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Dissertations / Theses on the topic 'Pet Surgery'

Author: Grafiati

Published: 28 July 2024

Last updated: 31 July 2025

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1

Andersson, Gerhard. "Clinical Aspects of Tinnitus- Course, Cognition, PET, and the Internet." Doctoral thesis, Uppsala University, Department of Surgical Sciences, 2000. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-539.

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<p>The purpose of this thesis was to develop novel ways to study tinnitus, to investigate the course of tinnitus, and to study the effects of cognitive-behaviour therapy on tinnitus related distress. Data from 377 tinnitus patients were collected.</p><p>A group of 216 patients completed audiological measures and were assessed in a structured interview. The Klockhoff and Lindblom's grading system was used and its inter-rater reliability assessed in a subsample showing a high degree of correspondence. A discriminant analysis showed that a substantial proportion of patients could be correctly cla

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Sargent, Brandon Scott. "Using Collapsible Systems to Mitigate Buckling in Thin Flexible Instruments in Robotic Surgery." BYU ScholarsArchive, 2018. https://scholarsarchive.byu.edu/etd/7341.

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Robotic surgery procedures may include long, thin flexible instruments that are inserted by the robot into the patient. As the robot inserts these devices, due to their geometry, they are prone to buckling failure. To mitigate buckling failure, a support system is needed on the robot. This system supports the device but also adapts to the varying ex vivo length of the device as it is inserted. This work presents four collapsible support systems designed to mitigate buckling failure of long, thin instruments while accounting for changing length. The Ori-Guide is an origami-inspired system that

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Xie, Guoming 1963. "Exploration of the mechanisms of unconsciousness induced by propofol with positron emission tomography (PET) functional brain imaging." Thesis, McGill University, 2006. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=102770.

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In anesthesia practice, consciousness is often equated with the waking state and with the ability to respond to stimuli in the integrated manner. The reversible loss of consciousness is induced by the general anesthetic, which have a wide range of molecular structure and physicochemical characteristics. The mechanisms of unconsciousness induced by anesthetic agents are not well understood. The studies I have conducted for my Ph.D. have focused on how anesthetic drugs produce unconsciousness in human subjects. In two separate PET studies, receptor imaging and regional CBF analysis were used to

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Fotros, Aryandokht. "Cocaine cue-induced dopamine release in Amygdala and Hippocampus: a high-resolution PET [18F] Fallypride study in cocaine dependent participants." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=117142.

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Background: Drug related cues are potent triggers for relapse in people with cocaine dependence. Dopamine release within a limbic network of striatum, amygdala and hippocampus has been implicated in animal studies, but in humans it has been possible to measure effects in the striatum only. The objective here was to measure dopamine release in the amygdala and hippocampus using high-resolution PET with [18F]fallypride. Methods: Twelve cocaine dependent volunteers (mean age: 39.6±8.0; years of cocaine use: 15.9±7.4) underwent two [18F]fallypride HRRT PET scans, one with exposure to neutral cues

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Schackert, Gabriele, and Ralf Steinmeier. "Neurochirurgie – aktuelle und zukünftige Konzepte einer verbesserten operativen Therapie." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-135080.

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Schackert, Gabriele, and Ralf Steinmeier. "Neurochirurgie – aktuelle und zukünftige Konzepte einer verbesserten operativen Therapie." Karger, 2002. https://tud.qucosa.de/id/qucosa%3A27617.

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7

Shen, Jun. "Framework for ultrasonography-based augmented reality in robotic surgery : application to transoral surgery and gastrointestinal surgery." Thesis, Rennes 1, 2019. http://www.theses.fr/2019REN1S078.

