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https://www.readbyqxmd.com/read/29154461/patient-understanding-of-disease-and-the-use-and-outcome-of-implantable-cardioverter-defibrillators-in-hypertrophic-cardiomyopathy
#1
Shankar Baskar, John L Jefferies, Lisa Salberg, Philip R Khoury, David S Spar, Timothy K Knilans, Richard J Czosek
Hypertrophic cardiomyopathy (HCM) is the most common cause of sudden cardiac death (SCD) in young individuals. Implantable cardioverter defibrillators (ICD) are the primary therapy for sudden death prevention; however, are associated with both physical and psychological complications. We sought to determine factors associated with ICD understanding and patient satisfaction. This was a cross-sectional study, using patient/parent answered questionnaires distributed to patients enrolled in the Hypertrophic Cardiomyopathy Association...
November 20, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29153848/-maternal-death-by-stroke-results-from-the-french-enquiry-into-maternal-deaths-2010-2012
#2
H Cohen, M Rossignol
Stroke is a rare event during pregnancy (10/100,000) and can be ischemic (24%), hemorrhagic (74%) or both (2%). Pregnancy probably increases the risk even if it is discussed for arteriovenous malformation (AVM), aneurismal subarachnoid hemorrhage (SAH) and cavernomas. Between 2010 and 2012, 31 maternal deaths were associated with stroke. In 22 cases, stroke was the direct cause of death giving a maternal mortality ratio of 0,9/100,000 witch is not different from the former report (2007-2009). There were 2 cerebral thrombophlebitis, 2 ischemic strokes and 18 hemorrhagic strokes (4 SAH, 2 AVM)...
November 15, 2017: Gynecologie, Obstetrique, Fertilite & Senologie
https://www.readbyqxmd.com/read/29153773/spectrum-and-outcome-of-patients-who-have-undergone-implantation-of-an-implantable-cardioverter-defibrillator-after-aborted-sudden-cardiac-arrest
#3
Fabrice Extramiana, Benjamin Stordeur, Vincent Furioli, Estelle Gandjbakhch, Nicolas Lellouche, Vincent Algalarrondo, Emilie Varlet, Anne Messali, Eloi Marijon, Antoine Leenhardt
Most of implantable cardioverter defibrillator (ICD) secondary prevention studies have been published 2 decades ago. We aimed to describe a contemporary cohort of patients who have undergone implantation of an ICD after an aborted-sudden cardiac arrest (SCA). We retrospectively evaluated consecutive patients referred to our centers between 2005 and 2013. Predictors of overall mortality or heart transplant were analyzed using Cox proportional hazards models. A total of 250 patients (76.4% male, 48.7 ± 16...
October 20, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/29153572/prognostic-value-of-quantitative-stress-perfusion-cardiac-magnetic-resonance
#4
Eva C Sammut, Adriana D M Villa, Gabriella Di Giovine, Luke Dancy, Filippo Bosio, Thomas Gibbs, Swarna Jeyabraba, Susanne Schwenke, Steven E Williams, Michael Marber, Khaled Alfakih, Tevfik F Ismail, Reza Razavi, Amedeo Chiribiri
OBJECTIVES: This study sought to evaluate the prognostic usefulness of visual and quantitative perfusion cardiac magnetic resonance (CMR) ischemic burden in an unselected group of patients and to assess the validity of consensus-based ischemic burden thresholds extrapolated from nuclear studies. BACKGROUND: There are limited data on the prognostic value of assessing myocardial ischemic burden by CMR, and there are none using quantitative perfusion analysis. METHODS: Patients with suspected coronary artery disease referred for adenosine-stress perfusion CMR were included (n = 395; 70% male; age 58 ± 13 years)...
November 10, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29151416/-short-term-deep-sedation-strategy-in-patients-with-spontaneous-intracerebral-hemorrhage-a-randomized-controlled-trial
#5
Zhuheng Wang, Chunzhi Shi, Liping Sun, Qinghua Guo, Wei Qiao, Guanhua Zhou
OBJECTIVE: To evaluate the efficacy and safety of short-term deep sedation strategy in patients with spontaneous intracerebral hemorrhage (ICH) after surgery. METHODS: A perspective, randomized, parallel-group study was conducted. Adult patients with spontaneous ICH and undergoing craniotomy admitted to Daxing Teaching Hospital of Capital Medical University from December 2015 to November 2016 were enrolled. The patients who received surgery were randomly divided into a short-term deep sedation and a slight and middle sedation group...
