Megan Griffiths, MD $$

Pediatric Cardiologist

Assistant Professor at UT Southwestern Medical Center

Languages Spoken:


UT Southwestern Pediatric Group


Megan Griffiths, M.D., is a pediatric cardiologist at Children's Health and an Assistant Professor at UT Southwestern. She specializes in pulmonary hypertension. She is certified by the American Board of Pediatrics in pediatric cardiology.

Dr. Griffiths with patient Jahelle in the Heart Center at Children's Health.

Dr. Griffiths earned her medical degree at the University of Colorado School of Medicine. She completed a residency in pediatrics at the University of Connecticut and Connecticut Children’s Medical Center, where she served as Chief Resident. She completed a fellowship in pediatric cardiology at Johns Hopkins University and Bloomberg Children’s Center, during which time she was selected as a Fellow in the Pediatric Scientist Development Program. She also completed an advanced fellowship in pulmonary hypertension at Columbia University and Morgan Stanley Children’s Hospital.

Dr. Griffiths is a member of several professional societies, including the American Thoracic Society, the American Heart Association, and the Pulmonary Vascular Research Institute.

Education and Training

Medical School
University of Colorado Health Sciences Center (2013)
University of Connecticut Pediatric GME Program (2017), Pediatrics
Johns Hopkins University School of Medicine - GME (2021), Pediatric Cardiology
Board Certification
American Board of Pediatrics/Pediatric Cardiology

Departments and Programs

  • Research Interests

    • Metabolomics
    • Proteomics
    • Pulmonary vascular disease
    • Risk assessment in pulmonary vascular disease
    • Right heart failure
  • Publications

    • Perinatal Inflammatory Biomarkers and Respiratory Disease in Preterm Infants. Collaco JM, McGrath-Morrow SA, Griffiths M, Chavez-Valdez R, Parkinson C, Zhu J, Northington FJ, Graham EM, Everett AD, J Pediatr 2022 07 246 34-39.e3
    • Cardiac Dysfunction Biomarkers are Associated with Potential for Successful Separation from Extracorporeal Membrane Oxygenation in Children. Coletti K, Griffiths M, Nies M, Brandal S, Everett AD, Bembea MM, ASAIO J 2022 May
    • Proteomics discovery of pulmonary hypertension biomarkers: Insulin-like growth factor binding proteins are associated with disease severity. Nies MK, Yang J, Griffiths M, Damico R, Zhu J, Vaydia D, Fu Z, Brandal S, Austin ED, Ivy DD, Hassoun PM, Van Eyk JE, Everett AD, Pulm Circ 2022 Apr 12 2 e12039
    • COL18A1 genotypic associations with endostatin levels and clinical features in pulmonary arterial hypertension: a quantitative trait association study. Simpson CE, Griffiths M, Yang J, Nies MK, Vaidya D, Brandal S, Martin LJ, Pauciulo MW, Lutz KA, Coleman AW, Austin ED, Ivy DD, Nichols WC, Everett AD, Hassoun PM, Damico RL, ERJ Open Res 2022 Apr 8 2
    • Biomarkers of Pulmonary Hypertension Are Altered in Children with Down Syndrome and Pulmonary Hypertension. Griffiths M, Yang J, Vaidya D, Nies M, Brandal S, Ivy DD, Hickey F, Wolter-Warmerdam K, Austin ED, Mullen M, Pauciulo MW, Lutz KA, Rosenzweig EB, Hirsch R, Yung D, Nichols WC, Everett AD, J Pediatr 2022 02 241 68-76.e3
    • Hepatoma-derived growth factor is associated with pulmonary vascular remodeling and PAH disease severity and survival. Yang J, Ambade AS, Nies M, Griffiths M, Damico R, Vaidya D, Brandal S, Pauciulo MW, Lutz KA, Coleman AW, Nichols WC, Austin ED, Ivy D, Hassoun PM, Everett AD, Pulm Circ 2022 Jan 12 1 e12007
    • The angiostatic peptide endostatin enhances mortality risk prediction in pulmonary arterial hypertension. Simpson CE, Griffiths M, Yang J, Nies MK, Vaidya RD, Brandal S, Martin LJ, Pauciulo MW, Lutz KA, Coleman AW, Austin ED, Ivy DD, Nichols WC, Everett AD, Hassoun PM, Damico RL, ERJ Open Res 2021 Oct 7 4
    • Angiostatic Peptide, Endostatin, Predicts Severity in Pediatric Congenital Heart Disease-Associated Pulmonary Hypertension. Daly CM, Griffiths M, Simpson CE, Yang J, Damico RL, Vaidya RD, Williams M, Brandal S, Jone PN, Polsen C, Ivy DD, Austin ED, Nichols WC, Pauciulo MW, Lutz K, Nies MK, Rosenzweig EB, Hirsch R, Yung D, Everett AD, J Am Heart Assoc 2021 10 10 20 e021409
    • ST2 Is a Biomarker of Pediatric Pulmonary Arterial Hypertension Severity and Clinical Worsening. Griffiths M, Yang J, Simpson CE, Vaidya D, Nies M, Brandal S, Damico R, Ivy DD, Austin ED, Pauciulo MW, Lutz KA, Rosenzweig EB, Hirsch R, Yung D, Nichols WC, Everett AD, Chest 2021 07 160 1 297-306.
    • Megan Griffiths biocommentary. Griffiths M, Pediatr Res 2020 12 88 6 826
  • Professional Activities

    • Pulmonary Hypertension Association (2022)
    • Pulmonary Vascular Research Institute (2021)
    • American Heart Association (2017)
    • American Academy of Pediatrics (2013)
  • Awards and Honors

    • Best Abstract 2022, Leonard Steinfeld Research Symposium, Pediatric Cardiology Society of Greater New York
    • Finalist for Cournand and Comroe Early Career Investigator Award 2021, American Heart Association
    • Francis D. Schwentker Award for excellence in research 2021, Johns Hopkins University
    • Pediatric Scientist Development Program Fellowship 2019-2021, Association of Medical School Pediatric Department Chairs and the National Institutes of Childhood Health and Human Development
    • Featured Early Career Investigator 2020, Pediatric Research, Nature Publications Group
    • Travel Award 2019, American Heart Association
    • Fellow’s Clinical Research Award 2018, Society for Pediatric Research
    • Chief Resident 2016-2017, University of Connecticut
    • Outstanding Resident in Pediatrics 2016, University of Connecticut
    • Residency Commendation 2014-2015, Connecticut Children’s Medical Center
    • Outstanding Student in Psychiatry Clerkship 2011, University of Colorado School of Medicine

Where I Provide Care:

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