
Overview
Background
Associate Professor, Faculty of Medicine, The University of Queensland
Gastroenterologist & therapeutic colonoscopist, Colonoscopy Clinic
David Hewett is a gastroenterologist, therapeutic colonoscopist and health services researcher. He is in private specialist practice at Colonoscopy Clinic, and performs endoscopies at Brisbane Private Hospital, Canossa Private Hospital, Chermside Day Hospital, North West Private Hospital, and the Wesley Hospital.
After graduating MBBS with honours from the University of Queensland, he undertook clinical and research training at the RBWH, before completing post-doctoral studies at Indiana University, USA where he developed advanced skills in the technical performance of colonoscopy, including the resection of large colorectal polyps.
Dr Hewett's clinical research focuses on improving the effectiveness of colonoscopy for the bowel cancer screening, and he has published widely on new colonoscopic techniques and methods to improve physician performance of colonoscopy. He has parallel interests in health systems research and medical education, including quality of patient care, intergroup relations, and procedural skills training. The unique contribution of his PhD work was the application of intergroup theory to interactions between hospital doctors, and exploration of the ways doctors define their group memberships and negotiate conflict, and the impact on patient care.
Dr Hewett is active in national colorectal cancer policy and training initiatives. He is a member of national advisory boards for the National Bowel Cancer Screening Program and Lynch Syndrome Australia. He has served as Director of Training for the Gastroenterological Society of Australia and as a member of the Specialist Training Committee in gastroenterology with the Royal Australasian College of Physicians.
Availability
- Associate Professor David Hewett is:
- Available for supervision
Qualifications
- Bachelor (Honours) of Medicine Surgery, The University of Queensland
- Masters (Coursework) of Science (Clinical Research), Indiana University
- Doctor of Philosophy, The University of Queensland
- Royal Australasian College of Physicians, Royal Australasian College of Physicians
Research interests
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Colorectal cancer
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Colonoscopy
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Intergroup communication
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Quality of health care
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Healthcare leadership
Works
Search Professor David Hewett’s works on UQ eSpace
2025
Journal Article
Creating a standardized tool for the evaluation and comparison of artificial intelligence–based computer-aided detection programs in colonoscopy: a modified Delphi approach
Gadi, Sanjay R.V., Mori, Yuichi, Misawa, Masashi, East, James E., Hassan, Cesare, Repici, Alessandro, Byrne, Michael F., von Renteln, Daniel, Hewett, David G., Wang, Pu, Saito, Yutaka, Matsubayashi, Carolina Ogawa, Ahmad, Omer F., Sharma, Prateek, Gross, Seth A., Sengupta, Neil, Mansour, Nabil, Cherubini, Andrea, Dinh, Nhan Ngo, Xiao, Xiao, Mountney, Peter, González-Bueno Puyal, Juana, Little, Greg, LaRocco, Shawn, Conjeti, Sailesh, Seibt, Hannes, Zur, Dror, Shimada, Hitoshi, Berzin, Tyler M. and Glissen Brown, Jeremy R. (2025). Creating a standardized tool for the evaluation and comparison of artificial intelligence–based computer-aided detection programs in colonoscopy: a modified Delphi approach. Gastrointestinal Endoscopy. doi: 10.1016/j.gie.2024.11.042
2024
Conference Publication
The clinical value of "exception item" colonoscopy (MBS Item 32228) and predictors of advanced neoplasia
Azhar, Zainul, Kefford, Simone, Pennell, Torsten, Jayasena, Chanuli, Jensen, Sophie, Gilbert, Taylor, Saunders, Andrew, Worthley, Daniel and Hewett, David (2024). The clinical value of "exception item" colonoscopy (MBS Item 32228) and predictors of advanced neoplasia. Gastroenterological Society of Australia (GESA) Australian Gastroenterology Week (AGW) 2024, Adelaide, SA Australia, 14-16 September 2024. Richmond, VIC Australia: John Wiley & Sons.
