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https://www.readbyqxmd.com/read/28212917/research-news-anesthesia-for-elective-abdominal-aortic-aneurysm-repair
#1
Mary W Stewart
No abstract text is available yet for this article.
February 2017: Journal of Perianesthesia Nursing: Official Journal of the American Society of PeriAnesthesia Nurses
https://www.readbyqxmd.com/read/28143710/hepatic-and-renal-mechanisms-underlying-the-osmopressor-response
#2
Tu H Mai, Emily M Garland, André Diedrich, David Robertson
Increased blood pressure (BP) is observed in patients with impaired baroreflexes after water drinking. The stimulus for this effect is low blood osmolality, and it has been termed the osmopressor response (OPR). The BP increase is associated with activation of the sympathetic nervous system and a requirement for transient receptor potential vanilloid 4 (TRPV4) channels. However, the mechanisms underlying the OPR are poorly understood. We tested the hypothesis that hypotonicity is sensed in the portal area to initiate the OPR...
January 27, 2017: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/28109383/portico-sheathless-transcatheter-aortic-valve-implantation-via-distal-axillary-artery
#3
Giuseppe Bruschi, Paola Colombo, Luca Botta, Stefano Nava, Bruno Merlanti, Oriana Belli, Francesco Musca, Francesco Soriano, Claudio F Russo, Fabrizio Oliva
Transcatheter aortic valve implantation has been designed to treat older patients affected by severe aortic stenosis who are considered high-risk surgical candidates because of multiple comorbidities. The least invasive approach for transcatheter aortic valves implantation should be considered the transfemoral retrograde route, because it is minimally invasive and is feasible with local anesthesia and mild sedation. Despite significant technical improvements in recent years, the transfemoral approach is contraindicated in cases of severe peripheral artery disease...
February 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28108832/beat-by-beat-assessment-of-cardiac-afterload-using-descending-aortic-velocity-pressure-loop-during-general-anesthesia-a-pilot-study
#4
Fabrice Vallée, Arthur Le Gall, Jona Joachim, Olivier Passouant, Joaquim Matéo, Arnaud Mari, Sandrine Millasseau, Alexandre Mebazaa, Etienne Gayat
Continuous cardiac afterload evaluation could represent a useful tool during general anesthesia (GA) to titrate vasopressor effect. Using beat to beat descending aortic pressure(P)/flow velocity(U) loop obtained from esophageal Doppler and femoral pressure signals might allow to track afterload changes. Methods We defined three angles characterizing the PU loop (alpha, beta and Global After-Load Angle (GALA)). Augmentation index (AIx) and total arterial compliance (Ctot) were measured via radial tonometry. Peripheral Vascular Resistances (PVR) were also calculated...
January 20, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28097183/local-anesthesia-for-percutaneous-thoracic-endovascular-aortic-repair
#5
Martijn van Dorp, Martijn Gilbers, Patrick Lauwers, Paul E Van Schil, Jeroen M H Hendriks
BACKGROUND: Thoracic endovascular aortic repair (TEVAR) requires large-bore vascular access due to the considerable diameters of the endoprosthesis and delivery device. The preclose technique preceding endograft delivery has opened the door for an evolved access strategy. In addition, treatment under local anesthesia offers the advantage of optimal neuromonitoring. The goal of this study was to analyze the efficacy and safety of percutaneous TEVAR under local anesthesia. METHODS: All patients undergoing TEVAR in an elective setting at the Antwerp University Hospital between June 2012 and June 2015 were prospectively entered into an endovascular database...
June 2016: Aorta (Stamford, Conn.)
https://www.readbyqxmd.com/read/28094152/use-of-3d-printer-technology-to-facilitate-surgical-correction-of-a-complex-vascular-anomaly-with-esophageal-entrapment-in-a-dog
#6
A Dundie, G Hayes, P Scrivani, L Campoy, D Fletcher, K Ash, E Oxford, N S Moïse
A 10 week old female intact Staffordshire terrier was presented with a total of five congenital cardio-thoracic vascular anomalies consisting of a patent ductus arteriosus (PDA) with an aneurysmic dilation, pulmonic stenosis, persistent right aortic arch, aberrant left subclavian artery and persistent left cranial vena cava. These abnormalities were identified with a combination of echocardiogram and computed tomography angiography (CTA). The abnormalities were associated with esophageal entrapment, regurgitation, and volume overload of the left heart with left atrial and ventricular enlargement...
January 13, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28076620/intraperitoneal-administration-of-silymarin-protects-end-organs-from-multivisceral-ischemia-reperfusion-injury-in-a-rat-model
#7
Aydemir Koçarslan, Sezen Koçarslan, Mehmet Salih Aydin, Şamil Gunay, Mahmut Alp Karahan, Abdullah Taşkın, Murat Üstunel, Nurten Aksoy
Objective: To determine whether intraperitoneal silymarin administration has favorable effects on the heart, lungs, kidney, and liver and on oxidative stress in a rat model of supraceliac aorta ischemia/reperfusion injury. Methods: Thirty male Wistar albino rats were divided equally into three groups: sham, control, and silymarin. The control and silymarin groups underwent supraceliac aortic occlusion for 45 min, followed by a 60 min period of reperfusion under terminal anesthesia...
