Paul E. O’Brien

25.6k total citations · 5 hit papers
273 papers, 18.7k citations indexed

About

Paul E. O’Brien is a scholar working on Surgery, Physiology and Pharmacy. According to data from OpenAlex, Paul E. O’Brien has authored 273 papers receiving a total of 18.7k indexed citations (citations by other indexed papers that have themselves been cited), including 146 papers in Surgery, 70 papers in Physiology and 47 papers in Pharmacy. Recurrent topics in Paul E. O’Brien's work include Bariatric Surgery and Outcomes (101 papers), Obesity and Health Practices (46 papers) and Diet and metabolism studies (45 papers). Paul E. O’Brien is often cited by papers focused on Bariatric Surgery and Outcomes (101 papers), Obesity and Health Practices (46 papers) and Diet and metabolism studies (45 papers). Paul E. O’Brien collaborates with scholars based in Australia, United States and United Kingdom. Paul E. O’Brien's co-authors include John B. Dixon, Wendy A. Brown, Prithi S. Bhathal, Maureen E. Dixon, John Dixon, Stewart Skinner, Leah Brennan, Linda M. Schachter, Cheryl Laurie and Susan L. Colles and has published in prestigious journals such as Science, The Lancet and JAMA.

In The Last Decade

Paul E. O’Brien

267 papers receiving 17.9k citations

Hit Papers

5 papers align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Nonalcoholic Fatty Liver Disease: Predictors of Nonalcoholic Steatohepatitis and Liver Fibrosis in the Severely Obese

2001 1.1k citations John B. Dixon, Paul E. O’Brien et al. profile →
Adjustable Gastric Banding and Conventional Therapy for Type 2 Diabetes

2008 1.0k citations John B. Dixon, Paul E. O’Brien et al. profile →
Nonalcoholic fatty liver disease: Improvement in liver histological analysis with weight loss

2004 576 citations John B. Dixon, Paul E. O’Brien et al. profile →
Long-Term Outcomes After Bariatric Surgery: a Systematic Review and Meta-analysis of Weight Loss at 10 or More Years for All Bariatric Procedures and a Single-Centre Review of 20-Year Outcomes After Adjustable Gastric Banding

2018 474 citations Paul E. O’Brien, Annemarie Hindle et al. Obesity Surgery profile →
Long-Term Outcomes After Bariatric Surgery

2012 373 citations Paul E. O’Brien, Margaret L. Anderson et al. Annals of Surgery profile →

Peers

Countries citing papers authored by Paul E. O’Brien

Since Specialization

Citations

This map shows the geographic impact of Paul E. O’Brien'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 Paul E. O’Brien with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Paul E. O’Brien more than expected).

Fields of papers citing papers by Paul E. O’Brien

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Paul E. O’Brien. 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 Paul E. O’Brien. The network helps show where Paul E. O’Brien may publish in the future.

