Coronary-to-bronchial artery fistula: demonstration by 64-multidetector computed tomography with retrospective
Seung Tae Lee1, Su Young Kim, Gham Hur
1Department of Radiology, Ilsan Paik Hospital, Inje University School of Medicine, GoYang-Si, KyungGi-Do, Korea.
Insights
The incidence of coronary-to-bronchial artery fistula (CBF) was 0.61% in 1310 patients. 64-multidetector computed tomography (MDCT) coronary angiography accurately detected these fistulas, proving to be a valuable noninvasive diagnostic tool.
Area of Science:
- Cardiovascular Imaging
- Thoracic Radiology
- Interventional Cardiology
Background:
- Coronary-to-bronchial artery fistula (CBF) is a rare condition.
- Accurate diagnosis is crucial for appropriate management.
Purpose of the Study:
- To determine the incidence of CBF in patients undergoing coronary MDCT angiography.
- To assess the clinical significance and diagnostic accuracy of 64-MDCT for CBF detection.
Main Methods:
- Retrospective analysis of 1310 patients who underwent 64-multidetector computed tomography (MDCT) coronary angiography.
- Image review using volume-rendering and multiplanar reconstruction.
- Comparison with subsequent cineangiography findings.
Main Results:
- Eight cases of CBF were identified (0.61% incidence).
- Fistulas originated from the left circumflex (6 cases) and right coronary arteries (2 cases).
- MDCT findings correlated precisely with cineangiography.
Conclusions:
- The incidence of CBF is comparable to previous cineangiographic studies.
- 64-MDCT coronary angiography is an accurate and noninvasive method for diagnosing CBF.
- MDCT provides detailed anatomical information for potential interventions.
Objective:
The aim of this study was to evaluate the incidence of coronary-to-bronchial artery fistula (CBF) and clinical significance in 1300 patients examined with 64-multidetector computed tomography (MDCT) coronary angiography.
Methods:
One thousand three hundred ten patients underwent coronary MDCT for atypical chest pain or screening. Volume-rendering and multiplanar reconstruction images were reviewed, and subsequent cineangiographies were compared.
Results:
Eight cases of CBF were detected-6 originated from the left circumflex artery, and 2 originated from the right coronary artery. A hypertrophied anomalous branch of left circumflex artery was observed in 1 case, and underlying bronchiectasis was noted. Seven cases had a thin-wall communicating vessel. Subsequent cineangiography revealed identical appearance with MDCT reconstruction images.
Conclusions:
The incidence of CBF (0.61%) in this study is similar to those of a few cineangiographic studies in the literature. Our study showed that 64-MDCT coronary angiography is an accurate and noninvasive tool for detection of CBF.
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