Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W4400012830', 'doi': 'https://doi.org/10.1016/j.cpcardiol.2024.102725', 'title': 'Surgical aortic valve replacement in patients with reduced ejection fraction. Prevalence and follow-up', 'display_name': 'Surgical aortic valve replacement in patients with reduced ejection fraction. Prevalence and follow-up', 'publication_year': 2024, 'publication_date': '2024-06-25', 'ids': {'openalex': 'https://openalex.org/W4400012830', 'doi': 'https://doi.org/10.1016/j.cpcardiol.2024.102725', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/38925204'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.cpcardiol.2024.102725', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S44034637', 'display_name': 'Current Problems in Cardiology', 'issn_l': '0146-2806', 'issn': ['0146-2806', '1535-6280'], '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': 'review', '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/A5029240222', 'display_name': 'Santiago Decotto', 'orcid': 'https://orcid.org/0000-0003-1186-4376'}, 'institutions': [{'id': 'https://openalex.org/I2802359038', 'display_name': 'Hospital Italiano de Buenos Aires', 'ror': 'https://ror.org/00bq4rw46', 'country_code': 'AR', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802359038']}], 'countries': ['AR'], 'is_corresponding': False, 'raw_author_name': 'Santiago Decotto', 'raw_affiliation_strings': ['Cardiology Department, Hospital Italiano de Buenos Aires, Argentina'], 'affiliations': [{'raw_affiliation_string': 'Cardiology Department, Hospital Italiano de Buenos Aires, Argentina', 'institution_ids': ['https://openalex.org/I2802359038']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5076872328', 'display_name': 'Gonzalo Fernández Villar', 'orcid': 'https://orcid.org/0000-0002-1874-7810'}, 'institutions': [{'id': 'https://openalex.org/I2802359038', 'display_name': 'Hospital Italiano de Buenos Aires', 'ror': 'https://ror.org/00bq4rw46', 'country_code': 'AR', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802359038']}], 'countries': ['AR'], 'is_corresponding': True, 'raw_author_name': 'Gonzalo Fernandez Villar', 'raw_affiliation_strings': ['Cardiology Department, Hospital Italiano de Buenos Aires, Argentina'], 'affiliations': [{'raw_affiliation_string': 'Cardiology Department, Hospital Italiano de Buenos Aires, Argentina', 'institution_ids': ['https://openalex.org/I2802359038']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5093797935', 'display_name': 'Maria Eugenia Knorre', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I2802359038', 'display_name': 'Hospital Italiano de Buenos Aires', 'ror': 'https://ror.org/00bq4rw46', 'country_code': 'AR', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802359038']}], 'countries': ['AR'], 'is_corresponding': False, 'raw_author_name': 'Maria Eugenia Knorre', 'raw_affiliation_strings': ['Cardiology Department, Hospital Italiano de Buenos Aires, Argentina'], 'affiliations': [{'raw_affiliation_string': 'Cardiology Department, Hospital Italiano de Buenos Aires, Argentina', 'institution_ids': ['https://openalex.org/I2802359038']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5099476607', 'display_name': 'Mariano Gaston Bergier', 'orcid': 'https://orcid.org/0009-0000-4103-0378'}, 'institutions': [{'id': 'https://openalex.org/I2802359038', 'display_name': 'Hospital Italiano de Buenos Aires', 'ror': 'https://ror.org/00bq4rw46', 'country_code': 'AR', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802359038']}], 'countries': ['AR'], 'is_corresponding': False, 'raw_author_name': 'Mariano Bergier', 'raw_affiliation_strings': ['Cardiology Department, Hospital Italiano de Buenos Aires, Argentina'], 'affiliations': [{'raw_affiliation_string': 'Cardiology Department, Hospital Italiano de Buenos Aires, Argentina', 'institution_ids': ['https://openalex.org/I2802359038']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5093927416', 