Atrial septal defect sinus venosus

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Atrial Septal Defect Microchapters

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Patient Information

Overview

Anatomy

Classification

Ostium Secundum Atrial Septal Defect
Ostium Primum Atrial Septal Defect
Sinus Venosus Atrial Septal Defect
Coronary Sinus
Patent Foramen Ovale
Common or Single Atrium

Pathophysiology

Epidemiology and Demographics

Risk Factors

Natural History and Prognosis

Complications

Diagnosis

History and Symptoms

Physical Examination

Electrocardiogram

Chest X Ray

CT

MRI

Echocardiography

Transesophageal Echocardiography
Transthoracic Echocardiography
Contrast Echocardiography
M-Mode
Doppler

Transcranial Doppler Ultrasound

Cardiac Catheterization

Exercise Testing

ACC/AHA Guidelines for Evaluation of Unoperated Patients

Treatment

Medical Therapy

Surgery

Indications for Surgical Repair
Surgical Closure
Minimally Invasive Repair


Robotic ASD Repair
Percutaneous Closure
Post-Surgical Follow Up

Special Scenarios

Pregnancy
Diving and Decompression Sickness
Paradoxical Emboli
Pulmonary Hypertension
Eisenmenger's Syndrome
Atmospheric Pressure

Case Studies

Case #1

Atrial septal defect sinus venosus On the Web

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Priyamvada Singh, M.B.B.S. [2]; Cafer Zorkun, M.D., Ph.D. [3] Assistant Editor(s)-In-Chief: Kristin Feeney, B.S. [4]

Overview

During fetal development, the septal wall may fail to fuse causing an atrial septal defect to arise. A sinus venosus atrial septal defect is one such type of malformation arising from the irregular development of the septum and the superior vena cava or the inferior vena cava.

Anatomy

Echocardiography

Medical Therapy

Indications for Surgical Repair

Surgical Closure

1) Sinus venosus ASD is commonly found to be associated with partial anomalous pulmonary venous return.

2) In presence of partial anomalous pulmonary venous return (pulmonary veins draining into the right atrium instead of the left atrium), atrial septal defect should be corrected by placement of patch over the defect. In larger defects, it is essential to ensure the usage of a synthetic patch to be placed strategically, to allow anomalous pulmonary venous drainage, to be diverted to the left atrium.

3) In this case, anomalous pulmonary venous drainage must be carefully monitored and assessed as compromise of pulmonary venous return due to redirection could lead to pulmonary venous hypertension

Prognosis

1) Good post-surgical prognosis irrespective of the patient's age at surgery.

2) Surgery for sinus venosus ASD is complex compared to other atrial septal defect and can cause stenosis of the superior vena cava or pulmonary veins, residual shunting and SA node dysfunction.

References


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