{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,28]],"date-time":"2026-10-28T19:35:01Z","timestamp":1793216101653,"version":"4.5.0"},"reference-count":12,"publisher":"Elsevier BV","issue":"10","license":[{"start":{"date-parts":[[2025,10,1]],"date-time":"2025-10-01T00:00:00Z","timestamp":1759276800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2025,10,1]],"date-time":"2025-10-01T00:00:00Z","timestamp":1759276800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2025,6,16]],"date-time":"2025-06-16T00:00:00Z","timestamp":1750032000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["cjcopen.ca","clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["CJC Open"],"published-print":{"date-parts":[[2025,10]]},"DOI":"10.1016\/j.cjco.2025.06.012","type":"journal-article","created":{"date-parts":[[2025,6,20]],"date-time":"2025-06-20T12:47:02Z","timestamp":1750423622000},"page":"1282-1289","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":1,"title":["Equivocal vs Positive Technetium-99m-Pyrophosphate Scintigraphy for Transthyretin Amyloid Cardiomyopathy: Comparing Outcomes, Demographics, and Imaging"],"prefix":"10.1016","volume":"7","author":[{"ORCID":"https:\/\/orcid.org\/0009-0001-0897-9167","authenticated-orcid":false,"given":"Jocelyn","family":"Chai","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthew","family":"Cheung","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jeffrey","family":"Yim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lu Kun","family":"Chen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ahmad","family":"Didi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shane J.T.","family":"Balthazaar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Darwin","family":"Yeung","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel","family":"Worsley","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Margot K.","family":"Davis","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.cjco.2025.06.012_bib1","doi-asserted-by":"crossref","first-page":"1007","DOI":"10.1056\/NEJMoa1805689","article-title":"Tafamidis treatment for patients with transthyretin amyloid cardiomyopathy","volume":"379","author":"Maurer","year":"2018","journal-title":"N Engl J Med"},{"key":"10.1016\/j.cjco.2025.06.012_bib2","doi-asserted-by":"crossref","first-page":"2404","DOI":"10.1161\/CIRCULATIONAHA.116.021612","article-title":"Nonbiopsy diagnosis of cardiac transthyretin amyloidosis","volume":"133","author":"Gillmore","year":"2016","journal-title":"Circulation"},{"key":"10.1016\/j.cjco.2025.06.012_bib3","doi-asserted-by":"crossref","first-page":"1909","DOI":"10.1093\/eurheartj\/ehx210","article-title":"Challenging the myths of cardiac amyloidosis","volume":"38","author":"Siddiqi","year":"2017","journal-title":"Eur Heart J"},{"key":"10.1016\/j.cjco.2025.06.012_bib4","doi-asserted-by":"crossref","first-page":"2065","DOI":"10.1007\/s12350-019-01760-6","article-title":"ASNC\/AHA\/ASE\/EANM\/HFSA\/ISA\/SCMR\/SNMMI expert consensus recommendations for multimodality imaging in cardiac amyloidosis: Part 1 of 2\u2013evidence base and standardized methods of imaging","volume":"26","author":"Dorbala","year":"2019","journal-title":"J Nucl Cardiol"},{"issue":"Suppl 2","key":"10.1016\/j.cjco.2025.06.012_bib5","first-page":"2292","article-title":"A final diagnosis of cardiac amyloidosis is rare in patients with equivocal Tc-99m PYP: a single-center experience","volume":"63","author":"Medoff","year":"2022","journal-title":"J Nucl Med"},{"key":"10.1016\/j.cjco.2025.06.012_bib6","doi-asserted-by":"crossref","DOI":"10.1093\/eurheartj\/ehad139","article-title":"Tc-99m labelled bone scintigraphy in suspected cardiac amyloidosis","volume":"44","author":"Rauf","year":"2023","journal-title":"Eur Heart J"},{"issue":"Suppl: 1","key":"10.1016\/j.cjco.2025.06.012_bib7","first-page":"1370","article-title":"Tc-99m-PYP planar scan pitfalls in the assessment of cardiac amyloidosis","volume":"61","author":"Alkordy","year":"2020","journal-title":"J Nucl Med"},{"key":"10.1016\/j.cjco.2025.06.012_bib8","doi-asserted-by":"crossref","first-page":"1808","DOI":"10.1007\/s12350-020-02205-1","article-title":"Tc-99m-pyrophosphate scintigraphy for the diagnosis of ATTR cardiac amyloidosis: comparison of quantitative and semi-quantitative approaches","volume":"27","author":"R\u00e9gis","year":"2020","journal-title":"J Nucl Cardiol"},{"key":"10.1016\/j.cjco.2025.06.012_bib9","first-page":"19","article-title":"The use of PYP scan for evaluation of ATTR cardiac amyloidosis at a tertiary medical centre","volume":"29","author":"Dower","year":"2022","journal-title":"Br J Cardiol"},{"key":"10.1016\/j.cjco.2025.06.012_bib12","doi-asserted-by":"crossref","first-page":"90","DOI":"10.2967\/jnmt.123.265416","article-title":"Cardiac Amyloidosis Imaging, Part 2: Quantification and Technical Considerations","volume":"51","author":"Schockling","year":"2023","journal-title":"J Nucl Med Technol"},{"key":"10.1016\/j.cjco.2025.06.012_bib10","doi-asserted-by":"crossref","first-page":"1","DOI":"10.3389\/fcvm.2020.607760","article-title":"Different pathophysiology and outcomes of heart failure with preserved ejection fraction stratified by K-means clustering","volume":"7","author":"Harada","year":"2020","journal-title":"Front Cardiovasc Med"},{"key":"10.1016\/j.cjco.2025.06.012_bib11","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1161\/CIRCHEARTFAILURE.119.006075","article-title":"Expert consensus recommendations for the suspicion and diagnosis of transthyretin cardiac amyloidosis","volume":"12","author":"Maurer","year":"2019","journal-title":"Circ Heart Fail"}],"container-title":["CJC Open"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2589790X25004524?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2589790X25004524?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,10,28]],"date-time":"2026-10-28T19:19:19Z","timestamp":1793215159000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S2589790X25004524"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,10]]},"references-count":12,"journal-issue":{"issue":"10","published-print":{"date-parts":[[2025,10]]}},"alternative-id":["S2589790X25004524"],"URL":"https:\/\/doi.org\/10.1016\/j.cjco.2025.06.012","relation":{},"ISSN":["2589-790X"],"issn-type":[{"value":"2589-790X","type":"print"}],"subject":[],"published":{"date-parts":[[2025,10]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Equivocal vs Positive Technetium-99m-Pyrophosphate Scintigraphy for Transthyretin Amyloid Cardiomyopathy: Comparing Outcomes, Demographics, and Imaging","name":"articletitle","label":"Article Title"},{"value":"CJC Open","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.cjco.2025.06.012","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2025 The Authors. Published by Elsevier Inc. on behalf of the Canadian Cardiovascular Society.","name":"copyright","label":"Copyright"}]}}