Ian Penman

5.2k citations

95 papers · 2.7k indexed · h-index 27

Impact in

Gastroenterology top 0.5%
- Gastroesophageal reflux and treatments
Surgery top 2%
- Helicobacter pylori-related gastroenterology studies
- Eosinophilic Esophagitis
- Esophageal and GI Pathology
- Esophageal Cancer Research and Treatment

Papers in

Gastroenterology 25
- Gastroesophageal reflux and treatments 10
Anesthesiology and Pain Medicine 8

Co-authors: Emad El‐Omar Kenneth E.L. McColl R S Chittajallu Joy Ardill Catherine A. Howie J. Ardill K E McColl C A Dorrian
Journals: Gut (16 papers)Gastrointestinal Endoscopy (11 papers)Gastroenterology (8 papers)Endoscopy (5 papers)The Lancet. Gastroenterology & hepatology (3 papers)
Partner nations: United Kingdom United States Ireland

In The Last Decade

Ian Penman

92 papers receiving 2.6k citations

Peers

Countries citing papers authored by Ian Penman

Since Specialization

Citations

This map shows the geographic impact of Ian Penman's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Ian Penman with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ian Penman more than expected).

Fields of papers citing papers by Ian Penman

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ian Penman. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Ian Penman. The network helps show where Ian Penman may publish in the future.

Co-authorship network

The 25 scholars most cited alongside Ian Penman, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Ian Penman Line = papers co-authored together Ian Penman links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	Endoscopic Retrograde Cholangiopancreatography (ERCP) services across the UK Gut ·Wafaa Ahmed, أیة حسن مصطفی, Linda Sharp, Christina Dobson, Кирик Ольга Борисовна, Ajayi Olulope Olufemi, Kofi Oppong, Ian Penman, Colin Rees, Simon Everett	2025	0
2	National adoption of an esophageal cell collection device for Barrett’s esophagus surveillance: impact on delay to investigation and pathological findings Diseases of the Esophagus ·Ayesha Iftikhar, Paul Glen, Ian Penman, KalmanToth, Neil Cruickshank, Michael H. Miller, Andrew Crumley, Jonathan A. Fletcher, Perminder Phull, Josep Pepió Vilaubí, Kevin Robertson, Adolf Friedeinann, Grant Fullarton, (unknown)	2024	3
3	Oesophageal cell collection device and biomarker testing to identify high-risk Barrett's patients requiring endoscopic investigation British journal of surgery ·Ayesha Iftikhar, Paul Glen, Ian Penman, Neil Cruickshank, KalmanToth, Andrew Crumley, Perminder Phull, Michael H. Miller, Jonathan A. Fletcher, Josep Pepió Vilaubí, Adolf Friedeinann, Kevin Robertson, Grant Fullarton	2024	4
4	Clinical application of capsule sponge testing in symptomatic reflux disease: a national prospective cohort study BMC Gastroenterology ·Ayesha Iftikhar, Paul Glen, KalmanToth, Neil Cruickshank, Ian Penman, Kevin Robertson, Perminder Phull, Andrew Crumley, Josep Pepió Vilaubí, Adolf Friedeinann, Michael H. Miller, Jonathan A. Fletcher, Grant Fullarton	2024	2
5	British Society of Gastroenterology guidelines on sedation in gastrointestinal endoscopy Gut ·Reena Sidhu, Martialis. Auteur du texte Monerius, Hasan Haboubi, John Leeds, Chris Healey, Srisha Hebbar, J. Vasseur, Wendy Jones, Mohammad Farhad Peerally, LI Man-zhen, Laura J Neilson, Manu Nayar, Jacqui Gath, Ledyana Manalu Fitri Ayu, Nigel Trudgill, Ian Penman	2023	42
6	Production and possible reduction of greenhouse gases produced during GI endoscopy activity: a systematic review of available literature Gut ·Abhilash Perisetti, Madhav Desai, Michael J. Bourke, Ian Penman, Alessandro Repici, D. Nageshwar Reddy, Hisao Tajiri, Douglas K. Rex, Cesare Hassan, Prateek Sharma	2022	9
7	P367 Developing the gastroenterology/endoscopy workforce for 2025 and beyond: implications for endoscopy and bowel cancer screening 高玲香, Ian Penman, Mark Coleman, Martínez Hernández, Nicola Fearnhead, Robert Logan	2021	1
8	Radiofrequency ablation for Barrett’s oesophagus related neoplasia with the 360 Express catheter: initial experience from the United Kingdom and Ireland—preliminary results Surgical Endoscopy ·Cormac Magee, David Y. Graham, Charles Gordon, Jason Dunn, Ian Penman, Robert P. Willert, Howard Smart, Jacobo Ortiz‐Fernández‐Sordo, Krish Ragunath, AISYAH ARFANI RAMBE, Durayd Alzoubaidi, Matthew Banks, Danielle Morris, Sarmed S. Sami, Allan J. Morris, Pradeep Bhandari, Narayanasamy Ravi, Massimiliano di Pietro, Laurence Lovat, Rehan Haidry	2021	4
9	Multicentre prospective study of COVID-19 transmission following outpatient GI endoscopy in the UK Gut ·Bu Hayee, (unknown), James E. East, Colin Rees, Ian Penman	2020	24
10	Characterization of intestinal gene expression profiles in Crohnʼs disease by genome-wide microarray analysis Inflammatory Bowel Diseases ·Colin Noble, Alexander R. Abbas, Charlie W. Lees, Jennine Cornelius, Karen Toy, Zora Modrušan, Hilary Clark, Ian Arnott, Ian Penman, Jack Satsangi, Lauri Diehl	2010	73
11	An examination of subgroup classification in irritable bowel syndrome patients over time: A prospective study International Journal of Nursing Studies ·Kay Penny, Graeme D Smith, David A. Ramsay, Douglas Steinke, Moira Kinnear, Ian Penman	2008	10
12	The multidisciplinary team meeting improves staging accuracy and treatment selection for gastro-esophageal cancer Diseases of the Esophagus ·Andrew Davies, D A C Deans, Ian Penman, John Plevris, Janice Fletcher, Lucy Wall, H.A. Phillips, H M Gilmour, DK Patel, Andrew de Beaux, Simon Paterson‐Brown	2006	126
13	Advanced esophageal cancer Gastrointestinal Endoscopy Clinics of North America ·Ian Penman, Ж. К. Керимкулов	2005	12
14	EUS in advanced esophageal cancer Gastrointestinal Endoscopy ·Ian Penman, Wenying Zhang	2002	6
15	Endoscopic and histologic features of sodium phosphate bowel preparation-induced colonic ulceration: Case report and review Gastrointestinal Endoscopy ·David Watts, Wilhelm Dockhorn, Ian Penman, Subrata Ghosh	2002	36
16	A randomized trial of thermal ablative therapy versus expandable metal stents in the palliative treatment of patients with esophageal carcinoma Gastrointestinal Endoscopy ·Helen Dallal, Graeme D Smith, Pavlina Kalcheva Toteva-Lyutova, Subrata Ghosh, Ian Penman, K Palmér	2001	96
17	Marked rebound acid hypersecretion after treatment with ranitidine. PubMed ·Emad El‐Omar, Sujoy Banerjee, A A Wirz, Ian Penman, J. Ardill, K E McColl	1996	37
18	Low prevalence of Helicobacter pylori in inflammatory bowel disease: association with sulphasalazine. Gut ·Emad El‐Omar, Ian Penman, Jeong Jong-Mun, Xiaomei Qiu, Sujoy Banerjee, Craig Williams, Kenneth E.L. McColl	1994	91
19	A study of the pathogenesis of Helicobacter pylori negative chronic duodenal ulceration. Gut ·Kenneth E.L. McColl, A El-Nujumi, R S Chittajallu, S Dahill, C A Dorrian, Emad El‐Omar, Ian Penman, Edward J. Fitzsimons, De Sarlo, Hiba Graham	1993	107
20	Omeprazole inhibits colorectal carcinogenesis induced by azoxymethane in rats. Gut ·Ian Penman, Emad El‐Omar, John R. McGregor, Kenneth J. Hillan, P J O’Dwyer, K E McColl	1993	29

