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https://www.readbyqxmd.com/read/29706128/evolution-of-the-proximal-sealing-rings-of-the-anaconda-stent-graft-after-endovascular-aneurysm-repair
#1
Maaike A Koenrades, Almar Klein, Anne M Leferink, Cornelis H Slump, Robert H Geelkerken
PURPOSE: To provide insight into the evolution of the saddle-shaped proximal sealing rings of the Anaconda stent-graft after endovascular aneurysm repair (EVAR). METHODS: Eighteen abdominal aortic aneurysm patients were consecutively enrolled in a single-center, prospective, observational cohort study (LSPEAS; Trialregister.nl identifier NTR4276). The patients were treated electively using an Anaconda stent-graft with a mean 31% oversizing (range 17-47). According to protocol, participants were to be followed for 2 years, during which 5 noncontrast electrocardiogram-gated computed tomography scans would be conducted...
April 1, 2018: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/29700664/halving-the-volume-of-anaconda-initial-clinical-experience-with-a-new-small-volume-anaesthetic-reflector-in-critically-ill-patients-a-quality-improvement-project
#2
Hagen Bomberg, Franziska Meiser, Sarah Zimmer, Martin Bellgardt, Thomas Volk, Daniel I Sessler, Heinrich V Groesdonk, Andreas Meiser
AnaConDa-100 ml (ACD-100, Sedana Medical, Uppsala, Sweden) is well established for inhalation sedation in the intensive care unit. But because of its large dead space, the system can retain carbon dioxide (CO2 ) and increase ventilatory demands. We therefore evaluated whether AnaConDa-50 ml (ACD-50), a device with half the internal volume, reduces CO2 retention and ventilatory demands during sedation of invasively ventilated, critically ill patients. Ten patients participated in this cross-over protocol. After sedation with isoflurane via ACD-100 for 24 h, the 5-h observation period started...
April 26, 2018: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/29692216/laser-fenestration-of-aortic-stent-grafts-followed-by-noncompliant-vs-cutting-balloon-dilation-a-scanning-electron-microscopy-study
#3
Jing Lin, Niraj Parikh, Naval Udgiri, Shaoxia Wang, Daniel F Miller, Chaojing Li, Jean Panneton, Mark Nutley, Ze Zhang, Yunfan Huang, Jun Lu, Jingyi Zhang, Lu Wang, Robert Guidoin
PURPOSE: To examine the effects of in situ laser fenestration and subsequent balloon dilation (noncompliant vs cutting) on the graft fabric of 4 aortic stent-graft models. METHOD: In an in vitro setup, the Zenith TX2, Talent, Endurant, and Anaconda aortic stent-grafts (all made of polyester graft material) were subjected to laser fenestration with a 2.3-mm-diameter probe at low and high energy in a physiologic saline solution followed by balloon dilation of the hole...
April 1, 2018: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/29571904/assessment-of-dosimetric-errors-induced-by-deformable-image-registration-methods-in-4d-pencil-beam-scanned-proton-treatment-planning-for-liver-tumours
#4
Cássia O Ribeiro, Antje Knopf, Johannes A Langendijk, Damien C Weber, Antony J Lomax, Ye Zhang
PURPOSE: Respiratory impacts in pencil beam scanned proton therapy (PBS-PT) are accounted by extensive 4D dose calculations, where deformable image registration (DIR) is necessary for estimating deformation vector fields (DVFs). We aim here to evaluate the dosimetric errors induced by different DIR algorithms in their resulting 4D dose calculations by using ground truth(GT)-DVFs from 4DMRI. MATERIALS AND METHODS: Six DIR methods: ANACONDA, Morfeus, B-splines, Demons, CT Deformable, and Total Variation, were respectively applied to nine 4DCT-MRI liver data sets...
March 20, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29557840/an-exploratory-study-of-sevoflurane-as-an-alternative-for-difficult-sedation-in-critically-ill-children
#5
Santiago Mencía, Alba Palacios, Miriam García, Ana M Llorente, Olga Ordóñez, Blanca Toledo, Jesús López-Herce
OBJECTIVES: To analyze the effectiveness of inhaled sevoflurane in critically ill children with challenging sedation. DESIGN: Prospective case series. SETTING: Two PICUs of university hospitals in Spain. INTERVENTIONS: Prospective observational study and exploratory investigation conducted in two PICUs in Madrid, Spain, over a 6-year period. Children treated with inhaled sevoflurane due to difficult sedation were included...
