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1

Heinz, George. "Patency iliofemoraler Cross-Over-Bypass versus femorofemoraler Cross-Over-Bypass." [S.l. : s.n.], 2008. http://nbn-resolving.de/urn:nbn:de:bsz:289-vts-65894.

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2

Ofoegbu, Chimu K. P. "Outcomes of "off-pump" coronary artery bypass grafting in a developing country : advantages over coronary artery bypass grafting on cardiopulmonary bypass." Master's thesis, University of Cape Town, 2010. http://hdl.handle.net/11427/11432.

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Includes abstract.<br>Includes bibliographic references (leaves 53-62).<br>Off-pump coronary artery bypass grafting (OPCAB) was developed to avoid the deleterious effects of CPB. Current literature reveals some peri-operative advantages of OPCAB, with few studies detailing these in Africa. We review our institutional experience with both approaches in higher risk patients to determine pre-operative characteristics, short and mid-term outcomes in a developing country.
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3

Al-Ruzzeh, Sharif Mohamed Hasan Khalaf. "Outcome of coronary artery bypass graft surgery with and without cardio-pulmonary bypass." Thesis, Imperial College London, 2003. http://hdl.handle.net/10044/1/8394.

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4

Ljungskog, Sophie, and Marlene Pettersson. "Gastric Bypass som livsstilsförändring : - Hur Gastric Bypass opererade väljer att blogga om sina upplevelser -." Thesis, Högskolan i Halmstad, Sektionen för hälsa och samhälle (HOS), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-26076.

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Gastric Bypass är en kirurgisk viktminskningsmetod som innebär att magsäcken förminskas.Detta sker genom att maten leds förbi större delen av magsäcken och den första delen avtunntarmen. Den Gastric Bypass opererade blir då fortare mätt och kroppens upptag avnäringsämnen och kalorier minskar. Det har gjorts en hel del medicinsk forskning kringGastric Bypass, men inte så mycket kring de opererades egna upplevelser av operationen,samt de pedagogiska aspekter som det innebär att vara tvungen att lära sig leva efter en heltny livsstil. Detta fann vi därför intressant att undersöka närmare i denna
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5

Gustafsson, Camilla, and Anna Jansson. "Smakförändringar efter gastric bypass-operation." Thesis, Uppsala universitet, Institutionen för kostvetenskap, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-167528.

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6

Wales, Elisabeth Lucy. "Preconditioning of venous bypass grafts." Thesis, Imperial College London, 2004. http://hdl.handle.net/10044/1/11350.

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7

John, Alison Elizabeth. "Interleukin-8 and cardiopulmonary bypass." Thesis, University of Sheffield, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301551.

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8

Guimarães, Francisca Silva Santos Ferreira. "Bypass ureteral subcutâneo : estudo retrospectivo." Master's thesis, Universidade de Lisboa, Faculdade de Medicina Veterinária, 2016. http://hdl.handle.net/10400.5/12484.

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Dissertação de Mestrado Integrado em Medicina Veterinária<br>A obstrução ureteral por nefrolitíase ocorre ocasionalmente no gato e parece ter incidência crescente na população felina. O seu diagnóstico é feito com base nos sinais clínicos, análises bioquímicas, com destaque para a medição de ureia e creatinina, e recorrendo a meios complementares de diagnóstico como a radiografia e a ecografia. Para o seu tratamento, pode-se recorrer numa primeira abordagem a uma terapêutica médica, no entanto, esta é muitas vezes ineficaz, pelo que geralmente há necessidade de intervir cirurgicamente. Tradici
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9

Rajakaruna, Chanaka. "Splanchnic organ function and glucose metabolism during coronary artery bypass surgery with or without cardiopulmonary bypass." Thesis, University of Bristol, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.492604.

