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Cardiovascular anesthesia

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https://www.readbyqxmd.com/read/28319545/systemic-lupus-erythematosus-is-associated-with-increased-adverse-postoperative-renal-outcomes-and-mortality-a-historical-cohort-study-using-administrative-health-data
#1
Rovnat Babazade, Huseyin Oguz Yilmaz, Steve M Leung, Nicole M Zimmerman, Alparslan Turan
BACKGROUND: Systemic lupus erythematosus (SLE) is a common autoimmune connective tissue disease that mainly harms kidneys, heart, lungs, and nervous system. Effects of surgical stimulus and anesthesia combined with SLE-related pathologies may increase morbidity and mortality. Therefore, we aimed to evaluate the association between SLE (versus none) and postoperative renal, cardiac, and in-hospital mortality complications among patients undergoing major surgeries. METHODS: We obtained censuses of 2009 to 2011 inpatient hospital discharges across 7 states and conducted a retrospective cohort study by using International Classification of Diseases and Injuries, Version 9, diagnosis codes, procedure codes, and present-on-admission indicators...
April 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28317823/-functional-cardiovascular-assessment-in-dentists-performing-local-anesthesia-in-out-patient-settings
#2
S A Rabinovich, S N Razumova, Yu L Vasil'ev
The article presents the results of the cardiovascular changes assessment using electrocardiography (ECG) monitoring during local anesthesia in GP dentists. Selective ECG monitoring was carried out in 60 dentists aged 25-55 years (1 group - 25-34 y.o.; 2 group - 35-44 y.o.; 3 group - 45-55 y.o.) by means of portable «Valens» system. The study of stress index or the index of regulatory systems tension (IT) was conducted for 6 hours in the first day half within 1 working day. IT from 50 to 150 relative units was considered normal...
2017: Stomatologii︠a︡
https://www.readbyqxmd.com/read/28306737/alcohol-consumption-and-the-risk-of-postoperative-mortality-and-morbidity-after-primary-hip-or-knee-arthroplasty-a-register-based-cohort-study
#3
Torill A Rotevatn, Henrik Bøggild, Christinna R Olesen, Christian Torp-Pedersen, Rikke N Mortensen, Per F Jensen, Charlotte Overgaard
OBJECTIVE: To investigate the implications of low and moderate preoperative alcohol consumption on postoperative mortality and morbidity after primary hip and knee arthroplasty. METHODS: A total of 30,799 patients who underwent primary hip or knee arthroplasty between January 1st, 2005 and October 8th, 2011 with information on preoperative alcohol consumption (0 grams of pure alcohol/week, >0-168 g/week, >168-252 g/week, and >252 g/week) were identified through the Danish Anesthesia Database...
2017: PloS One
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
#4
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
https://www.readbyqxmd.com/read/28298755/attenuation-of-cardiovascular-response-to-direct-laryngoscopy-and-intubation-comparative-study-of-lignocaine-nifedipine-and-placebo-during-general-anesthesia
#5
Venkata Sesha Sai Krishna Manne, Venkata Raghavendra Paluvadi
BACKGROUND/OBJECTIVE: The purpose of the study was to compare the attenuation of cardiovascular response to direct laryngoscopy and intubation using lignocaine, nifedipine, and placebo during general anesthesia. MATERIALS AND METHODS: This prospective study was done in sixty patients undergoing noncardiac surgeries of American Society of Anesthesiologists health status Class I and II between the age groups of 18-60 years. They were randomly divided into three groups of 20 each (lignocaine group, nifedipine group, and placebo group) and cardiovascular response (heart rate [HR] and blood pressure [BP]) to direct laryngoscopy and intubation were compared...
January 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28287528/ultrasound-based-pulse-wave-velocity-evaluation-in-mice
#6
Nicole Di Lascio, Claudia Kusmic, Francesco Stea, Francesco Faita
Arterial stiffness can be evaluated by calculating pulse wave velocity (PWV), i.e., the speed with which the pulse wave travels in a conduit vessel. This parameter is being increasingly investigated in small rodent models in which it is used for assessing alterations in vascular function related to particular genotypes/treatments or for characterizing cardiovascular disease progression. This protocol describes an image processing algorithm which leads to non-invasive arterial PWV measurement in mice using ultrasound (US) images only...
February 14, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28277546/decerebrate-mouse-model-for-studies-of-the-spinal-cord-circuits
#7
Claire F Meehan, Kyle A Mayr, Marin Manuel, Stan T Nakanishi, Patrick J Whelan
The adult decerebrate mouse model (a mouse with the cerebrum removed) enables the study of sensory-motor integration and motor output from the spinal cord for several hours without compromising these functions with anesthesia. For example, the decerebrate mouse is ideal for examining locomotor behavior using intracellular recording approaches, which would not be possible using current anesthetized preparations. This protocol describes the steps required to achieve a low-blood-loss decerebration in the mouse and approaches for recording signals from spinal cord neurons with a focus on motoneurons...
