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Holter monitoring

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https://www.readbyqxmd.com/read/29784482/role-of-surface-electrocardiograms-in-patients-with-cardiac-implantable-electronic-devices
#1
REVIEW
Emanuela T Locati, Giuseppe Bagliani, Alessio Testoni, Maurizio Lunati, Luigi Padeletti
Surface electrocardiograms, both resting 12-lead electrocardiographs and ambulatory electrocardiograph monitoring, play an essential role in establishing indications for cardiac implantable electronic devices (pacemakers, cardiac implantable defibrillators, and cardiac resynchronization therapies), and in the evaluation of patients already implanted. Current devices have prolonged memory capabilities (defined as Holter functions) and remote monitoring functions, to evaluate the electrical properties and the automatic detection of arrhythmias...
June 2018: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/29782639/sudden-cardiac-death-in-athletes-and-the-value-of-cardiovascular-magnetic-resonance
#2
REVIEW
Sophie I Mavrogeni, Flora Bacopoulou, Despoina Apostolaki, George P Chrousos
Sudden cardiac death (SCD) is the non-traumatic death, due to loss of heart function that occurs suddenly and unexpectedly within 6 hours of a previously normal state of health. It is related to intense competitive sports promoting ventricular tachycardia (VT)/ventricular fibrillation (VF) in the presence of underlying abnormal substrate. A serial evaluation of cardiac physiologic changes taking place during training will allow the better understanding of athlete's heart and will facilitate its discrimination from other gray-zone cardiomyopathies...
May 21, 2018: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29779501/marine-n-3-pufa-heart-rate-variability-and-ventricular-arrhythmias-in-patients-on-chronic-dialysis-a-cross-sectional-study
#3
Jesper M Rantanen, Erik B Schmidt, Sam Riahi, Søren Lundbye-Christensen, Jeppe H Christensen
Marine n-3 PUFA may improve autonomic dysfunction by an increase in heart rate variability (HRV) and may reduce the risk of malignant ventricular arrhythmias. Only a few smaller studies have examined such effects in patients on chronic dialysis, who often have autonomic dysfunction and a high risk of sudden cardiac death, which accounts for almost 30 % of all deaths. This cross-sectional study investigated the association between the plasma phospholipid content of n-3 PUFA and 24-h HRV or ventricular arrhythmias in patients on chronic dialysis...
May 21, 2018: British Journal of Nutrition
https://www.readbyqxmd.com/read/29777559/utility-of-heart-rate-turbulence-and-t-wave-alternans-to-assess-risk-for-re-admission-and-cardiac-death-in-hospitalized-heart-failure-patients
#4
Shinya Yamada, Akiomi Yoshihisa, Yu Sato, Takamasa Sato, Masashi Kamioka, Takashi Kaneshiro, Masayoshi Oikawa, Atsushi Kobayashi, Hitoshi Suzuki, Takafumi Ishida, Yasuchika Takeishi
BACKGROUND: Heart failure (HF) patients have a higher risk of recurrent HF and cardiac death, and electrical remodeling is considered to be an important factor for HF progression. The present study aimed to validate the utility of electrocardiogram and Holter monitoring for the risk stratification of HF patients. METHODS: Our study comprised 215 patients (144 males, mean age 62 years) who had been hospitalized due to acute decompensated HF. Electrocardiogram (QRS duration and QTc interval) and 24-hour Holter monitoring (heart rate variability, heart rate turbulence and T-wave alternans [TWA]) were performed in stable condition before discharge...
May 18, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29759838/detection-of-subclinical-atrial-fibrillation-in-high-risk-patients-using-an-insertable-cardiac-monitor
#5
Tine J Philippsen, Lene S Christensen, Michael G Hansen, Jordi S Dahl, Axel Brandes
OBJECTIVES: The study sought to determine the incidence of subclinical atrial fibrillation (AF) in high-risk patients and to compare the effect of continuous versus intermittent monitoring. BACKGROUND: AF often occurs in a subclinical form, which makes it difficult to detect. The authors do not know the incidence of subclinical AF among patients ≥65 years of age with hypertension and diabetes mellitus. This group of patients has increased risk of developing AF and in addition a high thromboembolic risk, if AF is present...