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Methods: Patients were randomised to off-pump coronary artery bypass grafting (OPCAB) or conventional coronary artery bypass grafting with cardiopulmonary bypass (CABG-CPB). Small intestine function was assessed by differential four sugars (0=methyl-D-glucose, D-xylose, L-rhamnose, and Lactulose) permeability and absorption tests before surgery, at day 1 and day 5 post-surgery. Liver function was assessed before and at the end of surgery by monoethylglycinexyhdide (MEGX)/Iidocaine ratios after injection of 1 mg/kg bolus of lidocaine and by serial measurements of transaminases (AST and ALT), bi
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10

Wacker, Anne. "Anatomische Voraussetzungen für pedale Bypass-Revaskularisationen." Doctoral thesis, Universitätsbibliothek Leipzig, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-82187.

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Zusammenfassung Gefäßerkrankungen und Diabetes mellitus nehmen als Krankheiten der modernen Zivilisation zu. Sie gehen oft mit dem Risiko einer Amputation einher. Trotz verbesserter Therapie aufgrund des medizinischen Fortschritts steigen die Amputationsraten. Besonders gefährdet sind Patienten mit Diabetes mellitus. Aufgrund des besonderen Atherosklerosebefallsmusters mit Verschluss der kruralen Gefäße bei relativer Aussparung der Oberschenkel- und Fußarterien erzielen pedale Bypässe bei diabetischen Patienten besonders gute Ergebnisse im Hinblick auf die Wiederherstellung der Fußdurchblutung
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11

Linden, Matthew D. "The haemostatic defect of cardiopulmonary bypass." University of Western Australia. School of Surgery and Pathology, 2003. http://theses.library.uwa.edu.au/adt-WU2006.0009.

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[Truncated abstract] Cardiac surgery involving cardiopulmonary bypass is a complex procedure that results in significant changes to blood coagulation, fibrinolytic biochemistry, platelet number and function, and the vasculature. These are due to pharmacological agents which are administered, haemodilution and contact of the blood with artificial surfaces. Consequently there are significant risks of thrombosis and haemorrhage associated with this procedure. The research presented in this thesis utilises in vitro, in vivo, and a novel ex vivo model to investigate the nature of the haemostatic de
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12

Samuelsson, Christoffer, and Markus Carlsson. "Livskvalitet efter gastric bypass. : En litteraturstudie." Thesis, Karlstads universitet, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-35910.

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Antalet personer som klassificeras som överviktiga ökar i stadig takt och antalet personer som lider av fetma har fördubblats sedan 1980. Kraftig övervikt och fetma medför komplikationer som påverkar livskvaliteten hos personer negativt. Då individer har svårigheter med att gå ned i vikt på naturlig väg övervägs genomförandet av en gastric bypass. Livskvalitet är något varje människa upplever subjektivt och innefattar psykisk och fysisk hälsa, sociala relationer och känsla av självständighet. Syftet med studien är att beskriva livskvaliteten hos patienter som genomgått en gastric bypass. Metod
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13

Li, Man San. "2D low bypass-ratio turbofan modelling." Thesis, Cranfield University, 2004. http://dspace.lib.cranfield.ac.uk/handle/1826/8570.

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Turbofan engines are normally bench-tested with a standard flared bellmouth intake. This is different from the aircraft situation. As a result, an engine installation may experience a degree of inlet flow distortion not normally present during tests. It is, therefore, very desirable to understand the effect of any radial inlet total pressure loss on turbofan engine performance. Steady-state radial inlet distortion may occur, for example, as a result of boundary layers. An early awareness on distortion tolerance is very important to enable the prediction of surge margin. However, synthesis of t
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14

Boston-Griffiths, E. A. "Improving cardioprotection during cardiac bypass surgery." Thesis, University College London (University of London), 2013. http://discovery.ucl.ac.uk/1383483/.

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Ischaemic heart disease (IHD) is the leading cause of death worldwide and according to the World Health Organisation the number of patients with IHD will reach 19 million by 2020 if current trends continue. While coronary artery bypass graft (CABG) surgery remains the treatment of choice for the severest form of the disease, the detrimental effects of peri-operative myocardial injury particularly in the form of myocardial ischaemia-reperfusion injury (IRI) accounts for significant levels of morbidity and mortality particularly in high-risk patients. The past four decades have seen advances in
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15

Navaneethan, Muraliselvam. "Spiritual Bypass| A Defense Against Wholeness." Thesis, Pacifica Graduate Institute, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10076224.

