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Duplex surveillance

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https://www.readbyqxmd.com/read/27890844/validation-of-a-decision-tree-to-streamline-infrainguinal-vein-graft-surveillance
#1
Reza Mofidi, Olivia Mb McBride, Barnabas R Green, Tracey Gatenby, Paul Walker, Simon Milburn
INTRODUCTION: Duplex Ultrasound (DU) based graft surveillance remains controversial. The aim of this study was to assess the ability of a recently proposed decision tree in identifying high-risk grafts which would benefit from DU based surveillance. MATERIALS AND METHODS: Consecutive patients undergoing infrainguinal vein graft bypass from January 2008 to December 2015 were identified from the National Vascular registry and enrolled in a duplex surveillance program...
November 24, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27765073/anaplasma-marginale-and-a-phagocytophilum-in-cattle-in-tunisia
#2
Youmna M'ghirbi, Marwa Bèji, Beatriz Oporto, Fatma Khrouf, Ana Hurtado, Ali Bouattour
BACKGROUND: Tick-borne diseases caused by Anaplasma species put serious constraints on the health and production of domestic cattle in tropical and sub-tropical regions. After recovering from a primary infection, cattle typically become persistent carriers of pathogens and play a critical role in the epidemiology of the disease, acting as reservoirs of the Anaplasma spp. METHODS: In this study a duplex PCR assay was used for the simultaneous detection of Anaplasma marginale and Anaplasma phagocytophilum in cattle using two primer pairs targeting msp4 and msp2 genes, respectively...
October 20, 2016: Parasites & Vectors
https://www.readbyqxmd.com/read/27760698/contrast-enhanced-ultrasound-can-replace-computed-tomography-angiography-for-surveillance-after-endovascular-aortic-aneurysm-repair
#3
K K Bredahl, M Taudorf, L Lönn, K C Vogt, H Sillesen, J P Eiberg
OBJECTIVE/BACKGROUND: Surveillance after endovascular aortic aneurysm repair (EVAR) is mandatory and computed tomography angiography (CTA) is considered the standard imaging modality, although patients are exposed to ionizing radiation and nephrotoxic contrast medium. The primary aim of this study was to determine the diagnostic efficacy of duplex ultrasound (DUS) and contrast enhanced ultrasound (CEUS) using CTA as the gold standard. The secondary aim was to determine the clinical consequences of endoleaks missed by DUS and CEUS, or CTA...
October 16, 2016: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/27616197/development-and-evaluation-of-a-new-lateral-flow-assay-for-simultaneous-detection-of-antibodies-against-african-horse-sickness-and-equine-infectious-anemia-viruses
#4
Sofia Costa, Patricia Sastre, Teresa Pérez, Istar Tapia, María Barrandeguy, José M Sánchez-Vizcaíno, Almudena Sánchez-Matamoros, Andrés Wigdorovitz, Antonio Sanz, Paloma Rueda
African horse sickness (AHS) and equine infectious anemia (EIA) are both notifiable equid specific diseases that may present similar clinical signs. Considering the increased global movement of horses and equine products over the past decades, together with the socio-economic impact of previous AHS and EIA outbreaks, there is a clear demand for an early discrimination and a strict control of their transmission between enzootic and AHS/EIA-free regions. Currently, the individual control and prevention of AHS or EIA relies on a series of measures, including the restriction of animal movements, vector control, and the use of several laboratory techniques for viral identification, amongst others...
November 2016: Journal of Virological Methods
https://www.readbyqxmd.com/read/27575811/repeated-contrast-medium-application-after-endovascular-aneurysm-repair-and-not-the-type-of-endograft-fixation-seems-to-have-deleterious-effect-on-the-renal-function
#5
Daphne Elisabeth Gray, Markus Eisenack, Michael Gawenda, Giovanni Torsello, Payman Majd, Jan Brunkwall, Nani Osada, Konstantinos P Donas
OBJECTIVE: The influence of endovascular aneurysm repair (EVAR) on renal function is of high concern. The question whether stent graft fixation type plays a significant role in renal outcome after EVAR is still debated. However, other factors, such as repeated contrast medium exposure, should also be considered. METHODS: We performed a two-center, stratified-cohort case control study to evaluate the influence of last-generation abdominal endografts with suprarenal (SR) vs infrarenal (IR) fixation on renal function...