November 2016: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28074788/comparison-of-two-doses-of-heparin-on-outcome-in-off-pump-coronary-artery-bypass-surgery-patients-a-prospective-randomized-control-study
#8
Murali Chakravarthy, Dattatreya Prabhakumar, Patil Thimmannagowda, Jayaprakash Krishnamoorthy, Antony George, Vivek Jawali
INTRODUCTION: While off pump coronary artery bypass surgery is practiced with an intention to reduce the morbidity associated with cardiopulmonary bypass, the resultant 'hypercoagulability' needs to be addressed. Complications such as cavitary thrombus possibly due to the hyper coagulability after off pump coronary artery bypass surgery have been described. Many clinicians use higher doses of heparin - up to 5 mg/kg in order to thwart this fear. Overall, there appears to be no consensus on the dose of heparin in off pump coronary artery bypass surgeries...
January 2017: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/28045412/transcatheter-aortic-valve-implantation-with-the-edwards-sapien-3-valve-first-experiences-in-turkey
#9
Abdullah Nabi Aslan, Serdal Baştuğ, Hacı Ahmet Kasapkara, Hüseyin Ayhan, Hakan Süygün, Telat Keleş, Tahir Durmaz, Nihal Akar Bayram, Emine Bilen, Engin Bozkurt
OBJECTIVE: Transcatheter aortic valve implantation (TAVI) has shown promising results in patients with severe aortic stenosis (AS) at high risk for open heart surgery. We aimed to evaluate outcomes of patients who underwent TAVI with Edwards SAPIEN 3 Transcatheter Heart Valve (S3), a second-generation TAVI device. METHODS: Between November 2014 and June 2016, 31 high-risk patients received balloon-expandable S3 valve at Atatürk Training and Research Hospital that has the largest case series in Turkey...
December 2016: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28028979/a-controlled-trial-of-the-efficacy-of-a-training-walking-program-in-patients-recovering-from-abdominal-aortic-aneurysm-surgery
#10
Bartosz R Wnuk, Jacek Durmała, Krzysztof Ziaja, Przemysław Kotyla, Marek Woźniewski, Edward Błaszczak
BACKGROUND: Major surgical procedures as well as general anesthesia contribute to muscle weakness and posture instability and may result in increased postoperative complications and functional disorders resulting from an elective operation. OBJECTIVES: We aim to state the significance of backward walking as a form of interval march training with patients after abdominal aortic aneurysm surgery. MATERIAL AND METHODS: Sixty-five patients were randomly divided into three subgroups and three various models of physiotherapy were applied...
November 2016: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28027088/feasibility-of-automated-propofol-sedation-for-transcatheter-aortic-valve-implantation-a-pilot-study
#11
Cédrick Zaouter, Thomas M Hemmerling, Stefano Mion, Lionel Leroux, Alain Remy, Alexandre Ouattara
BACKGROUND: Recently, several trials have shown that closed-loop sedation is feasible. No study has used automated sedation in extremely frail patients, such as those scheduled for transcatheter aortic valve implantation (TAVI). We developed and tested a novel automated sedation system for this kind of population and surgery. The system integrates a decision support system that detects respiratory and hemodynamic events via smart alarms, which provide pertinent/related clinical suggestions and treatment options...
December 22, 2016: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28012774/-intermittent-left-bundle-branch-block-reversal-to-normal-conduction-during-general-anesthesia
#12
Ana Maria Oliveira Correia da Silva, Emília Alexandra Gaspar Lima da Silva
BACKGROUND AND OBJECTIVES: Transient changes in intraoperative cardiac conduction are uncommon. Rare cases of the development or remission of complete left bundle branch block under general and locoregional anesthesia associated with myocardial ischemia, hypertension, tachycardia, and drugs have been reported. Complete left bundle branch block is an important clinical manifestation in some chronic hypertensive patients, which may also be a sign of coronary artery disease, aortic valve disease, or underlying cardiomyopathy...
December 21, 2016: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/28008429/applications-of-patient-specific-3d-printing-in-medicine
#13
Martin Heller, Heide-Katharina Bauer, Elisabeth Goetze, Matthias Gielisch, Klaus E Roth, Philipp Drees, Gerrit S Maier, Bernhard Dorweiler, Ahmed Ghazy, Meik Neufurth, Werner E G Müller, Heinz C Schröder, Xiaohong Wang, Christian-Friedrich Vahl, Bilal Al-Nawas
Already three decades ago, the potential of medical 3D printing (3DP) or rapid prototyping for improved patient treatment began to be recognized. Since then, more and more medical indications in different surgical disciplines have been improved by using this new technique. Numerous examples have demonstrated the enormous benefit of 3DP in the medical care of patients by, for example, planning complex surgical interventions preoperatively, reducing implantation steps and anesthesia times, and helping with intraoperative orientation...