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<p> This thesis explores the spiritual-bypass phenomenon identified by John Welwood and how it can be a defense against wholeness as defined in Jungian psychology. Using hermeneutic and heuristic methodologies, and drawing on depth psychological theories, the author discusses the various forms of spiritual bypass and the underlying shadow dynamics, such as emotional repression. The author examines the nature of psychological and spiritual development through states and stages of consciousness development, healthy transcendence versus unhealthy transcendence, and the Jungian process of individu
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16

Ahmed, Ahmed Rashid. "Internal hernia following laparoscopic gastric bypass." Thesis, Imperial College London, 2014. http://hdl.handle.net/10044/1/24733.

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Obesity is increasingly recognised as a major health threat in the developed world, with more than 120 million people worldwide classified as clinically obese. Increased weight causes increased morbidity and mortality due to its association with cardiovascular disease, diabetes and certain cancers. Bariatric surgery is currently the most efficacious treatment for morbid obesity and has the best long-term outcomes. Bariatric surgery is not without risks. Some of the early risks include postoperative bleeding, anastomotic leaks, and venous thromboembolism. Late complications include marginal ulc
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17

Frade, Miguel Metrogos. "Bypass ureteral subcutâneo na ureterolitíase felina." Master's thesis, Universidade de Évora, 2021. http://hdl.handle.net/10174/29213.

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Este trabalho foi realizado no âmbito da conclusão do Mestrado Integrado em Medicina Veterinária, e encontra-se dividido em três partes. A primeira parte é referente à casuística acompanhada no decorrer do estágio curricular, no período de 2 de setembro de 2019 até 29 de fevereiro de 2020, no Hospital Veterinário do Restelo. A segunda parte consiste numa revisão bibliográfica referente ao tema “bypass ureteral subcutâneo na ureterolitíase felina”. Na terceira parte é realizada a apresentação de um caso clínico e a sua discussão. A ureterolitíase é a principal causa de obstrução ureteral em gat
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18

Wessén, Matilda, and Janita Österberg. "Tunnel Seismic Prediction in Stockholm Bypass." Thesis, KTH, Jord- och bergmekanik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-301957.

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Tunnel Seismic Prediction (TSP) is a geophysical investigation method used to predict the rock conditions ahead of the tunnel face. The method has been used in different types of rock and rock conditions. The Swedish Transport Administration, Trafikverket, has used the investigation method in multiple locations in the large infrastructure project E4 The Stockholm Bypass. The method is however rather new to Swedish rock conditions, and there is therefore a need to evaluate the method to assess its strengths and weaknesses. In this thesis, the TSP method is compared to other investigation method
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19

Felden, Luc. "Mechanical optimization of vascular bypass grafts." Thesis, Available online, Georgia Institute of Technology, 2005, 2005. http://etd.gatech.edu/theses/available/etd-04112005-145422/unrestricted/felden%5Fluc%5F200505%5Fmast.pdf.

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Thesis (M. S.)--Mechanical Engineering, Georgia Institute of Technology, 2005.<br>David N. Ku, Committee Chair ; Alexander Rachev, Committee Co-Chair ; Elliot L. Chaikof, Committee Member. Includes bibliographical references.
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20

EFTEKHARZADEH, SHAHRIAR. "SEDIMENT BYPASS SYSTEM FOR IMPOUNDING RESERVOIRS." Diss., The University of Arizona, 1987. http://hdl.handle.net/10150/184157.

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This study proposes the use of a pipe line system to transport the inflow sediment to a reservoir through the dam, and discharge it downstream. The system is powered by the available head at the dam. It aims at restoring the original sediment transport regime of the river (i.e. before the dam was built). The idea is fundamentally sound because of the much more efficient sediment transport characteristics of pipes compared to that of open channels. The necessary theory for the hydraulic design of such a system was simply not available and is developed in this study. The work of numerous previou
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21

Stoffle, Richard W., and John Amato. "Hoover Dam Bypass Ethnographic Study Photographs." Bureau of Applied Research in Anthropology, University of Arizona, 2000. http://hdl.handle.net/10150/292673.

