{"id":"https://openalex.org/A5102018603","orcid":"https://orcid.org/0000-0002-3909-7220","observed_orcids":["https://orcid.org/0000-0002-3909-7220"],"display_name":"Marwan Ahmed","raw_author_names":["Marwan Ahmed","Marwan H Ahmed","Marwan H. Ahmed","Marwan Sayed Mohamed Ahmed"],"full_name":"Marwan Sayed Mohamed Ahmed","works_count":45,"cited_by_count":87,"summary_stats":{"2yr_mean_citedness":1.7142857142857142,"h_index":6,"i10_index":1},"ids":{"openalex":"https://openalex.org/A5102018603","orcid":"https://orcid.org/0000-0002-3909-7220","observed_orcids":["https://orcid.org/0000-0002-3909-7220"]},"affiliations":[{"institution":{"id":"https://openalex.org/I1330342723","ror":"https://ror.org/02qp3tb03","display_name":"Mayo Clinic","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1330342723"]},"years":[2026,2025,2024,2023]},{"institution":{"id":"https://openalex.org/I159247623","ror":"https://ror.org/01k8vtd75","display_name":"Mansoura University","country_code":"EG","type":"education","lineage":["https://openalex.org/I159247623"]},"years":[2024]},{"institution":{"id":"https://openalex.org/I177877127","ror":"https://ror.org/047272k79","display_name":"The University of Western Australia","country_code":"AU","type":"education","lineage":["https://openalex.org/I177877127"]},"years":[2026,2025,2024]},{"institution":{"id":"https://openalex.org/I184834183","ror":"https://ror.org/05fnp1145","display_name":"Al-Azhar University","country_code":"EG","type":"education","lineage":["https://openalex.org/I184834183"]},"years":[2025]},{"institution":{"id":"https://openalex.org/I4210092416","ror":"https://ror.org/002sqnt54","display_name":"Saint Joseph Medical Center Joliet","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210092416","https://openalex.org/I4210121601"]},"years":[2024]},{"institution":{"id":"https://openalex.org/I4210132418","ror":"https://ror.org/02ttsvs52","display_name":"Saint Joseph Hospital","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210121601","https://openalex.org/I4210132418"]},"years":[2024]}],"last_known_institutions":[{"id":"https://openalex.org/I1330342723","ror":"https://ror.org/02qp3tb03","display_name":"Mayo Clinic","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1330342723"]},{"id":"https://openalex.org/I177877127","ror":"https://ror.org/047272k79","display_name":"The University of Western Australia","country_code":"AU","type":"education","lineage":["https://openalex.org/I177877127"]}],"topics":[{"id":"https://openalex.org/T10300","display_name":"Congenital Heart Disease Studies","count":32,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"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/T10172","display_name":"Cardiac Valve Diseases and Treatments","count":15,"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/T10821","display_name":"Cardiovascular Function and Risk Factors","count":12,"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/T10618","display_name":"Aortic Disease and Treatment Approaches","count":7,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory 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/T10728","display_name":"Pulmonary Hypertension Research and Treatments","count":5,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory 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/T10300","display_name":"Congenital Heart Disease Studies","value":8.69e-05,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"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/T10172","display_name":"Cardiac Valve Diseases and Treatments","value":4.77e-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/T12230","display_name":"Cardiovascular Issues in Pregnancy","value":4.19e-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/T13822","display_name":"Indigenous Health and Education","value":3.95e-05,"subfield":{"id":"https://openalex.org/subfields/3600","display_name":"General Health Professions"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10821","display_name":"Cardiovascular Function and Risk Factors","value":2.81e-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"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9944999814033508},{"id":"164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","score":0.8487223386764526},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.830571174621582},{"id":"2778198053","wikidata":"https://www.wikidata.org/wiki/Q181754","display_name":"Heart failure","score":0.7853999733924866},{"id":"2780074459","wikidata":"https://www.wikidata.org/wiki/Q389735","display_name":"Heart disease","score":0.6057999730110168}],"counts_by_year":[{"year":2023,"works_count":10,"oa_works_count":3,"cited_by_count":4},{"year":2024,"works_count":22,"oa_works_count":16,"cited_by_count":11},{"year":2025,"works_count":4,"oa_works_count":3,"cited_by_count":36},{"year":2026,"works_count":9,"oa_works_count":5,"cited_by_count":36}],"display_name_alternatives":["Marwan Ahmed","Marwan H Ahmed","Marwan H. Ahmed","Marwan Sayed Mohamed Ahmed"],"block_key":"m ahmed","works_api_url":"https://api.openalex.org/works?filter=author.id:A5102018603","updated_date":"2026-11-04T11:47:51","created_date":"2023-05-07T00:00:00"}
