Background: Coronary artery ectasia (CAE) is an angiographic definition of coronary artery pathology in which the diameter of the ectatic segment measures more than 1.5 times the diameter of an adjacent healthy reference segment. No previous study has reported on the use of 3D-STE for assessing the left ventricular (LV) functions in patients with isolated CAE. As a result of this, we aimed to evaluate the effects of isolated CAE on LV functions using 3D-STE in the present study.
Methods: Ninety-one patients with isolated CAE and 90 controls who proved to have normal coronary angiograms were enrolled to the study. 3D-STE was performed and GLS, GCS, GAS, and GRS were obtained for every subject after coronary angiography.
Results: The mean age of the patients was 61.75 ± 10.02 years, and 71.8% were male. GLS, GCS, GAS, and GRS were significantly depressed in the isolated CAE group than in the control group (P < .001; P < .001; P = .001; and P = .001, respectively). ROC analyses were performed to find out the ideal strain cut off values to predict the presence of isolated CAE. A GLS value of >-16 has 92.1 % sensitivity, 88.5 % specificity; and a GCS value of >-20 has 86.7 % sensitivity, 89.2 % specificity to detect the presence of isolated CAE.
Conclusion: Isolated CAE has a considerable negative effect on LV functions as evaluated by 3D-strain parameters, and 3D-STE could be an effective method to detect early stage myocardial impairment in patients with isolated CAE.
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Article Synopsis
- Coronary artery ectasia (CAE) is a condition involving the dilation of coronary arteries, often without symptoms, and its causes are not well understood.
- A study analyzed 679 patients who underwent coronary angiography, finding that 38.3% were diagnosed with CAE, and those with CAE had higher remnant cholesterol (RC) levels.
- The research concluded that higher RC levels are significantly associated with an increased risk of CAE, suggesting that monitoring RC could aid in understanding and potentially treating CAE.
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