VS
Viknesh Sounderajah
Artificial IntelligenceBlood Vessel Prosthesis ImplantationDiabetes MellitusStomach NeoplasmsDiabetic FootEndovascular ProceduresPeripheral Arterial DiseaseCOVID-19cs.AIEsophageal Neoplasms
On Valency
published · living versionsW_fdd84fab·v1 · currentpublished
Path-dependent triage: Early judgments lead conversational AI chatbots to miss mental-health emergencies
with Veith Weilnhammer, Raymond Dolan, Lennart Luettgau, Virginia Corno +4
1 version
Preprints & journals
74 papers in the corpus · 2014–2026Sequential diagnosis with language models.42912144 · Nori, Harsha, Daswani, Mayank, Kelly, Christopher et al.2026 · 27 citationsScience (New York, N.Y.). 2026;394(6822):423-428
Author Correction: The STARD-AI reporting guideline for diagnostic accuracy studies using artificial intelligence.42443516 · Sounderajah, Viknesh, Guni, Ahmad, Liu, Xiaoxuan et al.2026 · 2 citationsNature medicine. 2026;32(9):3493
Single-turn emergency psychiatric triage across 15 frontier AI chatbots2604.25415v3 · Veith Weilnhammer, Lennart Luettgau, Christopher Summerfield et al.2026 · 0 citationsarXiv
How people use Copilot for Health2604.15331v1 · Beatriz Costa-Gomes, Pavel Tolmachev, Eloise Taysom et al.2026 · 1 citationarXiv
The STARD-AI reporting guideline for diagnostic accuracy studies using artificial intelligence.40954311 · Sounderajah, Viknesh, Guni, Ahmad, Liu, Xiaoxuan et al.2025 · 384 citationsNature medicine. 2025;31(10):3283-3289
Navigating life transitions and mental wellbeing in the digital age: a call for stakeholders to embrace innovation and collaboration.40517237 · Fegert, Jörg M, Gottschalk, Götz, Schneider, Renee et al.2025 · 13 citationsChild and adolescent psychiatry and mental health. 2025;19(1):67
LearnLM: Improving Gemini for Learning2412.16429v3 · LearnLM Team Google: Abhinit Modi, Aditya Srikanth Veerubhotla, Aliya Rysbek et al.2024 · 4 citationsarXiv
Reported outcomes in studies of intermittent claudication - first step toward a core outcome set: systematic review.39485886 · Shwan, Akam, Lamidi, Segun, Chan, Calvin et al.2024 · 3 citationsBJS open. 2024;8(6)
Diagnostic performance of deep learning for infectious keratitis: a systematic review and meta-analysis.39469534 · Ong, Zun Zheng, Sadek, Youssef, Qureshi, Riaz et al.2026 · 17 citationsEClinicalMedicine. 2024;77:102887
Revised Tool for the Quality Assessment of Diagnostic Accuracy Studies Using AI (QUADAS-AI): Protocol for a Qualitative Study.39293047 · Guni, Ahmad, Sounderajah, Viknesh, Whiting, Penny et al.2024 · 72 citationsJMIR research protocols. 2024;13:e58202
Evaluating the diagnostic and triage performance of digital and online symptom checkers for the presentation of myocardial infarction; A retrospective cross-sectional study.39102377 · Wallace, William, Chan, Calvin, Chidambaram, Swathikan et al.2024 · 4 citationsPLOS digital health. 2024;3(8):e0000558
Information is a determinant of health.38351186 · Graham, Garth, Goren, Nira, Sounderajah, Viknesh et al.2024 · 24 citationsNature medicine. 2024;30(4):927-928
An introduction to digital determinants of health.38175828 · Chidambaram, Swathikan, Jain, Bhav, Jain, Urvish et al.2026 · 174 citationsPLOS digital health. 2024;3(1):e0000346
Research protocol for the Paraesophageal hernia symptom tool, a prospective multi-center cohort study to identify the need and threshold for surgery and assess the symptom response to surgery.37158194 · Menon, Nainika, Guidozzi, Nadia, Chidambaram, Swathikan et al.2023 · 1 citationDiseases of the esophagus : official journal of the International Society for Diseases of the Esophagus. 2023;36(10)
Cardiovascular Health Equity for Survivors of Childhood Cancer: Understanding the Drivers of Cardiovascular Risk.37614578 · Graham, Garth, Sounderajah, Viknesh, Johnson, Michelle N2024 · 1 citationJACC. CardioOncology. 2023;5(4):501-503
Patient Reported Outcome Measures Used to Assess Quality of Life in Aortic Dissection: a Systematic Scoping Review using COSMIN Methodology.37391013 · Hanna, Lydia, Jha, Rama, Sounderajah, Viknesh et al.2023 · 11 citationsEuropean journal of vascular and endovascular surgery : the official journal of the European Society for Vascular Surgery. 2023;66(3):343-350
Investigating the national implementation of SMS and mobile messaging in population screening (The SIPS study).37384997 · Acharya, Amish, Judah, Gaby, Ashrafian, Hutan et al.2023 · 10 citationsEBioMedicine. 2023;93:104685
