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Doctor insights on: Asd Sinus Venosus

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How do I know if my childs sinus venosus asd will close by itself?

How do I know if my childs sinus venosus asd will close by itself?

It won't: If relevant (based on size of the right heart) your child needs surgery after the first year of life. In rare cases we have succeeded in closing sinus venosus defects in the cath lab if there are no associated pulmonary vein anomalies. ...Read more

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Dr. Sewa Legha
3 doctors shared insights

Sinus (Definition)

In anatomy, a sinus is a cavity within a bone or other tissue. Most commonly found in the bones of the face and connecting with the nasal cavities. Sinus (anatomy), description of the general term paranasal sinuses, air cavities in the cranial bones, especially those near the nose, including: the maxillary sinuses, also called the maxillary antra and the largest of the ...Read more


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When is surgery needed on infants with small sinus venosus asd?

When is surgery needed on infants with small sinus venosus asd?

Pulmonary veins: Sinus venosus defects are often associated with abnormal drainage of pulmonary veins. If the right heart is enlarged on echo therapy is indicated. ...Read more

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Would a sinus venosus asd be unlikely with normal echo and EKG results, no symptoms?I have a faint systolic murmur told innocent. No split s2 (racepinephrine). Thanks.

Would a sinus venosus asd be unlikely with normal echo and EKG results, no symptoms?I have a faint systolic murmur told innocent. No split s2 (racepinephrine). Thanks.

Unlikey: I'm glad you've read up on this. Sinus venosus asd's are rare to begin with and i'd be surprised if ultrasound missed it. Any suspicion does require a consult -- what were you told? ...Read more

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Clarification.Specifically sinus venosus type asds more likely to be missed on echo. I was wondering of it would at least show signals.

Clarification.Specifically sinus venosus type asds more likely to be missed on echo. I was wondering of it would at least show signals.

Difficult sometimes: Due to the particular location, sinus venous atrial septal defect is frequently difficult to see on transthoracic echocardiography, and may require transesophageal echocardiography to see and characterize. ...Read more

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What is the purpose of the sinus venosus?

What is the purpose of the sinus venosus?

Embryo: This is a transient anatomic structure that occurs during cardiac development. A form of atrial septal defect (10% of ASD) can involve imperfect maturation of the heart with pathologic communication between the right atrium (collector of deoxygenated blood from the body, vena cavae and pulmonary veins usually resulting in L to R shunt (oxygenated blood diverts to R side of heart). ...Read more

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Can the sinus venuses type of asd affect a person again after its closure?

Can the sinus venuses type of asd affect a person again after its closure?

Follow up: After sinus venosus repair continous cardiac follow up is needed. Although rare there is a risk for an injury to the sinus node (the pacemaker of the heart) if a superior sinus venosus is repaired. Most patients will have associated anomalous drainage of pulmonary veins witch will be adressed at the time of surgery but has to be followed up for . Also other forms of rhythm problems may occur. ...Read more

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Are most atrial septal defects found at birth or early child hood? Rare not to be discovered until adulthood? Sinus venosus specifically?

Are most atrial septal defects found at birth or early child hood? Rare not to be discovered until adulthood? Sinus venosus specifically?

Yes and no: Most individuals with a significant ASD are diagnosed in utero or in early childhood with echocardiography or auscultation of the heart sounds during physical examination, sinus venosus ASD account for only 10% of asd's, symptoms depend on the size of the shunt, it is not uncommon for ASD to be diagnosed in adulthood when symptoms develop or chest xray/ekg incidentally found to be abnormal. ...Read more

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My son has a sinus venous asd is it something that has to have heart surgery or its only in some cases not every cases?

Surgery only: Sinus venosus ASD will not close on its own. The lung drainage is involved in the ASD and this requires a baffle inside the heart. Sometimes a "warden operation" is performed. The long term outcome is excellent and the recovery is 2 days to 1 week in hospital then 1-2 weeks at home. Cedar sinai, ucla, usc all have excellent children heart surgery. Life long follow up is recommended. ...Read more

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