Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2123470624', 'doi': 'https://doi.org/10.1067/mje.2002.120634', 'title': 'Intramyocardial analysis of regional systolic and diastolic function in ischemic heart disease with Doppler tissue imaging: Role of the different myocardial layers', 'display_name': 'Intramyocardial analysis of regional systolic and diastolic function in ischemic heart disease with Doppler tissue imaging: Role of the different myocardial layers', 'publication_year': 2002, 'publication_date': '2002-02-01', 'ids': {'openalex': 'https://openalex.org/W2123470624', 'doi': 'https://doi.org/10.1067/mje.2002.120634', 'mag': '2123470624', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/11836484'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1067/mje.2002.120634', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S185321339', 'display_name': 'Journal of the American Society of Echocardiography', 'issn_l': '0894-7317', 'issn': ['0894-7317', '1097-6795'], '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/A5079827014', 'display_name': 'Pedro Marcos‐Alberca', 'orcid': 'https://orcid.org/0000-0003-3850-5306'}, 'institutions': [{'id': 'https://openalex.org/I121748325', 'display_name': 'Universidad Complutense de Madrid', 'ror': 'https://ror.org/02p0gd045', 'country_code': 'ES', 'type': 'education', 'lineage': ['https://openalex.org/I121748325']}, {'id': 'https://openalex.org/I2960094004', 'display_name': 'Hospital General Universitario Gregorio Marañón', 'ror': 'https://ror.org/0111es613', 'country_code': 'ES', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2960094004', 'https://openalex.org/I4210139293']}, {'id': 'https://openalex.org/I178450904', 'display_name': 'National University of Distance Education', 'ror': 'https://ror.org/02msb5n36', 'country_code': 'ES', 'type': 'education', 'lineage': ['https://openalex.org/I178450904']}, {'id': 'https://openalex.org/I121595252', 'display_name': 'Polytechnic University of Puerto Rico', 'ror': 'https://ror.org/01b8jmq89', 'country_code': 'PR', 'type': 'education', 'lineage': ['https://openalex.org/I121595252']}], 'countries': ['ES', 'PR'], 'is_corresponding': False, 'raw_author_name': 'Pedro Marcos-Alberca', 'raw_affiliation_strings': ['Department of Physical Mathematics and Fluids (J.C.A.), Universidad Nacional de Educación a Distancia. Madrid, Spain', 'Escuela Técnica Superior de Telecomunicaciones (M.J.L., N.M., A.S.), Universidad Politécnica de Madrid', 'Laboratory of Echocardiography, Department of Cardiology (P.M-A., M.A.G-F., M.M., J.B.), Department of Experimental Medicine (M.D.), Hospital General Universitario Gregorio Marañón', 'Universidad Complutense de Madrid'], 'affiliations': [{'raw_affiliation_string': 'Universidad Complutense de Madrid', 'institution_ids': ['https://openalex.org/I121748325']}, {'raw_affiliation_string': 'Laboratory of Echocardiography, Department of Cardiology (P.M-A., M.A.G-F., M.M., J.B.), Department of Experimental Medicine (M.D.), Hospital General Universitario Gregorio Marañón', 'institution_ids': ['https://openalex.org/I2960094004']}, {'raw_affiliation_string': 'Department of Physical Mathematics and Fluids (J.C.A.), Universidad Nacional de Educación a Distancia. Madrid, Spain', 'institution_ids': ['https://openalex.org/I178450904']}, {'raw_affiliation_string': 'Escuela Técnica Superior de Telecomunicaciones (M.J.L., N.M., A.S.), Universidad Politécnica de Madrid', 'institution_ids': ['https://openalex.org/I121595252']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5022087506', 'display_name': 'Miguel Ángel García Fernández', 'orcid': 'https://orcid.org/0000-0001-7010-0830'}, 'institutions': [{'id': 'https://openalex.org/I178450904', 'display_name': 'National University of Distance Education', 'ror': 'https://ror.org/02msb5n36', 'country_code': 'ES', 'type': 'education', 'lineage': ['https://openalex.org/I178450904']}, {'id': 'https://openalex.org/I121595252', 'display_name': 'Polytechnic University of Puerto Rico', 'ror': 'https://ror.org/01b8jmq89', 'country_code': 'PR', 'type': 'education', 'lineage': ['https://openalex.org/I121595252']}, {'id': 'https://openalex.org/I121748325', 'display_name': 'Universidad Complutense de Madrid', 'ror': 'https://ror.org/02p0gd045', 'country_code': 'ES', 'type': 'education', 'lineage': ['https://openalex.org/I121748325']}, {'id': 'https://openalex.org/I2960094004', 'display_name': 'Hospital General Universitario