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https://www.readbyqxmd.com/read/28100520/evidence-basis-for-using-perineural-dexmedetomidine-to-enhance-the-quality-of-brachial-plexus-nerve-blocks-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#1
L Vorobeichik, R Brull, F W Abdallah
BACKGROUND: Dexmedetomidine has been proposed as a perineural local anaesthetic (LA) adjunct to prolong peripheral nerve block duration; however, results from our previous meta-analysis in the setting of brachial plexus block (BPB) did not support its use. Many additional randomized trials have since been published. We thus conducted an updated meta-analysis. METHODS: Randomized trials investigating the addition of dexmedetomidine to LA compared with LA alone (Control) in BPB for upper extremity surgery were sought...
February 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28096580/randomized-double-blind-comparison-of-remifentanil-and-alfentanil-in-patients-undergoing-laparoscopic-cholecystectomy-using-total-intravenous-anesthesia
#2
José M Beleña, Mónica Núñez, Alfonso Vidal, Diego Anta
BACKGROUND AND AIMS: To compare the use of remifentanil and alfentanil to suppress intraoperative adrenergic response of pain and the influence of these drugs on the recovery profile in patients undergoing laparoscopic cholecystectomy using a total intravenous anesthesia (TIVA) technique. MATERIAL AND METHODS: One hundred patients undergoing elective laparoscopic cholecystectomy were randomized to be managed with either remifentanil (group R) or alfentanil (group A)...
October 2016: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/28078312/biallelic-scn10a-mutations-in-neuromuscular-disease-and-epileptic-encephalopathy
#3
Marios Kambouris, Julien Thevenon, Ariane Soldatos, Allison Cox, Joshi Stephen, Tawfeg Ben-Omran, Yasser Al-Sarraj, Hala Boulos, William Bone, James C Mullikin, Alice Masurel-Paulet, Judith St-Onge, Yannis Dufford, Corrine Chantegret, Christel Thauvin-Robinet, Jamil Al-Alami, Laurence Faivre, Jean Baptiste Riviere, William A Gahl, Alexander G Bassuk, May Christine V Malicdan, Hatem El-Shanti
OBJECTIVES: Two consanguineous families, one of Sudanese ethnicity presenting progressive neuromuscular disease, severe cognitive impairment, muscle weakness, upper motor neuron lesion, anhydrosis, facial dysmorphism, and recurrent seizures and the other of Egyptian ethnicity presenting with neonatal hypotonia, bradycardia, and recurrent seizures, were evaluated for the causative gene mutation. METHODS AND RESULTS: Homozygosity mapping and whole exome sequencing (WES) identified damaging homozygous variants in SCN10A, namely c...
January 2017: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/28077904/regadenoson-in-myocardial-perfusion-study-first-institutional-experiences-in-bosnia-and-herzegovina
#4
Nermina Beslic, Renata Milardovic, Amera Sadija, Sejla Ceric, Zeljka Raic
INTRODUCTION: Myocardial perfusion imaging (MPI) is widely used in the evaluation of known and suspected coronary artery disease (CAD). Imaging of heart in stress and rest enables the comparison of myocardial uptake of radiotracer in proportion to the needs and coronary flow, which is used for detection of perfusion defects. Exercise stress and pharmacologic agents are used for the stressing purpose. Novel pharmacologic stressor regadenoson is A2A selective adenosine agonist, which selectively binds to the adenosine receptors in coronary arteries causing coronary dilatation...
December 2016: Acta Informatica Medica: AIM
https://www.readbyqxmd.com/read/28067629/standardized-echocardiographic-assessment-of-cardiac-function-in-normal-adult-zebrafish-and-heart-disease-models
#5
Louis W Wang, Inken G Huttner, Celine F Santiago, Scott H Kesteven, Ze-Yan Yu, Michael P Feneley, Diane Fatkin
The zebrafish (Danio rerio) is an increasingly popular model organism in cardiovascular research. Major insights into cardiac developmental processes have been gained by studies of embryonic zebrafish. However, the utility of zebrafish for modeling adult-onset heart disease has been limited by a lack of robust methods for in vivo evaluation of cardiac function. We established a physiological protocol for underwater zebrafish echocardiography using high frequency ultrasound, and evaluated its reliability in detecting altered cardiac function in two disease models...
