INVASIVE INTERVENTIONS IN STRUCTURAL HEART DISEASES: COMPREHENSIVE TECHNIQUES

Invasive Interventions in Structural Heart Diseases-kapak

IMAGING FOR STRUCTURAL HEART PROCEDURES: FOCUS ON COMPUTED TOMOGRAPHY (CT)

Süleyman Barutçu

Muğla Sıtkı Koçman University, Faculty of Medicine, Training and Research Hospital, Department of Cardiology, Muğla, Türkiye

Barutçu S. Imaging for Structural Heart Procedures: Focus on Computed Tomography (CT). In: Tanık VO, Özlek B, editors. Invasive Interventions in Structural Heart Diseases: Comprehensive Techniques. 1st ed. Ankara: Türkiye Klinikleri; 2025. p.45-56.

ABSTRACT

Imaging plays a critical role in the planning, guidance, and post-procedural assessment of structural heart interventions. While echocardiography, fluoroscopy, and magnetic resonance imaging (MRI) are commonly used; computed tomography (CT) has become increasingly important, especially for pre-procedural planning and post-procedural follow-up in various structural heart interventions. CT enables highly precise measurement of the target structure’s dimensions. Additionally, it provides valuable insights into the access route. Moreover, preprocedural data sets derived by CT can be utilized to determine optimal fluoroscopic projection angles, enhancing visualization of the target structure and guiding device placement effectively. High resolution and 3D anatomical visualization provided by CT is essential for planning complex structural heart interventions such as: transcatheter aortic valve implantation (TAVI), Transcatheter Mitral Valve Repair (TMVR), left atrial appendage occlusion (LAAO) and paravalvular leak closure. Cardiac CT has also proven beneficial in the follow-up of complex structural heart interventions, particularly for detecting post-procedural complications such as leaflet thickeningor trombosis, paravalvular leaks or coronary ostial occlusions.

Keywords: Transcatheter aortic valve replacement; Heart valves; Left atrial appendage closure; Cardiac imaging techniques

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