Niraj Doctor, MD

About Niraj

Dr. Niraj Doctor received his medical degree from Pramukhswami Medical College in Gujarat, India in 1999. He completed his Residency in Internal Medicine at Cedars-Sinai West Los Angeles VA Hospital and finished his Fellowship in Cardiology at North Shore Long Island Jewish Medical Center and Lenox Hill Hospital in New York in 2017. Dr. Niraj Doctor is board certified in Internal Medicine, Echocardiography, CT, Nuclear Cardiology and Cardiovascular Disease.

Dr. Niraj Doctor was nominated for the UCLA Soloman Scholars Program during his residency. He was also nominated for the distinguished Paul Rubenstein, MD 2010 Award for Excellence in Resident Research. Dr. Niraj Doctor has been a part of numerous clinical research studies to further advance the treatment of Cardiovascular Disease. He also has an extensive academic background having published many publications and continues to practice medicine with the knowledge of the most advanced and current treatment options. He brings high quality, patient-centered care to our community.

Dr. Niraj Doctor enjoys spending time with his wife and children.

Medical Interests Publications

Manuscripts:

• Mohammad A. Aminzadeh, Madeleine V. Pahl, Cyril H Barton, Niraj S. Doctor, Nosratola D. Vaziri. Human Uremic Plasma Stimulates Release of Leptin and Uptake of Tumor Necrosis Factor-Α in Visceral Adipocytes. Nephrol Dial Transplant. 2009 Dec;24(12):3626-31.
• Tarun Chakravarty, Anthony J. White, Mamta H. Buch, Hursh Naik, Niraj Doctor, Jay Schapira, Saibal Kar, James S. Forrester, Robert E. Weiss, Raj Makkar. Meta-analysis of Incidence, Clinical Characteristics and Implications of Stent Fracture. Am J Cardiol. 2010 Oct 15;106(8):1075-80.
• Tarun Chakravarty, Mamta Buch, Hursh Naik, Anthony J White, Niraj Doctor, Jay Schapira, James M. Mirocha, Gregory Fontana, James S. Forrester, Raj Makkar. Predictive Accuracy of SYNTAX Score for Predicting Long-term Outcomes of Unprotected Left Main Coronary Artery (ULMCA) Revascularization. Am J Cardiol. 2011
• Tarun Chakravarty, Ryan P. Morrissey, Brett Wertman, Jesse Naghi, Stanley Chou, Pavel Goykhman, Sean Hirota, Niraj Doctor, James Mirocha, James S. Forrester, Raj Makkar. Comparison of Drug-eluting Stents to Bare Metal Stents for Saphenous Vein Graft Stenosis: 4-year Follow-up Analysis. Catheterization and Cardiovascular Interventions 2011
• Chakravarty T, Jilaihawi H, Doctor N, Fontana G, Forrester JS, Cheng W, Makkar R. Complications after transfemoral transcatheter aortic valve replacement with a balloon-expandable prosthesis: The importance of preventative measures and contingency planning. Catheterization and Cardiovascular Interventions 2013.
• Jilaihawi H, Kar S, Doctor N, Fontana G, Makkar R. Contemporary application of cardiovascular hemodynamics: transcatheter aortic valve interventions. Cardiol Clin. 2011 May;29(2):211-22.
• Jilaihawi H, Kashif M, Fontana G, Furugen A, Shiota T, Friede G, Makhija R, Doctor N, Leon MB, Makkar RR. Cross-sectional computed tomographic assessment improves accuracy of aortic annular sizing for transcatheter aortic valve replacement and reduces the incidence of paravalvular aortic regurgitation. J Am Coll Cardiol. 2012 Apr 3;59(14):1275-86.
• Jilaihawi H, Doctor N, Kashif M, Chakravarty T, Rafique A, Makar M, Furugen A, Nakamura M, Mirocha J, Gheorghiu M, Stegic J, Okuyama K, Sullivan DJ, Siegel R, Min JK, Gurudevan SV, Fontana GP, Cheng W, Friede G, Shiota T, Makkar RR. Aortic annular sizing for transcatheter aortic valve replacement using cross-sectional 3-dimensional transesophageal echocardiography. J Am Coll Cardiol. 2013.
• Mamoo Nakamura, Tarun Chakravarty, Hasan Jilaihawi, Niraj Doctor, Suhail Dohad, Gregory Fontana, Wen Chen, Raj R. Makkar. Complete Percutaneous Approach for Arterial Access in Transfemoral Transcatheter Aortic Valve Replacement – A Comparison with Surgical Cutdown and closure. Catheter Cardiovasc Interv 2013 Jul 19 doi 10.1002/ccd.25130
• Jilaihawi H, Makkar RR, Kashif M, Okuyama K, Chakravarty T, Shiota T, Friede G, Nakamura M, Doctor N, Rafique A, Shibayama K, Mihara H, Trento A, Cheng W, Friedman J, Berman D, Fontana GPA revised methodology for aortic-valvar complex calcium quantification for transcatheter aortic valve implantation. Eur Heart J Cardiovasc Imaging. 2014 Dec;15(12):1324-32. doi: 10.1093/ehjci/jeu162. Epub 2014 Sep 3.
• Jilaihawi H, Chakravarty T, Shiota T, Rafique A, Harada K, Shibayama K, Doctor N, Kashif M, Nakamura M, Mirocha J, Rami T, Okuyama K, Cheng W, Sadruddin O, Siegel R, Makkar R Heart-rate adjustment of transcatheter haemodynamics improves the prognostic evaluation of paravalvular regurgitation after transcatheter aortic valve implantation. EuroIntervention. 2014 Dec 16. pii: 20140716-01. doi: 10.4244/EIJY14M12_08
• Hasan Jilaihawi, Niraj Doctor, Tarun Chakravarty, Mohammad Kashif, James Mirocha, Wen Cheng, Michael Lill, Mamoo Nakamura, Mitch Gheorghiu,and Raj R. Makkar. Major Thrombocytopenia after Balloon-ExpandableTranscatheter Aortic Valve Replacement: Prognostic Implications and Comparison to Surgical Aortic Valve Replacement Catheter Cardiovasc Interv 2014 doi: 10.1002/ccd.25430
• Doctor NS, Shah AB, Coplan N, Kronzon I. Acute Pericarditis: Review. Prog Cardiovasc Dis. 2016 Dec 10. pii: S0033-0620(16)30138-4. doi: 10.1016/j.pcad.2016.12.001.