January 1, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28062881/characteristics-and-risk-factors-for-mortality-in-paediatric-in-hospital-cardiac-events-in-singapore-retrospective-single-centre-experience
#6
Yee Hui Mok, Amanda Pt Loke, Tsee Foong Loh, Jan Hau Lee
Introduction: There is limited data on paediatric resuscitation outcomes in Asia. We aimed to describe outcomes of paediatric in-hospital cardiac arrests (IHCA) and peri-resuscitation factors associated with mortality in our institution. Materials and Methods: Using data from our hospital's code registry from 2009 to 2014, we analysed all patients younger than 18 years of age with IHCA who required cardiopulmonary resuscitation (CPR). Exposure variables were obtained from clinical demographics, CPR and post-resuscitation data...
December 2016: Annals of the Academy of Medicine, Singapore
https://www.readbyqxmd.com/read/28052950/sepsis-and-siderosis-yersinia-enterocolitica-and-hereditary-haemochromatosis
#7
Phoebe A Thwaites, Marion L Woods
A 60-year-old woman was admitted with sepsis, relative bradycardia, CT evidence of numerous small liver abscesses and 'skin bronzing' consistent with hereditary haemochromatosis (HH). Yersinia enterocolitica O:9 infection was confirmed by serology specimens taken 10 days apart. Iron overload was detected, and homozygous C282Y gene mutation confirmed HH. Liver biopsy revealed grade IV siderosis with micronodular cirrhosis. Haemochromatosis is a common, inherited disorder leading to iron overload that can produce end-organ damage from excess iron deposition...
January 4, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28042454/exploratory-study-on-the-impact-of-switching-to-nilotinib-in-18-patients-with-chronic-myeloid-leukemia-in-chronic-phase-with-suboptimal-response-to-imatinib
#8
Sikander Ailawadhi, Luke P Akard, Carole B Miller, Anand Jillella, Daniel J DeAngelo, Solveig G Ericson, Felice Lin, Ghulam Warsi, Jerald Radich
BACKGROUND: The phase II, exploratory, open-label Exploring Nilotinib BCR-ABL Effects (ENABL) study [ClinicalTrials.gov identifier: NCT00644878] assessed the impact of switching to nilotinib therapy in patients with chronic myeloid leukemia in chronic phase (CML-CP) who had a suboptimal molecular response with imatinib. METHODS: Patients with CML-CP who had previously achieved a complete cytogenetic response (CCyR), but had a suboptimal molecular response, with frontline imatinib therapy (N = 18) were assigned to receive nilotinib 300 mg twice daily...
January 2017: Therapeutic Advances in Hematology
https://www.readbyqxmd.com/read/28032928/integrity-of-the-ganglionated-plexi-is-essential-to-parasympathetic-innervation-of-the-atrioventricular-node-by-the-right-vagus-nervez
#9
Olivier Xhaet, Luc DE Roy, Mariana Floria, Olivier Deceuninck, Dominique Blommaert, Fabien Dormal, Elisabeth Ballant, Mark LA Meir
INTRODUCTION: Radiofrequency isolation of pulmonary vein can be accompanied by transient sinus bradycardia or atrioventricular nodal (AVN) block, suggesting an influence on vagal cardiac innervation. However, the importance of the atrial fat pads in relation with the vagal innervation of AVN in humans remains largely unknown. This article is protected by copyright. All rights reserved The aim of this study was to evaluate the role of ganglionated plexi (GP) in the innervation of the AVN by the right vagus nerve...
December 29, 2016: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28003553/economics-of-home-monitoring-for-apnea-in-late-preterm-infants
#10
Brian L Montenegro, Michael Amberson, Lauren Veit, Christina Freiberger, Dmitry Dukhovny, Lawrence M Rhein
BACKGROUND: Apnea of prematurity affects a small proportion but large absolute number of late preterm infants, with out-patient management variably utilized despite relative clinical equipoise and potential for improved cost-effectiveness. METHODS: Over a 5-y period, from 2009 to 2013, infants born at ≥34 weeks gestational age at a level IIIB academic center in Boston, Massachusetts, with discharge-delaying apnea, bradycardia, and desaturation (ABD) events were identified...
