Abstract
The aortic root is a structure consisting of the lower part of the ascending aorta, sinotubular junction (STJ), annulus, cusps, aortic sinus of Valsalva, and coronary artery ostia. When considering the structure of the aortic root and its surroundings, confirming the structure of (1) the junction of the root of the pulmonary trunk (PT) with the right ventricular outflow tract (RVOT) as a basic concept makes it simpler to understand the precise structure of (2) the junction of the aortic root with the left ventricular outflow tract (LVOT).
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Abbreviations
- AAo:
-
Ascending aorta
- AMFC:
-
Aorto-mitral fibrous continuity
- AML:
-
Anterior mitral leaflet
- AoV:
-
Aortic valve
- APC:
-
Anterior pulmonary cusp
- APM:
-
Anterior papillary muscle
- ATL:
-
Anterior tricuspid leaflet
- AVJ:
-
Aorto-ventricular junction, artero-ventricular junction
- BR:
-
Basal ring
- CS:
-
Coronary sinus
- HB:
-
His bundle
- HBb:
-
Branching portion of His bundle
- HBp:
-
Penetrating portion of His bundle
- IAS:
-
Interatrial septum
- ILT:
-
Interleaflet triangle
- IVFT:
-
Intervalvular fibrous trigone
- IVS:
-
Interventricular septum
- LA:
-
Left atrium
- LAA:
-
Left atrial appendage
- LAD:
-
Left anterior descending coronary artery
- LAFT:
-
Left anterior fibrous trigone
- LAS:
-
Left aortic sinus of Valsalva
- LCAos:
-
Left coronary artery ostium
- LCC:
-
Left coronary cusp of aortic valve
- LCX:
-
Left circumflex coronary artery
- LFT:
-
Left fibrous trigone
- LIPV:
-
Left inferior pulmonary vein
- LMT:
-
Left main trunk
- LV:
-
Left ventricle
- LVAW:
-
Anterior wall of left ventricle
- LVM:
-
Left ventricular muscle
- LVOT:
-
Left ventricular outflow tract
- MS:
-
Membranous septum
- MV:
-
Mitral valve
- NAS:
-
Non-coronary aortic sinus of Valsalva
- NCC:
-
Non-coronary cusp of aortic valve
- PML:
-
Posterior mitral leaflet
- PPC:
-
Posterior pulmonary cusp
- PPM:
-
Posterior papillary muscle
- PS:
-
Pulmonary sinus
- PT:
-
Pulmonary trunk
- PTL:
-
Posterior tricuspid leaflet
- PTS:
-
Pericardial transverse sinus
- PV:
-
Pulmonary valve
- RA:
-
Right atrium
- RAA:
-
Right atrial appendage
- RAFT:
-
Right anterior fibrous trigone
- RAS:
-
Right aortic sinus of Valsalva
- RCA:
-
Right coronary artery of aortic valve
- RCAos:
-
Right coronary artery ostium
- RCC:
-
Right coronary cusp
- RFT:
-
Right fibrous trigone
- RV:
-
Right ventricle
- RVM:
-
Right ventricular muscle
- RVOT:
-
Right ventricular outflow tract
- SMT:
-
Septomarginal trabecula
- SPC:
-
Septal pulmonary cusp
- STJ:
-
Sinotubular junction
- STL:
-
Septal tricuspid leaflet
- SVC:
-
Superior vena cava
- TV:
-
Tricuspid valve
References
Igawa O. Clinical cardiac structurology. Tokyo: Igaku-Shoin; 2011.
Wuliya M, Sleilaty G, Di Centa I, Khelil N, Berrebi A, Czitrom D, et al. An expansible aortic ring to preserve aortic root dynamics after aortic valve repair. Eur J Cardiothorac Surg. 2015;47:482–90.
David TE. Aortic root aneurysms: remodeling or composite replacement? Ann Thorac Surg. 1997;64:1564–8.
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Igawa, O. (2019). Anatomy of the Aortic Valve and its Morphological Characteristics. In: Kunihara, T., Takanashi, S. (eds) Aortic Valve Preservation. Springer, Singapore. https://doi.org/10.1007/978-981-13-2068-2_1
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DOI: https://doi.org/10.1007/978-981-13-2068-2_1
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