Dr Arun Rajendran

Sub-specialties: Endoscopy, Inflammatory Bowel Disease.

02036532009

Overview

Dr Arun Rajendran, a Consultant Gastroenterologist, specialises in inflammatory bowel disease, reflux, IBS, and endoscopy, with over 10 years’ experience. He holds a research MD from Kings College London, and serves as a Senior Clinical Teacher at Imperial College and Honorary Clinical Senior Lecturer at Brunel. He speaks English, Hindi, Tamil, and Kannada.

About Dr Arun Rajendran

Dr Arun Rajendran is a leading Consultant Gastroenterologist with over a decade of experience in managing and treating a wide range of digestive conditions. He specialises in bowel polyps,GMC inflammatory bowel disease (IBD), reflux, and irritable bowel syndrome (IBS). Dr Rajendran consults privately offering both outpatient care and advanced endoscopy services.

After graduating in 2001, Dr Rajendran completed his postgraduate training in gastroenterology in North West London. He further honed his skills during a three-year postgraduate research and teaching fellowship at St Marks Hospital, one of the world’s leading centres for bowel disease. In 2020, he earned a research MD from Kings College London, where he focused on the learning curve of colonoscopic polypectomy, a critical procedure for preventing colorectal cancer. His research has been widely recognised, earning him prestigious awards, including the NIHR CLAHRC Support Award, the ASGE Cook Medical Marsha Dreyer Award, and the BSG Best Teaching Abstract Award.

Dr Rajendran is deeply committed to research and education. He is a Senior Clinical Teacher at Imperial College London and an Honorary Senior Clinical Teacher at Brunel Medical School. He actively contributes to international journals as a peer reviewer and participates in clinical trials to advance treatment in his field. He regularly contributes at national and international conferences, discussing topics like cancer screening, endoscopy training, and IBD management.

Appointed in 2018 as a full-time consultant in Gastroenterology and General Internal Medicine at Hillingdon Hospital NHS Foundation Trust, Dr Rajendran currently leads endoscopy training at the Trust.

Dr Rajendran is fluent in English, Hindi, Tamil, and Kannada, ensuring effective communication with a diverse patient base.

Dr. Rajendran adopts a patient-centred approach, dedicated to delivering high-quality, safe, and personalised care for every patient he treats.

Areas of Expertise

Dr Rajendran is an expert in treating the following conditions:

Inflammatory bowel disease (IBD)
Acid-related disorders
Reflux
Acute and chronic diarrhoea
Abdominal pain
Bowel polyps and cancer
Irritable bowel syndrome (IBS)
Abdominal bloating
Gastrointestinal bleeding

He is also an expert in offering the following treatments:

Diagnostic and therapeutic Colonoscopy
Gastroscopy and Flexible sigmoidoscopy
Polyp removal
Endoscopic Mucosal Resection (EMR)
Transnasal endoscopy

Additional Information

Dr Arun Rajendran's Professional awards:

2016: Best teaching & education abstract award (BSG 2016)
2016: ASGE Cook Medical Marsha Dreyer Award
2016: NIHR CLAHRC South London Fee Support Award

Dr Arun Rajendran's Active Memberships:

Member of Royal College of Physicians (RCP)
Member of British Society of Gastroenterology (BSG)
Member of European Society of Gastrointestinal Endoscopy (ESGE)
Member of American Society of Gastrointestinal Endoscopy (ASGE)
Member South Asian IBD Alliance (SIAA)
Member Royal Society of Medicine (RSM)- Gastroenterology & Hepatology
Fellow of Health education Academy (HEA)

Research Highlights

Systematic literature review of learning curves for colorectal polyp resection techniques in lower gastrointestinal endoscopy. (https://onlinelibrary.wiley.com/doi/abs/10.1111/codi.14960)

Lower gastrointestinal polypectomy competencies in the United Kingdom: a retrospective analysis of Directly Observed Polypectomy Skills (DOPyS) (https://www.thieme-connect.com/products/ejournals/abstract/10.1055/a-1234-8233).

Green endoscopy: British Society of Gastroenterology (BSG), Joint Accreditation Group (JAG) and Centre for Sustainable Health (CSH) joint consensus on practical measures for environmental sustainability in endoscopy (https://gut.bmj.com/content/72/1/12)

JAG consensus statements for training and certification in colonoscopy. (https://fg.bmj.com/content/14/3/201.abstract)

Endoscopic cuff–assisted colonoscopy versus cap-assisted colonoscopy in adenoma detection: randomized tandem study—DEtection in Tandem Endocuff Cap Trial (DETECT)- (https://www.sciencedirect.com/science/article/abs/pii/S001651071932509X)

Reviews

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