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22

Poon, Chui-yuk Mabel. "The patients lived experiences after coronary artery bypass graft surgery /." View the Table of Contents & Abstract, 2005. http://sunzi.lib.hku.hk/hkuto/record/B31596071.

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23

Raedschelders, Koen. "A clinical appraisal of propofol-mediated, antioxidant-based cardioprotection during coronary artery bypass grafting with cardiopulmonary bypass." Thesis, University of British Columbia, 2011. http://hdl.handle.net/2429/33736.

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Coronary artery disease is the leading cause of death in North America. The invasiveness of its treatment depends on its severity; less severe disease can be treated pharmacologically or surgically without significantly different outcomes, but coronary artery bypass grafting (CABG) clearly reduces mortality among medium- and high-risk patients compared to percutaneous and non-surgical intervention. Although the majority of patients undergoing surgical revascularization emerge without severe postoperative complications, a significant portion of patients encounter a postoperative complication k
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24

Bader, Sebastian [Verfasser]. "Koronararterien-Bypass - Einfluss des Spüldrucks während der Präparation der Vena saphena magna auf deren Bypass-Qualität / Sebastian Bader." Gießen : Universitätsbibliothek, 2017. http://d-nb.info/1142112756/34.

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25

Vedin, Jenny. "Coronary artery bypass surgery without extracorporeal circulation /." Stockholm, 2005. http://diss.kib.ki.se/2006/91-7140-507-0/.

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26

Simurda, Lori Anne. "Differences in uncertainty and quality of life between primary and reoperation coronary artery bypass patients." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/27734.

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The purposes of this study were to explore the relationships between uncertainty and quality of life indicators in patients recovering from coronary artery bypass graft (CABG) surgery and to investigate the differences in uncertainty and quality of life indicators between primary CABG patients and reoperation patients. The indicators of quality of life selected for this study were the patient's perception of health status and life satisfaction. A convenience sample of 41 primary CABG patients and 11 reoperation patients who were five to ten months postoperative completed the Mishel Uncertaint
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27

Tellmann, Gudrun. "Untersuchungen zur Pathogenese der "Bypass graft disease"." [S.l.] : [s.n.], 2001. http://ArchiMeD.uni-mainz.de/pub/2002/0040/diss.pdf.

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28

Carlson, Emma, and Pernilla Wimark. "Gastric bypass opererade personers upplevelse av livskvalitet." Thesis, Högskolan i Gävle, Avdelningen för hälso- och vårdvetenskap, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-8693.

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29

Källbäck, Lina. "Absorptionen av levotyroxin efter gastric bypass-operation." Thesis, Umeå universitet, Farmakologi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-134637.

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30

Vassalos, Tony. "End organ effects of paediatric cardiopulmonary bypass." Thesis, University of Glasgow, 2011. http://theses.gla.ac.uk/2385/.

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Despite the scientific, technological and surgical improvements of the past 50 years organ dysfunction following elective paediatric cardiac surgery utilising cardiopulmonary bypass continues to account for increased complications, often leading to a protracted course in hospital with a longer stay in intensive care and the potential for irreversible organ damage long term. Furthermore, paediatric cardiac surgeons are routinely undertaking more complex operations with a shift from palliation to early correction. This has resulted in younger children being subjected to longer periods on the byp
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31

Westerlund, Dennis, and Carl Johan Holmberg. "Gastric Bypass : Den postoperativa vägen mot hälsa." Thesis, Högskolan i Skövde, Institutionen för hälsa och lärande, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-8949.

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Bakgrund: Övervikt blir allt vanligare vilket även resulterat i ett ökat antal Gastric Bypass (GBP) operationer. Dessa individer påverkades inte bara fysiskt negativt, det var även en påfrestning för välbefinnandet. För vissa individer sågs GBP som deras sista möjlighet till ett hälsosamt liv Syfte: Syftet med studien är att belysa vad patienter upplever ökar hälsan i sin vardag efter en Gastric Bypass. Metod: Fem självbiografier analyserades med hjälp av en kvalitativ analys beskriven av Dahlborg-Lyckhage. Resultat: Analysen visade på vikten av ett adekvat stöd för en känsla av ökat välbefinn
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32

Nikola, Joanna, and Kronander Pernilla Borglund. "Gastric bypass Den subjektiva upplevelsen efter operation." Thesis, Högskolan i Borås, Institutionen för Vårdvetenskap, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-16377.