Gregorio Marañón', 'ror': 'https://ror.org/0111es613', 'country_code': 'ES', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2960094004', 'https://openalex.org/I4210139293']}], 'countries': ['ES', 'PR'], 'is_corresponding': False, 'raw_author_name': 'Miguel A García-Fernández', 'raw_affiliation_strings': ['Department of Physical Mathematics and Fluids (J.C.A.), Universidad Nacional de Educación a Distancia. Madrid, Spain', 'Escuela Técnica Superior de Telecomunicaciones (M.J.L., N.M., A.S.), Universidad Politécnica de Madrid', 'Laboratory of Echocardiography, Department of Cardiology (P.M-A., M.A.G-F., M.M., J.B.), Department of Experimental Medicine (M.D.), Hospital General Universitario Gregorio Marañón', 'Universidad Complutense de Madrid'], 'affiliations': [{'raw_affiliation_string': 'Department of Physical Mathematics and Fluids (J.C.A.), Universidad Nacional de Educación a Distancia. Madrid, Spain', 'institution_ids': ['https://openalex.org/I178450904']}, {'raw_affiliation_string': 'Escuela Técnica Superior de Telecomunicaciones (M.J.L., N.M., A.S.), Universidad Politécnica de Madrid', 'institution_ids': ['https://openalex.org/I121595252']}, {'raw_affiliation_string': 'Universidad Complutense de Madrid', 'institution_ids': ['https://openalex.org/I121748325']}, {'raw_affiliation_string': 'Laboratory of Echocardiography, Department of Cardiology (P.M-A., M.A.G-F., M.M., J.B.), Department of Experimental Medicine (M.D.), Hospital General Universitario Gregorio Marañón', 'institution_ids': ['https://openalex.org/I2960094004']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5012910949', 'display_name': 'María J. Ledesma‐Carbayo', 'orcid': 'https://orcid.org/0000-0001-6846-3923'}, 'institutions': [{'id': 'https://openalex.org/I178450904', 'display_name': 'National University of Distance Education', 'ror': 'https://ror.org/02msb5n36', 'country_code': 'ES', 'type': 'education', 'lineage': ['https://openalex.org/I178450904']}, {'id': 'https://openalex.org/I121595252', 'display_name': 'Polytechnic University of Puerto Rico', 'ror': 'https://ror.org/01b8jmq89', 'country_code': 'PR', 'type': 'education', 'lineage': ['https://openalex.org/I121595252']}, {'id': 'https://openalex.org/I121748325', 'display_name': 'Universidad Complutense de Madrid', 'ror': 'https://ror.org/02p0gd045', 'country_code': 'ES', 'type': 'education', 'lineage': ['https://openalex.org/I121748325']}, {'id': 'https://openalex.org/I2960094004', 'display_name': 'Hospital General Universitario Gregorio Marañón', 'ror': 'https://ror.org/0111es613', 'country_code': 'ES', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2960094004', 'https://openalex.org/I4210139293']}], 'countries': ['ES', 'PR'], 'is_corresponding': False, 'raw_author_name': 'María J Ledesma', 'raw_affiliation_strings': ['Department of Physical Mathematics and Fluids (J.C.A.), Universidad Nacional de Educación a Distancia. Madrid, Spain', 'Escuela Técnica Superior de Telecomunicaciones (M.J.L., N.M., A.S.), Universidad Politécnica de Madrid', 'Laboratory of Echocardiography, Department of Cardiology (P.M-A., M.A.G-F., M.M., J.B.), Department of Experimental Medicine (M.D.), Hospital General Universitario Gregorio Marañón', 'Universidad Complutense de Madrid'], 'affiliations': [{'raw_affiliation_string': 'Department of Physical Mathematics and Fluids (J.C.A.), Universidad Nacional de Educación a Distancia. Madrid, Spain', 'institution_ids': ['https://openalex.org/I178450904']}, {'raw_affiliation_string': 'Escuela Técnica Superior de Telecomunicaciones (M.J.L., N.M., A.S.), Universidad Politécnica de Madrid', 'institution_ids': ['https://openalex.org/I121595252']}, {'raw_affiliation_string': 'Universidad Complutense de Madrid', 'institution_ids': ['https://openalex.org/I121748325']}, {'raw_affiliation_string': 'Laboratory of Echocardiography, Department of Cardiology (P.M-A., M.A.G-F., M.M., J.B.), Department of Experimental Medicine (M.D.), Hospital General Universitario Gregorio Marañón', 'institution_ids': ['https://openalex.org/I2960094004']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5051945931', 'display_name': 'Norberto Malpica', 'orcid': 'https://orcid.org/0000-0003-4618-7459'}, 'institutions': [{'id': 'https://openalex.org/I178450904', 'display_name': 'National University of Distance Education', 'ror': 'https://ror.org/02msb5n36', 'country_code': 'ES', 'type': 'education', 'lineage': ['https://openalex.org/I178450904']}, {'id': 