March 19, 2018: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/29508167/inhalative-sedation-with-small-tidal-volumes-under-venovenous-ecmo
#6
Axel Rand, Peter K Zahn, Thomas A Schildhauer, Christian Waydhas, Uwe Hamsen
BACKGROUND: Inhalative sedation is an emerging method for long-term sedation in intensive care therapy. There is evidence that it is easy to control and may be beneficial compared to intravenous sedation. Yet little is known about the use in patients with compromised lung function. In this retrospective analysis, we searched files of patients receiving inhalative sedation under venovenous extracorporeal membrane oxygenator (vv-ECMO) support due to lung failure. METHODS: After ethical approval, we performed a retrospective analysis of patients receiving vv-ECMO support and inhalative sedation in the surgical ICU in 2015...
June 2018: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
https://www.readbyqxmd.com/read/29388094/a-technical-review-of-the-history-development-and-performance-of-the-anaesthetic-conserving-device-anaconda-for-delivering-volatile-anaesthetic-in-intensive-and-post-operative-critical-care
#7
REVIEW
Ron Farrell, Glen Oomen, Pauric Carey
There is a shift in critical care to adopt volatile anaesthetics as sedatives for certain patients using mechanical ventilation. Accompanying this shift is a growing body of literature describing the advantages or disadvantages of using isoflurane or sevoflurane for long term sedation. This practise requires a cost effective, efficient and safe means to deliver these drugs that can simultaneously operate with modern critical care ventilators and ventilation protocols while protecting the care environment and care workers from excessive exposure to the drugs...
January 31, 2018: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/29376749/beneficial-effects-of-inhaled-nitric-oxide-with-intravenous-steroid-in-an-ischemia-reperfusion-model-involving-aortic-clamping
#8
Waldemar Gozdzik, Stanisław Zielinski, Marzena Zielinska, Kornel Ratajczak, Piotr Skrzypczak, Sylwia Rodziewicz, Andrzej Kübler, Kalle Löfström, Piotr Dziegiel, Mateusz Olbromski, Barbara Adamik, Stanislaw Ryniak, Piotr Harbut, Johanna Albert, Claes Frostell
This study evaluated the effects of inhaled nitric oxide (iNO) therapy combined with intravenous (IV) corticosteroids on hemodynamics, selected cytokines, and kidney messenger RNA toll-like receptor 4 (mRNA TLR4) expression in ischemia-reperfusion injury animal model. The primary endpoint was the evaluation of circulatory, respiratory, and renal function over time. We also investigated the profile of selected cytokines and high-mobility group box 1 (HMGB1) protein, as well as renal mRNA TLR4 activation determined by quantitative real-time polymerase chain reaction analysis...
January 2018: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/29374847/volumetric-and-reflective-device-dead-space-of-anaesthetic-reflectors-under-different-conditions
#9
Hagen Bomberg, Max Veddeler, Thomas Volk, Heinrich V Groesdonk, Andreas Meiser
Inhalation sedation is increasingly performed in intensive care units. For this purpose, two anaesthetic reflectors, AnaConDa™ and Mirus™ are commercially available. However, their internal volume (100 ml) and possible carbon dioxide reflection raised concerns. Therefore, we compared carbon dioxide elimination of both with a heat moisture exchanger (HME, 35 ml) in a test lung model. A constant flow of carbon dioxide was insufflated into the test lung, ventilated with 500 ml, 10 breaths per minute. HME, MIRUS and AnaConDa were connected successively...
January 27, 2018: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/29302897/efficient-application-of-volatile-anaesthetics-total-rebreathing-or-specific-reflection
#10
REVIEW
Hagen Bomberg, Thomas Volk, Heinrich V Groesdonk, Andreas Meiser
The circle system has been in use for more than a 100 years, whereas the first clinical application of an anaesthetic reflector was reported just 15 years ago. Its functional basis relies on molecular sieves such as zeolite crystals or activated carbon. In a circle system, the breathing gas is rebreathed after carbon dioxide absorption; a reflector on the other hand specifically retains the anaesthetic during expiration and resupplies it during the next inspiration. Reflection systems can be used in conjunction with intensive care ventilators and do not need the permanent presence of trained qualified staff...
