Experimental cardiac tamponade: correlation of pressure, flow velocity, and echocardiographic changes

1990 ◽  
Vol 69 (3) ◽  
pp. 924-931 ◽  
Author(s):  
M. L. Cohen
Keyword(s):  
Cardiac Tamponade ◽  
Flow Velocity ◽  
Superior Vena Cava ◽  
Superior Vena ◽  
Vena Cava ◽  
Atrial Pressure ◽  
Right Atrial ◽  
Right Atrial Pressure ◽  
Diastolic Flow ◽  
Ventricular Filling

Seven episodes of experimental cardiac tamponade were induced in five anesthetized closed-chest dogs. Simultaneous pericardial and intracavitary pressures were synchronized with superior vena caval and transvalvular pulsed-Doppler flow tracings. The earliest indication of tamponade was the development of a negative transmural right atrial pressure that occurred during early ventricular diastole and was associated with echocardiographic evidence of right atrial collapse. This was also associated with reversal of diastolic flow in the superior vena cava and with diminished early diastolic flow velocity across the tricuspid as well as the mitral valve. During more advanced cardiac tamponade, the transmural right atrial pressure became negative during both early and late ventricular diastole as well as during isovolumic ventricular systole. This was associated with a disappearance of early diastolic ventricular filling and right ventricular diastolic collapse as observed on two-dimensional echocardiography. In hypotensive cardiac tamponade (cardiac output diminished by 70%), the decreased transmural right atrial pressure that developed during ventricular systole was accompanied by diminished antegrade flow in the superior vena cava. In advanced and hypotensive tamponade, ventricular filling occurred mainly during atrial contraction.

Single-Patch Fold-Back Technique for Augmentation of the Superior Vena Cava in Sinus Venosus Atrial Septal Defect Associated with Partial Anomalous Pulmonary Venous Return

2015 ◽  
Vol 17 (6) ◽  
pp. 282
Author(s):  
Suguru Ohira ◽  
Kiyoshi Doi ◽  
Takeshi Nakamura ◽  
Hitoshi Yaku
Keyword(s):  
Atrial Septal Defect ◽  
Superior Vena Cava ◽  
Septal Defect ◽  
Venous Return ◽  
Superior Vena ◽  
Pulmonary Veins ◽  
Vena Cava ◽  
Sinus Venosus ◽  
Right Atrial ◽  
Anomalous Pulmonary Venous Return

Sinus venosus atrial septal defect (ASD) is usually associated with partial anomalous pulmonary venous return (PAPVR) of the right pulmonary veins to the superior vena cava (SVC), or to the SVC-right atrial junction. Standard procedure for repair of this defect is a patch roofing of the sinus venosus ASD and rerouting of pulmonary veins. However, the presence of SVC stenosis is a complication of this technique, and SVC augmentation is necessary in some cases. We present a simple technique for concomitant closure of sinus venosus ASD associated with PAPVR and augmentation of the SVC with a single autologous pericardial patch.

scholarly journals Early T Cell Precursor Leukemia Presenting With Superior Vena Cava Syndrome and Cardiac Tamponade

2020 ◽  
Vol 2 (5) ◽  
pp. 805-809
Author(s):  
Krishna Santosh Vemuri ◽  
Pruthvi C. Revaiah ◽  
Dinakar Bootla ◽  
Rajeev Chauhan ◽  
Krishna Prasad Nevali ◽  
...  
Keyword(s):  
T Cell ◽  
Cardiac Tamponade ◽  
Superior Vena Cava ◽  
Superior Vena Cava Syndrome ◽  
Superior Vena ◽  
Vena Cava ◽  
Cell Precursor ◽  
Vena Cava Syndrome

scholarly journals Isolated Marked Inferior Vena Cava Dilatation: Unusual Presentation or Underrecognized Common Phenomenon?