Co-authorship network of co-authors of Paul E. O’Brien

This figure shows the co-authorship network connecting the top 25 collaborators of Paul E. O’Brien. A scholar is included among the top collaborators of Paul E. O’Brien based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Paul E. O’Brien. Paul E. O’Brien is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Inhibition of mTOR Signaling and Clinical Activity of Rapamycin in Head and Neck Cancer in a Window of Opportunity Trial 2018 ·Clinical Cancer Research ·Terry A. Day, Keisuke Shirai, Paul E. O’Brien, Maria Gisele Matheus, (unknown), Amit J. Sood, Anvesh Kompelli, (unknown), Daniel Martı́n, Lynn Vitale‐Cross, (unknown), Zhiyong Wang, Xingyu Wu, Olivier Harismendy, Alfredo Molinolo, Scott M. Lippman, Carter Van Waes, Éva Szabó, J. Silvio Gutkind	67
2	Long-Term Outcomes After Bariatric Surgery: a Systematic Review and Meta-analysis of Weight Loss at 10 or More Years for All Bariatric Procedures and a Single-Centre Review of 20-Year Outcomes After Adjustable Gastric Banding breakdown → 2018 ·Obesity Surgery ·Paul E. O’Brien, Annemarie Hindle, Leah Brennan, Stewart Skinner, Paul R. Burton, Andrew Smith, Gary Crosthwaite, Wendy A. Brown	474
3	Weight loss after laparoscopic adjustable gastric band and resolution of the metabolic syndrome and its components 2017 ·International Journal of Obesity ·(unknown), Lisa Doyle, (unknown), John M. Wentworth, Cheryl Laurie, Arul Earnest, Michael A. Cowley, Ken Sikaris, Carel W. le Roux, (unknown), Paul E. O’Brien, Wendy A. Brown	18
4	Gastric Band Surgery Leads to Improved Insulin Secretion in Overweight People with Type 2 Diabetes 2015 ·Obesity Surgery ·John M. Wentworth, Julie Playfair, Cheryl Laurie, Wendy A. Brown, Paul R. Burton, Jonathan E. Shaw, Paul E. O’Brien	4
5	Measurement of Disordered Eating Following Bariatric Surgery: a Systematic Review of the Literature 2014 ·Obesity Surgery ·Katrina Parker, Paul E. O’Brien, Leah Brennan	10
6	PWE-189 Sglt3A and Glp-1 Display a Diurnal Rhymicity of Mrna Expression in Mouse Proximal small Bowel 2013 ·Gut ·(unknown), Paul E. O’Brien, Christopher Corpe	2
7	Phosphodiesterase-4 Inhibition Combined with Isoniazid Treatment of Rabbits with Pulmonary Tuberculosis Reduces Macrophage Activation and Lung Pathology 2011 ·American Journal Of Pathology ·Selvakumar Subbian, Liana Tsenova, Paul E. O’Brien, Guibin Yang, Mi-Sun Koo, Blas Peixoto, Dorothy Fallows, Jerome B. Zeldis, George W. Muller, Gilla Kaplan	68
8	Cost-effectiveness of surgically induced weight loss for the management of type-2 diabetes: randomised trial 2008 ·International Journal of Obesity ·C. Keating, Marj Moodie, Paul E. O’Brien, Anna Peeters, John B. Dixon	1
9	A phase I study of temsirolimus in combination with metformin in advanced solid tumors 2008 ·Clinical Cancer Research ·Mary J. MacKenzie, Eric Winquist, Scott Ernst, Craig A. Johnson, Paul E. O’Brien	1
10	Raised CRP Levels in Obese Patients: Symptoms of Depression Have an Independent Positive Association 2008 ·Obesity ·John Dixon, Melissa J. Hayden, Gavin Lambert, Tye Dawood, Margaret L. Anderson, Maureen E. Dixon, Paul E. O’Brien	32
11	Substantial Intentional Weight Loss and Mortality in the Severely Obese 2007 ·Annals of Surgery ·Anna Peeters, Paul E. O’Brien, Cheryl Laurie, Margaret Anderson, Rory Wolfe, David R. Flum, Robert J. MacInnis, Dallas R. English, John B. Dixon	98
12	Tratamiento de quiste dentígero bilateral mandibular por medio de dos tipos de tratamientos: Relato de caso clínico y comparación entre las técnicas 2007 ·Acta odontológica venezolana ·(unknown), Paul E. O’Brien, Francisco Haiter‐Neto, Márcio de Moraes	1
13	EXPANSIÓN RÁPIDA DEL MAXILAR QUIRÚRGICAMENTE ASISTIDA, ABORDAJE UNILATERAL 2007 ·Acta odontológica venezolana ·José Rodrigues Laureano Filho, (unknown), Paul E. O’Brien, (unknown)	1
14	Evaluación clínica y radiográfica de la técnica de distracción osteogénica en la reconstrucción de rebordes alveolares atróficos en la región anterior del maxilar superior 2005 ·Revista Española de Cirugía Oral y Maxilofacial ·(unknown), Paul E. O’Brien, Renato Mazzonetto	3
15	Generic context driven situation detection and management 2005 ·Queensland's institutional digital repository (The University of Queensland) ·Paul E. O’Brien, Robert M. Colomb	1
16	Lap-Band ^® : Outcomes and Results 2003 ·Journal of Laparoendoscopic & Advanced Surgical Techniques ·Paul E. O’Brien, John B. Dixon	111
17	Prediction of Outcome in Intensive Care Unit Trauma Patients 1999 ·PubMed ·Mary J. Vassar, Frank R. Lewis, (unknown), Richard J. Mullins, Paul E. O’Brien, John A. Weigelt, (unknown), James W. Holcroft	63
18	Effect of gastric secretory inhibitors on the gastric mucosal barrier. 1975 ·Gut ·Paul E. O’Brien, (unknown)	49
19	Response of secreting and nonsecreting gastric mucosa to H+ back-diffusion. 1975 ·Munich Personal RePEc Archive (Ludwig Maximilian University of Munich) ·Paul E. O’Brien, David Fromm, William Silen	3
20	Aplasia cutis congenita 1974 ·Journal of Pediatric Surgery ·(unknown), (unknown), Robert G. Evans, (unknown), Paul E. O’Brien	3

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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