{"id":"https://openalex.org/W2914550592","doi":"https://doi.org/10.1001/jamacardio.2018.4717","title":"Center Variation in Medicare Spending for Durable Left Ventricular Assist Device Implant Hospitalizations","display_name":"Center Variation in Medicare Spending for Durable Left Ventricular Assist Device Implant Hospitalizations","publication_year":2019,"publication_date":"2019-01-30","ids":{"openalex":"https://openalex.org/W2914550592","doi":"https://doi.org/10.1001/jamacardio.2018.4717","mag":"2914550592","pmid":"https://pubmed.ncbi.nlm.nih.gov/30698605","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/6439617"},"language":"en","primary_location":{"id":"doi:10.1001/jamacardio.2018.4717","doi":"https://doi.org/10.1001/jamacardio.2018.4717","is_oa":true,"landing_page_url":"https://doi.org/10.1001/jamacardio.2018.4717","pdf_url":"https://jamanetwork.com/journals/jamacardiology/articlepdf/2722747/jamacardiology_thompson_2019_oi_180074.pdf","source":{"id":"https://openalex.org/S2765015654","display_name":"JAMA Cardiology","issn_l":"2380-6583","issn":["2380-6583","2380-6591"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["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/P4310320259","host_organization_name":"American Medical Association","host_organization_lineage":["https://openalex.org/P4310320259"],"host_organization_lineage_names":["American Medical Association"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"JAMA Cardiology","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://jamanetwork.com/journals/jamacardiology/articlepdf/2722747/jamacardiology_thompson_2019_oi_180074.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5038109046","display_name":"Michael P. Thompson","orcid":"https://orcid.org/0000-0002-9992-593X","observed_orcids":["https://orcid.org/0000-0002-9992-593X"]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]},{"id":"https://openalex.org/I4210114445","display_name":"Michigan Medicine","ror":"https://ror.org/01zcpa714","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210114445"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Michael P. Thompson","raw_affiliation_strings":["Department of Cardiac Surgery, University of Michigan Medical School, Ann Arbor"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiac Surgery, University of Michigan Medical School, Ann Arbor","institution_ids":["https://openalex.org/I27837315","https://openalex.org/I4210114445"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052170083","display_name":"Francis D. Pagani","orcid":"https://orcid.org/0000-0003-4430-9969","observed_orcids":["https://orcid.org/0000-0003-4430-9969","https://orcid.org/0000-0002-7206-6215"]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]},{"id":"https://openalex.org/I4210114445","display_name":"Michigan Medicine","ror":"https://ror.org/01zcpa714","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210114445"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Francis D. Pagani","raw_affiliation_strings":["Department of Cardiac Surgery, University of Michigan Medical School, Ann Arbor"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiac Surgery, University of Michigan Medical School, Ann Arbor","institution_ids":["https://openalex.org/I27837315","https://openalex.org/I4210114445"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064291431","display_name":"Qixing Liang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Qixing Liang","raw_affiliation_strings":["School of Public Health, Department of Biostatistics, University of Michigan, Ann Arbor"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Public Health, Department of Biostatistics, University of Michigan, Ann Arbor","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035576620","display_name":"Lynze R. Franko","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Lynze R. Franko","raw_affiliation_strings":["University of Michigan Medical School, Ann Arbor"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Michigan Medical School, Ann Arbor","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100402998","display_name":"Min Zhang","orcid":"https://orcid.org/0000-0003-3331-3583","observed_orcids":["https://orcid.org/0000-0003-3331-3583"]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Min Zhang","raw_affiliation_strings":["School of Public Health, Department of Biostatistics, University of Michigan, Ann Arbor"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Public Health, Department of Biostatistics, University of Michigan, Ann Arbor","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072182204","display_name":"Jeffrey Scott