'display_name': 'Anabella Orellano', 'orcid': 'https://orcid.org/0009-0000-8922-0584'}, 'institutions': [{'id': 'https://openalex.org/I2802359038', 'display_name': 'Hospital Italiano de Buenos Aires', 'ror': 'https://ror.org/00bq4rw46', 'country_code': 'AR', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802359038']}], 'countries': ['AR'], 'is_corresponding': False, 'raw_author_name': 'Anabella Orellano', 'raw_affiliation_strings': ['Cardiology Department, Hospital Italiano de Buenos Aires, Argentina'], 'affiliations': [{'raw_affiliation_string': 'Cardiology Department, Hospital Italiano de Buenos Aires, Argentina', 'institution_ids': ['https://openalex.org/I2802359038']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5104335116', 'display_name': 'Brian Soria Vega', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I2802359038', 'display_name': 'Hospital Italiano de Buenos Aires', 'ror': 'https://ror.org/00bq4rw46', 'country_code': 'AR', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802359038']}], 'countries': ['AR'], 'is_corresponding': False, 'raw_author_name': 'Brian Soria Vega', 'raw_affiliation_strings': ['Cardiology Department, Hospital Italiano de Buenos Aires, Argentina'], 'affiliations': [{'raw_affiliation_string': 'Cardiology Department, Hospital Italiano de Buenos Aires, Argentina', 'institution_ids': ['https://openalex.org/I2802359038']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5059701656', 'display_name': 'Guido Busnelli', 'orcid': 'https://orcid.org/0000-0001-9837-2109'}, 'institutions': [{'id': 'https://openalex.org/I2802359038', 'display_name': 'Hospital Italiano de Buenos Aires', 'ror': 'https://ror.org/00bq4rw46', 'country_code': 'AR', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802359038']}], 'countries': ['AR'], 'is_corresponding': False, 'raw_author_name': 'Guido Busnelli', 'raw_affiliation_strings': ['Cardiovascular Surgery Department, Hospital Italiano de Buenos Aires, Argentina'], 'affiliations': [{'raw_affiliation_string': 'Cardiovascular Surgery Department, Hospital Italiano de Buenos Aires, Argentina', 'institution_ids': ['https://openalex.org/I2802359038']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5043625435', 'display_name': 'Emiliano Rossi', 'orcid': 'https://orcid.org/0000-0002-8930-9738'}, 'institutions': [{'id': 'https://openalex.org/I2802359038', 'display_name': 'Hospital Italiano de Buenos Aires', 'ror': 'https://ror.org/00bq4rw46', 'country_code': 'AR', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802359038']}], 'countries': ['AR'], 'is_corresponding': False, 'raw_author_name': 'Emiliano Rossi', 'raw_affiliation_strings': ['Cardiology Department, Hospital Italiano de Buenos Aires, Argentina'], 'affiliations': [{'raw_affiliation_string': 'Cardiology Department, Hospital Italiano de Buenos Aires, Argentina', 'institution_ids': ['https://openalex.org/I2802359038']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5013592255', 'display_name': 'Santiago del Castillo', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I2802359038', 'display_name': 'Hospital Italiano de Buenos Aires', 'ror': 'https://ror.org/00bq4rw46', 'country_code': 'AR', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802359038']}], 'countries': ['AR'], 'is_corresponding': False, 'raw_author_name': 'Santiago Del Castillo', 'raw_affiliation_strings': ['Cardiology Department, Hospital Italiano de Buenos Aires, Argentina'], 'affiliations': [{'raw_affiliation_string': 'Cardiology Department, Hospital Italiano de Buenos Aires, Argentina', 'institution_ids': ['https://openalex.org/I2802359038']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5007918874', 'display_name': 'Mariano Falconi', 'orcid': 'https://orcid.org/0000-0001-9624-6424'}, 'institutions': [{'id': 'https://openalex.org/I2802359038', 'display_name': 'Hospital Italiano de Buenos Aires', 'ror': 'https://ror.org/00bq4rw46', 