Total anomalous systemic
venous drainage to the left
atrium
A Sharp eye on left atrial isomerism is must
Introduction
Classification TASVD
Type I Type II Type III
IVC to left-sided atrium IVC interruption IVC to accessory chamber (like
coro...
Zhang ZW, Duan QJ, Gao Z, Ru W, Ying LY. Total anomalous
systemic venous drainage to the left atrium. Ann Thorac Surg
2009...
Embryology
• Failure of regression of the right valve of systemic venous sinus (sinus
venosus)
• Systemic venous sinus bei...
Hemodynamic
• Left atrium forms the mixing chamber in the circuit
• Similar to the case of a total anomalous pulmonary ven...
Diagnosis
• Echocardiography with agitated saline contrast follow up(caution :air
embolism to brain and coronary)
• CT sca...
Treatment
• Surgery
Think before you choose
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Total anomalous systemic venous drainage

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http://www.annalspc.com/article.asp?issn=0974-2069;year=2014;volume=7;issue=2;spage=98;epage=102;aulast=Awasthy

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Total anomalous systemic venous drainage

  1. 1. Total anomalous systemic venous drainage to the left atrium A Sharp eye on left atrial isomerism is must
  2. 2. Introduction
  3. 3. Classification TASVD Type I Type II Type III IVC to left-sided atrium IVC interruption IVC to accessory chamber (like coronary sinus)  Type A: Hepatic veins to left- sided atrium  Type B: Hepatic veins to other site
  4. 4. Zhang ZW, Duan QJ, Gao Z, Ru W, Ying LY. Total anomalous systemic venous drainage to the left atrium. Ann Thorac Surg 2009;87:1599-601-13
  5. 5. Embryology • Failure of regression of the right valve of systemic venous sinus (sinus venosus) • Systemic venous sinus being incorporated into the left atrium
  6. 6. Hemodynamic • Left atrium forms the mixing chamber in the circuit • Similar to the case of a total anomalous pulmonary venous drainage • Oxygen saturation is equal in all the chambers
  7. 7. Diagnosis • Echocardiography with agitated saline contrast follow up(caution :air embolism to brain and coronary) • CT scan helps confirm drainage of all veins
  8. 8. Treatment • Surgery
  9. 9. Think before you choose

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