scholarly journals Floppy interatrial septum mimicking an ASD : The role of left atrial pressure

2021 ◽  
Vol 4 (4) ◽  
Author(s):  
Veronika Zach ◽  
Elisabeth Pieske‐Kraigher ◽  
Burkert Pieske ◽  
Matthias Schneider
Keyword(s):  
Left Atrial ◽  
Interatrial Septum ◽  
Atrial Pressure ◽  
Left Atrial Pressure

Turbulent left-to-right shunt flow through the interatrial septum suggesting high left atrial pressure in patients with heart failure with preserved ejection fraction

2010 ◽  
Vol 9 (3) ◽  
pp. 109-111
Author(s):  
Kayo Hayato ◽  
Yoshihisa Matsumura ◽  
Yasumasa Kawada ◽  
Yuichi Baba ◽  
Katsutoshi Tanioka ◽  
...  
Keyword(s):  
Heart Failure ◽  
Ejection Fraction ◽  
Left Atrial ◽  
Interatrial Septum ◽  
Atrial Pressure ◽  
Left Atrial Pressure ◽  
Preserved Ejection Fraction ◽  
Shunt Flow ◽  
Patients With Heart Failure ◽  
Flow Through

The Role of Doppler Echocardiography in Predicting Left Atrial Pressure During Rest and Exercise

2013 ◽  
Vol 29 (10) ◽  
pp. S120
Author(s):  
A Chelvanathan ◽  
S Wright ◽  
T Gray ◽  
S Esfandiari ◽  
F Fuchs ◽  
...  
Keyword(s):  
Doppler Echocardiography ◽  
Left Atrial ◽  
Atrial Pressure ◽  
Left Atrial Pressure ◽  
Rest And Exercise

Increased left atrial pressure does not alter renal function in the conscious primate

1982 ◽  
Vol 243 (1) ◽  
pp. R119-R124
Author(s):  
K. G. Cornish ◽  
J. P. Gilmore
Keyword(s):  
Blood Volume ◽  
Nonhuman Primate ◽  
Left Atrial ◽  
Macaca Fascicularis ◽  
Atrial Pressure ◽  
Left Atrial Pressure ◽  
Blood Volume Expansion ◽  
Stretch Receptors ◽  
Renal Responses

To study the functional role of the atriorenal reflex in the nonhuman primate, we chronically instrumented six Macaca fascicularis with left atrial snares and left atrial and aortic catheters. After inserting a bladder catheter, we determined hemodynamic and renal responses of the conscious chair-restrained monkey to increased left atrial pressure. In 23 snare experiments, no significant changes in renal or cardiovascular function were observed even though left atrial pressure increased from 6.5 +/- 3.3 to 16.2 +/- 3.4 mmHg. The animals were subjected also to blood volume expansion with isoncotic isotonic dextran solutions (+15% of calculated blood volume). They responded normally to this volume stimulus. Conscious dogs prepared in the same manner as the nonhuman primate exhibited diuresis in response to elevations of atrial pressure. We conclude that left atrial stretch receptors are not importantly involved in volume homeostasis in the nonhuman primate.

The important role of left ventricular relaxation and left atrial pressure in the left ventricular filling velocity profile

1989 ◽  
Vol 118 (5) ◽  
pp. 954-962 ◽  
Author(s):  
Shigehito Takagi ◽  
Mitsuhiro Yokota ◽  
Masatsugu Iwase ◽  
Junshi Yoshida ◽  
Hiroshi Hayashi ◽  
...  
Keyword(s):  
Velocity Profile ◽  
Left Atrial ◽  
Left Ventricular ◽  
Left Ventricular Filling ◽  
Atrial Pressure ◽  
Left Atrial Pressure ◽  
Left Ventricular Relaxation ◽  
Ventricular Relaxation ◽  
Ventricular Filling

Role of the papillary muscle in opening and closure of the mitral valve

1980 ◽  
Vol 238 (3) ◽  
pp. H348-H354 ◽  
Author(s):  
M. Marzilli ◽  
H. N. Sabbah ◽  
T. Lee ◽  
P. D. Stein
Keyword(s):  
Mitral Valve ◽  
Papillary Muscle ◽  
Left Atrial ◽  
Left Ventricular ◽  
Atrial Pressure ◽  
Left Atrial Pressure ◽  
Dimensional Changes ◽  
Opening And Closing ◽  
Isovolumic Relaxation

Dimensional changes of the left ventricular anterolateral papillary muscle of six open-chest dogs were measured continuously throughout the cardiac cycle in order to evaluate the role of the papillary muscle in opening and closing of the mitral valve. Dimensional changes were measured with ultrasonic dimension gauges. Maximal shortening and maximal elongation of the papillary muscle followed maximal shortening and elongation of a segment of the free wall of the left ventricle by 65 +/- 6 (SE) ms. Maximal elongation of the papillary muscle occurred 25 +/- 2 ms after the onset of ejection. Maximal shortening of the papillary muscle occurred 68 +/- 5 ms after the aortic incisura and 10 +/- 2 ms after the crossover of left ventricular and left atrial pressure. The papillary muscle shortened 14 +/- 4%. The percentage of papillary muscle shortening that occurred after the aortic incisura was 39 +/- 7%, and the percentage of shortening that occurred after the crossover of left ventricular and left atrial pressure was 3 +/- 1%. The observed shortening of the papillary muscle throughout left ventricular isovolumic relaxation suggests that the papillary muscle may have a role in opening the mitral valve. Conversely, elongation of the papillary muscle in the late portion of diastole appears necessary to permit proper closure of the mitral valve leaflets.

scholarly journals LEFT ATRIAL PRESSURE CORRELATION WITH PERSISTENT IATROGENIC ATRIAL SEPTAL DEFECT AFTER MITRACLIP IMPLANTATION

2021 ◽  
Vol 77 (18) ◽  
pp. 1200
Author(s):  
Prince Sethi ◽  
Nikhil Parimi ◽  
Prakash Acharya ◽  
Amandeep Goyal ◽  
Emmanuel Daon ◽  
...  
Keyword(s):  
Atrial Septal Defect ◽  
Left Atrial ◽  
Septal Defect ◽  
Atrial Pressure ◽  
Left Atrial Pressure ◽  
Iatrogenic Atrial Septal Defect

scholarly journals The Effect of Furosemide on Left Atrial Pressure in Dogs with Mitral Valve Regurgitation

2011 ◽  
Vol 25 (2) ◽  
pp. 244-250 ◽  
Author(s):  
S. Suzuki ◽  
T. Ishikawa ◽  
L. Hamabe ◽  
D. Aytemiz ◽  
H. Huai-Che ◽  
...  
Keyword(s):  
Mitral Valve ◽  
Left Atrial ◽  
Mitral Valve Regurgitation ◽  
Atrial Pressure ◽  
Left Atrial Pressure ◽  
Valve Regurgitation

Relationship of Pulmonary Venous Flow Pattern to Mean Left Atrial Pressure and Phasic Pressure Change

Cardiology ◽  
1996 ◽  
Vol 87 (3) ◽  
pp. 224-229 ◽  
Author(s):  
Jer-Min Lin ◽  
Yi-Heng Li ◽  
Kwan-Lih Hsu ◽  
Juey-Jen Hwang ◽  
Yung-Zu Tseng
Keyword(s):  
Flow Pattern ◽  
Left Atrial ◽  
Pressure Change ◽  
Atrial Pressure ◽  
Left Atrial Pressure ◽  
Venous Flow ◽  
Pulmonary Venous Flow ◽  
Relationship Of
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