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Arrhythmia

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https://www.readbyqxmd.com/read/29232296/morbid-obesity-does-not-increase-morbidity-or-mortality-in-robotic-cardiac-surgery
#1
Hiroto Kitahara, Brooke Patel, Mackenzie McCrorey, Sarah Nisivaco, Husam H Balkhy
OBJECTIVE: Morbid obesity (body mass index ≥ 35 kg/m) usually confers a higher perioperative risk in cardiac surgery. Robotic cardiac surgery may have many advantages for these high-risk patients. METHODS: We retrospectively reviewed patients undergoing robotic cardiac surgery from July 2013 to April 2017 at our institution. We compared the outcomes of morbidly obese patients versus nonobese patients. RESULTS: A total of 486 patients underwent robotic cardiac surgery (322 men, median age = 65 years)...
December 7, 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/29232194/persistent-ventricular-bigeminy-during-anesthesia-in-pediatric-patients-a-case-report-of-an-11-year-old-child
#2
Sheetal Dalal, Vikas Chaudhari
An 11-year-old male child with fractures in both bones in his left forearm presented for open reduction and internal fixation. The pre-anesthetic check-up and investigations did not reveal any pre-existing underlying cardio-respiratory disease. The patient had an uneventful peri-operative period during the operation and was comfortable without any anxiety or restlessness. After an uneventful induction and intubation as per routine protocol, the patient received 600 mg of amoxicillin+clavunate intravenously as an antibiotic...
December 12, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/29231011/-research-progress-of-the-relationship-between-sunds-and-osahs
#3
REVIEW
Y D Wu, L Y Zhang, J D Cheng
Sudden unexplained nocturnal death syndrome (SUNDS) is always a difficulty in forensic medicine researches. Although the development of molecular genetics promotes the etiologic study of SUNDS, the pathogenesis of most such cases is still unclear. Sleep apnea syndrome (SAS) is one of the common forms of sleep disorders, and obstructive sleep apnea hypopnea syndrome (OSAHS) is the most common. In recent years, some domestic and international researches show that OSAHS is related to the development of cardiovascular disease, which may cause cardiac arrhythmia, even sudden death...
February 2017: Fa Yi Xue za Zhi
https://www.readbyqxmd.com/read/29230996/-research-progress-of-the-correlation-between-caveolin-and-unexpected-sudden-cardiac-death
#4
REVIEW
F Y Wu, L L Gai, X P Kong, B Hao, E W Huang, H Shi, L H Sheng, L Quan, S P Liu, B Luo
Due to the negative autopsy and without cardiac structural abnormalities, unexpected sudden cardiac death (USCD) is always a tough issue for forensic pathological expertise. USCD may be associated with parts of fatal arrhythmic diseases. These arrhythmic diseases may be caused by disorders of cardiac ion channels or channel-related proteins. Caveolin can combine with multiple myocardial ion channel proteins through its scaffolding regions and plays an important role in maintaining the depolarization and repolarization of cardiac action potential...
June 2017: Fa Yi Xue za Zhi
https://www.readbyqxmd.com/read/29230983/-the-changes-of-hif-1%C3%AE-and-vegf-a-in-myocardial-tissue-of-rats-with-arrhythmias
#5
Y Zhang, Z P Cao, R M Mao, Z B Du, L Mi, X Y Luo, M H Tian, B L Zhu
OBJECTIVES: To observe the expression changes of hypoxia inducible factor-1α(HIF-1α) and vascular endothelial growth factor-A (VEGF-A) in rats with arrhythmias, and to explore the differences of the expression pattern in the two indicators of acute myocardial ischemia caused by arrhythmias and coronary insufficiency. METHODS: The arrhythmia was induced by CaCl₂, and the expression changes of HIF-1α and VEGF-A were detected by immunohistochemistry, Western blotting and real-time PCR within 6 h after the arrhythmia in rats...
June 2017: Fa Yi Xue za Zhi
https://www.readbyqxmd.com/read/29230090/calcium-dynamics-and-cardiac-arrhythmia
#6
EDITORIAL
Makarand Deo, Seth H Weinberg, Patrick M Boyle
This Special Collection will gather all studies highlighting recent advances in theoretical and experimental studies of arrhythmia, with a specific focus on research seeking to elucidate links between calcium homeostasis in cardiac cells and organ-scale disruption of heart rhythm.
2017: Clinical Medicine Insights. Cardiology
https://www.readbyqxmd.com/read/29229519/leptin-injection-into-the-left-stellate-ganglion-augments-ischemia-related-ventricular-arrhythmias-via-sympathetic-nerve-activation
#7
Lilei Yu, Yuhong Wang, Xiaoya Zhou, Bing Huang, Menglong Wang, Xuefei Li, Guannan Meng, Shenxu Yuan, Hao Xia, Hong Jiang
BACKGROUND: Leptin is a peptide hormone produced by adipose tissue whose basic function is regulating energy balance and sympathetic outflow. Previous studies have shown that increased nerve activity of the left stellate ganglion (LSG) promotes ventricular arrhythmia (VA). OBJECTIVE: The aim of this study is to investigate whether leptin could facilitate VA through the activation of LSG. METHODS: Sixteen pentobarbital-anesthetized dogs were divided into a control group (saline, n=8) and a leptin group (leptin, n=8)...