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Cette thèse porte sur le développement d’une solution de réalité augmentée dans le cadre de la chirurgie robotisée et plus particulièrement pour la chirurgie transorale des tumeurs de la base de langue et la chirurgie laparoscopique des cancers du bas rectum. Une des problématiques pour les chirurgiens est de repérer sur la vue endoscopique les limites de la tumeur et les marges de résections. Celles-ci sont en effet non visibles directement. L’échographie peropératoire est largement utilisée pour repérer les tumeurs lors des interventions. Nous proposons donc une solution de réalité augmentée

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Hawthorne, Alicia Lynn. "The Development and Regeneration of the Serotonergic System." Case Western Reserve University School of Graduate Studies / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=case1264027000.

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Salvadeo, Danielle Marie. "TO PEE OR NOT TO PEE: A CHARACTERIZATION OF CANINE BLADDER PHYSIOLOGY FOLLOWING LONG-TERM LOWER SPINAL ROOT TRANSECTION AND SURGICAL REINNERVATION." Diss., Temple University Libraries, 2019. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/561128.

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Biomedical Sciences<br>Ph.D.<br>Bladder incontinence in patients who suffer from sacral spinal cord injury can wreak havoc on one's quality of life. A 2012 survey suggests that patients who sustain spinal cord injury prioritize the recovery of bladder function over other faculties. With about 12,000 new spinal cord injury cases reported in the United States each year, finding ways to combat the disabilities that result from lower spinal cord dysfunction should be of utmost importance to the scientific research community. Prior to studying the effects of surgical reinnervation on the bladder af

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Torrents, Barrena Jordina. "Deep learning -based segmentation methods for computer-assisted fetal surgery." Doctoral thesis, Universitat Pompeu Fabra, 2019. http://hdl.handle.net/10803/668188.

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This thesis focuses on the development of deep learning-based image processing techniques for the detection and segmentation of fetal structures in magnetic resonance imaging (MRI) and 3D ultrasound (US) images of singleton and twin pregnancies. Special attention is laid on monochorionic twins affected by the twin-to-twin transfusion syndrome (TTTS). In this context, we propose the first TTTS fetal surgery planning and simulation platform. Different approaches are utilized to automatically segment the mother’s soft tissue, uterus, placenta, its peripheral blood vessels, and umbilical cord from

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Nevin, Michael. "The role of per-operative monitoring in the prevention of neurological deficit following coronary artery bypass surgery." Thesis, University College London (University of London), 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.407240.

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Lauterio, Jessica. "Progettazione e sviluppo di un simulatore per la guida di procedure ricostruttive maxillofacciali con realtà aumentata." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019.

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La ricostruzione oro-mandibolare è una particolare tecnica chirurgica che ha l’obiettivo di ripristinare le normali condizioni anatomiche, funzionali ed estetiche di strutture mutilate a seguito di traumi, malformazioni o resezioni oncologiche. Attualmente la tecnica più comunemente impiegata per la ricostruzione oro-mandibolare è quella basata sul prelievo di un lembo libero rivascolarizzato di fibula. Il prelievo del lembo costituisce la parte più delicata dell’intervento.La tecnica chirurgica tradizionale per questi tipi di interventi si basa esclusivamente su un sistema di misurazioni eseg

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Vincent, Marion. "Measuring the effects of direct electrical stimulation during awake surgery of low grade glioma." Thesis, Montpellier, 2017. http://www.theses.fr/2017MONTS054.

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La "chirurgie éveillée du cerveau" consiste à retirer des tumeurs cérébrales infiltrantes (gliomes de bas grade, GIBG) à progression lente chez un patient éveillé. Une cartographie anatomo-fonctionnelle du cerveau est réalisée par stimulation électrique directe (SED) des zones proches de la tumeur afin de discriminer les aires cérébrales fonctionnelles de celles qui ne le sont plus. Les effets inhibiteurs de la stimulation sont mis en évidence par les tests neuropsychologiques réalisés par le patient lors de la chirurgie. Cependant, la SED est paramétrée de manière totalement empirique bien qu

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Armés, Carolina Gayán Y. Sancho da Silva. "Pes varus em Dachshund." Master's thesis, Universidade de Lisboa, Faculdade de Medicina Veterinária, 2021. http://hdl.handle.net/10400.5/21787.

