6 results on '"Xueyao Yang"'
Search Results
2. Myocardial Viability, Functional Status, and Collaterals of Patients With Chronically Occluded Coronary Arteries
- Author
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Xueyao Yang, Jinfan Tian, Lijun Zhang, Wei Dong, Hongzhi Mi, Jianan Li, Jiahui Li, Ye Han, Huijuan Zuo, Jing An, Yi He, and Xiantao Song
- Subjects
chronic total occlusion ,myocardial viability ,coronary artery disease ,cardiovascular magnetic resonance ,cardiac function ,Diseases of the circulatory (Cardiovascular) system ,RC666-701 - Abstract
Objective: Viability and functional assessments are recommended for indication and intervention for chronic coronary total occlusion (CTO). We aimed to evaluate myocardial viability and left ventricular (LV) functional status by using cardiovascular magnetic resonance (CMR) and to investigate the relationship between them and collaterals in patients with CTO.Materials and Methods: We enrolled 194 patients with one CTO artery as detected by coronary angiography. Patients were scheduled for CMR within 1 week after coronary angiography.Results: A total of 128 CTO territories (66%) showed scar based on late gadolinium enhancement (LGE) imaging. There were 1,112 segments in CTO territory, while only 198 segments (18%) subtended by the CTO artery showed transmural scar (i.e., >50% extent on LGE). Patients with viable myocardium had higher LV ejection fraction (LVEF) (56.7 ± 13.5% vs. 48.3 ± 15.4%, p < 0.001) than those with transmural scar. Angiographically, well-developed collaterals were found in 164 patients (85%). There was no significant correlation between collaterals and the presence of myocardial scar (p = 0.680) or between collaterals and LVEF (p = 0.191). Nevertheless, more segments with transmural scar were observed in patients with poorly-developed collaterals than in those with well-developed collaterals (25 vs. 17%, p = 0.010).Conclusion: Myocardial infarction detected by CMR is widespread among patients with CTO, yet only a bit of transmural myocardial scar was observed within CTO territory. Limited number of segments with transmural scar is associated with preserved LV function. Well-developed collaterals are not related to the prevalence of myocardial scar or systolic functioning, but could be related to reduce number of non-viable segments subtended by the CTO artery.
- Published
- 2021
- Full Text
- View/download PDF
3. Agreement in Left Ventricular Function Measured by Echocardiography and Cardiac Magnetic Resonance in Patients With Chronic Coronary Total Occlusion
- Author
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Jiahui Li, Lijun Zhang, Yueli Wang, Huijuan Zuo, Rongchong Huang, Xueyao Yang, Ye Han, Yi He, and Xiantao Song
- Subjects
magnetic resonance imaging ,transthoracic echocardiography ,left ventricular function ,chronic total occlusion ,agreement ,Diseases of the circulatory (Cardiovascular) system ,RC666-701 - Abstract
Aims: To determine the agreement between two-dimensional transthoracic echocardiography (2DTTE) and cardiovascular magnetic resonance (CMR) in left ventricular (LV) function [including end-systolic volume (LVESV), end-diastolic volume (LVEDV), and ejection fraction (LVEF)] in chronic total occlusion (CTO) patients.Methods: Eighty-eight CTO patients were enrolled in this study. All patients underwent 2DTTE and CMR within 1 week. The correlation and agreement of LVEF, LVESV, and LVEDV as measured by 2DTTE and CMR were assessed using Pearson correlation, Kappa analysis, and Bland–Altman method.Results: The mean age of patients enrolled was 57 ± 10 years. There was a strong correlation (r = 0.71, 0.90, and 0.80, respectively, all P < 0.001) and a moderately strong agreement (Kappa = 0.62, P < 0.001) between the two modalities in measurement of LV function. The agreement in patients with EF ≧50% was better than in those with an EF
- Published
- 2021
- Full Text
- View/download PDF
4. Effects of Oral Drugs on Coronary Microvascular Function in Patients Without Significant Stenosis of Epicardial Coronary Arteries: A Systematic Review and Meta-Analysis of Coronary Flow Reserve
- Author
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Jingwen Yong, Jinfan Tian, Xueyao Yang, Haoran Xing, Yi He, and Xiantao Song
- Subjects
oral drug ,coronary microvascular ,microvascular function ,coronary flow reserve (CFR) ,therapy ,Diseases of the circulatory (Cardiovascular) system ,RC666-701 - Abstract
Objective: This study aims to investigate the impact of cardiovascular medications on the coronary flow reserve (CFR) in patients without obstructive coronary artery disease (CAD).Methods: We searched PubMed, EMBASE, and Cochrane databases from inception to 15 November 2019. Studies were included if they reported CFR from baseline to follow-up after oral drug therapy of patients without obstructive CAD. Data was pooled using random-effects modeling. The primary outcome was change in CFR from baseline to follow-up after oral drug therapy.Results: A total of 46 studies including 845 subjects were included in this study. Relative to baseline, the CFR was improved by angiotensin-converting enzymes (ACEIs), aldosterone receptor antagonists (ARBs) [standard mean difference (SMD): 1.12; 95% CI: 0.77–1.47], and statins treatments (SMD: 0.61; 95%CI: 0.36–0.85). Six to 12 months of calcium channel blocker (CCB) treatments improved CFR (SMD: 1.04; 95% CI: 0.51–1.58). Beta-blocker (SMD: 0.24; 95% CI: −0.39–0.88) and ranolazine treatment (SMD: 0.31; 95% CI: −0.39–1.01) were not associated with improved CFR.Conclusions: Therapy with ACEIs, ARBs, and statins was associated with improved CFR in patients with confirmed or suspicious CMD. CCBs also improved CFR among patients followed for 6–12 months. Beta-blocker and ranolazine had no impact on CFR.
