hyperplasia-formation-in-an-ex-vivo-model
#11
Jung-Hwa Ryu, HeeJung Park, Seung-Jung Kim
PURPOSE: Neointimal hyperplasia (NH) is considered to be one of the main causes of vascular access occlusion in patients receiving hemodialysis. Endothelial injury and TGF-β-mediated proliferation of vascular smooth muscle cells (VSMCs) induce NH. Endothelial microparticles (EMPs) are also increased by endothelial injury. We aimed to investigate the effects of EMPs and TGF-β expression on VSMC proliferation and their contributions to NH formation in an ex vivo model. METHODS: EMPs were collected from the culture media of human umbilical vein endothelial cells treated with indoxyl sulfate (IS, 250 µg/mL) after ultracentrifugation at 100,000 × g...
July 2017: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/28704516/ultrasound-diagnosis-of-transverse-sinus-hypoplasia-using-flow-profiles-of-the-internal-jugular-vein
#12
A-Ching Chao, Ke Han, Feng-Chi Chang, Hung-Yi Hsu, Chih-Ping Chung, Wen-Yung Sheng, Lung Chan, Jiang Wu, Han-Hwa Hu
Accurate diagnosis of subtypes of transverse sinus (TS) hypoplasia requires more expensive methods like magnetic resonance (MR) imaging. We hypothesized ultrasound findings of the internal jugular vein (IJV) can be surrogate indicators for diagnosis of TS hypoplasia. MR images were reviewed in 131 subjects to evaluate TS diameter and the location and degree of venous flow stenosis and obstruction. Ultrasound parameters including the cross-sectional lumen area (CSA), time-average-mean velocity (TAMV), and flow volume (FV) at each IJV segment were also evaluated...
2017: PloS One
https://www.readbyqxmd.com/read/28701604/major-vessel-venous-thrombosis-in-patients-of-posttubercular-chronic-constrictive-pericarditis-undergoing-pericardectomy-a-rare-scenario
#13
Akhilesh Pahade, Prabhat Tewari
We are reporting two cases of neck and arm major venous thrombosis in patients of posttubercular chronic constrictive pericarditis posted for pericardectomy. There was unanticipated difficulty in placement of Internal Jugular vein catheter and subsequent ultrasound revealed thrombosis in the major veins. It was not diagnosed in the preoperative period. This report raises this major complication and highlights the use of ultrasound in such scenarios.
July 2017: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/28700180/-superior-cava-vein-stenosis-in-a-hemodialysis-patient-with-long-term-central-venous-catheter-and-vascular-graft-a-case-report
#14
Carlo Jovane, Piera Farfaglia, Anna Maria Ierardi, Laura Rimoldi, Elisabetta Sogni, Carmela Figliola, Daniela Pogliani, Matteo Tozzi, Elena Caramella, Pasquale Esposito, Alessandro Castiglioni
Recently, the use of central venous catheters (CVC) as a vascular access in patients undergoing hemodialysis is significantly increased, mainly because of the aging of this population and the presence of several comorbidities. However, the implantation and the long stay of CVC are associated with many complications. Among them, central venous stenosis represents one of the most common problems that, if not properly diagnosed, could lead to vascular thrombosis and consequent vascular access malfunction. Here, we report a case of a 38-year-old patient, who underwent hemodialysis firstly by a CVC long-term into right jugular vein and then by a prosthetic fistula in the ipsilateral limb...
June 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28697490/the-influence-of-blood-pressure-on-fetal-aortic-distensibility-an-animal-validation-study
#15
Christoph Wohlmuth, Kenneth J Moise, Ramesha Papanna, Ciprian Gheorghe, Anthony Johnson, Yisel Morales, Helena M Gardiner
BACKGROUND/AIMS: Aortic distension waveforms describe the change in diameter or cross-sectional area over the cardiac cycle. We aimed to validate the association of aortic fractional area change (AFAC) with blood pressure (BP) in a fetal lamb model. METHODS: Four pregnant ewes underwent open fetal surgery under general anesthesia at 107-120 gestational days. A 4-Fr catheter was introduced into the fetal femoral artery and vein, or the carotid artery and jugular vein...
