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Date Published: 31/05/2023
Online Published: 31/05/2023
Abstract Views: 10
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DOI: https://doi.org/10.55046/vjrnm.51.688.2023
Issue
No. 51 (2023)
Section
Scientific research
How to Cite
Tran, N. T., Le, T. H. V., & Nguyen, H. X. (2023). Correlation research of 640 slice coronary computed tomography scanning angiography and digital subtraction angiography at Vinmec Da Nang. Vietnamese Journal of Radiology and Nuclear Medicine, 51, 33-45. https://doi.org/10.55046/vjrnm.51.688.2023

Correlation research of 640 slice coronary computed tomography scanning angiography and digital subtraction angiography at Vinmec Da Nang

Nhu Tu Tran1,, Le Thi Hong Vũ2, Nguyen Huu Xuan2
1 
2 Vinmec Hospital Da Nang

Main Article Content

Abstract

Purposes: To descriptive coronary artery  imaging by the 640 slice coronary computed tomography scanning. To determine the value between coronary computed tomography scanning angiography and digital subtraction angiography.


Materials and methods: Describe imaging characteristics and stratify. There are 310 patients with the 640 slice coronary computed tomography scanning Toshiba Aquillion One in the period from 1.1.2019 to 30.8.2021 and among whom 42 cases followed by digital subtraction angiography (DSA).


Results: The average age is 59,5±12,5 years old and male/female about 3/1. HR 68,28±18,67 bpm. Radiation dose < 5 mSV (90%), average dose 3,79±0,96mSv. Calcium score is mostly mild level, distributed all arterial branches. LAD is accounted for the highest percentage of calcification(> 50%) and many narrow position. The most narrow position is proximal location and the most narrow level is mild.


The value table






Value




Se (%)




Sp (%)




Accuracy (%)






LM




100




100




100






LAD




97,5




100




97,6






LCx




90,9




90,0




95,2






RCA




93,3




91,7




92,9






Conclusion:.Coronary computed tomography scanning evaluated anatomy, abnormal orginal position, variant and the narrow of position and level. Digital subtraction angiography has difficultly identifying abnormal variant except myocardial brigde. The values with sensitivity, specificity and accurary of coronary artery stenosis assessement by computed tomography scanning angiography showed high.

Article Details

Keywords

coronary aretry, coronary computed tomography scanning, digital subtraction angiography, coronary artery anatomy, coronary artery variant

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