January 4, 2018: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/29236745/facultative-parthenogenesis-validated-by-dna-analyses-in-the-green-anaconda-eunectes-murinus
#11
Hiroki Shibata, Shuichi Sakata, Yuzo Hirano, Eiji Nitasaka, Ai Sakabe
In reptiles, the mode of reproduction is typically sexual. However, facultative parthenogenesis occurs in some Squamata, such as Komodo dragon (Varanus komodoensis) and Burmese python (Python bivittatus). Here, we report facultative parthenogenesis in the green anaconda (Eunectes murinus). We found two fully developed female neonates and 17 undeveloped eggs in the oviduct of a female anaconda isolated from other individuals for eight years and two months at Ueno Zoo, Japan. To clarify the zygosity of the neonates, we analyzed 18 microsatellite markers of which 16 were informative...
2017: PloS One
https://www.readbyqxmd.com/read/29233852/inhalation-sedation-in-subjects-with-ards-undergoing-continuous-lateral-rotational-therapy
#12
Andreas Meiser, Heinrich V Groesdonk, Sarah Bonnekessel, Thomas Volk, Hagen Bomberg
INTRODUCTION: Isoflurane has shown better sedation control and potential benefits in patients with ARDS compared to propofol or midazolam, but the practical use during continuous lateral rotational therapy remains unknown. We therefore compared isoflurane with propofol and midazolam regarding sedation depth (per the Richmond Agitation-Sedation Scale), opioid consumption, lung function, and hemodynamics in patients treated with continuous lateral rotational therapy. METHODS: 38 consecutive critically ill surgical subjects were retrospectively studied using a hospital database...
April 2018: Respiratory Care
https://www.readbyqxmd.com/read/29223353/editor-s-choice-late-open-surgical-conversion-after-endovascular-abdominal-aortic-aneurysm-repair
#13
Vinay Kansal, Sudhir Nagpal, Prasad Jetty
INTRODUCTION: Late open surgical conversion following endovascular aneurysm repair (EVAR) may occur more frequently after performing EVAR in anatomy outside the instructions for use (IFU). This study reviews predictors and outcomes of late open surgical conversion for failed EVAR. METHODS: This retrospective cohort study reviewed all EVARs performed at the Ottawa Hospital between January 1999 and May 2015. Open surgical conversions >1 month post EVAR were identified...
February 2018: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29173902/impact-of-deformable-image-registration-accuracy-on-thoracic-images-with-different-regularization-weight-parameter-settings
#14
Hideharu Miura, Shuichi Ozawa, Minoru Nakao, Kengo Furukawa, Yoshiko Doi, Hideo Kawabata, Masahiro Kenjou, Yasushi Nagata
PURPOSE: We assessed the deformable image registration (DIR) accuracy of thoracic images under different regularization weights using commercially available DIR software. METHODS: The thoracic 4-dimensional (4D) CT images of 10 patients were used. The datasets for these patients were provided by DIR-lab (www.dir-lab.com) and included a coordinate list of 300 anatomic landmarks that had been manually identified. The ANAtomically CONstrained Deformation Algorithm (ANACONDA) of RayStation (RaySearch Laboratories, Stockholm, Sweden) was used to deform the peak-inhale to peak-exhale images under different regularization weights (4, 40, 400-default setting, 1500, 4000, 10,000, 15,000, 20,000, 30,000, and 40,000)...
October 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28974218/anaconda-an-automated-pipeline-for-somatic-copy-number-variation-detection-and-annotation-from-tumor-exome-sequencing-data
#15
Jianing Gao, Changlin Wan, Huan Zhang, Ao Li, Qiguang Zang, Rongjun Ban, Asim Ali, Zhenghua Yu, Qinghua Shi, Xiaohua Jiang, Yuanwei Zhang
BACKGROUND: Copy number variations (CNVs) are the main genetic structural variations in cancer genome. Detecting CNVs in genetic exome region is efficient and cost-effective in identifying cancer associated genes. Many tools had been developed accordingly and yet these tools lack of reliability because of high false negative rate, which is intrinsically caused by genome exonic bias. RESULTS: To provide an alternative option, here, we report Anaconda, a comprehensive pipeline that allows flexible integration of multiple CNV-calling methods and systematic annotation of CNVs in analyzing WES data...
