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Xiaoying Lou

Xiaoying Lou, MD

Cardiac Surgery

Need help scheduling? Call (216) 445-6860

Highlights

Age Groups Seen

  • Adult

Languages

  • Chinese
  • English

Gender

Female

About Xiaoying Lou

Biography

Xiaoying Lou, MD, is a staff cardiac and aortic surgeon in the Department of Thoracic and Cardiovascular Surgery in the  Heart, Vascular and Thoracic Institute (HVTI). She sees patients and performs surgery at Main Campus.

Specialty Interests: Aortic valve replacement; bicuspid aortic valve; surgery for aortic aneurysms and dissections, including minimally invasive and endovascular (stenting) interventions; hereditary thoracic aortic disease; connective tissue disorders; transcatheter valve interventions; re-operative cardiac surgery; coronary artery bypass grafting (CABG)

Experience and Outcomes: Cleveland Clinic performs more than 5,000 heart surgeries each year. All Cleveland Clinic cardiac surgeons complete between 300-400 cardiac cases per year. As one of the nation's highest-volume cardiac surgical centers, Cleveland Clinic treats highly complex and critically ill patients, performing procedures that only a handful of surgeons across the country can do. View success rates and outcomes HERE

Learn more about the Cardiovascular Surgery Department HERE.

Education: Dr. Lou is a graduate of Northwestern University Feinberg School of Medicine, Chicago. She also holds a Master of Science in Clinical Research from Emory University, Atlanta, which she earned while she completed her thoracic surgery residency there. She came to Cleveland Clinic in 2022 for an advanced aortic surgery fellowship after her residency and was named to the Cleveland Clinic staff in 2023.

Research, Publications and Speaking: Dr. Lou has been involved in research since 2007, beginning with an American Heart Association (AHA) research scholarship and internship while she was still an undergraduate. She has coauthored more than three dozen research papers in peer-reviewed medical journals, including more than two dozen papers on which she is the lead author. She is a reviewer for Journal of Cardiothoracic Surgery and Frontiers in Cardiovascular Medicine and an abstract reviewer for the Society of Thoracic Surgeons.

Dr. Lou has made numerous research presentations at national medical meetings, including the annual meetings of the Society of Thoracic Surgeons (STS), American Association for Thoracic Surgery (AATS) and AHA.

About Dr. Lou: “I was drawn to cardiothoracic surgery by its intellectual and technical challenges, fueled by its demand for precision, excellence and innovation. Nothing is more meaningful than being able to make a priceless difference in someone’s life. Caring for patients at their most vulnerable is a privilege - one that I recognize is always earned and never a given. I am committed to providing each patient with the best care possible, with compassion, dedication, and humility - as I would for my own family.”

Leisure Activities: During her nonworking hours, Dr. Lou enjoys painting, tennis, yoga, traveling and spending time with family.

Videos: To learn more about Dr. Lou and her expertise, watch her videos HERE or those listed on HeartValveSurgery.com.

Locations

  1. Cleveland Clinic Main Campus
    • phone:
    • fax:

Education & Board Certifications

Education

  • Residency: Emory University, 2022
  • Medical Education: Northwestern University Feinberg School of Medicine, 2015
  • Undergraduate: University of Minnesota-Twin Cities, 2011

Board Certifications

  • Thoracic and Cardiac Surgery: American Board of Thoracic Surgery, 2023

Professional Highlights

  • Director, Cleveland Clinic HVTI medical student rotation program
  • Past-president, Thoracic Surgery Residents Association
  • Participation in numerous national committees, including AHA Early Career Committee of the Council on Cardiovascular Surgery and Anesthesia and AATS Residents and Education committees
  • Research presentations at numerous national and international medical meetings, including annual meetings of the STS, AATS, AHA and the Heart Valve Society
  • National Institutes of Health (NIH)/National Center for Advancing Translational Sciences (NCATS) Georgia Clinical and Translational Science Alliance TL1 Postdoctoral Research Training Award to complete master’s degree in clinical research as a resident at Emory 2018-2019

Additional Training

Advanced Aortic Fellowship, Cleveland Clinic, 2022-2023

Awards

  • 2018 NIH/NCATS Georgia Clinical and Translational Science Alliance TL1 Postdoctoral Research Training Award
  • 2017 Scholarship, Women in Thoracic Surgery
  • 2014 James W. Brooks Medical Student Scholarship, Southern Thoracic Surgical Association
  • 2014 "Member for a Day" Program, AATS Annual Meeting
  • 2012 Summer Intern Scholarship, AATS
  • 2010 Goldwater Scholar
  • 2007 National Merit Scholar

Innovations & Patents

  • Clinical outcomes

Research & Publications

See publications for this provider. (Disclaimer: This search is powered by PubMed, a service of the U.S. National Library of Medicine. PubMed is a third-party website with no affiliation with Cleveland Clinic.)

