Alastair O’Brien

135 total papers · 3.5k total citations
64 papers, 1.9k citations indexed

About

Alastair O’Brien is a scholar working on Epidemiology, Hepatology and Pharmacology. According to data from OpenAlex, Alastair O’Brien has authored 64 papers receiving a total of 1.9k indexed citations (citations by other indexed papers that have themselves been cited), including 44 papers in Epidemiology, 41 papers in Hepatology and 14 papers in Pharmacology. Recurrent topics in Alastair O’Brien's work include Liver Disease Diagnosis and Treatment (43 papers), Liver Disease and Transplantation (37 papers) and Drug-Induced Hepatotoxicity and Protection (14 papers). Alastair O’Brien is often cited by papers focused on Liver Disease Diagnosis and Treatment (43 papers), Liver Disease and Transplantation (37 papers) and Drug-Induced Hepatotoxicity and Protection (14 papers). Alastair O’Brien collaborates with scholars based in United Kingdom, United States and Spain. Alastair O’Brien's co-authors include Derek W. Gilroy, Louise China, James N. Fullerton, Roger Williams, Mervyn Singer, Suvi Härmälä, Ewan Forrest, Pere Ginès, Paolo Caraceni and Nick Freemantle and has published in prestigious journals such as New England Journal of Medicine, Proceedings of the National Academy of Sciences and The Lancet.

In The Last Decade

Alastair O’Brien

59 papers receiving 1.9k citations

Hit Papers

normalize citations (0→100%) normalize lifespan (0→100%) sort by overperformance

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 benchmark for papers published in the same subfield and year, or reaches the top citation threshold in at least one of its specific research topics.

Guidelines on the management of ascites in cirrhosis

2020 236 citations Guruprasad P. Aithal, Naaventhan Palaniyappan et al. Gut profile →
Albumin in decompensated cirrhosis: new concepts and perspectives

2020 206 citations Mauro Bernardi, Paolo Angeli et al. Gut profile →
A Randomized Trial of Albumin Infusions in Hospitalized Patients with Cirrhosis

2021 190 citations Louise China, Nick Freemantle et al. New England Journal of Medicine profile →

Author Peers

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

Author						Papers	Cites
Alastair O’Brien	1.1k	1.1k	452	236	226	64	1.9k
Elisa Pose	1.4k 1.2×	1.5k 1.4×	534 1.2×	283 1.2×	376 1.7×	70	2.4k
Eray Yagmur	702 0.6×	1.1k 0.9×	318 0.7×	165 0.7×	365 1.6×	61	2.1k
Eric S. Orman	1.1k 0.9×	886 0.8×	917 2.0×	182 0.8×	179 0.8×	92	2.2k
Emilio Fábrega	1.2k 1.1×	1.3k 1.1×	758 1.7×	90 0.4×	173 0.8×	96	2.1k
Rakhi Maiwall	1.7k 1.5×	1.6k 1.4×	713 1.6×	357 1.5×	280 1.2×	139	2.6k
Alessandra Colantoni	1.2k 1.1×	1.2k 1.1×	444 1.0×	122 0.5×	556 2.5×	90	2.7k
Ziv Ben‐Ari	1.2k 1.0×	1.1k 1.0×	456 1.0×	111 0.5×	288 1.3×	91	2.0k
Hans Blokzijl	659 0.6×	1.0k 0.9×	440 1.0×	118 0.5×	537 2.4×	103	2.1k
Jens Otto Clemmesen	1.2k 1.1×	787 0.7×	579 1.3×	418 1.8×	243 1.1×	31	1.9k
L Ranek	1.5k 1.3×	1.3k 1.2×	519 1.1×	413 1.8×	131 0.6×	79	2.4k

Countries citing papers authored by Alastair O’Brien

Since Specialization

Citations

This map shows the geographic impact of Alastair 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 Alastair 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 Alastair O’Brien more than expected).

Fields of papers citing papers by Alastair O’Brien

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Alastair O’Brien

This figure shows the co-authorship network connecting the top 25 collaborators of Alastair O’Brien. A scholar is included among the top collaborators of Alastair 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 Alastair O’Brien. Alastair 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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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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