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https://www.readbyqxmd.com/read/29154430/lower-than-expected-burden-of-premature-ventricular-contractions-impairs-myocardial-function
#1
Øyvind H Lie, Jørg Saberniak, Lars A Dejgaard, Mathis K Stokke, Finn Hegbom, Ole-Gunnar Anfinsen, Thor Edvardsen, Kristina H Haugaa
AIMS: We aimed to explore the burden of frequent premature ventricular contractions (PVCs) associated with myocardial dysfunction in patients with outflow tract arrhythmia (OTA). We hypothesized that this threshold is lower than the previously suggested threshold of 24 000 PVCs/24 h (24%PVC) when systolic function is assessed by strain echocardiography. Furthermore, we aimed to characterize OTA patients with malignant arrhythmic events. METHODS AND RESULTS: We included 52 patients referred for OTA ablation (46 ± 12 years, 58% female)...
November 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/29154379/proposed-in-training-electrocardiogram-interpretation-competencies-for-undergraduate-and-postgraduate-trainees
#2
Pavel Antiperovitch, Wojciech Zareba, Jonathan S Steinberg, Ljuba Bacharova, Larisa G Tereshchenko, Jeronimo Farre, Kjell Nikus, Takanori Ikeda, Adrian Baranchuk
Despite its importance in everyday clinical practice, the ability of physicians to interpret electrocardiograms (ECGs) is highly variable. ECG patterns are often misdiagnosed, and electrocardiographic emergencies are frequently missed, leading to adverse patient outcomes. Currently, many medical education programs lack an organized curriculum and competency assessment to ensure trainees master this essential skill. ECG patterns that were previously mentioned in literature were organized into groups from A to D based on their clinical importance and distributed among levels of training...
November 8, 2017: Journal of Hospital Medicine: An Official Publication of the Society of Hospital Medicine
https://www.readbyqxmd.com/read/29153151/what-is-the-best-st-segment-recovery-parameter-to-predict-clinical-outcome-and-myocardial-infarct-size-amplitude-speed-and-completeness-of-st-segment-recovery-after-primary-percutaneous-coronary-intervention-for-st-segment-elevation-myocardial-infarction
#3
Wichert J Kuijt, Cindy L Green, Niels J W Verouden, Joost D E Haeck, Dan Tzivoni, Karel T Koch, Gregg W Stone, Alexandra J Lansky, Samuel Broderick, Jan G P Tijssen, Robbert J de Winter, Matthew T Roe, Mitchell W Krucoff
AIMS: ST-segment recovery (STR) is a strong mechanistic correlate of infarct size (IS) and outcome in ST-segment elevation myocardial infarction (STEMI). Characterizing measures of speed, amplitude, and completeness of STR may extend the use of this noninvasive biomarker. METHODS AND RESULTS: Core laboratory continuous 24-h 12-lead Holter ECG monitoring, IS by single-photon emission computed tomography (SPECT), and 30-day mortality of 2 clinical trials of primary percutaneous coronary intervention in STEMI were combined...
November 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29146875/risk-of-stroke-in-patients-with-short-run-atrial-tachyarrhythmia
#4
Shinya Yamada, Chin-Yu Lin, Shih-Lin Chang, Tze-Fan Chao, Yenn-Jiang Lin, Li-Wei Lo, Fa-Po Chung, Yu-Feng Hu, Ta-Chuan Tuan, Jo-Nan Liao, Abigail Louise D Te, Yao-Ting Chang, Ting-Yung Chang, Cheng-I Wu, Satoshi Higa, Shih-Ann Chen
BACKGROUND AND PURPOSE: The risk of stroke in patients with short-run atrial tachyarrhythmia (AT) remains unclear. This study aimed to investigate the relationship between short-run AT and the stroke and the use of the CHA2DS2-VASc score for the risk stratification. METHODS: From the registry of 24-hour Holter monitoring, 5342 subjects without known atrial fibrillation or stroke were enrolled. Short-run AT was defined as episodes of supraventricular ectopic beats <5 seconds...
November 16, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29146378/association-of-p-wave-duration-index-with-atrial-fibrillation-recurrence-after-cryoballoon-catheter-ablation
#5
Onur Kaypakli, Hasan Koca, Durmuş Yıldıray Şahin, Sefa Okar, Fadime Karataş, Mevlüt Koç
AIM: We aimed to investigate the relationship between the recurrence of AF and P wave duration index (PWDI) in patients with nonvalvular PAF. METHODS: We included 114 patients who underwent cryoballoon catheter ablation with the diagnosis of paroxysmal atrial fibrillation (PAF) (55 male, 59 female; mean age 55.5±10,9years). PWDI was calculated by dividing the Pwd by the PR interval in DII lead of 12‑lead ECG. Patients had regular follow-up visits with 12-lead ECG, medical history and clinical evaluation...
