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Minimally invasive surgery and transsulcal parafascicular approach in the evacuation of intracerebral haemorrhage

Open Journal of Veterinary Medicine（兽医学） 2024年第7期 163页

作者： Lucia garcia-Delgado Mariana Monserrath Verdía-Venegas Jacinto Bañuelos-Pineda Esther Albarrán-Rodríguez Guillermo Nolasco-Rodriguez José ricardo Cuellar-Pérez Sergio Fausto-Guerra Manuel Rosales-Cortés

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Stroke & Vascular Neurology 2020年第1期5卷 40-49页

作者： Lina Marenco-Hillembrand Paola Suarez-Meade Henry Ruiz garcia ricardo Murguia-Fuentes Erik H Middlebrooks Lindsey Kangas W David Freeman Kaisorn L Chaichana Neurological Surgery Mayo ClinicJacksonvilleFloridaUSA Radiology Neurological SurgeryMayo ClinicJacksonvilleFloridaUSA

Intracerebral haemorrhage(ICH)describes haemorrhage into the brain parenchyma that may result in a decline of the patient’s neurological *** is a common cause of morbidity and mortality *** surgical treatment for ICH has remained controversial as clinical trials have failed to demonstrate substantial improvement in patient outcome and ***,promising mechanical and pharmacological minimally invasive surgery(MIS)techniques for the treatment of ICH have been *** was designed with the objective of reducing morbidity due to complications of surgical *** MIS includes the use of tubular retractors and small diameter instruments for ICH *** methods consist of catheter placement inside the haematoma cavity for the passive drainage of the haematoma over the course of several *** of the most favourable approaches for MIS is the use of natural corridors for reaching the lesion,such as the transsulcal parafascicular *** approach provides an anatomical dissection of the subjacent white matter tracts,causing the least amount of damage while evacuating the haematoma.A detailed description of the currently known MIS techniques and devices is presented in this *** attention is given to the transsulcal parafascicular approach,which has particular benefits to provide a less traumatic MIS with promising overall patient outcome.

关键词： approach surgery cavity

Analytical/Numerical Modelling of Two Parallel Robots as Laser Calibration Instruments Controlled by Classical/Intelligent Schemes

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Journal of Control Science and Engineering 2015年第2期3卷 64-78页

作者： ricardo Zavala-Yoe ricardo A. Ramirez-Mendoza Daniel Chaparro-Altamirano JavierRuiz-garcia Tecnologico de Monterrey Escuela de lngenieriay Ciencias Calle del Puente 222 Ejidos de Huipulco 14380 Mexico City Computer Science Department Columbia University New York USA

Industrial metrology deals with measurements in production environment. It concerns calibration procedures as well as control of measurement processes. Measuring devices have been evolving from manual theodolites, electronic theodolites, robotic total stations, to a relatively new kind of laser-based systems known as laser trackers. Laser trackers are 3D coordinate measuring devices that accurately measure large （and relatively distant） objects by computing spatial coordinates of optical targets held against those objects. In addition, laser trackers are used to align truthfully large mechanical parts. However, such aligning can be done in moving parts, for instance during robot calibration in a welding line. In this case, serial robots are controlled in order to keep a prescribed trajectory to accomplish its task properly. Nevertheless, in spite of a good control algorithm design, as time goes by, deviations appear and a calibration process is necessary. It is well known that laser tracker systems are produced by very well established enterprises but their laser products may result expensive for some （small） industries. We offer two parallel robot-based laser tracker systems models whose implementation would result cheaper than sophisticated laser devices and takes advantage of the parallel robot bondages as accuracy and high payload. The types of parallel robots evaluated were 3-SPS-1-S and 6-PUS. Modelling of the parallel robots was done by analytical and numerical techniques. The latter includes classical and artificial intelligence-based algorithms. The control performance was evaluated between classical and intelligent controllers.

关键词： Parallel robots laser calibration classical and al-controllers.

