R. Fletcher

4.5k total citations · 2 hit papers
112 papers, 2.8k citations indexed

About

R. Fletcher is a scholar working on Pulmonary and Respiratory Medicine, Cardiology and Cardiovascular Medicine and Surgery. According to data from OpenAlex, R. Fletcher has authored 112 papers receiving a total of 2.8k indexed citations (citations by other indexed papers that have themselves been cited), including 39 papers in Pulmonary and Respiratory Medicine, 29 papers in Cardiology and Cardiovascular Medicine and 27 papers in Surgery. Recurrent topics in R. Fletcher's work include Non-Invasive Vital Sign Monitoring (21 papers), Respiratory Support and Mechanisms (20 papers) and Hemodynamic Monitoring and Therapy (17 papers). R. Fletcher is often cited by papers focused on Non-Invasive Vital Sign Monitoring (21 papers), Respiratory Support and Mechanisms (20 papers) and Hemodynamic Monitoring and Therapy (17 papers). R. Fletcher collaborates with scholars based in United States, Sweden and United Kingdom. R. Fletcher's co-authors include B. Jonson, Mohamed Elgendi, Derek Abbott, Nigel H. Lovell, Rabab Ward, Newton Howard, J.S. Brew, G. Cumming, Kenneth Lim and Yongbo Liang and has published in prestigious journals such as Journal of Clinical Oncology, SHILAP Revista de lepidopterología and Annals of Surgery.

In The Last Decade

R. Fletcher

108 papers receiving 2.7k 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.

The use of photoplethysmography for assessing hypertension

2019 409 citations Mohamed Elgendi, R. Fletcher et al. npj Digital Medicine profile →
Digital twins for health: a scoping review

2024 220 citations Evangelia Katsoulakis, Qi Wang et al. npj Digital Medicine profile →

Peers

Countries citing papers authored by R. Fletcher

Since Specialization

Citations

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

Fields of papers citing papers by R. Fletcher

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by R. Fletcher. 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 R. Fletcher. The network helps show where R. Fletcher may publish in the future.

