{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,3]],"date-time":"2026-02-03T21:47:09Z","timestamp":1770155229333,"version":"3.49.0"},"reference-count":48,"publisher":"Oxford University Press (OUP)","issue":"1","license":[{"start":{"date-parts":[[2026,2,3]],"date-time":"2026-02-03T00:00:00Z","timestamp":1770076800000},"content-version":"vor","delay-in-days":764,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2023,12,1]],"date-time":"2023-12-01T00:00:00Z","timestamp":1701388800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2024,1,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Impairment of left ventricular (LV) longitudinal function is an early marker of systolic dysfunction in hypertrophic cardiomyopathy (HCM). Aortic annular plane systolic excursion (AAPSE) is a measure of LV longitudinal function in people that has not been evaluated in cats.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Hypothesis<\/jats:title>\n                    <jats:p>Aortic annular plane systolic excursion is lower in cats with HCM compared to control cats, and cats in stage C have the lowest AAPSE.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Animals<\/jats:title>\n                    <jats:p>One hundred seventy-five cats: 60 normal, 61 HCM stage B and 54 HCM stage C cats.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials<\/jats:title>\n                    <jats:p>Multicenter retrospective case-control study. Electronic medical records from 4 referral hospitals were reviewed for cats diagnosed with HCM and normal cats. HCM was defined as LV wall thickness \u22656\u2009mm and normal cats \u22645\u2009mm. M-mode bisecting the aorta in right parasternal short-axis view was used to measure AAPSE.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Aortic annular plane systolic excursion was lower in HCM cats compared to normal cats (3.9\u2009\u00b1\u20090.9\u2009mm versus 4.6\u2009\u00b1\u20090.9\u2009mm, P\u2009&amp;lt;\u2009.001) and was lowest in HCM stage C (2.4\u2009\u00b1\u20090.6\u2009mm, P\u2009&amp;lt;\u2009.001). An AAPSE &amp;lt;2.9\u2009mm gave a sensitivity of 83% (95% CI 71%-91%) and specificity of 92% (95% CI 82%-97%) to differentiate HCM stage C from stage B. AAPSE correlated with mitral annular plane systolic excursion (r\u2009=\u2009.6 [.4-.7], P\u2009&amp;lt;\u2009.001), and atrial fractional shortening (r\u2009=\u2009.6 [.5-.7], P\u2009&amp;lt;\u2009.001), but showed no correlation with LV fractional shortening.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions and Clinical Importance<\/jats:title>\n                    <jats:p>Aortic annular plane systolic excursion is an easily acquired echocardiographic variable and might be a new measurement of LV systolic performance in cats with HCM.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jvim.16962","type":"journal-article","created":{"date-parts":[[2023,12,1]],"date-time":"2023-12-01T12:08:06Z","timestamp":1701432486000},"page":"61-70","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Aortic annular plane systolic excursion in cats with 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Zealand"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joel","family":"Silva","sequence":"additional","affiliation":[{"name":"North Downs Specialist Referrals, The Friesian Buildings 3 & 4 , Bletchingley, Surrey,","place":["UK"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8128-8111","authenticated-orcid":false,"given":"Jose","family":"Novo Matos","sequence":"additional","affiliation":[{"name":"University of Cambridge Department of Veterinary Medicine, , Cambridge,","place":["UK"]}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2024,1,1]]},"reference":[{"key":"2026020304054871600_jvim16962-bib-0001","doi-asserted-by":"crossref","first-page":"1062","DOI":"10.1111\/jvim.15745","article-title":"ACVIM consensus statement guidelines for the classification, diagnosis, and management of cardiomyopathies in cats","volume":"34","author":"Luis 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