Dr. Alessandro Giardini
MD, PhD

Consultant Paediatric and Adolescent Cardiologist in London, UK

Being told there could be something wrong with your child's heart is a very distressing and scary situation. You want the best expert advice and care for your child and may feel that the referral system is a remote process that gives little sense of reassurance that you will find the quaity of care that you are looking for.

Dr Alessandro Giardini is a Senior Consultant Paediatric and Adolescent Cardiologist in London with a clinical and academic career spanning more than 25 years. He holds the position of Director of Inpatient Cardiology Services at Great Ormond Street Hospital since 2007 where he also leads the Single Ventricle Programme and the Exercise Physiology Laboratory. His day-to-day NHS work centres on the most complex and vulnerable children: newborns with critical heart defects, children with single ventricle circulations, and young people with inherited cardiac conditions.

He is an Honorary Associate Professor at University College London and holds an Associate Professorship at the Italian Ministry of Higher Education. With more than 140 peer-reviewed publications, Dr Giardini is recognised internationally as a leading authority in paediatric cardiology, exercise physiology in children with heart and lung disease, and outcomes research in congenital heart defects.

Dr. Giardini has earned an international reputation as one of the foremost specialists in his field, and is widely regarded as a leading voice in paediatric cardiology across the UK, Europe, Asia and the United States. Colleagues, families and major cardiology centres around the world routinely turn to him for expert guidance and independent clinical opinion.

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HLHS Long-Term Outlook and Fontan Complications

The Fontan circulation has long-term consequences. Dr Giardini explains what families and young adults with HLHS need to know about the years ahead. Dr Giardini, London Paediatric Cardiologist.

The Fontan Operation in HLHS | Dr Alessandro Giardini

The Fontan is the final HLHS operation. Dr Giardini explains what it achieves, how the circulation works afterwards, and what families need to know. Dr Giardini, London Paediatric Cardiologist.

The Glenn Procedure in HLHS | Dr Alessandro Giardini

The Glenn procedure is HLHS stage two. Dr Giardini explains how it works, why timing matters, and what recovery involves. Dr Giardini, London Paediatric Cardiologist.