December 26, 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759719/atrial-ganglionated-plexus-modification-a-novel-approach-to-treat-symptomatic-sinus-bradycardia
#6
Mu Qin, Yu Zhang, Xu Liu, Wei-Feng Jiang, Shao-Hui Wu, Sunny Po
OBJECTIVES: This study sought to determine if anatomic atrial ganglionated plexus (GP) ablation leads to long-term sinus rate (SR) increase and improves quality of life in patients with symptomatic sinus bradycardia (SB). BACKGROUND: Atrial GP ablation has been demonstrated to increase SR in our previous study. Atrial GP ablation may also be effective in treating patients with symptomatic SB. METHODS: Sixty-two patients with symptomatic SB were recruited: Group A included patients <50 years of age (n = 40); Group B included patients ≥50 years of age (n = 22)...
September 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759629/circadian-variation-of-ventricular-arrhythmias-in-catecholaminergic-polymorphic-ventricular-tachycardia
#7
Christina Y Miyake, S Yukiko Asaki, Gregory Webster, Richard J Czosek, Joseph Atallah, Kishor Avasarala, Sri O Rao, Patricia E Thomas, Jeffrey J Kim, Santiago O Valdes, Caridad de la Uz, Yunfei Wang, Xander H T Wehrens, Dominic Abrams
OBJECTIVES: The aim of this paper was to investigate whether ventricular arrhythmias in children with catecholaminergic polymorphic ventricular tachycardia (CPVT) show circadian patterns. BACKGROUND: Circadian arrhythmic patterns have been established in long QT, Brugada, and early repolarization, but have not been investigated in CPVT. METHODS: This is a multicenter, retrospective review of pediatric CPVT patients, age <21 years at diagnosis...
November 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759429/defining-blanking-period-post-pulmonary-vein-antrum-isolation
#8
Pouria Alipour, Zahra Azizi, Meysam Pirbaglou, Paul Ritvo, Alfredo Pantano, Atul Verma, Yaariv Khaykin
OBJECTIVES: This study sought to determine the exact period after pulmonary vein antrum isolation (PVI) during which early recurrence of atrial tachyarrhythmia (ERAT) does not predict late arrhythmia recurrence (LR), in order to better define the blanking period. BACKGROUND: Recurrence of atrial fibrillation after PVI is not uncommon. The first 3 months after PVI have been commonly treated as a blanking period, during which ERAT is not thought to predict LR after PVI; however, recent studies have shown that ERAT does predict LR...
June 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29755837/chagasic-cardiomyopathy-and-pompe-disease-case-report
#9
Rafael Ob de Morais, Ândrea V Chaves-Markman, Anna Pp Miranda, Ingrid G Amorim, Maria da Ga de M Cavalcanti, Manuel Markman, Brivaldo Markman-Filho
BACKGROUND: Pompe disease is a lysosomal storage disease with an autosomal recessive inheritance characterized by an insufficient activity of the acid alpha-glucosidase enzyme. The incidence varies from 1:40000 to 1:200000 live births and cardiac involvement in adults is rare. Chagas disease is an infection caused by the protozoan Trypanosoma cruzi, in which one-third of the cases progress to the chronic form, and may lead to cardiac involvement, usually from the fifth decade of life onwards...
2018: American Journal of Cardiovascular Disease
https://www.readbyqxmd.com/read/29754661/catheter-ablation-versus-antiarrhythmic-drug-therapy-for-atrial-fibrillation-cabana-trial-study-rationale-and-design
#10
Douglas L Packer, Daniel B Mark, Richard A Robb, Kristi H Monahan, Tristram D Bahnson, Kathleen Moretz, Jeanne E Poole, Alice Mascette, Yves Rosenberg, Neal Jeffries, Hussein R Al-Khalidi, Kerry L Lee
The Catheter Ablation Versus Anti-arrhythmic Drug Therapy for Atrial Fibrillation (CABANA,NCT00911508)(1) trial is testing the hypothesis that the treatment strategy of percutaneous left atrial catheter ablation for the purpose of eliminating atrial fibrillation (AF) is superior to current state-of-the-art pharmacologic therapy. This international 140-center clinical trial was designed to randomize 2200 patients to a strategy of catheter ablation versus state-of-the-art rate or rhythm control drug therapy. Inclusion criteria include: 1) age> 65, or ≤65 with≥ 1 risk factor for stroke, 2) documented AF warranting treatment, and 3) eligibility for both catheter ablation and≥ 2 anti-arrhythmic or≥ 2 rate control drugs...