2024
Conference Publication
Age-standardised adenoma detection rate: exploring the concept of monitoring detection rates for patients of all ages
Azhar, Zainul, Kefford, Simone, Pennell, Torsten, Jayasena, Chanuli, Jensen, Sophie, Gilbert, Taylor, Saunders, Andrew, Worthley, Daniel and Hewett, David (2024). Age-standardised adenoma detection rate: exploring the concept of monitoring detection rates for patients of all ages. Gastroenterological Society of Australia (GESA) Australian Gastroenterology Week (AGW) 2024, Adelaide, SA Australia, 14-16 September 2024. Richmond, VIC Australia: John Wiley & Sons.
2024
Conference Publication
Those that are not measured suffer: the case for measuring colonoscopy adenoma detection rate in all patients regardless of age
Azhar, Zainul, Kefford, Simone, Pennell, Torsten, Jayasena, Chanuli, Jensen, Sophie, Gilbert, Taylor, Saunders, Andrew, Worthley, Daniel and Hewett, David (2024). Those that are not measured suffer: the case for measuring colonoscopy adenoma detection rate in all patients regardless of age. Gastroenterological Society of Australia (GESA) Australian Gastroenterology Week (AGW) 2024, Adelaide, SA Australia, 14-16 September 2024. Richmond, VIC Australia: John Wiley & Sons.
2023
Journal Article
大腸内視鏡検査への人工知能の導入がもたらす恩恵と課題:世界内視鏡学会(WEO)ポジションステートメント
Mori, Yuichi, East, James E., Hassan, Cesare, Halvorsen, Natalie, Berzin, Tyler M., Byrne, Michael, Renteln, Daniel von, Hewett, David G., Repici, Alessandro, Ramchandani, Mohan, Khatry, Maryam Al, Kudo, Shin-Ei, Wang, Pu, Yu, Honggang, Saito, Yutaka, Misawa, Masashi, Parasa, Sravanthi, Matsubayashi, Carolina Ogawa, Ogata, Haruhiko, Tajiri, Hisao, Pausawasdi, Nonthalee, Dekker, Evelien, Ahmad, Omer F., Sharma, Prateek and Rex, Douglas K. (2023). 大腸内視鏡検査への人工知能の導入がもたらす恩恵と課題:世界内視鏡学会(WEO)ポジションステートメント. Gastroenterological Endoscopy, 65 (10), 2231-2241. doi: 10.11280/gee.65.2231
2023
Journal Article
Benefits and challenges in implementation of artificial intelligence in colonoscopy: World Endoscopy Organization position statement
Mori, Yuichi, East, James E., Hassan, Cesare, Halvorsen, Natalie, Berzin, Tyler M., Byrne, Michael, von Renteln, Daniel, Hewett, David, Repici, Alessandro, Ramchandani, Mohan, Al Khatry, Maryam, Kudo, Shin‐ei, Wang, Pu, Yu, Honggang, Saito, Yutaka, Misawa, Masashi, Parasa, Sravanthi, Matsubayashi, Carolina Ogawa, Ogata, Haruhiko, Tajiri, Hisao, Pausawasdi, Nonthalee, Dekker, Evelien, Ahmad, Omer F., Sharma, Prateek and Rex, Douglas K. (2023). Benefits and challenges in implementation of artificial intelligence in colonoscopy: World Endoscopy Organization position statement. Digestive Endoscopy, 35 (4), 422-429. doi: 10.1111/den.14531
2022
Journal Article
Measurement of polyp size at colonoscopy: Addressing human and technology bias
Hewett, David G. (2022). Measurement of polyp size at colonoscopy: Addressing human and technology bias. Digestive Endoscopy, 34 (7), 1478-1480. doi: 10.1111/den.14433
2022
Journal Article
Cold snare polypectomy of colorectal polyps ≤ 10 mm on clopidogrel: Australian and New Zealand randomized controlled trial
Ket, Shara, Tjandra, Douglas, Hewett, David G., Kheir, Ammar O., Metz, Andrew J., Moss, Alan, Ogra, Ravinder, Tam, William, Raftopoulos, Spiro, Reynolds, John, Secomb, Robyn, Cavalieri, Lauren, Urquhart, Paul, Gibson, Peter R. and Brown, Gregor (2022). Cold snare polypectomy of colorectal polyps ≤ 10 mm on clopidogrel: Australian and New Zealand randomized controlled trial. Endoscopy International Open, 10 (06), C8-C8. doi: 10.1055/a-1969-9645
