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J Community Hosp Intern Med Perspect 2022 31;12(1):104-107. Epub 2022 Jan 31.

Department of Cardiology, St. Joseph's Medical Center, Paterson, NJ - 07503, USA.

Wolf-Parkinson-White (WPW) syndrome is a congenital heart condition in which the atrioventricular (AV) node is bypassed by an accessory pathway that connects the atria and ventricle directly. WPW syndrome in patients with a history of peripartum cardiomyopathy (pregnancy-related cardiomyopathy) is associated with a high risk of morbidity and mortality secondary to failure of the pump and the conduction system of the heart. Management of these cases deals with arrhythmia and systolic heart failure, which becomes more challenging in pregnant patients as it requires treatment methods that minimize risks to the fetus. Read More

J Cardiovasc Electrophysiol 2022 Jun 16. Epub 2022 Jun 16.

Dept of Cardiology, RTIICS, Kolkata, India.

We truly appreciate the deep interest and scientific disagreement raised by Garry et al. on our article. We would like to clarify the issues raised point-by-point This article is protected by copyright. Read More

J Cardiovasc Electrophysiol 2022 Jun 13. Epub 2022 Jun 13.

Division of Cardiac Surgery, Feinberg School of Medicine, and the Bluhm Cardiovascular Institute, Northwestern University, Chicago, Illinois, USA.

Introduction: The notion that medically-refractory arrhythmias might one day be amenable to interventional therapy slowly began to appear in the early 1960's. At that time, there were no "interventional electrophysiologists" or "arrhythmia surgeons" and there was little appreciation of the relationship between anatomy and electrophysiology outside the heart's specialized conduction system.

Methods: In this review, we describe the evolution of collaboration between electrophysiologists and surgeons. Read More

Front Cardiovasc Med 2022 20;9:930230. Epub 2022 May 20.

Department of Clinical Research, Federal University of Uberlandia, Uberlândia, Brazil.

J Innov Card Rhythm Manag 2022 Apr 15;13(4):4955-4959. Epub 2022 Apr 15.

Department of Cardiology, Medica Superspeciality, Kolkata, India.

In the background of an accessory pathway (AP), the H-V interval can vary during atrial/coronary sinus pacing, but only with a concomitant change in the QRS morphology and the degree of pre-excitation. In an interesting case of a 62-year-old woman, the H-V interval varied during coronary sinus pacing despite a fixed pre-excitation. This appears to have happened due to infra-Hisian complete atrioventricular dissociation, which resulted from iatrogenic mechanical bumping of the left anterior fascicle in the background of right bundle branch block and left posterior hemiblock. Read More

Am J Crit Care 2022 May;31(3):255-256

Michele M. Pelter is an associate professor in the Department of Physiological Nursing at University of California, San Francisco, California.

Dis Mon 2022 Apr 18:101370. Epub 2022 Apr 18.

All India Institute of Medical Sciences, Bhubaneswar, India.

Clin Case Rep 2022 Apr 18;10(4):e05743. Epub 2022 Apr 18.

Cardiovascular research center Shahid Beheshti University of medical sciences Tehran Iran.

Congenital right atrial aneurysms (RAA) have a wide range of clinical presentations and leads to various complications. Depending on the initial presentation and associated complications, a conservative or surgical approach may be considered. A patient suffering from a giant RAA associated with the Wolff-Parkinson-White syndrome, who underwent successful surgical treatment, is presented here. Read More

Ann Noninvasive Electrocardiol 2022 Apr 16:e12959. Epub 2022 Apr 16.

Department of Electrocardiography, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China.

One-to-one atrioventricular conduction during atrial flutter is one of the most severe life-threatening arrhythmias and is hemodynamically perilous. Rapid wide QRS tachycardia often not only occurs in patients with ventricular tachycardia but is also found in supraventricular tachycardia/atrial flutter with preexistent QRS prolongation, supraventricular tachycardia/atrial flutter with QRS prolongation caused by an IC antiarrhythmic drug, and supraventricular tachycardia/atrial flutter with preexcitation. Furthermore, atrial flutter with 1:1 AVC via an accessory pathway is an uncommon presentation of Wolff-Parkinson-White syndrome. Read More

Case Rep Vasc Med 2022 4;2022:8343943. Epub 2022 Apr 4.

Hanoi Heart Hospital, Hanoi Medical University, Vietnam.

Ebstein anomaly (EA) results from the failure of proper delamination of the tricuspid valve leaflets from the right ventricle (RV) myocardium. The severity of EA occurs on a spectrum that results in varying degrees of tricuspid regurgitation, atrial dilation, RV dilation, and dysfunction. These effects have the potential to create substrates that can give rise to atrial arrhythmia, ventricular arrhythmia, and a greater incidence of Wolff-Parkinson-White (WPW) syndrome Wackel et al. Read More

Cureus 2022 Mar 1;14(3):e22731. Epub 2022 Mar 1.

