{"id":5443,"date":"2019-10-24T00:00:00","date_gmt":"2019-10-24T04:00:00","guid":{"rendered":"https:\/\/icesontario.wpengine.com\/journal-articles\/inequity-in-access-to-transcatheter-aortic-valve-replacement-a-pan-canadian-evaluation-of-wait-times\/"},"modified":"2023-06-14T19:34:17","modified_gmt":"2023-06-14T23:34:17","slug":"inequity-in-access-to-transcatheter-aortic-valve-replacement-a-pan-canadian-evaluation-of-wait-times","status":"publish","type":"journal_article","link":"https:\/\/www.ices.on.ca\/fr\/publications\/journal-articles\/inequity-in-access-to-transcatheter-aortic-valve-replacement-a-pan-canadian-evaluation-of-wait-times\/","title":{"rendered":"Inequity in access to transcatheter aortic valve replacement: a pan-Canadian evaluation of wait-times"},"content":{"rendered":"<p><strong>Background <\/strong>&#x2014; There has been an exponential increase in the demand for transcatheter aortic valve replacement (TAVR). Our goal was to examine trends in TAVR capacity and wait-times across Canada.<\/p>\n<p><strong>Methods <\/strong>&#x2014; All TAVR cases were identified from April 1, 2014 to March 31, 2017. Wait-time was defined as the duration in days from the initial referral to the TAVR procedure. TAVR capacity was defined as the number of TAVR procedures\/million population\/province\/fiscal year. We performed multivariable multilevel Cox-proportional hazards modelling of the time to TAVR as the dependant variable and the effect of provinces as random effects. We quantified the variation in wait-times among provinces using the median hazard ratio (MHR).<\/p>\n<p><strong>Results <\/strong>&#x2014; We identified a total of 4,906 TAVR procedures across 9 provinces. Despite a year over year increase in overall capacity, there was a greater than 3-fold difference in capacity between provinces. Crude median wait-times increased over time in all provinces, with marked variation from 71.5 days in Newfoundland to 190.5 and 203 days in Manitoba and Alberta respectively. This suggests increasing demand outpaced the growth in capacity. We found an MHR of 1.62, indicating that in half of the possible pair-wise comparisons, the time to TAVR for identical patients was at least 62% longer between different provinces.<\/p>\n<p><strong>Conclusion <\/strong>&#x2014; We found substantial geographic inequity in TAVR access. This calls for policy makers, clinicians and administrators across Canada to address this inequity through revaluation of provincial funding mechanisms, as well as implementation of efficient care pathways.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Background &#x2014; There has been an exponential increase in the demand for transcatheter aortic valve replacement (TAVR). Our goal was to examine trends in TAVR capacity and wait-times across Canada. Methods &#x2014; All TAVR cases were identified from April 1, 2014 to March 31, 2017. Wait-time was defined as the duration in days from the [&hellip;]<\/p>\n","protected":false},"template":"","migration-helper-automated":[],"migration-manual":[],"topic":[],"migration-helper-qa-sample-set":[],"class_list":["post-5443","journal_article","type-journal_article","status-publish","hentry"],"acf":{"citation":"Wijeysundera HC, Henning KA, Qiu F, Adams C, Al Qoofi F, Asgar A, Austin P, Bainey KR, Cohen EA, Daneault B, Fremes S, Kass M, Ko DT, Lambert L, Lauck SB, MacFarlane K, Nadeem SN, Oakes G, Paddock V, Pelletier M, Peterson M, Piazza N, Potter BJ, Radhakrishnan S, Rodes-Cabau J, Toleva O, Webb JG, Welsh R, Wood D, Woodward G, Zimmermann R. <em>Can J Cardiol<\/em>. 