'https://openalex.org/I121595252', 'display_name': 'Polytechnic University of Puerto Rico', 'ror': 'https://ror.org/01b8jmq89', 'country_code': 'PR', 'type': 'education', 'lineage': ['https://openalex.org/I121595252']}, {'id': 'https://openalex.org/I121748325', 'display_name': 'Universidad Complutense de Madrid', 'ror': 'https://ror.org/02p0gd045', 'country_code': 'ES', 'type': 'education', 'lineage': ['https://openalex.org/I121748325']}, {'id': 'https://openalex.org/I2960094004', 'display_name': 'Hospital General Universitario Gregorio Marañón', 'ror': 'https://ror.org/0111es613', 'country_code': 'ES', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2960094004', 'https://openalex.org/I4210139293']}], 'countries': ['ES', 'PR'], 'is_corresponding': False, 'raw_author_name': 'Norberto Malpica', 'raw_affiliation_strings': ['Department of Physical Mathematics and Fluids (J.C.A.), Universidad Nacional de Educación a Distancia. Madrid, Spain', 'Escuela Técnica Superior de Telecomunicaciones (M.J.L., N.M., A.S.), Universidad Politécnica de Madrid', 'Laboratory of Echocardiography, Department of Cardiology (P.M-A., M.A.G-F., M.M., J.B.), Department of Experimental Medicine (M.D.), Hospital General Universitario Gregorio Marañón', 'Universidad Complutense de Madrid'], 'affiliations': [{'raw_affiliation_string': 'Department of Physical Mathematics and Fluids (J.C.A.), Universidad Nacional de Educación a Distancia. Madrid, Spain', 'institution_ids': ['https://openalex.org/I178450904']}, {'raw_affiliation_string': 'Escuela Técnica Superior de Telecomunicaciones (M.J.L., N.M., A.S.), Universidad Politécnica de Madrid', 'institution_ids': ['https://openalex.org/I121595252']}, {'raw_affiliation_string': 'Universidad Complutense de Madrid', 'institution_ids': ['https://openalex.org/I121748325']}, {'raw_affiliation_string': 'Laboratory of Echocardiography, Department of Cardiology (P.M-A., M.A.G-F., M.M., J.B.), Department of Experimental Medicine (M.D.), Hospital General Universitario Gregorio Marañón', 'institution_ids': ['https://openalex.org/I2960094004']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5016180116', 'display_name': 'A. Santos', 'orcid': 'https://orcid.org/0000-0001-7423-9135'}, 'institutions': [{'id': 'https://openalex.org/I178450904', 'display_name': 'National University of Distance Education', 'ror': 'https://ror.org/02msb5n36', 'country_code': 'ES', 'type': 'education', 'lineage': ['https://openalex.org/I178450904']}, {'id': 'https://openalex.org/I121595252', 'display_name': 'Polytechnic University of Puerto Rico', 'ror': 'https://ror.org/01b8jmq89', 'country_code': 'PR', 'type': 'education', 'lineage': ['https://openalex.org/I121595252']}, {'id': 'https://openalex.org/I121748325', 'display_name': 'Universidad Complutense de Madrid', 'ror': 'https://ror.org/02p0gd045', 'country_code': 'ES', 'type': 'education', 'lineage': ['https://openalex.org/I121748325']}, {'id': 'https://openalex.org/I2960094004', 'display_name': 'Hospital General Universitario Gregorio Marañón', 'ror': 'https://ror.org/0111es613', 'country_code': 'ES', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2960094004', 'https://openalex.org/I4210139293']}], 'countries': ['ES', 'PR'], 'is_corresponding': False, 'raw_author_name': 'Andrés Santos', 'raw_affiliation_strings': ['Department of Physical Mathematics and Fluids (J.C.A.), Universidad Nacional de Educación a Distancia. Madrid, Spain', 'Escuela Técnica Superior de Telecomunicaciones (M.J.L., N.M., A.S.), Universidad Politécnica de Madrid', 'Laboratory of Echocardiography, Department of Cardiology (P.M-A., M.A.G-F., M.M., J.B.), Department of Experimental Medicine (M.D.), Hospital General Universitario Gregorio Marañón', 'Universidad Complutense de Madrid'], 'affiliations': [{'raw_affiliation_string': 'Department of Physical Mathematics and Fluids (J.C.A.), Universidad Nacional de Educación a Distancia. Madrid, Spain', 'institution_ids': ['https://openalex.org/I178450904']}, {'raw_affiliation_string': 'Escuela Técnica Superior de Telecomunicaciones (M.J.L., N.M., A.S.), Universidad Politécnica de Madrid', 'institution_ids': ['https://openalex.org/I121595252']}, {'raw_affiliation_string': 'Universidad Complutense de Madrid', 'institution_ids': ['https://openalex.org/I121748325']}, {'raw_affiliation_string': 'Laboratory of Echocardiography, Department of Cardiology (P.M-A., M.A.G-F., M.M., J.B.), Department of Experimental Medicine (M.D.), Hospital General Universitario Gregorio Marañón', 'institution_ids': ['https://openalex.org/I2960094004']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5077720998', 'display_name': 'Mar Moreno', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I178450904', 'display_name': 'National University of Distance Education', 'ror': 'https://ror.org/02msb5n36', 'country_code': 'ES', 'type': 'education', 'lineage': ['https://openalex.org/I178450904']}, {'id': 'https://openalex.org/I121595252', 'display_name': 'Polytechnic University of Puerto Rico', 'ror': 'https://ror.org/01b8jmq89', 'country_code': 'PR', 'type': 'education', 'lineage': ['https://openalex.org/I121595252']}, {'id': 'https://openalex.org/I121748325', 'display_name': 'Universidad Complutense de Madrid', 'ror': 'https://ror.org/02p0gd045', 'country_code': 'ES', 'type': 'education', 'lineage': ['https://openalex.org/I121748325']}, {'id': 'https://openalex.org/I2960094004', 'display_name': 'Hospital General Universitario Gregorio Marañón', 'ror': 'https://ror.org/0111es613', 'country_code': 'ES', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2960094004', 'https://openalex.org/I4210139293']}], 'countries': ['ES', 'PR'], 'is_corresponding': False, 'raw_author_name': 'Mar Moreno', 'raw_affiliation_strings': ['Department of Physical Mathematics and Fluids (J.C.A.), Universidad Nacional de Educación a Distancia. Madrid, Spain', 'Escuela Técnica Superior de Telecomunicaciones (M.J.L., N.M., A.S.), Universidad Politécnica de Madrid', 'Laboratory of Echocardiography, Department of Cardiology (P.M-A., M.A.G-F., M.M., J.B.), Department of Experimental Medicine (M.D.), Hospital General Universitario Gregorio Marañón', 'Universidad Complutense de Madrid'], 'affiliations': [{'raw_affiliation_string': 'Department of Physical Mathematics and Fluids (J.C.A.), Universidad Nacional de Educación a Distancia. Madrid, Spain', 'institution_ids': ['https://openalex.org/I178450904']}, {'raw_affiliation_string': 'Escuela Técnica Superior de Telecomunicaciones (M.J.L., N.M., A.S.), Universidad Politécnica de Madrid', 'institution_ids': ['https://openalex.org/I121595252']}, {'raw_affiliation_string': 'Universidad Complutense de Madrid', 'institution_ids': ['https://openalex.org/I121748325']}, {'raw_affiliation_string': 'Laboratory of Echocardiography, Department of Cardiology (P.M-A., M.A.G-F., M.M., J.B.), Department of Experimental Medicine (M.D.), Hospital General Universitario Gregorio Marañón', 'institution_ids': ['https://openalex.org/I2960094004']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5087490208', 'display_name': 'Javier Bermejo', 'orcid': 'https://orcid.org/0000-0002-5241-2758'}, 'institutions': [{'id': 'https://openalex.org/I178450904', 'display_name': 'National University of Distance Education', 'ror': 'https://ror.org/02msb5n36', 'country_code': 'ES', 'type': 'education', 'lineage': ['https://openalex.org/I178450904']}, {'id': 'https://openalex.org/I121595252', 'display_name': 'Polytechnic University of Puerto Rico', 'ror': 'https://ror.org/01b8jmq89', 'country_code': 'PR', 'type': 'education', 'lineage': ['https://openalex.org/I121595252']}, {'id': 'https://openalex.org/I121748325', 'display_name': 'Universidad Complutense de Madrid', 'ror': 'https://ror.org/02p0gd045', 'country_code': 'ES', 'type': 'education', 'lineage': ['https://openalex.org/I121748325']}, {'id': 'https://openalex.org/I2960094004', 'display_name': 'Hospital General Universitario Gregorio Marañón', 'ror': 'https://ror.org/0111es613', 'country_code': 'ES', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2960094004', 'https://openalex.org/I4210139293']}], 'countries': ['ES', 'PR'], 'is_corresponding': False, 'raw_author_name': 'Javier Bermejo', 'raw_affiliation_strings': ['Department of Physical Mathematics and Fluids (J.C.A.), Universidad Nacional de Educación a Distancia. Madrid, Spain', 'Escuela Técnica Superior de Telecomunicaciones (M.J.L., N.M., A.S.), Universidad Politécnica de Madrid', 'Laboratory of Echocardiography, Department of Cardiology (P.M-A., M.A.G-F., M.M., J.B.), Department of Experimental Medicine (M.D.), Hospital General Universitario Gregorio Marañón', 'Universidad Complutense de Madrid'], 'affiliations': [{'raw_affiliation_string': 'Department of Physical Mathematics and Fluids (J.C.A.), Universidad Nacional de Educación a Distancia. Madrid, Spain', 'institution_ids': ['https://openalex.org/I178450904']}, {'raw_affiliation_string': 