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https://www.readbyqxmd.com/read/29468258/intermuscular-implantation-technique-for-subcutaneous-cardioverter-defibrillators
#1
K P Letsas, S Xydonas, N Karamichalakis, M Efremidis, D Manolatos, G Bazoukis, D Asvestas, K Vlachos, S Georgopoulos, A Saplaouras, J Winter, A Sideris
BACKGROUND: The conventional technique for subcutaneous implantable cardioverter-defibrillator (S-ICD) implantation has been associated with pocket complications. The aim of this study was to evaluate the efficacy and safety of an alternative intermuscular technique for S‑ICD implantation. METHODS: S-ICDs were implanted in ten consecutive patients (ten males, mean age: 46.8 ± 14.7 years). The pocket for the pulse generator was made above the serratus anterior muscular fascia and beneath the latissimus dorsi muscle by detaching the fibrous tissue between the muscles...
February 21, 2018: Herz
https://www.readbyqxmd.com/read/29467678/structural-immaturity-of-human-ipsc-derived-cardiomyocytes-in-silico-investigation-of-effects-on-function-and-disease-modeling
#2
Jussi T Koivumäki, Nikolay Naumenko, Tomi Tuomainen, Jouni Takalo, Minna Oksanen, Katja A Puttonen, Šárka Lehtonen, Johanna Kuusisto, Markku Laakso, Jari Koistinaho, Pasi Tavi
Background: Human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) have emerged as a promising experimental tool for translational heart research and drug development. However, their usability as a human adult cardiomyocyte model is limited by their functional immaturity. Our aim is to analyse quantitatively those characteristics and how they differ from adult CMs. Methods and Results: We have developed a novel in silico model with all essential functional electrophysiology and calcium handling features of hiPSC-CMs...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29445985/acute-pericarditis-following-second-generation-cryoballoon-ablation-for-atrial-fibrillation
#3
Giacomo Mugnai, Carlo de Asmundis, Saverio Iacopino, Erwin Ströker, Massimo Longobardi, Maria Claudia Negro, Valentina De Regibus, Hugo Enrique Coutino-Moreno, Ken Takarada, Rajin Choudhury, Juan Pablo Abugattas de Torres, Cesare Storti, Pedro Brugada, Gian-Battista Chierchia
PURPOSE: Acute pericarditis is a minor complication following atrial fibrillation (AF) ablation procedures. The aim of the study was to evaluate the incidence and clinical aspects of pericarditis following cryoballoon (CB) ablation of AF investigating a possible association with procedural characteristics and a possible relationship with post-ablation recurrences. METHODS: Four hundred fifty consecutive patients (male 73%, age 59.9 ± 11.2 years) with drug-resistant paroxysmal AF who underwent CB ablation as index procedure were enrolled...
February 14, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29439890/brugada-type-pattern-on-electrocardiogram-associated-with-high-dose-loperamide-abuse
#4
Christie Sun, Jessica A Brice, Richard F Clark
BACKGROUND: Loperamide has been increasing in popularity recently for its effects separate from treatment of diarrhea. In large doses or in combination with other agents, it can lead to desirable effects in the central nervous system. However, cardiotoxicity has been reported with its abuse. CASE REPORT: A 49-year-old male who had been chronically abusing loperamide was found to have Brugada-like changes on his electrocardiogram (ECG). He had no other clinical symptoms associated with Brugada syndrome and did not have similar findings on previous ECGs...
February 10, 2018: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29423467/an-automated-microfluidic-dna-microarray-platform-for-genetic-variant-detection-in-inherited-arrhythmic-diseases
#5
Shu-Hong Huang, Yu-Shin Chang, Jyh-Ming Jimmy Juang, Kai-Wei Chang, Mong-Hsun Tsai, Tzu-Pin Lu, Liang-Chuan Lai, Eric Y Chuang, Nien-Tsu Huang
In this study, we developed an automated microfluidic DNA microarray (AMDM) platform for point mutation detection of genetic variants in inherited arrhythmic diseases. The platform allows for automated and programmable reagent sequencing under precise conditions of hybridization flow and temperature control. It is composed of a commercial microfluidic control system, a microfluidic microarray device, and a temperature control unit. The automated and rapid hybridization process can be performed in the AMDM platform using Cy3 labeled oligonucleotide exons of SCN5A genetic DNA, which produces proteins associated with sodium channels abundant in the heart (cardiac) muscle cells...
