University Hospital Lewisham
Lewisham High Street, London, SE13 6LH
Biography

Michail Chatzikonstantinou is a dedicated General and Upper GI Surgeon, specialising in minimally invasive (laparoscopic), gallbladder, and hernia surgery. With 15 years of extensive surgical experience within the NHS, Michail is committed to delivering high-quality, patient-centred care and optimal clinical outcomes. His practice focuses on advanced surgical techniques designed to minimise recovery times and enhance patient comfort, ensuring patients are fully informed and involved in every stage of their treatment.
As a prominent figure in the surgical community, Michail has actively contributed to the advancement of surgical practices. He has been instrumental in training and mentoring aspiring surgeons, sharing his extensive knowledge and skills to shape the future of surgical care.
Education & Training
Fellowship
RCSEng Fellowship in Benign Upper GI and Bariatric Surgery
University College London Hospital
Residency
Residency in General Surgery,
Health Education London
Postgraduate Education
MSc in Surgical and Interventional Sciences
University College London
Medical Degree
University of Ioannina, Greece
Degree in Pharmacy
National and Kapodistrian Univeristy of Athens
Presentations
International
2024 Nov LIBSS 2024: “Perceptions of Obesity and Bariatric Surgery Among Newly Qualified Doctors: A Multi-Hospital Survey Study”
C.R. Smith, R. Pontonnier, T. Patel, R. Mamidanna, M. Chatzikonstantinou
Department of Surgery, University Hospital Lewisham, Lewisham and Greenwich NHS Trust.
2024 Nov The Role of Histopathology in Sleeve Gastrectomy: Does it Change Clinical Management?
C.R. Smith, I. Satar , S. Zuberi , G.Brc. Lafaurie , C.M. Borg , M. Siddiqui , R. Kerwat , M. Chatzikonstantinou, R. Mamidanna. Department of Surgery, University Hospital Lewisham, Lewisham and Greenwich NHS Trust.
2024 May ASBGI: Anorectal Abscess and Diabetes Mellitus: An Overlooked Association?
Ashling Ramdin, Christopher Smith, Max Marsden, Stephen Agboro, Michail Chatzikonstantinou
Department of Surgery, University Hospital Lewisham, Lewisham and Greenwich NHS Trust.
2024 May ASGBI: The multidisciplinary management of acute pancreatitis at a district general hospital – an NCEPOD audit
Thomas Jones, Cara Heppell, Michail Chatzikonstantinou.
Department of Surgery, University Hospital Lewisham, Lewisham and Greenwich NHS Trust.
2023 Nov LIBSS 2023: Role of Bariatric Surgery in management of Idiopathic Intracranial Hypertension; a tertiary centre experience.
M. Chatzikonstantinou, M. Binjaloud, W. Mon, A. Jenkinson, M. Elkalaawy, H. Markakis. M. Adamo
University College Hospital London, UCLH Bariatric Centre for Weight Management and Metabolic Surgery, London, United Kingdom
2023 Aug IFSO World Congress 2023: Single-Anastomosis Duodeno-Ileal Bypass (SADI)-300 as Revisional Bariatric Procedure Following Sleeve Gastrectomy: A careful introduction of malabsorption in people with severe obesity
International Federation for the Surgery of Obesity and Metabolic Disorders. Naples Italy
Marco Adamo - Michail Chatzikonstantinou - Andrei Ilczyszyn - Mohamed ElKalaawy – Naim Fakih-Gomez - Haris Markakis - Andrew Jenkinson - Andrea Pucci - Rachel Batterham
University College Hospital London, UCLH Bariatric Centre for Weight Management and Metabolic Surgery, London, United Kingdom
2023 Aug IFSO World Congress 2023.Laparoscopic plication of candy cane for intractable reflux following revisional Roux- EnY Gastric Bypass
International Federation for the Surgery of Obesity and Metabolic Disorders. Naples Italy
Michail Chatzikonstantinou - Mohamed Elkalaawy - Haris Markakis - Andrew Jenkinson - Wint Mon - Marco Adamo
University College London Hospital, UCLH Bariatric Centre for Weight Management and Metabolic Surgery, London, United Kingdom
2023 Aug IFSO World Congress 2023. Analysis of overnight remote observations of bariatric day-case Patients at University College London Hospital
International Federation for the Surgery of Obesity and Metabolic Disorders. Naples Italy
Michail Chatzikonstantinou - Wint Mon - Rowena Guillermo - Marco Adamo – Deborah Smyth - Georgia
Zapata-Martinez - Laura Gallagher – David Brealey - Haris Markakis
University College London Hospital, UCLH Bariatric Centre for Weight Management and Metabolic Surgery, London, United Kingdom
University College London Hospital, UCLH Critical Care Research Team, London, United Kingdom
2023 Aug IFSO World Congress 2023. Initial Results of a Same Day Discharge protocol utilising remote monitoring for Bariatric Surgery Patients
International Federation for the Surgery of Obesity and Metabolic Disorders. Naples Italy
Michail Chatzikonstantinou - Wint Mon - Rowena Guillermo - Marco Adamo – Deborah Smyth - Georgia Bercades - Ingrid Hass - Alex Zapata-Martinez - Laura Gallagher – David Brealey - Haris Markakis
University College London Hospital, UCLH Bariatric Centre for Weight Management and Metabolic Surgery, London, United Kingdom
University College London Hospital, UCLH Critical Care Research Team, London, United Kingdom
Affiliations

International Federation for Surgery of Obesity and Metabolic Disorders (IFSO)- European Chapter
Development & Communication Committee