'Escuela Técnica Superior de Telecomunicaciones (M.J.L., N.M., A.S.), Universidad Politécnica de Madrid', 'institution_ids': ['https://openalex.org/I121595252']}, {'raw_affiliation_string': 'Universidad Complutense de Madrid', 'institution_ids': ['https://openalex.org/I121748325']}, {'raw_affiliation_string': 'Laboratory of Echocardiography, Department of Cardiology (P.M-A., M.A.G-F., M.M., J.B.), Department of Experimental Medicine (M.D.), Hospital General Universitario Gregorio Marañón', 'institution_ids': ['https://openalex.org/I2960094004']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5057715381', 'display_name': 'J. C. Antoranz', 'orcid': 'https://orcid.org/0000-0003-2925-3629'}, 'institutions': [{'id': 'https://openalex.org/I2960094004', 'display_name': 'Hospital General Universitario Gregorio Marañón', 'ror': 'https://ror.org/0111es613', 'country_code': 'ES', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2960094004', 'https://openalex.org/I4210139293']}, {'id': 'https://openalex.org/I178450904', 'display_name': 'National University of Distance Education', 'ror': 'https://ror.org/02msb5n36', 'country_code': 'ES', 'type': 'education', 'lineage': ['https://openalex.org/I178450904']}, {'id': 'https://openalex.org/I121595252', 'display_name': 'Polytechnic University of Puerto Rico', 'ror': 'https://ror.org/01b8jmq89', 'country_code': 'PR', 'type': 'education', 'lineage': ['https://openalex.org/I121595252']}, {'id': 'https://openalex.org/I121748325', 'display_name': 'Universidad Complutense de Madrid', 'ror': 'https://ror.org/02p0gd045', 'country_code': 'ES', 'type': 'education', 'lineage': ['https://openalex.org/I121748325']}], 'countries': ['ES', 'PR'], 'is_corresponding': False, 'raw_author_name': 'José C Antoranz', 'raw_affiliation_strings': ['Department of Physical Mathematics and Fluids (J.C.A.), Universidad Nacional de Educación a Distancia. Madrid, Spain', 'Escuela Técnica Superior de Telecomunicaciones (M.J.L., N.M., A.S.), Universidad Politécnica de Madrid', 'Laboratory of Echocardiography, Department of Cardiology (P.M-A., M.A.G-F., M.M., J.B.), Department of Experimental Medicine (M.D.), Hospital General Universitario Gregorio Marañón', 'Universidad Complutense de Madrid'], 'affiliations': [{'raw_affiliation_string': 'Laboratory of Echocardiography, Department of Cardiology (P.M-A., M.A.G-F., M.M., J.B.), Department of Experimental Medicine (M.D.), Hospital General Universitario Gregorio Marañón', 'institution_ids': ['https://openalex.org/I2960094004']}, {'raw_affiliation_string': 'Department of Physical Mathematics and Fluids (J.C.A.), Universidad Nacional de Educación a Distancia. Madrid, Spain', 'institution_ids': ['https://openalex.org/I178450904']}, {'raw_affiliation_string': 'Escuela Técnica Superior de Telecomunicaciones (M.J.L., N.M., A.S.), Universidad Politécnica de Madrid', 'institution_ids': ['https://openalex.org/I121595252']}, {'raw_affiliation_string': 'Universidad Complutense de Madrid', 'institution_ids': ['https://openalex.org/I121748325']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5075123470', 'display_name': 'Manuel Desco', 'orcid': 'https://orcid.org/0000-0003-0989-3231'}, 'institutions': [{'id': 'https://openalex.org/I178450904', 'display_name': 'National University of Distance Education', 'ror': 'https://ror.org/02msb5n36', 'country_code': 'ES', 'type': 'education', 'lineage': ['https://openalex.org/I178450904']}, {'id': 'https://openalex.org/I121595252', 'display_name': 'Polytechnic University of Puerto Rico', 'ror': 'https://ror.org/01b8jmq89', 'country_code': 'PR', 'type': 'education', 'lineage': ['https://openalex.org/I121595252']}, {'id': 'https://openalex.org/I121748325', 'display_name': 'Universidad Complutense de Madrid', 'ror': 'https://ror.org/02p0gd045', 'country_code': 'ES', 'type': 'education', 'lineage': ['https://openalex.org/I121748325']}, {'id': 'https://openalex.org/I2960094004', 'display_name': 'Hospital General Universitario Gregorio Marañón', 'ror': 'https://ror.org/0111es613', 'country_code': 'ES', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2960094004', 'https://openalex.org/I4210139293']}], 'countries': ['ES', 'PR'], 'is_corresponding': False, 'raw_author_name': 'Manuel Desco', 'raw_affiliation_strings': ['Department of Physical Mathematics and Fluids (J.C.A.), Universidad Nacional de Educación a Distancia. Madrid, Spain', 'Escuela Técnica Superior de