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Fetma är allt vanligare idag, och de senaste åren har förekomsten av fetma ökat och bara i Sverige kan en halv miljon vuxna anses lida av fetma och 2.5 miljoner vara överviktiga. Gastric bypass är en kirurgisk behandling mot övervikt som har fyrdubblats inom en femårs period. En bättre livskvalitet har i olika kvantitativa studier kunnat påvisas efter viktminskning, men osäkert hur livskvaliteten ökar efter kirurgi då det ofta speglas negativt i media. I de kvantitativa studierna kan inga nyanser av upplevelser urskiljas. Syftet med denna undersökning var därför att beskriva den subjektiva upp
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33

Dalbey, Keith R. (Keith Richard) 1976. "Aerodynamics of a fan bypass duct system." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/81566.

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34

Papadopoulou, Kyriaki. "Neuropsychological sequalae of coronary artery bypass grafting." Thesis, University of East London, 2009. http://roar.uel.ac.uk/3735/.

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Objectives: To assess neurocognitive function after Coronary Artery Bypass Grafting (CABG); to compare and contrast pre- and post-operative test results and to characterise the degree of change in neurocognitive profiles. To identify neuropsychological patterns associated with different impairment models such as hypoxia and stroke. Methods: A comprehensive neuropsychological battery of tests was administered to a small number of individuals undergoing CABG at pre and post operative stage. In order to minimise practice effects, alternate tests were employed for memory, verbal and visuo-spatial
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35

Groom, Christina Sophia. "Functional outcomes after coronary artery bypass surgery." Thesis, University of Liverpool, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.494159.

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Cardiopulmonary Bypass (CPB) isolates the heart from the circulatory system. As a result, Coronary Artery Bypass Graft (CABG) surgery has become a common treatment for coronary artery disease (CAD) relieving angina and improving health related quality of life (HRQOL) and mood. However, CABG has been associated with Central Nervous System (CNS) dysfunction and successful surgery can be marred by cognitive impairment and/or poor HRQOL/ mood.
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36

Holgersson, Madeleine, and Mikaela Sandell. "Livskvalitet hos individer som genomgått gastric bypass." Thesis, Sophiahemmet Högskola, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:shh:diva-1340.

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SAMMANFATTNING Bakgrund Fetma och övervikt definieras som ett onormalt överskott på fett som inverkar på en persons hälsa. Antalet överviktiga i världen har nästan fördubblats sedan 1980-talet och i Sverige beräknas tio procent av befolkningen lida av fetma. Att lida av övervikt och fetma kan innebära att en individ lättare drabbas av följdsjukdomar såsom hjärt- kärlsjukdomar, diabetes typ 2 samt vissa typer av cancer. Det finns flera orsaker till fetma, varav några av dessa är hereditet, livsstil och farmakologiska biverkningar. Idag kan fetma behandlas med hjälp av olika metoder. Övervikts
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37

Sommers, Marilyn Sawyer. "Circulatory response following coronary artery bypass grafting /." The Ohio State University, 1990. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487683401444271.

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38

Varghese, David. "Perioperative organ dysfunction in patients undergoing coronary artery bypass grafting either with cardiopulmonary bypass and cardioplegic arrest or without." Thesis, University of Southampton, 2010. https://eprints.soton.ac.uk/364928/.

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39

Karlsson, Linda. "Fetma och dess konsekvenser : preventionsprogram eller gastric bypass operation?" Thesis, Uppsala University, Department of Economics, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-106344.

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<p>Fetman i Sverige har under de senaste två decennierna ökat kraftigt. Till följd av detta är hälsokostnaderna relaterat till fetma ansenliga och förväntas öka ytterligare om ingenting görs åt problemet. I denna studie studeras prevention och gastric bypass som alternativa behandlingsmetoder mot fetma sett ur ett samhällsekonomiskt perspektiv. Tre hypotetiska kohorter utvecklas; status quo, effektiv prevention i ungdomsåren samt individer som utvecklar svår fetma opereras med gastric bypass. Dessa kohorter följs under åldern 20-64 år där kostnader och effekter observeras med hjälp av en beslu
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40

Voors, Adriaan Alexander. "Risk factors, endothelial function, and clinical outcome after coronary bypass surgery." [S.l. : [Groningen] : s.n.] ; [University Library Groningen] [Host], 1997. http://irs.ub.rug.nl/ppn/157840069.