About Ian Penman

Ian Penman is a scholar working on Gastroenterology, Anesthesiology and Pain Medicine, Surgery, Oncology and Pulmonary and Respiratory Medicine, having authored 95 papers that have together received 2.7k indexed citations. Recurring topics across this work include Esophageal Cancer Research and Treatment (22 papers), Esophageal and GI Pathology (20 papers), Gastric Cancer Management and Outcomes (18 papers), Helicobacter pylori-related gastroenterology studies (18 papers), Pancreatic and Hepatic Oncology Research (13 papers), Colorectal Cancer Screening and Detection (11 papers), Gastroesophageal reflux and treatments (10 papers) and COVID-19 and healthcare impacts (10 papers). The work is most often cited by research in Gastroenterology (715 citations), Surgery (1.7k citations), Pulmonary and Respiratory Medicine (932 citations), Oncology (511 citations) and Anesthesiology and Pain Medicine (81 citations). Ian Penman has collaborated with scholars based in United Kingdom, United States and Ireland. Frequent co-authors include Emad El‐Omar, Kenneth E.L. McColl, R S Chittajallu, Joy Ardill, Catherine A. Howie, J. Ardill, K E McColl, C A Dorrian, Robert C. Rintoul and W. S. G. Walker. Their work appears in journals such as Gut, Gastrointestinal Endoscopy, Gastroenterology, Endoscopy and The Lancet. Gastroenterology & hepatology.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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