Effect of Dissolved Oxygen and Inoculum Concentration on Xylose Reductase Production from <i>Candida guilliermondii</i>Using Sugarcane Bagasse Hemicellulosic Hydrolysate

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Food and Nutrition Sciences 2011年第3期2卷 235-240页

作者： Thais Suzane dos Santos Milessi Anuj Kumar Chandel ricardo de Freitas branco Sílvio Silvério da Silva 不详

This work evaluated the effect of dissolved oxygen and the initial inoculum concentration on xylose reductase (XR) production by Candida guilliermondii from sugarcane bagasse hemicellulosic hydrolysate. Both the parameters were studied under an experimental design 22 with triplicate at central point. The statistical analysis of the results indicated a significant negative effect on XR production from the variable inoculum. The variable dissolved oxygen also showed a negative effect on XR production. We found the maximum enzyme activity (2.5 U?mg?1) when both the factors were applied at their lowest levels. The yeast showed to be potentially capable for xylose reductase production when sugarcane bagasse hemicellulosic hydrolysate was used as carbon source. Also, the results presented important information for further optimization of xylose reductase attainment.

关键词： Xylose Reductase Sugarcane Bagasse Candida Guilliermondii Experimental Design

Fine mapping of genomic regions associated with female fertility in Nellore beef cattle based on sequence variants from segregating sires

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Journal of Animal Science and Biotechnology 2020年第2期11卷 303-315页

作者： Gerson A.Oliveira Júnior Daniel J.A.Santos Aline S.M.Cesar Solomon A.Boison ricardo V.Ventura Bruno C.Perez JoséF.garcia JoséBento S.Ferraz Dorian J.Garrick Department of Veterinary Medicine University of São Paulo(USP)Faculty of Animal Science and Food EngineerPirassunungaSPBrazil Department of Animal Bioscience Center for Genetic Improvement of LivestockUniversity of GuelphGuelphONCanada Department of Animal and Avian Sciences University of MarylandCollege ParkMarylandUSA Department of Animal Science University of São Paulo(USP)PiracicabaSPBrazil Department of Sustainable Agricultural Systems University of Natural Resources and Life SciencesViennaAustria Department of Animal Nutrition and Production School of Veterinary Medicine and Animal ScienceUniversity of São Paulo(USP)PirassunungaBrazil Department of Support Production and Animal HealthSchool of Veterinary MedicineSão Paulo State University(Unesp)AraçatubaSPBrazil School of Agriculture Massey UniversityRuakura Ag CentreHamiltonNew Zealand

Background:Impaired fertility in cattle limits the efficiency of livestock production *** the genetic architecture of fertility traits would facilitate their improvement by *** this study,we characterized SNP chip haplotypes at QTL blocks then used whole-genome sequencing to fine map genomic regions associated with reproduction in a population of Nellore(Bos indicus)***:The dataset comprised of 1337 heifers genotyped using a GeneSeek®Genomic Profiler panel(74677 SNPs),representing the daughters from 78 *** performing marker quality control,64800 SNPs were *** carried by each sire at six previously identified QTL on BTAs 5,14 and 18 for heifer pregnancy and BTAs 8,11 and 22 for antral follicle count were constructed using findhap *** significance of the contrasts between the effects of every two paternally-inherited haplotype alleles were used to identify sires that were heterozygous at each ***-genome sequencing data localized to the haplotypes from six sires and 20 other ancestors were used to identify sequence variants that were concordant with the haplotype *** analyses were applied to these variants using KEGG and MeSH ***:A total of six(BTA 5),six(BTA 14)and five(BTA 18)sires were heterozygous for heifer pregnancy QTL whereas six(BTA 8),fourteen(BTA 11),and five(BTA 22)sires were heterozygous for number of antral follicles’*** to inadequate representation of many haplotype alleles in the sequenced animals,fine mapping analysis could only be reliably performed for the QTL on BTA 5 and 14,which had 641 and 3733 concordant candidate sequence variants,*** KEGG“Circadian rhythm”and“Neurotrophin signaling pathway”were significantly associated with the genes in the QTL on BTA 5 whereas 32 MeSH terms were associated with the QTL on BTA *** the concordant sequence variants,0.2%and 0.3%were classified as missense variants for BTAs 5 and 14,respe

