Dynamic Three-Dimensional Geometry of the Aortic Valve Apparatus-A Feasibility Study

Autor: Robina Matyal, Eitezaz Mahmood, Maria Saraf, Yannis Amador, Ting Hai, Massimo A. Mariani, Feroze Mahmood, Jelliffe Jeganathan, Kamal R. Khabbaz, Arash Khamooshian
Přispěvatelé: Cardiovascular Centre (CVC)
Jazyk: angličtina
Rok vydání: 2017
Předmět:
Male
Aortic valve
medicine.medical_specialty
aortic valve assessment
PERIOPERATIVE ECHOCARDIOGRAPHER
030204 cardiovascular system & hematology
Prosthesis Design
valvular analysis
Three dimensional geometry
automated analysis
Perimeter
03 medical and health sciences
Imaging
Three-Dimensional
0302 clinical medicine
Internal medicine
dynamic assessment
Humans
Medicine
COMPUTED-TOMOGRAPHY
ANNULUS
Coronary Artery Bypass
Aged
Retrospective Studies
Cardiac cycle
business.industry
Sinotubular Junction
Ultrasound
Aortic Valve Stenosis
aortic valve
Cardiac surgery
ERA
Anesthesiology and Pain Medicine
medicine.anatomical_structure
030228 respiratory system
Heart Valve Prosthesis
eSie valve software
Cardiology
cardiovascular system
Feasibility Studies
Female
University teaching
ROOT DIMENSION CHANGES
Cardiology and Cardiovascular Medicine
business
Echocardiography
Transesophageal
Zdroj: Journal of cardiothoracic and vascular anesthesia, 31(4), 1290-1300. W B SAUNDERS CO-ELSEVIER INC
ISSN: 1053-0770
Popis: OBJECTIVE: To provide (1) an overview of the aortic valve (AV) apparatus anatomy and nomenclature, and (2) data regarding the normal AV apparatus geometry and dynamism during the cardiac cycle obtained from three-dimensional transesophageal echocardiography (3D TEE).DESIGN: Retrospective feasibility study.SETTING: A single-center university teaching hospital.PARTICIPANTS: The study was performed on data of 10 patients with a nonregurgitant, nonstenotic aortic valve undergoing cardiac surgery.INTERVENTIONS: Intraoperative 3D TEE was performed on all the participants using the Siemens ACUSON SC2000 ultrasound system and Z6Ms transducer (Siemens Medical Systems, Mountainview, CA).MEASUREMENTS AND MAIN RESULTS: Dynamic offline analyses were performed with Siemens eSie valve analytical software in a semiautomated fashion. Forty-five parameters were exported of which 13 were selected and analyzed. The cardiac cycle was divided into 4 quartiles to account for frame-rate variations. The annulus, sinus of Valsalva (SoV) and sinotubular junction (STJ) areas, diameter, perimeter and height, aortic leaflet height, leaflet coaptation height, and aortic valve-mitral valve angle changed significantly during the cardiac cycle (p < 0.001). STJ expanded more than both the annulus and the SoV (p < 0.001). The maximum aortic valve leaflet height change was greater in the left and right versus noncoronary leaflet (p < 0.001).CONCLUSIONS: The semiautomated AV apparatus dynamic assessment using eSie valve software is a clinically feasible technique and can be performed readily in the operating room. It has the potential to significantly impact intraoperative decision-making in cases suitable for AV repair. The AV apparatus is a dynamic structure and demonstrates significant changes during the cardiac cycle.
Databáze: OpenAIRE
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