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Dissertação de Mestrado Integrado em Medicina Veterinária<br>O pes varus é uma deformidade ortopédica pouco comum, no entanto, sobre representada na raça Dachshund, podendo tanto ter uma apresentação unilateral como bilateral. Os cães afetados possuem uma conformação característica do membro pélvico que resulta da angulação distal do aspeto medial da tíbia e consequente desvio varus do tarso, os quais lhe proporcionam esta forma arqueada patognomónica. A sintomatologia é variada e está diretamente relacionada com a gravidade da angulação e com o tempo ao qual o animal foi exposto à defor

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Jacobs, Rene Catherine. "Evaluation of positive expiratory pressure (PEP) devices as an adjunct to cardio-respiratory physiotherapy in patients following open abdominal surgery." Master's thesis, University of Cape Town, 2015. http://hdl.handle.net/11427/16681.

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Includes bibliographical references<br>Purpose: Cardio-respiratory physiotherapy for patients undergoing abdominal surgery has been found to be beneficial in improving lung function post-operatively and in the prevention and treatment of post-operative pulmonary complications (PPCs). The Blow Bottle, a Positive Expiratory Pressure (PEP) therapy device, is commonly used as an adjunct to physiotherapy. The Blow Bottle is low cost and can be easily made by the physiotherapist using readily available materials in the hospital setting. However, evidence to support the use of Blow Bottles in the pos

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Jacobs, Rene Catherine. "Evaluation of positive expiratory pressure (PEP) devices as an adjunct to cardio-respiratory physiotherapy in patients following open abdominal surgery." Master's thesis, University of Cape Town, 2002. http://hdl.handle.net/11427/16681.

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Includes bibliographical references<br>Purpose: Cardio-respiratory physiotherapy for patients undergoing abdominal surgery has been found to be beneficial in improving lung function post-operatively and in the prevention and treatment of post-operative pulmonary complications (PPCs). The Blow Bottle, a Positive Expiratory Pressure (PEP) therapy device, is commonly used as an adjunct to physiotherapy. The Blow Bottle is low cost and can be easily made by the physiotherapist using readily available materials in the hospital setting. However, evidence to support the use of Blow Bottles in the pos

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Valvo, Manuela. "Preservazione della funzione genito-urinaria post-operatoria nei pazienti sottoposti a TME con tecnica robotica per neoplasie rettali." Doctoral thesis, Università di Catania, 2012. http://hdl.handle.net/10761/1145.

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Background:la stretta relazione anatomica tra il mesoretto e le strutture nervose che attraversano la pelvi comporta un rischio elevato di lesioni accidentali del plesso ipogastrico in corso di TME, di conseguenza vi è un¿altra frequenza di disfunzioni genito urinarie dopo chirurgia rettale. La chirurgia robotica offre al chirurgo una visione tridimensionale, stabile e ad alta definizione del campo operatorio e consente un controllo molto più accurato degli strumenti che sono dotati di sette gradi di libertà, di un sistema di soppressione del tremore spontaneo e della possibilità di demoltipli

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Navarro, Cano Ester. "Osteotomia percutània distal del primer metatarsià per a la correcció de l’hàl·lux valgus. Estudi experimental comparatiu de dues tècniques quirúrgiques." Doctoral thesis, Universitat de Girona, 2021. http://hdl.handle.net/10803/672823.

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Hallux valgus is a frequent deformity of the first ray of the foot, with progressive abduction and pronation of the first phalanx. At the same time, adduction, elevation, and pronation of the first metatarsal happens (metatarsal primus varus). In this research we revised different factors regarding hallux valgus surgery, studying anatomical specimens provided by the Body Donor Department, and focusing in percutaneous surgery of the forefoot. This research is divided in three parts: the first part is a comparison of two orthopedic shoes commonly used during hallux valgus postoperative period. T

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MISLEY, ANNA. "Surge Detection in Turbocharger Compressors for Automotive Application and Development of a Control-Oriented Model." Doctoral thesis, Università degli studi di Genova, 2020. http://hdl.handle.net/11567/1006685.