Book Chapter:

• Hursh Naik; Niraj Doctor; Gregory Fontana; Raj Makkar. CT for Percutaneous Aortic Valve Replacement. Revisiting Cardiac Anatomy In Post-Netter, Computed Tomography Era (Editors: Farhood Saremi, Eloisa Arbustini, Stephan Achenbach, and Jagat Narula)
• Jilaihawi H, Kar S, Doctor N, Fontana G, Makkar R. Contemporary application of cardiovascular hemodynamics: Transcatheter aortic valve interventions. Cardiol Clin. 2011 May;29(2):211-22.

Abstracts:
Oral Presentations

• Tarun Chakravarty, Mamta Buch, Anthony J. White, Hursh Naik, Niraj Doctor, Jay Schapira, Saibal Kar, James S. Forrester, Robert E. Weiss, Raj Makkar. Incidence, Clinical Characteristics and Implications of Coronary Stent Fracture: A Meta-analysis of 5321 patients. Oral presentation, AHA Scientific Sessions.2009, Orlando, Florida.
• Tarun Chakravarty, Ryan P. Morrissey, Anthony J. White, Niraj Doctor, Alfredo Trento, Gregory P. Fontana, Suhail Dohad, James Mirocha, James S. Forrester, Raj Makkar. Percutaneous Coronary Intervention (PCI) is Equivalent to Coronary Artery Bypass Grafting (CABG) for Unprotected Left Main Coronary Artery Disease: Longest Available Follow-up. Oral presentation, AHA Scientific Sessions 2010, Chicago.
• Hasan Jilaihawi, Niraj Doctor, Tarun Chakravarty, Omar R. Sadruddin, Mohammad Kashif, Wen Cheng, Mamoo Nakamura, Jasminka Stegic, Tracy Salseth, Mitch Gheorghiu, Raj Makkar. Major Thrombocytopenia after Transcatheter Aortic Valve Replacement. Oral presentation, ACC, 2013.
• Asim M Rafique, Hasan Jilaihawi, Niraj Doctor, Chakravarty Tarun, Mohammad Kashif, Doumanian Aik, Stegic Jasminka, Lauren Contreras, Gheorghiu Mitch, Nakamura Mamoo, Gregory Fontana, Wen Cheng, Raj R. Makkar. Prognostic Value of Elevated Pulmonary Artery Pressure in Patients with Severe Aortic Stenosis Undergoing Transcatheter Aortic Valve Replacement. Oral presentation, AHA Scientific Sessions 2012, Los Angeles.
• Tarun Chakravarty, Niraj Doctor, Hasan Jilaihawi, Jigar Patel, Vinny Ram, Mamoo Nakamura, Mohammad Kashif, Kazuaki Okuyama, Wen Cheng, Raj Makkar.First Report of Atrial Embolization of Edwards-SAPIEN Valve during Transcatheter Mitral Valve-in-Valve Implantation for Degenerative Mitral Bioprosthesis Challenging Case, ACC 2014
• Tarun Chakravarty, Niraj Doctor, Vinny Ram, Amin Manuchehry, Jigar Patel, Hasan Jilaihawi, Abhimanyu (Manu) Uberoi, Raj Makkar, Saibal Kar Successful Fogarty Thrombectomy and Distal Embolic Protection of the Native Coronary Arteries for Extensive Left Main Thrombus arising from the Aortic Valve in a Patient with LVAD Challenging Case, ACC 2014
• Yigal Abramowitz, Tarun Chakravarty, Hasan Jilaihawi, Niraj Doctor, Wen Cheng, Raj Makkar. Balloon Expandable Transcatheter Aortic Valve Implantation Without Pre dilatation or With Moderate Pre dilatation. American Heart Association Scientific Sessions 2014, Chicago