2022
Journal Article
Cold snare polypectomy of colorectal polyps ≤ 10 mm on clopidogrel: Australian and New Zealand randomized controlled trial
Ket, Shara, Hewett, David G., Kheir, Ammar O., Metz, Andrew J., Moss, Alan, Ogra, Ravinder, Tjandra, Douglas, Tam, William, Raftopoulos, Spiro, Reynolds, John, Secomb, Robyn, Cavalieri, Lauren, Urquhart, Paul, Gibson, Peter R. and Brown, Gregor (2022). Cold snare polypectomy of colorectal polyps ≤ 10 mm on clopidogrel: Australian and New Zealand randomized controlled trial. Endoscopy International Open, 10 (06), E745-E752. doi: 10.1055/a-1813-1019
2022
Journal Article
The clinical value of “exception item” colonoscopy (MBS item 32228)
Lee See, Michelle, Lee, Antonio, Roberts, Roderick, Friedman, Richard A, Hewett, David G and Worthley, Daniel L (2022). The clinical value of “exception item” colonoscopy (MBS item 32228). Medical Journal of Australia, 216 (2), 94-95. doi: 10.5694/mja2.51241
2021
Journal Article
Distributed leadership in healthcare: leadership dyads and the promise of improved hospital outcomes
Leach, Lori, Hastings, Bradley, Schwarz, Gavin, Watson, Bernadette, Bouckenooghe, Dave, Seoane, Leonardo and Hewett, David (2021). Distributed leadership in healthcare: leadership dyads and the promise of improved hospital outcomes. Leadership in Health Services, 34 (4), 353-374. doi: 10.1108/LHS-03-2021-0011
2021
Journal Article
Risk of delayed bleeding after cold snare polypectomy in patients with antithrombotic therapy
Aizawa, Masato, Utano, Kenichi, Nemoto, Daiki, Isohata, Noriyuki, Endo, Shungo, Tanaka, Noriko, Hewett, David G. and Togashi, Kazutomo (2021). Risk of delayed bleeding after cold snare polypectomy in patients with antithrombotic therapy. Digestive Diseases and Sciences, 67 (5), 1869-1878. doi: 10.1007/s10620-021-06984-6
2020
Journal Article
Piecemeal cold snare polypectomy versus conventional endoscopic mucosal resection for large sessile serrated lesions: a retrospective comparison across two successive periods
van Hattem, W. Arnout, Shahidi, Neal, Vosko, Sergei, Hartley, Imogen, Britto, Kaushali, Sidhu, Mayenaaz, Bar-Yishay, Iddo, Schoeman, Scott, Tate, David James, Byth, Karen, Hewett, David G., Pellisé, María, Hourigan, Luke F., Moss, Alan, Tutticci, Nicholas and Bourke, Michael J. (2020). Piecemeal cold snare polypectomy versus conventional endoscopic mucosal resection for large sessile serrated lesions: a retrospective comparison across two successive periods. Gut, 70 (9), 1691-1697. doi: 10.1136/gutjnl-2020-321753
2020
Conference Publication
Piecemeal coldsnare excision of large sessile serrated polyps is safer and equally efficacious in comparison to conventional endoscopic mucosal resection
van Hattem, Arnout, Shahidi, Neal C., Vosko, Sergei, Hartley, Imogen, Britto, Kaushali, Sidhu, Mayenaaz, Bar-Yishay, Iddo, Schoeman, Scott, Tate, David J., Hewett, David G., Hourigan, Luke F., Moss, Alan, Tutticci, Nicholas J. and Bourke, Michael J. (2020). Piecemeal coldsnare excision of large sessile serrated polyps is safer and equally efficacious in comparison to conventional endoscopic mucosal resection. DDW 2020 Digestive Disease Week, Chicago, IL United States, 2 - 5 May 2020. Philadelphia, PA United States: Elsevier . doi: 10.1016/j.gie.2020.03.056
2020
Journal Article
Practice of endoscopy during COVID-19 pandemic: position statements of the Asian Pacific Society for Digestive Endoscopy (APSDE-COVID statements)