October 9, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29144513/predictors-of-heart-rhythm-disturbances-in-hypertensive-obese-patients-with-obstructive-sleep-apnea
#6
Lyudmila Sergeevna Korostovtseva, Nadezhda Edvinovna Zvartau, Oxana Petrovna Rotar, Yurii Vladimirovich Sviryaev, Aleksandra Olegovna Konradi
Objective: To assess the incidence and predictors of heart rhythm and conduction disturbances in hypertensive obese patients with and without obstructive sleep apnea (OSA). Methods: This is an open, cohort, prospective study. Out of 493 screened patients, we selected 279 hypertensive, obese individuals without severe concomitant diseases: 75 patients without sleep-disordered breathing (non-SDB group), and 204 patients with OSA (OSA group). At baseline, all patients underwent examination, including ECG, Holter ECG monitoring, and sleep study...
September 2017: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/29137013/combination-of-ewing-test-heart-rate-variability-and-heart-rate-turbulence-analysis-for-early-diagnosis-of-diabetic-cardiac-autonomic-neuropathy
#7
Kun Lin, Liling Wei, Zhihua Huang, Qiong Zeng
The aim of this study was to compare and analyze Ewing test, heart rate variability (HRV), and heart rate turbulence (HRT) in the diagnosis of cardiac autonomic neuropathy (CAN) in diabetic patients.Ninety diabetic patients (age 18-78) and 20 nondiabetic control subjects were studied. Standard Ewing test and 24-hour Holter was performed in all participants to evaluate CAN. Patients with Ewing score ≥2 were classified as CAN+.The rate of CAN+ in diabetic patients [44.4% (40/90)] was higher than that in the controls [5% (1/20)] (P < ...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29134307/objective-evaluation-of-gastroesophageal-reflux-disease-in-patients-with-paroxysmal-atrial-fibrillation
#8
Enia Lucia Coutinho, Fernando A M Herbella, Carlos Alexandre Volponi Lovato, Marco G Patti, Francisco Schlottmann, Angelo Amato Vincenzo de Paola
BACKGROUND: Atrial fibrillation (AF) is the most common cardiac arrhythmia. Some evidence shows that gastroesophageal reflux disease (GERD) may be a trigger for paroxysmal AF (PAF). Most of the previous studies that correlated GERD and AF used questionnaires to diagnose GERD, not an objective evaluation. This study aims to evaluate in patients with PAF: (a) accuracy of symptoms to diagnose GERD; (b) prevalence of GERD; and (c) temporal correlation between cardiac arrhythmia and reflux...
November 13, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/29133066/-qtc-interval-in-the-neonatal-period-in-a-mexican-population-a-pilot-study
#9
Rocio Alejandra Peña-Juárez, Adrián Garcia-Canales, Luis Martin Garrido-García, Cesar Augusto Valerio-Carballo
INTRODUCTION: QT interval prolongation is associated with ventricular arrhythmias and sudden death syndrome. OBJECTIVE: To determine the value of QTc interval in healthy newborns in a general hospital in Jalisco, Mexico, and their outcome during their first months of life. METHODS: The study included healthy newborns from March to November 2016, in the Hospital General of Occidente in Jalisco, Mexico. A 12-lead electrocardiogram was performed at a speed of 25mm/s during the first 48h of life...
November 10, 2017: Archivos de Cardiología de México
https://www.readbyqxmd.com/read/29132262/diastolic-dysfunction-is-common-in-survivors-of-pediatric-differentiated-thyroid-carcinoma
#10
Mariëlle Sanne Klein Hesselink, Gianni Bocca, Yoran M Hummel, Adrienne H Brouwers, Johannes G M Burgerhof, Eveline W C M van Dam, Jourik A Gietema, Bas Havekes, Marry M van den Heuvel-Eibrink, Eleonora P M Corssmit, Leontien Kremer, Romana Netea-Maier, Helena J H van der Pal, Robin Peeters, John Th M Plukker, Cécile M Ronckers, Hanneke M van Santen, Peter van der Meer, Thera P Links, Wim J E Tissing
INTRODUCTION: Whether pediatric patients with differentiated thyroid carcinoma (DTC) are at risk of developing treatment-related adverse effects on cardiac function is unknown. We therefore studied in long-term survivors of pediatric DTC the prevalence of cardiac dysfunction and atrial fibrillation (AF) in relation to treatment variables, and the association between cardiac dysfunction and plasma biomarkers. PATIENTS AND METHODS: In this nationwide prospective multicenter study, cardiac assessments were performed in 66 adult survivors of pediatric DTC (age at diagnosis ≤18 years and follow-up ≥5 years after diagnosis) treated in The Netherlands between 1970 and 2009...
