{"id":5661,"date":"2026-07-31T11:46:57","date_gmt":"2026-07-31T09:46:57","guid":{"rendered":"https:\/\/cvja.co.za\/journal\/?p=5661"},"modified":"2026-07-31T11:46:57","modified_gmt":"2026-07-31T09:46:57","slug":"cvja-2026-026","status":"publish","type":"post","link":"https:\/\/cvja.co.za\/journal\/cvja-2026-026\/","title":{"rendered":"Mechanical vs. sutureless aortic valve replacement: clinical outcomes and the contribution of preoperative multislice CT"},"content":{"rendered":"    <div id=\"article\">                                                                                                                        \r\n        <div id=\"title-container\">                                                                                                    \r\n        <div id=\"authors-title\">                                                                                                            \r\n        <!--Aurthors under Title-->                                                                                                            \r\n            \r\n\u00d6zg\u00fcr \u00c7oban, \u0130brahim \u00d6zs\u00f6yler\r\n<\/div>        \r\n<\/div>                                                                                                                            \r\n            <div id=\"copyright\">\r\n        <strong>Copyright:<\/strong> Clinics Cardive Publishing (Pty) Ltd. publisher\r\n        of Cardiovascular Journal of Africa.<\/div>\r\n    <div style=\"clear: both;\"><\/div>                                                                                                                                \r\n        <div id=\"article-abstract\">                                                                                                            \r\n            <div id=\"abstract-title\">                                                                                                        \r\n                    Abstract                                                                                                                \r\n                <\/div>                                                                                                                        \r\n                                                                                                                                \r\n            <div id=\"abstract-content\">                                                                                                        \r\n            <!--Content of Abstract Article-->                                                                                                \r\n            <!--<strong>\"Abstract titles\":<\/strong>-->                                                                                        \r\n            <!--<br\/> at the end of each section!!-->                                                                                        \r\n                                                                                                                                                    \r\n\r\n        <strong>Introduction:<\/strong>                                                                                                    \r\n                                                                                                                                                    \r\nHeart valve disease is a significant cause of morbidity and mortality, and aortic valve replacement (AVR) is a common treatment option. Recently, sutureless biological valves have gained increasing use. This study aimed to evaluate the concordance between preoperative computed tomography-derived annulus measurements and valve sizes implanted during surgery rather than the direct clinical impact of imaging on prosthesis selection.\r\n<br \/>    \r\n\r\n        <strong>Methods:<\/strong>                                                                                                    \r\n                                                                                                                                                    \r\nA total of 40 patients with aortic valve stenosis who underwent elective open-heart surgery and preoperative multislice computed tomography between February 20 and May 20, 2024, were included and were randomly allocated into two groups: sutureless biological valve (n = 20) and mechanical valve (n = 20). Data were obtained from patient records and the hospital\u2019s data system and analysed statistically.\r\n<br \/>\r\n                \r\n                <strong>Results:<\/strong>                                                                                                    \r\nA total of 40 patients were included in the study, 20 received sutureless, rapidly implantable biological valves, and 20 underwent mechanical AVR. The mean age of the cohort was 61.5 \u00b1 9.1 years, with 45% females and 55% males. Compared with the sutureless group, the mechanical valve group had significantly longer cross-clamp times (73.5 vs. 53.0 minutes, p < 0.001) and cardiopulmonary bypass times (102 vs. 92 minutes, p = 0.011), as well as smaller sinotubular junction diameters (30.2 vs. 32.3 mm, p = 0.025). In contrast, the sutureless group demonstrated a significantly greater optimal effective orifice area index (1.58 vs. 0.77, p < 0.001).\r\n<br \/>\r\n                                                                                                                                                                                                                                                                        \r\n                                                                                                                                                \r\n        <strong>Conclusion:<\/strong>                                                                                                    \r\n                                                                                                                                                    \r\nPreoperative computed tomography is a reliable tool for planning AVR. Sutureless biological valves provide shorter cross-clamp and bypass times and favourable haemodynamic performance, whereas mechanical valves are more often associated with smaller valve sizes and longer procedures. Early postoperative outcomes were comparable between groups.