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The increasingly strict regulations on emissions and fuel consumption of internal combustion engines for automotive applications has pushed researchers and manufacturers to develop new technologies and control strategies. One of the solutions widely adopted for gasoline engines is downsizing coupled with turbocharging. While this improves an engine’s emissions and fuel consumption, turbocharging has its own challenges. The limitation to high performance boosting and boost pressure control lies in the difficulty of predicting and controlling the instability phenomenon that occurs in centrifugal

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REGGIO, FEDERICO. "Experimental and theoretical investigations for surge prevention in gas turbines." Doctoral thesis, Università degli studi di Genova, 2021. http://hdl.handle.net/11567/1046872.

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The innovative energy systems equipped with large volume size connected with a gas turbine present critical issues related to the surge risk especially during transient operations. In comparison with standard gas turbines, the volume size generates different behaviour during dynamic operations (with significant surge risk), especially considering that innovative additional components include important dynamic constraints. The main examples of power systems including the effect of an additional volume connected with a turbine are: fuel cell based hybrid plants, humid cycles, externally fired la

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MAGISTRO, MANUELA. "UTILIZZO DI UNA METODICA INNOVATIVA E NON INVASIVA PER CONTROLLARE LA SINTOMATOLOGIA INFIAMMATORIA DURANTE IL DECORSO POST OPERATORIO IN INTERVENTI DI IMPLANTOLOGIA." Doctoral thesis, Università degli Studi di Milano, 2015. http://hdl.handle.net/2434/263730.

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CONTROL OF POSTOPERATIVE DISCOMFORT BY LOCAL PHYSICAL THERAPY AFTER ORAL SURGERY ABSTRACT PURPOSE Surgical treatment in implantology and dental surgery is a common procedure that often accompanied by pain, swelling and trismus. Many patients in their postoperative complain situations of disconfot and reduced of quality of life. The aim of the present study was to investigate how controll postoperative morbidities, whether the local application of elastic therapeutic tape (KT). MATERIALS ANS METHODS To adress the research purpose, the investigators designed and implemented a mu

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LICARI, Leo. "IMPIEGO DI SCAFFOLD SINTETICO PER IL TRATTAMENTO E LA PREVENZIONE DEL LAPAROCELE – MODELLO SPERIMENTALE NELLA CHIRURGIA RIGENERATIVA." Doctoral thesis, Università degli Studi di Palermo, 2022. https://hdl.handle.net/10447/575051.

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Arthaud, Yoann. "Conception d'un microsystème d'aide au monitoring per-opératoire dans la chirurgie de l'oreille moyenne." Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00829091.

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Certains problèmes d'audition trouvent leur origine dans des anomalies de transmission de l'énergie des vibrations acoustique par la chaîne des osselets de l'oreille moyenne. Il se pratique aujourd'hui des opérations chirurgicales visant à la reconstruire. Un outil permettant d'évaluer la qualité de transmission des vibrations par de la chaîne ossiculaire pendant l'opération apporterait une aide substantielle au praticien afin dans le but d'optimiser la configuration des osselets. Les travaux présentés dans ce manuscrit traitent de la conception d'un capteur microsystème adapté à la mesure de

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Naldini, Federico. "Algoritmi Euristici per la Schedulazione degli Interventi nel Blocco Operatorio." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/11685/.

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Questa tesi riguarda il problema della schedulazione degli interventi nel blocco operatorio di un presidio ospedaliero, noto anche come Operating Theatre Planning & Scheduling. Il blocco operatorio è la struttura che eroga servizi a più alto impatto sui costi di un presidio ospedaliero ed è legato ad attività ad alto rischio. E' quindi fondamentale gestire in modo ottimale questa risorsa. In questa tesi, si considera come caso studio l'applicazione reale di un presidio ospedaliero dell'Emilia Romagna con un orizzonte temporale di una settimana, ovvero la cosiddetta programmazione operativa. L

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Cherillo, Francesco Antonio. "Trattografia con tensore di diffusione in risonanza magnetica: nuove frontiere per la neurochirurgia oncologica." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/19867/.

