Relevant bibliographies by topics / LVIS

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  1. Journal articles
  2. Dissertations / Theses
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  4. Book chapters
  5. Conference papers
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Academic literature on the topic 'LVIS'

Author: Grafiati
Published: 4 June 2021
Last updated: 2 February 2022

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Journal articles on the topic "LVIS"

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Lv, Xianli, Chuhan Jiang, and Shikai Liang. "Small ruptured and unruptured complex cerebral aneurysms: Single center experience of low-profile visualized intraluminal support stent." Journal of Neurorestoratology 07, no. 04 (2019): 235–41. http://dx.doi.org/10.26599/jnr.2019.9040025.

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Objectives:Even though low-profile visualized intraluminal support (LVIS) device is used extensively currently and provide intraluminal support in complex cerebral aneurysm embolization, only few studies have reported its clinical results. This study presents the results of patients treated with LVIS.Patients and methods:Cerebral aneurysms with an undefined neck, fusiform shape, and blood blister-like aneurysms that were treated with LVIS between May 2017 and May 2019 were reviewed retrospectively.Results:Overall, 112 aneurysms in 104 patients were treated using LVIS, and 105 LVISs were placed. Of these, 101 aneurysms (90%) were small (< 10 mm) in size, 17 were fusiform aneurysms, and 3 were blood blister-like aneurysms. Overall, 39 patients suffered a subarachnoid hemorrhage and 65 had no bleeding history. 2 patients died of internal carotid artery (ICA) thrombosis, resulting in 1.9% mortality rate. Follow-up angiography was obtained in 68 patients (65%), and the complete obliteration rate was 98.5% in 6–12 months.Conclusion:The LVIS is a safe and effective treatment for small ruptured or unruptured complex intracranial aneurysms.
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Wang, Jun, Jan Vargas, Alejandro Spiotta, Imran Chaudry, Raymond D. Turner, Jonathan Lena, and Aquilla Turk. "Stent-assisted coiling of cerebral aneurysms: a single-center clinical and angiographic analysis." Journal of NeuroInterventional Surgery 10, no. 7 (November 16, 2017): 687–92. http://dx.doi.org/10.1136/neurintsurg-2017-013272.

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ObjectiveThis study retrospectively compared the clinical and angiographic outcomes of treating cerebral aneurysms with Neuroform (NEU), Enterprise (EP), and Low-profile Visualized Intraluminal Support (LVIS/LVIS Jr) stents.Materials and methodsWe conducted a retrospective analysis of a procedural database. All aneurysm procedures using any of the three types of self-expanding nitinol stents (NEU, EP and LVIS/LVIS Jr) were included. Intra-procedure complications, post-procedure complications, and angiographic results (Raymond–Roy grade scale, RRGS) were analyzed retrospectively. A multivariate logistic regression analysis was conducted to identify predictors of intra-procedure and post-procedure complications.ResultsTwo hundred and forty-three aneurysms in 229 patients treated with stent-assisted coiling were included (NEU group: 109 aneurysms; EP group: 61 aneurysms; LVIS/LVIS Jr: 73 aneurysms). The LVIS/LVIS Jr group was associated with the lowest rate of initial complete occlusion (RRGS I: 47.9%; 35/73). Follow-up showed the proportion of RRGS I increased for all stent groups but was greatest in the LVIS/LVIS Jr group. Overall, 17 intra-procedural complications were seen in 229 patients (7.4%) and 15 post-procedural complications were found in 198 patients at follow-up (7.6%), with no differences between stent groups. Thrombotic events were the most common complications and occurred in 13 patients (13/229, 5.7%).ConclusionsAll three types of stents used to treat cerebral aneurysms with unfavorable neck were safe and effective, providing suitable support for the coil mass. LVIS/LVIS Jr promotes better progressive aneurysm complete occlusion than the other two stents but seems to cause more common intra-procedural stent-related thrombotic events and fewer post-procedural complications.
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Tian, Zhongbin, Mingqi Zhang, Gaohui Li, Rongbo Jin, Xiaochang Leng, Ying Zhang, Kun Wang, et al. "Hemodynamic differences by increasing low profile visualized intraluminal support (LVIS) stent local compaction across intracranial aneurysm orifice." Interventional Neuroradiology 26, no. 5 (August 23, 2020): 557–65. http://dx.doi.org/10.1177/1591019920952903.

