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HIV Infection Is Associated With Variability in Ventricular Repolarization: The Multicenter AIDS Cohort Study (MACS).

Heravi AS, Etzkorn LH, Urbanek JK, Crainiceanu CM, Punjabi NM, Ashikaga H, Brown TT, Budoff MJ, D'Souza G, Magnani JW, Palella FJ Jr, Berger RD, Wu KC, Post WS.

Circulation. 2020 Jan 21;141(3):176-187. doi: 10.1161/CIRCULATIONAHA.119.043042. Epub 2019 Nov 11.


Heart rate increase after pulmonary vein isolation predicts freedom from atrial fibrillation at 1 year.

Goff ZD, Laczay B, Yenokyan G, Sivasambu B, Sinha SK, Marine JE, Ashikaga H, Berger RD, Akhtar T, Spragg DD, Calkins H.

J Cardiovasc Electrophysiol. 2019 Dec;30(12):2818-2822. doi: 10.1111/jce.14257. Epub 2019 Nov 10.


Predictors and Incidence of Atrial Flutter After Catheter Ablation of Atrial Fibrillation.

Gucuk Ipek E, Marine J, Yang E, Habibi M, Chrispin J, Spragg D, Berger RD, Calkins H, Nazarian S.

Am J Cardiol. 2019 Dec 1;124(11):1690-1696. doi: 10.1016/j.amjcard.2019.08.026. Epub 2019 Sep 6.


Regional abnormalities on cardiac magnetic resonance imaging and arrhythmic events in patients with cardiac sarcoidosis.

Okada DR, Xie E, Assis F, Smith J, Derakhshan A, Gowani Z, Ambale-Venkatesh B, Gilotra NA, Zimmerman SL, Berger RD, Calkins H, Lima JAC, Tandri H, Chrispin J.

J Cardiovasc Electrophysiol. 2019 Oct;30(10):1967-1976. doi: 10.1111/jce.14082. Epub 2019 Aug 1.


Electrophysiology study for risk stratification in patients with cardiac sarcoidosis and abnormal cardiac imaging.

Okada DR, Smith J, Derakhshan A, Gowani Z, Zimmerman SL, Misra S, Berger RD, Calkins H, Tandri H, Chrispin J.

Int J Cardiol Heart Vasc. 2019 Mar 16;23:100342. doi: 10.1016/j.ijcha.2019.03.002. eCollection 2019 Jun.


Delayed endothelialization of watchman device identified with cardiac CT.

Sivasambu B, Arbab-Zadeh A, Hays A, Calkins H, Berger RD.

J Cardiovasc Electrophysiol. 2019 Aug;30(8):1319-1324. doi: 10.1111/jce.14053. Epub 2019 Jul 11.


Periatrial Fat Quality Predicts Atrial Fibrillation Ablation Outcome.

Ciuffo L, Nguyen H, Marques MD, Aronis KN, Sivasambu B, de Vasconcelos HD, Tao S, Spragg DD, Marine JE, Berger RD, Lima JAC, Calkins H, Ashikaga H.

Circ Cardiovasc Imaging. 2019 Jun;12(6):e008764. doi: 10.1161/CIRCIMAGING.118.008764. Epub 2019 Jun 10.


Intra-Atrial Dyssynchrony Using Cardiac Magnetic Resonance to Quantify Tissue Remodeling in Patients with Atrial Fibrillation.

Ciuffo LA, Lima J, Vasconcellos HD, Balouch M, Tao S, Nazarian S, Spragg DD, Marine JE, Berger RD, Calkins H, Ashikaga H.

Arq Bras Cardiol. 2019 Apr;112(4):441-450. doi: 10.5935/abc.20190064. Epub 2019 Apr 15. English, Portuguese.


Cardiac sympathectomy for refractory ventricular arrhythmias in cardiac sarcoidosis.

Okada DR, Assis FR, Gilotra NA, Ha JS, Berger RD, Calkins H, Chrispin J, Mandal K, Tandri H.

Heart Rhythm. 2019 Sep;16(9):1408-1413. doi: 10.1016/j.hrthm.2019.02.025. Epub 2019 Feb 25.


Intermittent high impedance from the lead-device compatibility problem.

Tanawuttiwat T, Berger RD, Love CJ.

Heart Rhythm. 2019 Jul;16(7):1107-1111. doi: 10.1016/j.hrthm.2019.01.026. Epub 2019 Jan 30. No abstract available.


Ablation Lesion Characterization in Scarred Substrate Assessed Using Cardiac Magnetic Resonance.