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Una grande sfida per la ricerca oncologica è la diagnosi precoce e la terapia in distretti anatomici di difficile raggiungimento farmaco-chirurgico. Uno di questi è il Sistema Nervoso. Questa tesi studia il principio di funzionamento dell’imaging di risonanza magnetica pesata in diffusione sino una particolare metodica di utilizzo con tensore di diffusione (TDI) con accenno alle potenzialità della trattografia. Dal confronto tra due pregevoli studi emerge che l’uso della trattografia basata su tensore di diffusione sia un’ottima integrazione d’imaging alla classica scansione RM, importante nel

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Candela, Cantó Santiago Antonio. "Neurocirurgia Pediàtrica Funcional assistida per Braç Robòtic Neuromate®. Precisió i resultats clínics inicials." Doctoral thesis, Universitat de Barcelona, 2019. http://hdl.handle.net/10803/665326.

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ANTECEDENTS: Per a l’adequat diagnòstic i/o tractament dels pacients amb epilèpsia refractària o trastorns del moviment es requereix la implantació d’elèctrodes cerebrals en alguns casos seleccionats. HIPÒTESIS: El robot estereotàxic Neuromate® és una eina precisa per a la col·locació d’elèctrodes cerebrals en pacients pediàtrics. El seu ús en estereoelectroencefalografía (SEEG) i estimulació cerebral profunda (ECP) és segur i d’utilitat clínica en aquests pacients. OBJECTIUS: Verificar la precisió, seguretat i els resultats clínics obtinguts de la seva aplicació en SEEG i ECP en pacient

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LEUTCHA, PHILIPPE JOE. "Analisi e criteri progettuali per compressori centrifughi dotati di Ported Shroud." Doctoral thesis, Università degli studi di Genova, 2021. http://hdl.handle.net/11567/1046983.

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In road applications, a centrifugal compressor is often required to work in conditions other than optimal because of the various operating conditions it is subjected to. In addition to its main performance (efficiency and pressure ratio), the centrifugal compressor must have a wide stable operating range. Among the different techniques used to extend the operating range of the compressor is the ported shroud that will be the subject of our study. Ported shroud is a technique frequently adopted in the design of compressors for automotive turbochargers. Its operating principle consists, during

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Giatsidis, Giorgio. "Effetti biologici delle forze meccaniche esterne sui tessuti molli: ottimizzazione preclinica per l'applicazione translazionale in chirurgia rigenerativa. Biological effects of external mechanical forces on soft tissues: preclinical optimization for translational application in regenerative surgery." Doctoral thesis, Università degli studi di Padova, 2018. http://hdl.handle.net/11577/3424960.

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In reconstructive surgery, tissues are routinely transferred to repair a defect caused by trauma, cancer, chronic diseases, or congenital malformations. Surgical transfer intrinsically impairs metabolic supply to tissues placing a risk for ischemic complications such as necrosis, impaired healing, or infection. Pre-surgical induction of angiogenesis in tissues (preconditioning) limits ischemic complications and improves outcomes but very few preconditioning strategies have successfully been translated to clinical practice. The first goal of our research was to improve current standard of care

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Hudin, Nicolas. "Développement de nouvelles sondes per-opératoires positon pour guider la chirurgie des tumeurs solides." Phd thesis, Université Paris Sud - Paris XI, 2013. http://tel.archives-ouvertes.fr/tel-00906756.

