Gareth Morgan, MD
Associate Professor, Pediatrics-Cardiology

Medical Schools:
  • MB ChB, The Queen's University of Belfast, UK (1999)
  • BAO, The Queen's University of Belfast, UK (1999)
Graduate School :
  • MPhil, Queen's University of Belfast, The (2006)
  • Queen's University Faculty of Health Sciences (2000)
  • The Royal Victoria Hospital and Royal Belfast Hospital for Sick Children, Pediatric Cardiology (2004)
  • Hospital for Sick Children, Canada, Pediatric Cardiology (2010)
  • University Hospitals Bristol, Pediatric Cardiology (2008)
Department: Pediatrics-Cardiology

Professional Titles

  • Associate Professor, Pediatrics-Cardiology
  • Congenital Interventional Cardiologist


  • Schäfer M, Frank BS, Ivy DD, Wilson N, Morgan GJ, Barker AJ, Browne LP, Mitchell MB, Truong U. Close look at the Potts shunt flow hemodynamics in a patient with severe pulmonary hypertension: 4D-flow MRI evaluation. J Magn Reson Imaging. 2018 Nov 19. [Epub ahead of print] PubMed PMID: 30451346
  • Schäfer M, Browne LP, Morgan GJ, Barker AJ, Fonseca B, Ivy DD, Mitchell MB. Reduced proximal aortic compliance and elevated wall shear stress after early repair of tetralogy of Fallot. J Thorac Cardiovasc Surg. 2018 Dec;156(6):2239-2249. PubMed PMID: 30449579
  • Zablah JE, Fry R, Ross M, Wilson N, Morgan G. Using in vitro model to assess stent-stent interaction in patients with coronary artery compression. J Interv Cardiol. 2018 Oct 28. [Epub ahead of print] PubMed PMID: 30370575
  • McLennan D, Morgan G. Infective Endocarditis, a Rare Complication of Late Neonatal Group B Strep Sepsis. Front Pediatr. 2018;6:274. PubMed PMID: 30338251
  • Morgan GJ. Pulmonary Regurgitation- Is the Future Percutaneous or Surgical?. Front Pediatr. 2018;6:184. PubMed PMID: 30042933
  • Schäfer M, Wilson N, Ivy DD, Ing R, Abman S, Browne LP, Morgan G, Ross M, McLennan D, Barker AJ, Fonseca B, Di Maria M, Hunter KS, Truong U. Noninvasive wave intensity analysis predicts functional worsening in children with pulmonary arterial hypertension. Am J Physiol Heart Circ Physiol. 2018 Oct 1;315(4):H968-H977. PubMed PMID: 30004811
  • Schäfer M, Browne LP, Truong U, Jaggers JJ, Mitchell MB, Malone L, Morgan G, Chatfield K, McLennan D, Turbendian H, Vargas D, Fonseca B, DiMaria M, Shah A, Ivy MP, Barker AJ, Hunter KS, Wilson N, Ivy DD, Campbell DN. Aortic stiffness in adolescent Turner and Marfan syndrome patients. Eur J Cardiothorac Surg. 2018 Apr 19. [Epub ahead of print] PubMed PMID: 29684119
  • Schäfer M, Morgan GJ, Mitchell MB, Ross M, Barker AJ, Hunter KS, Fonseca B, DiMaria M, Vargas D, Ivy DD, Wilson N, Browne LP. Impact of different coarctation therapies on aortic stiffness: phase-contrast MRI study. Int J Cardiovasc Imaging. 2018 Sep;34(9):1459-1469. PubMed PMID: 29667078
  • Kapravelou E, Anderson D, Morgan GJ. Hybrid Strategy for High-Risk Neonates with Interrupted Aortic Arch: A Can Well Worth Kicking?. Int J Angiol. 2018 Mar;27(1):50-53. PubMed PMID: 29483768
  • Morgan GJ, Ciuffreda M, Spadoni I, DeGiovanni J. Optimus covered stent: Advanced covered stent technology for complex congenital heart disease. Congenit Heart Dis. 2018 May;13(3):458-462. PubMed PMID: 29468813
  • Morgan GJ, Pushparajah K, Narayan S, Rosenthal E. Large Calibre Self-Expanding Stents for Pulmonary Stenosis After the Arterial Switch, a Low-Risk Solution to a Low-Flow Situation. Pediatr Cardiol. 2018 Apr;39(4):824-828. PubMed PMID: 29468351
  • Schäfer M, Truong U, Browne LP, Morgan GJ, Ross M, Ing R, Hunter KS, Kheyfets VO, Abman SH, Ivy DD, Wilson N. Measuring Flow Hemodynamic Indices and Oxygen Consumption in Children with Pulmonary Hypertension: A Comparison of Catheterization and Phase-Contrast MRI. Pediatr Cardiol. 2017 Oct 17. [Epub ahead of print] PubMed PMID: 29043395
  • Crystal MA, Morgan GJ, Danon S, Gray RG, Gruenstein DH, Gordon BM, Goldstein BH. Serial Versus Direct Dilation of Small Diameter Stents Results in a More Predictable and Complete Intentional Transcatheter Stent Fracture: A PICES Bench Testing Study. Pediatr Cardiol. 2017 Oct 4. [Epub ahead of print] PubMed PMID: 28980053
  • Morgan GJ, Kenny D, Duke C, Walsh KP, Qureshi SA. Initial assessment of a novel delivery system (NuDEL™ ®) for the covered Cheatham-Platinum stent. Cardiol Young. 2017 Oct;27(8):1465-1469. PubMed PMID: 28857726
  • Kang SL, Jivanji S, Mehta C, Tometzki AJ, Derrick G, Yates R, Khambadkone S, de Giovanni J, Stumper O, Dhillon R, Bhole V, Slavik Z, Rigby M, Noonan P, Smith B, Knight B, Richens T, Wilson N, Walsh K, James A, Thomson J, Bentham J, Hayes N, Nazir S, Adwani S, Shauq A, Ramaraj R, Duke C, Taliotis D, Kudumula V, Yong SF, Morgan G, Rosenthal E, Krasemann T, Qureshi S, Crossland D, Hermuzi T, Martin RP. Outcome after transcatheter occlusion of patent ductus arteriosus in infants less than 6 kg: A national study from United Kingdom and Ireland. Catheter Cardiovasc Interv. 2017 Aug 11. [Epub ahead of print] PubMed PMID: 28799706
  • Goreczny S, Qureshi SA, Rosenthal E, Krasemann T, Nassar MS, Anderson DR, Morgan GJ. Comparison of self-expandable and balloon-expanding stents for hybrid ductal stenting in hypoplastic left heart complex. Cardiol Young. 2017 Jul;27(5):837-845. PubMed PMID: 28555538
  • Goreczny S, Dryzek P, Morgan GJ, Lukaszewski M, Moll JA, Moszura T. Novel Three-Dimensional Image Fusion Software to Facilitate Guidance of Complex Cardiac Catheterization : 3D image fusion for interventions in CHD. Pediatr Cardiol. 2017 Aug;38(6):1133-1142. PubMed PMID: 28551818
  • Wadia SK, Accavitti MJ Jr, Morgan GJ, Kenny D, Hijazi ZM, Jones TK, Cabalka AK, McElhinney DB, Kavinsky CJ. Transcatheter interventions in adults with congenital heart disease: Surveys from the Society for Cardiovascular Angiography and Interventions to identify current patterns of care and perception on training requirements. Catheter Cardiovasc Interv. 2017 Sep 1;90(3):418-424. PubMed PMID: 28493591
  • Goreczny S, Bedair R, Bilska K, Morgan G. Retrieving a large embolised atrial septal occluder - hooked… and landed. Kardiol Pol. 2017;75(3):277. PubMed PMID: 28326525
  • Góreczny S, Dryzek P, Morgan GJ, Mazurek-Kula A, Moll JJ, Moll JA, Qureshi S, Moszura T. Fenestration closure with Amplatzer Duct Occluder II in patients after total cavo-pulmonary connection. Arch Med Sci. 2017 Mar 1;13(2):337-345. PubMed PMID: 28261286
  • Carmo Mendes I, Heard H, Peacock K, Krasemann T, Morgan GJ. Echocardiographic Versus Angiographic Assessment of Patent Arterial Duct in Percutaneous Closure: Towards X-ray Free Duct Occlusion?. Pediatr Cardiol. 2017 Feb;38(2):302-307. PubMed PMID: 28078384
  • Bali S, Morgan G, Nyman A, Turcu S, Durward A. A case for the therapeutic use of perfluorocarbon in pulmonary atelectasis. Thorax. 2017 May;72(5):478-480. PubMed PMID: 27999169
  • Goreczny S, Moszura T, Dryzek P, Lukaszewski M, Krawczuk A, Moll J, Morgan GJ. Three-dimensional image fusion guidance of percutaneous pulmonary valve implantation to reduce radiation exposure and contrast dose: A comparison with traditional two-dimensional and three-dimensional rotational angiographic guidance. Neth Heart J. 2017 Feb;25(2):91-99. PubMed PMID: 27966187
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Professional Memberships