July 12, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28692845/constitutive-modeling-of-jugular-vein-derived-venous-valve-leaflet-tissues
#16
Nayyan Kaul, Hsiao-Ying Shadow Huang
Venous valve tissues, though used in vein reconstruction surgeries and bioprosthetic valves with moderate success, have not been extensively studied with respect to their structure. Their inherent anisotropic, non-linear behavior combined with severe diseases which affect veins, such as chronic venous insufficiency, warrant understanding the structure and material behavior of these tissues. Hence, before any bioprosthetic grafts may be used in place of tissues, it is of the utmost importance to understand the mechanical and structural properties of these tissues as this may lead to higher success rates for valve replacement surgeries...
July 1, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28692592/reduction-in-temporary-and-permanent-audiological-injury-through-internal-jugular-vein-compression-in-a-rodent-blast-injury-model
#17
Brian Sindelar, Michael Shinners, Sydney Sherman, Kristine Erickson, Vimal Patel, Paul Kubilis, John D Finan, Julian E Bailes
HYPOTHESIS: Internal jugular vein (IJV) compression influences not only intracranial but also intracochlear physiology and has demonstrated preclinical effectiveness in reducing acute audiological injury in a rodent blast model. However, the long-term effects in this model are unknown. BACKGROUND: Blast wave-induced audiological injury from an improvised explosive device is a leading cause of morbidity among service members in theater but there are limitations to the current protective measures...
July 7, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28691599/sheep-model-of-haemodialysis-treatment
#18
Jolanta Bujok, Tomasz Walski, Albert Czerski, Katarzyna Gałecka, Karolina Grzeszczuk-Kuć, Wojciech Zawadzki, Wojciech Witkiewicz, Małgorzata Komorowska
More than two million patients received haemodialysis (HD) in 2013. Many methods for improving dialysis therapy outcomes have been tested. Nevertheless, patients continue to experience high morbidity and mortality rates. We aimed to develop an animal model of HD treatment to study methods that would prevent the adverse effects of renal replacement therapy. The study was conducted using six male Merino sheep. The animals underwent a two-step bilateral nephrectomy, and a permanent dual-lumen catheter was inserted into the jugular vein...
January 1, 2017: Laboratory Animals
https://www.readbyqxmd.com/read/28687699/a-rare-case-of-malposition-of-central-venous-catheter-detected-by-ultrasonography-guided-saline-flush-test
#19
Niraj Kumar, Ashutosh Kaushal, Kapil Dev Soni, Gaurav Singh Tomar
Central venous catheter (CVC) insertion is associated with many potential complications; malposition of the catheter is one of them. A chest X-ray is routinely done to detect the malposition of catheter, but sometimes it has been seen that X-ray is time-consuming and its accuracy is also low for determining the exact position of the catheter tip. In our case, an ultrasonography (USG)-guided CVC was placed into the right internal jugular vein of the patient. As there was no ECG change obtained during insertion of guidewire and catheter, malposition was suspected, which was easily detected by a novel USG-guided saline flush test...
July 6, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28687503/surgical-management-of-congenital-arteriovenous-fistula-near-lateral-cranial-base
#20
Rongxu Du, Bao Liu, Jiang Shao, Yu Chen, Fangda Li, Yuehong Zheng
BACKGROUND: An arteriovenous fistula is an aberrant communication between an artery and a vein, here is a case where risk factors including multiple fistulae, dangerous location and high flow blood occurred simultaneously. METHODS: The patient is a 13-year-old boy diagnosed with bilateral arteriovenous fistulae between the jugular vein and carotid artery separately, with cardiac dilatation and pulmonary artery hypertension. We performed right arteriovenous fistulae resection, ligated the involved small vessels and tightened the internal jugular vein...
July 4, 2017: Annals of Vascular Surgery
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