November 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29150533/disparity-between-indications-for-and-utilization-of-implantable-cardioverter-defibrillators-in-asian-patients-with-heart-failure
#6
Yvonne May Fen Chia, Tiew-Hwa Katherine Teng, Eugene S J Tan, Wan Ting Tay, A Mark Richards, Calvin Woon Loong Chin, Wataru Shimizu, Sang Weon Park, Chung-Lieh Hung, Lieng H Ling, Tachapong Ngarmukos, Razali Omar, Bambang B Siswanto, Calambur Narasimhan, Eugene B Reyes, Cheuk-Man Yu, Inder Anand, Michael R MacDonald, Jonathan Yap, Shu Zhang, Eric A Finkelstein, Carolyn S P Lam
BACKGROUND: Implantable cardioverter defibrillators (ICDs) are lifesaving devices for patients with heart failure (HF) and reduced ejection fraction. However, utilization and determinants of ICD insertion in Asia are poorly defined. We determined the utilization, associations of ICD uptake, patient-perceived barriers to device therapy and, impact of ICDs on mortality in Asian patients with HF. METHODS AND RESULTS: Using the prospective ASIAN-HF (Asian Sudden Cardiac Death in Heart Failure) registry, 5276 patients with symptomatic HF and reduced ejection fraction (HFrEF) from 11 Asian regions and across 3 income regions (high: Hong Kong, Japan, Korea, Singapore, and Taiwan; middle: China, Malaysia, and Thailand; and low: India, Indonesia, and Philippines) were studied...
November 2017: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/29150126/hypertrophic-cardiomyopathy
#7
REVIEW
Juan José Santos Mateo, María Sabater Molina, Juan Ramón Gimeno Blanes
Hypertrophic cardiomyopathy is the most common inherited cardiovascular disease. It is characterized by increased ventricular wall thickness and is highly complex due to its heterogeneous clinical presentation, several phenotypes, large number of associated causal mutations and broad spectrum of complications. It is caused by mutations in sarcomeric proteins, which are identified in up to 60% of cases of the disease. Clinical manifestations of Hypertrophic Cardiomyopathy include shortness of breath, chest pain, palpitations and syncope, which are related to the onset of diastolic dysfunction, left ventricular outflow tract obstruction, ischemia, atrial fibrillation and abnormal vascular responses...
November 14, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/29148628/clinical-significance-of-st-depression-at-exercise-stress-testing-in-competitive-athletes-usefulness-of-coronary-ct-during-screening
#8
Fabio Sperandii, Emanuele Guerra, Eliana Tranchita, Carlo Minganti, Chiara Lanzillo, Antonia Nigro, Federico Quaranta, Attilio Parisi, Mauro DI Roma, Luciano Maresca, Federica Fagnani, Leonardo Calò
BACKGROUND: Congenital coronary anomalies (CCAs) and coronary artery disease (CAD) arouse intense scientific and clinical interest in sports medicine and sports cardiology medical communities because of their potential to trigger sudden cardiac death (SCD) in athletes. Exercise stress testing represent the first instrumental assessment to evaluate electrocardiographic changes during effort. Coronary computed tomography angiography (CCTA) is an advanced accurate noninvasive imaging modality for excluding CAD and abnormalities of origin and course of coronary vessels...
November 17, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29148267/detection-of-teschovirus-type-13-from-two-swine-herds-exhibiting-nervous-clinical-signs-in-growing-pigs
#9
J Carnero, C Prieto, L Polledo, F J Martínez-Lobo
Recently, the number of clinical reports of growing pigs showing neurological signs possibly related to viral infections has increased. The objective of this report was to describe two outbreaks of an atypical condition observed in 6- to 7-week-old pigs with a morbidity of 20% and a fatality rate of 60% in two unrelated farms of the same company. During the acute phase of the disease, fever, sudden death, neurological signs, ear necrosis and occasional corneal opacity were observed. Histopathological examination revealed interstitial pneumonia, lymphoid depletion and lymphocytic vasculitis in different organs and mild polioencephalomyelitis suggesting a potential viral infection...
November 16, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29148067/should-theophylline-be-added-to-the-j-wave-syndrome-therapeutic-armamentarium
#10
EDITORIAL
Charles Antzelevitch, Sami Viskin
The substrate for both early repolarization syndrome (ERS) and Brugada syndrome (BrS), the so-called J wave syndromes, has been shown to develop as a consequence of genetic variants causing a loss of function of inward currents such sodium (INa ) and calcium (ICa ) channel currents or a gain of function in outward currents such as the transient outward current (Ito ). These changes in ion channel function result in an outward shift of the balance of currents active during the early phases of the epicardial action potential in the right ventricular outflow tract (RVOT) of the heart in the case BrS and in the inferior left ventricle in the case of ERS...
