Stephen J. Ryan

18.1k total citations · 1 hit paper
331 papers, 13.2k citations indexed

About

Stephen J. Ryan is a scholar working on Ophthalmology, Radiology, Nuclear Medicine and Imaging and Molecular Biology. According to data from OpenAlex, Stephen J. Ryan has authored 331 papers receiving a total of 13.2k indexed citations (citations by other indexed papers that have themselves been cited), including 164 papers in Ophthalmology, 100 papers in Radiology, Nuclear Medicine and Imaging and 90 papers in Molecular Biology. Recurrent topics in Stephen J. Ryan's work include Retinal Diseases and Treatments (80 papers), Retinal and Macular Surgery (79 papers) and Obstructive Sleep Apnea Research (71 papers). Stephen J. Ryan is often cited by papers focused on Retinal Diseases and Treatments (80 papers), Retinal and Macular Surgery (79 papers) and Obstructive Sleep Apnea Research (71 papers). Stephen J. Ryan collaborates with scholars based in United States, Ireland and Germany. Stephen J. Ryan's co-authors include Walter T. McNicholas, David R. Hinton, Cormac T. Taylor, Christine Spee, Nino Sorgente, Philip E. Cleary, Shikun He, A. Edward Maumenee, Ram Kannan and Brian D. Kent and has published in prestigious journals such as Journal of Biological Chemistry, Circulation and Journal of Neuroscience.

In The Last Decade

Stephen J. Ryan

319 papers receiving 12.6k citations

Hit 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.

Selective Activation of Inflammatory Pathways by Intermittent Hypoxia in Obstructive Sleep Apnea Syndrome

2005 747 citations Stephen J. Ryan, Cormac T. Taylor et al. profile →

Peers

Countries citing papers authored by Stephen J. Ryan

Since Specialization

Citations

This map shows the geographic impact of Stephen J. Ryan'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 Stephen J. Ryan with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Stephen J. Ryan more than expected).

Fields of papers citing papers by Stephen J. Ryan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Stephen J. Ryan. 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 Stephen J. Ryan. The network helps show where Stephen J. Ryan may publish in the future.