February 9, 2018: Analyst
https://www.readbyqxmd.com/read/29413499/pulmonary-function-predicts-mortality-and-hospitalizations-in-outpatients-with-heart-failure-and-preserved-ejection-fraction
#6
Rut Andrea, Alejandra López-Giraldo, Carlos Falces, Teresa López, Laura Sanchis, Concepción Gistau, Manel Sabaté, Marta Sitges, Josep Brugada, Àlvar Agustí
BACKGROUND: Heart failure with preserved ejection fraction (HFPEF) is the most frequent form of heart failure in ambulatory patients with new-onset symptoms. We previously showed that lung function abnormalities are highly prevalent in HFPEF patients. In this observational, longitudinal study, we tested the hypothesis that the presence of airflow limitation and/or arterial hypoxemia predicts mortality and/or cardiovascular hospitalizations during follow-up in HFPEF outpatients. MATERIALS AND METHODS: HFPEF was diagnosed following the international recommendations...
January 2018: Respiratory Medicine
https://www.readbyqxmd.com/read/29412012/application-of-an-assay-cascade-methodology-for-a-deep-preclinical-characterization-of-polymeric-nanoparticles-as-a-treatment-for-gliomas
#7
Cristina Fornaguera, Miguel Ángel Lázaro, Pau Brugada-Vilà, Irene Porcar, Ingrid Morera, Marta Guerra-Rebollo, Cristina Garrido, Núria Rubio, Jerónimo Blanco, Anna Cascante, Salvador Borrós
Glioblastoma multiforme (GBM) is the most devastating primary brain tumor due to its infiltrating and diffuse growth characteristics, a situation compounded by the lack of effective treatments. Currently, many efforts are being devoted to find novel formulations to treat this disease, specifically in the nanomedicine field. However, due to the lack of comprehensive characterization that leads to insufficient data on reproducibility, only a reduced number of nanomedicines have reached clinical phases. In this context, the aim of the present study was to use a cascade of assays that evaluate from physical-chemical and structural properties to biological characteristics, both in vitro and in vivo, and also to check the performance of nanoparticles for glioma therapy...
November 2018: Drug Delivery
https://www.readbyqxmd.com/read/29407085/drug-induced-type-1-brugada-ecg-lights-and-shadows
#8
EDITORIAL
Carla Giustetto, Natascia Cerrato, Fiorenzo Gaita
No abstract text is available yet for this article.
March 1, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29402340/whole-exome-sequencing-identifies-a-novel-scn5a-mutation-c335r-in-a-chinese-family-with-arrhythmia
#9
Hao Huang, Dong-Bo Ding, Liang-Liang Fan, Jie-Yuan Jin, Jing-Jing Li, Shuai Guo, Ya-Qin Chen, Rong Xiang
BACKGROUND: SCN5A encodes sodium-channel α-subunit Nav1.5. The mutations of SCN5A can lead to hereditary cardiac arrhythmias such as the long-QT syndrome type 3 and Brugada syndrome. Here we sought to identify novel mutations in a family with arrhythmia. METHODS: Genomic DNA was isolated from blood of the proband, who was diagnosed with atrial flutter. Illumina Hiseq 2000 whole-exome sequencing was performed and an arrhythmia-related gene-filtering strategy was used to analyse the pathogenic genes...
