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Vascular anesthesia

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https://www.readbyqxmd.com/read/28441420/mapping-of-the-brain-hemodynamic-responses-to-sensorimotor-stimulation-in-a-rodent-model-a-bold-fmri-study
#1
Salem Boussida, Amidou S Traoré, Franck Durif
Blood Oxygenation Level Dependent functional MRI (BOLD fMRI) during electrical paw stimulation has been widely used in studies aimed at the understanding of the somatosensory network in rats. However, despite the well-established anatomical connections between cortical and subcortical structures of the sensorimotor system, most of these functional studies have been concentrated on the cortical effects of sensory electrical stimulation. BOLD fMRI study of the integration of a sensorimotor input across the sensorimotor network requires an appropriate methodology to elicit functional activation in cortical and subcortical areas owing to the regional differences in both neuronal and vascular architectures between these brain regions...
2017: PloS One
https://www.readbyqxmd.com/read/28435002/systemic-arterial-hypertension-secondary-to-chronic-kidney-disease-in-two-captive-born-large-felids
#2
A Leclerc, E Trehiou-Sechi, E M Greunz, C Damoiseaux, J Bouvard, V Chetboul
Systemic arterial hypertension (SHT) has been widely described in the domestic cat (Felis catus). In these feline patients, SHT is considered as the most common vascular disorder of middle-aged to older animals, and secondary SHT related to chronic kidney disease (CKD) represents the most common form of the disease. We describe here the first two cases of spontaneous SHT in large felids, i.e. one 18-year old, 34.4 kg, male North-Chinese leopard (Panthera pardus japonensis, case #1) and one 20-year old, 28...
April 20, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28434070/subconjunctival-hemorrhage-and-vision-loss-after-regional-ocular-anesthesia
#3
Umesh Chandra Behera, Lapam Panda, Sumi Gupta, Rohit Ramesh Modi
PURPOSE: To report two cases of retinal vascular occlusion and associated subconjunctival hemorrhage in needle optic nerve injury during local bulbar anesthesia. METHODS: Surgical records of these two subjects who presented with acute vision loss after cataract extraction were studied, and systemic workup and ocular imaging were carried out to establish the cause. RESULTS: Computerized tomography showed evidence of optic nerve injury. CONCLUSION: Subconjunctival hemorrhage could be an associated clinical finding in hypodermic needle injury-related retinal vascular occlusion during ocular anesthesia...
April 22, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28409733/endovascular-management-of-acute-epidural-hematomas-clinical-experience-with-80-cases
#4
Carlos Michel A Peres, Jose Guilherme M P Caldas, Paulo Puglia, Almir F de Andrade, Igor A F da Silva, Manoel J Teixeira, Eberval G Figueiredo
OBJECTIVE Small acute epidural hematomas (EDHs) treated conservatively carry a nonmeasurable risk of late enlargement due to middle meningeal artery (MMA) lesions. Patients with EDHs need to stay hospitalized for several days, with neurological supervision and repeated CT scans. In this study, the authors analyzed the safety and efficacy of the embolization of the involved MMA and associated lesions. METHODS The study group consisted of 80 consecutive patients harboring small- to medium-sized EDHs treated by MMA embolization between January 2010 and December 2014...
April 14, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28400218/outcomes-of-the-japanese-multicenter-viabahn-trial-of-endovascular-stent-grafting-for-superficial-femoral-artery-lesions
#5
Takao Ohki, Kimihiko Kichikawa, Hiroyoshi Yokoi, Masaaki Uematsu, Terutoshi Yamaoka, Koji Maeda, Yuji Kanaoka
OBJECTIVE: The objective of this study was to assess 1-year safety, efficacy, and invasiveness outcomes of endovascular stent grafting of symptomatic long lesions (≥10 cm) in the superficial femoral artery (SFA) as a substitute for above-knee open bypass surgery. METHODS: This prospective, multicenter (15 hospitals) study assessed heparin-coated stent grafts for the treatment of long SFA lesions in Japanese subjects with peripheral arterial disease. Inclusion criteria were Rutherford category 2 to 5 symptoms (grade 5 without active infection), ankle-brachial index ≤0...
