Loren D. Berenbom, MD

Professor of Medicine - Cardiology
Director, Bloch Heart Rhythm Center
Medical School, Northwestern University School of Medicine, Chicago, Illinois
Residency, Washington University School of Medicine, Barnes-Jewish Hospital, St. Louis, Missouri
Fellowship, Washington University School of Medicine, Barnes-Jewish Hospital, St. Louis Missouri (Cardiology and Electrophysiology)


Clinical Interests

  • Heart Rhythm Management
  • Implantable Defibrillators
  • Implantable Pacemakers
  • Radiofrequency Ablation
  • Lead Extraction
  • Cardiac Resynchronization Therapy
  • Hypertrophic Cardiomyopathy

Research Interests

  • Arrhythmia management
  • Hypertrophic cardiomyopathy
  • Inherited rhythm disorders
  • Implantable cardiac rhythm management devices

Research Projects

Active projects

  • A study of lead extractions, sponsored by Medtronic.
  • A post-approval registry of the SJ4 connector, sponsored by St. Jude Medical.
  • St. Jude Medical Product Longevity & Performance Registry (SCORE), sponsored by St. Jude Medical.
  • Multicenter Automatic Defibrillator Implantation Trial with Cardiac Resynchronization Therapy (MADIT-CRT), sponsored by Boston Scientific.

Selected Publications

  • Pillarisetti J, Biria M, Balda A, Reddy N, Berenbom L, Lakkireddy D. Integrity of vascular access: the story of a broken sheath! J Vasc Nurs. 2009 Sep;27(3):75-7.
  • Vanga S, Vacek J, Berenbom L, Lakkireddy D. Ventricular tachycardia storm - an atypical presentation of sarcoidosis exacerbation. Indian Pacing Electrophysiol J 2009;9(6):351-354.
  • Pillarisetti J, Nath J, Berenbom L, Lakkireddy D. Cardiac cirrhosis: a rare manifestation of an uncorrected primum atrial septal defect. J Cardiovasc Med (Hagerstown). 2009 Dec 3. [Epub ahead of print].
  • Lakkireddy D, Rangisetty U, Prasad S, Verma A, Biria M, Berenbom L, Pimentel R, Emert M, Rosamond T, Fahmy T, Patel D, Di Biase L, Schweikert R, Burkhardt D, Natale A. Intracardiac echo guided radiofrequency catheter ablation of atrial fibrillation in patients with atrial septal defect (ASD) or patent foramen ovale (PFO) repair: a feasibility, safety and efficacy study. J Cardiovasc Electrophysiol. 2008 Nov;19(11):1137-42. Epub 2008 Jul 25.
  • Vanga S, Biria M, Berenbom L, Vacek J, Lakkireddy D. Skin burn at the site of indifferent electrode after radiofrequency catheter ablation of AV node for atrial fibrillation. Journal of Atrial Fibrillation. Online publication 7/16/08: 10.4022/jafib.v1i1.406.
  • Kreighbaum K, Berenbom L. Design of an outpatient atrial fibrillation center of excellence: current experience with the delivery of pre-procedure and post-procedure care. Journal of Atrial Fibrillation. Online publication 7/16/08. doi: 10.4022/jafib.v1i1.4065.