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Background The Low-profile Visualized Intraluminal Support device (LVIS) has been successfully used to treat cerebral aneurysm, and the push-pull technique has been used clinically to compact the stent across aneurysm orifice. Our aim was to exhibit the hemodynamic effect of the compacted LVIS stent. Methods Two patient-specific aneurysm models were constructed from three-dimensional angiographic images. The uniform LVIS stent, compacted LVIS and Pipeline Embolization Device (PED) with or without coil embolization were virtually deployed into aneurysm models to perform hemodynamic analysis. Intra-aneurysmal flow parameters were calculated to assess hemodynamic differences among different models. Results The compacted LVIS had the highest metal coverage across the aneurysm orifice (case 1, 46.37%; case 2, 67.01%). However, the PED achieved the highest pore density (case 1, 19.56 pores/mm2; case 2, 18.07 pores/mm2). The compacted LVIS produced a much higher intra-aneurysmal flow reduction than the uniform LVIS. The PED showed a higher intra-aneurysmal flow reduction than the compacted LVIS in case 1, but the results were comparable in case 2. After stent placement, the intra-aneurysmal flow was further reduced as subsequent coil embolization. The compacted LVIS stent with coils produced a similar reduction in intra-aneurysmal flow to that of the PED. Conclusions The combined characteristics of stent metal coverage and pore density should be considered when assessing the flow diversion effects of stents. More intra-aneurysmal flow reductions could be introduced by compacted LVIS stent than the uniform one. Compared with PED, compacted LVIS stent may exhibit a flow-diverting effect comparable to that of the PED.
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Chung, Joonho, Yoshikazu Matsuda, Jessica Nelson, Kiffon Keigher, and Demetrius K. Lopes. "A new low-profile visualized intraluminal support (LVIS) device, LVIS Blue: laboratory comparison between old and new LVIS." Neurological Research 40, no. 1 (November 5, 2017): 78–85. http://dx.doi.org/10.1080/01616412.2017.1398881.

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Jankowitz, Brian Thomas, Bradley A. Gross, Santhosh Seshadhri, Gaurav Girdhar, Ashutosh Jadhav, Tudor G. Jovin, and John Michael Wainwright. "Hemodynamic differences between Pipeline and coil-adjunctive intracranial stents." Journal of NeuroInterventional Surgery 11, no. 9 (February 27, 2019): 908–11. http://dx.doi.org/10.1136/neurintsurg-2018-014439.

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IntroductionModern coil-adjunctive intracranial stent designs have increased metal surface coverage to construct putative ‘flow diverter lights.’ This is rooted in the assumption that flow diversion is linearly correlated with metal surface coverage rather than being a threshold to be reached by device porosity and design.ObjectiveTo evaluate this assumption, by performing computational flow analysis on three aneurysm models treated with low metal surface coverage stents (ATLAS and Enterprise), a Pipeline flow diverter, and the LVIS Blue stent.MethodsComputational flow analysis was performed on virtual deployment models entailing deployment of an ATLAS, Enterprise, LVIS Blue, or Pipeline. The impact of device deployment on velocity vectors at the neck, maximum wall shear stress, inflow rate into the aneurysm, and turnover time was determined.ResultsVelocity vector plots demonstrated low magnitude, localized inflow jets for Pipeline only; asymmetric, selectively high inflow jets were seen for LVIS Blue, and broader velocity vector clusters were seen for Atlas and Enterprise. Reduction in wall shear stress as compared with baseline was significant for all devices and greatest for the Pipeline. Mean peak wall shear stress was significantly lower for LVIS Blue in comparison with ATLAS or Enterprise but significantly lower for Pipeline than for LVIS Blue. Reduction of inflow rate into the aneurysm was significant for LVIS Blue and Pipeline but significantly lower for Pipeline than for LVIS Blue. Turnover time was statistically similar for ATLAS, Enterprise, and LVIS Blue, but significantly increased for Pipeline.ConclusionConsiderable differences in peak wall shear stress, inflow rates, and turnover time between flow diverters, moderate- and low-porosity stents reinforce the assumption that effective flow diversion represents a threshold in device design, encompassing metal surface coverage only in part.
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Foo, Michelle, Julian Maingard, Jonathan Hall, Yifan Ren, Goran Mitreski, Lee-Anne Slater, Ronil Chandra, et al. "Endovascular Treatment of Intracranial Aneurysms Using the Novel Low Profile Visualized Intraluminal Support EVO Stent: Multicenter Early Feasibility Experience." Neurointervention 16, no. 2 (July 1, 2021): 122–31. http://dx.doi.org/10.5469/neuroint.2021.00199.

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Purpose: Low-profile, self-expandable stents have broadened therapeutic options available for definitive treatment of intracranial aneurysms. The novel Low-Profile Visualized Intraluminal Support (LVIS) EVO stent extends upon the success of its predecessor, the LVIS Jr stent, aiming to enable higher visibility and greater opening ability within a self-expandable and fully retrievable microstent system. In this study, we aim to report the early safety and feasibility experience with the LVIS EVO stent.Materials and Methods: A multicenter, retrospective, observational study was conducted on patients who had intracranial aneurysms treated with the LVIS EVO stent across 3 Australian neurovascular centers between February 2020 and September 2020. Short-term technical and clinical outcomes were evaluated.Results: A total of 22 LVIS EVO stents were successfully implanted to treat 15 aneurysms (3 ruptured, 12 unruptured) in 15 patients. Aneurysms ranged from 2 mm to 35 mm in dome height. The LVIS EVO stent was used for stent-assisted coiling in 11 patients and flow diversion in 4 patients. There were no device-related procedural complications. There were 2 cases of peri-procedural symptomatic thromboembolic complications and no procedure-related mortality. At early radiological follow up, 10 patients had complete occlusion, 4 patients had small neck remnants, and 1 patient who was managed with flow diversion had a residual aneurysm.Conclusion: Early experience with the LVIS EVO stent demonstrated safety and feasibility for stent-assisted coiling as well as flow diversion for intracranial aneurysms. In this heterogeneous cohort, including ruptured, complex, and large aneurysms, all cases were technically successful.
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Sirakov, Alexander, Pervinder Bhogal, Markus Möhlenbruch, and Stanimir Sirakov. "Endovascular treatment of patients with intracranial aneurysms: feasibility and successful employment of a new low profile visible intraluminal support (LVIS) EVO stent." Neuroradiology Journal 33, no. 5 (July 21, 2020): 377–85. http://dx.doi.org/10.1177/1971400920941402.

