Thus, new automatic 3-D TEE software allows modeling and quantifying the aortic root from 3-D TEE data with high reproducibility and showed good correlation between the automated measurements and other 3-D validated techniques, thus supporting its use in clinical practice as an alternative to MDCT before transcatheter aortic valve implantation for annular sizing (annular area, annular mean diameter and perimeter, sinotubular junction diameter, sinus of Valsalva diameter) [54]. Although TEE can be used intraprocedurally, it has a limited role for preprocedural assessment. Additionally there is a paucity of TEE data for evaluating aortic root features such as coronary ostial height and subannular calcification [55]. US Echocardiography Transthoracic Resting Although ultrasound (US) echocardiography transthoracic resting can diagnose aortic stenosis and can be used during TAVR procedures, there is no relevant literature to support its use for annulus sizing and assessment of aortic root. Variant 2: Preintervention planning for transcatheter aortic valve replacement: assessment of supravalvular aorta and vascular access. Initial imaging. Aortography Chest, Abdomen, and Pelvis There is no relevant literature to support the use of aortography of the chest, abdomen, and pelvis as the initial imaging modality for the evaluation of vascular access before a TAVR procedure. CT Abdomen and Pelvis With IV Contrast There is no relevant literature to support the use of CT abdomen and pelvis with IV contrast as the initial imaging modality for the valuation of vascular access for a TAVR procedure. CT Abdomen and Pelvis Without and With IV Contrast There is no relevant literature to support the use of CT abdomen and pelvis without and with IV contrast as the initial imaging modality for evaluation of vascular access for a TAVR procedure.
Preprocedural Planning for Transcatheter Aortic Valve Replacement. Thus, new automatic 3-D TEE software allows modeling and quantifying the aortic root from 3-D TEE data with high reproducibility and showed good correlation between the automated measurements and other 3-D validated techniques, thus supporting its use in clinical practice as an alternative to MDCT before transcatheter aortic valve implantation for annular sizing (annular area, annular mean diameter and perimeter, sinotubular junction diameter, sinus of Valsalva diameter) [54]. Although TEE can be used intraprocedurally, it has a limited role for preprocedural assessment. Additionally there is a paucity of TEE data for evaluating aortic root features such as coronary ostial height and subannular calcification [55]. US Echocardiography Transthoracic Resting Although ultrasound (US) echocardiography transthoracic resting can diagnose aortic stenosis and can be used during TAVR procedures, there is no relevant literature to support its use for annulus sizing and assessment of aortic root. Variant 2: Preintervention planning for transcatheter aortic valve replacement: assessment of supravalvular aorta and vascular access. Initial imaging. Aortography Chest, Abdomen, and Pelvis There is no relevant literature to support the use of aortography of the chest, abdomen, and pelvis as the initial imaging modality for the evaluation of vascular access before a TAVR procedure. CT Abdomen and Pelvis With IV Contrast There is no relevant literature to support the use of CT abdomen and pelvis with IV contrast as the initial imaging modality for the valuation of vascular access for a TAVR procedure. CT Abdomen and Pelvis Without and With IV Contrast There is no relevant literature to support the use of CT abdomen and pelvis without and with IV contrast as the initial imaging modality for evaluation of vascular access for a TAVR procedure.