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320-multidetector cardiac computed tomography in the evaluation of conotruncal anomalies

Session Computed Tomography ePosters

Event : ESC Congress 2020

  • Topic : imaging
  • Sub-topic : CT Imaging of Structural Heart Disease
  • Session type : ePosters

Authors : R Elnagar (Tanta,EG), U Ghieda (Tanta,EG), A Ibrahim (Cairo,EG), M Dawoud (Tanta,EG)

Authors:
R Elnagar1 , U Ghieda1 , A Ibrahim2 , M Dawoud1 , 1Tanta University, Radiology - Tanta - Egypt , 2Ain Shams University, Radiology - Cairo - Egypt ,

Citation:

Background: 
Multi-detector computed tomography (MDCT) has become an effective tool in the assessment of congenital heart disease in infants and children.

Purpose: 
To evaluate the role of 320-row MDCT in the assessment of conotruncal anomalies and compare it with echocardiography (echo) considering the operative and/or catheter findings as the gold standard.

Methods:
The studied group included 50 patients having conotruncal anomalies. All patients were evaluated with 320-row MDCT angiography. Sensitivity, specificity, accuracy, positive predictive value (PPV) and negative predictive value (NPV) of MDCT and echo were calculated. The patient effective dose was reported.

Results:
The overall sensitivity, specificity, accuracy, PPV and NPV for MDCT angiography in assessment of various abnormalities in patients with conotruncal anomalies were 98.97%, 100%, 99.75%, 100%  and 99.67% for MDCT angiography. Sensitivity, specificity, PPV and NPV of MDCT angiography were 97.87%, 100%, 100% and 99.04% and 99.49%, 100%, 100% &99.86% for the detection of intracardiac defects and extracardiac vascular anomalies respectively. The mean absorbed radiation dose was 63.63 mGy-Cm per scan and the mean effective dose was 1.56±0.47 mSv.

Conclusion:
320-MDCT angiography offers an excellent diagnostic procedure in the preoperative evaluation of the complex anatomy of the conotruncal anomalies.

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