Aortic velocity propagation : A novel echocardiographic method in predicting atherosclerotic coronary artery disease burden

BACKGROUND: The major burden of cardiovascular disease mortality around the globe is due to atherosclerosis and its complications. Hence its early detection and management with easily accessible and noninvasive methods are valuable. Aortic velocity propagation (AVP) through color M-mode of the proxi...

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Veröffentlicht in:Journal of the Saudi Heart Association. - 1999. - 29(2017), 3 vom: 14. Juli, Seite 176-184
1. Verfasser: Vasudeva Chetty, Pakala (VerfasserIn)
Weitere Verfasser: Rajasekhar, Durgaprasad, Vanajakshamma, Velam, Ranganayakulu, Kummaraganti P, Kranthi Chaithanya, Dommara
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Journal of the Saudi Heart Association
Schlagworte:Journal Article Aortic stiffness Atherosclerosis Intima-media thickness Propagation velocity
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520 |a BACKGROUND: The major burden of cardiovascular disease mortality around the globe is due to atherosclerosis and its complications. Hence its early detection and management with easily accessible and noninvasive methods are valuable. Aortic velocity propagation (AVP) through color M-mode of the proximal descending aorta determines aortic stiffness, reflecting atherosclerosis. The aim of this study was to find the utility of AVP in predicting coronary artery disease (CAD) burden assessed through SYNTAX (SYNergy between percutaneous coronary intervention with TAXus and cardiac surgery) score and compared with carotid intima-media thickness (CIMT), which is an established surrogate marker of atherosclerosis 
520 |a METHODS: In this cross-sectional comparative study, we measured AVP by color M-mode and CIMT by using Philips QLAB-IMT software in 100 patients, who underwent conventional coronary angiogram (CAG) between May 2013 and November 2014. Coronary artery disease is considered significant if >50% diameter stenosis is present in any epicardial coronary artery and insignificant if otherwise 
520 |a RESULTS: Initially, to know the normal range we measured AVP and CIMT in 50 patients without any major risk factors for CAD but CAG was not done. Aortic velocity propagation ranged from 46 cm/s to 76 cm/s (mean = 58.62 ± 6.46 cm/s), CIMT ranged from 0.50 mm to 0.64 mm (mean = 0.55 ± 0.03 mm). Among 100 patients who underwent CAG we found 69% had significant CAD, 13% had insignificant CAD, and 18% had normal coronaries. Those with significant CAD had significantly lower AVP (41.65 ± 4.94 cm/s) [F (2,97) = 44.05, p < 0.0001] and significantly higher CIMT (0.86 ± 0.11 mm) [F (2,97) =35.78, p < 0.0001]. AVP had significant strong negative correlation with CIMT (r = -0.836, p < 0.0001, n = 100) and SYNTAX score (r = -0.803, p < 0.0001, n = 69), while CIMT was positively correlated with SYNTAX score significantly (r = 0.828, p < 0.0001, n = 69) 
520 |a CONCLUSIONS: AVP and CIMT can predict CAD burden in a robust way. AVP may emerge as an exquisite bedside tool to predict atherosclerotic burden and guide in implementing preventive therapy for cardiovascular disease 
650 4 |a Journal Article 
650 4 |a Aortic stiffness 
650 4 |a Atherosclerosis 
650 4 |a Intima-media thickness 
650 4 |a Propagation velocity 
700 1 |a Rajasekhar, Durgaprasad  |e verfasserin  |4 aut 
700 1 |a Vanajakshamma, Velam  |e verfasserin  |4 aut 
700 1 |a Ranganayakulu, Kummaraganti P  |e verfasserin  |4 aut 
700 1 |a Kranthi Chaithanya, Dommara  |e verfasserin  |4 aut 
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