October 3, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28861655/inhaled-anesthetic-agent-sedation-in-the-icu-and-trace-gas-concentrations-a-review
#16
REVIEW
Jennifer Herzog-Niescery, Hans-Martin Seipp, Thomas Peter Weber, Martin Bellgardt
There is a growing interest in the use of volatile anesthetics for inhalational sedation of adult critically ill patients in the ICU. Its safety and efficacy has been demonstrated in various studies and technical equipment such as the anaesthetic conserving device (AnaConDa™; Sedana Medical, Uppsala, Sweden) or the MIRUS™ system (Pall Medical, Dreieich, Germany) have significantly simplified the application of volatile anesthetics in the ICU. However, the personnel's exposure to waste anesthetic gas during daily work is possibly disadvantageous, because there is still uncertainty about potential health risks...
August 31, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28619356/operative-and-one-year-outcomes-of-the-custom-made-fenestrated-anaconda%C3%A2-aortic-stent-graft-a-uk-multicentre-study
#17
Frances E Colgan, Peter M Bungay, Nicholas Burfitt, Andrew Hatrick, Michael J Clarke, Alun H Davies, Michael Jenkins, David Gerrard, John W Quarmby, Robin Williams
OBJECTIVES: Early and one year outcomes are presented for fenestrated endovascular aneurysm repair (FEVAR) of complex aortic aneurysmal disease with the custom-made Anaconda fenestrated stent graft in 101 patients. METHODS: Retrospective site-reported data from the first 101 elective cases (2010 to 2014) from four UK centres was studied to evaluate patient demographics, aneurysm morphology, clinical success and one year outcomes in patients undergoing fenestrated aneurysm repair with the custom-made Anaconda device...
June 12, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28567612/uncontrolled-delivery-of-liquid-volatile-anaesthetic-when-using-the-anaesthetic-conserving-device
#18
Igor Karnjuš, Dušan Mekiš, Miljenko Križmarić
During patient sedation with liquid volatile anaesthetic, some problems may occur through a process called auto-pumping, defined as an expansion of bubbles inside the syringe, which can lead to uncontrolled anaesthetic delivery. The study examined how the temperature of liquid volatile anaesthetics (sevoflurane and isoflurane) and the presence of gas bubbles in the syringe affect the occurrence of auto-pumping when using the anaesthetic conserving device (ACD, AnaConDa™, Sedana Medical, Uppsala, Sweden). Four different circumstances for each volatile anaesthetic were tested with a bench study: volatile anaesthetic at room temperature or precooled with and without the presence of gas bubbles in the syringe...
May 31, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28559175/rescue-of-failed-endovascular-aortic-aneurysm-repair-using-the-fenestrated-anaconda-device
#19
Jürgen Falkensammer, Fadi Taher, Miriam Uhlmann, Kornelia Hirsch, Johannes Strassegger, Afshin Assadian
OBJECTIVE: Endovascular aortic aneurysm repair (EVAR) with a fenestrated device (FEVAR) allows an extension of the proximal sealing zone above the renal arteries to an adequate, healthier segment of the aorta. This feature makes FEVAR an option to treat patients with a diseased aortic neck or type Ia endoleak after EVAR. The aim of this investigation was to present a single-center experience with FEVAR for patients with an abdominal aortic endograft in situ compared with primary FEVAR...
November 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28495541/endovascular-repair-of-a-short-neck-abdominal-aortic-aneurysm-with-a-physician-modified-vascutek-anaconda-stent-graft
#20
Ambroise Duprey, Sabrina Ben Ahmed, Antoine Millon, Patrick Feugier, Jean-Pierre Favre, Jean-Noël Albertini
An 81-year-old woman was referred for the treatment of a 79-mm-diameter short neck abdominal aortic aneurysm with highly tortuous iliac arteries. She was considered at high risk for open repair and not suitable for standard endovascular repair given the short length of the proximal neck. Delay for a manufactured custom-made fenestrated stent graft was too long given the diameter of the aneurysm. A flexible stent graft was preferred because of severe iliac tortuosity. Endovascular repair was performed using a physician-modified Anaconda stent graft with 1 fenestration for the left renal artery...
August 2017: Annals of Vascular Surgery
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