关键词： Antral follicles Causal variants Haplotype Heifer pregnancy WGS

Endovascular treatment of paravisceral mycotic aneurysm: Chimmeny endovascular sealing the end of de road

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World Journal of Cardiology 2017年第7期9卷 629-633页

作者： Martin Rabellino Pedro N Moltini Vanesa G Di Caro Jose G Chas ricardo Marenchino ricardo D garcia-Monaco Department of Interventional Radiology Hospital Italiano de Buenos Aires Department of Cardio-vascular Surgery Hospital Italiano de Buenos Aires

Open surgery is the elective treatment for mycotic aneurysms of the aorta. This surgery consists of resection of the aneurysm, debridement and revascularization with an in situ or extra-anatomic bypass. Even when surgery has been successful, the morbimortality is raised and the endovascular treatment has become an alternative for specific patients. When mycotic aneurysms involved the visceral arteries, more complex techniques are necessary such as fenestrated endovascular aortic repair or chimmeny endovascular aortic repair and the most frequent complications of this are endoleaks and oclussion the visceral arteries. We present a case of a pacient with a paravisceral abdominal mycotic aneurysms that was result with 2 chimney technique(in the right renal and superior mesenteric arteries) and a single Nellix EVAS(Endologix, Irvine, Calif) of 12 cm long without evidence of endoleaks in the follow-up.

关键词： Mycototic aneurysms Edovascular repair Aorta Endoleaks Para visceral aneurysms

A Simulation of Market-based Non-frequency Ancillary Service Procurement Based on Demand Flexibility

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Journal of Modern Power Systems and Clean Energy 2023年第3期11卷 781-792页

作者： ricardo Faia Fernando Lezama Tiago Pinto Pedro Faria Zita Vale José Manuel Terras Susete Albuquerque Research Group on Intelligent Engineering and Computing for Advanced Innovation and Development(GECAD) R.Dr.António Bernardino de Almeida4314249-015PortoPortugal E-REDES Distribuição de Eletricidade S.A.R.Camilo Castelo Branco43LisboaPortugal

This paper proposes a novel approach for the provision of non-frequency ancillary service(AS)by consumers connected to low-voltage distribution *** proposed approach considers an asymmetric pool-based local market for AS negotiation,allowing consumers to set a flexibility quantity and desired price to trade.A case study with 98 consumers illustrates the proposed market-based non-frequency AS provision ***,three different strategies of consumers’participation are implemented and tested in a real low-voltage distribution network with radial *** is shown that consumers can make a profit from the sale of their flexibility while contributing to keeping the network power losses,voltage,and current within pre-defined ***,the results demonstrate the value of AS coming directly from end-users.

关键词： Demand flexibility local electricity market ancillary service low-volatge distribution network

Diagnostic Approach of Thrombocytopenia in Pregnancy: A Review

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Open Journal of Obstetrics and Gynecology 2022年第8期12卷 784-792页

作者： John Alexander Yela Cono Sandra Ximena Olaya David ricardo Murillo-garcia Brahyan Osorio Juan David Hernández Susana Lopez de Valencia Hospital Popayán Colombia Institución Universitaria Visión de las Américas Pereira Colombia The Jewish Hospital Cincinnati USA Universidad Tecnológica de Pereira Pereira Colombia

Thrombocytopenia (defined as platelet count 9/L) is present in 7% - 12% of pregnant women at delivery. Although there are mild etiologies of this condition that are often diagnosed incidentally, there are more severe causes that can be life threating. Thrombocytopenia also has a great implication in surgical risk and regional anesthesia. A structured evaluation of thrombocytopenia is necessary to allow an adequate diagnostic approach. Here we summarized the current knowledge of thrombocytopenia in pregnancy.