Telecomunicaciones (M.J.L., N.M., A.S.), Universidad Politécnica de Madrid', 'Laboratory of Echocardiography, Department of Cardiology (P.M-A., M.A.G-F., M.M., J.B.), Department of Experimental Medicine (M.D.), Hospital General Universitario Gregorio Marañón', 'Universidad Complutense de Madrid'], 'affiliations': [{'raw_affiliation_string': 'Department of Physical Mathematics and Fluids (J.C.A.), Universidad Nacional de Educación a Distancia. Madrid, Spain', 'institution_ids': ['https://openalex.org/I178450904']}, {'raw_affiliation_string': 'Escuela Técnica Superior de Telecomunicaciones (M.J.L., N.M., A.S.), Universidad Politécnica de Madrid', 'institution_ids': ['https://openalex.org/I121595252']}, {'raw_affiliation_string': 'Universidad Complutense de Madrid', 'institution_ids': ['https://openalex.org/I121748325']}, {'raw_affiliation_string': 'Laboratory of Echocardiography, Department of Cardiology (P.M-A., M.A.G-F., M.M., J.B.), Department of Experimental Medicine (M.D.), Hospital General Universitario Gregorio Marañón', 'institution_ids': ['https://openalex.org/I2960094004']}]}], 'countries_distinct_count': 2, 'institutions_distinct_count': 4, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 3200, 'currency': 'USD', 'value_usd': 3200, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 2.178, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 26, 'citation_normalized_percentile': {'value': 0.814847, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 87, 'max': 88}, 'biblio': {'volume': '15', 'issue': '2', 'first_page': '99', 'last_page': '108'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10821', 'display_name': 'Recommendations for Cardiac Chamber Quantification by Echocardiography', '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/T10821', 'display_name': 'Recommendations for Cardiac Chamber Quantification by Echocardiography', '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/T10372', 'display_name': 'Advanced Cardiac Imaging Techniques and Diagnostics', 'score': 0.9997, '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/T10378', 'display_name': 'Magnetic Resonance Imaging Applications in Medicine', 'score': 0.9984, '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'}}], 'keywords': [{'id': 'https://openalex.org/keywords/endocardium', 'display_name': 'Endocardium', 'score': 0.9401448}, {'id': 'https://openalex.org/keywords/systole', 'display_name': 'Systole', 'score': 0.68045986}, {'id': 'https://openalex.org/keywords/cardiovascular-mri', 'display_name': 'Cardiovascular MRI', 'score': 0.577095}, {'id': 'https://openalex.org/keywords/cardiac-imaging', 'display_name': 'Cardiac Imaging', 'score': 0.573937}, {'id': 'https://openalex.org/keywords/doppler-imaging', 'display_name': 'Doppler imaging', 'score': 0.5539019}, {'id': 'https://openalex.org/keywords/cardiac-cycle', 'display_name': 'Cardiac cycle', 'score': 0.51329273}, {'id': 'https://openalex.org/keywords/functional-mri', 'display_name': 'Functional MRI', 'score': 0.512544}, {'id': 'https://openalex.org/keywords/myocardial-perfusion', 'display_name': 'Myocardial Perfusion', 'score': 0.510227}, {'id': 'https://openalex.org/keywords/echocardiography', 'display_name': 'Echocardiography', 'score': 0.505198}], 'concepts': [{'id': 'https://openalex.org/C85378888', 'wikidata': 'https://www.wikidata.org/wiki/Q721856', 'display_name': 'Endocardium', 'level': 2, 'score': 0.9401448}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.83054554}, {'id': 'https://openalex.org/C57900726', 'wikidata': 'https://www.wikidata.org/wiki/Q492905', 'display_name': 'Diastole', 'level': 3, 'score': 0.8176373}, {'id': 'https://openalex.org/C164705383', 'wikidata': 'https://www.wikidata.org/wiki/Q10379', 'display_name': 'Cardiology', 'level': 1, 'score': 0.799958}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.7248149}, {'id': 'https://openalex.org/C169554166', 'wikidata': 'https://www.wikidata.org/wiki/Q496359', 'display_name': 'Systole', 'level': 4, 'score': 0.68045986}, {'id': 'https://openalex.org/C109982973', 'wikidata': 'https://www.wikidata.org/wiki/Q5297353', 'display_name': 'Doppler imaging', 'level': 4, 'score': 0.5539019}, {'id': 'https://openalex.org/C500558357', 'wikidata': 'https://www.wikidata.org/wiki/Q12152', 'display_name': 'Myocardial infarction', 'level': 2, 'score': 0.54526705}, {'id': 'https://openalex.org/C99398487', 'wikidata': 'https://www.wikidata.org/wiki/Q257319', 