Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2109742101', 'doi': 'https://doi.org/10.1016/j.athoracsur.2011.05.056', 'title': 'Mitral Valve Replacement Is a Viable Alternative to Mitral Valve Repair for Ischemic Mitral Regurgitation: A Case-Matched Study', 'display_name': 'Mitral Valve Replacement Is a Viable Alternative to Mitral Valve Repair for Ischemic Mitral Regurgitation: A Case-Matched Study', 'publication_year': 2011, 'publication_date': '2011-09-28', 'ids': {'openalex': 'https://openalex.org/W2109742101', 'doi': 'https://doi.org/10.1016/j.athoracsur.2011.05.056', 'mag': '2109742101', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/21958783'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.athoracsur.2011.05.056', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S144860794', 'display_name': 'The Annals of Thoracic Surgery', 'issn_l': '0003-4975', 'issn': ['0003-4975', '1552-6259'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5101397657', 'display_name': 'Vincent Chan', 'orcid': 'https://orcid.org/0000-0002-2407-9177'}, 'institutions': [{'id': 'https://openalex.org/I153718931', 'display_name': 'University of Ottawa', 'ror': 'https://ror.org/03c4mmv16', 'country_code': 'CA', 'type': 'education', 'lineage': ['https://openalex.org/I153718931']}], 'countries': ['CA'], 'is_corresponding': False, 'raw_author_name': 'Vincent Chan', 'raw_affiliation_strings': ['Division of Cardiac Surgery, University of Ottawa, Ottawa, Ontario, Canada'], 'affiliations': [{'raw_affiliation_string': 'Division of Cardiac Surgery, University of Ottawa, Ottawa, Ontario, Canada', 'institution_ids': ['https://openalex.org/I153718931']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5065626931', 'display_name': 'Marc Ruel', 'orcid': 'https://orcid.org/0000-0002-0487-1319'}, 'institutions': [{'id': 'https://openalex.org/I153718931', 'display_name': 'University of Ottawa', 'ror': 'https://ror.org/03c4mmv16', 'country_code': 'CA', 'type': 'education', 'lineage': ['https://openalex.org/I153718931']}], 'countries': ['CA'], 'is_corresponding': True, 'raw_author_name': 'Marc Ruel', 'raw_affiliation_strings': ['Department of Epidemiology and Community Medicine, University of Ottawa, Ottawa, Ontario, Canada', 'Division of Cardiac Surgery, University of Ottawa, Ottawa, Ontario, Canada'], 'affiliations': [{'raw_affiliation_string': 'Department of Epidemiology and Community Medicine, University of Ottawa, Ottawa, Ontario, Canada', 'institution_ids': ['https://openalex.org/I153718931']}, {'raw_affiliation_string': 'Division of Cardiac Surgery, University of Ottawa, Ottawa, Ontario, Canada', 'institution_ids': ['https://openalex.org/I153718931']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5110267207', 'display_name': 'Thierry Mesana', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I153718931', 'display_name': 'University of Ottawa', 'ror': 'https://ror.org/03c4mmv16', 'country_code': 'CA', 'type': 'education', 'lineage': ['https://openalex.org/I153718931']}], 'countries': ['CA'], 'is_corresponding': False, 'raw_author_name': 'Thierry G. Mesana', 'raw_affiliation_strings': ['Division of Cardiac Surgery, University of Ottawa, Ottawa, Ontario, Canada'], 'affiliations': [{'raw_affiliation_string': 'Division of Cardiac Surgery, University of Ottawa, Ottawa, Ontario, Canada', 'institution_ids': ['https://openalex.org/I153718931']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': ['https://openalex.org/A5065626931'], 'corresponding_institution_ids': ['https://openalex.org/I153718931'], 'apc_list': {'value': 3200, 'currency': 'USD', 'value_usd': 3200, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 4.996, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 53, 'citation_normalized_percentile': {'value': 0.950892, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 95, 'max': 96}, 'biblio': {'volume': '92', 'issue': '4', 'first_page': '1358', 'last_page': '1366'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10172', 'display_name': 'Cardiac Valve Diseases and Treatments', 'score': 1.0, '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'}}, 'topics': [{'id': 'https://openalex.org/T10172', 'display_name': 'Cardiac Valve Diseases and Treatments', 'score': 1.0, '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'}}, {'id': 'https://openalex.org/T12598', 'display_name': 'Cardiac Structural Anomalies and Repair', 'score': 0.9995, 'subfield': {'id': 