November 16, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29147916/integrative-analysis-of-proteomics-data-to-obtain-clinically-relevant-markers
#11
Nathan Salomonis
The analysis of proteomics data can be significantly challenging. Beyond the technical challenges of accurately identifying and quantifying peptides, identifying the most biologically coherent set of biomarkers can be a particularly daunting step. In this chapter, we will review a series of methods implemented in the software AltAnalyze that can be used to normalize proteomics peptide counts, identify a minimal set of the most distinguishing morbidity-associated biomarkers, and connect up these results to known pathways and interacting protein and regulatory networks...
November 18, 2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29147012/piperidylmethyloxychalcone-improves-immune-mediated-acute-liver-failure-via-inhibiting-tak1-activity
#12
Sun Hong Park, Jeong-Ah Kwak, Sang-Hun Jung, Byeongwoo Ahn, Won-Jea Cho, Cheong-Yong Yun, Chang Seon Na, Bang Yeon Hwang, Jin Tae Hong, Sang-Bae Han, Youngsoo Kim
Mice deficient in the toll-like receptor (TLR) or the myeloid differentiation factor 88 (MyD88) are resistant to acute liver failure (ALF) with sudden death of hepatocytes. Chalcone derivatives from medicinal plants protect from hepatic damages including ALF, but their mechanisms remain to be clarified. Here, we focused on molecular basis of piperidylmethyloxychalcone (PMOC) in the treatment of TLR/MyD88-associated ALF. C57BL/6J mice were sensitized with D-galactosamine (GalN) and challenged with Escherichia coli lipopolysaccharide (LPS, TLR4 agonist) or oligodeoxynucleotide containing unmethylated CpG motif (CpG ODN, TLR9 agonist) for induction of ALF...
November 17, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29146682/magnitude-of-soluble-st2-as-a-novel-biomarker-for-acute-aortic-dissection
#13
Yuan Wang, Xin Tan, Hai Gao, Hui Yuan, Rong Hu, Lixin Jia, Junming Zhu, Lizhong Sun, Hongjia Zhang, Lianjun Huang, Dong Zhao, Pei Gao, Jie Du
Background -Misdiagnosis of acute aortic dissection (AAD) can lead to significant morbidity and death. Soluble ST2 (sST2) is a cardiovascular injury-related biomarker. The extent to which sST2 is elevated in AAD and whether sST2 can discriminate AAD from other causes of sudden-onset severe chest pain is unknown. Methods -We measured plasma concentrations of sST2 (R&D systems assay) in 1360 patients, including 1027 participants in the retrospective discovery set and 333 patients with initial suspicion of AAD enrolled in the prospective validation cohort...
November 16, 2017: Circulation
https://www.readbyqxmd.com/read/29146296/anomalous-origin-of-coronary-arteries-from-the-wrong-sinus-in-athletes-diagnosis-and-management-strategies
#14
Vincenzo Palmieri, Salvatore Gervasi, Massimiliano Bianco, Roberta Cogliani, Barbara Poscolieri, Francesco Cuccaro, Riccardo Marano, Mario Mazzari, Cristina Basso, Paolo Zeppilli
AIMS: Although anomalous origin of left (AOLCA) and right coronary artery (AORCA) from the wrong sinus may cause sudden death (SD) in athletes, early diagnosis and management of these anomalies are still challenging. We analysed clinical/instrumental profiles of athletes identified with AOLCA/AORCA focusing our attention on diagnosis, management and follow-up. METHODS AND RESULTS: We report 23 athletes (17 males, mean age 27±17yrs.), 6 with AOLCA and 17 with AORCA...
November 8, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/29146276/perioperative-management-of-oral-anticoagulation-in-patients-undergoing-implantation-of-subcutaneous-implantatble-defibrillator
#15
Muhammad R Afzal, Divyesh Mehta, Christopher Evenson, Daniel Pinkhas, Auroa Badin, Dilesh Patel, Michael K Essandoh, Hemant Godara, Jaret Tyler, Mahmoud Houmsse, Zhenguo Liu, Steven J Kalbfleisch, John D Hummel, Ralph Augostini, Raul Weiss, Emile G Daoud, Toshimasa Okabe
BACKGROUND: The perioperative anticoagulation management for subcutaneous implantable cardioverter defibrillator (S-ICD) is still evolving. OBJECTIVE: To assess whether it is safe to perform S-ICD implantation with uninterrupted warfarin. METHODS: This is a single-center retrospective review of patients undergoing S-ICD implantation during 10/2012 to 6/2017. The most common indication for the implantation was primary prevention of sudden cardiac death...