Poster Presentations

• Tarun Chakravarty, Mamta Buch, Hursh Naik, James S. Forrester, Niraj Doctor, James M. Mirocha, Raj Makkar. SYNTAX Score Predicts Major Adverse Cardiovascular and Cerebrovascular Event (MACCE)-free Survival, But Not Overall Survival, In Unprotected Left Main Coronary Artery (ULMCA) Patients Undergoing Percutaneous Coronary Revascularization (PCI): 3-Year Follow-up Analysis. Poster presentation, AHA Scientific Sessions.2009, Orlando, Florida.
• Tarun Chakravarty, Satoshi Matsushita, John Terrovitis, James S. Forrester, Taosheng Li, Konstantinos Malliaras, Anthony J. White, Prabhav Anand, Darryl Davis, Yigiang Zhang, Rachel R. Smith, Niraj Doctor, Eduardo Marbán, Raj Makkar. Thymosin beta-4 enhances cardiosphere-derived cardiac stem cell (CDC)-mediated cardioprotection by promoting CDC migration and angiogenesis via Akt phosphorylation. Poster presentation, AHA Scientific Sessions.2009, Orlando, Florida.
• Tarun Chakravarty, Ryan P. Morrissey, Brett Wertman, Jesse Naghi, Stanley Chou, Pavel Goykhman, Sean Hirota, Niraj Doctor, James Mirocha, James S. Forrester, Raj Makkar. Comparison of Drug-eluting Stents to Bare Metal Stents for Saphenous Vein Graft Stenosis: Longest Available Follow-up Analysis. Poster presentation, AHA Scientific Sessions.2010, Chicago. J. Am. Coll. Cardiol., April 5, 2011; 57: E1347.
• Niraj Doctor, Hasan Jilaihawi, Tarun Chakravarty, Kashif Mohammad, Mamta Buch, Jasminka Stegic, Raj Makkar. Low Incidence of Femoral Vascular Complications with Primary and Repeat Perclose Pre-closing for Balloon Aortic Valvuloplasty: Data from a large PARTNER-contemporary Single Center Series. Poster presentation, ACC.11, April 2-5, 2011, New Orleans, USA. J. Am. Coll. Cardiol., April 5, 2011; 57: E1347.
• Swaminatha V. Gurudevan, Chathuri Padmasekera, Niraj Doctor, Aik Doumanian, Robert J. Siegel, Rajendra Makkar. Acute Hemodynamic Effects of Balloon Aortic Valvuloplasty and Percutaneous Aortic Valve Replacement on Left Ventricular Performance. EAC 2010.
• Niraj Doctor, Ly Tran, Ryan Martin, Anna Skor, Staphnie Chan, Daniel Fink, Mark Noah. Plummer Vinson syndrome: Case Report and Review of Literature. UCLA Solomon Scholars Meeting, 2011.
• Niraj Doctor, Hasan S Jilaihawi, Chakravarty Tarun, Rafiq Asim, Lauren Am Contreras, Stegic Jasminka, Mohammad Kashif, Doumanian Aik, Gheorghiu Mitch, Nakamura Mamoo, Gerald Friede, Raj Makkar. Prevalence of Neoplastic And Non-Neoplastic Incidental Findings as Detected by Computed Tomography in Severe Aortic Stenosis: Single Center PARTNER Trial Data. AHA Scientific Sessions 2012, Los Angeles.
• Mamoo Nakamura, Tarun Chakravarty, Hassanian Al-Jilaihawi, Niraj Doctor, Suhail Dohad, Gregory Fontata, Wen Cheng, Raj R. Makkar. Complete percutaneous approach for arterial access and closure for device deployment in the transfemoral transcatheter aortic valve replacement - a comparison with surgical cut-down. TCT 2012.
• Mamoo Nakamura, Tarun Chakravarty, Hassanian Al-Jilaihawi, Niraj Doctor, Suhail Dohad, Gregory Fontata, Wen Cheng, Raj R. Makkar. Major Vascular Complication and Its Management After Complete Percutaneous Arterial Access and Closure in Transfemoral Transcatheter Aortic Valve Replacement. TCT 2012.