May 2018: American Heart Journal
https://www.readbyqxmd.com/read/29752376/effects-of-prolonged-spaceflight-on-atrial-size-atrial-electrophysiology-and-risk-of-atrial-fibrillation
#11
Htet W Khine, Katarina Steding-Ehrenborg, Jeffrey L Hastings, Jamie Kowal, James D Daniels, Richard L Page, Jeffery J Goldberger, Jason Ng, Beverley Adams-Huet, Michael W Bungo, Benjamin D Levine
BACKGROUND: The prevalence of atrial fibrillation (AF) in active astronauts is ≈5%, similar to the general population but at a younger age. Risk factors for AF include left atrial enlargement, increased number of premature atrial complexes, and certain parameters on signal-averaged electrocardiography, such as P-wave duration, root mean square voltage for the terminal 20 ms of the signal-averaged P wave, and P-wave amplitude. We aimed to evaluate changes in atrial structure, supraventricular beats, and atrial electrophysiology to determine whether spaceflight could increase the risk of AF...
May 2018: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/29746310/beneficial-response-of-blood-pressure-to-short-term-continuous-positive-airway-pressure-in-chinese-patients-with-obstructive-sleep-apnea-hypopnea-syndrome
#12
Xiao Wang, Jian Qiu, Yufeng Wang, Zechuan Cai, Xiaoxia Lu, Taoping Li
BACKGROUND: Obstructive sleep apnea-hypopnea syndrome (OSAHS) is common in people with hypertension and cardiac rhythm disorder. The objectives of this study were to determine the effect of short-term continuous positive airway pressure (CPAP) on blood pressure (BP) and cardiac rhythm in Chinese patients with moderate to severe OSAHS. PATIENTS AND METHODS: Eligible patients in the two hospitals were consecutively enrolled into the prospective study. Ambulatory BP monitoring and Holter monitoring were both performed for 24 h in 214 patients who previously encountered a full night polysomnography...
May 9, 2018: Blood Pressure Monitoring
https://www.readbyqxmd.com/read/29745596/-extraction-and-recognition-of-attractors-in-three-dimensional-lorenz-plot
#13
Min Hu, Chengfan Jang, Suxia Wang
Lorenz plot (LP) method which gives a global view of long-time electrocardiogram signals, is an efficient simple visualization tool to analyze cardiac arrhythmias, and the morphologies and positions of the extracted attractors may reveal the underlying mechanisms of the onset and termination of arrhythmias. But automatic diagnosis is still impossible because it is lack of the method of extracting attractors by now. We presented here a methodology of attractor extraction and recognition based upon homogeneously statistical properties of the location parameters of scatter points in three dimensional LP (3DLP), which was constructed by three successive RR intervals as X , Y and Z axis in Cartesian coordinate system...
February 1, 2018: Sheng Wu Yi Xue Gong Cheng Xue za Zhi, Journal of Biomedical Engineering, Shengwu Yixue Gongchengxue Zazhi
https://www.readbyqxmd.com/read/29741689/cryoballoon-ablation-in-the-elderly-one-year-outcome-and-safety-of-the-second-generation-28mm-cryoballoon-in-patients-over-75-years-old
#14
Verena Tscholl, Tina Lin, Abdullah Khaled-A Lsharaf, Barbara Bellmann, Patrick Nagel, Klaus Lenz, Ulf Landmesser, Mattias Roser, Andreas Rillig
Aims: The efficacy of the second-generation cryoballoon (CB) ablation in patients with atrial fibrillation (AF) has been demonstrated previously. Data on the efficacy of CB ablation in elderly patients is missing. The aim of this study was to evaluate the long-term success rate of pulmonary vein isolation (PVI) in patients ≥75 years vs. <75 years using the second-generation 28mm CB. Methods and results: Eighty patients [n = 40 ≥75 years (Group 1); n = 40 <75 years (Group 2)] with paroxysmal [n = 37 (46%) or persistent (n = 43 (54%)] AF were included...
May 1, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29736793/a-novel-imaging-finding-in-williams-syndrome-the-coral-sign
#15
Jeremy R Burt, Kimberly Beavers, Melissa Kendall, Michael Valente, Jorge A Garcia
A 16-year-old female, with a history of Williams syndrome, presented to our institution with a 2-week history of intermittent dizziness. Holter monitoring demonstrated occasional premature ventricular contractions with rare couplets and triplets as well as one short run of nonsustained ventricular tachycardia. Echocardiography revealed an abnormal and irregular left ventricular septum with multiple mobile, pedunculated muscular projections extending into the left ventricular cavity. Cardiac MR confirmed abnormally thickened trabeculations consisting of multiple parallel ridges of myocardium crossing the left ventricle...