'country_code': 'AR', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802359038']}], 'countries': ['AR'], 'is_corresponding': False, 'raw_author_name': 'Mariano Falconi', 'raw_affiliation_strings': ['Cardiology Department, Hospital Italiano de Buenos Aires, Argentina'], 'affiliations': [{'raw_affiliation_string': 'Cardiology Department, Hospital Italiano de Buenos Aires, Argentina', 'institution_ids': ['https://openalex.org/I2802359038']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5037313360', 'display_name': 'Pablo Oberti', 'orcid': 'https://orcid.org/0000-0002-5682-2375'}, 'institutions': [{'id': 'https://openalex.org/I2802359038', 'display_name': 'Hospital Italiano de Buenos Aires', 'ror': 'https://ror.org/00bq4rw46', 'country_code': 'AR', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802359038']}], 'countries': ['AR'], 'is_corresponding': False, 'raw_author_name': 'Pablo Oberti', 'raw_affiliation_strings': ['Cardiology Department, Hospital Italiano de Buenos Aires, Argentina'], 'affiliations': [{'raw_affiliation_string': 'Cardiology Department, Hospital Italiano de Buenos Aires, Argentina', 'institution_ids': ['https://openalex.org/I2802359038']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5061464468', 'display_name': 'Vadim Kotowicz', 'orcid': 'https://orcid.org/0000-0003-3696-5093'}, 'institutions': [{'id': 'https://openalex.org/I2802359038', 'display_name': 'Hospital Italiano de Buenos Aires', 'ror': 'https://ror.org/00bq4rw46', 'country_code': 'AR', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802359038']}], 'countries': ['AR'], 'is_corresponding': False, 'raw_author_name': 'Vadim Kotowicz', 'raw_affiliation_strings': ['Cardiovascular Surgery Department, Hospital Italiano de Buenos Aires, Argentina'], 'affiliations': [{'raw_affiliation_string': 'Cardiovascular Surgery Department, Hospital Italiano de Buenos Aires, Argentina', 'institution_ids': ['https://openalex.org/I2802359038']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5058011294', 'display_name': 'Rodolfo Pizarro', 'orcid': 'https://orcid.org/0000-0002-3393-952X'}, 'institutions': [{'id': 'https://openalex.org/I2802359038', 'display_name': 'Hospital Italiano de Buenos Aires', 'ror': 'https://ror.org/00bq4rw46', 'country_code': 'AR', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802359038']}], 'countries': ['AR'], 'is_corresponding': False, 'raw_author_name': 'Rodolfo Pizarro', 'raw_affiliation_strings': ['Cardiology Department, Hospital Italiano de Buenos Aires, Argentina'], 'affiliations': [{'raw_affiliation_string': 'Cardiology Department, Hospital Italiano de Buenos Aires, Argentina', 'institution_ids': ['https://openalex.org/I2802359038']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': ['https://openalex.org/A5076872328'], 'corresponding_institution_ids': ['https://openalex.org/I2802359038'], 'apc_list': {'value': 3390, 'currency': 'USD', 'value_usd': 3390, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 1.296, 'has_fulltext': False, 'cited_by_count': 1, 'citation_normalized_percentile': {'value': 0.999388, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 84, 'max': 93}, 'biblio': {'volume': '49', 'issue': '9', 'first_page': '102725', 'last_page': '102725'}, '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/T11551', 'display_name': 'Infective Endocarditis Diagnosis and Management', 'score': 0.9941, '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/T10821', 'display_name': 'Cardiovascular Function and Risk Factors', 'score': 0.9934, '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': [], 'concepts': [{'id': 'https://openalex.org/C78085059', 'wikidata': 'https://www.wikidata.org/wiki/Q641303', 'display_name': 'Ejection fraction', 'level': 3, 'score': 0.94432735}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.9143614}, {'id': 'https://openalex.org/C2776570981', 'wikidata': 'https://www.wikidata.org/wiki/Q4413093', 