\r\n<br \/>    \r\n                                                                                                        \r\n\r\n                                                                                                                                                \r\n            <\/div>                                                                                                                            \r\n        <\/div>                                                                                                                                    \r\n                                                                                                                                        \r\n                                                                                                                                                \r\n        <div id=\"keywords\">                                                                                                                    \r\n                                                                                                                                            \r\n            <strong>Keywords:<\/strong>                                                                                                        \r\n                                                                                                                                            \r\n            <strong>open heart surgery, aortic valve replacement, sutureless valve, mechanical valve, multislice computed tomography<\/strong>                                                                                                                                                                                                                    \r\n                                                                                                                                                \r\n        <\/div>                                                                                                                                    \r\n                                                                                                                                                \r\n    <div id=\"publish-info\">                                                                                                                    \r\n                                                                                                                                \r\n    <strong>Submitted:<\/strong> January 31, 2025; <!--Month day, year; -->    \r\n    <strong>Accepted:<\/strong> May 6, 2026; <!--Month day, year; -->                                                                            \r\n    <strong>Published:<\/strong> July 31, 2026<!--Month day, year; -->                                                                                                                            <br \/>                                                            \r\n        <em>Cardiovasc J Afr 2025; <b>37<\/b>: 289-293<!--pg no. till pg no. \"eg. 4-7\"--><\/em>\r\n        <br \/><strong>Volume 37, Issue 3<\/strong> <br \/>                                                                            \r\n        <\/div>                                                                                                                            \r\n                                                                                                                                        \r\n    <div id=\"DOI\">                                                                                                                    \r\n            DOI Citation Reference: dx.doi.org\/10.5830\/CVJA-2026-026<!--DOI number-->                                                                \r\n        <\/div>                                                                                                                            \r\n                \r\n                <div id=\"author-affiliation\">                                                                                                \r\n\r\n<strong>Adana City Training and Research Hospital, Department of Cardiovascular Surgery, Adana, T\u00fcrkiye\r\n\r\n<\/strong>    <br \/>                                                                            \r\n\u00d6zg\u00fcr \u00c7oban<br \/>\r\n\u0130brahim \u00d6zs\u00f6yler\r\n<br \/><br \/>   \r\n  \r\n\r\n                [soshsc hide=\"logged\"]\r\n                <strong>You need to be <a style=\"color: #c80c44;\" href=\"https:\/\/cvja.co.za\/journal\/member-login\/\" target=\"_blank\" rel=\"noopener\">logged in to view and download<\/a> the full text PDF version. <a style=\"color: #c80c44;\" href=\"https:\/\/cvja.co.za\/journal\/register\/\" target=\"_blank\" rel=\"noopener\">Register for a free account?<\/a><\/strong> <br \/><br \/>[\/soshsc]\r\n                \r\n                \r\n                \r\n                <\/div>\r\n    \r\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Heart valve disease is a significant cause of morbidity and mortality, and aortic valve replacement (AVR) is a common treatment option. Recently, sutureless biological valves have gained increasing use. This study aimed to evaluate the concordance between preoperative computed tomography-derived annulus measurements and valve sizes implanted during surgery rather than the direct clinical impact of imaging on prosthesis selection.<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[44,111],"tags":[],"class_list":["post-5661","post","type-post","status-publish","format-standard","hentry","category-cardiovascular-topics","category-volume-37-issue-3"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Mechanical vs. sutureless aortic valve replacement: clinical outcomes and the contribution of preoperative multislice CT - Cardiovascular Journal of Africa<\/title>\n<meta name=\"description\" content=\"Heart valve disease is a significant cause of morbidity and mortality, and aortic valve replacement (AVR) is a common treatment option. Recently, sutureless biological valves have gained increasing use. This study aimed to evaluate the concordance between preoperative computed tomography-derived annulus measurements and valve sizes implanted during surgery rather than the direct clinical impact of imaging on prosthesis selection.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cvja.co.za\/journal\/cvja-2026-026\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mechanical vs. sutureless aortic valve replacement: clinical outcomes and the contribution of preoperative multislice CT - Cardiovascular Journal of Africa\" \/>\n<meta property=\"og:description\" content=\"Heart valve disease is a significant cause of morbidity and mortality, and aortic valve replacement (AVR) is a common treatment option. 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This study aimed to evaluate the concordance between preoperative computed tomography-derived annulus measurements and valve sizes implanted during surgery rather than the direct clinical impact of imaging on prosthesis selection.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cvja.co.za\/journal\/cvja-2026-026\/\" \/>\n<meta property=\"og:site_name\" content=\"Cardiovascular Journal of Africa\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-31T09:46:57+00:00\" \/>\n<meta name=\"author\" content=\"Jaco Moolman\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jaco Moolman\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/cvja.co.za\/journal\/cvja-2026-026\/\",\"url\":\"https:\/\/cvja.co.za\/journal\/cvja-2026-026\/\",\"name\":\"Mechanical vs. sutureless aortic valve replacement: clinical outcomes and the contribution of preoperative multislice CT - Cardiovascular Journal of Africa\",\"isPartOf\":{\"@id\":\"https:\/\/cvja.co.za\/journal\/#website\"},\"datePublished\":\"2026-07-31T09:46:57+00:00\",\"author\":{\"@id\":\"https:\/\/cvja.co.za\/journal\/#\/schema\/person\/6bf8a30a039e93fd8112db707affb920\"},\"description\":\"Heart valve disease is a significant cause of morbidity and mortality, and aortic valve replacement (AVR) is a common treatment option. 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