April 8, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28394815/normothermic-ex-vivo-heart-perfusion-effects-of-live-animal-blood-and-plasma-cross-circulation
#6
Joseph T Church, Fares Alghanem, Kristopher B Deatrick, John M Trahanas, Joseph P Phillips, Min Hee Song, Elena M Perkins, Robert H Bartlett, Alvaro Rojas-Pena, Martin L Bocks, Gabe E Owens
Prolonged normothermic ex-vivo heart perfusion (NEVHP) could transform cardiac transplantation. To help identify perfusate components that might enable long-term perfusion, we evaluated the effects of cross-circulated whole blood and cross-circulated plasma from a live paracorporeal animal on donor porcine hearts preserved via NEVHP. Standard perfusion (n=40) utilized red blood cell/plasma perfusate and Langendorf technique for a goal of 12 hours. Cross-circulation groups used a similar circuit with the addition of cross-circulated venous whole blood (XC-Blood; n=6) or cross-circulated filtered plasma (XC-Plasma; n=7) between a live paracorporeal pig under anesthesia and the perfusate reservoir...
April 6, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28393780/does-sleep-quality-affects-the-immediate-clinical-outcome-in-patients-undergoing-coronary-artery-bypass-grafting-a-clinico-biochemical-correlation
#7
Minati Choudhury, Anushree Gupta, Milind P Hote, Poonam Malhotra Kapoor, Sandeep Khanna, M V Kalaivani, Usha Kiran
OBJECTIVE: Poor sleep quality is emerging as high prevalence among the patients suffering from cardiometabolic disturbances. The vascular polypeptide endothelin 1 (ET-1) is involved in many of the health disorders. However, its potential involvement in patients having poor sleep quality along with cardiovascular problem is limited. The present study was formulated to conduct a prospective analysis of the relationship between ET-1 and in hospital outcome in sleep disorder patients undergoing routine coronary artery bypass grafting (CABG)...
April 2017: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/28384676/microscope-integrated-optical-coherence-tomography-angiography-in-the-operating-room-in-young-children-with-retinal-vascular-disease
#8
Xi Chen, Christian Viehland, Oscar M Carrasco-Zevallos, Brenton Keller, Lejla Vajzovic, Joseph A Izatt, Cynthia A Toth
Importance: Intraoperative optical coherence tomography (OCT) has gained traction as an important adjunct for clinical decision making during vitreoretinal surgery, and OCT angiography (OCTA) has provided novel insights in clinical evaluation of retinal diseases. To date, these two technologies have not been applied in combination to evaluate retinal vascular disease in the operating suite. Objective: To conduct microscope-integrated, swept-source OCTA (MIOCTA) in children with retinal vascular disease...
April 6, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28381794/effect-of-nerve-growth-factor-on-innervation-of-perivascular-nerves-in-neovasculatures-of-mouse-cornea
#9
Akiko Matsuyama, Shingo Takatori, Yoko Sone, Eiko Ochi, Mitsuhiro Goda, Yoshito Zamami, Narumi Hashikawa-Hobara, Yoshihisa Kitamura, Hiromu Kawasaki
Angiogenesis, which is the generation of new vascular networks from existing blood vessels, occurs under normal and pathophysiological conditions. Perivascular nerves, which innervate mature vasculatures, maintain vascular tone and regulate tissue blood flow. However, little is known whether perivascular nerves innervate newborn blood vessels. Therefore, the aim of this study was to investigate the distribution and characterization of perivascular nerves in neovasculatures, which were generated by the mouse corneal micropocket method...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28372680/the-impact-of-anesthesia-on-hemodynamic-and-volume-changes-in-operative-hysteroscopy-a-bioimpedance-randomized-study
#10
Ehab E Moharram, Ahmed M El Attar, Moustafa A Kamel
BACKGROUND: Operative hysteroscopy is accompanied by the use of distention medium. Its absorption can lead to volume overload and hemodynamic disturbances that can lead to serious complications. We investigated the impact of the type of anesthesia on decreasing these complications with the use of noninvasive thoracic bioimpedance. DESIGN: A prospective, randomized, blind study. METHOD: Sixty women, with American Society of Anesthesiologists classifications I-III, undergoing operative hysteroscopy were randomly allocated into 2 groups...
