Professional experience
• More than 25 years of experience• Lead Clinician for inflammatory bowel disease and nutrition, Queen Elizabeth Hospital, Lewisham and Greenwich NHS Trust, Woolwich (present)
• Consultant Gastroenterologist, BMI The Blackheath Hospital (present)• Consultant Gastroenterologist, BMI Shirely Oaks Hospital (present)• Consultant Gastroenterologist, LycaHealth Orpington (present)• Consultant Gastroenterologist, LycaHealth Canary Wharf (present)• Consultant Gastroenterologist, Orpington Endoscopy solutions (present)
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Education
• Clinical Fellow in inflammatory bowel disease, Guy’s and St Thomas’ Hospitals, London (2008)• Clinical Fellow in endoscopy, Guy’s and St Thomas’ Hospitals, London (2007)
• Guy’s, King’s & St Thomas’ School of Medicine, King’s College London (MBBS) (2000)• King’s College London (BSc) (1997)
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Publications and conferences
• Numerous publications in peer reviewed journals on all aspects of gastroenterology.• Autoimmune haemolytic anaemia is a rare association with primary biliary cirrhosis. Meade S, Kotha S, Gera A, Loganayagam A. Br J Hosp Med (Lond). 2016 Jun;77(6):370-1. doi: 10.12968/hmed.2016.77.6.370.
• The role of faecal calprotectin in the differentiation of organic from functional bowel disorders. Tavabie OD, Hughes SA, Loganayagam A. Br J Gen Pract. 2014 Nov;64(628):595-6. doi: 10.3399/bjgp14X682525.• Pharmacogenetic variants in the DPYD, TYMS, CDA and MTHFR genes are clinically significant predictors of fluoropyrimidine toxicity. Loganayagam A, Arenas Hernandez M, Corrigan A, Fairbanks L, Lewis CM, Harper P, Maisey N, Ross P, Sanderson JD, Marinaki AM. Br J Cancer. 2013 Jun 25;108(12):2505-15. doi: 10.1038/bjc.2013.262.• Cerebral air embolism: a rare complication following balloon dilation. Pee L, Basu S, Loganayagam A. Endoscopy. 2013;45 Suppl 2 UCTN:E93-4. doi: 10.1055/s-0032-1326251• Autoimmune haemolytic anaemia in ulcerative colitis. Sebepos-Rogers G, Gera A, Loganayagam A. Br J Hosp Med (Lond). 2012 Sep;73(9):532-3• A case of optic neuritis and transverse myelitis in a postpartum Ghanaian female. Srikugan L, Loganayagam A, Kelleher K. J Hosp Med. 2010 Mar;5(3):E12-3. doi: 10.1002/jhm.398• The contribution of deleterious DPYD gene sequence variants to fluoropyrimidine toxicity in British cancer patients. Loganayagam A, Arenas-Hernandez M, Fairbanks L, Ross P, Sanderson JD, Marinaki AM. Cancer Chemother Pharmacol. 2010 Jan;65(2):403-6. doi: 10.1007/s00280-009-1147-x• Midazolam with meperidine or fentanyl for colonoscopy: results of a randomized trial. Hayee B, Dunn J, Loganayagam A, Wong M, Saxena V, Rowbotham D, McNair A. Gastrointest Endosc. 2009 Mar;69(3 Pt 2):681-7. doi: 10.1016/j.gie.2008.09.033• An unusual cause of nausea and altered bowel habit. Loganayagam A, McNair A. Br J Hosp Med (Lond). 2008 Feb;69(2):107• Management of pyrexia of unknown origin. Srikugan L, Loganayagam A. Br J Hosp Med (Lond). 2007 Dec;68(12):M212-4• Overprescribing proton pump inhibitors. Forgacs I, Loganayagam A. BMJ. 2008 Jan 5;336(7634):2-3. doi: 10.1136/bmj.39406.449456.BE• Faecal screening of colorectal cancer. Loganayagam A. Int J Clin Pract. 2008 Mar;62(3):454-9• Efficacy, safety and drug survival of thioguanine as maintenance treatment for inflammatory bowel disease: a retrospective multi-centre study in the United Kingdom Ahmed B. Bayoumy, Elsa L. S. A. van Liere, Melek Simsek, Ben Warner, Aathavan Loganayagam, Jeremy D. Sanderson, Simon Anderson, Jonathan Nolan, Nanne K. de Boer, Chris J. J. Mulder & Azhar Ansari BMC Gastroenterology volume 20, Article number: 296 (2020)
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Prizes and awards
• Selected by the Gastro Scientific Committee for the best ten abstracts from a total of 2188 and awarded a travel grant to attend Gastro UEGW/WCOG, London (2009)• Awarded the British Society of Gastroenterology Travelling Fellowship to attend the Annual Advanced Endoscopy Update Charleston, South Caroline, USA (2009)
• Awarded research fellowship by Purine Metabolic Patients’ Association (PUMPA) (2008)• Awarded research fellowship by CANHELP Charity Research Fellowship, Guy’s and St Thomas’ Charity (2008)• Winner in open competition, for the development of pre-treatment testing for patients about to start chemotherapy to predict efficacy and toxicity, of the NHS Innovation London Award (2008)• 2012-2020- Level 5 NHS Clinical Excellence Award
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Patient reviews
B M. Verified Patient
11/02/2025
Would you recommend this doctor?
Patients comments
During my consultation Dr Loganayagam has demonstrated an exceptional and unprecedented professionalism. His elegant manners and the empαthy, he showed were key components of his overall approach. To my opinion his is the best of the best.
A D. Verified Patient
07/02/2025
Would you recommend this doctor?
Patients comments
During our initial consultation Dr Loganayagam accurately diagnosed my condition. I will always be grateful to him for the great care and skill in how he completed the procedure, allowing me to make a speedy recovery. I couldn’t recommend him enough. Thank you!!
T B. Verified Patient
06/02/2025
Would you recommend this doctor?
Patients comments
Dr Loganayagam was brilliant - from beginning to end he guided me through what to expect with genuine kindness and did it also with great professionalism. I would have no hesitation at all in recommending him.
K R. Verified Patient
31/01/2025
Would you recommend this doctor?
Patients comments
Dr Loganayagam is an excellent gastroenterologist. He was very thorough and had a kind and understanding way of explaining things that put me at ease and made me feel reassured. I would not hesitate to recommend him. Thank you Dr Loganayagam and keep up the great work!