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Physician ReviewerMBBS, MD (Cardiothoracic Surgery), FACS

Dr. Naresh Trehan, MBBS, MD, FACS

Chairman & Chief Cardiac Surgeon, Medanta – The Medicity

License VerifiedActive & In Good Standing

ID: DMC-11480

Delhi Medical Council (DMC) & Medical Council of India (MCI)

Professional Background & Bio

Dr. Naresh Trehan is a world-renowned cardiovascular and cardiothoracic surgeon, Founder, and Chairman of Medanta – The Medicity, Gurugram. With over 40 years of pioneering surgical experience, he has performed more than 48,000 successful open-heart surgeries and leads cardiovascular clinical literacy at mediguide4u.

Medical Specialization

Cardiothoracic Surgery, Interventional Cardiology, Coronary Artery Bypass Grafting (CABG)

Clinical Experience

40+ Years Cardiovascular Surgery & Clinical Leadership

Hospital / Clinical Affiliation

Chairman & Managing Director, Medanta – The Medicity, Gurugram, Delhi NCR

Education & Medical Training
  • Diplomate - American Board of Cardiothoracic Surgery, USA
  • Cardiothoracic Surgery Fellowship - New York University Medical Center (NYU), New York
  • MBBS - King George's Medical University (KGMU), Lucknow

Academic Thesis & Medical Research

250+ Peer-Reviewed Publications & Clinical Textbooks
Postgraduate Thesis / Dissertation Title:

“Myocardial Revascularization and Hemodynamic Stabilization in Off-Pump Coronary Artery Bypass Grafting (OPCAB)”

Institution: New York University Medical Center (NYU) & KGMU

Seminal surgical research on novel techniques for total arterial revascularization, beating-heart bypass mechanics, and organ preservation during high-risk cardiothoracic surgery without cardiopulmonary bypass.

Key Investigative & Clinical Research Domains:
• Off-Pump Coronary Artery Bypass (OPCAB) Protocols• Myocardial Protection & Ischemic Preconditioning• Transmyocardial Laser Revascularization (TMR)• Robotic Minimally Invasive Cardiac Surgery

Clinical Areas Reviewed for mediguide4u:

Coronary Artery Disease & Heart Attack PreventionHypertension & Arterial HealthValvular Heart Disease & Minimally Invasive Cardiac SurgeryCardiovascular Exercise & Lipid OptimizationArrhythmias & Heart Failure Protocols
Conflict-of-Interest & Editorial Independence Disclosure

Dr. Trehan reports zero commercial conflicts of interest or pharmaceutical sponsorships. Clinical reviews adhere strictly to ESC, AHA, and CSI practice guidelines.

Articles Written by Dr. Naresh Trehan, MBBS, MD, FACS

Educational healthcare resources created for public health literacy.

7 Authored
Coronary Artery Disease: Warning Signs, Risk Factors, and Medical ManagementHeart Health
2026-08-0810 min read

Coronary Artery Disease: Warning Signs, Risk Factors, and Medical Management

Coronary Artery Disease (CAD) is the leading cause of mortality worldwide, resulting from atherosclerotic plaque accumulation within the epicardial coronary vessels. Explore modern diagnostic algorithms (Coronary Artery Calcium scoring, CT Coronary Angiography), medical management (high-intensity statins, beta-blockers, ACE inhibitors), and revascularization indications.

Heart HealthRead Guide
Atrial Fibrillation (AFib): Symptoms, Stroke Risks, and Rate Control StrategiesHeart Health
2026-08-089 min read

Atrial Fibrillation (AFib): Symptoms, Stroke Risks, and Rate Control Strategies

Atrial Fibrillation (AFib) is the most common sustained cardiac arrhythmia, characterized by chaotic, disorganized electrical impulses firing in the atria at 300–600 bpm. Explore clinical stroke risk stratification using the CHA2DS2-VASc score, modern Direct Oral Anticoagulants (DOACs), rate vs. rhythm control strategies, and catheter pulmonary vein isolation.

Heart HealthRead Guide