{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T06:55:47Z","timestamp":1791874547890,"version":"4.3.4"},"reference-count":40,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2023,6,15]],"date-time":"2023-06-15T00:00:00Z","timestamp":1686787200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCDD"],"abstract":"<jats:p>Background: Left atrial (LA) function is crucial for assessing left ventricular filling in various cardiovascular conditions. Cardiac Amyloidosis (CA) is characterized by atrial myopathy and LA function impairment, with diastolic dysfunction up to restrictive filling pattern, leading to progressive heart failure and arrhythmias. This study evaluates LA function and deformation using speckle tracking echocardiography (STE) in patients with CA compared to a cohort of patients with sarcomeric Hypertrophic Cardiomyopathy (HCM) and a control group. Methods: We conducted a retrospective, observational study (from January 2019 to December 2022) including a total of 100 patients: 33 with ATTR-CA, 34 with HCMs, and 33 controls. Clinical evaluation, electrocardiograms, and transthoracic echocardiography were performed. Echocardiogram images were analyzed in post-processing using EchoPac software for LA strain quantification, including LA-reservoir, LA-conduit, and LA-contraction strain. Results: The CA group exhibited significantly impaired LA function compared to HCMs and control groups, with LA-reservoir median values of \u22129%, LA-conduit \u22126.7%, and LA-contraction \u22123%; this impairment was consistent even in the CA subgroup with preserved ejection fraction. LA strain parameters correlated with LV mass index, LA volume index, E\/e\u2019, and LV-global longitudinal strain and were found to be associated with atrial fibrillation and exertional dyspnea. Conclusions: LA function assessed by STE is significantly impaired in CA patients compared to HCMs patients and healthy controls. These findings highlight the potential supportive role of STE in the early detection and management of the disease.<\/jats:p>","DOI":"10.3390\/jcdd10060261","type":"journal-article","created":{"date-parts":[[2023,6,15]],"date-time":"2023-06-15T04:16:57Z","timestamp":1686802617000},"page":"261","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":42,"title":["Left Atrial Strain Imaging by Speckle Tracking Echocardiography: The Supportive Diagnostic Value in Cardiac Amyloidosis and Hypertrophic Cardiomyopathy"],"prefix":"10.3390","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7059-7525","authenticated-orcid":false,"given":"Ines Paola","family":"Monte","sequence":"first","affiliation":[{"name":"Department of Surgery and Medical-Surgical Specialties, University of Catania, Via Santa Sofia 78, 95123 Catania, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6568-6176","authenticated-orcid":false,"given":"Denise Cristiana","family":"Faro","sequence":"additional","affiliation":[{"name":"Department of Surgery and Medical-Surgical Specialties, University of Catania, Via Santa Sofia 78, 95123 Catania, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-9165-7732","authenticated-orcid":false,"given":"Giancarlo","family":"Trimarchi","sequence":"additional","affiliation":[{"name":"Department of Clinical and Experimental Medicine, University Hospital of Messina, 98121 Messina, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fabrizio","family":"de Gaetano","sequence":"additional","affiliation":[{"name":"Department of Surgery and Medical-Surgical Specialties, University of Catania, Via Santa Sofia 78, 95123 Catania, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mariapaola","family":"Campisi","sequence":"additional","affiliation":[{"name":"Azienda Ospedaliera Provinciale di Catania, Santa Maria e Santa Venera Hospital, 95024 Acireale, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9328-4417","authenticated-orcid":false,"given":"Valentina","family":"Losi","sequence":"additional","affiliation":[{"name":"Department of Surgery and Medical-Surgical Specialties, University of Catania, Via Santa Sofia 78, 95123 Catania, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lucio","family":"Teresi","sequence":"additional","affiliation":[{"name":"Department of Clinical and Experimental Medicine, University Hospital of Messina, 98121 Messina, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gianluca","family":"Di Bella","sequence":"additional","affiliation":[{"name":"Department of Clinical and Experimental Medicine, University Hospital of Messina, 98121 Messina, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Corrado","family":"Tamburino","sequence":"additional","affiliation":[{"name":"Department of Surgery and Medical-Surgical Specialties, University of Catania, Via Santa Sofia 78, 95123 Catania, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3022-266X","authenticated-orcid":false,"given":"Cesare","family":"de Gregorio","sequence":"additional","affiliation":[{"name":"Department of Clinical and Experimental Medicine, University Hospital of Messina, 98121 Messina, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,6,15]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"756","DOI":"10.1016\/S0002-9149(98)00452-4","article-title":"Increasing degrees of left ventricular filling impairment modulate left atrial function in humans","volume":"82","author":"Prioli","year":"1998","journal-title":"Am. 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