Diagnostic performance of deep learning in infectious keratitis: a systematic review and meta-analysis protocol.37164459 · Ong, Zun Zheng, Sadek, Youssef, Liu, Xiaoxuan et al.2023 · 6 citationsBMJ open. 2023;13(5):e065537
Trends in Hospital Admissions, Operative Approaches, and Mortality Related to Abdominal Aortic Aneurysms in England Between 1998 and 2020.36934837 · Hanna, Lydia, Borsky, Kim, Abdullah, Ammar A et al.2023 · 9 citationsEuropean journal of vascular and endovascular surgery : the official journal of the European Society for Vascular Surgery. 2023;66(1):68-76
Evaluating the prognostic performance of bedside tests used for peripheral arterial disease diagnosis in the prediction of diabetic foot ulcer healing.36918215 · Elghazaly, Hussein, Howard, Theodore, Sanjay, Sharan et al.2023 · 11 citationsBMJ open diabetes research & care. 2023;11(2)
Quantifying the burden of survivorship associated with infrarenal abdominal aortic aneurysms.36813007 · Patel, Kian, Sounderajah, Viknesh, Hanna, Lydia et al.2023 · 0 citationsJournal of vascular surgery. 2023;78(2):549-557.e23
Evaluation of tumor regression by neoadjuvant chemotherapy regimens for esophageal adenocarcinoma: a systematic review and meta-analysis.36151055 · Chidambaram, Swathikan, Sounderajah, Viknesh, Maynard, Nick et al.2023 · 4 citationsDiseases of the esophagus : official journal of the International Society for Diseases of the Esophagus. 2023;36(2)
PRISMA AI reporting guidelines for systematic reviews and meta-analyses on AI in healthcare.36646804 · Cacciamani, Giovanni E, Chu, Timothy N, Sanford, Daniel I et al.2023 · 136 citationsNature medicine. 2023;29(1):14-15
Identifying a core symptom set triggering radiological and endoscopic investigations for suspected recurrent esophago-gastric cancer: a modified Delphi consensus process.35858213 · Chidambaram, Swathikan, Patel, Nikhil M, Sounderajah, Viknesh et al.2023 · 5 citationsDiseases of the esophagus : official journal of the International Society for Diseases of the Esophagus. 2022;36(1)
Harnessing a clinician-led governance model to overcome healthcare tribalism and drive innovation: a case study of Northumbria NHS Foundation Trust.36520658 · Bolous, Nancy S, Graetz, Dylan E, Ashrafian, Hutan et al.2022 · 7 citationsJournal of health organization and management. 2022;ahead-of-print(ahead-of-print)
Evaluation of post-operative surveillance strategies for esophageal and gastric cancers: a systematic review and meta-analysis.35788834 · Chidambaram, Swathikan, Sounderajah, Viknesh, Maynard, Nick et al.2022 · 20 citationsDiseases of the esophagus : official journal of the International Society for Diseases of the Esophagus. 2022;35(12)
Tackling bias in AI health datasets through the STANDING Together initiative.36163296 · Ganapathi, Shaswath, Palmer, Jo, Alderman, Joseph E et al.2022 · 82 citationsNature medicine. 2022;28(11):2232-2233
Using Artificial Intelligence-Enhanced Sensing and Wearable Technology in Sports Medicine and Performance Optimisation.36146263 · Chidambaram, Swathikan, Maheswaran, Yathukulan, Patel, Kian et al.2022 · 138 citationsSensors (Basel, Switzerland). 2022;22(18)
The diagnostic and triage accuracy of digital and online symptom checker tools: a systematic review.35977992 · Wallace, William, Chan, Calvin, Chidambaram, Swathikan et al.2022 · 187 citationsNPJ digital medicine. 2022;5(1):118
Development of the ParaOesophageal hernia SympTom (POST) tool.35640625 · Puri, Aiysha, Patel, Nikhil M, Sounderajah, Viknesh et al.2022 · 8 citationsThe British journal of surgery. 2022;109(8):727-732
Trends in Thoracic Aortic Aneurysm Hospital Admissions, Interventions, and Mortality in England between 1998 and 2020: An Observational Study.35842176 · Hanna, Lydia, Sounderajah, Viknesh, Abdullah, Ammar A et al.2022 · 12 citationsEuropean journal of vascular and endovascular surgery : the official journal of the European Society for Vascular Surgery. 2022;64(4):340-348
Machine learning-based classification of arterial spectral waveforms for the diagnosis of peripheral artery disease in the context of diabetes: A proof-of-concept study.35734808 · Normahani, Pasha, Sounderajah, Viknesh, Mandic, Danilo et al.2022 · 18 citationsVascular medicine (London, England). 2022;27(5):450-456
Misinformation About the Human Gut Microbiome in YouTube Videos: Cross-sectional Study.35576578 · Chidambaram, Swathikan, Maheswaran, Yathukulan, Chan, Calvin et al.2022 · 13 citationsJMIR formative research. 2022;6(5):e37546