February 6, 2018: Cardiology in the Young
https://www.readbyqxmd.com/read/29397883/relation-of-the-brugada-phenocopy-to-hyperkalemia-from-the-international-registry-on-brugada-phenocopy
#10
Grace Xu, Byron H Gottschalk, Daniel D Anselm, David G Benditt, Ankit Maheshwari, Shiva Sreenivasan, Raed Abu Shama, Gregory Dendramis, Héctor Barajas-Martínez, José Manuel Rubio Campal, Sam G Aznaurov, Adrian Baranchuk
Brugada phenocopies (BrPs) are clinical entities that differ in etiology from true congenital Brugada syndrome but have identical electrocardiographic (ECG) patterns. Hyperkalemia is known to be one of the causes of BrP. The aim of this study was to determine the clinical characteristics and evolution of hyperkalemia-induced BrP. Data from 27 cases of hyperkalemia-induced BrP were collected from the International Registry at www.brugadaphenocopy.com. Data were extracted from publications. Of the 27 patients included in the analysis, 18 (67%) were male; mean age was 53 ± 15 years (range 31 to 89)...
December 29, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/29397524/rationale-and-design-of-the-trichampion-trial-triple-chamber-pacing-in-hypertrophic-obstructive-cardiomyopathy-patients
#11
Antonio Berruezo, Markus Linhart, Angelo Auricchio, José Luis Zamorano, Pilar Santamaria, Roger Borràs, Felip Burgos, Josep Brugada
PURPOSE: Dual-chamber (DDD) pacing has been used for treatment of patients with hypertrophic obstructive cardiomyopathy (HOCM). Due to inconclusive results in prior trials, current guidelines assign DDD pacing a class IIb indication in selected patients. Prior observations indicate that lack of clinical improvement may result from suboptimal effect of DDD pacing with non-physiological AV intervals due to fusion of intrinsic and paced QRS complex. METHODS: The Triple Chamber Pacing in Hypertrophic Obstructive Cardiomyopathy Patients (TRICHAMPION) trial is a prospective, randomized, single-blinded, multicenter study to investigate the benefit of atrial synchronous biventricular pacing (CRT-P) in highly symptomatic HOCM patients with severe left ventricular outflow tract (LVOT) obstruction who are not candidates for ablative therapies...
February 3, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29391825/tramadol-use-in-a-patient-with-brugada-syndrome-and-morphine-allergy-a-case-report
#12
Cengiz Sahutoglu, Seden Kocabas, Fatma Zekiye Askar
Brugada syndrome is a rare syndrome characterized by arrhythmias and sudden death, particularly in younger individuals. A mutation in a gene encoding the human cardiac sodium channels is responsible for this syndrome. In the literature, there are several case reports of Brugada syndrome in association with the use of several anesthetic agents. Herein, we present our anesthetic practice and the use of tramadol in a 75-year-old female patient who underwent pulmonary lobectomy under general anesthesia and was diagnosed with Brugada syndrome...
2018: Journal of Pain Research
https://www.readbyqxmd.com/read/29390049/intramural-clefts-and-structural-discontinuities-in-brugada-syndrome-the-missing-gap
#13
Bas J Boukens, Carol Ann Remme
No abstract text is available yet for this article.
January 30, 2018: Cardiovascular Research
https://www.readbyqxmd.com/read/29387326/performance-of-electrophysiologic-study-in-an-asymptomatic-patient-with-type-2-intermittent-brugada-syndrome-to-do-or-not-to-do
#14
Kaveh Hosseini, Mansour Jahangiri, Ali Vasheghani Farahani
Background: Brugada syndrome (BrS) is an inherited channelopathy, which is associated with sudden cardiac death due to rapid polymorphic VT or VF. There is no definite consensus regarding the management of asymptomatic patients. Some experts advocate close follow-up; others propose the programmed stimulation for risk stratification. We aimed to evaluate the benefit of complete atrial and ventricular stimulation in patients with BrS and palpitation. Case Presentation: A 30-year-old man was admitted to our hospital because of a family history of sudden cardiac death (SCD) at age less than 45 years...
