Anatomy of the inferior interatrial route in humans
(2005) In Europace 7. p.49-55- Abstract
- Aims To explore the morphology of the proximal coronary sinus (CS) and the surrounding tissues in order to identify possible routes for interatrial conduction. Method Specimens containing interatrial septum and proximal CS were taken from 21 necropsied hearts and sliced into 10-mu m thick parallel histological sections in 1-mm steps starting from the valve plane, up to the atrial. roof (40-80 sections per heart). The sections were stained with van Gieson's stain. Results Media in the proximal CS consists of smooth muscle cells that do not form a continuous layer. CS was not surrounded by striated atrial myocardium in 10 specimens in which posterior CS wall was covered by epicardial fat only. In seven specimens, striated muscle bundles of... (More)
- Aims To explore the morphology of the proximal coronary sinus (CS) and the surrounding tissues in order to identify possible routes for interatrial conduction. Method Specimens containing interatrial septum and proximal CS were taken from 21 necropsied hearts and sliced into 10-mu m thick parallel histological sections in 1-mm steps starting from the valve plane, up to the atrial. roof (40-80 sections per heart). The sections were stained with van Gieson's stain. Results Media in the proximal CS consists of smooth muscle cells that do not form a continuous layer. CS was not surrounded by striated atrial myocardium in 10 specimens in which posterior CS wall was covered by epicardial fat only. In seven specimens, striated muscle bundles of up to 2-mm width connected the myocardium surrounding the CS with the left atrium. Regardless of their presence, variable posterior and/or anterior interatrial muscular connections were identified in all specimens. Conclusion Variability of the striated atrial. myocardium surrounding proximal CS may affect interatrial conduction. Striated muscular fascicles connecting the proximal CS with the left atrium are not obligatory cardiac structures and may be considered as supplementary to the larger interatrial connections outside the CS. (c) 2005 The European Society of Cardiology. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/224990
- author
- Mitrofanova, L ; Ivanov, V and Platonov, Pyotr LU
- organization
- publishing date
- 2005
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- interatrial conduction, atrial fibrillation, atrial anatomy, sinus, coronary
- in
- Europace
- volume
- 7
- pages
- 49 - 55
- publisher
- Oxford University Press
- external identifiers
-
- wos:000231744700007
- scopus:24344485192
- pmid:16102503
- ISSN
- 1532-2092
- DOI
- 10.1016/j.eupc.2005.03.014
- language
- English
- LU publication?
- yes
- id
- b4ea39e7-5d4d-46e4-8804-92197b768913 (old id 224990)
- date added to LUP
- 2016-04-01 12:06:52
- date last changed
- 2022-04-13 06:16:18
@article{b4ea39e7-5d4d-46e4-8804-92197b768913,
abstract = {{Aims To explore the morphology of the proximal coronary sinus (CS) and the surrounding tissues in order to identify possible routes for interatrial conduction. Method Specimens containing interatrial septum and proximal CS were taken from 21 necropsied hearts and sliced into 10-mu m thick parallel histological sections in 1-mm steps starting from the valve plane, up to the atrial. roof (40-80 sections per heart). The sections were stained with van Gieson's stain. Results Media in the proximal CS consists of smooth muscle cells that do not form a continuous layer. CS was not surrounded by striated atrial myocardium in 10 specimens in which posterior CS wall was covered by epicardial fat only. In seven specimens, striated muscle bundles of up to 2-mm width connected the myocardium surrounding the CS with the left atrium. Regardless of their presence, variable posterior and/or anterior interatrial muscular connections were identified in all specimens. Conclusion Variability of the striated atrial. myocardium surrounding proximal CS may affect interatrial conduction. Striated muscular fascicles connecting the proximal CS with the left atrium are not obligatory cardiac structures and may be considered as supplementary to the larger interatrial connections outside the CS. (c) 2005 The European Society of Cardiology.}},
author = {{Mitrofanova, L and Ivanov, V and Platonov, Pyotr}},
issn = {{1532-2092}},
keywords = {{interatrial conduction; atrial fibrillation; atrial anatomy; sinus; coronary}},
language = {{eng}},
pages = {{49--55}},
publisher = {{Oxford University Press}},
series = {{Europace}},
title = {{Anatomy of the inferior interatrial route in humans}},
url = {{http://dx.doi.org/10.1016/j.eupc.2005.03.014}},
doi = {{10.1016/j.eupc.2005.03.014}},
volume = {{7}},
year = {{2005}},
}