Tao S, Guttman MA, Fink S, Elahi H, Patil KD, Ashikaga H, Kolandaivelu AD, Berger RD, Halushka MK, Schmidt EJ, Herzka DA, Halperin HR.

JACC Clin Electrophysiol. 2019 Jan;5(1):91-100. doi: 10.1016/j.jacep.2018.11.001. Epub 2018 Dec 26.


Initiation of a High-Frequency Jet Ventilation Strategy for Catheter Ablation for Atrial Fibrillation: Safety and Outcomes Data.

Sivasambu B, Hakim JB, Barodka V, Chrispin J, Berger RD, Ashikaga H, Ciuffo L, Tao S, Calkins H, Marine JE, Trayanova N, Spragg DD.

JACC Clin Electrophysiol. 2018 Dec;4(12):1519-1525. doi: 10.1016/j.jacep.2018.08.016. Epub 2018 Nov 1.


Acute Pulmonary Vein Reconnection after Ablation using Contact-force Sensing Catheters: Incidence, Timing, and Ablation Lesion Characteristics.

Balouch M, Juang D, Sivasambu B, Bajwa RJ, Zghaib T, Chrispin J, Berger RD, Ashikaga H, Calkins H, Marine JE, Spragg DD.

J Atr Fibrillation. 2018 Aug 31;11(2):2084. doi: 10.4022/jafib.2084. eCollection 2018 Aug.


Ventricular Arrhythmias in Cardiac Sarcoidosis.

Okada DR, Smith J, Derakhshan A, Gowani Z, Misra S, Berger RD, Calkins H, Tandri H, Chrispin J.

Circulation. 2018 Sep 18;138(12):1253-1264. doi: 10.1161/CIRCULATIONAHA.118.034687. Review.


Rationale and design for ENHANCE CRT: QLV implant strategy for non-left bundle branch block patients.

Singh JP, Berger RD, Doshi RN, Lloyd M, Moore D, Daoud EG; ENHANCE CRT Study Group.

ESC Heart Fail. 2018 Dec;5(6):1184-1190. doi: 10.1002/ehf2.12340. Epub 2018 Sep 27.


The Fibrotic Substrate in Persistent Atrial Fibrillation Patients: Comparison Between Predictions From Computational Modeling and Measurements From Focal Impulse and Rotor Mapping.

Boyle PM, Hakim JB, Zahid S, Franceschi WH, Murphy MJ, Prakosa A, Aronis KN, Zghaib T, Balouch M, Ipek EG, Chrispin J, Berger RD, Ashikaga H, Marine JE, Calkins H, Nazarian S, Spragg DD, Trayanova NA.

Front Physiol. 2018 Aug 29;9:1151. doi: 10.3389/fphys.2018.01151. eCollection 2018.


Is human atrial fibrillation stochastic or deterministic?-Insights from missing ordinal patterns and causal entropy-complexity plane analysis.

Aronis KN, Berger RD, Calkins H, Chrispin J, Marine JE, Spragg DD, Tao S, Tandri H, Ashikaga H.

Chaos. 2018 Jun;28(6):063130. doi: 10.1063/1.5023588.


Relation of Electrocardiographic Left Atrial Abnormalities to Risk of Stroke in Patients with Atrial Fibrillation.

Inoue YY, Ipek EG, Khurram IM, Ciuffo L, Chrispin J, Zimmerman SL, Marine JE, Rickard J, Spragg DD, Nazarian S, Kusano K, Lima JA, Berger RD, Calkins H, Ashikaga H.

Am J Cardiol. 2018 Jul 15;122(2):242-247. doi: 10.1016/j.amjcard.2018.03.369. Epub 2018 May 3.


Field of view of mapping catheters quantified by electrogram associations with radius of myocardial attenuation on contrast-enhanced cardiac computed tomography.

Misra S, Zahid S, Prakosa A, Saju N, Tandri H, Berger RD, Marine JE, Calkins H, Zipunnikov V, Trayanova N, Zimmerman SL, Nazarian S.

Heart Rhythm. 2018 Nov;15(11):1617-1625. doi: 10.1016/j.hrthm.2018.05.031. Epub 2018 Jun 2.


Subcutaneous Versus Transvenous Implantable Defibrillator Therapy: Achilles' Last Stand?

Carlson DW, Berger RD.

JACC Clin Electrophysiol. 2017 Dec 26;3(13):1484-1486. doi: 10.1016/j.jacep.2017.10.005. Epub 2017 Nov 29. No abstract available.


Watchman Device-Related Thrombus: Defeating the Purpose of the Device?