August 26, 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27559057/a-prospective-randomized-trial-of-routine-duplex-ultrasound-surveillance-on-arteriovenous-fistula-maturation
#6
Ahram Han, Seung-Kee Min, Mi-Sook Kim, Kwon Wook Joo, Jungsun Kim, Jongwon Ha, Joongyub Lee, Sang-Il Min
BACKGROUND AND OBJECTIVES: Use of arteriovenous fistulas, the most preferred type of access for hemodialysis, is limited by their high maturation failure rate. The aim of this study was to assess whether aggressive surveillance with routine duplex ultrasound and intervention can decrease the maturation failure rate of arteriovenous fistulas. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We conducted a single-center, parallel-group, randomized, controlled trial of patients undergoing autogenous arteriovenous fistula...
August 24, 2016: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/27542700/a-systematic-review-of-ultrasound-or-magnetic-resonance-imaging-compared-with-computed-tomography-for-endoleak-detection-and-aneurysm-diameter-measurement-after-endovascular-aneurysm-repair
#7
Qiang Guo, Jichun Zhao, Bin Huang, Ding Yuan, Yi Yang, Guojun Zeng, Fei Xiong, Xiaojiong Du
PURPOSE: To analyze the literature comparing ultrasound [duplex (DUS) or contrast-enhanced (CEUS)] or magnetic resonance imaging (MRI) with computed tomography angiography (CTA) for endoleak detection and aneurysm diameter measurement after endovascular aneurysm repair (EVAR). METHODS: A systematic review identified 31 studies that included 3853 EVAR patients who had paired scans (DUS or CEUS vs CTA or MRI vs CTA) within a 1-month interval for identification of endoleaks during EVAR surveillance...
August 19, 2016: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/27488490/anti-xa-guided-enoxaparin-thromboprophylaxis-reduces-rate-of-deep-venous-thromboembolism-in-high-risk-trauma-patients
#8
George A Singer, Gina Riggi, Charles A Karcutskie, Tanaz M Vaghaiwalla, Howard M Lieberman, Enrique Ginzburg, Nicholas Namias, Edward B Lineen
BACKGROUND: Appropriate prophylaxis against venous thromboembolism (VTE) remains undefined. This study evaluated an anti-Xa-guided enoxaparin thromboprophylaxis protocol on the incidence of VTE in high-risk trauma patients based upon Greenfield's Risk Assessment Profile (RAP) score. METHODS: This is a retrospective observational study of patients admitted to a trauma ICU over a 12-month period. Patients were included if they received anti-Xa-guided enoxaparin thromboprophylaxis...
August 3, 2016: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/27477951/five-year-outcomes-following-a-randomized-trial-of-femorofemoral-and-femoropopliteal-bypass-grafting-with-heparin-bonded-or-standard-polytetrafluoroethylene-grafts
#9
J S Lindholt, K Houlind, B Gottschalksen, C N Pedersen, H Ravn, B Viddal, G Pedersen, M Rasmussen, C Wedel, M B Bramsen
BACKGROUND: Cohort studies suggest superior long-term patency of luminal heparin-bonded polytetrafluoroethylene (Hb-PTFE) bypass grafts compared with standard PTFE grafts. The aim of this study was to compare the outcomes of Hb-PTFE grafts with those of standard PTFE grafts 5 years after a randomized trial. METHODS: Patients with intermittent claudication or critical limb ischaemia requiring femorofemoral or femoropopliteal bypass grafting were randomized in a clinical trial of Hb-PTFE versus standard PTFE in 11 Scandinavian centres between 2005 and 2009...
September 2016: British Journal of Surgery
https://www.readbyqxmd.com/read/27444366/contemporary-management-of-isolated-chronic-infrarenal-abdominal-aortic-dissections
#10
Christopher M Faries, Rami O Tadros, Paul S Lajos, Ageliki G Vouyouka, Peter L Faries, Michael L Marin
OBJECTIVE: The purpose of this study was to report the presentation, treatment, and follow-up of isolated infrarenal aortic dissections. METHODS: A review of 37 patients with isolated infrarenal aortic dissections was performed. Computed tomography scans with intravenous administration of contrast material were examined for all patients; catheter-based angiography, magnetic resonance angiography, and duplex ultrasound were used selectively. In dissections associated with the development of abdominal aortic aneurysm (AAA), the aneurysm growth rate was determined by measuring the change in maximum aneurysm diameter over time and dividing that by the duration of observation...