November 13, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29146274/effects-of-angiotensin-neprilysin-inhibition-as-compared-to-angiotensin-inhibition-on-ventricular-arrhythmias-in-reduced-ejection-fraction-patients-under-continuous-remote-monitoring-of-implantable-defibrillator-devices
#16
Carlos de Diego, Luis González-Torres, José María Núñez, Raúl Centurión Inda, David A Martin-Langerwerf, Antonio D Sangio, Piotr Chochowski, Pilar Casasnovas, Julio C Blazquéz, Jesús Almendral
BACKGROUND: Angiotensin-neprilysin inhibition as compared to angiotensin inhibition decreased sudden cardiac death in reduced ejection fraction heart failure (rEFHF). The precise mechanism remains unclear. OBJECTIVE: To explore the effect of angiotensin-neprilysin inhibition on ventricular arrhythmias as compared to angiotensin inhibition in rEFHF patients with an implantable cardiac defibrillator (ICD) and remote monitoring. METHODS: We prospectively included 120 patients with ICD and: 1) New York Heart Association functional class≥ II, 2) left ventricular ejection fraction (LVEF) ≤40%, 3) remote monitoring...
November 13, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29145393/estimating-the-probabilities-of-rare-arrhythmic-events-in-multiscale-computational-models-of-cardiac-cells-and-tissue
#17
Mark A Walker, Viatcheslav Gurev, John J Rice, Joseph L Greenstein, Raimond L Winslow
Ectopic heartbeats can trigger reentrant arrhythmias, leading to ventricular fibrillation and sudden cardiac death. Such events have been attributed to perturbed Ca2+ handling in cardiac myocytes leading to spontaneous Ca2+ release and delayed afterdepolarizations (DADs). However, the ways in which perturbation of specific molecular mechanisms alters the probability of ectopic beats is not understood. We present a multiscale model of cardiac tissue incorporating a biophysically detailed three-dimensional model of the ventricular myocyte...
November 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/29145303/epicardial-radiofrequency-catheter-ablation-of-brugada-syndrome-with-electrical-storm-during-ventricular-fibrillation-a-case-report
#18
Shufen Jiang, Xiaomeng Yin, Chang Dong, Yunlong Xia, Jinqiu Liu
RATIONALE: Brugada syndrome (BrS) is characterized by ST segment elevation at the J point ≥2 mm in the right precordial electrocardiogram (ECG) leads, in the absence of structural heart disease, electrolyte disturbances, or ischemia. It is a well-described cause of sudden death in young patients, especially in the age of between 30 and 40 years old. Here, we reported an unusual case of electrical storm (ES) of ventricular fibrillation (VF) caused by BrS with complete right bundle-branch block (CRBBB) in a 75-year-old male patient...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29143170/circumferential-strain-acquired-by-cmr-early-after-acute-myocardial-infarction-adds-incremental-predictive-value-to-late-gadolinium-enhancement-imaging-to-predict-late-myocardial-remodeling-and-subsequent-risk-of-sudden-cardiac-death
#19
Anthony A Holmes, Jorge Romero, Jeffrey M Levsky, Linda B Haramati, Newton Phuong, Leila Rezai-Gharai, Stuart Cohen, Lina Restrepo, Luis Ruiz-Guerrero, John D Fisher, Cynthia C Taub, Luigi Di Biase, Mario J Garcia
PURPOSE: Late adverse myocardial remodeling after acute myocardial infarction (AMI) is strongly associated with sudden cardiac death (SCD). Cardiac magnetic resonance (CMR) performed early after AMI can predict late remodeling and SCD risk with moderate accuracy. This study assessed the ability of CMR-measured circumferential strain (CS) to add incremental predictive information to late gadolinium enhancement (LGE). METHODS: Patients with an AMI and LVEF < 50% were screened for inclusion...
November 15, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29141592/case-report-electrical-storm-during-induced-hypothermia-in-a-patient-with-early-repolarization
#20
Patrick Badertscher, Michael Kuehne, Beat Schaer, Christian Sticherling, Stefan Osswald, Tobias Reichlin
BACKGROUND: Population based studies showed an association of early repolarization in the electrocardiogram (ECG) and a higher rate of sudden cardiac death presumably due to ventricular fibrillation. The triggers for ventricular fibrillation in patients with early repolarization are not fully understood. CASE PRESENTATION: We describe the case of a young patient with a survived ventricular fibrillation arrest while asleep followed by multiple episodes of recurrent ventricular fibrillation...
November 15, 2017: BMC Cardiovascular Disorders
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