coronary stenoses
Regional myocardial strain analysis via 2D speckle tracking echocardiography: validation with sonomicrometry and correlation with regional blood flow in the presence of graded coronary stenoses and dobutamine stress
... of coronary stenoses and dobu- tamine ...of coronary stenoses and low-dose dobutamine stress on the relationship between regional myocardial function and blood flow, and provide a rigor- ous ...
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Evaluation of intermediate coronary stenoses in acute coronary syndromes using pressure guidewire
... in stenoses with normal iFR values ...in stenoses with FFR ...distal coronary pressure, and thus in an increase in FFR, while the hampered flow through the stenosis will result in a decrease in CFR, ...
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Numerical analysis of the pressure drop across highly-eccentric coronary stenoses: application to the calculation of the fractional flow reserve
... of coronary artery stenoses are caused by ath- eromatous lesions producing an eccentric narrowing similar that geometry ...highly-eccentric coronary stenoses can also be applied to concentric ...
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Functional classification discordance in intermediate coronary stenoses between fractional flow reserve and angiography-based quantitative flow ratio
... lower coronary flow velocity (Tmn: ...decreasing coronary flow velocity (elongation of Tmn) was associated with increasing magnitudes of the differ- ence between the FFR and ...
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Hemodynamic diagnostics of epicardial coronary stenoses: in-vitro experimental and computational study
... To distinguish epicardial stenosis severity from microvas- cular dysfunction, simultaneous measurements [7] of the coronary flow and pressure have been recently recom- mended [8,9]. For this purpose, both pressure ...
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Diastolic-systolic velocity ratio to detect coronary stenoses under physiological resting conditions: a mechanistic study
... the coronary ostium, the pressure sensor was equalised with the pressure of the aortic guiding ...distal coronary pressure and aortic pressure were measured under true resting ...
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Non-invasive assessment of functionally significant coronary stenoses through mathematical analysis of spectral ECG components
... Each MCG test was taken and analysed prior to perform- ing the CAG. An ECG was performed and 82 s of resting signal were collected from leads II and V5. The data were subsequently analysed and transformed by multiple ...
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Midterm results after arterial switch operation for transposition of the great arteries: a single centre experience
... of coronary stenosis [2] is one of the major concerns of ...of coronary stenosis in the follow up was low ...late stenoses after ASO ...right coronary artery and 1 had left coronary ...
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Triglyceride glucose index for the detection of asymptomatic coronary artery stenosis in patients with type 2 diabetes
... silent coronary artery disease is expected to be greater than in higher income ...detected coronary stenoses ≥ 50 in 36% and ≥ 70 in 19% of the ...of coronary arteries with ...
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Thrombin is an important mediator of platelet aggregation in stenosed canine coronary arteries with endothelial injury
... in coronary blood flow (CFVs) in dogs with experimental coronary artery stenosis and endothelial injury appear to result primarily from the aggregation of platelets at the site of stenosis followed by ...
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Hemodynamic impacts of left coronary stenosis : a patient-specific analysis
... surrounding stenoses located at the left coronary bifurcation, and their influence on the wall shear stress (WSS) in realistic coronary ...suspected coronary artery disease were chosen, and ...
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Treadmill exercise promotes cyclic alterations in coronary blood flow in dogs with coronary artery stenoses and endothelial injury
... with coronary stenoses and endothelial injury; (b) ventricular pacing does not induce cyclic flow variations in most dogs in the same model; and (c) TXA2 and/or serotonin are important mediators of cyclic ...
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CT coronary angiography vs. invasive coronary angiography in CHD
... assess coronary stenoses and its po- tential for immediate quality control of the performed re- vascularisation, invasive coronary angiography is currently regarded as the “gold standard” for ...
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Neurovascular In Stent Stenoses: Treatment with Conventional and Drug Eluting Balloons
... intracranial stenoses can now be performed with a high level of procedural safety and ...recurrent stenoses resulting from neointimal hyperplasia, which mostly appears within the first 6 months following ...
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MATERNAL RUBELLA AND PULMONARY ARTERY STENOSES
... pulmonary arterial stenoses in patients with rubella history is the adoption of a view that assessment of patients after closure of a ductus arteriosus must be more than a. cursory auscu[r] ...
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Dynamic Spin Labeling Angiography in Extracranial Carotid Artery Stenosis
... In addition to information on the degree of steno- sis, DLSA provides information on hemodynamic changes in the brain. In 33% of patients, ATDs in the MCA are equal to or greater than those in the CS, suggesting an ...
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Carotid Artery Tandem Lesions: Frequency of Angiographic Detection and Consequences for Endarterectomy
... Eleven patients with ipsilateral carotid siphon stenosis did not undergo an endarterectomy. The degree of siphon stenosis in these patients ranged from 50% to 99% (mean, 66%), with an ipsilateral ICA stenosis of 70% to ...
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CONGENTAL, MULTIPLE PERIPHERAL STENOSES OF THE PULMONARY ARTERY
... Examination of the chest showed no pre- cordial l)ulge. A slight systolic thrill was found over the second left interspace. A harsh, pro- tracted systolic murmur was audible over the sam[r] ...
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Effects of Carotid or Vertebrobasilar Stent Placement on Cerebral Perfusion and Cognition
... carotid stenoses) (Table 1), four patients with intracranial ca- rotid stenosis (Table 2), and seven with either extra- or intra- cranial vertebrobasilar stenoses (Table ...All stenoses were ...
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The Use of Balloon Expandable Stents in the Management of Intracranial Arterial Diseases: A 5 Year Single Center Experience
... The use of stent-assisted angioplasty is an alterna- tive treatment for intracranial atherosclerotic steno- ses in symptomatic patients resistant to medical ther- apy and at high risk for stroke. Several reports have ...
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