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L'exérèse des tumeurs cancéreuses est une procédure courante pour le traitement de nombreux cancers. L'enjeu est de réaliser une excision la plus complète possible pour éviter les récidives tout en épargnant le plus possible les tissus sains bordant la tumeur. La détection de positons est une modalité d'imagerie particulièrement adaptée au repérage de résidus tumoraux lors de l'éxerèse car sa forte sélectivité spatiale permet de s'affranchir du bruit provenant de la fixation non spécifique du radiotraceur dans les tissus situés en profondeur, offrant ainsi une meilleur sensibilité et un meille

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Gàlvez, Montón Carolina. "Transposició d’un pedicle adipós pericardíac sobre el miocardi: una nova opció terapèutica per a limitar la cicatriu postinfart." Doctoral thesis, Universitat de Barcelona, 2012. http://hdl.handle.net/10803/108181.

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Recentment ha estat demostrada l’existència de cèl.lules progenitores en el greix que envolta el cor. Aquesta nova font cel!lular ha esdevingut una bona alternativa per a regenerar el miocardi infartat. Per aquest motiu, és possible que posant en contacte el teixit adipós cardíac en forma de biomembrana amb la zona infartada es pugui limitar l’extensió de l’infart de miocardi. Els objectius de la present tesi són: 1) Generar els perfils genètics de l’evolució de l’IM en el model porcí. 2) Determinar l’existència de cèl.lules mesenquimals al teixit adipós d’origen pericardíac i caract

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Caire, François. "Imagerie per-opératoire des électrodes de stimulation cérébrale profonde et proposition d’une nouvelle modalité de repérage stéréotaxique indirect de la cible subthalamique." Thesis, Bordeaux 2, 2012. http://www.theses.fr/2012BOR22015/document.

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L’efficacité de la stimulation cérébrale profonde subthalamique dans certains cas de maladie de Parkinson est maintenant bien établie. Toutefois, des progrès restent possibles, à la fois en terme de contrôle du geste chirurgical et en terme de définition de la cible chirurgicale. Dans la première partie de ce travail, nous nous sommes intéressés à l’optimisation du contrôle de l’implantation des électrodes de stimulation cérébrale profonde. Nous avons tout d’abord analysé rétrospectivement les résultats obtenus en réalisant une imagerie tridimensionnelle per-opératoire pour le contrôle de posi

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Xifra, Villarroya Gemma. "Estudi dels canvis promoguts per la cirurgia bariàtrica a nivell d'expressió gènica del teixit adipós subcutani i la relació amb la sensibilitat a la insulina." Doctoral thesis, Universitat de Girona, 2017. http://hdl.handle.net/10803/403497.

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INTRODUCTION: Bariatric surgery (CB) is the only treatment option that has proved capable of solving the DM2. In addition to the impact on weight and comorbidities, the CB has shown a great impact on adipose tissue. THEORY: The CB modifies gene expression of subcutaneous adipose tissue (SAT) and helps explain changes in insulin sensitivity. OBJECTIVES: To evaluate changes in gene expression SAT after weight loss promoted by the CB and the association with clinical variables that change after the CB. SUBJECTS AND METHODS: To evaluate changes in gene expression SAT promoted by the CB,

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Tarrado, i. Castellarnau Xavier. "Correlació entre l’hemodinàmica, la morfometria, la histoquímica i l’estat neonatal en un model d’hipoplàsia pulmonar per hèrnia diafragmàtica congènita." Doctoral thesis, Universitat de Barcelona, 2014. http://hdl.handle.net/10803/295116.

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OBJETIUS: Estudiar diversos aspectes (hemodinàmics, morfològics, histoquímics i funcionals) de la hipoplàsia pulmonar (HP) en un model animal d’hèrnia diafragmàtica congènita (HDC). DISENY: Estudi experimental en conill Neozelandès blanc. GRUPS: Hèrnia diafragmàtica (HD); Control (C). INTERVENCIONS: Cirurgia intraúter el dia 23 de gestació, practicant una HD i avaluació hemodinàmica amb eco-doppler. Reintervenció el dia 28 de gestació, amb una nova avaluació hemodinàmica. Extracció dels fetus per cesària el dia 30 de gestació (gestació completa: 31 dies), i nova avaluació hemodinàmica.

