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

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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, Leah Brennan et al. Annals of Surgery profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
Paul E. O’Brien	10.1k	6.3k	3.7k	3.3k	2.2k	273	18.7k
Caroline M. Apovian	3.7k 0.4×	7.3k 1.2×	2.5k 0.7×	2.2k 0.6×	3.5k 1.6×	197	17.4k
Nicholas J. Talley	23.0k 2.3×	4.1k 0.6×	3.2k 0.9×	2.1k 0.6×	499 0.2×	776	35.6k
Hans Hauner	3.3k 0.3×	8.7k 1.4×	6.6k 1.8×	1.0k 0.3×	3.5k 1.6×	503	22.7k
Christoph Beglinger	8.4k 0.8×	4.2k 0.7×	2.7k 0.7×	508 0.2×	3.7k 1.7×	346	19.9k
Arnaud Basdevant	2.8k 0.3×	6.1k 1.0×	4.4k 1.2×	750 0.2×	1.7k 0.8×	123	13.8k
Sonia Caprio	4.0k 0.4×	7.0k 1.1×	6.4k 1.7×	1.3k 0.4×	9.6k 4.4×	260	24.3k
Lee M. Kaplan	3.9k 0.4×	3.9k 0.6×	1.9k 0.5×	799 0.2×	1.9k 0.9×	147	11.0k
Martin Wabitsch	1.8k 0.2×	6.2k 1.0×	5.0k 1.3×	536 0.2×	2.6k 1.2×	505	17.9k
Peter J. Whorwell	5.7k 0.6×	3.8k 0.6×	1.7k 0.5×	2.1k 0.6×	228 0.1×	330	18.0k
Richard N. Pierson	5.7k 0.6×	6.0k 1.0×	1.3k 0.3×	348 0.1×	1.1k 0.5×	372	17.7k

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

Day, Terry A., Keisuke Shirai, Paul E. O’Brien, et al.. (2018). Inhibition of mTOR Signaling and Clinical Activity of Rapamycin in Head and Neck Cancer in a Window of Opportunity Trial. Clinical Cancer Research. 25(4). 1156–1164. 67 indexed citations

O’Brien, Paul E., Annemarie Hindle, Leah Brennan, et al.. (2018). 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. Obesity Surgery. 29(1). 3–14. 474 indexed citations breakdown →

Doyle, Lisa, John M. Wentworth, Cheryl Laurie, et al.. (2017). Weight loss after laparoscopic adjustable gastric band and resolution of the metabolic syndrome and its components. International Journal of Obesity. 41(6). 902–908. 18 indexed citations

Wentworth, John M., Julie Playfair, Cheryl Laurie, et al.. (2015). Gastric Band Surgery Leads to Improved Insulin Secretion in Overweight People with Type 2 Diabetes. Obesity Surgery. 25(12). 2400–2407. 4 indexed citations

Tsenova, Liana, Paul E. O’Brien, Blas Peixoto, et al.. (2014). Etanercept Exacerbates Inflammation and Pathology in a Rabbit Model of Active Pulmonary Tuberculosis. Journal of Interferon & Cytokine Research. 34(9). 716–726. 17 indexed citations

O’Brien, Paul E., et al.. (2013). PWE-189 Sglt3A and Glp-1 Display a Diurnal Rhymicity of Mrna Expression in Mouse Proximal small Bowel. Gut. 62(Suppl 1). A207.2–A207. 2 indexed citations

Subbian, Selvakumar, Liana Tsenova, Paul E. O’Brien, et al.. (2011). Phosphodiesterase-4 Inhibition Combined with Isoniazid Treatment of Rabbits with Pulmonary Tuberculosis Reduces Macrophage Activation and Lung Pathology. American Journal Of Pathology. 179(1). 289–301. 68 indexed citations

Egberts, Kristine J, Wendy A. Brown, & Paul E. O’Brien. (2011). Systematic Review of Erosion after Laparoscopic Adjustable Gastric Banding. Obesity Surgery. 21(8). 1272–1279. 60 indexed citations

Keating, C., Marj Moodie, Paul E. O’Brien, Anna Peeters, & John B. Dixon. (2008). Cost-effectiveness of surgically induced weight loss for the management of type-2 diabetes: randomised trial. International Journal of Obesity. 1 indexed citations

10.

MacKenzie, Mary J., Eric Winquist, Scott Ernst, Craig A. Johnson, & Paul E. O’Brien. (2008). A phase I study of temsirolimus in combination with metformin in advanced solid tumors. Clinical Cancer Research. 14. 1 indexed citations

11.

Peeters, Anna, Paul E. O’Brien, Cheryl Laurie, et al.. (2007). Substantial Intentional Weight Loss and Mortality in the Severely Obese. Annals of Surgery. 246(6). 1028–1033. 98 indexed citations

12.

O’Brien, Paul E., et al.. (2007). Tratamiento de quiste dentígero bilateral mandibular por medio de dos tipos de tratamientos: Relato de caso clínico y comparación entre las técnicas. Acta odontológica venezolana. 45(1). 109–112. 1 indexed citations

13.

Filho, José Rodrigues Laureano, et al.. (2007). EXPANSIÓN RÁPIDA DEL MAXILAR QUIRÚRGICAMENTE ASISTIDA, ABORDAJE UNILATERAL. Acta odontológica venezolana. 45(2). 267–272. 1 indexed citations

14.

O’Brien, Paul E., et al.. (2005). Evaluación clínica y radiográfica de la técnica de distracción osteogénica en la reconstrucción de rebordes alveolares atróficos en la región anterior del maxilar superior. Revista Española de Cirugía Oral y Maxilofacial. 27(3). 3 indexed citations

15.

O’Brien, Paul E. & Robert M. Colomb. (2005). Generic context driven situation detection and management. Queensland's institutional digital repository (The University of Queensland). 101–106. 1 indexed citations

16.

O’Brien, Paul E. & John B. Dixon. (2003). Lap-Band ^® : Outcomes and Results. Journal of Laparoendoscopic & Advanced Surgical Techniques. 13(4). 265–270. 111 indexed citations

17.

Vassar, Mary J., Frank R. Lewis, Richard J. Mullins, et al.. (1999). Prediction of Outcome in Intensive Care Unit Trauma Patients. PubMed. 47(2). 324–329. 63 indexed citations

18.

O’Brien, Paul E., et al.. (1975). Effect of gastric secretory inhibitors on the gastric mucosal barrier.. Gut. 16(6). 437–442. 49 indexed citations

19.

O’Brien, Paul E., David Fromm, & William Silen. (1975). Response of secreting and nonsecreting gastric mucosa to H+ back-diffusion.. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 26. 378–80. 3 indexed citations

20.

Evans, Robert G., et al.. (1974). Aplasia cutis congenita. Journal of Pediatric Surgery. 9(3). 415–416. 3 indexed citations

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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