Helen Varker

1.3k total citations · 1 hit paper
36 papers, 1.0k citations indexed

About

Helen Varker is a scholar working on Hematology, Genetics and Cardiology and Cardiovascular Medicine. According to data from OpenAlex, Helen Varker has authored 36 papers receiving a total of 1.0k indexed citations (citations by other indexed papers that have themselves been cited), including 11 papers in Hematology, 7 papers in Genetics and 7 papers in Cardiology and Cardiovascular Medicine. Recurrent topics in Helen Varker's work include Hemoglobinopathies and Related Disorders (6 papers), Multiple Myeloma Research and Treatments (5 papers) and Atrial Fibrillation Management and Outcomes (5 papers). Helen Varker is often cited by papers focused on Hemoglobinopathies and Related Disorders (6 papers), Multiple Myeloma Research and Treatments (5 papers) and Atrial Fibrillation Management and Outcomes (5 papers). Helen Varker collaborates with scholars based in United States, United Kingdom and Germany. Helen Varker's co-authors include Jay Lin, Gerald V. Naccarelli, Kathy L. Schulman, Alpesh Amin, Stephen S. Johnston, Stephen Thompson, Nicole Princic, Xue Song, Kathleen Wilson and Stephen Sander and has published in prestigious journals such as Journal of Clinical Oncology, Blood and The American Journal of Cardiology.

In The Last Decade

Helen Varker

35 papers receiving 979 citations

Hit Papers

Increasing Prevalence of Atrial Fibrillation and Flutter ... 2009 2026 2014 2020 2009 200 400 600
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.

  1. Increasing Prevalence of Atrial Fibrillation and Flutter in the United States
    2009 646 citations Gerald V. Naccarelli, Helen Varker et al. The American Journal of Cardiology profile →

Peers

Helen Varker
Dan Pugh United Kingdom
Gualtiero Palareti Italy
Henrik Renlund Sweden
A. M. Schjerning Olsen Denmark
Jo Jo Hai Hong Kong
Jon Blatchford United States
Miklós Rohla Austria
Bcps United States
Lucio Gonzini Italy
Jindřich Špinar Czechia
Dan Pugh United Kingdom
Helen Varker
Citations per year, relative to Helen Varker Helen Varker (= 1×) peers Dan Pugh

Countries citing papers authored by Helen Varker

Since Specialization
Citations

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

Fields of papers citing papers by Helen Varker

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Helen Varker

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

All Works

20 of 20 papers shown
1.
Geiger, James D., Nicole Princic, Helen Varker, et al.. (2024). EE149 Economic Burden of Treating Chronic Peripheral Neuropathic Pain in the United States: National Estimates From 2022 Data. Value in Health. 27(6). S85–S85. 1 indexed citations
2.
Goetz, Iris, Casey Choong, David R. Nelson, et al.. (2022). Development of a claims-based flare algorithm for systemic lupus erythematosus. Current Medical Research and Opinion. 38(9). 1641–1649. 3 indexed citations
3.
Kalpatthi, Ram, et al.. (2020). PRO35 ECONOMIC BURDEN OF CHRONIC RED BLOOD CELL TRANSFUSIONS AMONG PATIENTS WITH SICKLE CELL DISEASE. Value in Health. 23. S335–S335. 2 indexed citations
4.
Kiss, Szilárd, et al.. (2020). Real-World Injection Frequency and Cost of Ranibizumab and Aflibercept for the Treatment of Neovascular Age-Related Macular Degeneration and Diabetic Macular Edema. Journal of Managed Care & Specialty Pharmacy. 26(3). 253–266. 16 indexed citations
5.
Johnston, Stephen S., Kathleen Wilson, Helen Varker, et al.. (2017). Real-world Direct Health Care Costs for Metastatic Colorectal Cancer Patients Treated With Cetuximab or Bevacizumab-containing Regimens in First-line or First-line Through Second-line Therapy. Clinical Colorectal Cancer. 16(4). 386–396.e1. 9 indexed citations
6.
Quezada-Ruiz, Carlos, et al.. (2016). Difference in intraocular pressure following involuntary switch from bimatoprost 0.03% to bimatoprost 0.01% in glaucoma patients.. Investigative Ophthalmology & Visual Science. 57(12). 2101–2101. 1 indexed citations
7.
Kiss, Szilárd, Carlos Quezada-Ruiz, Kathleen Wilson, et al.. (2016). Real-world treatment patterns in injection cost and frequency for ranibizumab versus aflibercept in patients with wet age-related macular degeneration: A 2-year US claims analysis. Investigative Ophthalmology & Visual Science. 57(12). 3335–3335. 2 indexed citations
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Johnston, Stephen S., John J. Sheehan, Ellen Riehle, et al.. (2015). Development and validation of a u.s. Administrative claims-based algorithm to classify patients with type 2 diabetes mellitus into renal impairment stages. Value in Health. 18(3). A10–A10. 2 indexed citations
11.
Kiss, Szilárd, Pravin U. Dugel, Kathleen Wilson, et al.. (2014). Treatment Patterns and Associated Costs of Anti-VEGF Therapy for Neovascular Age-Related Macular Degeneration. Investigative Ophthalmology & Visual Science. 55(13). 5596–5596. 2 indexed citations
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Miller, Jeffrey D., et al.. (2013). Assessing The Impact Of Patient-Reported Outcomes And Health Economic Benefit Claims On The Market Value Of Oncologic Pharmaceuticals. Value in Health. 16(3). A148–A148. 1 indexed citations
14.
Johnston, Stephen S., et al.. (2013). Retrospective Analysis of First-Line Anti-Vascular Endothelial Growth Factor Treatment Patterns in Wet Age-Related Macular Degeneration. Advances in Therapy. 30(12). 1111–1127. 33 indexed citations
15.
Girvan, Allicia C., Yiu-Keung Lau, Lee Bowman, et al.. (2013). Treatment patterns among cancer patients with anemia who do not respond to erythropoietin-stimulating agents.. Journal of Clinical Oncology. 31(15_suppl). e20525–e20525. 1 indexed citations
16.
Song, Xue, Stephen Sander, Helen Varker, & Alpesh Amin. (2012). Patterns and Predictors of Use of Warfarin and Other Common Long-Term Medications in Patients with Atrial Fibrillation. American Journal of Cardiovascular Drugs. 12(4). 245–253. 23 indexed citations
17.
Gitlin, Matthew, David M. Spiegel, Jeffrey L. Carson, et al.. (2012). Outpatient red blood cell transfusion payments among patients on chronic dialysis. BMC Nephrology. 13(1). 145–145. 7 indexed citations
18.
Song, Xue, Helen Varker, Michel Eichelbaum, et al.. (2011). Treatment of lung cancer patients and concomitant use of drugs interacting with cytochrome P450 isoenzymes. Lung Cancer. 74(1). 103–111. 11 indexed citations
19.
Song, Xue, Nianwen Shi, Enkhe Badamgarav, et al.. (2011). Cost burden of second fracture in the US Health System. Bone. 48(4). 828–836. 39 indexed citations
20.
Naccarelli, Gerald V., Helen Varker, Jay Lin, & Kathy L. Schulman. (2009). Increasing Prevalence of Atrial Fibrillation and Flutter in the United States. The American Journal of Cardiology. 104(11). 1534–1539. 646 indexed citations breakdown →

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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