'https://openalex.org/subfields/2746', 'display_name': 'Surgery'}, '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', 'score': 0.9989, '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/mitral-valve-replacement', 'display_name': 'Mitral valve replacement', 'score': 0.8076354}, {'id': 'https://openalex.org/keywords/concomitant', 'display_name': 'Concomitant', 'score': 0.4589215}, {'id': 'https://openalex.org/keywords/valve-replacement', 'display_name': 'Valve replacement', 'score': 0.44843712}], 'concepts': [{'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.94259536}, {'id': 'https://openalex.org/C2775854548', 'wikidata': 'https://www.wikidata.org/wiki/Q6882369', 'display_name': 'Mitral valve replacement', 'level': 3, 'score': 0.8076354}, {'id': 'https://openalex.org/C2780679668', 'wikidata': 'https://www.wikidata.org/wiki/Q6882374', 'display_name': 'Mitral valve repair', 'level': 3, 'score': 0.7667913}, {'id': 'https://openalex.org/C2777543888', 'wikidata': 'https://www.wikidata.org/wiki/Q369939', 'display_name': 'Mitral valve', 'level': 2, 'score': 0.7503722}, {'id': 'https://openalex.org/C2993373945', 'wikidata': 'https://www.wikidata.org/wiki/Q268292', 'display_name': 'Mitral regurgitation', 'level': 2, 'score': 0.738603}, {'id': 'https://openalex.org/C164705383', 'wikidata': 'https://www.wikidata.org/wiki/Q10379', 'display_name': 'Cardiology', 'level': 1, 'score': 0.6398382}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.58561313}, {'id': 'https://openalex.org/C141071460', 'wikidata': 'https://www.wikidata.org/wiki/Q40821', 'display_name': 'Surgery', 'level': 1, 'score': 0.56323767}, {'id': 'https://openalex.org/C2779384505', 'wikidata': 'https://www.wikidata.org/wiki/Q17007513', 'display_name': 'Concomitant', 'level': 2, 'score': 0.4589215}, {'id': 'https://openalex.org/C2780026749', 'wikidata': 'https://www.wikidata.org/wiki/Q7912830', 'display_name': 'Valve replacement', 'level': 3, 'score': 0.44843712}, {'id': 'https://openalex.org/C2780007028', 'wikidata': 'https://www.wikidata.org/wiki/Q2343082', 'display_name': 'Stenosis', 'level': 2, 'score': 0.07085207}], 'mesh': [{'descriptor_ui': 'D019918', 'descriptor_name': 'Heart Valve Prosthesis Implantation', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': True}, {'descriptor_ui': 'D008943', 'descriptor_name': 'Mitral Valve', 'qualifier_ui': 'Q000601', 'qualifier_name': 'surgery', 'is_major_topic': True}, {'descriptor_ui': 'D058386', 'descriptor_name': 'Mitral Valve Annuloplasty', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': True}, {'descriptor_ui': 'D008944', 'descriptor_name': 'Mitral Valve Insufficiency', 'qualifier_ui': 'Q000601', 'qualifier_name': 'surgery', 'is_major_topic': True}, {'descriptor_ui': 'D017202', 'descriptor_name': 'Myocardial Ischemia', 'qualifier_ui': 'Q000150', 'qualifier_name': 'complications', 'is_major_topic': True}, {'descriptor_ui': 'D000368', 'descriptor_name': 'Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D018618', 'descriptor_name': 'Echocardiography, Doppler, Color', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D017548', 'descriptor_name': 'Echocardiography, Transesophageal', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005260', 'descriptor_name': 'Female', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005500', 'descriptor_name': 'Follow-Up Studies', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D019918', 'descriptor_name': 'Heart Valve Prosthesis Implantation', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006352', 'descriptor_name': 'Heart Ventricles', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006352', 'descriptor_name': 'Heart Ventricles', 'qualifier_ui': 'Q000000981', 'qualifier_name': 'diagnostic imaging', 'is_major_topic': False}, {'descriptor_ui': 'D006352', 'descriptor_name': 'Heart Ventricles', 'qualifier_ui': 'Q000503', 'qualifier_name': 'physiopathology', 'is_major_topic': False}, {'descriptor_ui': 'D006801', 'descriptor_name': 'Humans', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008297', 'descriptor_name': 'Male', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008943', 'descriptor_name': 'Mitral Valve', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D058386', 'descriptor_name': 'Mitral Valve Annuloplasty', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008944', 'descriptor_name': 'Mitral Valve Insufficiency', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008944', 