2018: Caspian Journal of Internal Medicine
https://www.readbyqxmd.com/read/29381953/case-report-an-unusual-case-of-brugada-syndrome-combined-with-a-ventricular-septal-defect-a-case-report
#15
Xing Liu, Jianmei Zheng, Zhongcai Fan, Li Rao
RATIONALE: Brugada syndrome (BrS) is a cardiac ion channel disease that is caused by an autosomal dominant genetic abnormality. A ventricular septal defect is a common congenital heart disease, in which genetic defects play a significant role. PATIENT CONCERNS: We report an extremely rare case of a 42-year-old male with congenital heart disease, who suffered recurrent syncope and gastrointestinal bleeding. His electrocardiogram showed an unusual right bundle branch block-like pattern and ST-segment elevation in leads V1-V3...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29379724/impact-of-a-novel-algorithm-designed-to-reduce-t-wave-oversensing-with-the-subcutaneous-defibrillator-in-a-patient-with-type-i-brugada-electrocardiogram
#16
Serge Boveda, Marijke C Laarakker, Christèle Cardin, Jean-Paul Albenque
No abstract text is available yet for this article.
January 2018: HeartRhythm Case Reports
https://www.readbyqxmd.com/read/29375224/safety-and-efficacy-of-epicardial-ablation-of-ventricular-tachyarrhythmias-experience-from-a-tertiary-referral-center-in-taiwan
#17
Chin-Yu Lin, Fa-Po Chung, Yenn-Jiang Lin, Shih-Lin Chang, Li-Wei Lo, Yu-Feng Hu, Jo-Nan Liao, Ta-Chuan Tuan, Tze-Fan Chao, Yao-Ting Chang, Yun-Yu Chen, Abigail Louise D Te, Shinya Yamada, Shih-Ann Chen
Background: Epicardial catheter ablation has been shown to be an effective strategy for treating ventricular arrhythmias (VA). We investigated the efficacy and safety from a tertiary referral center in Taiwan. Methods: From 2010 to 2016, patients undergoing epicardial ablation for VAs were consecutively enrolled. The clinical characteristics, disease entity, electrophysiological studies, and ablation outcome were extracted for further analysis. Results: A total of 80 patients were eligible, including 34 patients for arrhythmogenic right ventricular cardiomyopathy (ARVC), 16 for Brugada syndrome (BrS), 13 for idiopathic VAs, 11 for idiopathic dilated cardiomyopathy (IDCM), 2 for ischemic cardiomyopathy, and 4 for other nonischemic cardiomyopathies (NICM)...
January 2018: Acta Cardiologica Sinica
https://www.readbyqxmd.com/read/29372449/unsafe-drug-use-and-arrhythmic-events-in-brugada-patients-with-icd-results-of-a-long-term-follow-up
#18
Diogo de Almeida Fernandes, Natália António, Marta Madeira, Pedro Sousa, Miguel Ventura, João Cristóvão, José Nascimento, Luís Elvas, Lino Gonçalves, Guilherme Mariano Pego
PURPOSE: Brugada syndrome is a hereditary disease linked with an increased risk of sudden death that may require an implantable cardioverter-defibrillator (ICD) in order to halt the arrhythmic events. The aim of this study was to identify possible triggers for appropriate ICD therapies in patients with Brugada syndrome, focusing on their past and current therapeutic profiles. METHODS: Thirty patients with high-risk Brugada syndrome, with ICD implanted at the Coimbra Hospital and University Center, were enrolled...
January 25, 2018: Cardiovascular Drugs and Therapy
https://www.readbyqxmd.com/read/29361645/brugada-syndrome-and-exercise-practice-current-knowledge-shortcomings-and-open-questions
#19
Giuseppe Mascia, Elena Arbelo, James Hernandez-Ojeda, Francesco Solimene, Ramon Brugada, Josep Brugada
No abstract text is available yet for this article.
July 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29360969/feasibility-of-drugs-in-brugada-syndrome
#20
Ibrahim El-Battrawy, Martin Borggrefe, Siegfried Lang, Xiaobo Zhou, Ibrahim Akin
No abstract text is available yet for this article.
January 18, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
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