Selected Abstracts Presented at National Meetings

  • Biria M, Pillarisetti J, Annapureddy C, Baryun E, Newton D, Kreighbaum K, Murray C, Staley J, Berenbom L, Pimentel R, Vanga S, Vacek J, Emert M, Nath J, Rosamond T, Raxwal V, Mulhern K, Gupta K, Verma A, Lakkireddy D. Cardiac Resynchronization Therapy Alters Progression of Diastolic Dysfunction. Presented at the 2008 Heart Rhythm Society Annual Meeting, May 14-17 2008, San Francisco California.
  • Baryun E, Biria M, Berenbom L, Mulhern K, Rosamond T, Pimentel R, Emert M, Ray W, Lakkireddy D. Remote Magnetic Navigation and Ablation of Intra-atrial Reentrant Tachycardia Via a Retrograde Approach in a Patients with Post Mustard D-TGA. Presented at the 2008 Heart Rhythm Society Annual Meeting, May 14-17 2008, San Francisco California.
  • Biria M, Pillarisetti J, Annapureddy C, Baryun E, Newton D, Kreighbaum K, Murray C, Staley J, Berenbom L, Pimentel R, Vanga S, Vacek J, Emert M, Porter C, Genton R, Nath J, Gupta K, Lakkireddy D. The Impact of Cardiac Resynchronization Therapy on Kansas City Cardiomyopathy Questionnaire (KCCQ) Score in Patients with Congestive Heart Failure. Presented at the 2008 Heart Rhythm Society Annual Meeting, May 14-17 2008, San Francisco California.
  • Simmons A, Rosamond T, Nath J, Lakkireddy D, Wetzel L, Vacek J, Pimentel R, Emert E,  Berenbom L, Biria M. 64 slice Cardiac CTA in the Diagnosis of Left Atrial Appendage Thrombus:  Comparison to Transesophageal Echocardiography. Presented at the 14th World Congress on Heart Disease - International Academy of Cardiology Annual Scientific Sessions 2008, July 26-29 2008, Toronto Ontario, Canada.
  • Biria M, Annapureddy C, Newton D, Pillarisetti J, Baryun E, Berenbom L, Pimentel R, Vanga S, Vacek J, Emert M, Nath J, Verma A, Khaykin Y, Natale A, Murray C, Staley J, Lakkireddy D. Leukocytosis Post Atrial Fibrillation Ablation - Is There A Reason To Worry? Presented at the 14th World Congress on Heart Disease - International Academy of Cardiology Annual Scientific Sessions 2008, July 26-29 2008, Toronto Ontario, Canada.
  • Biria M, Baryun E, Vacek J, Dalton K, Earnest M, Emert M, Pimentel R, Lakkireddy D, Berenbom L. Outcomes and Cost Analysis of Transvenous vs. Prophylactic Intraoperative Implantation of CRT Leads (PROPEL study). Presented at the 14th World Congress on Heart Disease - International Academy of Cardiology Annual Scientific Sessions 2008, July 26-29 2008, Toronto Ontario, Canada.
  • Reddy N, Seim N, Pillarisetti J, Boc K, Chen W, Ryschon K, Dendi R, Berenbom L, Vacek J, Lakkireddy D. Accurate Measurement of QT Interval During Administration of QT prolonging Anti Arrhythmic Drugs: Is the tangent technique more appropriate? Presented at the 2009 Heart Rhythm Society Annual Meeting, May 13-16 2009, Boston Massachusetts.
  • Lakkireddy D, Pillarisetti J, Verma A, Pimentel R, Vanga S, Rajoli S, Berenbom L, Emert M, Dendi R, Rosamond T. Impact of Common Pulmonary Veins (CPV) on the Short Term Outcomes of Radiofrequency Catheter Ablation of Atrial Fibrillation (AF). Presented at the 2009 Heart Rhythm Society Annual Meeting, May 13-16 2009, Boston Massachusetts.
  • Vanga S, Pillarisetti J, Biria M, Rajoli S, Berenbom L, Pimentel R, Emert M, Dendi R, Lakkireddy D. Overcoming Fluid Overload After Atrial Fibrillation Ablation with an Open Irrigated Catheter: Role of Scheduled Diuresis and Electrolyte Replacement. Presented at the 2009 Heart Rhythm Society Annual Meeting, May 13-16 2009, Boston Massachusetts.
