{"id":"https://openalex.org/W1572393486","doi":null,"title":"Addition of sildenafil to long-term intravenous epoprostenol therapy in patients with pulmonary arterial hypertension: A randomized trial (Annals of Internal Medicine (2008) 149, (521-530))","display_name":"Addition of sildenafil to long-term intravenous epoprostenol therapy in patients with pulmonary arterial hypertension: A randomized trial (Annals of Internal Medicine (2008) 149, (521-530))","publication_year":2009,"publication_date":"2009-09-15","ids":{"openalex":"https://openalex.org/W1572393486","mag":"1572393486"},"language":"en","primary_location":{"id":"mag:1572393486","doi":null,"is_oa":false,"landing_page_url":"https://scholars.houstonmethodist.org/en/publications/addition-of-sildenafil-to-long-term-intravenous-epoprostenol-ther-2","pdf_url":null,"source":{"id":"https://openalex.org/S119722071","display_name":"Annals of Internal Medicine","issn_l":"0003-4819","issn":["0003-4819","1539-3704"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310316812","host_organization_name":"American College of Physicians","host_organization_lineage":["https://openalex.org/P4310316812"],"host_organization_lineage_names":["American College of Physicians"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Annals of Internal Medicine","raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5106748942","display_name":"G\u00e9rald Simonneau","orcid":"https://orcid.org/0009-0006-8477-6798","observed_orcids":["https://orcid.org/0009-0006-8477-6798"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"G. Simonneau","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110263834","display_name":"Leona J. Rubin","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Leona J. Rubin","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065469571","display_name":"Nazzareno Gali\u00e8","orcid":"https://orcid.org/0000-0003-4271-8670","observed_orcids":["https://orcid.org/0000-0003-4271-8670"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Nazzareno Gali\u00e8","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-4271-8670","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110257038","display_name":"Robyn J. Barst","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Robyn J. Barst","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089221698","display_name":"Thomas R. Fleming","orcid":"https://orcid.org/0000-0002-0420-5068","observed_orcids":["https://orcid.org/0000-0002-0420-5068"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Thomas R. Fleming","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-0420-5068","affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5021047743","display_name":"Adaani Frost","orcid":"https://orcid.org/0000-0002-5566-2103","observed_orcids":["https://orcid.org/0000-0002-5566-2103"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Adaani Frost","raw_affiliation_strings":["Academic Institute"],"raw_orcid":"https://orcid.org/0000-0002-5566-2103","affiliations":[{"raw_affiliation_string":"Academic Institute","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":19.9311,"has_fulltext":false,"cited_by_count":128,"citation_normalized_percentile":{"value":0.99533202,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":87,"max":100},"biblio":{"volume":"151","issue":"6","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10728","display_name":"Pulmonary Hypertension Research and Treatments","score":0.9994999766349792,"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"}},"topics":[{"id":"https://openalex.org/T10728","display_name":"Pulmonary Hypertension Research and Treatments","score":0.9994999766349792,"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/T12199","display_name":"Vascular Anomalies and Treatments","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2716","display_name":"Genetics (clinical)"},"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/T10198","display_name":"Heart Failure Treatment and Management","score":0.0,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/sildenafil","display_name":"sildenafil","score":0.9929999709129333},{"id":"https://openalex.org/keywords/epoprostenol","display_name":"epoprostenol","score":0.9710000157356262},{"id":"https://openalex.org/keywords/pulmonary-arterial-hypertension","display_name":"pulmonary arterial hypertension","score":0.9779999852180481},{"id":"https://openalex.org/keywords/combination-therapy","display_name":"combination therapy","score":0.699999988079071},{"id":"https://openalex.org/keywords/long-term-treatment","display_name":"long-term treatment","score":0.550000011920929},{"id":"https://openalex.org/keywords/pulmonary-vasodilator-therapy","display_name":"pulmonary vasodilator therapy","score":0.5120000243186951}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9798654317855835},{"id":"https://openalex.org/C2776768464","wikidata":"https://www.wikidata.org/wiki/Q191521","display_name":"Sildenafil","level":2,"score":0.903539776802063},{"id":"https://openalex.org/C2780708616","wikidata":"https://www.wikidata.org/wiki/Q193866","display_name":"Annals","level":2,"score":0.635501503944397},{"id":"https://openalex.org/C168563851","wikidata":"https://www.wikidata.org/wiki/Q1436668","display_name":"Randomized controlled trial","level":2,"score":0.5596059560775757},{"id":"https://openalex.org/C2780930700","wikidata":"https://www.wikidata.org/wiki/Q1128595","display_name":"Pulmonary hypertension","level":2,"score":0.4971473515033722},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.4317566156387329},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.42560383677482605},{"id":"https://openalex.org/C195244886","wikidata":"https://www.wikidata.org/wiki/Q41493","display_name":"Ancient history","level":1,"score":0.0},{"id":"https://openalex.org/C95457728","wikidata":"https://www.wikidata.org/wiki/Q309","display_name":"History","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:1572393486","doi":null,"is_oa":false,"landing_page_url":"https://scholars.houstonmethodist.org/en/publications/addition-of-sildenafil-to-long-term-intravenous-epoprostenol-ther-2","pdf_url":null,"source":{"id":"https://openalex.org/S119722071","display_name":"Annals of Internal Medicine","issn_l":"0003-4819","issn":["0003-4819","1539-3704"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310316812","host_organization_name":"American College of Physicians","host_organization_lineage":["https://openalex.org/P4310316812"],"host_organization_lineage_names":["American College of Physicians"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Annals of Internal Medicine","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":0.9940000176429749}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W7097433489","https://openalex.org/W2313942143","https://openalex.org/W2330742818","https://openalex.org/W2114534180","https://openalex.org/W2093744965","https://openalex.org/W2409492651","https://openalex.org/W3215869054","https://openalex.org/W2093816565","https://openalex.org/W1966835781","https://openalex.org/W2413281922"],"abstract_inverted_index":null,"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":8},{"year":2015,"cited_by_count":6},{"year":2014,"cited_by_count":14},{"year":2013,"cited_by_count":15},{"year":2012,"cited_by_count":16}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}