December 8, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29229495/pulmonary-hypertension-and-pulmonary-artery-acceleration-time-a-systematic-review-and-meta-analysis
#8
Yi-Chia Wang, Chi-Hsiang Huang, Yu-Kang Tu
BACKGROUND: Measuring mean pulmonary artery pressure by right-heart catheterization is the gold standard for pulmonary hypertension (PH) diagnosis. However, its invasiveness and complication leads to its limited use. The aim of this study was to determine whether echocardiography-derived pulmonary artery acceleration time (PAAT) possesses adequate diagnostic performance for PH, using right-heart catheterization as a reference standard. METHODS: MEDLINE, Embase, PubMed, and the Cochrane Central Register of Controlled Trials were searched through July 2016 for studies evaluating PAAT for the diagnosis of PH...
December 8, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/29228515/aging-and-cardiometabolic-risk-in-european-hems-pilots-an-assessment-of-occupational-old-age-limits-as-a-regulatory-risk-management-strategy
#9
Hans Bauer, Dennis Nowak, Britta Herbig
Old-age limits are imposed in some occupations in an effort to ensure public safety. In aviation, the "Age 60 Rule" limits permissible flight operations conducted by pilots aged 60 and over. Using a retrospective cohort design, we assessed this rule's validity by comparing age-related change rates of cardiometabolic incapacitation risk markers in European helicopter emergency medical service (HEMS) pilots near age 60 with those in younger pilots. Specifically, individual clinical, laboratory, and electrocardiogram (ECG)-based risk markers and an overall cardiovascular event risk score were determined from aeromedical examination records of 66 German, Austrian, Polish, and Czech HEMS pilots (average follow-up 8...
December 11, 2017: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/29228446/telmisartan-reduces-arrhythmias-through-increasing-cardiac-connexin43-by-inhibiting-il-17-after-myocardial-infarction-in-rats
#10
H-Y Chang, X Li, Y Tian
OBJECTIVE: To observe the expressions of myocardial connexin43 (Cx43) and interleukin-17 (IL-17) in acute myocardial infarction (AMI) rats and investigate its possible mechanism of telmisartan in the prevention and treatment of arrhythmia in AMI. MATERIALS AND METHODS: Sprague Dawley (SD) rats were selected and myocardial infarction model was established. After the successful modeling, the rats were randomly divided into three groups: Sham group, MI group, Telm group...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29228310/concomitant-atrial-fibrillation-surgery-worth-the-effort
#11
Samer A M Nashef, Yasir Abu-Omar
Concomitant surgery for atrial fibrillation is a conceptually and clinically difficult area of cardiac surgical decision making. This review introduces the pathophysiological background, provides insight and guidance for cardiac surgeons on some of the conflicting evidence and claims, and explores the fields in which further research may help elucidate a cardiac surgical clinical strategy for tackling this common and potentially lethal form of arrhythmia.
December 8, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29227985/low-frequency-of-fabry-disease-in-patients-with-common-heart-disease
#12
Raphael Schiffmann, Caren Swift, Nathan McNeill, Elfrida R Benjamin, Jeffrey P Castelli, Jay Barth, Lawrence Sweetman, Xuan Wang, Xiaoyang Wu
PurposeTo test the hypothesis that undiagnosed patients with Fabry disease exist among patients affected by common heart disease.MethodsGlobotriaosylceramide in random whole urine using tandem mass spectroscopy, α-galactosidase A activity in dried blood spots, and next-generation sequencing of pooled or individual genomic DNA samples supplemented by Sanger sequencing.ResultsWe tested 2,256 consecutive patients: 852 women (median age 65 years (19-95)) and 1,404 men (median age 65 years (21-92)). The primary diagnoses were coronary artery disease (n = 994), arrhythmia (n = 607), cardiomyopathy (n = 138), and valvular disease (n = 568)...
October 26, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/29227008/ice-or-fire-comparison-of-second-generation-cryoballoon-ablation-and-radiofrequency-ablation-in-patients-with-symptomatic-persistent-atrial-fibrillation-and-an-enlarged-left-atrium
#13
Ersan Akkaya, Alexander Berkowitsch, Sergej Zaltsberg, Harald Greiss, Christian W Hamm, Johannes Sperzel, Thomas Neumann, Malte Kuniss
INTRODUCTION: We aimed to compare arrhythmia recurrence rates after second-generation cryoballoon (CB-Adv) ablation and radiofrequency (RF) ablation in patients with symptomatic persistent atrial fibrillation (AF) and left atrial (LA) enlargement. METHODS AND RESULTS: Persistent AF patients with LA enlargement were compared using a propensity-score-matching algorithm, and 111 patients treated with CB-Adv ablation and 111 patients treated with RF ablation were selected...