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Background and purpose Low-profile self-expandable stents have increased the number of intracranial aneurysms treated by endovascular means. The new low-profile visible intraluminal support device LVIS EVO (Microvention), the successor of LVIS Jr, is a self-expandable and retrievable microstent system, designed for implantation into intracranial arteries with a diameter up to 2.0 mm. In this retrospective study we aimed to elucidate the technical feasibility and clinical safety of the novel LVIS EVO stent for stent-assisted coil embolisation of intracranial aneurysms. Materials and methods A single centre technical report of the first six consecutive cases of stent-assisted coil embolisation with the novel LVIS EVO stent for the treatment of unruptured or recanalised intracranial aneurysms. Records were made of basic demographics, aneurysmal characteristics, device properties and related technical details, adverse events, clinical outcomes and occlusion rates on available radiological follow-up. Results Six LVIS EVO devices were successfully implanted in all subjects to treat a total number of six intracranial aneurysms. No device-related intraprocedural complications were seen. At early clinical follow-up six out of six (100%) patients had a modified Ranking score of 0–1. Early angiographic and cross-sectional radiological follow-up, available in five out of six (83.3%) of the patients confirmed unchanged aneurysmal occlusion rates. A minor, transitory neurological deficit was recorded in one of the six (16.6%) patients. Mortality was 0%. Conclusions Preliminary experience in this subset of our patients confirms a notably improved technical behaviour of the novel LVIS EVO stent system when compared to its ancestor LVIS Jr. The enhanced visibility of the stent and the refined delivery/retrieval capabilities of the stent further increase the safety margins of the devices profile, especially in cases of tortuous anatomy.
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Shankar, Jai Jai Shiva, Aiman Quateen, Alain Weill, Donatella Tampieri, Maria Del Pilar Cortes, Robert Fahed, Satya Patro, et al. "Canadian Registry of LVIS Jr for Treatment of Intracranial Aneurysms (CaRLA)." Journal of NeuroInterventional Surgery 9, no. 9 (August 19, 2016): 849–53. http://dx.doi.org/10.1136/neurintsurg-2016-012611.

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IntroductionStents reduce the rate of angiographic recurrence of intracranial aneurysms. The newest stent for intracranial use is the Low-profile Visible Intraluminal Support device (LVIS Jr).ObjectiveTo assess the efficacy of the new stent in a multicenter retrospective registry.Materials and methodCenters across Canada using LVIS Jr were contacted and asked to participate in a retrospective registry of consecutive patients treated with LVIS Jr for intracranial aneurysms between January 2013 and July 2015.ResultsA total of 102 patients, with saccular aneurysms in 100 patients (72 women; age range 21–78 years; mean 56.0 years; median 57.5 years) were treated with a LVIS Jr stent. The mean maximum diameter of the dome and neck of the aneurysm and dome to neck ratios were 8.3 mm±7.7 mm, 4.4 mm±1.9 mm, and 1.86±1.22, respectively. Angiographic complications arose in 23 patients, clinical complications in 9 patients, and only 3% of permanent neurological deficits occurred. Death occurred in 1 patient, unrelated to the stent. The ruptured status of the aneurysms (OR=3.29; p=0.046) and use of LVIS Jr for bailout (OR=2.54; p=0.053) showed a trend towards significant association with higher angiographic complications. At the last available follow-up, 68 class I, 20 class II, and 12 class III results were seen.ConclusionsThe LVIS Jr stent is a safe and effective device for stent-assisted coiling, with 3% permanent neurological complications. Stent-assisted coiling continues to be technically challenging in cases of ruptured aneurysms and bailout situations.
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Wang, Chuanchuan, Yina Wu, Zhengzhe Feng, Jing Wang, Qiang Li, Rui Zhao, Bo Hong, et al. "Preliminary experience with the use of low profile visualized intraluminal support device in basilar artery for aneurysm treatment." Journal of NeuroInterventional Surgery 11, no. 4 (November 10, 2018): 405–10. http://dx.doi.org/10.1136/neurintsurg-2018-014393.