McCullough","orcid":"https://orcid.org/0000-0001-6155-980X","observed_orcids":["https://orcid.org/0000-0001-6155-980X"]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jeffrey S. McCullough","raw_affiliation_strings":["Department of Health Management and Policy, School of Public Health, University of Michigan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Health Management and Policy, School of Public Health, University of Michigan","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077332219","display_name":"Raymond J. Strobel","orcid":"https://orcid.org/0000-0002-3129-3980","observed_orcids":["https://orcid.org/0000-0002-3129-3980"]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Raymond J. Strobel","raw_affiliation_strings":["University of Michigan Medical School, Ann Arbor"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Michigan Medical School, Ann Arbor","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086114384","display_name":"Keith D. Aaronson","orcid":"https://orcid.org/0000-0003-1538-576X","observed_orcids":["https://orcid.org/0000-0003-1538-576X"]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]},{"id":"https://openalex.org/I4210114445","display_name":"Michigan Medicine","ror":"https://ror.org/01zcpa714","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210114445"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Keith D. Aaronson","raw_affiliation_strings":["Division of Cardiovascular Medicine, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Cardiovascular Medicine, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor","institution_ids":["https://openalex.org/I27837315","https://openalex.org/I4210114445"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062766900","display_name":"Robert L. Kormos","orcid":"https://orcid.org/0000-0003-1421-7123","observed_orcids":["https://orcid.org/0000-0003-1421-7123"]},"institutions":[{"id":"https://openalex.org/I4210134769","display_name":"University of Pittsburgh Medical Center","ror":"https://ror.org/04ehecz88","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210098814","https://openalex.org/I4210134769"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Robert L. Kormos","raw_affiliation_strings":["Department of Cardiothoracic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiothoracic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania","institution_ids":["https://openalex.org/I4210134769"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003151332","display_name":"Donald S. Likosky","orcid":"https://orcid.org/0000-0003-0416-9359","observed_orcids":["https://orcid.org/0000-0003-0416-9359"]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]},{"id":"https://openalex.org/I4210114445","display_name":"Michigan Medicine","ror":"https://ror.org/01zcpa714","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210114445"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Donald S. Likosky","raw_affiliation_strings":["Department of Cardiac Surgery, University of Michigan Medical School, Ann Arbor"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiac Surgery, University of Michigan Medical School, Ann Arbor","institution_ids":["https://openalex.org/I27837315","https://openalex.org/I4210114445"]}]},{"author_position":"last","author":{"id":null,"display_name":"for the Michigan Congestive Heart Failure Investigators","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"for the Michigan Congestive Heart Failure Investigators","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5038109046"],"corresponding_institution_ids":["https://openalex.org/I27837315","https://openalex.org/I4210114445"],"apc_list":null,"apc_paid":null,"fwci":0.6878,"has_fulltext":true,"cited_by_count":15,"citation_normalized_percentile":{"value":0.62014317,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"4","issue":"2","first_page":"153","last_page":"153"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10675","display_name":"Mechanical Circulatory Support Devices","score":0.9883000254631042,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10675","display_name":"Mechanical Circulatory Support Devices","score":0.9883000254631042,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10391","display_name":"Healthcare Policy and Management","score":0.009399999864399433,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11189","display_name":"Transplantation: Methods and Outcomes","score":0.0003000000142492354,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/left-ventricular-assist-device","display_name":"left ventricular assist device","score":0.9079999923706055},{"id":"https://openalex.org/keywords/lvad-implantation","display_name":"LVAD