May 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28366065/management-of-acute-ischemic-stroke-due-to-tandem-occlusion-should-endovascular-recanalization-of-the-extracranial-or-intracranial-occlusive-lesion-be-done-first
#11
Leonardo Rangel-Castilla, Gary B Rajah, Hakeem J Shakir, Hussain Shallwani, Sirin Gandhi, Jason M Davies, Kenneth V Snyder, Elad I Levy, Adnan H Siddiqui
OBJECTIVE Acute tandem occlusions of the cervical internal carotid artery and an intracranial large vessel present treatment challenges. Controversy exists regarding which lesion should be addressed first. The authors sought to evaluate the endovascular approach for revascularization of these lesions at Gates Vascular Institute. METHODS The authors performed a retrospective review of a prospectively maintained, single-institution database. They analyzed demographic, procedural, radiological, and clinical outcome data for patients who underwent endovascular treatment for tandem occlusions...
April 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28362362/combined-intravital-microscopy-and-contrast-enhanced-ultrasonography-of-the-mouse-hindlimb-to-study-insulin-induced-vasodilation-and-muscle-perfusion
#12
Alexander H Turaihi, Erik M van Poelgeest, Victor W M van Hinsbergh, Erik H Serné, Yvo M Smulders, Etto C Eringa
It has been demonstrated that insulin's vascular actions contribute to regulation of insulin sensitivity. Insulin's effects on muscle perfusion regulate postprandial delivery of nutrients and hormones to insulin-sensitive tissues. We here describe a technique for combining intravital microscopy (IVM) and contrast-enhanced ultrasonography (CEUS) of the adductor compartment of the mouse hindlimb to simultaneously visualize muscle resistance arteries and perfusion of the microcirculation in vivo. Simultaneously assessing insulin's effect at multiple levels of the vascular tree is important to study relationships between insulin's multiple vasoactive effects and muscle perfusion...
March 20, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28361195/percutaneous-image-guided-cryoablation-as-second-line-therapy-of-soft-tissue-venous-vascular-malformations-of-extremities-a-prospective-study-of-safety-and-6-month-efficacy
#13
F H Cornelis, C Labrèze, V Pinsolle, Y Le Bras, C Castermans, C Bader, R Thiebaut, D Midy, N Grenier
PURPOSE: To report the safety and short-term efficacy of percutaneous image-guided cryoablation performed as second-line therapy of venous vascular malformations (VVM) of extremities. MATERIALS AND METHODS: In this non-blinded, no-randomized trial, cryoablation was proposed in 14 patients presenting with symptomatic VVM for recurrences after treatment. Eligibility criteria were: cryoablation feasible, localization at least 5 mm from skin and nerves, absence of contra-indication for anesthesia...
March 30, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28341606/safety-and-efficacy-of-sequential-intracorneal-ring-segment-implantation-and-crosslinking-in-pediatric-keratoconus
#14
Youssef Abdelmassih, Sylvain El-Khoury, Ali Dirani, Rafic Antonios, Ali Fadlallah, Carole G Cherfan, Elias Chelala, Elias F Jarade
PURPOSE: To evaluate the safety and visual outcome of intracorneal ring segment (ICRS) implantation followed by crosslinking in pediatric keratoconus patients. DESIGN: Retrospective interventional case series METHODS: This retrospective study included pediatric patients (≤14 years) with keratoconus and poor corrected distance visual acuity (CDVA) that underwent ICRS implantation and crosslinking (CXL). ICRS were inserted under topical anesthesia after creating a corneal tunnel with an Intralase femtosecond laser...
March 21, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28341026/dimethyl-sulfoxide-but-not-indomethacin-is-efficient-for-healing-in-hydrofluoric-acid-eye-burns
#15
Semih Altan, Zeki Oğurtan
INTRODUCTION: In this study, we aimed to investigate the effect of indomethacin and dimethyl sulfoxide (DMSO), well-known antioxidant and anti-inflammatory agents, to heal eye burns induced with hydrofluoric acid in rabbits. METHODS: After general anesthesia, the right eye of 72 male New Zealand rabbits were burned by instillation of 2% hydrofluoric acid for 60s. Following this, the eyes were irrigated with 500 cc normal saline. The rabbits were then divided into four groups of 18 rabbits each...