November 13, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29129560/the-role-of-holter-monitoring-in-the-diagnosis-of-early-repolarisation-pattern
#11
Cheng-Cheng Ji, Xu-Miao Chen, Yun-Jiu Cheng, Li-Juan Liu, Kai Tang, Wei-Qi Zhu, Ying Huang, Wei-Ying Chen, Wei-Ying Chen, Su-Hua Wu
BACKGROUND: A slower heart rate can exaggerate J-point elevation in a 12-lead ECG. This study examined the role of Holter monitoring in the diagnosis of early repolarisation pattern (ERP). METHODS: We examined 24-hour Holter recordings of 4000 consecutive patients seen at an outpatient clinic, and found 500 patients (12.5%) with ERP (based on J-point elevation magnitude maximum value≥0.1mV on the Holter recording). The highest magnitude of J-point elevation, R wave amplitude, the ratio between J-point elevation magnitude and R-wave amplitude on the same ECG lead (J/R ratio), QRS interval, and QT/QTc interval were measured on the Holter recording and on a surface 12-lead ECG of the 500 patients with ERP...
October 20, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/29129350/evaluation-of-ecg-algorithms-designed-to-improve-detect-of-transient-myocardial-ischemia-to-minimize-false-alarms-in-patients-with-suspected-acute-coronary-syndrome
#12
Michele M Pelter, Yuan Xu, Richard Fidler, Ran Xiao, David W Mortara, Hu Xiao
BACKGROUND: Patients hospitalized for suspected acute coronary syndrome (ACS) are at risk for transient myocardial ischemia. During the "rule-out" phase, continuous ECG ST-segment monitoring can identify transient myocardial ischemia, even when asymptomatic. However, current ST-segment monitoring software is vastly underutilized due to false positive alarms, with resultant alarm fatigue. Current ST algorithms may contribute to alarm fatigue because; (1) they are not designed with a delay (minutes), rather alarm to brief spikes (i...
October 24, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/29127856/acute-and-long-term-effects-of-fingolimod-on-heart-rhythm-and-heart-rate-variability-in-patients-with-multiple-sclerosis
#13
Ruken Özge Akbulak, Sina C Rosenkranz, Benjamin N Schaeffer, Hans O Pinnschmidt, Stephan Willems, Christoph Heesen, Boris A Hoffmann
BACKGROUND: Fingolimod can lead to increased risk of cardiac events such as bradycardia or atrioventricular (AV) block. OBJECTIVE: Evaluate acute and long-term effects of fingolimod on heart rhythm (HR), heart rate variability (HRV) and development of AV-blocks. METHODS: In 64 patients with relapsing-remitting multiple sclerosis Holter ECG monitoring (HEM) and HRV analysis were performed 24h before, six h during and 72h after initiation of fingolimod...
November 2, 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29127646/can-we-spice-up-our-christmas-dinner-busting-the-myth-of-the-chinese-restaurant-syndrome
#14
N W E van den Berg, J Neefs, W R Berger, S W E Baalman, E Meulendijks, M Kawasaki, E M Kemper, F R Piersma, M W Veldkamp, R Wesselink, S P J Krul, J R de Groot
BACKGROUND: Monosodium glutamate (MSG), also referred to as Vetsin or E621, is a flavour enhancer frequently used in Asian cuisine and abundantly present in the famous Chinese dish Peking duck. MSG is notorious for triggering the onset of the so-called 'Chinese restaurant syndrome' (CRS), a complex of unpleasant symptoms, which might include flushing, sweating and the onset of atrial fibrillation (AF). This study aims to determine the effects of MSG on the occurrence of AF. METHODS: We conducted a placebo self-controlled single-arm study in the Academic Medical Centre in Amsterdam...
December 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/29109047/bioavailability-and-cardiovascular-effects-of-adrenaline-administered-by-anapen-autoinjector-in-healthy-volunteers
#15
Thierry Duvauchelle, Philippe Robert, Yves Donazzolo, Sabrina Loyau, Bernard Orlandini, Philippe Lehert, Jeanne-Marie Lecomte, Jean-Charles Schwartz
BACKGROUND: The administration of adrenaline is a life-saving intervention for anaphylactic reactions. However, it has been questioned whether the needle length of the autoinjectors is sufficient to achieve genuine intramuscular delivery and optimal bioavailability. OBJECTIVE: To assess the adequacy of Anapen, which has a relatively short needle length (10.5 mm), through a comparison of the depot localization, plasma pharmacokinetics, and cardiovascular responses of adrenaline delivered via Anapen versus a prefilled syringe with a 25...