  • Royal College of Pediatrics and Child Health, Member

Practice Locations

UCHealth Adult Congenital Heart Disease - Anschutz
12505 E. 16th Ave
Anschutz Inpatient Pavilion 2, 3rd floor
Aurora, CO 80045

Children's Hospital Colorado
13123 East 16th Ave
Aurora, CO 80045

Hospital Affiliation
  • University of Colorado Hospital
  • Children's Hospital Colorado

Specialty Information

  • Pediatric Cardiology
  • Cardiology
Conditions & Treatments
  • Heart and Circulation - Adult Congenital Heart Disease
  • Heart and Circulation
  • Heart and Circulation - Congenital Heart Disease
  • Heart and Circulation - Interventional Cardiology
  • Heart and Circulation - Heart Valve Diseases
Clinical Interest for Patients
Treatment of congenital heart disease by minimally invasive procedures (cardiac catheterisation)

Care Philosophy
Integrated approach to congenital heart disease combining fetal pediatric and adult congenital heart disease.

Public Speaking
Innovations in percutaneous treatment of congenital heart disease. Improving transition of care from pediatric to adult congenital services.

General Information

Medical Schools:
  • MB ChB, The Queen's University of Belfast, UK (1999)
  • BAO, The Queen's University of Belfast, UK (1999)
Graduate Schools:
  • MPhil, Queen's University of Belfast, The (2006)
  • Queen's University Faculty of Health Sciences (2000)
Residency Programs:
  • The Royal Victoria Hospital and Royal Belfast Hospital for Sick Children, Pediatric Cardiology (2004)
  • Hospital for Sick Children, Canada, Pediatric Cardiology (2010)
  • University Hospitals Bristol, Pediatric Cardiology (2008)
Department: Pediatrics-Cardiology