{"id":"https://openalex.org/A5115587809","orcid":null,"observed_orcids":[],"display_name":"Vellore J Karthikeyan","raw_author_names":["Vellore J Karthikeyan","Vellore J. Karthikeyan"],"full_name":"Vellore J. Karthikeyan","works_count":15,"cited_by_count":79,"summary_stats":{"2yr_mean_citedness":0.3333333333333333,"h_index":5,"i10_index":2},"ids":{"openalex":"https://openalex.org/A5115587809","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I1293129422","ror":"https://ror.org/02j7n9748","display_name":"Lancashire Teaching Hospitals NHS Foundation Trust","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I1293129422"]},"years":[2024]},{"institution":{"id":"https://openalex.org/I2799802789","ror":"https://ror.org/02smq5q54","display_name":"Birmingham City Hospital","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2799630439","https://openalex.org/I2799802789"]},"years":[2011,2010,2009,2007,2006]},{"institution":{"id":"https://openalex.org/I2801965655","ror":"https://ror.org/028mrxf52","display_name":"Wrightington, Wigan and Leigh NHS Foundation Trust","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2801965655"]},"years":[2021]},{"institution":{"id":"https://openalex.org/I4210086861","ror":"https://ror.org/000849h34","display_name":"Liverpool Heart and Chest Hospital","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2800087592","https://openalex.org/I4210086861"]},"years":[2014,2013]},{"institution":{"id":"https://openalex.org/I4210092852","ror":"https://ror.org/00he80998","display_name":"Manchester University NHS Foundation Trust","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I4210092852"]},"years":[2025]},{"institution":{"id":"https://openalex.org/I4210125418","ror":"https://ror.org/02v0mj573","display_name":"Royal Albert Edward Infirmary","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I4210125418"]},"years":[2023,2021]},{"institution":{"id":"https://openalex.org/I4210150798","ror":"https://ror.org/05vpsdj37","display_name":"Wythenshawe Hospital","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I4210092852","https://openalex.org/I4210150798"]},"years":[2025]},{"institution":{"id":"https://openalex.org/I79619799","ror":"https://ror.org/03angcq70","display_name":"University of Birmingham","country_code":"GB","type":"education","lineage":["https://openalex.org/I79619799"]},"years":[2011]}],"last_known_institutions":[{"id":"https://openalex.org/I4210092852","ror":"https://ror.org/00he80998","display_name":"Manchester University NHS Foundation Trust","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I4210092852"]},{"id":"https://openalex.org/I4210150798","ror":"https://ror.org/05vpsdj37","display_name":"Wythenshawe Hospital","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I4210092852","https://openalex.org/I4210150798"]}],"topics":[{"id":"https://openalex.org/T10290","display_name":"Pregnancy and preeclampsia studies","count":5,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10372","display_name":"Cardiac Imaging and Diagnostics","count":5,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10193","display_name":"Coronary Interventions and Diagnostics","count":4,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12464","display_name":"Neurological Complications and Syndromes","count":3,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10144","display_name":"Blood Pressure and Hypertension Studies","count":2,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"topic_share":[{"id":"https://openalex.org/T12464","display_name":"Neurological Complications and Syndromes","value":2.34e-05,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12230","display_name":"Cardiovascular Issues in Pregnancy","value":2.09e-05,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11839","display_name":"Hormonal Regulation and Hypertension","value":1.5e-05,"subfield":{"id":"https://openalex.org/subfields/2712","display_name":"Endocrinology, Diabetes and Metabolism"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10290","display_name":"Pregnancy and preeclampsia studies","value":1.42e-05,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11964","display_name":"Pregnancy and Medication Impact","value":1.42e-05,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.971219539642334},{"id":"164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","score":0.7696503400802612},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.7260867953300476},{"id":"134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","score":0.460085391998291},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.18024501204490662}],"counts_by_year":[{"year":2006,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":1,"oa_works_count":1,"cited_by_count":8},{"year":2013,"works_count":1,"oa_works_count":1,"cited_by_count":5},{"year":2014,"works_count":1,"oa_works_count":1,"cited_by_count":5},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2021,"works_count":1,"oa_works_count":1,"cited_by_count":3},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2023,"works_count":1,"oa_works_count":1,"cited_by_count":3},{"year":2024,"works_count":2,"oa_works_count":1,"cited_by_count":4},{"year":2025,"works_count":1,"oa_works_count":0,"cited_by_count":4},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":1}],"display_name_alternatives":["Vellore J Karthikeyan","Vellore J. Karthikeyan"],"block_key":"v karthikeyan","works_api_url":"https://api.openalex.org/works?filter=author.id:A5115587809","awards_count":0,"updated_date":"2026-11-04T11:47:51","created_date":"2016-06-24T00:00:00"}