Full Text Journal Articles by
Author Waseem Barham

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Transient Left Atrial Appendage Inversion During Transcatheter Closure Device Placement.

Waseem Barham, Gaurav Dhar, Nam S Cho, David Rhine,

A 72-year-old female patient underwent left atrial appendage closure. During recapture of the occlusion device, transient inversion of the appendageal wall occurred. We describe the mechanism with real-time imaging and share our experience of handling this situation. To the best of our knowledge, this is the first case report of ... Read more >>

J Atr Fibrillation (Journal of atrial fibrillation)
[2019, 12(3):2211]

Cited: 0 times

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Programming implantable cardioverter-defibrillator in primary prevention: Guideline concordance and outcomes.

Teetouch Ananwattanasuk, Tanyanan Tanawuttiwat, Ronpichai Chokesuwattanaskul, Sangeeta Lathkar-Pradhan, Waseem Barham, Hakan Oral, Ranjan K Thakur, Krit Jongnarangsin,

<h4>Background</h4>Inappropriate therapy is a common adverse effect in patients with an implantable cardioverter-defibrillator (ICD) that may be prevented by appropriate programming.<h4>Objective</h4>The purpose of this study was to assess the outcomes of device programming based on a 2015 HRS/EHRA/APHRS/SOLAECE expert consensus statement and a 2019 focused update on optimal ICD programming ... Read more >>

Heart Rhythm (Heart rhythm)
[2020, 17(7):1101-1106]

Cited: 1 time

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Amiodarone-induced Hyponatremia: A Case Report and a Review of the Literature.

Waseem Barham, Samer A Zeayter, Abdulrahman Safadi, Ranjan K Thakur,

Amiodarone is a widely used medication for controlling various types of cardiac arrhythmias. Nonetheless, it carries several known adverse effects that may preclude its use or necessitate discontinuation. Hyponatremia resulting from amiodarone is rarely reported, and its incidence is unknown. We present a case of severe hyponatremia secondary to amiodarone ... Read more >>

J Innov Card Rhythm Manag (The Journal of innovations in cardiac rhythm management)
[2018, 9(3):3071-3076]

Cited: 1 time

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Noninvasive predictors of perioperative atrial arrhythmias in patients with tetralogy of Fallot undergoing pulmonary valve replacement.

Daniel Cortez, Waseem Barham, Emily Ruckdeschel, Nandita Sharma, Anthony C McCanta, Johannes von Alvensleben, William H Sauer, Kathryn K Collins, Joseph Kay, Sonali Patel, Duy T Nguyen,

<h4>Background</h4>Patients with tetralogy of Fallot (TOF) have increased risk of atrial arrhythmias.<h4>Hypothesis</h4>A measure of atrial dispersion, the P-wave vector magnitude (Pvm), can identify patients at risk for perioperative atrial flutter (AFL) or intra-atrial re-entrant tachycardia (IART) in a large TOF cohort.<h4>Methods</h4>We performed a blinded, retrospective analysis of 158 TOF patients ... Read more >>

Clin Cardiol (Clinical cardiology)
[2017, 40(8):591-596]

Cited: 2 times

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Impact of Alcohol Consumption on Atrial Fibrillation Outcomes Following Pulmonary Vein Isolation.

Waseem Y Barham, William H Sauer, Blake Fleeman, Michael Brunnquell, Wendy Tzou, Ryan Aleong, Joseph Schuller, Matthew Zipse, Christine Tompkins, Duy T Nguyen,

<h4>Background</h4>Moderate to heavy alcohol use has been shown to be associated with increased atrial fibrillation (AF) incidence. However, the relationship between alcohol use and AF recurrence after pulmonary vein isolation (PVI) is not well known.<h4>Objective</h4>We sought to study the impact of different alcohol consumption levels on outcomes after AF ablation.<h4>Methods</h4>A ... Read more >>

J Atr Fibrillation (Journal of atrial fibrillation)
[2016, 9(4):1505]

Cited: 1 time

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Noninvasive Predictors of Ventricular Arrhythmias in Patients With Tetralogy of Fallot Undergoing Pulmonary Valve Replacement.

Daniel Cortez, Waseem Barham, Emily Ruckdeschel, Nandita Sharma, Anthony C McCanta, Johannes von Alvensleben, William H Sauer, Kathryn K Collins, Joseph Kay, Sonali Patel, Duy T Nguyen,

OBJECTIVES:This study sought to test the hypothesis that a vectorcardiographic parameter, the QRS vector magnitude (QRSVm), can risk stratify those patients at risk for sustained spontaneous ventricular arrhythmias (VAs) or ventricular arrhythmia inducibility (VAI) in a large cohort of patients with tetralogy of Fallot (TOF). BACKGROUND:Patients with TOF have an ... Read more >>

JACC Clin Electrophysiol (JACC. Clinical electrophysiology)
[2017, 3(2):162-170]

Cited: 1 time

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Enhanced Radiofrequency Ablation With Magnetically Directed Metallic Nanoparticles.