December 11, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29226502/s-r-difference-in-v1-v2-is-a-novel-criterion-for-differentiating-the-left-from-right-ventricular-outflow-tract-arrhythmias
#14
Onur Kaypakli, Hasan Koca, Durmus Yıldıray Sahin, Fadime Karataş, Suleyman Ozbicer, Mevlüt Koç
AIM: The correct estimation of the VA origin as RVOT or LVOT results in reduced ablation duration reduced radiation exposure and decreased number of vascular access. In our study, we aimed to detect the predictive value of S-R difference in V1-V2 for differentiating the left from right ventricular outflow tract arrhythmias. METHODS: We included 123 patients with symptomatic frequent premature ventricular outflow tract contractions who underwent successful catheter ablation (70 male, 53 female; mean age 46...
December 10, 2017: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/29225842/how-often-is-patent-foramen-ovale-an-innocent-bystander
#15
Francesco Versaci, Giampiero Vizzari, Domenico Sergi, Giuseppe Andò, Antonio Trivisonno, Francesco Romeo
Patent foramen ovale (PFO) is a risk factor for cryptogenetic stroke; its closure should be considered in selected patients. It is not always clear whether symptoms (presyncope, paresthesia) apparently due to paradoxical embolism are related with other cardiovascular disorders such as arrhythmias. Flecainide administration for post-PFO-closure supraventricular arrhythmias can unmask a latent undiagnosed Brugada syndrome.
December 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/29225838/multiple-inappropriate-implantable-cardiac-defibrillator-therapies-in-rapid-succession
#16
Jeffrey A Marbach, Colin Yeo, Martin S Green, Girish M Nair
Inappropriate implantable cardiac defibrillator (ICD) shocks are associated with significant morbidity and have the potential to trigger ventricular arrhythmias, cardiac decompensation, and death. We present a case of multiple inappropriate ICD therapies in rapid succession due electromagnetic interference from a Dr-Ho's transcutaneous electric nerve stimulator machine, and subsequently from a faulty electrical outlet.
December 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/29225735/effects-of-energy-drinks-on-the-cardiovascular-system
#17
REVIEW
Bishoy Wassef, Michelle Kohansieh, Amgad N Makaryus
Throughout the last decade, the use of energy drinks has been increasingly looked upon with caution as potentially dangerous due to their perceived strong concentration of caffeine aside from other substances such as taurine, guarana, and L-carnitine that are largely unknown to the general public. In addition, a large number of energy drink intoxications have been reported all over the world including cases of seizures and arrhythmias. In this paper, we focus on the effect of energy drinks on the cardiovascular system and whether the current ongoing call for the products' sales and regulation of their contents should continue...
November 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/29225683/concurrent-maternal-and-fetal-tachyarrhythmia-in-pregnancy
#18
Nadia Gabarin, Edgar T Jaeggi, Danna A Spears, Mathew Sermer, Candice K Silversides, Catriona J Bhagra
The occurrence of a maternal and fetal tachyarrhythmia together in pregnancy is exceedingly rare. We report a case of a persistent fetal atrial ectopic tachycardia occurring in conjunction with a maternal atrial tachycardia with left ventricular systolic dysfunction. Amiodarone was effective in treating both maternal and fetal arrhythmias.
December 2017: Obstetric Medicine
https://www.readbyqxmd.com/read/29225577/if-channel-as-an-emerging-therapeutic-target-for-cardiovascular-diseases-a-review-of-current-evidence-and-controversies
#19
REVIEW
Hayelom G Mengesha, Tadesse B Tafesse, Mohammed H Bule
In 2015, non-communicable diseases accounted for 39.5 million (70%) of the total 56.4 million deaths that occurred globally, of which 17.7 million (45%) were due to cardiovascular diseases. An elevated heart rate is considered to be one of the independent predictors and markers of future cardiovascular diseases. A variety of experimental and epidemiological studies have found that atherosclerosis, heart failure, coronary artery disease, stroke, and arrhythmia are linked to elevated heart rate. Although there are established drugs to reduce the heart rate, these drugs have undesirable side effects...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29225152/a-randomized-controlled-trial-of-intra-aortic-adenosine-infusion-before-release-of-the-aortic-cross-clamp-during-coronary-artery-bypass-surgery
#20
Amany Ammar, Khaled Mahmoud, Ahmed Elkersh, Zeinab Kasemy
OBJECTIVES: To assess the feasibility, safety, and potential useful effect of adenosine as a postconditioning agent in patients undergoing coronary artery bypass grafting surgeries. DESIGN: Prospective randomized controlled study. SETTING: University hospital. PARTICIPANTS: The study comprised 60 patients scheduled for coronary artery bypass grafting surgery. INTERVENTIONS: Adenosine (postconditioning group) or placebo (control group)...
December 7, 2017: Journal of Cardiothoracic and Vascular Anesthesia
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