Berger RD.

JACC Clin Electrophysiol. 2017 Dec 11;3(12):1387-1389. doi: 10.1016/j.jacep.2017.07.003. Epub 2017 Aug 30. No abstract available.


Trends in Transesophageal Echocardiography Use, Findings, and Clinical Outcomes in the Era of Minimally Interrupted Anticoagulation for Atrial Fibrillation Ablation.

Balouch M, Gucuk Ipek E, Chrispin J, Bajwa RJ, Zghaib T, Berger RD, Ashikaga H, Calkins H, Nazarian S, Marine JE, Spragg DD.

JACC Clin Electrophysiol. 2017 Apr;3(4):329-336. doi: 10.1016/j.jacep.2016.09.011. Epub 2016 Nov 23.


Have we reached the point of primary prevention for atrial fibrillation?

Sivasambu B, Berger RD.

J Cardiovasc Electrophysiol. 2018 Jun;29(6):879-880. doi: 10.1111/jce.13503. Epub 2018 Apr 26. No abstract available.


Response by Zghaib et al to Letter Regarding Article, "Standard Ablation Versus Magnetic Resonance Imaging-Guided Ablation in the Treatment of Ventricular Tachycardia".

Zghaib T, Ipek EG, Hansford R, Ashikaga H, Berger RD, Marine JE, Spragg DD, Tandri H, Zimmerman SL, Halperin H, Brancato S, Calkins H, Henrikson C, Nazarian S.

Circ Arrhythm Electrophysiol. 2018 Apr;11(4):e006413. doi: 10.1161/CIRCEP.118.006413. No abstract available.


Mechanical dyssynchrony of the left atrium during sinus rhythm is associated with history of stroke in patients with atrial fibrillation.

Ciuffo L, Inoue YY, Tao S, Gucuk Ipek E, Balouch M, Lima JAC, Nazarian S, Spragg DD, Marine JE, Berger RD, Calkins H, Ashikaga H.

Eur Heart J Cardiovasc Imaging. 2018 Apr 1;19(4):433-441. doi: 10.1093/ehjci/jex156.


Multimodal Examination of Atrial Fibrillation Substrate: Correlation of Left Atrial Bipolar Voltage Using Multi-Electrode Fast Automated Mapping, Point-by-Point Mapping, and Magnetic Resonance Image Intensity Ratio.

Zghaib T, Keramati A, Chrispin J, Huang D, Balouch MA, Ciuffo L, Berger RD, Marine JE, Ashikaga H, Calkins H, Nazarian S, Spragg DD.

JACC Clin Electrophysiol. 2018 Jan;4(1):59-68. doi: 10.1016/j.jacep.2017.10.010. Epub 2017 Dec 20.


Correlation of right ventricular multielectrode endocardial unipolar mapping and epicardial scar.

Chrispin J, Keramati AR, Assis FR, Misra S, Zghaib T, Berger RD, Calkins H, Tandri H.

Pacing Clin Electrophysiol. 2018 Apr;41(4):345-352. doi: 10.1111/pace.13299. Epub 2018 Mar 12.


Sympathectomy for Stabilization of Heart Failure Due to Drug-Refractory Ventricular Tachycardia.

Krishnan A, Suarez-Pierre A, Crawford TC, Zhou X, Russell SD, Berger RD, Calkins H, Baumgartner WA, Tandri H, Mandal K.

Ann Thorac Surg. 2018 Feb;105(2):e51-e53. doi: 10.1016/j.athoracsur.2017.09.023.


Intra-Atrial Dyssynchrony During Sinus Rhythm Predicts Recurrence After the First Catheter Ablation for Atrial Fibrillation.

Ciuffo L, Tao S, Gucuk Ipek E, Zghaib T, Balouch M, Lima JAC, Nazarian S, Spragg DD, Marine JE, Berger RD, Calkins H, Ashikaga H.

JACC Cardiovasc Imaging. 2019 Feb;12(2):310-319. doi: 10.1016/j.jcmg.2017.11.028. Epub 2018 Jan 17.


Standard Ablation Versus Magnetic Resonance Imaging-Guided Ablation in the Treatment of Ventricular Tachycardia.

Zghaib T, Ipek EG, Hansford R, Ashikaga H, Berger RD, Marine JE, Spragg DD, Tandri H, Zimmerman SL, Halperin H, Brancato S, Calkins H, Henrikson C, Nazarian S.

Circ Arrhythm Electrophysiol. 2018 Jan;11(1):e005973. doi: 10.1161/CIRCEP.117.005973. No abstract available.