January 2017: Respiratory Care
https://www.readbyqxmd.com/read/27965589/m-currents-kv7-2-7-3-kcnq2-kcnq3-are-responsible-for-dysfunctional-autonomic-control-in-hypertensive-rats
#11
Torill Berg
: Autonomic dysfunctions play important roles in hypertension, heart failure and arrhythmia, often with a detrimental and fatal effect. The present study analyzed if these dysfunctions involved M-channels (members of the Kv7/KNCQ family) in spontaneously hypertensive rats (SHR). Cardiac output and heart rate (HR) were recorded by a flow probe on the ascending aorta in anesthetized SHR and normotensive rats (WKY), and blood pressure (BP) by a femoral artery catheter. Total peripheral vascular resistance (TPR) was calculated...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27898164/dexmedetomidine-reduces-catheter-related-bladder-discomfort-a-prospective-randomized-placebo-controlled-double-blind-study
#12
Yang Zhao Yun, Xu Jun Mei, Zhu Rong, Dai Ru Ping, Liu Lei
OBJECTIVE: To evaluate the efficacy of dexmedetomidine in preventing catheterrelated bladder discomfort (CRBD) in a postanesthesia care unit (PACU). METHODS: A total of 138 consecutive adult male patients, classified by the American Society of Anesthesiologists (ASA) as ASA class I and ASA class II, were scheduled for elective open upper-middle abdominal surgery. They were randomized into 2 groups, C and D, comprising 69 patients each. Group C was given a saline solution as placebo, and group D received dexmedetomidine...
December 2016: Puerto Rico Health Sciences Journal
https://www.readbyqxmd.com/read/27890310/same-day-total-hip-arthroplasty-performed-at-an-ambulatory-surgical-center-90-day-complication-rate-on-549-patients
#13
Gregg R Klein, Jason M Posner, Harlan B Levine, Mark A Hartzband
BACKGROUND: There is an increasing interest in outpatient total hip arthroplasty (THA), as there are perceived benefits to the patient, insurer, and overall healthcare system. However, the safety of outpatient total joint arthroplasty has not been studied. METHODS: Five hundred forty-nine patients who underwent mini-posterior THA at a freestanding independent ambulatory surgical center (ASC) were reviewed. All patients were discharged to home on the day of surgery...
October 20, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27889726/prolonged-infusion-of-dexmedetomidine-in-critically-ill-children
#14
Cinara Andreolio, Jefferson Pedro Piva, Elisa Baldasso, Roberta Ferlini, Rafaela Piccoli
OBJECTIVE: To describe main indications, doses, length of infusion and side effects related to dexmedetomidine infusion. METHODS: Observational and retrospective study evaluating dexmedetomidine use in pediatric intensive care unit. RESULTS: 77 children received dexmedetomidine infusion longer than 6 hours for mechanical ventilation weaning (32.5%), post- neurosurgery and post-upper airway surgery (24.7%), non-invasive ventilation (13%), refractory tachycardia (6...
November 15, 2016: Indian Pediatrics
https://www.readbyqxmd.com/read/27878488/peculiar-aspects-in-influence-of-%C3%AE-1-adrenoceptor-stimulation-on-isolated-rat-heart
#15
T L Zefirov, I I Khabibrakhmanov, N I Ziyatdinova, A L Zefirov
The study examined the effect of α1-adrenoceptor stimulation with methoxamine on chronotropic function of isolated heart perfused ex vivo according to Langendorff and cardiac chronotropy in vivo. Stimulation of α1-adrenoceptors in isolated heart induced gradually developing bradycardia, which progressed during several minutes. Similar stimulation in vivo produced a short-term bradycardia probably terminated by the compensatory influences in the whole organism. Comparison of the data obtained in both experimental paradigms during α1-adrenoceptor stimulation revealed unidirectional changes in cardiac chronotropy characterized with time-related peculiarities...