  • Lakkireddy D, Pillarisetti J, Verma A, Natale A, Berenbom L, Emert M, Pimentel R, Dendi R. Radiofrequency Ablation in Patients with Recurrent Symptomatic Atrial Fibrillation and Gastro Esophageal Reflux Disease (GERD)/Irritable Bowel Syndrome (IBS) - The Heart to Gut Connection. Presented at the 2009 Heart Rhythm Society Annual Meeting, May 13-16 2009, Boston Massachusetts.
  • Pillarisetti J, Lakkireddy D, Tadros P, Sayana H, Goucher H, Duthuluru S, Patel A, Biria M, Vacek J, Berenbom L, Gupta K, Nath J, Wiley M. Interventional Cardiologists and Electrophysiologists Beware! - Your Job Can Impact the Gender of Your Offspring Too! Presented at the 2009 Heart Rhythm Society Annual Meeting, May 13-16 2009, Boston Massachusetts.
  • Lakkireddy D, Biria M, Pillarisetti J, Verma A, Vanga S, Pimentel R, Emert M, Berenbom L, Dendi R. Sinus Node Dysfunction, Tachy-brady Rhythm, & Extensive Biatrial Scarring - Recognizing a New Clinical Syndrome of Atriomyopathy in Patients with Atrial Fibrillation. Presented at the American Heart Association Scientific Sessions 2009, November 14-18 2009, Orlando Florida.
  • Pillarisetti J, Falbe J, Dendi R, Pimentel R, Emert M, Lakkireddy D, Berenbom L. Experience with Fidelis Lead Extractions at a Single Academic Center. Presented at the 59th Annual ACC Scientific Sessions 2010, March 14-16 2010, Atlanta Georgia.
  • Vanga S, Subramaniyam P, Berenbom L, Emert M, Pimentel R, Dendi R, Lakkireddy D. Narrowing of Pulmonary Vein Ostial Dimensions After Isolation in Patients with Atrial Fibrillation: True Stenosis or Volume Reduction? Presented at the 2010 Heart Rhythm Society Annual Meeting, May 12-15 2010, Denver Colorado.
  • Vanga S, Bicknell D, Dendi R, Pimentel R, Berenbom L, Emert M, Gerken A, Newton D, Natale A, Di Biase L, Dawn B, Lakkireddy D. Radio Frequency Ablation (RFA) for Sinus Rhythm Restoration in Atrial Fibrillation Patients with Mitral or Aortic Mechanical Prosthetic Valves - Feasibility, Safety and Efficacy. Presented at the 2010 Heart Rhythm Society Annual Meeting, May 12-15 2010, Denver Colorado.
  • Subramaniyam P, Vanga S, Guda R, Kumari P, Murray C, Berenbom L, Pimentel R, Emert M, Dendi R, Salmons J, Lakkireddy D. Prevalence of Posttraumatic Stress Disorder, Anxiety, Depression, Phantom Shocks and Lead Failure in Patients with Medtronic Sprint Fidelis ICD Leads. Presented at the 2010 Heart Rhythm Society Annual Meeting, May 12-15 2010, Denver Colorado.
  • Pillarisetti J, Biria M, Emert M, Chotia R, Guda R, Vacek J, Dendi R, Pimentel R, Berenbom L, Lakkireddy D. Reasons for Under-Utilization of Implantable Cardioverter Defibrillators in Patients with Heart Failure. Presented at the 2010 Heart Rhythm Society Annual Meeting, May 12-15 2010, Denver Colorado.
  • Biria M, Pillarisetti J, Reddy N, Murray C, Patel P, Vanga S, Dendi R, Pimentel R, Emert M, Berenbom L, Vacek J, Lakkireddy D. Elevated Beta Natriuretic Peptide Levels in Patients with Atrial Fibrillation: Is it a Predictor of Successful Ablation or a Mere Function of Point in Time Atrial Rhythm? Presented at the 2010 Heart Rhythm Society Annual Meeting, May 12-15 2010, Denver Colorado.
Last modified: Feb 20, 2012

Loren D. Berenbom, MD

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Loren D. Berenbom, MD
Professor of Medicine - Cardiology
Director, Bloch Heart Rhythm Center

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