Safety of Magnetic Resonance Imaging in Patients with Cardiac Devices.

Nazarian S, Hansford R, Rahsepar AA, Weltin V, McVeigh D, Gucuk Ipek E, Kwan A, Berger RD, Calkins H, Lardo AC, Kraut MA, Kamel IR, Zimmerman SL, Halperin HR.

N Engl J Med. 2017 Dec 28;377(26):2555-2564. doi: 10.1056/NEJMoa1604267.


The Extent of Left Atrial Low-Voltage Areas Included in Pulmonary Vein Isolation Is Associated With Freedom from Recurrent Atrial Arrhythmia.

Huang D, Li JB, Zghaib T, Gucuk Ipek E, Balouch M, Spragg DD, Ashikaga H, Tandri H, Sinha SK, Marine JE, Berger RD, Calkins H, Nazarian S.

Can J Cardiol. 2018 Jan;34(1):73-79. doi: 10.1016/j.cjca.2017.10.012. Epub 2017 Oct 19.


Repolarization tremors: Do they predict arrhythmic earthquakes?

Patil KD, Berger RD.

Heart Rhythm. 2018 Mar;15(3):449-450. doi: 10.1016/j.hrthm.2017.12.011. Epub 2017 Dec 8. No abstract available.


Increased rates of atrial fibrillation recurrence following pulmonary vein isolation in overweight and obese patients.

Sivasambu B, Balouch MA, Zghaib T, Bajwa RJ, Chrispin J, Berger RD, Ashikaga H, Nazarian S, Marine JE, Calkins H, Spragg DD.

J Cardiovasc Electrophysiol. 2018 Feb;29(2):239-245. doi: 10.1111/jce.13388. Epub 2017 Dec 14.


Rotors: How Do We Know When They Are Real?

Aronis KN, Berger RD, Ashikaga H.

Circ Arrhythm Electrophysiol. 2017 Sep;10(9). pii: e005634. doi: 10.1161/CIRCEP.117.005634. No abstract available.


Left atrial appendage occlusion for stroke prevention in patients with atrial fibrillation.

Bajwa RJ, Kovell L, Resar JR, Arbab-Zadeh A, Mandal K, Calkins H, Berger RD.

Clin Cardiol. 2017 Oct;40(10):825-831. doi: 10.1002/clc.22764. Epub 2017 Jul 27. Review.


Ablation as targeted perturbation to rewire communication network of persistent atrial fibrillation.

Tao S, Way SF, Garland J, Chrispin J, Ciuffo LA, Balouch MA, Nazarian S, Spragg DD, Marine JE, Berger RD, Calkins H, Ashikaga H.

PLoS One. 2017 Jul 5;12(7):e0179459. doi: 10.1371/journal.pone.0179459. eCollection 2017.


Current management and clinical outcomes for catheter ablation of atrioventricular nodal re-entrant tachycardia.

Chrispin J, Misra S, Marine JE, Rickard J, Barth A, Kolandaivelu A, Ashikaga H, Tandri H, Spragg DD, Crosson J, Berger RD, Tomaselli G, Calkins H, Sinha SK.

Europace. 2018 Apr 1;20(4):e51-e59. doi: 10.1093/europace/eux110.


The impact of posture on the cardiac depolarization and repolarization phases of the QT interval in healthy subjects.

Obata Y, Ruzankin P, Ong QJ, Berkowitz DE, Berger RD, Steppan J, Barodka V.

J Electrocardiol. 2017 Sep - Oct;50(5):640-645. doi: 10.1016/j.jelectrocard.2017.03.001. Epub 2017 Mar 12.


Factors impacting complication rates for catheter ablation of atrial fibrillation from 2003 to 2015.

Yang E, Ipek EG, Balouch M, Mints Y, Chrispin J, Marine JE, Berger RD, Ashikaga H, Rickard J, Calkins H, Nazarian S, Spragg DD.

Europace. 2017 Feb 1;19(2):241-249. doi: 10.1093/europace/euw178.


Impact of rotor temperospatial stability on acute and one-year atrial fibrillation ablation outcomes.

Balouch M, Gucuk Ipek E, Chrispin J, Bajwa RJ, Zghaib T, Berger RD, Ashikaga H, Nazarian S, Marine JE, Calkins H, Spragg DD.

Clin Cardiol. 2017 Jun;40(6):383-389. doi: 10.1002/clc.22674. Epub 2017 Jan 25.