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BackgroundThe low profile visualized intraluminal support (LVIS) device is being increasingly used for the treatment of intracranial aneurysms. Its application in the basilar artery (BA) has not yet been reported.ObjectiveTo evaluate the safety and early efficacy of the LVIS device for the treatment of BA aneurysms.MethodsA prospectively maintained database was retrospectively reviewed for all patients with BA aneurysms treated by LVIS stents at our institution. Angiographic results were evaluated using the modified Raymond–Roy classification (mRRC).Results23 patients (mean age 52.8 years) with a BA aneurysm that was treated by LVIS stent implantation, with (n=21) or without (n=2) adjunctive coiling, were included in our study. 7 aneurysms were treated in the setting of subarachnoid hemorrhage (SAH). 10 aneurysms were located at the basilar tip, 10 at the basilar trunk, and 3 at the superior cerebellar artery. Procedure related complications developed in three patients (13%), including two perforator infarction and one worsening mass effect. Complications resulted in permanent morbidity (4%) in one case. One fatality was related to severe poor grade SAH. At a mean follow-up of 6.9 months, 13 of the 20 patients were mRRC I closure, 3 were mRRC II closure with an improvement from class IIIa, 3 were observed to be recanalized from class IIIa to IIIb, and 1 with stenting only was still patent similar to the immediate angiography.ConclusionThe LVIS stent represents a feasible and safe option for endovascular embolization of BA aneurysms. Although recanalization may occur after LVIS treatment, the mid term complete occlusion rate was acceptable.
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Xue, Gaici, Qiao Zuo, Haishuang Tang, Xiaoxi Zhang, Guoli Duan, Zhengzhe Feng, Qiang Li, et al. "Comparison of Low-Profiled Visualized Intraluminal Support Stent-Assisted Coiling and Coiling Only for Acutely Ruptured Intracranial Aneurysms: Safety and Efficacy Based on a Propensity Score-Matched Cohort Study." Neurosurgery 87, no. 3 (May 16, 2020): 584–91. http://dx.doi.org/10.1093/neuros/nyaa110.

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Abstract BACKGROUND Low-profiled visualized intraluminal support (LVIS) is suggested as a promising stent for complex intracranial aneurysms. However, the safety and efficacy of LVIS-assisted coiling of acutely ruptured wide-necked intracranial aneurysms have not been well reported. OBJECTIVE To evaluate the safety and efficacy of LVIS-assisted coiling of acutely ruptured wide-necked intracranial aneurysms compared with contemporary coiling-only strategy via propensity score matching in a high-volume center. METHODS A retrospective review of patients with acutely ruptured intracranial aneurysms who underwent LVIS stent placement or coiling only from November 2013 to October 2017 was performed. Perioperative procedure-related complications and clinical and angiographic follow-up outcomes were compared. RESULTS All baseline characteristics were equivalent between the 2 groups except for neck size. The immediate angiographic results, procedure-related complications, procedure-related mortality, and clinical outcomes between the 2 groups demonstrated no significant differences (P = .087, P = .207, P = .685, and P = .865, respectively). The angiographic follow-up outcomes of the LVIS-assisted coiling group showed a significantly higher complete occlusion rate and lower recurrence rate compared with the coiling-only group (92.3% vs 59.9%, 4.8% vs 26.1%, P &lt; .001). Multivariable analysis showed no significant predictors for the overall perioperative procedure-related complications, hemorrhagic complications, and ischemic complications. CONCLUSION The LVIS stent is a safe and effective device for stent-assisted coiling of acutely ruptured wide-necked intracranial aneurysms, with comparable procedure-related complication rates, higher complete occlusion rates, and lower recurrence rates at follow-up compared with coiling only.
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Dissertations / Theses on the topic "LVIS"

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Casella, Marilena. "Libanio, Orationes LVI, LVII, XLVI : introduzione, traduzione e commento storico." Paris, EHESS, 2005. http://www.theses.fr/2005EHES0126.

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Le travail se signale par le fait de présenter pour la première fois la traduction, l'analyse et le commentaire de trois discours qui n'ont pas encore fait l'objet d'une traduction en langue moderne. Dans l'introduction sont concentrés les aspects les plus particuliers et les plus nouveaux de la recherche. Les textes, caractérisés par des artifices rhétoriques et des fondements idéologiques, à une première lecture, suscitent une certaine méfiance. Mais tout d'abord l'analyse interne des discours et la comparaison, là où c'est possible, et ensuite la documentation objective ont ouvert la possibilité d'une utilisation de ces discours comme documents historiques, après une lecture du texte, qui, en hiérarchisant ses niveaux de signification, a permis d'en tirer des problématiques concrètes. Dans ces orationes, qui se sont donné le politique comme champ littéraire, s'affirme la volonté indéfectible de Libanios d'exprimer une opinion, la sienne, sur la gestion des affaires publiques d'Antioche
The work of research draws attention to himself because he offers for the first time the translation, the analyse and the commentary of three speech who weren't too subject of a translation in modern language. In the introduction are centred the aspects the more particular and latest of the research. The texts, distinguished by artifices rhetoric and bases ideological, cause a certain distrust. But, the internal analyse of the speech and the comparison, where there is possible, and then the objective documentation opened the possibility of an use of three speech as historical documents, after a reading of the text who permitted to draw real problems. In these orationes, who have the political as literary scope, asserts oneself Libanios' willpower to express his opinion about the management of public events at Antioch
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Erickson, Christopher Joseph. "Development of a Strontium-87 Ion Interferometer." BYU ScholarsArchive, 2011. https://scholarsarchive.byu.edu/etd/2750.