November 3, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/29107360/yield-of-atrial-fibrillation-detection-with-textile-wearable-holter-from-the-acute-phase-of-stroke-pilot-study-of-crypto-af-registry
#16
Jorge Pagola, Jesus Juega, Jaume Francisco-Pascual, Angel Moya, Mireia Sanchis, Alejandro Bustamante, Anna Penalba, Maria Usero, Elisa Cortijo, Juan F Arenillas, Ana I Calleja, Maria Sandin-Fuentes, Jeronimo Rubio, Fernando Mancha, Irene Escudero-Martinez, Francisco Moniche, Reyes de Torres, Soledad Pérez-Sánchez, Carlos E González-Matos, Ángela Vega, Alonso A Pedrote, Eduardo Arana-Rueda, Joan Montaner, Carlos A Molina
BACKGROUND: We describe the feasibility of monitoring with a Textile Wearable Holter (TWH) in patients included in Crypto AF registry. METHODS: We monitored cryptogenic stroke patients from stroke onset (<3days) continuously during 28days. We employed a TWH composed by a garment and a recorder. We compared two garments (Lead and Vest) to assess rate of undiagnosed Atrial Fibrillation (AF) detection, monitoring compliance, comfortability (1 to 5 points), skin lesions, and time analyzed...
October 22, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/29106527/bedside-autonomic-risk-stratification-after-myocardial-infarction-by-means-of-short-term-deceleration-capacity-of-heart-rate
#17
Konstantinos D Rizas, Christian Eick, Angela J Doller, Wolfgang Hamm, Lukas von Stuelpnagel, Christine S Zuern, Petra Barthel, Georg Schmidt, Axel Bauer
Aims: Twenty-four-hour deceleration capacity (DC24h) of heart rate is a strong predictor of mortality after myocardial infarction (MI). Assessment of DC from short-term recordings (DCst) would be of practical use in everyday clinical practice but its predictive value is unknown. Here, we test the usefulness of DCst for autonomic bedside risk stratification after MI. Methods and results: We included 908 patients after acute MI enrolled in Munich and 478 patients with acute (n = 232) and chronic MI (n = 246) enrolled in Tuebingen, both in Germany...
June 30, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29099704/diagnostic-value-of-moderate-dilatation-of-the-left-ventricle-in-asymptomatic-silent-ischemia
#18
S Zeikidze
Goal of the study - defining of diagnostic and prognostic values of the moderate dilatation of the left ventricle in theasymptomatic (Silent) ischemia. The report was based on the investigation results of 185 patients, aged 35-55, who did not have typical stenocardia pain. Out of the given contingent, 117 patients who had the mild and moderate dilatation of the left ventricle were united under the name of moderate dilatation group. Another group of 68 patients, who did not have this pathology, was used as a control group...
October 2017: Georgian Medical News
https://www.readbyqxmd.com/read/29096627/a-28-day-randomized-double-blind-placebo-controlled-parallel-group-study-of-nebulized-revefenacin-in-patients-with-chronic-obstructive-pulmonary-disease
#19
Krishna K Pudi, Chris N Barnes, Edmund J Moran, Brett Haumann, Edward Kerwin
BACKGROUND: Revefenacin is a once-daily long-acting muscarinic antagonist (LAMA) in clinical development for the treatment of patients with chronic obstructive pulmonary disease (COPD). In a dose-ranging study, nebulized once-daily revefenacin had a long duration of action in patients after 7 days' administration of doses up to 700 μg. In this multiple-dose study, the bronchodilation efficacy and adverse events profile were characterized in patients administered nebulized revefenacin once daily for 28 days...
November 2, 2017: Respiratory Research
https://www.readbyqxmd.com/read/29095976/lamin-a-c-cardiomyopathy-young-onset-high-penetrance-and-frequent-need-for-heart-transplantation
#20
Nina Eide Hasselberg, Trine Fink Haland, Jørg Saberniak, Pål Haugar Brekke, Knut Erik Berge, Trond Paul Leren, Thor Edvardsen, Kristina Hermann Haugaa
Aims: Lamin A/C (LMNA) mutations cause familial dilated cardiomyopathy (DCM) with frequent conduction blocks and arrhythmias. We explored the prevalence, cardiac penetrance, and expressivity of LMNA mutations among familial DCM in Norway. Furthermore, we explored the risk factors and the outcomes in LMNA patients. Methods and results: During 2003-15, genetic testing was performed in patients referred for familial DCM. LMNA genotype-positive subjects were examined by electrocardiography, Holter monitoring, cardiac magnetic resonance imaging, and echocardiography...
October 31, 2017: European Heart Journal
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