2020; 36(6):844-51. Epub 2019 Oct 24.","source_url":"https:\/\/doi.org\/10.1016\/j.cjca.2019.10.018","ices_scientist":[1146,1133,1385,1331],"site":[6733],"research_program":[6742],"news_release":[],"journal_article":[],"atlas":[],"research_report":[],"infographic":[],"video":[],"downloads":null,"links":null,"sitecore_item_id":"554109B8-F396-43E9-8059-49BD74439A7E","sitecore_item_name":"Inequity-in-access-to-transcatheter-aortic-valve-replacement-a-Pan-Canadian-evaluation-of-wait-times","sitecore_field_values":"{\n  \"Title\": \"Inequity in access to transcatheter aortic valve replacement: a pan-Canadian evaluation of wait-times\",\n  \"Short title\": \"Inequity in access to transcatheter\",\n  \"Summary\": \"There has been an exponential increase in the demand for transcatheter aortic valve replacement (TAVR). This study's goal was to examine trends in TAVR capacity and wait-times across Canada.\",\n  \"Citation\": \"<p>Wijeysundera HC, Henning KA, Qiu F, Adams C, Al Qoofi F, Asgar A, Austin P, Bainey KR, Cohen EA, Daneault B, Fremes S, Kass M, Ko DT, Lambert L, Lauck SB, MacFarlane K, Nadeem SN, Oakes G, Paddock V, Pelletier M, Peterson M, Piazza N, Potter BJ, Radhakrishnan S, Rodes-Cabau J, Toleva O, Webb JG, Welsh R, Wood D, Woodward G, Zimmermann R. <em>Can J Cardiol<\/em>. 2020; 36(6):844-51. Epub 2019 Oct 24. DOI: <a href=\"https:\/\/doi.org\/10.1016\/j.cjca.2019.10.018\" title=\"opens external link\">10.1016\/j.cjca.2019.10.018<\/a>.<\/p>\",\n  \"Abstract\": \"<p><strong>Background <\/strong>&mdash; There has been an exponential increase in the demand for transcatheter aortic valve replacement (TAVR). Our goal was to examine trends in TAVR capacity and wait-times across Canada.<\/p>n<p><strong>Methods <\/strong>&mdash; All TAVR cases were identified from April 1, 2014 to March 31, 2017. Wait-time was defined as the duration in days from the initial referral to the TAVR procedure. TAVR capacity was defined as the number of TAVR procedures\/million population\/province\/fiscal year. We performed multivariable multilevel Cox-proportional hazards modelling of the time to TAVR as the dependant variable and the effect of provinces as random effects. We quantified the variation in wait-times among provinces using the median hazard ratio (MHR).<\/p>n<p><strong>Results <\/strong>&mdash; We identified a total of 4,906 TAVR procedures across 9 provinces. Despite a year over year increase in overall capacity, there was a greater than 3-fold difference in capacity between provinces. Crude median wait-times increased over time in all provinces, with marked variation from 71.5 days in Newfoundland to 190.5 and 203 days in Manitoba and Alberta respectively. This suggests increasing demand outpaced the growth in capacity. We found an MHR of 1.62, indicating that in half of the possible pair-wise comparisons, the time to TAVR for identical patients was at least 62% longer between different provinces.<\/p>n<p><strong>Conclusion <\/strong>&mdash; We found substantial geographic inequity in TAVR access. This calls for policy makers, clinicians and administrators across Canada to address this inequity through revaluation of provincial funding mechanisms, as well as implementation of efficient care pathways.<\/p>\",\n  \"Research Programs\": \"{BEC72DE0-BA8C-42B8-ACE5-EE29FFB2CB3B}\",\n  \"ICES Locations\": \"{4FCAABBA-14A5-42E6-8F33-BC6C2F1D9908}\",\n  \"ICES Scientists\": \"{B3827152-93D1-4FB2-B106-590CB331A264}|{8C2597F4-2B41-4E87-9F28-6887C689651B}|{7D498E8B-5801-4F9E-AC41-11ED50F3C34E}|{620A20F8-9087-45E1-9A3D-F7DB8078E180}\",\n  \"Posted Date\": \"20191024T000000\",\n  \"Show on Publications Landing Page\": \"1\"\n}","previous_url":"https:\/\/www.ices.on.ca\/Publications\/Journal-Articles\/2019\/October\/Inequity-in-access-to-transcatheter-aortic-valve-replacement-a-Pan-Canadian-evaluation-of-wait-times"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ICES | Inequity in access to transcatheter aortic valve replacement: a pan-Canadian evaluation of wait-times<\/title>\n<meta name=\"description\" content=\"Background &#x2014; There has been an exponential increase in the demand for transcatheter aortic valve replacement (TAVR). 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