Correlation between coronary artery disease severity, left ventricular mass index and carotid intima media thickness, assessed by radio-frequency View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2011-11-16

AUTHORS

Marco M Ciccone, Pietro Scicchitano, Annapaola Zito, Luciano Agati, Michele Gesualdo, Sandro Mandolesi, Rosa Carbonara, Francesco Ciciarello, Francesco Fedele

ABSTRACT

BACKGROUND: Intima-media thickness of the common carotid artery (CCA-IMT) is a validated marker of systemic atherosclerosis process. The aim of this study was to evaluate the association between coronary artery disease (CAD), left ventricular hypertrophy (LVH) and CCA-IMT, assessed by Radio Frequency-Quality Intima Media Thickness (RFQIMT) method, the next generation of IMT real-time measurement, based on the direct analysis of the radiofrequency signal and endowed with high accuracy and reproducibility in early detection of arterial wall thickness. METHODS: 115 patients (76 men, mean age: 65.1 ± 12 years) referred to our department and shown significant (≥ 70% luminal obstruction) stenosis at least in one major epicardial coronary artery were studied. Coronary angiograms were divided for severity and extent of the disease: 79 patients (69%) had one, 24 patients (21%) two, 12 patients (10%) three major epicardial coronary arteries with ≥ 70% stenosis. All patients underwent echocardiography and carotid ultrasound examination, assessed by RF. RESULTS: Dividing RFQIMT data in tertiles, dyslipidaemia (31 patients with IMT ≥ 1.20 mm vs 16 with IMT = 0.91-1.19 vs 25 with IMT ≤ 0.9, p = 0.004), LVMI (153.5 ± 20.6 g/m² in IMT ≥ 1.20 mm vs 131.2 ± 8.4 g/m² in IMT = 0.91-1.19 mm vs 114.3 ± 11.1 g/m² in IMT ≤ 0.9 mm, P < 0.001) and number of high stenosed coronary arteries (IMT ≥ 1.20 mm population more often showed three vessel diseases than IMT ≤ 0.90 mm one, P < 0.001) seemed to be significantly related to CCA-IMT increases. Furthermore, LVMI is positively related to IMT (r = 0.91; P < 0.001). In a multivariate regression model (R2 = 0.88), RFQIMT remained significantly associated with the dyslipidemia (regression coefficient ± standard error [SE]: 0.057 ± 0.023; p = 0.017), LVMI (regression coefficient ± SE: 0.01 ± 0.001; P < 0.0001) and number of damaged coronaries (regression coefficient ± SE: 0.0174 ± 0.028; P < 0.0001). CONCLUSIONS: RFQIMT is a sophisticated method for carotid ultrasound evaluation. Its evaluation in patients with at least one important major epicardial coronary vessel stenosis would help the accuracy in the general assessment of the number of coronary lesions in these patients. More... »

PAGES

32-32

Identifiers

URI

http://scigraph.springernature.com/pub.10.1186/1476-7120-9-32

DOI

http://dx.doi.org/10.1186/1476-7120-9-32

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1004609249

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/22087814


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78 extent
79 general assessment
80 generation
81 high accuracy
82 hypertrophy
83 important major epicardial coronary vessel stenosis
84 increase
85 index
86 intima-media thickness
87 lesions
88 major epicardial coronary arteries
89 major epicardial coronary vessel stenosis
90 markers
91 mass index
92 measurements
93 media thickness
94 method
95 model
96 multivariate regression model
97 next generation
98 number
99 patients
100 patients (10%) three major epicardial coronary arteries
101 patients two
102 process
103 radiofrequency signals
104 real-time measurement
105 regression models
106 reproducibility
107 severity
108 signals
109 significant stenosis
110 sophisticated methods
111 stenosis
112 study
113 systemic atherosclerosis process
114 tertile
115 thickness
116 thickness method
117 three major epicardial coronary arteries
118 two
119 ultrasound evaluation
120 ultrasound examination
121 ventricular hypertrophy
122 ventricular mass index
123 vessel stenosis
124 wall thickness
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