'descriptor_name': 'Mitral Valve Insufficiency', 'qualifier_ui': 'Q000175', 'qualifier_name': 'diagnosis', 'is_major_topic': False}, {'descriptor_ui': 'D008944', 'descriptor_name': 'Mitral Valve Insufficiency', 'qualifier_ui': 'Q000150', 'qualifier_name': 'complications', 'is_major_topic': False}, {'descriptor_ui': 'D017202', 'descriptor_name': 'Myocardial Ischemia', 'qualifier_ui': 'Q000601', 'qualifier_name': 'surgery', 'is_major_topic': False}, {'descriptor_ui': 'D017202', 'descriptor_name': 'Myocardial Ischemia', 'qualifier_ui': 'Q000503', 'qualifier_name': 'physiopathology', 'is_major_topic': False}, {'descriptor_ui': 'D017202', 'descriptor_name': 'Myocardial Ischemia', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012189', 'descriptor_name': 'Retrospective Studies', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D013997', 'descriptor_name': 'Time Factors', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D016896', 'descriptor_name': 'Treatment Outcome', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D016277', 'descriptor_name': 'Ventricular Function, Left', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.athoracsur.2011.05.056', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S144860794', 'display_name': 'The Annals of Thoracic Surgery', 'issn_l': '0003-4975', 'issn': ['0003-4975', '1552-6259'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/21958783', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'display_name': 'Good health and well-being', 'score': 0.41, 'id': 'https://metadata.un.org/sdg/3'}], 'grants': [{'funder': 'https://openalex.org/F4320307813', 'funder_display_name': 'Medtronic', 'award_id': None}, {'funder': 'https://openalex.org/F4320309139', 'funder_display_name': 'Edwards Lifesciences', 'award_id': None}], 'datasets': [], 'versions': [], 'referenced_works_count': 43, 'referenced_works': ['https://openalex.org/W1966171934', 'https://openalex.org/W1973023005', 'https://openalex.org/W1975124226', 'https://openalex.org/W1976662658', 'https://openalex.org/W1978542105', 'https://openalex.org/W1980610481', 'https://openalex.org/W1990281264', 'https://openalex.org/W1991475369', 'https://openalex.org/W1991574984', 'https://openalex.org/W1999644035', 'https://openalex.org/W2000340237', 'https://openalex.org/W2008955212', 'https://openalex.org/W2027035298', 'https://openalex.org/W2035742219', 'https://openalex.org/W2052351527', 'https://openalex.org/W2054436867', 'https://openalex.org/W2058804134', 'https://openalex.org/W2070119432', 'https://openalex.org/W2074698382', 'https://openalex.org/W2076183676', 'https://openalex.org/W2076193092', 'https://openalex.org/W2094999245', 'https://openalex.org/W2097814784', 'https://openalex.org/W2101099004', 'https://openalex.org/W2102922451', 'https://openalex.org/W2106353972', 'https://openalex.org/W2119298751', 'https://openalex.org/W2121721170', 'https://openalex.org/W2121842052', 'https://openalex.org/W2127183974', 'https://openalex.org/W2147748965', 'https://openalex.org/W2148602695', 'https://openalex.org/W2149795152', 'https://openalex.org/W2157994684', 'https://openalex.org/W2163556807', 'https://openalex.org/W2172245650', 'https://openalex.org/W2191399290', 'https://openalex.org/W2242002228', 'https://openalex.org/W2615412306', 'https://openalex.org/W2744079636', 'https://openalex.org/W2911066711', 'https://openalex.org/W33661602', 'https://openalex.org/W4233532601'], 'related_works': ['https://openalex.org/W4283731083', 'https://openalex.org/W2991568274', 'https://openalex.org/W2778287432', 'https://openalex.org/W2586957442', 'https://openalex.org/W2494868421', 'https://openalex.org/W2486006457', 'https://openalex.org/W2424155925', 'https://openalex.org/W2109742101', 'https://openalex.org/W2099845815', 'https://openalex.org/W2053507643'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2109742101', 'counts_by_year': [{'year': 2023, 'cited_by_count': 1}, {'year': 2022, 'cited_by_count': 3}, {'year': 2021, 'cited_by_count': 3}, {'year': 2020, 'cited_by_count': 3}, {'year': 2019, 'cited_by_count': 1}, {'year': 2018, 'cited_by_count': 4}, {'year': 2017, 'cited_by_count': 4}, {'year': 2016, 'cited_by_count': 6}, {'year': 2015, 'cited_by_count': 4}, {'year': 2014, 'cited_by_count': 7}, {'year': 2013, 'cited_by_count': 6}, {'year': 2012, 'cited_by_count': 10}], 'updated_date': '2024-12-12T08:14:44.231328', 'created_date': '2016-06-24'}