2016: International Journal of Computerized Dentistry
https://www.readbyqxmd.com/read/28005161/-epidural-anesthesia-for-fetoscopy-retrospective-analysis-of-a%C3%A2-one-year-cohort
#14
N Kiefer, S F Suter, C Berg, U Gembruch, S U Weber
BACKGROUND: The introduction of routine prenatal screening using ultrasound has led to a substantial increase in diagnoses of fetal disorders that are amenable to intrauterine treatment. While an ultrasound guided insertion of small bore cannulas can be performed under local anesthesia, insertion of a fetoscope usually requires anesthetic management for the mother and the fetus. Additionally, the fetus' intrauterine position may have to be manipulated in order to enable access. Such manoeuvres depend on relaxation of the mother's abdominal wall...
January 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/27989078/intravenous-recombinant-tissue-plasminogen-activator-therapy-for-acute-basilar-artery-ischemic-stroke-following-transfemoral-transcatheter-aortic-valve-implantation
#15
Nicholas J Montarello, Adam J Nelson, Samuel L Sidharta, Stephen G Worthley
Transcatheter aortic valve implantation (TAVI) can now be considered a standard of care for inoperable and high-risk surgical patients with severe aortic stenosis, and its uptake worldwide is rapidly increasing. Indeed, many centers performing the procedure have now moved towards treating intermediate-risk patients with TAVI rather than referring them for surgical aortic valve replacement. Although the incidence of peri-procedural acute and subacute stroke following TAVI has fallen to 2-5%, its occurrence can be life-threatening and life-changing, and every effort must be made to improve patient outcome should stroke occur...
January 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/27970066/tct-687-effects-of-anesthesia-on-cost-and-length-of-stay-in-patients-undergoing-transcatheter-aortic-valve-replacement-tavr-results-from-a-cohort%C3%A2-study
#16
Mark Lebehn, Tina Hunter, Seth Clancy, Christian Spies
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27970041/tct-664-comparison-of-general-versus-local-anesthesia-in-patients-undergoing-transcatheter-aortic-valve-replacement-tavr-a-meta-analysis
#17
Pedro Villablanca, Mohammed Makkiya, Katarina Nikolic, Kaijun Wang, Agata Leśniak-Sobelga, John Augoustides, Yasdet Maldonato, Harish Ramakrishna
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27940009/no-protection-of-heart-kidneys-and-brain-by-remote-ischemic-preconditioning-before-transfemoral-transcatheter-aortic-valve-implantation-interim-analysis-of-a-randomized-single-blinded-placebo-controlled-single-center-trial
#18
Philipp Kahlert, Heike Annelie Hildebrandt, Polykarpos Christos Patsalis, Fadi Al-Rashid, Rolf Alexander Jánosi, Felix Nensa, Thomas Wilfried Schlosser, Marc Schlamann, Daniel Wendt, Matthias Thielmann, Eva Kottenberg, Ulrich Frey, Markus Neuhäuser, Michael Forsting, Heinz Günther Jakob, Tienush Rassaf, Jürgen Peters, Gerd Heusch, Petra Kleinbongard
BACKGROUND: Remote ischemic preconditioning (RIPC) reduces myocardial injury and improves clinical outcome in patients undergoing coronary revascularization, but only in the absence of propofol-anesthesia. We investigated whether RIPC provides protection of heart, kidneys and brain and improves outcome in patients undergoing transfemoral transcatheter aortic valve implantation (TF-TAVI). METHODS: Patients undergoing TF-TAVI were randomized to receive RIPC (3cycles of 5min left upper arm ischemia and 5min reperfusion) or placebo...
March 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/27932181/use-of-terlipressin-in-an-elderly-patient-with-moderate-aortic-valve-stenosis-accompanied-by-episodic-atrial-fibrillation-during-liver-transplantation-a-case-report
#19
Y J Won, B G Lim, D Chung, E Park, H Kim, I O Lee, M H Kong
Anesthesia for patients with moderate aortic stenosis accompanied by atrial fibrillation during high-risk surgery such as liver transplantation remains a challenge in maintaining control of heart rate and maintenance of cardiac output. The action of terlipressin on vasopressin receptors (mainly V1 receptors) leads to splanchnic vasoconstriction and is the key mechanism responsible for increasing systemic vascular resistance and reducing heart rate. We report successful anesthetic management using low-dose terlipressin infusion in an elderly patient who had moderate aortic stenosis with atrial fibrillation during urgent deceased-donor liver transplantation...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27910802/near-infrared-spectroscopy-evaluated-cerebral-oxygenation-during-anesthesia
#20
Henrik Sørensen
Likely, maintained organ and notably cerebral perfusion, secures rapid recovery following anesthesia. To secure cerebral blood flow (CBF) at least mean arterial pressure (MAP) and the arterial carbon dioxide tension (PaCO2) need to be considered. CBF is "autoregulated", i.e. stays more or less stable within a MAP of 50-150 mmHg, but the lower limit appears to depend on the central blood volume and/or cardiac output, illustrated by a decrease in CBF at a MAP of 80 mmHg with a compromised central blood volume, while CBF remains constant with a MAP < 40 mmHg, if the central blood volume is maintained...
December 2016: Danish Medical Journal
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