Association of Rate-Dependent Conduction Block Between Eccentric Coronary Sinus to Left Atrial Connections With Inducible Atrial Fibrillation and Flutter.

Huang D, Marine JE, Li JB, Zghaib T, Ipek EG, Sinha S, Spragg DD, Ashikaga H, Berger RD, Calkins H, Nazarian S.

Circ Arrhythm Electrophysiol. 2017 Jan;10(1). pii: e004637. doi: 10.1161/CIRCEP.116.004637. Erratum in: Circ Arrhythm Electrophysiol. 2017 Feb;10(2):.


Preoperative Antibiotic Orders: Protocol-Initiated Pharmacist Order Entry.

Hyde BB, Ogden RK Jr, Berger RD, VanBrimmer BW, Stach LM.

J Pediatr Pharmacol Ther. 2016 Sep-Oct;21(5):432-435.


Erratum to '2015 HRS/EHRA/APHRS/SOLAECE expert consensus statement on optimal implantable cardioverter-defibrillator programming and testing' [Journal of Arrhythmia 32/1 (2016) 1-28].

Wilkoff BL, Fauchier L, Stiles MK, Morillo CA, Al-Khatib SM, Almendral J, Aguinaga L, Berger RD, Cuesta A, Daubert JP, Dubner S, Ellenbogen KA, Mark Estes NA 3rd, Fenelon G, Garcia FC, Gasparini M, Haines DE, Healey JS, Hurtwitz JL, Keegan R, Kolb C, Kuck KH, Marinskis G, Martinelli M, McGuire M, Molina LG, Okumura K, Proclemer A, Russo AM, Singh JP, Swerdlow CD, Teo WS, Uribe W, Viskin S, Wang CC, Zhang S.

J Arrhythm. 2016 Oct;32(5):441-442. Epub 2016 Sep 21.


Incidence of late atrial fibrillation in bilateral lung versus heart transplants.

Magruder JT, Plum W, Crawford TC, Grimm JC, Borja MC, Berger RD, Tandri H, Calkins H, Cameron DE, Mandal K.

Asian Cardiovasc Thorac Ann. 2016 Oct;24(8):772-778. Epub 2016 Sep 15.


Insights from Novel Noninvasive CT and ECG Imaging Modalities on Electromechanical Myocardial Activation in a Canine Model of Ischemic Dyssynchronous Heart Failure.

Dawoud F, Schuleri KH, Spragg DD, Horáček BM, Berger RD, Halperin HR, Lardo AC.

J Cardiovasc Electrophysiol. 2016 Dec;27(12):1454-1461. doi: 10.1111/jce.13091. Epub 2016 Oct 13.


Association of left atrial epicardial adipose tissue with electrogram bipolar voltage and fractionation: Electrophysiologic substrates for atrial fibrillation.

Zghaib T, Ipek EG, Zahid S, Balouch MA, Misra S, Ashikaga H, Berger RD, Marine JE, Spragg DD, Zimmerman SL, Zipunnikov V, Trayanova N, Calkins H, Nazarian S.

Heart Rhythm. 2016 Dec;13(12):2333-2339. doi: 10.1016/j.hrthm.2016.08.030. Epub 2016 Aug 19.


"2 for 1 Phenomenon" on Implantable Cardioverter Defibrillator Intracardiac Tracing.

McCLENDON E, Suzuki T, Tanawuttiwat T, Rhodes TE, Berger RD.

Pacing Clin Electrophysiol. 2016 Dec;39(12):1415-1417. doi: 10.1111/pace.12906. Epub 2016 Jul 23.


Feasibility of using patient-specific models and the "minimum cut" algorithm to predict optimal ablation targets for left atrial flutter.

Zahid S, Whyte KN, Schwarz EL, Blake RC 3rd, Boyle PM, Chrispin J, Prakosa A, Ipek EG, Pashakhanloo F, Halperin HR, Calkins H, Berger RD, Nazarian S, Trayanova NA.

Heart Rhythm. 2016 Aug;13(8):1687-98. doi: 10.1016/j.hrthm.2016.04.009. Epub 2016 Apr 19.


Entropy of cardiac repolarization predicts ventricular arrhythmias and mortality in patients receiving an implantable cardioverter-defibrillator for primary prevention of sudden death.

DeMazumder D, Limpitikul WB, Dorante M, Dey S, Mukhopadhyay B, Zhang Y, Moorman JR, Cheng A, Berger RD, Guallar E, Jones SR, Tomaselli GF.

Europace. 2016 Dec;18(12):1818-1828. doi: 10.1093/europace/euv399. Epub 2016 Apr 4.

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