May 7, 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29735633/atrial-fibrillation-detection-during-24-hour-ambulatory-blood-pressure-monitoring-comparison-with-24-hour-electrocardiography
#16
Anastasios Kollias, Antonios Destounis, Petros Kalogeropoulos, Konstantinos G Kyriakoulis, Angeliki Ntineri, George S Stergiou
This study assessed the diagnostic accuracy of a novel 24-hour ambulatory blood pressure (ABP) monitor (Microlife WatchBP O3 Afib) with implemented algorithm for automated atrial fibrillation (AF) detection during each ABP measurement. One hundred subjects (mean age 70.6±8.2 [SD] years; men 53%; hypertensives 85%; 17 with permanent AF; 4 paroxysmal AF; and 79 non-AF) had simultaneous 24-hour ABP monitoring and 24-hour Holter monitoring. Among a total of 6410 valid ABP readings, 1091 (17%) were taken in ECG AF rhythm...
May 7, 2018: Hypertension
https://www.readbyqxmd.com/read/29732035/can-chronotropic-incompetence-predict-life-threatening-ventricular-arrhythmias-in-patients-with-stable-ischemic-heart-disease
#17
Yelena Rib, Gulnar Zhussupova, Gaukhar Igimbayeva, Ayan Abdrakhmanov, Seyed Farzad Jalali
Background: Chronotropic incompetence has prognostic value of all-cause and cardiovascular mortality in both patients with asymptomatic and symptomatic ischemic heart disease (IHD), regardless of traditional risk factors. The aim of this study was to investigate the relationship between chronotropic response during exercise test and the development of ventricular arrhythmias. Methods: 153 patients with stable ischemic heart disease were screened and observed during the 24 months since October 2014 in a university hospital in Astana Kazakhstan...
2018: Caspian Journal of Internal Medicine
https://www.readbyqxmd.com/read/29731788/the-first-case-of-the-reveal-linq%C3%A2-insertable-cardiac-monitor-implanted-in-a-child-in-malta
#18
A Aquilina, O Aquilina, M Sammut, V Grech
Background: The Reveal LINQ™Insertable Cardiac Monitor (ICM) or Implantable Loop recorder (ILR), is a miniaturized, subcutaneous, single lead, electrocardiographic monitoring device which has been extensively used in the differential diagnosis of unexplained syncope and palpitations in adults. Patient Description: We describe an asymptomatic 20-month-old boy, noted to have incidental bradycardia on routine examination and in whom Holter monitoring revealed complete heart block (CHB)...
October 2017: Images in Paediatric Cardiology
https://www.readbyqxmd.com/read/29730688/the-value-of-global-longitudinal-strain-and-galectin-3-for-predicting-cardiovascular-events-in-patients-with-severe-aortic-stenosis
#19
Lucia Agoston-Coldea, Kunal Bheecarry, Cristian Petra, Lelia Strambu, Camelia Ober, Radu Revnic, Silvia Lupu, Teodora Mocan, Daniela Fodor
AIMS: Left ventricular global longitudinal strain (GLS) was shown to predict outcomes after valve replacement in patients with aortic stenosis (AS). In the current study, we aimed to test the combined use of GLS and a marker of fibrosis - Galectin-3 - for predicting major cardiovascular adverse events (MACEs) in patients with severe AS. MATERIALS AND METHODS: We conducted a prospective study on 42 patients with severe AS and 42 volunteers. Patient evaluation included biochemistry tests, electrocardiogram, 24-hour Holter monitoring, the 6-minute walk test, and echocardiography...
May 2, 2018: Medical Ultrasonography
https://www.readbyqxmd.com/read/29724227/mobile-gpu-based-implementation-of-automatic-analysis-method-for-long-term-ecg
#20
Xiaomao Fan, Qihang Yao, Ye Li, Runge Chen, Yunpeng Cai
BACKGROUND: Long-term electrocardiogram (ECG) is one of the important diagnostic assistant approaches in capturing intermittent cardiac arrhythmias. Combination of miniaturized wearable holters and healthcare platforms enable people to have their cardiac condition monitored at home. The high computational burden created by concurrent processing of numerous holter data poses a serious challenge to the healthcare platform. An alternative solution is to shift the analysis tasks from healthcare platforms to the mobile computing devices...
May 3, 2018: Biomedical Engineering Online
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