Correlation Between CT Obstruction Index (Qanadli Score) With CT Scan Virtual Angioscopy (CTVA) In Pulmonary Embolism

This submission has open access
Submission ID :
GEST2021-70
Submission Type
Submission Topic
Purpose :
Background: Pulmonary embolism is a cardiovascular emergency that requires immediate treatment, therefore it is necessary to have an accurate imaging diagnosis pulmonary embolism to reduce mortality due to pulmonary embolism, one of which is using virtual angioscopy CT scan (CTVA) which uses three-dimensional (3D) surface view volume rendering perspective (pVRT) and need a method to assess the amount of vascular obstruction, the degree of obstruction and the location of the embolism, one of which is the CT obstruction index / Qanadli score.
Objective: To determine the correlation between the CT-obstruction index (Qanadli score) using CTVA with the outcome in pulmonary embolism patients
Materials & Methods :
An analytical observational study with retrospective data and a cross-sectional study design involving 60 research subjects who have been previously proven with pulmonary embolism in the form of secondary data, that is medical record data and DICOM (Digital Imaging and Communications in Medicine) data, then re-evaluated by assessing the Qanadli score using CTVA and the pulmonary artery branch labeling method which has been simplified by two radiology doctors from November 2019 to January 2021
Results :
In 60 research subjects, 32 people died and 28 people lived, by using statistical analysis unpaired t-test on age characteristics with a mean age ranging from 45 ± 15 years having a p value of 0.413 (p value> 0.05), and using the Chi Square test analysis on the gender characteristics consisting of 23 men and 37 women who have a p value of 0.887 (p value> 0.05), and those who have comorbid range are 35 people and 25 people who do not have comorbids has a p value of 0.861 (p value> 0.05).On the Qanadli score with outcomes using the Mann Whitney test p value < 0.001 and the Fisher Exact test with a Qanadli score> 18 died totaling 32 people (84.2%) with a prevalence ratio value of 38.3 (2.5-596.7) and Qanadli Index >40 died totaling 32 people (76,2%) with a prevalence ratio value 28.7 (1.9 – 445.0).
Conclusions :
There was a significant correlation between the Qanadli score and the outcome of pulmonary embolism management using CTVA with a p value of 0.009 (p value < 0.05) with a Prevalent Ratio (RP) value of 38.3 (95% CI PR 2 , 5 - 596,7) which means that patients with pulmonary embolism with a Qanadli score> 18 have a 38.3 times chance of having a death outcome.
Poster Abstract :
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Associated Sessions

Resident Radiology
,
Padjajaran university
Padjajaran university
Padjajaran university
Padjajaran university
Siloam Hospital

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