February 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28328586/percutaneous-isolated-hepatic-perfusion-hemodynamic-monitoring-and-goal-directed-anesthetic-management-a-case-report
#16
Oscar Martin-Delgado, Miguel Rodriguez, Andres Lopez, Miguel A Reina, Emilio De Vicente, Yolanda Quijano, Antonio Echenagusia, Juan A Martinez
The percutaneous isolated hepatic perfusion utilizes a venovenous bypass to administer high-dose chemotherapy exclusively in the liver, getting depurated through a hemofilter before returning to the systemic circulation. The hepatic perfusion is managed under general anesthesia and invasive monitoring as a result of very abrupt changes in venous return and vascular resistances because of the isolation of the hepatic territory and absorption of circulating catecholamines by the hemofilter. We report a case in which we describe the technique, physiologic implications, anesthetic, and goal-directed hemodynamic management for this procedure...
March 15, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28323163/cerebrospinal-and-interstitial-fluid-transport-via-the-glymphatic-pathway-modeled-by-optimal-mass-transport
#17
Vadim Ratner, Yi Gao, Hedok Lee, Rena Elkin, Maiken Nedergaard, Helene Benveniste, Allen Tannenbaum
The glymphatic pathway is a system which facilitates continuous cerebrospinal fluid (CSF) and interstitial fluid (ISF) exchange and plays a key role in removing waste products from the rodent brain. Dysfunction of the glymphatic pathway may be implicated in the pathophysiology of Alzheimer's disease. Intriguingly, the glymphatic system is most active during deep wave sleep general anesthesia. By using paramagnetic tracers administered into CSF of rodents, we previously showed the utility of MRI in characterizing a macroscopic whole brain view of glymphatic transport but we have yet to define and visualize the specific flow patterns...
March 18, 2017: NeuroImage
https://www.readbyqxmd.com/read/28302475/safety-and-effectiveness-of-a-percutaneous-first-approach-to-endovascular-aortic-aneurysm-repair
#18
Christopher Agrusa, Andrew Meltzer, Darren Schneider, Peter Connolly
BACKGROUND: Percutaneous endovascular aneurysm repair (PEVAR) has been increasingly employed in the endovascular treatment of abdominal aortic aneurysms. Furthermore, the percutaneous approach can be used with minimal sedation and local anesthesia in the majority of cases. The purpose of this study is to assess the safety and effectiveness of a "percutaneous first" approach to femoral access for EVAR. METHOD: From 2012 to 2014, PEVAR has been the preferred approach to femoral access for EVAR at our institution...
March 13, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28298801/stellate-ganglion-block-as-rescue-therapy-in-refractory-ventricular-tachycardia
#19
M C Rajesh, K V Deepa, E K Ramdas
Pain physicians and anesthesiologists routinely perform stellate ganglion block for the treatment of painful upper extremity sympathetic dystrophy. Close proximity of ganglion to vascular structures warrants some expertise and training in the procedure. Off late, successful use of the technique in intractable ventricular tachyarrhythmias has come in literature. We have few cases wherein we could successfully ablate intractable ventricular tachycardia with stellate block which was refractory to repeated shocks...
January 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28298760/the-effectiveness-of-intravenous-dexmedetomidine-on-perioperative-hemodynamics-analgesic-requirement-and-side-effects-profile-in-patients-undergoing-laparoscopic-surgery-under-general-anesthesia
#20
Vinayak Panchgar, Akshaya N Shetti, H B Sunitha, Vithal K Dhulkhed, A V Nadkarni
BACKGROUND: There is an upward surge in the use of laparoscopic surgeries due to various advantages when compared to open surgeries. Major advantages are, due to small incisions which are cosmetically acceptable and most of them are now daycare procedures. Problem of economic burden and hospital bed occupancy has been overcome with laparoscopic surgeries. All these advantages are not free from disadvantages, as hemodynamic changes such as hypertension; tachycardia and other surgical-related complications are commonly observed intraoperatively...
January 2017: Anesthesia, Essays and Researches
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