'display_name': 'Aortic valve replacement', 'level': 3, 'score': 0.7770495}, {'id': 'https://openalex.org/C164705383', 'wikidata': 'https://www.wikidata.org/wiki/Q10379', 'display_name': 'Cardiology', 'level': 1, 'score': 0.6202573}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.55626917}, {'id': 'https://openalex.org/C2780007028', 'wikidata': 'https://www.wikidata.org/wiki/Q2343082', 'display_name': 'Stenosis', 'level': 2, 'score': 0.50135326}, {'id': 'https://openalex.org/C2778198053', 'wikidata': 'https://www.wikidata.org/wiki/Q181754', 'display_name': 'Heart failure', 'level': 2, 'score': 0.24208015}], 'mesh': [{'descriptor_ui': 'D000368', 'descriptor_name': 'Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000369', 'descriptor_name': 'Aged, 80 and over', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D001021', 'descriptor_name': 'Aortic Valve', 'qualifier_ui': 'Q000601', 'qualifier_name': 'surgery', 'is_major_topic': False}, {'descriptor_ui': 'D001024', 'descriptor_name': 'Aortic Valve Stenosis', 'qualifier_ui': 'Q000601', 'qualifier_name': 'surgery', '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': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': False}, {'descriptor_ui': 'D017052', 'descriptor_name': 'Hospital Mortality', 'qualifier_ui': 'Q000639', 'qualifier_name': 'trends', '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': 'D008875', 'descriptor_name': 'Middle Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D015995', 'descriptor_name': 'Prevalence', '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': 'D013318', 'descriptor_name': 'Stroke Volume', 'qualifier_ui': 'Q000502', 'qualifier_name': 'physiology', 'is_major_topic': False}, {'descriptor_ui': 'D016896', 'descriptor_name': 'Treatment Outcome', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D018487', 'descriptor_name': 'Ventricular Dysfunction, Left', 'qualifier_ui': 'Q000503', 'qualifier_name': 'physiopathology', 'is_major_topic': False}, {'descriptor_ui': 'D016277', 'descriptor_name': 'Ventricular Function, Left', 'qualifier_ui': 'Q000502', 'qualifier_name': 'physiology', 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.cpcardiol.2024.102725', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S44034637', 'display_name': 'Current Problems in Cardiology', 'issn_l': '0146-2806', 'issn': ['0146-2806', '1535-6280'], '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/38925204', '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': 0.57, 'id': 'https://metadata.un.org/sdg/3'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 20, 'referenced_works': ['https://openalex.org/W1787688562', 'https://openalex.org/W1968046211', 'https://openalex.org/W1999359114', 'https://openalex.org/W2067925962', 'https://openalex.org/W2078834708', 'https://openalex.org/W2108434075', 'https://openalex.org/W2108790161', 'https://openalex.org/W2109817117', 'https://openalex.org/W2129849810', 'https://openalex.org/W2149609916', 'https://openalex.org/W2156096083', 'https://openalex.org/W2324073140', 'https://openalex.org/W2326187533', 'https://openalex.org/W2768152228', 'https://openalex.org/W2776576593', 'https://openalex.org/W2897237694', 'https://openalex.org/W2921388585', 'https://openalex.org/W3195842247', 'https://openalex.org/W4288051009', 'https://openalex.org/W4311835453'], 'related_works': ['https://openalex.org/W4400309032', 'https://openalex.org/W4382048704', 'https://openalex.org/W3183948672', 'https://openalex.org/W3173606202', 'https://openalex.org/W3110381201', 'https://openalex.org/W2948807893', 'https://openalex.org/W2899084033', 'https://openalex.org/W2778153218', 'https://openalex.org/W1987049350', 'https://openalex.org/W1531601525'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W4400012830', 'counts_by_year': [{'year': 2024, 'cited_by_count': 1}], 'updated_date': '2024-12-16T10:13:30.696654', 'created_date': '2024-06-26'}