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I present the construction of a low-velocity intense source (LVIS) of laser-cooled neutral strontium using permanent ring magnets. The LVIS consists of a magneto-optical trap from which cold strontium is extracted in a well-collimated beam. I also present the development and implementation of a full suite of low-noise, high-bandwidth laser control electronics including a microcontroller unit. This microcontroller remotely controls and monitors the current driver, temperature controller, and PID lock circuit for each diode laser simultaneously. The current driver output is accurate to within 2 micro-amps and repeatable to with a few nano-amps. The noise spectral density of the current driver hits a floor of 10^(-10) amps per root Hz at ~50 Hz and has a modulation bandwidth of ~50 MHz. The PID lock-circuit includes a scan-balancing option that we have used to scan an AR coated laser diode ~30 GHz mode-hop free. I describe the construction of an 80 mW frequency doubled 461 nm laser system using PPKTP for cooling and trapping neutral strontium in the LVIS. The LVIS, the electronics systems, and the 461 nm laser system represent major milestones on the way to producing a matter-wave interferometer using Sr-87 ions. The interferometer is based on an optical Raman transition between the hyperfine ground states of the Sr-87 ion. The ions will be produced by exciting the strontium LVIS beam to an auto-ionizing state in the continuum. In the interferometer two half-pi pulses of light and one pi pulse will be delivered to the ions to split and recombine their wave functions. I present calculations of the predicted sensitivity and a discussion of the possible applications. I present a method for locking a 407.8 nm laser to the 5s doublet S J=1/2 to 5p doublet P J=3/2 strontium ion transition in a neutral vapor. I present calculations for the necessary vacuum levels for the experiment and describe the preparation and assembly of the vacuum apparatus. The major vacuum system consists of two connected elastomer sealed chambers: one at 10^(-7) Torr and the other at 10^(-10) Torr separated by a region of low conductance. I present a Sr vapor cell constructed from standard CF fittings that allows the strontium to be heated to ~730 C, which can also be run as a thermal beam. I present a method for protecting the viewports on small-form alkali-earth vapor cells using lead or indium foil during the evaporation of oxide layers. Finally, I report on the current status of the experiment as well as detail future work on the apparatus.
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Wheelock-Davis, Emily J. "Elevation Changes in Greenland over Two Decades from Cross-Platform LIDAR Analysis." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1366223499.

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László, Ferenc. "Miculi-Symposium in Lviv." Internationale Arbeitsgemeinschaft für die Musikgeschichte in Mittel- und Osteuropa an der Universität Leipzig, 1999. https://ul.qucosa.de/id/qucosa%3A15670.

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Vom 20. bis zum 21. März beherbergte die Musikakadernie Mykola Lyssenko aus Lviv (Lemberg, Leopol, Lwow) - die Hauptstadt des historischen Galiziens, heute das Herz der westlichen Ukraine - ein internationales Symposium, das dem Komponisten, Pianisten, Dirigenten und Pädagogen Carol Miculi (1858-1897) gewidmet war, welcher in der zweiten Hälfte seines Lebens der bedeutendste Musiker der Stadt war.
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László, Ferenc. "Miculi-Symposium in Lviv." Universitätsbibliothek Leipzig, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-225426.

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Vom 20. bis zum 21. März beherbergte die Musikakadernie Mykola Lyssenko aus Lviv (Lemberg, Leopol, Lwow) -die Hauptstadt des historischen Galiziens, heute das Herz der westlichen Ukraine -ein internationales Symposium, das dem Komponisten, Pianisten, Dirigenten und Pädagogen Carol Miculi (1858-1897) gewidmet war, welcher in der zweiten Hälfte seines Lebens der bedeutendste Musiker der Stadt war.
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Rathert, Wolfgang. "Werk und Text bei Charles lves." Bärenreiter Verlag, 1998. https://slub.qucosa.de/id/qucosa%3A36841.

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Klauda, Zbyněk. "Návrh sběrnice LVDS s vysokou odolností EMC." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2008. http://www.nusl.cz/ntk/nusl-217695.

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My thesis deals with project of LVDS busbar with high resistivity with regard to disturbance from surroundings and radiation undesirable electromagnetic waves into its environment. Project of LVDS busbar was elaborated by numeric methods and it was suggested optimal solution of the shape and material of multiply technology DPS. The project was realized on desired driving-point impenance of busbar Z=100 ohm with frequency f1=100 MHz of the first harmonic component rectangular signal of defind modality, entering and diagonal edge.
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Jakubjak, Jarema. "Bericht über die Österreichische Bibliothek in Lviv." Universitätsbibliothek Leipzig, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-223141.