2018 ◽  
Vol 2018 ◽  
pp. 1-3 ◽  
Author(s):  
Sneha R. Gadi ◽  
Benjamin K. Ruth ◽  
Alan Johnson ◽  
Sula Mazimba ◽  
Younghoon Kwon
Keyword(s):  
Inferior Vena Cava ◽  
Inferior Vena ◽  
Vena Cava ◽  
Unusual Presentation ◽  
Atrial Pressure ◽  
Right Atrial ◽  
Right Atrial Pressure ◽  
Common Phenomenon ◽  
Right Heart

Inferior vena cava (IVC) diameter and respirophasic variation are commonly used echocardiographic indices to estimate right atrial pressure. While dilatation of the IVC and reduced collapsibility have traditionally been associated with elevated right heart filling pressures, the significance of isolated IVC dilatation in the absence of raised filling pressures remains poorly understood. We present a case of an asymptomatic 28-year-old male incidentally found to have IVC dilatation, reduced inspiratory collapse, and normal right heart pressures.

scholarly journals Recurrent cardiac hydatid cyst located near the root of the superior vena cava and the interatrial septum: a case report

2022 ◽  
pp. 1-4
Author(s):  
Redha Lakehal ◽  
Farid Aymer ◽  
Soumaya Bendjaballah ◽  
Rabah Daoud ◽  
Khaled Khacha ◽  
...  
Keyword(s):  
Hydatid Cyst ◽  
Facial Paralysis ◽  
Superior Vena Cava ◽  
Superior Vena ◽  
Vena Cava ◽  
Lower Lobe ◽  
Lateral Wall ◽  
Right Atrial ◽  
Risk Of Rupture ◽  
The Right

Introduction: Cardiac localization of hydatid disease is rare (<3%) even in endemic countries. Affection characterized by a long functional tolerance and a large clinical and paraclinical polymorphism. Serious cardiac hydatitosis because of the risk of rupture requiring urgent surgery. The diagnosis is based on serology and echocardiography. The aim of this work is to show a case of recurrent cardiac hydatid cyst discovered incidentally during a facial paralysis assessment. Methods: We report the observation of a 26-year-old woman operated on in 2012 for pericardial hydatid cyst presenting a cardiac hydatid cyst located near the abutment of the SCV discovered incidentally during an exploration for left facial paralysis: NYHA stage II dyspnea. Chest x-ray: CTI at 0.48. ECG: RSR. Echocardiography: Image of cystic appearance at the level of the abutment of the SVC. SAPP: 38 mmhg, EF: 65%. Thoracic scan: 30/27 mm cardiac hydatid cyst bulging the lateral wall of the right atrium and the trunk of the right pulmonary artery with fissured cardiac hydatid cyst of the apical segment of the right lung of the right lower lobe with multiple bilateral intra parenchymal and sub pleural nodules. The patient was operated on under CPB. Intraoperative exploration: Presence of a hard and whitish mass, about 03 / 03cm developed in the full right atrial wall opposite the entrance to the superior vena cava. Procedure: Resection of the mass removing the roof of the LA, the AIS and the wall of the RA with reconstruction of the roof of the RA by patch in Dacron and reconstruction of the IAS and the wall of the RA by a single patch in Dacron. Results: The postoperative suites were simple. Conclusion: The hydatid cyst is still a real endemic in Algeria, the cardiac location is rare but serious and can constitute a real surgical emergency, hence the importance of prevention. Keywords: Hydatid cyst of the heart; Recurrence; Surgery; Cardiopulmonary Bypass; Prevention

Superior vena cava stenosis presenting with bendopnea

2021 ◽  
Vol 14 (4) ◽  
pp. e242418
Author(s):  
Mozhu Li ◽  
Seth Toomay ◽  
Mark H Drazner ◽  
Jennifer T Thibodeau
Keyword(s):  
Heart Failure ◽  
Differential Diagnosis ◽  
Superior Vena Cava ◽  
Superior Vena ◽  
Vena Cava ◽  
Ventricular Filling ◽  
Vena Cava Stenosis ◽  
Superior Vena Cava Stenosis

Bendopnea, or dyspnoea with bending forward, is a recently described symptom of heart failure that is associated with elevated ventricular filling pressures. Here, we describe a case of superior vena cava (SVC) stenosis that presented with bendopnea and resolved with SVC recanalisation. We suggest that SVC stenosis be considered in the differential diagnosis of patients who experience bendopnea.

Good Predictor of Right Atrial Pressure in the Inferior Vena Cava Parameters by 2-Dimensional Echocardiogrphy

2017 ◽  
Vol 23 (10) ◽  
pp. S39
Author(s):  
Akiko Idemoto ◽  
Haruhiko Abe ◽  
Kaori Yasumura ◽  
Hiroki Nishida ◽  
Taishi Kato ◽  
...  
Keyword(s):  
Inferior Vena Cava ◽  
Good Predictor ◽  
Inferior Vena ◽  
Vena Cava ◽  
Atrial Pressure ◽  
Right Atrial ◽  
Right Atrial Pressure
Sign in / Sign up

Export Citation Format

Share Document