• Asim M Rafique, Hasan Jilaihawi, Niraj Doctor, Chakravarty Tarun, Mohammad Kashif, Doumanian Aik, Stegic Jasminka, Lauren Contreras, Gheorghiu Mitch, Nakamura Mamoo, Gregory Fontana, Wen Cheng, Raj R. Makkar. Prognostic Value of B-type Natriuretic Peptide in Patients with Severe Aortic Stenosis Undergoing Transcatheter Aortic Valve Replacement. AHA Scientific Sessions 2012, Los Angeles.
• Kazuaki Okuyama, Hasan Jilaihawi, Niraj Doctor, Omar Sadruddin, Mohammad Kashif, Tarun Chakravarty, Mamoo Nakamura, Wen Cheng, Saibal Kar, Raj Makkar Left Ventricular Pseudoaneurysm Closure after Transapical Transcatheter Aortic Valve Replacement. TCT Challenging Case 2013, San Francisco
• Kazuaki Okuyama, Hasan Jilaihawi, Niraj Doctor, Omar Sadruddin, Mohammad Kashif, Tarun Chakravarty, Mamoo Nakamura, Wen Cheng, Raj Makkar. TAVR with significant underfilling of the Edwards Sapien delivery balloon in a very small annulus. TCT Challenging Case 2013, San Francisco
• Tarun Chakravarty, Hasan Jilaihawi, Amit Noheria, Niraj Doctor, Jigar Patel, Wen Cheng, Raj Makkar.Impact of Moderate-Severe Mitral Regurgitation on Outcomes after Transcatheter Aortic Valve Replacement: Meta-Analysis of 8 Studies Comprising 6166 Patients, ACC 2014
• Tarun Chakravarty, Richard Cheng, Yigal Abramowitz, Amit Noheria, Hasan Jilaihawi, Niraj Doctor, Wen Cheng, Raj Makkar. Incidence, Clinical Outcomes and Factors Influencing Permanent Pacemaker Implantation after Transcatheter Aortic Valve Replacement – A Meta-Analysis of 93 Studies including 37,836 Patients. American Heart Association Scientific Sessions 2014, Chicago.
• Asim M Rafique, Hasan Jilaihawi, Tarun Chakravarty, Niraj Doctor, Mohammad Kashif, mitch Gheorghiu, Wen Cheng, Raj Makkar. Prognostic Value of Restrictive Left Ventricular Filling in Patients Undergoing Trans-catheter or Surgical Aortic Valve Replacement. American Heart Association Scientific Sessions 2014, Chicago.
• Asim M Rafique, Hasan Jilaihawi, Tarun Chakravarty, Niraj Doctor, Reza Arsanjani, Antoine Hage, Mohammad Kashif, Mitch Gheorghiu, Raj Makkar. Determinants and Prognostic Value of Pulmonary Hypertension in Patients Undergoing Trans-catheter or Surgical Aortic Valve Replacement. American Heart Association Scientific Sessions 2014, Chicago.
• Tarun Chakravarty, Hasan Jilaihawi, Yigal Abramowitz, Niraj Doctor, Mohammad Kashif, Mamoo Nakamura, Abhijeet Dhoble, Jorge Castellanos, Jigar Patel, Wen Cheng, Raj Makkar. Percutaneous Approach for Severe Paravalvular and Central Aortic Regurgitation due to Bioprosthetic Aortic Valve Degeneration: Staged Transcatheter Paravalvular Leak Closure followed by valve-in-valve Implantation TCT, September, 2014, Washington DC
• Tarun Chakravarty, Kazuaki Okuyama, Hasan Jilaihawi, Yigal Abramowitz, Mohammad Kashif, Niraj Doctor, Mamoo Nakamura, Abhijeet Dhoble, Jorge Castellanos, Jigar Patel, Wen Cheng, Raj Makkar. First Report of Transapical Approach for Left Ventricular Pseudoaneurysm Closure after Transcatheter Aortic Valve Replacement,TCT, September, 2014, Washington DC