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41

Lundell, Fredrik. "Experimental studies of bypass transition and its control." Doctoral thesis, KTH, Mekanik, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3480.

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Bypass transition, i.e. transition of a boundary layer at subcritical Reynolds numbers, has been studied. Fundamental studies of the phenomenon as such have been performed side by side with experiments aimed at controlling, i.e. delaying, transition. The experiments have been performed in three different flow facilities, two with air as the working fluid (a plane channel flow and a wind-tunnel) and one with water (a water channel). From the water channel data the well known low-speed streaks appearing in a boundary layer under a turbulent free stream are found to be correlated with upward moti
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42

Lim, Eric Kian Saik. "Optimum aspirin therapy for coronary artery bypass surgery." Thesis, University of East Anglia, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.435058.

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43

Svenmarker, Staffan. "Heparin coating and cardiotomy suction in cardiopulmonary bypass." Doctoral thesis, Umeå : Univ, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-134.

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44

Raivio, Peter. "Role of thrombin in coronary artery bypass grafting." Helsinki University of Helsinki, 2007. http://urn.fi/URN:ISBN:978-952-10-4332-1.

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45

Larsson, Malin, and Sanna Tidsjö. "Livskvalitet efter en gastric bypass operation - en litteraturstudie." Thesis, Högskolan i Gävle, Avdelningen för hälso- och vårdvetenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-14300.

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Syfte: Syftet var att utifrån litteratur beskriva livskvaliteten hos patienter som genomgått en gastric bypass-operation samt att granska kvaliteten på urvalsmetoden i de ingående artiklarna. Bakgrund: Övervikt och fetma har ökat markant världen över vilket är ett stort hälsoproblem. Fetma medför en rad hälsorisker och kan påverka livskvaliteten negativt. Gastric bypass är en operation som genomförs för att uppnå viktminskning samt förbättra livskvalitet hos denna patientgrupp. Metod: Litteraturstudien hade en deskriptiv design. Vetenskapliga artiklar söktes i PubMed och 13 inkluderades i stud
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46

Davies, A. H. "Haemodynamic and venous factors in femoro-distal bypass." Thesis, University of Oxford, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333173.

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47

Lafferty-Whyte, Kyle. "Senescence signaling, regulation and bypass by telomere maintenance." Thesis, University of Glasgow, 2010. http://theses.gla.ac.uk/2212/.

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The permanent cell cycle arrest known as cellular senescence is a major block to tumorigenesis. Currently the effects of latent senescence signaling on disease progression, response to therapy and outcome are poorly understood. Furthermore, the role of microRNAs in the regulation of senescence remains to be fully elucidated. For immortalisation to occur replicative senescence must be bypassed usually by activating a telomere maintenance mechanism (TMM). However, the expression differences between TMMs are also poorly understood. To address these questions a combination of gene expression and m
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48

Jones, J. M. "β2 adrenergic receptor gene therapy during cardiopulmonary bypass". Thesis, University of Cambridge, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.605686.

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49

Galta, Tore. "Bypass Pigging of Subsea Pipelines Suffering Wax Deposition." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for produksjons- og kvalitetsteknikk, 2014. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-26676.

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Which criteria to pay attention to is important when finding the optimal pigging frequency. This thesis illustrates the forces acting on a bypass pig in operation. Expressions for both the frictional force and wax removal force have been presented. Results presented in this thesis show that the frictional forces are much higher than the forces for wax removal. The most important factor for the contact forces for a cleaning pig seems to be due to the oversize of the discs. However, it is difficult to obtain accurate values for the friction force without experimental data. The insulating effect
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50

Rowe, Christopher Stuart. "Improving the local haemodynamics of bypass graft anastomoses." Thesis, University of Liverpool, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367237.

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