'display_name': 'Cardiac cycle', 'level': 2, 'score': 0.51329273}, {'id': 'https://openalex.org/C541997718', 'wikidata': 'https://www.wikidata.org/wiki/Q188151', 'display_name': 'Ischemia', 'level': 2, 'score': 0.46986043}, {'id': 'https://openalex.org/C84393581', 'wikidata': 'https://www.wikidata.org/wiki/Q82642', 'display_name': 'Blood pressure', 'level': 2, 'score': 0.21940905}], 'mesh': [{'descriptor_ui': 'D018618', 'descriptor_name': 'Echocardiography, Doppler, Color', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': True}, {'descriptor_ui': 'D017202', 'descriptor_name': 'Myocardial Ischemia', 'qualifier_ui': 'Q000000981', 'qualifier_name': 'diagnostic imaging', 'is_major_topic': True}, {'descriptor_ui': 'D000293', 'descriptor_name': 'Adolescent', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000328', 'descriptor_name': 'Adult', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000368', 'descriptor_name': 'Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D001783', 'descriptor_name': 'Blood Flow Velocity', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D003971', 'descriptor_name': 'Diastole', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D003971', 'descriptor_name': 'Diastole', 'qualifier_ui': 'Q000502', 'qualifier_name': 'physiology', 'is_major_topic': False}, {'descriptor_ui': 'D018618', 'descriptor_name': 'Echocardiography, Doppler, Color', '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': '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': 'D017202', 'descriptor_name': 'Myocardial Ischemia', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D009206', 'descriptor_name': 'Myocardium', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D009206', 'descriptor_name': 'Myocardium', 'qualifier_ui': 'Q000473', 'qualifier_name': 'pathology', 'is_major_topic': False}, {'descriptor_ui': 'D015588', 'descriptor_name': 'Observer Variation', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D013599', 'descriptor_name': 'Systole', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D013599', 'descriptor_name': 'Systole', 'qualifier_ui': 'Q000502', 'qualifier_name': 'physiology', 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1067/mje.2002.120634', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S185321339', 'display_name': 'Journal of the American Society of Echocardiography', 'issn_l': '0894-7317', 'issn': ['0894-7317', '1097-6795'], '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/11836484', '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', 'id': 'https://metadata.un.org/sdg/3', 'score': 0.83}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 28, 'referenced_works': ['https://openalex.org/W1964098636', 'https://openalex.org/W1997434146', 'https://openalex.org/W1998445669', 'https://openalex.org/W2003563731', 'https://openalex.org/W2007645428', 'https://openalex.org/W2010731810', 'https://openalex.org/W2013691947', 'https://openalex.org/W2016644111', 'https://openalex.org/W2027588229', 'https://openalex.org/W2033715653', 'https://openalex.org/W2036872185', 'https://openalex.org/W2042129072', 'https://openalex.org/W2065866444', 'https://openalex.org/W2076793222', 'https://openalex.org/W2079433774', 'https://openalex.org/W2081192695', 'https://openalex.org/W2085294574', 'https://openalex.org/W2086267805', 'https://openalex.org/W2106377610', 'https://openalex.org/W2116932789', 'https://openalex.org/W2117476311', 'https://openalex.org/W2120101392', 'https://openalex.org/W2151808248', 'https://openalex.org/W2156310318', 'https://openalex.org/W2156731876', 'https://openalex.org/W2157306664', 'https://openalex.org/W2432655394', 'https://openalex.org/W3025332499'], 'related_works': ['https://openalex.org/W3014633923', 'https://openalex.org/W2312780947', 'https://openalex.org/W2132584388', 'https://openalex.org/W2127118146', 'https://openalex.org/W2100424294', 'https://openalex.org/W2086085737', 'https://openalex.org/W2075143535', 'https://openalex.org/W2012798771', 'https://openalex.org/W2001185685', 'https://openalex.org/W1574295361'], 'abstract_inverted_index': {'Background:': [0], 'Preliminary': [1], 'experimental': [2], 'data': [3], 'have': [4, 394], 'shown': [5, 250], 'a': [6, 27, 89, 106, 203, 231, 300, 362, 380], 'nonuniform': [7, 363], 'distribution': [8, 49, 364, 376], 'of': [9, 30, 41, 50, 91, 108, 119, 130, 271, 326, 365, 377, 402], 'myocardial': [10, 15, 34, 55, 79, 112, 370, 387, 405], 'velocities': [11, 366, 