implantation","score":0.8040000200271606},{"id":"https://openalex.org/keywords/medicare-spending","display_name":"Medicare spending","score":0.8339999914169312},{"id":"https://openalex.org/keywords/hospitalization-costs","display_name":"hospital costs","score":0.7549999952316284},{"id":"https://openalex.org/keywords/outlier-payments","display_name":"outlier payments","score":0.9900000095367432},{"id":"https://openalex.org/keywords/diagnosis-related-groups","display_name":"diagnosis-related groups","score":0.796999990940094},{"id":"https://openalex.org/keywords/adverse-events","display_name":"adverse events","score":0.9380000233650208},{"id":"https://openalex.org/keywords/intermacs-registry","display_name":"INTERMACS registry","score":0.7269999980926514},{"id":"https://openalex.org/keywords/mechanical-circulatory-support","display_name":"mechanical circulatory support","score":0.6899999976158142},{"id":"https://openalex.org/keywords/value-addition","display_name":"value addition","score":0.5249999761581421},{"id":"https://openalex.org/keywords/risk-adjustment","display_name":"risk adjustment","score":0.5830000042915344},{"id":"https://openalex.org/keywords/quality-of-care","display_name":"quality of care","score":0.36500000953674316},{"id":"https://openalex.org/keywords/end-stage-heart-failure","display_name":"end-stage heart failure","score":0.6100000143051147},{"id":"https://openalex.org/keywords/heart-transplantation","display_name":"heart transplantation","score":0.40700000524520874}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8838484287261963},{"id":"https://openalex.org/C68443243","wikidata":"https://www.wikidata.org/wiki/Q2786686","display_name":"Quartile","level":3,"score":0.769811749458313},{"id":"https://openalex.org/C2776534028","wikidata":"https://www.wikidata.org/wiki/Q1141363","display_name":"Medicaid","level":3,"score":0.6072720289230347},{"id":"https://openalex.org/C167135981","wikidata":"https://www.wikidata.org/wiki/Q2146302","display_name":"Retrospective cohort study","level":2,"score":0.519434928894043},{"id":"https://openalex.org/C194828623","wikidata":"https://www.wikidata.org/wiki/Q2861470","display_name":"Emergency medicine","level":1,"score":0.4976346790790558},{"id":"https://openalex.org/C2779703844","wikidata":"https://www.wikidata.org/wiki/Q760125","display_name":"Reimbursement","level":3,"score":0.4518222510814667},{"id":"https://openalex.org/C72563966","wikidata":"https://www.wikidata.org/wiki/Q1303415","display_name":"Cohort","level":2,"score":0.4435441792011261},{"id":"https://openalex.org/C2781411149","wikidata":"https://www.wikidata.org/wiki/Q486975","display_name":"Implant","level":2,"score":0.4136837124824524},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.284601092338562},{"id":"https://openalex.org/C160735492","wikidata":"https://www.wikidata.org/wiki/Q31207","display_name":"Health care","level":2,"score":0.21376430988311768},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.1610928773880005},{"id":"https://openalex.org/C44249647","wikidata":"https://www.wikidata.org/wiki/Q208498","display_name":"Confidence interval","level":2,"score":0.10549885034561157},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005102","descriptor_name":"Health Expenditures","qualifier_ui":"Q000706","qualifier_name":"statistics & numerical data","is_major_topic":true},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006278","descriptor_name":"Medicare","qualifier_ui":"Q000191","qualifier_name":"economics","is_major_topic":true},{"descriptor_ui":"D006353","descriptor_name":"Heart-Assist Devices","qualifier_ui":"Q000009","qualifier_name":"adverse effects","is_major_topic":false},{"descriptor_ui":"D006353","descriptor_name":"Heart-Assist Devices","qualifier_ui":"Q000191","qualifier_name":"economics","is_major_topic":true},{"descriptor_ui":"D006760","descriptor_name":"Hospitalization","qualifier_ui":"Q000191","qualifier_name":"economics","is_major_topic":true},{"descriptor_ui":"D006760","descriptor_name":"Hospitalization","qualifier_ui":"Q000706","qualifier_name":"statistics & numerical data","is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007902","descriptor_name":"Length of Stay","qualifier_ui":"Q000191","qualifier_name":"economics","is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012189","descriptor_name":"Retrospective Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014481","descriptor_name":"United States","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D016311","descriptor_name":"Outliers, DRG","qualifier_ui":"Q000191","qualifier_name":"economics","is_major_topic":false},{"descriptor_ui":"D017063","descriptor_name":"Outcome Assessment, Health