Industry Relationships

Cleveland Clinic physicians and scientists collaborate with industry to advance medical breakthroughs. These partnerships help commercialize discoveries for public benefit while maintaining scientific integrity. To ensure transparency and minimize potential bias, Cleveland Clinic reviews these relationships and publicly discloses when physicians/scientists receive significant compensation for consulting, serve in fiduciary roles, receive royalties, or hold equity interests related to their work. We manage potential conflicts through approval processes, annual reporting, and targeted management plans.

As of 2025-09-24, Dr. Lou has reported no financial relationship with industry that is applicable to this listing.

In general, patients should feel free to contact their doctor about any of the relationships and how the relationships are overseen by Cleveland Clinic. To learn more about Cleveland Clinic's policies on collaborations with industry and innovation management, go to our Integrity in Innovation page.

Public Health Service-Reportable Financial Conflicts of Interest. Cleveland Clinic scientists and physicians engage in basic, translational and clinical research activities, working to solve health problems, enhance patient care and improve quality of life for patients. Interactions with industry are essential to bringing the researchers' discoveries to the public, but can present the potential for conflicts of interest related to their research activities. Click here to view a listing of instances where Cleveland Clinic has identified a Public Health Service (PHS)-Reportable Financial Conflict of Interest and has put measures in place to ensure that, to the extent possible, the design, conduct and reporting of the research is free from bias.

* Cleveland Clinic physicians and scientists subscribe to the guidance presented in the PhRMA Code on Interactions with Healthcare Professionals and the AdvaMed Code of Ethics on Interactions with Health Care Professionals. As such, gifts of substantial value are generally prohibited.

Insurances Accepted

Review a list of accepted insurance plans for our Northeast Ohio locations or learn more about purchasing a contracted managed care plan.

Video

Ratings & Reviews

4.9 out of 5

131 ratings, 9 reviews

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

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Courtesy Respect & Concern
Patient Rating of Doctor
Search reviews
    5 out of 5 stars
    Reviewed on 4/6/2026

    Although we waited a long time, Dr Lou was well worth the wait . Pray my open heart surgery goes as planned .

    5 out of 5 stars
    Reviewed on 1/14/2026

    Dr Lou staff or fabulous especially Stephanie was the most helpful and receiving and requesting test results.

    5 out of 5 stars
    Reviewed on 1/14/2026

    Dr. Lou is a rockstar! Nurse Luke was awesome to have throughout my recovery.

    5 out of 5 stars
    Reviewed on 12/19/2025

    Extreme medical knowledge & skill of the highest level. So very grateful & blessed - thank you - from surgeon & ICU... very high level medical care - great team effort from entire organization, admin. - maintenance, doctor, nurses, PT specialty etc., food delivery. They were all well done.

    5 out of 5 stars
    Reviewed on 11/21/2025

    All staff very attentive, caring and supportive. From the Doctors. Nurses, to housekeeping. Everyone has bee truly caring and supportive.

    5 out of 5 stars
    Reviewed on 11/7/2025

    She is an absolute Star! Very well prepared, compassionate and empathetic, listened to my needs and concerns, and celebrated my/our success!

    5 out of 5 stars
    Reviewed on 8/4/2025

    Dr. Lou has been very helpful to us.

    5 out of 5 stars
    Reviewed on 7/22/2025

    Sheesh, hit all of the above attributes with a Level 10! Icing on the cake was putting my wife and I at great ease regarding the procedures to come, boosted our confidence in her skills as a doctor, and of the operating team and services we'd encounter in the next week as I'd recover. Especially liked the heart artwork that laid out the areas to be addressed and how it would be accomplished.

    5 out of 5 stars
    Reviewed on 5/4/2025

    Dr Lou was very through explaining my problem and the options that I have to fix it.