- Published
- 2020
- Full Text
- View/download PDF
5. Myocardial Viability, Functional Status, and Collaterals of Patients With Chronically Occluded Coronary Arteries
- Author
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Jing An, Wei Dong, Jinfan Tian, Ye Han, Jiahui Li, J.N. Li, Huijuan Zuo, Xueyao Yang, Lijun Zhang, Xiantao Song, Yi He, and Hongzhi Mi
- Subjects
Cardiac function curve ,medicine.medical_specialty ,Cardiovascular Medicine ,myocardial viability ,Coronary artery disease ,cardiovascular magnetic resonance ,Internal medicine ,Diseases of the circulatory (Cardiovascular) system ,Medicine ,In patient ,cardiovascular diseases ,chronic total occlusion ,Original Research ,Ejection fraction ,medicine.diagnostic_test ,business.industry ,Magnetic resonance imaging ,medicine.disease ,Coronary arteries ,medicine.anatomical_structure ,RC666-701 ,Cardiology ,Functional status ,cardiac function ,Cardiology and Cardiovascular Medicine ,business ,coronary artery disease ,Artery - Abstract
Objective: Viability and functional assessments are recommended for indication and intervention for chronic coronary total occlusion (CTO). We aimed to evaluate myocardial viability and left ventricular (LV) functional status by using cardiovascular magnetic resonance (CMR) and to investigate the relationship between them and collaterals in patients with CTO.Materials and Methods: We enrolled 194 patients with one CTO artery as detected by coronary angiography. Patients were scheduled for CMR within 1 week after coronary angiography.Results: A total of 128 CTO territories (66%) showed scar based on late gadolinium enhancement (LGE) imaging. There were 1,112 segments in CTO territory, while only 198 segments (18%) subtended by the CTO artery showed transmural scar (i.e., >50% extent on LGE). Patients with viable myocardium had higher LV ejection fraction (LVEF) (56.7 ± 13.5% vs. 48.3 ± 15.4%, p < 0.001) than those with transmural scar. Angiographically, well-developed collaterals were found in 164 patients (85%). There was no significant correlation between collaterals and the presence of myocardial scar (p = 0.680) or between collaterals and LVEF (p = 0.191). Nevertheless, more segments with transmural scar were observed in patients with poorly-developed collaterals than in those with well-developed collaterals (25 vs. 17%, p = 0.010).Conclusion: Myocardial infarction detected by CMR is widespread among patients with CTO, yet only a bit of transmural myocardial scar was observed within CTO territory. Limited number of segments with transmural scar is associated with preserved LV function. Well-developed collaterals are not related to the prevalence of myocardial scar or systolic functioning, but could be related to reduce number of non-viable segments subtended by the CTO artery.
- Published
- 2021
6. Agreement in Left Ventricular Function Measured by Echocardiography and Cardiac Magnetic Resonance in Patients With Chronic Coronary Total Occlusion
- Author
-
Lijun Zhang, Xueyao Yang, Xiantao Song, Rongchong Huang, Huijuan Zuo, Yi He, Ye Han, Jiahui Li, and Yueli Wang
- Subjects
medicine.medical_specialty ,030204 cardiovascular system & hematology ,Cardiovascular Medicine ,Total occlusion ,030218 nuclear medicine & medical imaging ,03 medical and health sciences ,transthoracic echocardiography ,left ventricular function ,0302 clinical medicine ,Internal medicine ,medicine ,Diseases of the circulatory (Cardiovascular) system ,magnetic resonance imaging ,In patient ,Wall motion ,cardiovascular diseases ,chronic total occlusion ,Original Research ,Ejection fraction ,medicine.diagnostic_test ,Ventricular function ,business.industry ,Magnetic resonance imaging ,RC666-701 ,Cardiology ,cardiovascular system ,Cardiology and Cardiovascular Medicine ,business ,Cardiac magnetic resonance ,agreement ,Kappa - Abstract
Aims: To determine the agreement between two-dimensional transthoracic echocardiography (2DTTE) and cardiovascular magnetic resonance (CMR) in left ventricular (LV) function [including end-systolic volume (LVESV), end-diastolic volume (LVEDV), and ejection fraction (LVEF)] in chronic total occlusion (CTO) patients.Methods: Eighty-eight CTO patients were enrolled in this study. All patients underwent 2DTTE and CMR within 1 week. The correlation and agreement of LVEF, LVESV, and LVEDV as measured by 2DTTE and CMR were assessed using Pearson correlation, Kappa analysis, and Bland–Altman method.Results: The mean age of patients enrolled was 57 ± 10 years. There was a strong correlation (r = 0.71, 0.90, and 0.80, respectively, all P < 0.001) and a moderately strong agreement (Kappa = 0.62, P < 0.001) between the two modalities in measurement of LV function. The agreement in patients with EF ≧50% was better than in those with an EF r = 0.84, 0.96, and 0.87, respectively) and smaller biases in LV function measurement.Conclusions: The difference in measurement between 2DTTE and CMR should be noticed in CTO patients with EF
- Published
- 2021
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