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1992 wurde in Lviv die Österreichische Bibliothek als Abteilung der Stefanyk-Bibliothek der Adademie der Wissenschaften gegründet. Hier kann man ältere und neuere deutschsprachige Literatur (einschließlich Zeitschriften) studieren.
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Macka, Jan. "Kontrolní pevnostní propočet hnacího ústrojí LVS 511." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-232138.

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This master’s thesis deals with analysis of the gearbox housing of forwarder LVS 511. Theme is designed by Strojírna Novotný s.r.o. Objective of the work is to perform strain stress analysis of gear housing and main transmission shaft. The main part of the thesis is focused on creating of finite element model and evaluation in NX I-Deas software.
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Hellman, Johan. "Implementation of a Low-Cost Analog-to-Digital Converter for Audio Applications Using an FPGA." Thesis, Linköpings universitet, Elektroniksystem, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-96009.

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The aim of this master’s thesis is to implement an ADC (Analog-to-Digital Converter) foraudio applications using external components together with an FPGA (Field-ProgrammableGate Array). The focus is on making the ADC low-cost and it is desirable to achieve 16-bitresolution at 48 KS/s. Since large FPGA’s have numerous I/O-pins, there are usually someunused pins and logic available in the FPGA that can be used for other purposes. This istaken advantage of, to make the ADC as low-cost as possible.This thesis presents two solutions: (1) a - (Sigma-Delta) converter with a first order passive loop-filter and (2) a - converter with a second order active loop-filter. The solutionshave been designed on a PCB (Printed Curcuit Board) with a Xilinx Spartan-6 FPGA. Bothsolutions take advantage of the LVDS (Low-Voltage-Differential-Signaling) input buffers inthe FPGA.(1) achieves a peak SNDR (Signal-to-noise-and-distortion-ratio) of 62.3 dB (ENOB (Effectivenumber of bits) 10.06 bits) and (2) achieves a peak SNDR of 80.3 dB (ENOB 13.04). (1) isvery low-cost ($0.06) but is not suitable for high-precision audio applications. (2) costs $0.53for mono audio and $0.71 for stereo audio and is comparable with the solution used today:an external ADC (PCM1807).
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Books on the topic "LVIS"

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Storie di ordinaria corruzione: Libanio, Orazioni lvi, lvii, xlvi. Messina: Di.Sc.AM, 2010.

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Steklač, Vojtěch. Lví dvůr. Praha: Nakl. Svoboda, 1991.

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Hoi︠a︡n, I︠A︡rema. Lviv region. Kiev: Ukraina Society, 1988.

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Rapawy, Stephen. Profile of Lviv. Washington, D.C: Center for International Research, U.S. Bureau of the Census, 1994.

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Čejka, Jaroslav. Milování se lví ozvěnou. Praha: Československý spisovatel, 1985.

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Ullstein, Sue. Thee lves and the shoemaker. Loughborough: Ladybird, 1987.

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Harper, David E. Project LVTS Amtanks: LVT2, LVTA2. Moscow Hills, MO: Letterman Publications, 2003.

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V, Pylyp'i͡u︡k, ed. Lʹvivsʹka opera = The Lviv Opera House. Lʹviv: "Svitlo ĭ tinʹ", 2000.

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Kamhi, Nadja. LVTS, the overnight market, and monetary policy. Ottawa: Bank of Canada, 2006.

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Ivan, Petriv, ed. Lʹviv sobornyĭ =: Lviv cathedrals = Lwow Katedralny ; [fotoalʹbom]. Lʹviv: "Svitlo ĭ tinʹ", 2001.

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Book chapters on the topic "LVIS"

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Puri, Ajit S., and Rajsrinivas Parthasarathy. "Y Stenting and Coil Embolisation of Broad-Based Aneurysm Using LVIS Jr. Stents." In 100 Interesting Case Studies in Neurointervention: Tips and Tricks, 83–88. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-1346-2_22.

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McKenna, Robert J. "LVRS Videotoracoscopica." In Chirurgia Toracica Videoassistita, 135–38. Milano: Springer Milan, 2006. http://dx.doi.org/10.1007/978-88-470-0522-8_14.

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Vetter, H. O., E. Schmitz, and R. Schmitz. "Novacor®LVAS." In Synopsis der biologischen und mechanischen Kreislaufunterstützung, 111–16. Heidelberg: Steinkopff, 2003. http://dx.doi.org/10.1007/978-3-642-57385-9_12.

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"Room LVI.-Inscribed Ostraka, etc. Room LVII.-Inscribed Papyri." In Notes For Travellers In Egypt, 627–28. Routledge, 2013. http://dx.doi.org/10.4324/9780203040379-84.

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Livius], Livy [Titus. "LVII." In Oxford Classical Texts: Titi Livi: Ab Vrbe Condita, Vol. 6: Libri XXXVI–XL, edited by Peter G. Walsh, 342. Oxford University Press, 1999. http://dx.doi.org/10.1093/oseo/instance.00093599.

