Clinical expertise

Dr Alexander Kempny has clinical expertise in:

Dr Kempny leads the adult congenital heart disease and pulmonary hypertension intervention programme at Royal Brompton Hospital and performs a range of procedures in adults and children, including:

  • atrial septal defect, patent foramen ovale (PFO) closure, ventricular septal defect (VSD), patent ductus arteriosus (PDA) closure and coarctation of the aorta (CoA) stenting
  • percutaneous pulmonary valve implantation (both Melody and Edwards-Sapien valves)
  • percutaneous valve-in-valve implantation in atrio-ventricular valve position
  • balloon valvuloplasty
  • balloon pulmonary angioplasty (BPA)
  • paravalvular leak closure
  • closure of vascular malformations
  • coronary angiography and cardiac catheterisation, with thermodilution and direct Fick method for accurate assessment of haemodynamics, vasoreactivity testing
  • 3D reconstructions and 3D printing for advanced planning of percutaneous procedures


Dr Alexander Kempny trained in cardiology and internal medicine at the University Hospital of Muenster, Germany, and at Royal Brompton Hospital.

He received his PhD in Cardiology at the National Heart and Lung Institute, Imperial College London.

Dr Kempny is fully trained in general adult cardiology. Before joining Royal Brompton Hospital as a consultant, he was consultant cardiologist at the Barts Heart Centre between 2015-16. In 2016-2017, he was a visiting consultant cardiologist at the John Radcliffe Hospital, the main teaching hospital for Oxford University.


Dr Alexander Kempny’s research is focused on clinical cardiology and the analysis of outcomes in cardiology including:

  • congenital heart disease
  • pulmonary hypertension
  • valvular heart disease
  • exercise physiology
  • percutaneous cardiac interventions


Dr Alexander Kempny has authored more than 100 publications in leading journals including:

  • Circulation
  • Journal of the American College of Cardiology
  • European Heart Journal
  • Heart
  • International Journal of Cardiology
  • New England Journal of Medicine