April 2017: Nature Protocols
https://www.readbyqxmd.com/read/28268929/cardiovascular-interactions-assessed-via-conditional-joint-transfer-entropy-in-patients-developing-atrial-fibrillation-after-coronary-artery-bypass-graft-surgery
#8
Vlasta Bari, Marco Ranucci, Andrea Marchi, Beatrice De Maria, Valeria Pistuddi, Alberto Porta
Assigned the universe of knowledge Ω as composed by one target and two exogenous signals, the conditional joint transfer entropy (CJTE), assessing the amount of information jointly transferred from the two sources to the target that can be uniquely linked to one of the two sources, was found useful to study cardiovascular control. We propose the assessment of CJTE from systolic arterial pressure (SAP) and respiration (R) to heart period (HP) conditioned on R (CJTESAP, R→HP|R) along the baroreflex, and from HP and R to SAP conditioned on R (CJTEHP, R→SAP|R) along the feedforward mechanical pathway, in 134 patients undergoing coronary artery bypass graft surgery before (PRE) and after (POST) the induction of general anesthesia...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28253863/combined-use-of-dexmedetomidine-and-propofol-in-monitored-anesthesia-care-a-randomized-controlled-study
#9
Kyu Nam Kim, Hee Jong Lee, Soo Yeon Kim, Ji Yoon Kim
BACKGROUD: Although propofol and dexmedetomidine have been widely used for monitored anesthesia care, their adverse effects necessitate the search for better methods. Therefore, we performed this randomized controlled trial to evaluate the combined use of propofol and dexmedetomidine. METHODS: Eighty-seven adult patients undergoing hand surgery under brachial plexus block were randomly allocated to receive 1.6 μg/ml of the target effect site concentration of propofol (P group) and infusion of 0...
March 1, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28246618/effect-of-intravenous-ketorolac-on-postoperative-pain-in-mandibular-fracture-surgery-a-randomized-double-blind-placebo-controlled-trial
#10
Hamid Reza Eftekharian, Homa Ilkhani Pak
OBJECTIVE: To evaluate the effects of intravenous ketorolac on early postoperative pain in patients with mandibular fractures, who underwent surgical repair. METHODS: This prospective, randomized, placebo-controlled clinical trial was conducted in Shahid Rajaei Hospital, affiliated with Shiraz University of Medical Sciences during a 1-year period from 2015 to 2016. We included a total number of 50 patients with traumatic mandibular fractures who underwent surgical repair...
January 2017: Bulletin of Emergency and Trauma
https://www.readbyqxmd.com/read/28227134/cardiovascular-interactions-assessed-via-conditional-joint-transfer-entropy-in-patients-developing-atrial-fibrillation-after-coronary-artery-bypass-graft-surgery
#11
Vlasta Bari, Marco Ranucci, Andrea Marchi, Beatrice De Maria, Valeria Pistuddi, Alberto Porta, Vlasta Bari, Marco Ranucci, Andrea Marchi, Beatrice De Maria, Valeria Pistuddi, Alberto Porta, Vlasta Bari, Andrea Marchi, Alberto Porta, Valeria Pistuddi, Beatrice De Maria, Marco Ranucci
Assigned the universe of knowledge Ω as composed by one target and two exogenous signals, the conditional joint transfer entropy (CJTE), assessing the amount of information jointly transferred from the two sources to the target that can be uniquely linked to one of the two sources, was found useful to study cardiovascular control. We propose the assessment of CJTE from systolic arterial pressure (SAP) and respiration (R) to heart period (HP) conditioned on R (CJTESAP, R→HP|R) along the baroreflex, and from HP and R to SAP conditioned on R (CJTEHP, R→SAP|R) along the feedforward mechanical pathway, in 134 patients undergoing coronary artery bypass graft surgery before (PRE) and after (POST) the induction of general anesthesia...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28217049/effectiveness-of-sodium-thiopentone-propofol-and-etomidate-as-an-ideal-intravenous-anesthetic-agent-for-modified-electroconvulsive-therapy
#12
Altaf Hussain Mir, Nida Farooq Shah, Mehraj Ud Din, Shabir Ahmad Langoo, Fayaz Ahmad Reshi
INTRODUCTION: Electroconvulsive therapy (ECT) is a well-established psychiatric treatment in which seizures are electrically induced in patients for therapeutic effects. ECT can produce severe disturbances in the cardiovascular system and a marked increase in cerebral blood flow and intracranial pressure. These cardiovascular changes may be altered using various anesthetic drugs. AIM AND OBJECTIVES: This study was undertaken to compare the effects of intravenous (IV) sodium thiopentone, propofol, and etomidate, used as IV anesthetic agents in modified ECT as regards, induction time and quality of anesthesia, alteration of hemodynamics, seizure duration, and recovery time...
January 2017: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/28212182/what-s-new-in-obstetric-anesthesia-the-2016-gerard-w-ostheimer-lecture
#13
Philip E Hess
This special article presents potentially important trends and issues affecting the field of obstetric anesthesia drawn from publications in 2015. Both maternal mortality and morbidity in the United States have increased in recent years because, in part, of the changing demographics of the childbearing population. Pregnant women are older and have more pre-existing conditions and complex medical histories. Cardiovascular and noncardiovascular medical diseases now account for half of maternal deaths in the United States...