Duy T Nguyen, Wendy S Tzou, Lijun Zheng, Waseem Barham, Joseph L Schuller, Benjamin Shillinglaw, Robert A Quaife, William H Sauer,

<h4>Background</h4>Remote heating of metal located near a radiofrequency ablation source has been previously demonstrated. Therefore, ablation of cardiac tissue treated with metallic nanoparticles may improve local radiofrequency heating and lead to larger ablation lesions. We sought to evaluate the effect of magnetic nanoparticles on tissue sensitivity to radiofrequency energy.<h4>Methods and ... Read more >>

Circ Arrhythm Electrophysiol (Circulation. Arrhythmia and electrophysiology)
[2016, 9(5):]

Cited: 8 times

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Effect of Irrigant Characteristics on Lesion Formation After Radiofrequency Energy Delivery Using Ablation Catheters with Actively Cooled Tips.

Duy T Nguyen, Matthew Olson, Lijun Zheng, Waseem Barham, Joshua D Moss, William H Sauer,

<h4>Background</h4>The delivery of radiofrequency (RF) energy through irrigated ablation catheters may be affected by irrigant osmolarity and by catheter position. We sought to characterize lesion formation characteristics using different irrigants in both open and closed irrigated catheter.<h4>Methods</h4>An ex vivo model consisting of viable bovine myocardium and a submersible load cell ... Read more >>

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
[2015, 26(7):792-798]

Cited: 18 times

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Effect of radiofrequency energy delivery in proximity to metallic medical device components.

Duy T Nguyen, Waseem Barham, Lijun Zheng, Sarah Dinegar, Wendy S Tzou, William H Sauer,

<h4>Background</h4>Radiofrequency (RF) ablation of cardiac arrhythmias is often performed in the presence of metallic materials in the heart.<h4>Objectives</h4>We hypothesize that metal objects in proximity to an RF ablation source can lead to ohmic heating of surrounding tissue. Furthermore, we hypothesize that insulation of the metal can mitigate this RF effect.<h4>Methods</h4>A ... Read more >>

Heart Rhythm (Heart rhythm)
[2015, 12(10):2162-2169]

Cited: 19 times

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'Angina' of the papillary muscle: an overlooked but reversible etiology of mitral regurgitation.

Fady Y Marmoush, Mazen O Al-Qadi, Waseem Y Barham, Ahmad M Abdin, Ahmad H Daraghmeh, Joe F Yammine,

R I Med J (2013) (Rhode Island medical journal (2013))
[2015, 98(5):28-29]

Cited: 0 times

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Effects of radiofrequency energy delivered through partially insulated metallic catheter tips on myocardial tissue heating and ablation lesion characteristics.

Duy T Nguyen, Joshua D Moss, Lijun Zheng, Janice Huang, Waseem Barham, William H Sauer,

<h4>Background</h4>Cardiac radiofrequency (RF) ablation is typically achieved using symmetric catheter tips, which may result in unintended heating adjacent to targeted tissue. Partial insulation may alter lesion geometry and prevent collateral heating.<h4>Objective</h4>The purpose of this study was to assess partially insulated focused ablation (PIFA).<h4>Methods</h4>Partial insulation using thermally conductive materials was applied ... Read more >>

Heart Rhythm (Heart rhythm)
[2015, 12(3):623-630]

Cited: 4 times

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Carbon nanotube facilitation of myocardial ablation with radiofrequency energy.

Duy T Nguyen, Waseem Barham, Lijun Zheng, Benjamin Shillinglaw, Wendy S Tzou, Bonnie Neltner, Luisa Mestroni, Susanna Bosi, Laura Ballerini, Maurizio Prato, William H Sauer,

<h4>Background</h4>The use of carbon nanotubes (CNTs) in oncology has been proposed for the purpose of sensitizing tumors to radiofrequency (RF) ablation. We hypothesize that myocardial tissue infiltrated with CNTs will improve thermal conductivity of RF heating and lead to altered ablation lesion characteristics.<h4>Methods</h4>An ex vivo model consisting of viable bovine ... Read more >>

J Cardiovasc Electrophysiol (Journal of cardiovascular electrophysiology)
[2014, 25(12):1385-1390]

Cited: 10 times

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