November 2016: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27872214/effects-of-prolonged-anoxia-on-electrical-activity-of-the-heart-in-crucian-carp-carassius-carassius
#16
Elisa Tikkanen, Jaakko Haverinen, Stuart Egginton, Minna Hassinen, Matti Vornanen
The effects of sustained anoxia on cardiac electrical excitability were examined in the anoxia-tolerant Crucian carp (Carassius carassius). The electrocardiogram (ECG) and expression of excitation-contraction coupling genes were studied in fish acclimatised to normoxia in summer (+18°C) or winter (+2°C), and in winter fish after 1, 3 and 6 weeks of anoxia. Anoxia induced a sustained bradycardia from a heart rate of 10.3±0.77 to 4.1±0.29 bpm (P<0.05) after 5 weeks, and heart rate slowly recovered to control levels when oxygen was restored...
November 21, 2016: Journal of Experimental Biology
https://www.readbyqxmd.com/read/27871122/efficacy-and-safety-of-ablation-for-people-with-non-paroxysmal-atrial-fibrillation
#17
REVIEW
Jonathan Nyong, Guy Amit, Alma J Adler, Onikepe O Owolabi, Pablo Perel, David Prieto-Merino, Pier Lambiase, Juan Pablo Casas, Carlos A Morillo
BACKGROUND: The optimal rhythm management strategy for people with non-paroxysmal (persistent or long-standing persistent) atrial fibrilation is currently not well defined. Antiarrhythmic drugs have been the mainstay of therapy. But recently, in people who have not responded to antiarrhythmic drugs, the use of ablation (catheter and surgical) has emerged as an alternative to maintain sinus rhythm to avoid long-term atrial fibrillation complications. However, evidence from randomised trials about the efficacy and safety of ablation in non-paroxysmal atrial fibrillation is limited...
22, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27861115/leadless-cardiac-pacing-what-primary-care-providers-and-non-ep-cardiologists-should-know
#18
REVIEW
Erich L Kiehl, Daniel J Cantillon
Over the last 50 years, the use of transvenous pacemakers has been constrained by long-term complications that affect more than 1 in 10 patients, largely attributable to the endovascular leads and surgical pocket. Leadless cardiac pacing involves a self-contained pacemaker deployed directly into the heart without a lead or incisional access. The procedure has shown promise, eliminating pocket-related complications. Other advantages include postprocedural shoulder mobility and the ability to drive, shower, and bathe...
November 2016: Cleveland Clinic Journal of Medicine
https://www.readbyqxmd.com/read/27836893/dynamical-mechanisms-of-phase-2-early-afterdepolarizations-in-human-ventricular-myocytes-insights-from-bifurcation-analyses-of-two-mathematical-models
#19
Yasutaka Kurata, Kunichika Tsumoto, Kenshi Hayashi, Ichiro Hisatome, Mamoru Tanida, Yuhichi Kuda, Toshishige Shibamoto
: Early afterdepolarization (EAD) is known as a cause of ventricular arrhythmias in long QT syndromes. We theoretically investigated how the rapid (IKr) and slow (IKs) components of delayed-rectifier K(+) channel currents, L-type Ca(2+) channel current (ICaL), Na(+)/Ca(2+) exchanger current (INCX), Na(+)-K(+) pump current (INaK), intracellular Ca(2+) (Cai) handling via sarcoplasmic reticulum (SR), and intracellular Na(+) concentration (Nai) contribute to initiation, termination, and modulation of phase-2 EADs, using two human ventricular myocyte models...
January 1, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/27836293/asymptomatic-atrial-fibrillation-in-patients-with-atrial-fibrillation-and-implanted-pacemaker
#20
Michal Witkowski, Andrzej Bissinger, Tomasz Grycewicz, Andrzej Lubinski
INTRODUCTION: Atrial fibrillation is the most common chronic arrhythmia. Due to diagnostic difficulties, the exact prevalence of silent atrial fibrillation is not precisely defined. AIM: The main aim of the present study was to assess the prevalence of asymptomatic atrial fibrillation and the relation between clinical status and presence of symptoms of atrial fibrillation. MATERIAL AND METHODS: Fifty patients with implanted pacemaker with atrial fibrillation recording function and diagnosed paroxysmal atrial fibrillation were enrolled to the study in order to detect episodes of atrial fibrillation...
January 15, 2017: International Journal of Cardiology
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