关键词： Pregnancy Thrombocytopenia Gestational Thrombocytopenia Preeclampsia HELLP Syndrome Immune Thrombocytopenia Thrombotic Microangiopathy Heparin-Induced Thrombocytopenia Disseminated Intravascular Coagulation

Approach to Massive Bleeding in Obstetrics: Changing Management Paradigms Oriented by Early Goals [Early Goal Therapy in Postpartum Hemorrhage]

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Open Journal of Obstetrics and Gynecology 2021年第4期11卷 369-380页

作者： Sandra Ximena Olaya-Garay Juan David Hernandez David ricardo Murillo-garcia Manuel Andrés Garay-Fernández Obstetrics Gynecology and Critical Care Universidad de Manizales Manizales Colombia Critical Care E.S.E. Hospital Universitario San Jorge Pereira Colombia The Jewish Hospital Cincinnati OH USA Pulmonary and Critical Care Hospital Santa Clara Bogotá D.C. Colombia

Recent findings: Approximately 830 women die every day worldwide as a result of complications related to pregnancy or childbirth with obstetric hemorrhage that remains a major cause of maternal morbidity and mortality. A systematic analysis by the World Health Organization [WHO] on the global causes of maternal deaths from 2003 to 2009 found that bleeding was the leading direct cause of maternal mortality followed by hypertensive disorders and sepsis. Overall, bleeding accounted for 27.1% of all maternal deaths worldwide. The need to implement strategies that mitigate the impact of bleeding in this clinical scenario is increasingly growing. Purpose of review: The purpose of this review is to propose a management strategy based on goals established through dynamic coagulation assessment. Summary: Effective management of obstetric hemorrhage requires rapid recognition, rapid response and mobilization of the multidisciplinary team. Volumetric resuscitation, hemodynamic stability, as well as the simultaneous identification and treatment of the source of bleeding and the resolution of coagulopathy in the shortest possible time remain the cornerstones of the management of Postpartum Hemorrhage (PPH).

关键词： Bleeding Coagulopathy Postpartum Fibrinogen

Submegahertz spectral width photon pair source based on fused silica microspheres

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Photonics Research 2021年第11期9卷 2237-2252页

作者： ERASTO ORTIZ-ricardo CESAR BERTONI-OCAMPO MONICA MALDONADO-TERRON ARTURO garcia ZURITA ROBERTO RAMIREZ-ALARCON HECTOR CRUZ RAMIREZ R.CASTRO-BELTRAN ALFRED B.U’REN Instituto de Ciencias Nucleares Universidad Nacional Autonoma de MexicoApartado Postal 70-54304510 MexicoD.F.Mexico Centro de Investigaciones en Optica A.C. Loma del Bosque 115Colonia Lomas del Campestre37150 LeonGuanajuatoMexico Departamento de Ingenieria Fisica Cuerpo Academico de Mecanica EstadisticaDivison de Ciencias e IngenieriasUniversidad de Guanajuato37150 LeonGuanajuatoMexico

High-efficiency submegahertz bandwidth photon pair generators will enable the field of quantum technology to transition from laboratory demonstrations to transformational applications involving information transfer from photons to *** spontaneous parametric processes are able to achieve high-efficiency photon pair generation,the spectral bandwidth tends to be relatively large,as defined by phase-matching *** solve this fundamental limitation,we use an ultrahigh quality factor(Q)fused silica microsphere resonant cavity to form a photon pair *** present the full theory for the spontaneous four-wave mixing(SFWM)process in these devices,fully taking into account all relevant source characteristics in our *** exceptionally narrow(down to kilohertz-scale)linewidths of these devices result in a reduction in the bandwidth of the photon pair generation,allowing submegahertz spectral bandwidth to be ***,using a pump source centered around 1550 nm,photon pairs with the signal and idler modes at wavelengths close to 1540 and 1560 nm,respectively,are *** herald a single idler-mode photon by detecting the corresponding signal photon,filtered via transmission through a wavelength division multiplexing channel of *** demonstrate the extraction of the spectral profile of a single peak in the single-photon frequency comb from a measurement of the signal–idler time of emission *** improvements in device design and experimental methods enabled the narrowest spectral width(Δν=366 k Hz)to date in a heralded single-photon source based on SFWM.

关键词： fused silica spectral