Anatomy and Topography of Coronary Sinus and Mitral Valve Annulus in Functional Mitral Regurgitation.
CT-angiography
coronary sinus
functional mitral valve regurgitation
indirect mitral valve annuloplasty
mitral valve annulus
Journal
Frontiers in cardiovascular medicine
ISSN: 2297-055X
Titre abrégé: Front Cardiovasc Med
Pays: Switzerland
ID NLM: 101653388
Informations de publication
Date de publication:
2022
2022
Historique:
received:
02
02
2022
accepted:
14
03
2022
entrez:
9
5
2022
pubmed:
10
5
2022
medline:
10
5
2022
Statut:
epublish
Résumé
We aimed to investigate the anatomical relationship of the coronary sinus (CS) and the mitral valve annulus (MVA) in patients with or without functional mitral regurgitation (FMR) using a multislice CT (MSCT) software to determine (a) the distance and angle of both CS and MVA plane and (b) the mitral annulus geometry. A total of 215 patients with MSCT and CS to MVA topography evaluation were enrolled in this retrospective study. This patient cohort included 145 patients without FMR (67.4%, FMR ≤ 1+) and 70 patients (32.6%) with clinically relevant FMR (FMR ≥ 2+). Distance and angulation of CS to MVA planes were highly variable. In all groups, no significant correlation was documented between the distance or angle of CS to MVA planes and left ventricular ejection fraction, left ventricular end-diastolic diameter, or left atrial volume. A significant increase in total CS length could be found in patients with FMR ≥ 2+ compared to the FMR ≤ 1+ group. MVA diameter, area, and perimeter were significantly increased in FMR ≥ 2+ compared to FMR ≤ 1+. In the FMR ≥ 2+ cohort 61% showed a distance of CS to MVA plane <7.8 mm and 58% revealed an angle of CS to MVA plane <14.2°. Distance and angulation of CS to MVA topography using an MSCT approach are similar between patients with or without FMR, while CS length, MVA area, MVA perimeter, anterior-posterior diameter, and intercommissural diameter are significantly increased in all FMR subgroups. However, ~60% of FMR ≥ 2+ patients showed favorable CS to MVA topography for indirect mitral annuloplasty.
Sections du résumé
Background
UNASSIGNED
We aimed to investigate the anatomical relationship of the coronary sinus (CS) and the mitral valve annulus (MVA) in patients with or without functional mitral regurgitation (FMR) using a multislice CT (MSCT) software to determine (a) the distance and angle of both CS and MVA plane and (b) the mitral annulus geometry.
Methods
UNASSIGNED
A total of 215 patients with MSCT and CS to MVA topography evaluation were enrolled in this retrospective study.
Results
UNASSIGNED
This patient cohort included 145 patients without FMR (67.4%, FMR ≤ 1+) and 70 patients (32.6%) with clinically relevant FMR (FMR ≥ 2+). Distance and angulation of CS to MVA planes were highly variable. In all groups, no significant correlation was documented between the distance or angle of CS to MVA planes and left ventricular ejection fraction, left ventricular end-diastolic diameter, or left atrial volume. A significant increase in total CS length could be found in patients with FMR ≥ 2+ compared to the FMR ≤ 1+ group. MVA diameter, area, and perimeter were significantly increased in FMR ≥ 2+ compared to FMR ≤ 1+. In the FMR ≥ 2+ cohort 61% showed a distance of CS to MVA plane <7.8 mm and 58% revealed an angle of CS to MVA plane <14.2°.
Conclusion
UNASSIGNED
Distance and angulation of CS to MVA topography using an MSCT approach are similar between patients with or without FMR, while CS length, MVA area, MVA perimeter, anterior-posterior diameter, and intercommissural diameter are significantly increased in all FMR subgroups. However, ~60% of FMR ≥ 2+ patients showed favorable CS to MVA topography for indirect mitral annuloplasty.
Identifiants
pubmed: 35528836
doi: 10.3389/fcvm.2022.868562
pmc: PMC9072628
doi:
Types de publication
Journal Article
Langues
eng
Pagination
868562Informations de copyright
Copyright © 2022 Rottländer, Saal, Ögütcü, Degen and Haude.
Déclaration de conflit d'intérêts
HD is a consultant for Biotronik and Cardiac Dimensions. MH is a consultant for Biotronik, Orbus Neich, Robocath and Cardiac Dimensions. He received institutional grants and lecture fees from Biotronik, Cardiac Dimensions, Orbus Neich, SMT and Philips. The remaining authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
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