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Titolo:
Anatomy of the human atrioventricular junctions revisited
Autore:
Anderson, RH; Ho, SY; Becker, AE;
Indirizzi:
Univ Coll, Inst Child Hlth, Cardiac Unit, London WC1N 1EH, England Univ Coll London England WC1N 1EH Cardiac Unit, London WC1N 1EH, England Univ London Imperial Coll Sci Technol & Med, Sch Med, Natl Heart & Lung Inst, London SW3 6L4, England Univ London Imperial Coll Sci Technol & Med London England SW3 6L4 gland Univ Amsterdam, Acad Med Ctr, NL-1105 Amsterdam, Netherlands Univ Amsterdam Amsterdam Netherlands NL-1105 1105 Amsterdam, Netherlands
Titolo Testata:
ANATOMICAL RECORD
fascicolo: 1, volume: 260, anno: 2000,
pagine: 81 - 91
SICI:
0003-276X(20000901)260:1<81:AOTHAJ>2.0.ZU;2-K
Fonte:
ISI
Lingua:
ENG
Soggetto:
CONSENSUS STATEMENT; ATRIAL MUSCULATURE; CLINICAL ANATOMY; CONDUCTION AXIS; TRICUSPID-VALVE; LIVING ANATOMY; RABBIT HEART; RING BUNDLE; ARCHITECTURE; NODE;
Keywords:
atrioventricular node; specialised conduction axis; internodal atrial myocardium; penetrating atrioventricular bundle; bundle of His; triangle of Koch; inferior pyramidal space;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
46
Recensione:
Indirizzi per estratti:
Indirizzo: Anderson, RH Univ Coll, Inst Child Hlth, Cardiac Unit, 30 Guilford St, London WC1N 1EH,England Univ Coll 30 Guilford St London England WC1N 1EH 1EH,England
Citazione:
R.H. Anderson et al., "Anatomy of the human atrioventricular junctions revisited", ANAT REC, 260(1), 2000, pp. 81-91

Abstract

There have been suggestions made recently that our understanding of the atrioventricular junctions of the heart is less than adequate, with claims for several new findings concerning the arrangement of the ordinary working myocardium and the specialised pathways for atrioventricular conduction. In reality, these claims are grossly exaggerated. The structure and architecture of the pathways for conduction between the atrial and ventricular myocardium are exactly as described by Tawara nearly 100 years ago. The recent claims stem from a failure to assess histological findings in the light of criterions established by Monckeberg and Aschoff following a similar controversy in 1910. The atrioventricular junctions are the areas where the atrial myocardium inserts into, and is separated from, the base of the ventricularmass, apart from at the site of penetration of the specialised axis for atrioventricular conduction. There are two such junctions in the normal heart, surrounding the orifices of the mitral and tricuspid valves. The true sept;al area between the junctions is of very limited extent, being formed by the membranous septum. Posterior and inferior to this septal area, the atrial myocardium overlies the crest of the ventricular septum, with the atrialcomponent being demarcated by the landmarks of the triangle of Koch. The adjacent structures, and in particular the so-called inferior pyramidal space, were accurately described by McAlpine (Heart and Coronary Arteries, 1975). Thus, again there is no need for revision of our understanding. The key to unravelling much of the alleged controversy is the recognition that, as indicated by Tawara, the atrioventricular node becomes the atrioventricularbundle at the point where the overall axis for conduction penetrates into the central fibrous body. There are also marked differences in arrangement,also described by Tawara, between the disposition of the conduction axis in man as compared to the dog. Anat Rec 260:81-91, 2000. (C) 2000 Wiley-Liss, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/03/20 alle ore 18:14:56