378], '(MVs)': [12], 'across': [13], 'the': [14, 25, 33, 47, 53, 60, 162, 173, 181, 206, 215, 222, 272, 282, 293, 318, 327, 336, 341, 368, 399], 'wall': [16, 390], 'in': [17, 32, 70, 147, 172, 180, 188, 205, 211, 225, 233, 236, 242, 275, 281, 292, 315, 323, 335, 340, 367, 383, 397], 'normal': [18, 373], 'conditions.': [19, 374], 'However,': [20], 'after': [21], 'ischemic': [22, 160, 189, 257, 313, 386], 'damage': [23], 'to': [24, 45, 75, 251], 'myocardium,': [26, 328], 'different': [28, 78, 253, 369], 'pattern': [29], 'reduction': [31], 'layers': [35, 80, 132, 213, 325, 371], 'has': [36], 'been': [37], 'reported.': [38], 'The': [39, 183, 295], 'aim': [40], 'this': [42, 330], 'study': [43], 'is': [44, 361], 'analyze': [46], 'spatial': [48], 'MVs': [51], 'and': [52, 62, 83, 85, 114, 127, 136, 152, 165, 175, 209, 244, 256, 277, 329, 404], 'resultant': [54], 'velocity': [56], 'gradients': [57], '(MVGs)': [58], 'during': [59, 285, 356], 'systolic': [61, 135, 217], 'diastolic': [63, 137], 'time': [64, 138], 'periods.': [65, 150, 218], 'Doppler': [66], 'tissue': [67], 'imaging': [68], '(DTI)': [69], 'color': [71, 101], 'M-mode': [72], 'was': [73, 121, 145, 186, 221, 230, 249, 279, 290, 321, 332, 353], 'used': [74], 'evaluate': [76], '3': [77, 148, 216], '(endocardium,': [81], 'mesocardium,': [82, 176], 'epicardium)': [84], 'their': [86], 'changes': [87], 'as': [88], 'result': [90], 'ischemia.': [92], 'Methods:': [93], 'Thirty-two': [94], 'consecutive': [95], 'patients': [96, 104, 190, 314, 384], 'were': [97, 139, 155], 'studied': [98], 'with': [99, 105, 123, 385], 'DTI': [100], 'M-mode:': [102], '18': [103], 'history': [107], 'previous': [109], 'or': [110], 'ongoing': [111], 'infarction': [113], '14': [115], 'healthy': [116], 'subjects.': [117], 'Postprocessing': [118], 'images': [120], 'accomplished': [122], 'proprietary': [124], 'software.': [125], 'MV': [126, 164, 167, 208, 235, 274, 320], 'MVG': [128, 185, 210, 248, 296, 342], 'values': [129], 'all': [131, 212, 237, 324], 'along': [133], 'both': [134, 398], 'calculated.': [140], 'For': [141], 'temporal': [142, 283], 'analysis,': [143], 'systole': [144, 169], 'subdivided': [146], 'equal': [149], 'Early-': [151], 'late-diastolic': [153], 'times': [154], 'also': [156, 298, 354], 'identified.': [157], 'Results:': [158], 'In': [159, 227, 312], 'patients,': [161], 'mean': [163, 184, 247], 'maximum': [166, 319], 'throughout': [168], 'decreased': [170], 'significantly': [171], 'endocardium': [174, 243, 276], 'whereas': [177], 'only': [178], 'slightly': [179], 'epicardium.': [182, 294], 'less': [187], '(0.66': [191], '±': [192, 196, 260, 264, 304, 308, 344, 348], '0.11': [193], 'vs': [194, 262, 306, 346], '0.23': [195], '0.15,': [197], 'P': [198, 266, 310, 350], '<.03).': [199], 'Temporal': [200], 'analysis': [201, 284, 392], 'showed': [202, 299], 'decrease': [204, 220, 232, 270, 302], 'maximal': [207, 234, 273], 'over': [214], 'This': [219, 375], 'more': [223, 240], 'consistent': [224], 'mesocardium.': [226, 245], 'diastole,': [228, 317], 'there': [229], 'layers,': [238], 'being': [239], 'pronounced': [241], 'Diastolic': [246], 'be': [252], 'between': [254], 'control': [255], 'groups': [258], '(−0.2': [259], '0.05': [261], '−0.10': [263], '0.04,': [265], '<.06).': [267], 'A': [268], 'significant': [269, 301, 381], 'mesocardium': [278], 'reported': [280, 291, 355], 'early': [286, 400], 'diastole.': [287, 358], 'No': [288], 'change': [289, 382], 'value': [297], '(−2.69': [303], '0.29': [305], '−1.59': [307], '0.89,': [309], '<.02).': [311], 'late': [316, 357], 'increased': [322], 'increase': [331, 339], 'observed': [333], 'mainly': [334], 'endocardium.': [337], 'An': [338], '(−0.78': [343], '0.18': [345], '−1.47': [347], '0.85,': [349], '=': [351], 'NS)': [352], 'Conclusion:': [359], 'There': [360], 'under': [372], 'undergoes': [379], 'damage.': [388], 'Intramyocardial': [389], 'motion': [391], 'could': [393], 'clinical': [395], 'applications': [396], 'detection': [401], 'ischemia': [403], 'viability.': [406], '(J': [407], 'Am': [408], 'Soc': [409], 'Echocardiogr': [410], '2002;15:99-108.)': [411]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2123470624', 'counts_by_year': [{'year': 2021, 'cited_by_count': 1}, {'year': 2019, 'cited_by_count': 1}, {'year': 2014, 'cited_by_count': 1}, {'year': 2013, 'cited_by_count': 2}, {'year': 2012, 'cited_by_count': 1}], 'updated_date': '2024-09-13T05:53:20.956607', 'created_date': '2016-06-24'}