Care","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":3,"locations":[{"id":"doi:10.1001/jamacardio.2018.4717","doi":"https://doi.org/10.1001/jamacardio.2018.4717","is_oa":true,"landing_page_url":"https://doi.org/10.1001/jamacardio.2018.4717","pdf_url":"https://jamanetwork.com/journals/jamacardiology/articlepdf/2722747/jamacardiology_thompson_2019_oi_180074.pdf","source":{"id":"https://openalex.org/S2765015654","display_name":"JAMA Cardiology","issn_l":"2380-6583","issn":["2380-6583","2380-6591"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["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/P4310320259","host_organization_name":"American Medical Association","host_organization_lineage":["https://openalex.org/P4310320259"],"host_organization_lineage_names":["American Medical Association"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"JAMA Cardiology","raw_type":"journal-article"},{"id":"pmh:oai:pubmedcentral.nih.gov:6439617","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/6439617","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"JAMA Cardiol","raw_type":"Text"},{"id":"pmid:30698605","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/30698605","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"JAMA cardiology","raw_type":"Comparative Study"}],"best_oa_location":{"id":"doi:10.1001/jamacardio.2018.4717","doi":"https://doi.org/10.1001/jamacardio.2018.4717","is_oa":true,"landing_page_url":"https://doi.org/10.1001/jamacardio.2018.4717","pdf_url":"https://jamanetwork.com/journals/jamacardiology/articlepdf/2722747/jamacardiology_thompson_2019_oi_180074.pdf","source":{"id":"https://openalex.org/S2765015654","display_name":"JAMA Cardiology","issn_l":"2380-6583","issn":["2380-6583","2380-6591"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["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/P4310320259","host_organization_name":"American Medical Association","host_organization_lineage":["https://openalex.org/P4310320259"],"host_organization_lineage_names":["American Medical Association"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"JAMA Cardiology","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.98580002784729,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"},{"score":0.7307999730110168,"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10"}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[{"id":"https://openalex.org/G162395915","display_name":null,"funder_award_id":"HHSN268201100025C","funder_id":"https://openalex.org/F4320337338","funder_display_name":"National Heart, Lung, and Blood Institute"},{"id":"https://openalex.org/G9000914334","display_name":"Multidisciplinary Cardiovascular Research Training","funder_award_id":"T32HL007853","funder_id":"https://openalex.org/F4320337338","funder_display_name":"National Heart, Lung, and Blood Institute"}],"funders":[{"id":"https://openalex.org/F4320310400","display_name":"Dartmouth College","ror":"https://ror.org/049s0rh22"},{"id":"https://openalex.org/F4320332161","display_name":"National Institutes of Health","ror":"https://ror.org/01cwqze88"},{"id":"https://openalex.org/F4320332205","display_name":"Centers for Medicare and Medicaid Services","ror":"https://ror.org/02g02rq35"},{"id":"https://openalex.org/F4320337338","display_name":"National Heart, Lung, and Blood Institute","ror":"https://ror.org/012pb6c26"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2914550592.pdf","grobid_xml":"https://content.openalex.org/works/W2914550592.grobid-xml"},"referenced_works_count":37,"referenced_works":["https://openalex.org/W1499796422","https://openalex.org/W1747616615","https://openalex.org/W1767574473","https://openalex.org/W1879572961","https://openalex.org/W1986479972","https://openalex.org/W1993975919","https://openalex.org/W1999049348","https://openalex.org/W2007497986","https://openalex.org/W2012314194","https://openalex.org/W2012999275","https://openalex.org/W2055347777","https://openalex.org/W2058862296","https://openalex.org/W2081042264","https://openalex.org/W2082058463","https://openalex.org/W2113483789","https://openalex.org/W2117889776","https://openalex.org/W2121832194","https://openalex.org/W2126966176","https://openalex.org/W2135157036","https://openalex.org/W2164960880","https://openalex.org/W2168493738","https://openalex.org/W2169192944","https://openalex.org/W2173050817","https://openalex.org/W2211981808","https://openalex.org/W2510370861","https://openalex.org/W2566585373","https://openalex.org/W2587601955","https://openalex.org/W2734930111","https://openalex.org/W2750986247","https://openalex.org/W2777105736","https://openalex.org/W2787267343","https://openalex.org/W2791025072","https://openalex.org/W2796829979","https://openalex.org/W2802381092","https://openalex.org/W2803309067","https