July 18, 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27362577/efficacy-and-safety-of-duplex-guided-polidocanol-foam-sclerotherapy-for-venous-malformations
#11
Haitham Ali, Mahmoud Saleh, Walid Mohammed
BACKGROUND: To report our experience regarding the safety, efficacy of duplex- guided polidocanol (POL) foam sclerotherapy on the overall status of signs and symptoms in patients with venous malformations (VMs). METHODS: Thirty seven patients with symptomatic extratruncular VMs were treated with duplex-guided POL foam sclerotherapy using Tessari's method. Twenty five patients had limited VMs, while twelve had infiltrating VMs. Post-sclerotherapy surveillance was done 6 months after the last sclerotherapy session and comprised both clinical and duplex evaluation...
June 30, 2016: International Angiology: a Journal of the International Union of Angiology
https://www.readbyqxmd.com/read/27354322/development-of-a-decision-tree-to-streamline-infrainguinal-vein-graft-surveillance
#12
Olivia M B McBride, Reza Mofidi, Gareth D Griffiths, A Raymond Dawson, Roderick T A Chalmers, Peter A Stonebridge
BACKGROUND: Duplex ultrasound (DU) remains the gold standard for identification and grading of infrainguinal vein graft stenosis. However, DU-based graft surveillance remains controversial. The aim of this study was to develop a decision tree to identify high-risk grafts which would benefit from DU-based surveillance. METHODS: Consecutive patients undergoing infrainguinal vein graft bypass were enrolled in a DU surveillance program. An early postoperative DU was performed at a median of 6 weeks (range 4-9)...
June 25, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27316654/development-of-fluorogenic-probe-based-and-high-resolution-melting-based-polymerase-chain-reaction-assays-for-the-detection-and-differentiation-of-bartonella-quintana-and-bartonella-henselae
#13
Yun-Yan Liu, Long-Sheng Zhao, Xiu-Ping Song, Peng-Chen Du, Dong-Mei Li, Zhong-Ke Chen, Qi-Yong Liu
Bartonella henselae and Bartonella quintana are the major etiological agents of infective endocarditis, which pose a serious threat to human health. To simultaneously detect and differentiate B. henselae and B. quintana, a reliable and fast method to simultaneously detect and differentiate B. henselae and B. quintana is required. In this study, we developed and validated two rapid, highly sensitive and specific, duplex, real-time polymerase chain reaction (PCR) assays-one based on high-resolution melting (HRM) analysis, and the other on TaqMan probes-to simultaneously detect and differentiate B...
June 14, 2016: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/27303669/contemporary-applications-of-ultrasound-in-abdominal-aortic-aneurysm-management
#14
REVIEW
Mark Scaife, Triantafillos Giannakopoulos, Georges E Al-Khoury, Rabih A Chaer, Efthymios D Avgerinos
Ultrasound (US) is a well-established screening tool for detection of abdominal aortic aneurysms (AAAs) and is currently recommended not only for those with a relevant family history but also for all men and high-risk women older than 65 years of age. The advent of minimally invasive endovascular techniques in the treatment of AAAs [endovascular aneurysm repair (EVAR)] has increased the need for repeat imaging, especially in the postoperative period. Nevertheless, preoperative planning, intraoperative execution, and postoperative surveillance all mandate accurate imaging...
2016: Frontiers in Surgery
https://www.readbyqxmd.com/read/27279896/wells-criteria-for-dvt-is-a-reliable-clinical-tool-to-assess-the-risk-of-deep-venous-thrombosis-in-trauma-patients
#15
Shrey Modi, Ryan Deisler, Karen Gozel, Patty Reicks, Eric Irwin, Melissa Brunsvold, Kaysie Banton, Greg J Beilman
BACKGROUND: Deep Vein Thrombosis (DVT) is a common complication in trauma patients. Venous duplex surveillance is used widely for the diagnosis of DVT, however, there is controversy concerning its appropriate use. The Wells criterion is a clinically validated scoring system in an outpatient setting, but its use in trauma patients has not been studied. This study evaluated the application of the Wells scoring system in trauma population. METHODS: Wells scores were calculated retrospectively for all patients who were admitted to the trauma service and underwent Venous Duplex Scanning (VDS) at the author's institution between 2012 and 2013...