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Strohmeyer, Jens-Christian. "Gestörte Homöostase von Inflammation und Antiinflammation bei Risikopatienten nach Herzchirurgie." Doctoral thesis, Humboldt-Universität zu Berlin, Medizinische Fakultät - Universitätsklinikum Charité, 2006. http://dx.doi.org/10.18452/15422.

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Kardiochirurgische Eingriffe unter Einsatz der Herzlungenmaschine führen über die Sekretion proinflammatorischer Mediatoren im allgemeinen zu einer systemischen Entzündung (SIRS). Um das Ausmaß zu begrenzen, wird diese von einer systemischen Gegenregulation (CARS) begleitet, die mit zunehmender Ausprägung den Organismus anfällig für sekundäre Infektionen macht. Septische Krankheitsbilder zählen zu den häufigsten Todesursachen auf operativen Intensivstationen mit jährlichen Kosten in Milliardenhöhe. Gerade die Früherkennung ist klinisch von größter Wichtigkeit. Bei der Suche nach neuen Infektio

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Wenk, Christiane. "Chirurgie guidée par fluorescence des fibrosarcome félin et développement et caractérisation d'un vecteur bi-fonctionnel pour le ciblage du cancer." Phd thesis, Université de Grenoble, 2012. http://tel.archives-ouvertes.fr/tel-00843015.

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Actuellement, la chirurgie représente la première indication pour la thérapie du cancer. Néanmoins, la résection complète du tissu tumoral, la détection des micrométastases et la préservation des tissus sains pendant l'intervention représentent un enjeu majeur et influencent fortement le pronostic du patient. Les récents développements technologiques en imagerie pour la chirurgie guidée des cancers ont conduit à des résultats précliniques prometteurs et les premiers essais cliniques utilisant des traceurs non-spécifiques confirment déjà le potentiel de ces systèmes pour l'amélioration de la ch

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MANTELLI, LUCA. "Performance analysis and dynamics of innovative SOFC hybrid systems based on turbocharger-derived machinery." Doctoral thesis, Università degli studi di Genova, 2021. http://hdl.handle.net/11567/1046902.

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La crescente consapevolezza su temi quali il cambiamento climatico e l’inquinamento atmosferico ha portato a politiche nazionali ed internazionali mirate allo sviluppo di sistemi energetici innovativi e sostenibili. Tra di essi, le fuel cell sono uno dei più promettenti, essendo caratterizzate da alte efficienze e basse emissioni. In particolare, i sistemi ibridi basati sull’integrazione di fuel cell ad alta temperatura con dispositivi derivati da turbocompressori hanno attirato l’attenzione del mondo accademico e dell’industria negli ultimi decenni. Tuttavia, la complessità, la fragilità e l’

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Vollmar, Stefan. "Integration of functional imaging (PET) to surgery planning in brain tumors /." 2006. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=015488432&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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FRANTELLIZZI, VIVIANA. "Innovative Gonio-Probe in radioguided chest surgery with PET tracers for lung cancer. Utilizzo di un innovativo Gonio-Probe nella chirurgia radioguidata del torace con traccianti PET per il tumore del polmone." Doctoral thesis, 2020. http://hdl.handle.net/11573/1342055.

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Background. A leading cause of cancer deaths worldwide in both men and women is lung cancer. PET scanning is a sensitive modality for the detection of NSCLC. The major limitation of surgery in lung cancer is resection of all margins. Patients with microscopic involvement of the resection margin with tumor (R1) following seemingly complete resection have a significantly poorer prognosis than those with negative microscopic margins (R0). The optimal resection of the margins seems therefore to be a debated and fundamentally important question, which is associated with the precise operative locati

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f, staderini. "Sviluppo di un sistema di coagulazione a microonde per l'impiego in chirurgia epatica miniinvasiva e robotica." Doctoral thesis, 2020. http://hdl.handle.net/2158/1248543.