Obstetrics and Gynecology, Hospital Nacional San Rafael, Santa Tecla, SLV.

Wolff-Parkinson-White (WPW) syndrome is rare and is characterized by an accessory pathway that predisposes patients to tachyarrhythmias and sudden cardiac death. Early recognition is important and should be evaluated by a multidisciplinary team for adequate management and treatment. We present a pregnant woman that presented to the emergency department and discuss her diagnosis, treatment, and outcome. Read More

Heart Rhythm 2022 Mar 31. Epub 2022 Mar 31.

Department of Cardiology, Narayana Multispecialty, Kolkata, India.

Pacing Clin Electrophysiol 2022 Apr 1. Epub 2022 Apr 1.

Department of Cardiology, the Second Affiliated Hospital of Chongqing Medical University, Chongqing, China.

Background: Pre-excited atrial fibrillation (AF) is associated with increased risk of life-threatening events. However, at times, patients with pre-excited AF still repetitively suffer from hemodynamic disturbance, with resistance to acute treatments of antiarrhythmic therapy and cardioversion.

Methods: To evaluate the feasibility in correcting hemodynamic disturbance, patients with pre-excited AF who underwent catheter ablation of accessory pathway as an emergency procedure, were retrospectively collected from two centers of China. Read More

Cardiol Young 2022 Mar 14:1-4. Epub 2022 Mar 14.

Department of Pediatrics, Faculty of Medicine, Kindai University, Osaka-Sayama, Osaka, Japan.

In latent Wolff-Parkinson-White syndrome, ventricular pre-excitation is inapparent during sinus rhythm but carries the same possibility of sudden cardiac death and palpitations as overt Wolff-Parkinson-White syndrome. It is difficult to diagnose latent Wolff-Parkinson-White syndrome when a patient does not have syncope or palpitations. We report the case of an asymptomatic patient with latent Wolff-Parkinson-White syndrome detected on school heart screening using subtle electrocardiography findings. Read More

J Cardiothorac Surg 2022 Mar 7;17(1):30. Epub 2022 Mar 7.

Arrhythmias Unit, Department of Cardiology, Grenoble University Hospital, CS 10217, 38043, Grenoble Cedex 09, France.

Background: Radiofrequency catheter ablation is considered to be a relatively safe procedure. This is an unusual case report in which severe mitral regurgitation was occurred after left lateral accessory pathway radiofrequency catheter ablation.

Case Presentation: A 15-year-old man without structural heart disease was referred for ablation of a left lateral accessory pathway. Read More

Clin Case Rep 2022 Feb 24;10(2):e05401. Epub 2022 Feb 24.

Hayward Genetics Center Tulane University School of Medicine New Orleans Louisiana USA.

Isoleucyl-tRNA synthetase 2 encodes mitochondrial isoleucine-tRNA synthetase. Pathogenic variants in the  gene are associated with mitochondrial disease. We report a female with compound heterozygous variants, p. Read More

JACC Case Rep 2022 Feb 16;4(4):198-204. Epub 2022 Feb 16.

Department of Cardiology, Indiana University School of Medicine, Indianapolis, Indiana, USA.

Hypertrophic cardiomyopathy (HCM) is a common but an underdiagnosed condition. Fasciculoventricular bypass tract (FVBT) is rare. Concomitant presence of both conditions is well described in Danon disease. Read More

Arq Bras Cardiol 2022 01;118(1):106-109

Hospital Universitário Professor Edgard Santos, Salvador, BA - Brasil.

Circulation 2022 02 21;145(8):622-625. Epub 2022 Feb 21.

Division of Cardiology, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA.

J Cardiovasc Electrophysiol 2022 05 28;33(5):953-961. Epub 2022 Feb 28.

Medanta The Medicity, Gurugram, New Delhi, India.

Background: Localization of atrioventricular accessory pathways (AP) from Electrocardiogram (ECG) is crucial for successful ablation. We analyzed the value of limb lead 2 versus 3 QRS vector discordance on surface ECG among right-sided pathways.

Methods: Data from consecutive patients undergoing successful ablation of manifest AP were analyzed. Read More

J Cardiovasc Electrophysiol 2022 05 26;33(5):962-965. Epub 2022 Feb 26.

Division of Cardiology, Department of Internal Medicine, American University of Beirut Medical Center, Beirut, Lebanon.

Kardiol Pol 2022 ;80(1):3-4

Cardiology Department, Hospital Pablo Tobón Uribe, Medellín, Antioquia, Colombia.

Int J Cardiovasc Imaging 2022 Feb 9. Epub 2022 Feb 9.

Department of Ultrasound Medicine, Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, 210008, Jiangsu, People's Republic of China.