March 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28197025/current-perioperative-management-of-pheochromocytomas
#14
REVIEW
Rashmi Ramachandran, Vimi Rewari
Neuroendocrine tumors which have the potential to secrete catecholamines are either associated with sympathetic adrenal (pheochromocytoma) or nonadrenal (paraganglioma) tissue. Surgical removal of these tumors is always indicated to cure and prevent cardiovascular and other organ system complications associated with catecholamine excess. Some of these tumors have malignant potential as well. The diagnosis, localization and anatomical delineation of these tumors involve measurement of catecholamines and their metabolic end products in plasma and urine, (123)I-metaiodobenzylguanidine scintigraphy, computed tomography, and/or magnetic resonance imaging...
January 2017: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/28181385/hemodynamic-profile-and-behavioral-characteristics-during-induction-of-anesthesia-in-pediatric-patients-with-attention-deficit-hyperactivity-disorder
#15
Richard S Cartabuke, Joseph D Tobias, Julie Rice, Dmitry Tumin
AIM: There is no consensus regarding the administration of stimulant drugs preoperatively, particularly in pediatric patients diagnosed with ADHD. The primary objective of the current study was to assess differences in blood pressure and heart rate before and after induction of anesthesia between patients on chronic amphetamine or methylphenidate therapy who receive their normal dose preoperatively compared to patients in whom the prescribed medication was withheld. Secondary objectives were to assess the anxiety level during the induction of anesthesia and the effect of premedication with midazolam...
February 8, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28174025/effects-of-liposome-based-local-suppression-of-nerve-growth-factor-in-the-bladder-on-autonomic-dysreflexia-during-urinary-bladder-distention-in-rats-with-spinal-cord-injury
#16
Katsumi Kadekawa, Tsuyoshi Yoshizawa, Naoki Wada, Takahiro Shimizu, Tsuyoshi Majima, Pradeep Tyagi, William C de Groat, Kimio Sugaya, Naoki Yoshimura
PURPOSE: To examine (1) whether spinal cord injury (SCI) time-dependently increases the severity of autonomic dysreflexia (AD) and expression levels of bladder nerve growth factor (NGF) protein, and (2) whether local suppression of NGF in the bladder improves SCI-induced AD in rats. MATERIALS AND METHODS: SCI was produced by the transection of the T2/3 spinal cord in female Sprague-Dawley rats. At 4 or 8weeks after SCI, differences in the mean arterial blood pressure (ΔMAP) and heart rate (ΔMHR) during graded increases in intravesical pressure to 20, 40 and 60cm H2O from those before bladder distention and NGF protein levels in the bladder wall were evaluated in spinal intact and SCI rats under urethane anesthesia...
February 4, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28165304/effects-of-acepromazine-and-trazodone-on-anesthetic-induction-dose-of-propofol-and-cardiovascular-variables-in-dogs-undergoing-general-anesthesia-for-orthopedic-surgery
#17
Lindsey A Murphy, Michele Barletta, Lynelle F Graham, Lorna J Reichl, Margaret M Duxbury, Jane E Quandt
OBJECTIVE To compare the doses of propofol required to induce general anesthesia in dogs premedicated with acepromazine maleate or trazodone hydrochloride and compare the effects of these premedicants on cardiovascular variables in dogs anesthetized for orthopedic surgery. DESIGN Prospective, randomized study. ANIMALS 30 systemically healthy client-owned dogs. PROCEDURES 15 dogs received acepromazine (0.01 to 0.03 mg/kg [0.005 to 0.014 mg/lb], IM) 30 minutes before anesthetic induction and 15 received trazodone (5 mg/kg [2...
February 15, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/28144270/a-clinical-trial-evaluating-the-laryngeal-mask-airway-supreme-in-obese-children-during-general-anesthesia
#18
Yue Tian, Xiu-Ying Wu, Lu Li, Ling Ma, Yun-Feng Li
INTRODUCTION: The laryngeal mask airway (LMA)-Supreme is a disposable double-lumen laryngeal mask airway that is widely used in clinical practice. However, its use in obese children has not been evaluated. The aim of this study was to determine whether the LMA-Supreme could perform equally as well as endotracheal intubation in obese children having a minor surgical procedure. MATERIAL AND METHODS: After ethical board approval, 100 obese male children receiving non-emergent appendectomy for chronic appendicitis or surgery to correct concealed penis were randomly divided into an endotracheal intubation group and an LMA-Supreme group...
February 1, 2017: Archives of Medical Science: AMS
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
#19
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/28107080/the-influence-of-a-combined-butorphanol-and-midazolam-premedication-on-anesthesia-in-psittacid-species
#20
Marie Kubiak, Louise Roach, Kevin Eatwell
Premedication is considered routine for domestic animal and human anesthesia but is rarely applied to avian patients, and few controlled studies exist to document effects of premedication in avian species. To determine the effects of a butorphanol and midazolam premedication on general anesthesia and quality of induction and recovery phases in psittacid species, 17 clinically healthy birds undergoing anesthesia were randomly allocated into either a premedicated or control group. Anesthetic parameters were subsequently compared...
December 2016: Journal of Avian Medicine and Surgery
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