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During the last two decades, many surgical procedures have been evolved from traditional open surgery to less invasive or minimally invasive surgery. This limited invasiveness has motivated the development of robotic assistance platforms used during the surgical intervention to obtain better surgical outcomes. Nowadays, the da Vinci robotic system is the commercial robotic platform mostly used for modern minimally invasive surgical applications. Even in the field of minimally invasive hepatic surgery the Da Vinci Platform has been used, but not widely as in other organs such as prostate

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Francesco, Barbani. "Applicazione di un programma di addestramento con simulatore ad alta fedeltà per la gestione di eventi critici di emergenza urgenza intra operatoria durante chirurgia robotica." Doctoral thesis, 2020. http://hdl.handle.net/2158/1190531.

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INTRODUZIONE: L’attività formativa per mezzo della simulazione ad alta fedeltà si pone lo scopo ultimo di migliorare la sicurezza e gli outcomes clinici dei pazienti; tale proposito può essere conseguito migliorando il comportamento clinico dei sanitari attraverso l’apprendimento di nozioni tecniche e non tecniche, mediante attività formative che incontrino l’approvazione dei discenti. Scopo di questa tesi è condurre uno studio preliminare atto a valutare la percezione del ruolo dello strumento formativo di simulazione ad alta fedeltà, per ottenere indicazioni utili al proseguimento di un prog

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MARASCIO, LAVINIA. "Valutazione comparativa fra la chirurgia laparoscopica e quella tradizionale per patologie del tratto gastroenterico." Doctoral thesis, 2014. http://hdl.handle.net/2158/858311.

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Comparazione fra chirurgia open e laparoscopica ed analisi dei risultati a breve e lungo termine anche in una categoria di pazienti trattati per neoplasia del retto basso. Open versus laparoscopic study for digestive surgery and short and long term outcomes after treatment for low rectal cancer.

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Rodrigues, Miguel Paulo Esteves. "Estudo comparativo entre laparoscopia e laparotomia em carcinoma hepato celular: propensity score matching e experiência de um centro." Master's thesis, 2020. http://hdl.handle.net/10316/97783.

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Trabalho Final do Mestrado Integrado em Medicina apresentado à Faculdade de Medicina<br>Introduction: Hepatocellular carcinoma (HCC) is one of the most common neoplasms in the world and 3rd cause of cancer related death. Hepatic resection, termodestruction and hepatic transplant are the only real therapeutics with curative intent, particularly when it concerns to tumours with 2cm or more. Organ transplant is obtained by paying the price of a higher risk of per-operative morbidity and a necessity of a lifetime immunosuppression, which allows tumoral resection and sick organ replacement. This op

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BALLA, ANDREA. "Valutazione pH-manometrica nei pazienti obesi candidati a Sleeve Gastrectomy o bypass gastrico per via laparoscopica." Doctoral thesis, 2021. http://hdl.handle.net/11573/1500997.

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Background: Aim is to evaluate the impact of laparoscopic sleeve gastrectomy (LSG) and gastric bypass (LGB) on gastroesophageal reflux disease (GERD) before and after surgery. Methods: Before surgery, GERD was evaluated by Modified Italian Gastroesophageal reflux disease-Health-Related Quality of Life (MI-GERD-HRQL) questionnaire, manometry, pH-metry, endoscopy and Rx-esophagogram. Based on these exams, patients without GERD underwent LSG and patients with GERD underwent LGB. These exams were repeated 12 months after surgery. Results: Thirteen and 6 patients underwent LSG and LGB, respectiv

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Agus, Marco. "Haptic and visual simulation of bone dissection." Tesi, 2004. http://hdl.handle.net/11050/784.

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Tesi di dottorato: Università degli Studi di Cagliari, Facoltà di Ingegneria, Dipartiemnto di Ingegneria Meccanica, XV Ciclo di Dottorato in Progettazione Meccanica.<br>In bone dissection virtual simulation, force restitution represents the key to realistically mimicking a patient--specific operating environment. The force is rendered using haptic devices controlled by parametrized mathematical models that represent the bone--burr contact. This dissertation presents and discusses a haptic simulation of a bone cutting burr, that it is being developed as a component of a training system for temp

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