Co-authorship network of co-authors of Stephen J. Ryan

This figure shows the co-authorship network connecting the top 25 collaborators of Stephen J. Ryan. A scholar is included among the top collaborators of Stephen J. Ryan 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 Stephen J. Ryan. Stephen J. Ryan 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	Dose–response relationship between obstructive sleep apnoea severity and C-reactive protein levels: data from the European Sleep Apnoea Database 2025 ·ERJ Open Research ·Ludger Grote, Haralampos Gouveris, (unknown), Johan Verbraecken, Özen K. Başoğlu, Sophia Schiza, Ondřej Ludka, Stephen J. Ryan, Pavol Joppa, Francesco Fanfulla, Ștefan Mihăicuță, Tarja Saaresranta, Paweł Śliwiński, Jan Hedner, Jean‐Louis Pépin, Sébastien Bailly, (unknown)	0
2	Management of Adult Obstructive Sleep Apnoea: Many Questions, Not Enough Answers! 2025 ·Journal of Sleep Research ·M. Stańczyk, Walter T. McNicholas, Dirk Pevernagie, Renata L. Riha, Stephen J. Ryan	2
3	What will the impact be of use of tirzepatide in patients with obstructive sleep apnea (OSA)? 2025 ·SLEEP ·Allan I Pack, Ronald R. Grunstein, Babak Mokhlesi, Stephen J. Ryan, R Schwab, David Gozal	2
4	The modified Baveno classification for obstructive sleep apnoea: development and evaluation based on the ESADA database 2024 ·European Respiratory Journal ·Sandhya Matthes, Marcel Treml, Ludger Grote, Jan Hedner, Ding Zou, Maria R. Bonsignore, Jean‐Louis Pépin, Sébastien Bailly, Stephen J. Ryan, Walter T. McNicholas, Sofia Schiza, Johan Verbraecken, Athanasia Pataka, Paweł Śliwiński, Özen K. Başoğlu, Carolina Lombardi, Gianfranco Parati, Winfried Randerath	4
5	GLP‐1 therapy increases visceral adipose tissue metabolic activity: lessons from a randomized controlled trial in obstructive sleep apnea 2024 ·Obesity ·(unknown), (unknown), Andrew E. Hogan, (unknown), (unknown), Jonathan D. Dodd, David J. Murphy, Stephen J. Ryan, Donal O’Shea	3
6	100 Prevalence of probable sarcopenia and associated factors in older adults undergoing Comprehensive Geriatric Assessment 2023 ·Age and Ageing ·(unknown), (unknown), Stephen J. Ryan, (unknown), (unknown)	1
7	Continuous Positive Airway Pressure But Not GLP1-Mediated Weight Loss Improves Early Cardiovascular Disease in Obstructive Sleep Apnea: A Randomized Proof-of-Concept Study 2023 ·Annals of the American Thoracic Society ·(unknown), (unknown), (unknown), Brian O’Riordan, (unknown), (unknown), Kenneth McDonald, Mark Ledwidge, Donal O’Shea, David J. Murphy, Jonathan D. Dodd, Stephen J. Ryan	26
8	Evaluation of a multicomponent grading system for obstructive sleep apnoea: the Baveno classification 2021 ·ERJ Open Research ·Winfried Randerath, Simon Herkenrath, Marcel Treml, Ludger Grote, Jan Hedner, Maria R. Bonsignore, Jean‐Louis Pépin, Stephen J. Ryan, Sophia Schiza, Johan Verbraecken, Walter T. McNicholas, Athanasia Pataka, Paweł Śliwiński, Özen K. Başoğlu	39
9	Non-dipping nocturnal blood pressure correlates with obstructive sleep apnoea severity in normotensive subjects and may reverse with therapy 2021 ·ERJ Open Research ·Sophie J. Crinion, (unknown), Brian D. Kent, Geraldine Nolan, Cormac T. Taylor, Stephen J. Ryan, Walter T. McNicholas	11
10	Impact of temperature on obstructive sleep apnoea in three different climate zones of Europe: Data from the European Sleep Apnoea Database (ESADA) 2021 ·Journal of Sleep Research ·Richard Staats, Sébastien Bailly, (unknown), Stephen J. Ryan, Renata L. Riha, Sophia Schiza, Johan Verbraecken, Özen K. Başoğlu, Tarja Saaresranta, Athanasia Pataka, Ondřej Ludka, Carolina Lombardi, Jan Hedner, Ludger Grote, (unknown)	6
11	Estimation of respiration rate and sleeping position using a wearable accelerometer 2020 ·PubMed ·Emer P. Doheny, Madeleine M. Lowery, Audrey Russell, Stephen J. Ryan	24
12	Understanding the pathophysiological mechanisms of cardiometabolic complications in obstructive sleep apnoea: towards personalised treatment approaches 2020 ·European Respiratory Journal ·Stephen J. Ryan, Eoin P. Cummins, Ramón Farré, Alex Gileles‐Hillel, Jonathan C. Jun, Henrik Oster, Jean‐Louis Pépin, David Ray, Sirimon Reutrakul, Manuel Sánchez‐de‐la‐Torre, Renaud Tamisier, Isaac Almendros	43
13	European Respiratory Society statement on sleep apnoea, sleepiness and driving risk 2020 ·European Respiratory Journal ·Maria R. Bonsignore, Winfried Randerath, Sofia Schiza, Johan Verbraecken, Mark Elliott, Renata L. Riha, Ferrán Barbé, Izolde Bouloukaki, Alessandra Castrogiovanni, (unknown), Marta Gonçalves, Damien Léger, Oreste Marrone, Thomas Penzel, Stephen J. Ryan, (unknown), Joaquín Téran‐Santos, Cecilia Turino, Walter T. McNicholas	49
14	Adipose tissue as a key player in obstructive sleep apnoea 2019 ·European Respiratory Review ·Stephen J. Ryan, Claire Arnaud, Susan F. Fitzpatrick, Jonathan Gaucher, Renaud Tamisier, Jean‐Louis Pépin	82
15	Adipose tissue inflammation by intermittent hypoxia: mechanistic link between obstructive sleep apnoea and metabolic dysfunction 2016 ·The Journal of Physiology ·Stephen J. Ryan	122
16	Management education in Australia: relevance lost? 2008 ·NOVA (University of Newcastle Australia) ·Stephen J. Ryan, James Guthrie	1
17	Significant Role of Mitochondrial A and B Crystallins in Oxidative and ER Stress Induced Apoptosis in RPE 2005 ·Investigative Ophthalmology & Visual Science ·(unknown), Ram Kannan, E. Barrón, Christine Spee, Eric F. Wawrousek, Stephen J. Ryan, David R. Hinton	1
18	Participation, equity and outcomes: enterprise bargaining in three female-dominated workplaces in Newcastle 1997 ·NOVA (University of Newcastle Australia) ·John Burgess, Glenda Strachan, (unknown), (unknown), (unknown), Stephen J. Ryan	1
19	Cytokine effect on fibronectin release by retinal pigment epithelial cells 1994 ·Current Eye Research ·(unknown), (unknown), Junjie Ye, Stephen J. Ryan	23
20	An indwelling cannula system for the primate eye 1985 ·Journal of Neuroscience ·Stephen J. Ryan	0

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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