Jennifer Lawton, M.D.

Jennifer Sue Lawton, M.D.

Headshot of Jennifer Lawton
  • Richard Bennett Darnall Professor of Cardiac Surgery
  • Professor of Surgery


Aortic Aneurysms, Aortic Dissections, Aortic Surgery, Cardiac Care, Cardiac Masses, Cardiac Surgery, Cardiothoracic Surgery, Cardiovascular Disease, Cardiovascular Surgery, Coronary Artery Bypass Graft Surgery (CABG), Coronary Artery Disease, Coronary Bypass Surgery, Heart Bypass, Heart Conditions, Heart Failure, Ischemic Heart Disease, Minimally Invasive Aortic Valve Replacement, Minimally Invasive Cardiac Surgery, Mitral Stenosis, Mitral Valve Repair, Off Pump Coronary Artery Bypass Grafting, Pacemakers, Pericardial constriction, Valvular Heart Surgery more

Research Interests

Myocyte Volume Regulation; ATP-Sensitive Potassium Channels; Myocardial Protection more

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Outside of Maryland & Washington D.C.

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Johns Hopkins Medicine - Green Spring Station

Appointment Phone: 410-955-2800
10755 Falls Road
Pavilion I Suite 360
Lutherville, MD 21093 map

The Johns Hopkins Hospital (Main Entrance)

Appointment Phone: 410-955-2800
1800 Orleans St.
Baltimore, MD 21287 map


Jennifer S. Lawton, M.D., is the Richard Bennett Darnall Professor of Surgery and chief of the Johns Hopkins Division of Cardiac Surgery, as well as director of the Cardiac Surgery Research Laboratory.

Dr. Lawton’s clinical area of focus is adult cardiac surgery. She also leads the division’s residency education program, and conduct research in myocyte volume regulation and ATP-sensitive K channels.

She has held important leadership roles in several organizations, including chair of the surgery study section of the American Heart Association, vice-chair of the ACGME residency review committee, and president of the Women in Thoracic Surgery.  Lawton’s achievements also include 81 peer-review publications, 7 book chapters, and 18 abstracts. She has delivered over 50 invited lectures. more


  • Richard Bennett Darnall Professor of Cardiac Surgery
  • Chief, Division of Cardiac Surgery
  • Director, Cardiac Surgery Research Laboratory
  • Professor of Surgery

Departments / Divisions



  • MD; Medicine; Drexel University College of Medicine (1992)


  • General Surgery; Virginia Commonwealth University Health System (1999)


  • Cardiothoracic Surgery; Penn State Health Milton S Hershey Medical Center (2001)

Board Certifications

  • American Board of Thoracic Surgery (Thoracic and Cardiac Surgery) (2002)

Research & Publications

Selected Publications

View all on PubMed

Selected from 89 publications

Lawton JS, Brister SJ, Petro KR, Dullum M. Surgical Revascularization in Women:  Unique Intraoperative Factors and Considerations. J Thorac Cardiovasc Surg 2003; 126(4):936-8.  PMID 14566226

Lawton JS, Barner HB, Bailey MS, Moazami N, Pasque MK, Moon, MR, Damiano RJ, Jr.  Radial Artery Grafts in Women:  Utilization and Results.  Ann Thorac Surg 2005; 80(2):559-63.  PMID 16039204

Lawton JS, Moazami N, Pasque MK, Moon MR, Damiano RJ Jr.  Early Stenosis of Medtronic Mosaic Porcine Valves in the Aortic Position.  J Thorac Cardiovasc Surg 2009; 137(6):1556-7.  PMID: 19464483

Sellitto AD, Al-Dadah AS, Schuessler RB, Nichols CG, Lawton JS. An Open Sarcolemmal Adenosine Triphosphate-Sensitive Potassium Channel is Necessary for Detrimental Myocyte Swelling Secondary to Stress. Circulation 2011;124[suppl 1]:S70-S74.  PMID:  21911821

Lawton JS, Liu J, Kulshrestha K, Moon MR, Damiano RJ, Maniar H, Pasque MK. The Impact of Surgical Strategy on Survival Following Repair of Type A Aortic Dissection. J Thorac Cardiovasc Surg 2015; 150:294-301.PMID 26005060

Henn MC, Janjua MB, Zhang H, Kanter EM, Makepeace CM, Schuessler RB, Nichols CG, Lawton JS. Cardiac Expressed Gain – of – Function of ATP –Sensitive Potassium Channel Subunit Kir6.1 is Associated with Increased Tolerance to Myocyte Stress. Accepted J Surg Res August 2016.

Activities & Honors


  • Fellow, American Heart Association
  • Invited Attendee, American Association for Thoracic Surgery (AATS) Leadership Academy for Division Chiefs/Potential Chiefs
  • Invited Attendee, American Association for Thoracic Surgery (AATS) Strategic Planning Retreat
  • Named to Best Doctors in St. Louis, 2009 - 2015, St. Louis Magazine
  • National Research Service Award, National Institutes of Health; 1994-1996


  • American Surgical Association
  • Society of Clinical Surgery
  • Fellow, American College of Surgeons
  • American Association for Thoracic Surgery
  • Cardiac Surgery Biology Club
  • Society of Thoracic Surgeons
  • Southern Thoracic Surgical Association
  • Fellow, American Heart Association
  • St. Louis Thoracic Surgery Society
  • Association for Academic Surgery
  • Women in Thoracic Surgery
  • Association of Women Surgeons
  • International Society for Minimally Invasive Cardiac Surgery
  • Associate Member, Washington University Center for the Investigation of Membrane Excitability Diseases (CIMED)

Videos & Media

  • Play Video:

    Aortic Dissection | Rodney's Story

  • Play Video:

    Dr. Jennifer Lawton | Red Chair Series

Patient Ratings & Comments

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