://openalex.org/W4241246774","https://openalex.org/W4252672596"],"related_works":["https://openalex.org/W3132386829","https://openalex.org/W2089550187","https://openalex.org/W2049458081","https://openalex.org/W2157931911","https://openalex.org/W3158571712","https://openalex.org/W2313908059","https://openalex.org/W3161676925","https://openalex.org/W2519994773","https://openalex.org/W2038120704","https://openalex.org/W1993551769"],"abstract_inverted_index":{"Importance:":[0],"Hospitalizations":[1],"for":[2,22,40,66,278,288,316,356],"durable":[3,41,82,107,317,357],"left":[4],"ventricular":[5],"assist":[6],"device":[7],"(LVAD)":[8],"implants":[9],"are":[10,25],"expensive":[11],"and":[12,45,53,63,113,122,127,132,136,147,154,182,200,218,251,312,354,373],"increasingly":[13],"common.":[14],"Insights":[15],"into":[16,88],"center-level":[17,35],"variation":[18,36,367],"in":[19,37,77,213,264,267,368],"Medicare":[20,38,60,95,103,130,193,314],"spending":[21,39,96,220,344,369],"these":[23],"hospitalizations":[24,44,320],"needed":[26],"to":[27,205,361,365],"inform":[28],"value":[29],"improvement":[30],"efforts.":[31],"Objective:":[32],"To":[33],"examine":[34],"LVAD":[42,83,108,318,358],"implant":[43,109,319],"its":[46],"association":[47],"with":[48,170,234,274,297,307,337,348],"clinical":[49,72,133,148],"outcomes.":[50,134],"Design,":[51],"Setting,":[52],"Participants:":[54],"Retrospective":[55],"cohort":[56],"study":[57,101,164],"of":[58,97,152,174,240,282,301,341],"linked":[59],"administrative":[61],"claims":[62],"Interagency":[64],"Registry":[65],"Mechanically":[67],"Assisted":[68],"Circulatory":[69],"Support":[70],"(INTERMACS)":[71],"data":[73],"comprising":[74],"106":[75,209],"centers":[76],"the":[78,92,189,241,265,283,352],"United":[79],"States":[80],"providing":[81],"implant.":[84],"Centers":[85],"were":[86,117,157,295,304],"grouped":[87],"quartiles":[89,221,270,294],"based":[90],"on":[91],"mean":[93,171,190],"price-standardized":[94,192,214,292],"their":[98],"patients.":[99],"The":[100,163,211],"included":[102,166],"beneficiaries":[104],"receiving":[105],"primary":[106],"between":[110,119,216,269],"January":[111],"2008":[112],"December":[114],"2014.":[115],"Data":[116],"analyzed":[118],"November":[120],"2017":[121],"October":[123],"2018.":[124],"Main":[125],"Outcomes":[126],"Measures:":[128],"Price-standardized":[129],"payments":[131,146,215,236,268,276,315],"Overall":[135],"component":[137],"(facility":[138],"diagnosis-related":[139],"group":[140],"payments,":[141,143],"outlier":[142,235,275],"physician":[144,252],"services)":[145],"outcomes":[149],"(postimplant":[150],"length":[151,300,340],"stay":[153,302],"adverse":[155,309,349],"events)":[156],"compared":[158],"across":[159,208,323],"payment":[160,194,293],"quartiles.":[161],"Results:":[162],"sample":[165],"4442":[167,187],"hospitalized":[168],"patients,":[169],"(SD)":[172,191],"age":[173],"63.0":[175],"(10.8)":[176],"years,":[177],"18.7%":[178],"female,":[179],"27.2%":[180],"nonwhite,":[181],"6.1%":[183],"Hispanic":[184],"ethnicity.":[185],"Among":[186],"hospitalizations,":[188],"was":[195,222,260,326,345],"$176":[196],"825":[197],"($60":[198],"286)":[199],"ranged":[201],"from":[202,370],"$122":[203],"953":[204],"$271":[206],"472":[207],"centers.":[210],"difference":[212,242,266,284],"lowest":[217],"highest":[219],"$55":[223],"446":[224],"($152":[225],"714":[226],"vs":[227],"$208":[228],"160;":[229],"36%;":[230],"P":[231],"<":[232],".001),":[233],"making":[237],"up":[238],"most":[239],"($42":[243],"742;":[244],"77%),":[245],"followed":[246],"by":[247,330],"DRG":[248],"($6929;":[249],"13%)":[250],"services":[253],"($5774;":[254],"10%).":[255],"After":[256,286],"risk":[257],"standardization,":[258],"there":[259],"a":[261,279],"modest":[262],"decline":[263],"($53":[271],"221;":[272],"35%),":[273],"accounting":[277],"larger":[280],"proportion":[281],"(84%).":[285],"adjusting":[287],"patient":[289],"characteristics,":[290],"higher":[291],"associated":[296,306,336,347],"longer":[298,338],"postimplant":[299,339],"but":[303],"not":[305,327,346],"any":[308],"events.":[310,350],"Conclusions":[311],"Relevance:":[313],"vary":[321],"widely":[322],"centers;":[324],"this":[325],"well":[328],"explained":[329,372],"prices":[331],"or":[332],"case":[333],"mix.":[334],"While":[335],"stay,":[342],"increased":[343],"As":[351],"supply":[353],"demand":[355],"therapy":[359],"continues":[360],"rise,":[362],"identifying":[363],"opportunities":[364],"reduce":[366],"both":[371],"unexplained":[374],"sources":[375],"will":[376],"ensure":[377],"high-value":[378],"use.":[379]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1}],"updated_date":"2026-11-05T12:25:35.769452","created_date":"2019-02-21T00:00:00"}
