Richard Hayman

1.0k total citations
24 papers, 760 citations indexed

About

Richard Hayman is a scholar working on Obstetrics and Gynecology, Pediatrics, Perinatology and Child Health and Public Health, Environmental and Occupational Health. According to data from OpenAlex, Richard Hayman has authored 24 papers receiving a total of 760 indexed citations (citations by other indexed papers that have themselves been cited), including 20 papers in Obstetrics and Gynecology, 11 papers in Pediatrics, Perinatology and Child Health and 8 papers in Public Health, Environmental and Occupational Health. Recurrent topics in Richard Hayman's work include Pregnancy and preeclampsia studies (13 papers), Maternal and fetal healthcare (7 papers) and Maternal and Perinatal Health Interventions (7 papers). Richard Hayman is often cited by papers focused on Pregnancy and preeclampsia studies (13 papers), Maternal and fetal healthcare (7 papers) and Maternal and Perinatal Health Interventions (7 papers). Richard Hayman collaborates with scholars based in United Kingdom, Qatar and Netherlands. Richard Hayman's co-authors include Philip N. Baker, Sabaratnam Arulkumaran, Jeremy Brockelsby, Averil Y. Warren, Louise C. Kenny, I. R. Johnson, Philip Steer, I. R. Johnson, Richard Donnelly and Linda Morgan and has published in prestigious journals such as American Journal of Obstetrics and Gynecology, Obstetrics and Gynecology and Vaccine.

In The Last Decade

Richard Hayman

24 papers receiving 735 citations

Peers

Richard Hayman

PPCH

PHEOH

IMMUN

CCM

Torun Clausen Norway

Roberto Costa Brazil

Steven V. Koenen Netherlands

Alexander K. Smárason Iceland

Marc Parrish United States

P. Bosio United Kingdom

M Hod Israel

A. Valcamonico Italy

Alexandra Rees United Kingdom

Randula Haththotuwa United Kingdom

Torun Clausen Norway

Richard Hayman

757 ×1.1

681 ×1.2

PPCH

98 ×0.4

PHEOH

108 ×0.9

IMMUN

45 ×0.6

CCM

Citations per year, relative to Richard Hayman Richard Hayman (= 1×) peers Torun Clausen

Countries citing papers authored by Richard Hayman

Since Specialization

Citations

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

Fields of papers citing papers by Richard Hayman

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Richard Hayman

This figure shows the co-authorship network connecting the top 25 collaborators of Richard Hayman. A scholar is included among the top collaborators of Richard Hayman 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 Richard Hayman. Richard Hayman 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

Prabhu, Malavika, Linda O. Eckert, Michael A. Belfort, et al.. (2017). Antenatal bleeding: Case definition and guidelines for data collection, analysis, and presentation of immunization safety data. Vaccine. 35(48). 6529–6537. 4 indexed citations

Simms, Rebecca & Richard Hayman. (2013). Instrumental vaginal delivery. Obstetrics Gynaecology & Reproductive Medicine. 23(9). 270–278. 10 indexed citations

Hayman, Richard, et al.. (2012). Congenital dyserythropoietic anaemia and pregnancy. Archives of Disease in Childhood Fetal & Neonatal. 97(Suppl 1). A64.3–A64. 1 indexed citations

Hayman, Richard, et al.. (2011). Secondary post-partum haemorrhage: challenges in evidence-based causes and management. European Journal of Obstetrics & Gynecology and Reproductive Biology. 159(2). 255–260. 15 indexed citations

KINDER, R. B., et al.. (2010). Fowler's syndrome and pregnancy. BMJ Case Reports. 2010. bcr0520103032–bcr0520103032. 5 indexed citations

Hayman, Richard. (2004). Hypertension in pregnancy. Current Obstetrics and Gynaecology. 14(1). 1–10. 14 indexed citations

Hayman, Richard. (2002). Uterine compression sutures: surgical management of postpartum hemorrhage. Obstetrics and Gynecology. 99(3). 502–506. 242 indexed citations

Hayman, Richard. (2002). Clinical evaluation of a “hand pump” vacuum delivery device. Obstetrics and Gynecology. 100(6). 1190–1195. 31 indexed citations

Thornton, Jim & Richard Hayman. (2002). Staff experience in vaginal breech delivery. British Journal of Midwifery. 10(7). 408–410. 3 indexed citations

10.

Hayman, Richard, Averil Y. Warren, I. R. Johnson, & Philip N. Baker. (2001). The preliminary characterization of a vasoactive circulating factor(s) in preeclampsia. American Journal of Obstetrics and Gynecology. 184(6). 1196–1203. 14 indexed citations

11.

Hayman, Richard, Averil Y. Warren, I. R. Johnson, & Philip N. Baker. (2001). Inducible change in the behavior of resistance arteries from circulating factor in preeclampsia: An effect specific to myometrial vessels from pregnant women. American Journal of Obstetrics and Gynecology. 184(3). 420–426. 13 indexed citations

12.

Hayman, Richard, et al.. (2001). Microvascular vasodilator response to acetylcholine is increased in women with pre‐eclampsia. BJOG An International Journal of Obstetrics & Gynaecology. 108(6). 610–614. 33 indexed citations

13.

Hayman, Richard, et al.. (2000). Plasma from women with pre‐eclampsia induces an in vitro alteration in the endothelium‐dependent behaviour of myometrial resistance arteries. BJOG An International Journal of Obstetrics & Gynaecology. 107(1). 108–115. 59 indexed citations

14.

Morgan, Linda, Richard Hayman, Sarah Crawshaw, et al.. (1999). Angiotensin-converting enzyme insertion-deletion polymorphism in normotensive and pre-eclamptic pregnancies. Journal of Hypertension. 17(6). 765–768. 48 indexed citations

15.

Hayman, Richard, et al.. (1999). Relationship of Cell Adhesion Molecule Expression to Endothelium-Dependent Relaxation in Normal Pregnancy and Pregnancies Complicated With Preeclampsia or Fetal Growth Restriction. Journal of the Society for Gynecologic Investigation. 6(4). 196–201. 19 indexed citations

16.

Hayman, Richard, et al.. (1999). Relationship between myometrial resistance artery behavior and circulating lipid composition. American Journal of Obstetrics and Gynecology. 180(2). 381–386. 14 indexed citations

17.

Brockelsby, Jeremy, et al.. (1999). VEGF via VEGF receptor-1 (Flt-1) mimics preeclamptic plasma in inhibiting uterine blood vessel relaxation in pregnancy: implications in the pathogenesis of preeclampsia.. PubMed. 79(9). 1101–11. 53 indexed citations

18.

Hayman, Richard, Jeremy Brockelsby, Louise C. Kenny, & Philip N. Baker. (1999). Preeclampsia: The Endothelium, Circulating Factor(s) and Vascular Endothelial Growth Factor. Journal of the Society for Gynecologic Investigation. 6(1). 3–10. 89 indexed citations

19.

Hayman, Richard, et al.. (1998). The role of the endogenous anti-inflammatory compound gravidin in pre-eclampsia. American Journal of Obstetrics and Gynecology. 179(5). 1305–1311. 6 indexed citations

20.

Hayman, Richard, et al.. (1998). Evidence for a circulating factor in pre‐eclampsia. A role for vascular endothelial growth factor?. BJOG An International Journal of Obstetrics & Gynaecology. 105(11). 1233–1233. 2 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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