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Nishani Jayasooriya

Observed names: Jayasooriya N, N Jayasooriya
Observed institutions: St George's Hospital, St George's, University of London, Royal Free London NHS Foundation Trust, King's College London, Aarhus University, Barts Health NHS Trust, Western General Hospital, The Royal Free Hospital, St George’s University Hospitals NHS Foundation Trust, Royal London Hospital, Barnet Hospital, Homerton University Hospital, Homerton University Hospital NHS Foundation Trust, City St George's, University of London, University College London, Imperial College London
ORCID: 0000-0003-1343-2446
Observed ORCID: 0000-0003-1343-2446
OpenAlex ID: A5067040164
Systematic review with meta‐analysis: Time to diagnosis and the impact of delayed diagnosis on clinical outcomes in inflammatory bowel disease
2023 · Nishani Jayasooriya, Samantha Baillie, et al. · Alimentary Pharmacology & Therapeutics · 178
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Prevalence and Duration of Gastrointestinal Symptoms Before Diagnosis of Inflammatory Bowel Disease and Predictors of Timely Specialist Review: A Population-Based Study
2020 · J Blackwell, S Saxena, et al. · Journal of Crohn s and Colitis · 69
Assessment, endoscopy, and treatment in patients with acute severe ulcerative colitis during the COVID-19 pandemic (PROTECT-ASUC): a multicentre, observational, case-control study
2021 · Shaji Sebastian, Gareth J Walker, et al. · The Lancet. Gastroenterology & hepatology · 38
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Antidepressant medication use in Inflammatory Bowel Disease: a nationally representative population‐based study
2022 · Nishani Jayasooriya, Jonathan Blackwell, et al. · Alimentary Pharmacology & Therapeutics · 29
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Stoma Formation in Crohn’s Disease and the Likelihood of Antidepressant Use: A Population-Based Cohort Study
2020 · Jonathan Blackwell, Sonia Saxena, et al. · Clinical Gastroenterology and Hepatology · 16
Adherence to 5-aminosalicylic acid maintenance treatment in young people with ulcerative colitis: a retrospective cohort study in primary care
2023 · Nishani Jayasooriya, Richard C Pollok, et al. · British Journal of General Practice · 8
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Comparative Outcomes of Budesonide MMX versus Prednisolone for Ulcerative Colitis: Results from a British Retrospective Multi-Centre Real-World Study
2021 · Konstantina Rosiou, Elaine Ong Ming San, et al. · Journal of Clinical Medicine · 8
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P769 Prevalence and duration of gastrointestinal symptoms in the 10 years before diagnosis of inflammatory bowel disease: A national cohort study
2020 · J Blackwell, S Saxena, et al. · Journal of Crohn s and Colitis · 8
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Pain and Sedative Medication Use Among Individuals With Inflammatory Bowel Disease: A Nationwide Population‐Based Cohort Study
2025 · Samantha Baillie, Sonia Saxena, et al. · Alimentary Pharmacology & Therapeutics · 7
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Associations between prior healthcare use, time to diagnosis, and clinical outcomes in inflammatory bowel disease: a nationally representative population-based cohort study
2024 · Nishani Jayasooriya, Sonia Saxena, et al. · BMJ Open Gastroenterology · 5
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Yersinia - A Rarer Cause of Terminal Ileitis
2016 · Warner B, Jayasooriya N, et al. · Archives of Case Reports in Clinical Medicine · 4
Editorial: early and persistent biological treatment and its impact on long term surgical outcomes in inflammatory bowel disease
2022 · Richard C. G. Pollok, Nishani Jayasooriya · Alimentary Pharmacology & Therapeutics · 2
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PMO-6 Impact of consultation frequency and time to diagnosis on subsequent Inflammatory Bowel Disease outcomes
2021 · Nishani Jayasooriya, S Saxena, et al. · Gut · 2
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PMO-7 Patient-reported outcomes on the impact of oral steroid treatment in ulcerative colitis
2021 · Nishani Jayasooriya, Jonathan Blackwell, et al. · Gut · 2
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P86 Permanent stoma formation in Crohn’s disease is associated with increased rates of antidepressant use
2021 · Jonathan Blackwell, Prof Sonia Saxena, et al. · Gut · 1
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PTU-073 Title: is portal vein diameter being reported in abdominal ultrasound scans of decompensated liver cirrhosis patients?
2017 · T Coysh, S Zonoozi, et al. · Gut · 1
P1278 The use of pain and sedative medications among individuals with a diagnosis of Inflammatory Bowel Disease
2025 · S Baillie, N Jayasooriya, et al. · Journal of Crohn s and Colitis
P1136 Mesenteric excision and endoscopic recurrence in ileocaecal Crohn’s Disease: a single centre experience
2025 · T Jones, N Jayasooriya, et al. · Journal of Crohn s and Colitis
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Letter: delays to diagnosis of IBD —Challenges requiring a systematic approach. Authors’ reply
2023 · Richard C. Pollok, Nishani Jayasooriya, et al. · Alimentary Pharmacology & Therapeutics
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Letter: fulminant onset complicated inflammatory bowel disease (IBD) – a unique subtype? Authors' reply
2023 · Nishani Jayasooriya, Sonia Saxena, et al. · Alimentary Pharmacology & Therapeutics
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Letter: diagnostic delay in inflammatory bowel disease—Authors' reply
2023 · Richard C. Pollok, Samantha Baillie, et al. · Alimentary Pharmacology & Therapeutics
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P29 Impact of time to diagnosis on inflammatory bowel disease outcomes: a systematic review and meta-analysis
2022 · Nishani Jayasooriya, S Baillie, et al. · Gut
P630 Systematic review and meta-analysis: Diagnostic delay and the subsequent impact on the disease course of adult Inflammatory Bowel Disease
2022 · N Jayasooriya, S Ballie, et al. · Journal of Crohn s and Colitis
HMO-2 Adherence and discontinuation of oral 5-Aminosalicylic acid amongst adolescents and young adults with ulcerative colitis
2021 · Nishani Jayasooriya, Richard Pollok, et al. · Gut
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P298 Budesonide MMX versus Prednisolone for Ulcerative Colitis: Comparative outcomes from a British retrospective multi-centre study
2021 · K Rosiou, E Ong Ming San, et al. · Journal of Crohn s and Colitis
Works count: 35
Citation count: 378
H-index: 8
I10-index: 5
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