The study aimed to investigate left ventricular (LV) motion pattern in patients with LBBB patterns including patients with pacemaker rhythm (PM), type B Wolff-Parkinson-White syndrome (B-WPW), premature ventricular complexes originating from the right ventricular outflow tract (RVOT-PVC), and complete left bundle branch block (CLBBB). Two-dimensional speckle tracking was used to evaluate peak value and time to peak value of the LV twist, LV apex rotation, and LV base rotation in patients with PM, B-WPW, RVOT-PVC, and CLBBB with normal LV ejection fraction, and in age-matched control subjects. The LV motion patterns were altered in all patients compared to the control groups. Read More

BMC Cardiovasc Disord 2022 02 2;22(1):25. Epub 2022 Feb 2.

Department of Radiology, Key Laboratory of Birth Defects and Related Diseases of Women and Children of Ministry of Education, West China Second University Hospital, Sichuan University, 20# Section 3 South Renmin Road, Chengdu, 610041, China.

Background: Left ventricular noncompaction (LVNC) is a rare type of cardiomyopathy, and one of its clinical manifestations is arrhythmia. Cardiovascular magnetic resonance (CMR) is valuable for the diagnosis and prognosis of LVNC. However, studies are lacking on the use of CMR for LVNC patients with arrhythmia. Read More

Case Rep Womens Health 2022 Jan 8;33:e00382. Epub 2022 Jan 8.

University of Wisconsin, Department of Obstetrics and Gynecology, 202 S. Park Street, Madison, WI 53715, United States.

Introduction: Short-term maternal administration of betamimetics is a common obstetric practice with uses including tocolysis during antenatal corticosteroid administration for fetal lung maturity, intrapartum tachysystole, and prior to external cephalic version. While previous research has demonstrated adverse effects of prolonged use of maternal betamimetics, no prior documentation exists of fetal tachyarrhythmias beyond sinus tachycardia after administration of terbutaline.

Case: This case documents a transient fetal tachyarrhythmia consistent with presumed atrial flutter after maternal administration of terbutaline for external cephalic version. Read More

J Cardiovasc Electrophysiol 2022 04 29;33(4):765-768. Epub 2022 Jan 29.

Department of Cardiology, Huashan Hospital Fudan University, Shanghai, China.

Introduction: Accessory pathway potential often indicates a highly effective ablation target in Wolff-Parkinson-White syndrome.

Methods: A 27-year-old female presenting with palpitation underwent an electrophysiology study, who had mild pre-excitation in surface ECG.

Results: An accessory pathway with weak anterograde conduction was found. Read More

J Gynecol Obstet Hum Reprod 2022 Mar 19;51(3):102323. Epub 2022 Jan 19.

Department of Perinatology, Zeynep Kamil Women and Children's Diseases Training and Research Hospital, University of Health Sciences, Istanbul, Turkey.

Objective: We aimed to describe a single institutional experience managing tachyarrhythmic fetuses, to investigate the underlying pathological findings and to evaluate the postnatal follow-up results.

Method: This retrospective study included 24 fetuses, treated and followed up with the diagnosis of supraventricular tachyarrhythmia between January 2014 and July 2020. Fetal tachyarrhythmia was evaluated by M mode and Doppler ultrasound. Read More

J Investig Med High Impact Case Rep 2022 Jan-Dec;10:23247096211073261

Texas Tech University Health Sciences Center El Paso, USA.

A 79-year-old Caucasian male was referred to cardiology clinic because the electrocardiogram showed premature atrial complexes and pre-excitation (delta waves) thought to be consistent with Wolff-Parkinson-White (WPW) syndrome. He did not report symptoms of palpitations or syncope. Careful analysis of the electrocardiogram revealed a fascicular-ventricular pathway (FVP) responsible for pre-excitation. Read More

J Interv Card Electrophysiol 2022 Jun 11;64(1):103-110. Epub 2022 Jan 11.

Department of Cardiovascular Medicine, TAHA Clinical Trial Group, School of Medicine, Shiraz University of Medical Sciences, 71344-1864, Shiraz, Iran.

Background: The earliest atrial (A)/ventricular (V) activation potentials, or fused A/V potentials, are commonly used as ablation targets for atrioventricular (AV) accessory pathways (APs). However, these targets can be achieved in a relatively wide area of the heart around AV rings at both atrial and ventricular sides. The aim of this study is to analyze the height of intracardiac A and V waves and their correlation to find the most appropriate side for successful delivery of radiofrequency energy, atrial or ventricular edge. Read More

HeartRhythm Case Rep 2021 Dec 15;7(12):816-819. Epub 2021 Sep 15.

Department of Cardiology, Clinical Research Institute, National Hospital Organization Kyushu Medical Center, Fukuoka City, Japan.