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Mashup Score: 2A “one-step” treatment for symptomatic lead-related venous obstruction using percutaneous lead extraction, venous stenting, and new device implantation - 2 month(s) ago
The global prevalence and intricacies of cardiovascular implantable electronic device (CIED) implantations have been on the rise, especially with introduction of cardiac resynchronization therapy-defibrillator (CRT-D).1,2 However, this advancement in procedures has been accompanied by a corresponding increase in rate of complications. In particular, symptomatic lead-related venous obstruction is a serious complication affecting 1 out of every 20 patients with CIEDs.3 It can cause facial and upper extremity edema, as well as dysdialysis syndrome in patients on hemodialysis.
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Mashup Score: 12
The vein of Marshall is localized on the posterior part of the left atrium. It drains the blood from the left atrial endocardium to the coronary sinus. There are epicardial fibers which travel along the vein of Marshall. The endocardial radiofrequency ablation of these fibers, to achieve mitral isthmus isolation, has been challenging, because the fibers are surrounded and isolated by fatty tissue1. Ethanol infusion of the vein of Marshall has been proposed to solve this issue.
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Mashup Score: 9Successful Radiofrequency Catheter Ablation of Focal Atrial Tachycardia originating from Right Atrial Appendage Anomaly - 2 month(s) ago
Focal atrial tachycardia (AT) accounts for up to 10% of supraventricular tachycardias, however despite this low incidence, their management presents difficulties due to limited response to medical management including DCCV, and a predisposition to initiate other atrial arrhythmias 1. ATs may result from micro-re-entry, triggered activity or enhanced automaticity and typically arise from characteristic locations in the atria, where the anatomic configuration may predispose to ectopic impulse generation and propagation 2.
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Mashup Score: 4Long-term survival with pocket-defected permanent pacemaker after conservative management of pacemaker infection - 2 month(s) ago
Infection of a cardiac implantable electrophysiological device (CIED) is a life-threatening condition. The prevalence of CIED-related infections is reportedly around 1.0% and continues to increase.1 CIED-related infections are not limited to generator pocket infections; in some cases, blood stream infections (bacteremia, lead infection or endocarditis) may occur, resulting in mortality.2 The mortality and recurrence rates are higher with conservative management, so complete CIED removal is strongly recommended.
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Mashup Score: 7A Case of Helix-fixation Leadless Pacemaker Dislodgment and Retrieval: The Importance of Achieving Appropriate Post-Implant Impedance - 2 month(s) ago
The AVEIRTM (Abbott, Chicago, IL) helix-fixation leadless pacemaker (LP) system received the Food and Drug Administration approval in April 2022. The device has proven safety and efficacy in the LEADLESS II clinical trial.[1] We present a 93-year-old man who was admitted to the hospital with symptomatic sinus bradycardia. After shared decision making, the patient underwent AVEIR VRTM leadless pacemaker placement. Immediately after implantation, the device had dislodged. We detail a stepwise approach for retrieval and re-implantation, highlighting potential reasons for premature device migration and key points for successful implantation.
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Mashup Score: 2Arrhythmia as the presenting symptom of a Primary Cardiac Lymphoplasmacytic Lymphoma - 2 month(s) ago
Cardiac tumors are uncommon and are categorized into primary and secondary tumors. Secondary tumors are more common than primary tumors. Both types can present as lymphomas. Primary cardiac lymphomas (PCLs) account for around 1.3% of all primary cardiac tumors1,2.
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Mashup Score: 3Transhepatic Approach: A Safe Alternative for Left Atrial Appendage Closure in Challenging Anatomical Cases—A Report of Two Cases and Narrative Review - 2 month(s) ago
Given that the majority of thrombi associated with atrial fibrillation in the left atrium originate within the left atrial appendage (LAA), historically, the surgical excision or exclusion of the appendage has been attempted as a prophylactic measure, albeit with initially elevated morbidity and mortality rates. 1
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Mashup Score: 3Symptomatic Sinus Bradycardia Following Laparoscopic Sleeve Gastrectomy: A Case Series - 2 month(s) ago
Obesity creates many health challenges for patients and the physicians who care for them. While weight loss following bariatric surgery often yields improvement of comorbidities related to obesity, it also causes unanticipated changes in underlying physiology. We present the cases of two young patients with morbid obesity who underwent sleeve gastrectomy and post-operatively developed symptomatic sinus bradycardia. These instances emphasize the presentation, nuance, and potential complications involved in treating sinus bradycardia induced by sleeve gastrectomy in this patient population.
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Mashup Score: 4Concurrent Lead Impedance Reduction in Both leads of a Dual Chamber Pacemaker Secondary to Generator Defect - 2 month(s) ago
Pacing malfunction can arise from structural integrity failure of the leads, and one of the main causes of lead integrity failure is insulation breach, which is recognized by low impedance. We present a rare case of decreased impedance in both right atrial (RA) and right ventricular (RV) leads of a dual chamber pacemaker due to generator failure with intact lead insulation. The removed device analysis revealed a bonding anomaly between the header and base can, leading to fluid ingress electronic circuitry damage that led to measured low impedances.
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Mashup Score: 5Low atrial septal pacing with a handmade stylet when right atrial appendage pacing is difficult: A case series - 2 month(s) ago
Dual chamber pacemakers are implanted for symptomatic sick sinus syndrome and atrioventricular block. In many cases, atrial leads are implanted in the right atrial appendage (RAA) during dual chamber pacemaker implantation because of the simplicity of the procedure. However, there may be no lead placement site with good wave amplitude and threshold due to fibrosis and remodeling of the RAA. In such cases, the options are high atrial septal pacing with pacing near the Bachmann bundle or low atrial septal (LAS) pacing with pacing near Koch’s triangle, but fewer delivery catheters are suitable for the atrial septum than the ventricular septum.
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A “one-step” treatment for symptomatic lead-related venous obstruction using percutaneous lead extraction, venous stenting, and new device implantation https://t.co/6aKny5N6X9 https://t.co/TKnF8KWFql