Co-authorship network of co-authors of R. Fletcher

This figure shows the co-authorship network connecting the top 25 collaborators of R. Fletcher. A scholar is included among the top collaborators of R. Fletcher 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 R. Fletcher. R. Fletcher is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work	Indexed citations
1	Vital signs-based healthcare kiosks for screening chronic and infectious diseases: a systematic review 2025 ·Communications Medicine ·(unknown), Aymen Alian, R. Fletcher, Hagen Bomberg, Urs Eichenberger, Carlo Menon, Mohamed Elgendi	1
2	Recommendations for evaluating photoplethysmography-based algorithms for blood pressure assessment 2024 ·SHILAP Revista de lepidopterología ·Mohamed Elgendi, (unknown), R. Fletcher, John Allen, Hang‐Sik Shin, Aymen Alian, Carlo Menon	7
3	Digital twins for health: a scoping review breakdown → 2024 ·npj Digital Medicine ·Evangelia Katsoulakis, Qi Wang, Huanmei Wu, Leili Shahriyari, R. Fletcher, Jinwei Liu, Luke E. K. Achenie, Hongfang Liu, Pamela Jackson, Ying Xiao, Tanveer Syeda-Mahmood, Richard Tuli, Jun Deng	220
4	Multimodal Photoplethysmography-Based Approaches for Improved Detection of Hypertension 2020 ·Journal of Clinical Medicine ·(unknown), (unknown), (unknown), Rachel Cooper, P. A. Kyriacou, Dingchang Zheng, John Allen, Derek Abbott, Carlo Menon, Nigel H. Lovell, Newton Howard, Wee‐Shian Chan, Kenneth Lim, R. Fletcher, Rabab Ward, Mohamed Elgendi	36
5	Cuffless Single-Site Photoplethysmography for Blood Pressure Monitoring 2020 ·Journal of Clinical Medicine ·(unknown), (unknown), (unknown), Rachel Cooper, P. A. Kyriacou, Dingchang Zheng, John Allen, Derek Abbott, Carlo Menon, Nigel H. Lovell, Newton Howard, Wee‐Shian Chan, Kenneth Lim, R. Fletcher, Rabab Ward, Mohamed Elgendi	92
6	The use of multi-site photoplethysmography (PPG) as a screening tool for coronary arterial disease and atherosclerosis 2020 ·Physiological Measurement ·(unknown), (unknown), (unknown), Shantanu P. Sengupta, Partho P. Sengupta, Kunda Mungulmare, R. Fletcher	16
7	The Performance of Deep Neural Networks in Differentiating Chest X-Rays of COVID-19 Patients From Other Bacterial and Viral Pneumonias 2020 ·Frontiers in Medicine ·Mohamed Elgendi, Muhammad Umer Nasir, Qunfeng Tang, R. Fletcher, Newton Howard, Carlo Menon, Rabab Ward, William Parker, Savvas Nicolaou	28
8	Multi-Site Photoplethysmography Technology for Blood Pressure Assessment: Challenges and Recommendations 2019 ·Journal of Clinical Medicine ·(unknown), Rachel Cooper, (unknown), (unknown), P. A. Kyriacou, Dingchang Zheng, John Allen, Derek Abbott, Nigel H. Lovell, R. Fletcher, Mohamed Elgendi	62
9	Theoretically-Based Emotion Regulation Strategies Using a Mobile App and Wearable Sensor Among Homeless Adolescent Mothers: Acceptability and Feasibility Study 2018 ·JMIR Pediatrics and Parenting ·Noelle R. Leonard, (unknown), R. Fletcher, (unknown), (unknown), Anna Kelemen, Sonali Rajan, (unknown), Charles M. Cleland, Marya Gwadz	25
10	Ambulatory Autonomic Activity Monitoring Among At-Risk Adolescent Mothers 2012 ·PubMed ·Sonali Rajan, Noelle R. Leonard, R. Fletcher, (unknown), (unknown), (unknown), Marya Gwadz	10
11	Wearable sensor platform and mobile application for use in cognitive behavioral therapy for drug addiction and PTSD 2011 ·PubMed ·R. Fletcher, Sunny W. Y. Tam, (unknown), (unknown), (unknown)	56
12	Arterial to end-tidal carbon dioxide tension difference in children with congenital heart disease 2001 ·British Journal of Anaesthesia ·J. A. Short, S. Paris, P D Booker, R. Fletcher	35
13	Can we improve the estimate of arterial PCO2 from end-tidal PCO2? 2000 ·European Journal of Anaesthesiology ·R. Fletcher, Fredrik Boris‐Möller	7
14	Factors determining end-expiratory alveolar pressure after cardiac surgery 1999 ·European Journal of Anaesthesiology ·R. Fletcher, Peter R. Foster, Steven Thornton	1
15	Raised end-expiratory alveolar pressures during cardiac surgery 1994 ·British Journal of Anaesthesia ·R. Fletcher	4
16	Gas exchange during anaesthesia and controlled ventilation in children with congenital heart disease 1993 ·Pediatric Anesthesia ·R. Fletcher	5
17	Effect of pulmonary arterial pressure on venous admixture during thoracotomy and one-lung ventilation 1989 ·Journal of Cardiothoracic Anesthesia ·Gunnar Malmkvist, R. Fletcher, Lars Nordström, Olof Werner	2
18	CARBON DIOXIDE PRODUCTION IN CYANOTIC CHILDREN DURING ANAESTHESIA WITH CONTROLLED VENTILATION † 1988 ·British Journal of Anaesthesia ·R. Fletcher	8
19	Airway Deadspace, End‐Tidal CO₂, and Christian Bohr 1984 ·Acta Anaesthesiologica Scandinavica ·R. Fletcher	24
20	Effect of Cardioselective β‐Blockers on the Heart Rate and Arterial Pressure Responses to Laryngoscopy 1982 ·Acta Anaesthesiologica Scandinavica ·Olof Werner, (unknown), R. Fletcher, Christer Carlsson, (unknown)	4

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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