Coverage of the Coeliac Artery During Thoracic Endovascular Aortic Repair: A Systematic Review and Meta-Analysis.35460890 · Hanna, Lydia, Lam, Kyle, Agbeko, Anita E et al.2022 · 12 citationsEuropean journal of vascular and endovascular surgery : the official journal of the European Society for Vascular Surgery. 2022;63(6):828-837
Evaluation of postoperative surveillance strategies for esophago-gastric cancers in the UK and Ireland.34426840 · Chidambaram, Swathikan, Sounderajah, Viknesh, Maynard, Nick et al.2022 · 6 citationsDiseases of the esophagus : official journal of the International Society for Diseases of the Esophagus. 2022;35(2)
Defining the Enablers and Barriers to the Implementation of Large-scale, Health Care-Related Mobile Technology: Qualitative Case Study in a Tertiary Hospital Setting.35133287 · Aggarwal, Ravi, Visram, Sheena, Martin, Guy et al.2022 · 8 citationsJMIR mHealth and uHealth. 2022;10(2):e31497
Lasting Symptoms After Esophageal Resection (LASER): European Multicenter Cross-sectional Study.32404661 · Markar, Sheraz R, Zaninotto, Giovanni, Castoro, Carlo et al.2022 · 78 citationsAnnals of surgery. 2022;275(2):e392-e400
Quality assessment standards in artificial intelligence diagnostic accuracy systematic reviews: a meta-research study.35087178 · Jayakumar, Shruti, Sounderajah, Viknesh, Normahani, Pasha et al.2025 · 110 citationsNPJ digital medicine. 2022;5(1):11
Impact of the COVID-19 Pandemic on Emergency Adult Surgical Patients and Surgical Services: An International Multi-center Cohort Study and Department Survey.34402804 · Winter Beatty, Jasmine, Clarke, Jonathan M, Sounderajah, Viknesh et al.2021 · 30 citationsAnnals of surgery. 2021;274(6):904-912
ASO Author Reflections: Applications of Artificial Intelligence in Oesophago-Gastric Malignancies-Present Work and Future Directions.34792695 · Chidambaram, Swathikan, Sounderajah, Viknesh, Maynard, Nick et al.2022 · 3 citationsAnnals of surgical oncology. 2022;29(3):1991-1992
Diagnostic Performance of Artificial Intelligence-Centred Systems in the Diagnosis and Postoperative Surveillance of Upper Gastrointestinal Malignancies Using Computed Tomography Imaging: A Systematic Review and Meta-Analysis of Diagnostic Accuracy.34762214 · Chidambaram, Swathikan, Sounderajah, Viknesh, Maynard, Nick et al.2022 · 22 citationsAnnals of surgical oncology. 2022;29(3):1977-1990
Have international in-person medical meetings had their day?34759009 · Smith, Richard, Sounderajah, Viknesh, Darzi, Ara2021 · 7 citationsBMJ (Clinical research ed.). 2021;375:n2345
A systematic review of interventions to improve breast cancer screening health behaviours.34624390 · Acharya, Amish, Sounderajah, Viknesh, Ashrafian, Hutan et al.2022 · 37 citationsPreventive medicine. 2021;153:106828
A quality assessment tool for artificial intelligence-centered diagnostic test accuracy studies: QUADAS-AI.34635854 · Sounderajah, Viknesh, Ashrafian, Hutan, Rose, Sherri et al.2021 · 265 citationsNature medicine. 2021;27(10):1663-1665
Patient-reported outcomes after oesophagectomy in the multicentre LASER study.33975337 · Markar, S R, Sounderajah, V, Johar, A et al.2021 · 20 citationsThe British journal of surgery. 2021;108(9):1090-1096
Quality of life and symptom assessment in paraesophageal hernias: a systematic literature review of reporting standards.33434921 · Patel, Nikhil M, Puri, Aiysha, Sounderajah, Viknesh et al.2021 · 8 citationsDiseases of the esophagus : official journal of the International Society for Diseases of the Esophagus. 2021;34(7)
The Reliability and Quality of YouTube Videos as a Source of Public Health Information Regarding COVID-19 Vaccination: Cross-sectional Study.34081599 · Chan, Calvin, Sounderajah, Viknesh, Daniels, Elisabeth et al.2021 · 104 citationsJMIR public health and surveillance. 2021;7(7):e29942
Developing a reporting guideline for artificial intelligence-centred diagnostic test accuracy studies: the STARD-AI protocol.34183345 · Sounderajah, Viknesh, Ashrafian, Hutan, Golub, Robert M et al.2021 · 329 citationsBMJ open. 2021;11(6):e047709
Characteristics and predictors of acute and chronic post-COVID syndrome: A systematic review and meta-analysis.34036253 · Iqbal, Fahad M, Lam, Kyle, Sounderajah, Viknesh et al.2025 · 312 citationsEClinicalMedicine. 2021;36:100899
Determinants of burnout and other aspects of psychological well-being in healthcare workers during the Covid-19 pandemic: A multinational cross-sectional study.33861739 · Denning, Max, Goh, Ee Teng, Tan, Benjamin et al.2021 · 473 citationsPloS one. 2021;16(4):e0238666
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