Chiu, Philip Wai Yan, Ng, Siew C., Inoue, Haruhiro, Reddy, D. Nageshwar, Ling Hu, Enqiang, Cho, Joo Young, Ho, Lawrence K.Y., Hewett, David G., Chiu, Han-Mo, Rerknimitr, Rungsun, Wang, Hsiu-Po, Ho, Shiaw Hooi, Seo, Dong Wan, Goh, Khean-Lee, Tajiri, Hisao, Kitano, Seigo and Chan, Francis K. L. (2020). Practice of endoscopy during COVID-19 pandemic: position statements of the Asian Pacific Society for Digestive Endoscopy (APSDE-COVID statements). Gut, 69 (6) 321185, gutjnl-2020. doi: 10.1136/gutjnl-2020-321185
2020
Journal Article
大腸内視鏡検査におけるリドカインの腸管蠕動抑制効果:多施設,二重盲検,ランダム化比較試験(動画付き)
Nemoto, Daiki, Suzuki, Sho, Mori, Hideki, Katsuki, Shinichi, Iwaki, Tomoyuki, Aizawa, Masato, Takeuchi, Yoji, Uraoka, Toshio, Matsuda, Tomoki, Fujita, Tomoki, Hewett, David G. and Togashi, Kazutomo (2020). 大腸内視鏡検査におけるリドカインの腸管蠕動抑制効果:多施設,二重盲検,ランダム化比較試験(動画付き). Gastroenterological Endoscopy, 62 (2), 210-219. doi: 10.11280/gee.62.210
2019
Journal Article
The cold revolution: How far can it go?
Tutticci, Nicholas J., Kheir, Ammar O. and Hewett, David G. (2019). The cold revolution: How far can it go?. Gastrointestinal Endoscopy Clinics of North America, 29 (4), 721-736. doi: 10.1016/j.giec.2019.06.003
2019
Journal Article
Techniques and technologies for increasing adenoma detection at colonoscopy: seeing more with blue
Hewett, David G. (2019). Techniques and technologies for increasing adenoma detection at colonoscopy: seeing more with blue. Gastroenterology, 156 (8), 2126-2128. doi: 10.1053/j.gastro.2019.04.032
2019
Journal Article
Standards of diagnostic colonoscopy for early‐stage neoplasia: recommendations by an Asian private group
Sano, Yasushi, Chiu, Han‐Mo, Li, Xiao‐bo, Khomvilai, Supakij, Pisespongsa, Pises, Co, Jonard Tan, Kawamura, Takuji, Kobayashi, Nozomu, Tanaka, Shinji, Hewett, David G., Takeuchi, Yoji, Imai, Kenichiro, Utsumi, Takahiro, Teramoto, Akira, Hirata, Daizen, Iwatate, Mineo, Singh, Rajvinder, Ng, Siew C., Ho, Shiaw‐Hooi, Chiu, Philip and Tajiri, Hisao (2019). Standards of diagnostic colonoscopy for early‐stage neoplasia: recommendations by an Asian private group. Digestive Endoscopy, 31 (3) den.13330, 227-244. doi: 10.1111/den.13330
2019
Journal Article
Inhibitory effect of lidocaine on colonic spasm during colonoscopy: a multicenter double-blind, randomized controlled trial
Nemoto, Daiki, Suzuki, Sho, Mori, Hideki, Katsuki, Shinichi, Iwaki, Tomoyuki, Aizawa, Masato, Takeuchi, Yoji, Uraoka, Toshio, Matsuda, Tomoki, Fujita, Tomoki, Hewett, David G. and Togashi, Kazutomo (2019). Inhibitory effect of lidocaine on colonic spasm during colonoscopy: a multicenter double-blind, randomized controlled trial. Digestive Endoscopy, 31 (2), 173-179. doi: 10.1111/den.13272
Funding
Past funding
Supervision
Availability
- Associate Professor David Hewett is:
- Available for supervision
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Supervision history
Current supervision
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Doctor Philosophy
Intergroup communication and social identity across educational pathways in sonography
Principal Advisor
Other advisors: Honorary Professor Bernadette Watson
Completed supervision
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2019
Doctor Philosophy
Low-fidelity simulation for surgical training in gynaecology
Principal Advisor
Other advisors: Associate Professor Mike Beckmann
Media
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