Prenatal examination of the area and morphology of the atrioventricular valves using four-dimensional ultrasound in normal and abnormal hearts

2015 ◽  
Vol 35 (8) ◽  
pp. 741-747 ◽  
Author(s):  
B. M. E. Adriaanse ◽  
L. B. Uittenbogaard ◽  
C. H. N. Tromp ◽  
S. S. Schaefer ◽  
M. W. Heymans ◽  
...  
Keyword(s):  
Atrioventricular Valves ◽  
Prenatal Examination

Straddling and overriding atrioventricular valves: Morphology and classification

1979 ◽  
Vol 44 (6) ◽  
pp. 1122-1134 ◽  
Author(s):  
Simcha Milo ◽  
Siew Yen Ho ◽  
Fergus J. Macartney ◽  
James L. Wilkinson ◽  
Anton E. Becker ◽  
...  
Keyword(s):  
Atrioventricular Valves

Fetal echocardiographic features of twisted atrioventricular connections

2000 ◽  
Vol 10 (4) ◽  
pp. 409-412 ◽  
Author(s):  
Mustafa Abdullah ◽  
Shi-Joon Yoo ◽  
Lisa Hornberger
Keyword(s):  
Spatial Relationship ◽  
Fetal Life ◽  
Atrioventricular Valves ◽  
The Given ◽  
Corrected Transposition

AbstractWe present an example of corrected transposition with twisted discordant atrioventricular connections in which both fetal and postanatal echocardiograms were obtained. We correlate the fetal echocardiograms with the postanatal echocardiograms, placing emphasis on the echocardiographic clues to the diagnosis which were present in fetal life. The diagnosis should be suspected when the cardiac chambers and greatarteries show an unexpected spatial relationship for the given segmental connections, and when the axes of opening of the atrioventricular valves are not parallel.

scholarly journals The spectrum of double-outlet right atrium including hearts with three atrioventricular valves

2011 ◽  
Vol 41 (4) ◽  
pp. 947-949 ◽  
Author(s):  
F. Edwin ◽  
R. H. Kinsley ◽  
H. M. Mamorare ◽  
K. Govendrageloo
Keyword(s):  
Right Atrium ◽  
Atrioventricular Valves

scholarly journals A comparative study of the morphology of mammalian true chordae tendineae of the atrioventricular valves

2015 ◽  
Vol 32 (02) ◽  
pp. 071-077 ◽  
Author(s):  
J. Hutchison ◽  
P. Rea
Keyword(s):  
Tricuspid Valve ◽  
Papillary Muscle ◽  
Papillary Muscles ◽  
Atrioventricular Valve ◽  
Chordae Tendineae ◽  
Atrioventricular Valves ◽  
Abrupt Transition ◽  
Significant Difference ◽  
Cardiac Valve Replacement ◽  
Transition Areas

Abstract Introduction: There is little literature on the subvalvular apparatus of the atrioventricular valves' of the heart. This investigation aimed to compare mammalian atrioventricular valve subvalvular apparatus; in particular the number and characteristics of true chordae tendineae (TChT) and their tissue transition areas - proximally with the valve leaflets, and distally with the papillary muscles. Materials and Methods: Sheep, pig and bovine fresh hearts were dissected (n = 9). The subvalvular apparatus of the mitral and tricuspid valves were visualised. Each TChT origin was grouped and counted according to papillary muscle and valve, and compared within and across the species. Appropriate statistical analyses were then applied to identify any correlations. Histological examination of the transition areas was also performed. Results: The tricuspid valve had significantly more TChT than the mitral (p = 0.04). On comparison of the TChT counts in both valves across the species, there were no signiicant differences. An unexpected inding was the abrupt transition from chordae collagen to papillary muscle. Conclusion: The tricuspid valve is under less pressure than the mitral but is connected to significantly more TChT. We have shown no significant difference between the numbers of TChT for each papillary muscle in either mitral or tricupsid valves across the species. Veterinary teaching emphasises that there is no clinically signiicant difference at a gross morphology level between these species. This is the irst study to report that there is also no signiicant difference at the subvalvular level, and this has direct translational relevance for bioprosthetic cardiac valve replacement.

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