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Livius], Livy [Titus. "LVII." In Oxford Classical Texts: Titi Livi: Ab Vrbe Condita, Vol. 6: Libri XXXVI–XL, edited by Peter G. Walsh, 126–27. Oxford University Press, 1999. http://dx.doi.org/10.1093/oseo/instance.00093420.

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Livius], Livy [Titus. "LVII." In Oxford Classical Texts: Titi Livi: Ab Vrbe Condita, Vol. 6: Libri XXXVI–XL, edited by Peter G. Walsh, 204. Oxford University Press, 1999. http://dx.doi.org/10.1093/oseo/instance.00093481.

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Columella], Columella [Lucius Junius Moderatus. "LVII." In Oxford Classical Texts: L. Iuni Moderati Columellae: Res Rustica; Incerti Auctoris: Liber de Arboribus, edited by R. H. Rodgers. Oxford University Press, 2010. http://dx.doi.org/10.1093/oseo/instance.00148406.

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Caesar], Caesar [Gaius Julius. "LVII." In Oxford Classical Texts: C. Iuli Caesaris Commentariorum: Libri III De Bello Civili, edited by Cynthia Damon. Oxford University Press, 2015. http://dx.doi.org/10.1093/oseo/instance.00207655.

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Caesar], Caesar [Gaius Julius. "LVII." In Oxford Classical Texts: C. Iuli Caesaris Commentariorum: Libri III De Bello Civili, edited by Cynthia Damon, 125. Oxford University Press, 2015. http://dx.doi.org/10.1093/oseo/instance.00207788.

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Conference papers on the topic "LVIS"

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Gupta, Agrim, Piotr Dollar, and Ross Girshick. "LVIS: A Dataset for Large Vocabulary Instance Segmentation." In 2019 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR). IEEE, 2019. http://dx.doi.org/10.1109/cvpr.2019.00550.

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Edberg, Donald L., Bruce Bartos, James C. Goodding, Paul S. Wilke, and Torey Davis. "Passive and active launch vibration studies in the LVIS program." In 5th Annual International Symposium on Smart Structures and Materials, edited by L. Porter Davis. SPIE, 1998. http://dx.doi.org/10.1117/12.310703.

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Aydan, Go¨ksu, Ender Cig˘erog˘lu, and S. C¸ag˘lar Bas¸lamıs¸lı. "Application of Tuned Mass Dampers and Lever Type Vibration Isolator to the Quarter-Car Model in Order to Increase Ride Comfort." In ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2010. http://dx.doi.org/10.1115/esda2010-24277.

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In this paper, performance of passive vibration isolators, namely rotational / linear tuned mass dampers (TMD) and lever type vibration isolators (LVI), are investigated under different configurations for optimal ride comfort. TMDs reduce vibration levels by absorbing the energy of the system, especially around natural frequencies with the help of viscous dampers. Two types of TMDs, rotational and linear, are investigated in this study. Although linear TMDs can be more easily implemented on suspension systems, rotational TMDs show better performance in reducing vibration levels. The reason is that, the inertia effect of rotational TMDs is higher than linear TMDs. In order to obtain better results with TMDs, a study on different possible configurations is conducted. A plate, with very small mass, is added between sprung and unsprung masses without changing the original suspension spring stiffness and damping coefficients and acts as a support for in-series TMD applications. Finally, LVIs are implemented to reduce sprung mass acceleration and more satisfactory results are obtained especially around body bounce frequency.
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Deits, Robin, Twan Koolen, and Russ Tedrake. "LVIS: Learning from Value Function Intervals for Contact-Aware Robot Controllers." In 2019 International Conference on Robotics and Automation (ICRA). IEEE, 2019. http://dx.doi.org/10.1109/icra.2019.8794352.

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Huang, Wenli, Guoqing Sun, Ralph Dubayah, Zhiyu Zhang, and Wenjian Ni. "Mapping forest above-ground biomass and its changes from LVIS waveform data." In IGARSS 2012 - 2012 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2012. http://dx.doi.org/10.1109/igarss.2012.6352096.

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Wilke, P., Eugene Fosness, T. Davis, D. Edberg, P. Wilke, Eugene Fosness, T. Davis, and D. Edberg. "On the design and testing of a spacecraft launch vibration isolation system (LVIS)." In 38th Structures, Structural Dynamics, and Materials Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1997. http://dx.doi.org/10.2514/6.1997-1204.

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Almandoz, J. Delgado, Y. Kayan, A. Wallace, J. Scholz, A. Milner, J. Fease, and M. Mulder. "E-052 Institutional experience with the LVIS JR stent for treatment of intracranial aneurysms." In SNIS 15TH ANNUAL MEETING, July 23–26, 2018, Hilton San Francisco Union Square San Francisco, CA. BMA House, Tavistock Square, London, WC1H 9JR: BMJ Publishing Group Ltd., 2018. http://dx.doi.org/10.1136/neurintsurg-2018-snis.128.