2016: World Journal of Emergency Surgery: WJES
https://www.readbyqxmd.com/read/27262976/infrainguinal-vein-graft-stenoses-long-term-outcomes-of-graft-angioplasty
#16
K Mathur, R K Vohra, J Hodson, S Kuyumdzhiev, M J Duddy, J D Hopkins
OBJECTIVE: Graft angioplasty combines the durability and ability of surgical bypasses to treat long arterial occlusions with the minimally invasive nature of endovascular procedures. The purpose of this study was to evaluate the efficacy of single and repeated graft angioplasty in revising failing infrainguinal vein bypass grafts and to determine predictors of medium- and long-term freedom from revision after graft angioplasty. METHOD: This was a retrospective analysis from a prospectively maintained database...
August 2016: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/27258207/no-detection-of-macrolide-resistant-mycoplasma-pneumoniae-from-swedish-patients-1996-2013
#17
Karolina Gullsby, Kåre Bondeson
BACKGROUND: Mycoplasma pneumoniae is a common cause of respiratory infections which can cause life-threatening pneumonia and serious extrapulmonary manifestations. Since the year 2000, the emergence of macrolide-resistant M. pneumoniae strains has increased with varying incidences across countries. In China more than 90% of the strains are resistant. M. pneumoniae diagnostics is mostly done with molecular methods, and in Sweden antibiotic resistance surveillance is not routinely performed...
2016: Infection Ecology & Epidemiology
https://www.readbyqxmd.com/read/27248292/passive-surveillance-of-ixodes-scapularis-say-their-biting-activity-and-associated-pathogens-in-massachusetts
#18
Guang Xu, Thomas N Mather, Craig S Hollingsworth, Stephen M Rich
A passive surveillance of tick-borne pathogens was conducted over a 7-year period (2006-2012), in which a total of 3551 ticks were submitted to the University of Massachusetts for PCR testing. The vast majority of these ticks were Ixodes scapularis from Massachusetts (N = 2088) and hence were the focus of further analysis. Two TaqMan duplex qPCR assays were developed to test I. scapularis ticks for the presence of three human pathogens: Borrelia burgdorferi, Anaplasma phagocytophilum, and Babesia microti...
August 2016: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/27225407/multiplex-real-time-pcr-assay-with-high-resolution-melting-analysis-for-characterization-of-antimicrobial-resistance-in-neisseria-gonorrhoeae
#19
Valentina Donà, Sara Kasraian, Agnese Lupo, Yuvia N Guilarte, Christoph Hauser, Hansjakob Furrer, Magnus Unemo, Nicola Low, Andrea Endimiani
Resistance to antibiotics used against Neisseria gonorrhoeae infections is a major public health concern. Antimicrobial resistance (AMR) testing relies on time-consuming culture-based methods. Development of rapid molecular tests for detection of AMR determinants could provide valuable tools for surveillance and epidemiological studies and for informing individual case management. We developed a fast (<1.5-h) SYBR green-based real-time PCR method with high-resolution melting (HRM) analysis. One triplex and three duplex reactions included two sequences for N...
August 2016: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/27209899/diagnosis-and-management-of-iliac-artery-endofibrosis-results-of-a-delphi-consensus-study
#20
(no author information available yet)
OBJECTIVE: Iliac endofibrosis is a rare condition that may result in a reduction of blood flow to the lower extremity in young, otherwise healthy individuals. The data to inform everyday clinical management are weak and therefore a Delphi consensus methodology was used to explore areas of consensus and disagreement concerning the diagnosis and management of patients with suspected iliac endofibrosis. METHODS: A three-round Delphi questionnaire approach was used among vascular surgeons, sports physicians, sports scientists, radiologists, and clinical vascular scientists with experience of treating this condition to explore diagnosis and clinical management issues for patients with suspected iliac artery endofibrosis...
July 2016: European Journal of Vascular and Endovascular Surgery
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