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Kislitsin, D., R. Kiselev, A. Gorbatykh, A. Alshevskaya, and K. Orlov. "E-056 Uncommon techniques of LVIS JR stent-assisted coil embolization of cerebral aneurysms." In SNIS 15TH ANNUAL MEETING, July 23–26, 2018, Hilton San Francisco Union Square San Francisco, CA. BMA House, Tavistock Square, London, WC1H 9JR: BMJ Publishing Group Ltd., 2018. http://dx.doi.org/10.1136/neurintsurg-2018-snis.132.

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Jagadeesan, B., A. Grande, and R. Tummala. "E-090 Initial experience with the lvis d stent system for treatment of intracranial aneurysms." In SNIS 14TH, Annual Meeting, July 24–27, 2017, The Broadmoor, Colorado Springs, CO. BMA House, Tavistock Square, London, WC1H 9JR: BMJ Publishing Group Ltd., 2017. http://dx.doi.org/10.1136/neurintsurg-2017-snis.162.

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Yin, Tiangang, Jean-Philippe Gastellu-Etchegorry, and Leslie K. Norford. "Recent advances of modeling lidar data using dart and radiometric calibration coefficient from LVIS waveforms comparison." In 2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS). IEEE, 2017. http://dx.doi.org/10.1109/igarss.2017.8127242.

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Reports on the topic "LVIS"

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Jaos, Leo, and Davide Braga. Characterization of LVDS Transmission Data Integrity. Office of Scientific and Technical Information (OSTI), July 2019. http://dx.doi.org/10.2172/1618054.

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Martínez-Ventura, Ana Constanza, and Freddy Hernán Cepeda-López. Free-riding on liquidity in the colombian LVPS. Bogotá, Colombia: Banco de la República, December 2016. http://dx.doi.org/10.32468/be.977.

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Ashmore, Colin. Logistic Vehicle System (LVS) Mod Demo Vehicle Armour Protection Kit Installation. Fort Belvoir, VA: Defense Technical Information Center, August 2001. http://dx.doi.org/10.21236/ada401565.

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Rapisarda, Stefano M., Paul M. Rubinov, and Neal G. Wilcer. D-Zero detector electronics Run IIb upgrade project: VME LVDS SERDES buff (VLSB) module specification. Office of Scientific and Technical Information (OSTI), March 2011. http://dx.doi.org/10.2172/1128114.

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DDL OMNI ENGINEERING MCLEAN VA. Corrosion Control Options for the U.S. Marine Corps Logistics Vehicle System (LVS). Fort Belvoir, VA: Defense Technical Information Center, January 1998. http://dx.doi.org/10.21236/ada401385.

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CESARONI TECHNOLOGY INC MARTINSBURG WV. Lightweight Cooling Component Development (LCCD) Program. Polymeric LVS Cooling System Design Report. Fort Belvoir, VA: Defense Technical Information Center, August 1998. http://dx.doi.org/10.21236/ada402058.

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Duewer, David L., and Jeanice B. Thomas. NIST micronutrients measurement quality assurance program winter 2005 comparability studies : results for round robin LVII fat-soluble vitamins and carotenoids in human serum and round robin 22 ascorbic acid in human serum. National Institute of Standards and Technology, June 2013. http://dx.doi.org/10.6028/nist.ir.7880-15.

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Duewer, David L., and Jeanice B. Thomas. NIST micronutrients measurement quality assurance program summer 2004 comparability studies : results for round robin LVI fat-soluble vitamins and carotenoids in human serum and round robin 21 ascorbic acid in human serum. National Institute of Standards and Technology, June 2013. http://dx.doi.org/10.6028/nist.ir.7880-16.

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Zinenko, Olena. THE SPECIFICITY OF INTERACTION OF JOURNALISTS WITH THE PUBLIC IN COVERAGE OF PUBLIC EVENTS ON SOCIAL TOPICS. Ivan Franko National University of Lviv, February 2021. http://dx.doi.org/10.30970/vjo.2021.49.11056.

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Consideration of aspects of the functioning of mass media in society requires a comprehensive approach based on universal media theory. The article presents an attempt to consider public events in terms of a functional approach to understanding the media, proposed by media theorist Dennis McQuayl in the theory of mass communication. Public events are analyzed, on the one hand, as a complex object of journalistic reflection and, on the other hand, as a situational media that examines the relationship of agents of the social and media fields in the space of communication interaction. Taking into account philosophical approaches to the interpretation of the concept of event, considering its semantic spectrum, specificity of use and synonyms in the Ukrainian language, a working definition of the concept of public event is given. Based on case-analysis of public events, In accordance with the functions of the media the functions of public events are outlined. This is is promising for the development of study on typology of public events in the context of mass communication theory. The realization of the functions of public events as situational media is illustrated with such vivid examples of cultural events as «Gogolfest» and «Book Forum in Lviv». The author shows that a functional approach to understanding public events in society and their place in the space of mass communication, opens prospects for studying the role of media in reflecting the phenomena of social reality, clarifying the presence and quality of communication between media producers and media consumers.
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