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Comparison of coronary arterial lumen dimensions on angiography and plaque characteristics on optical coherence tomography images and their changes induced by statin.
BMC Medical Imaging ( IF 2.7 ) Pub Date : 2016-11-23 , DOI: 10.1186/s12880-016-0166-4
Nana Dong 1, 2 , Zulong Xie 1 , Wei Wang 1 , Jiannan Dai 1 , Meng Sun 2 , Zhongyue Pu 1 , Jinwei Tian 1 , Bo Yu 1, 2
Affiliation  

BACKGROUND Coronary angiography (CAG) is widely used to assess lumen dimensions, and optical coherence tomography (OCT) is used to evaluate the characteristics of atherosclerotic plaque. This study was aimed to compare coronary lumen dimensions using CAG and plaque characteristics using OCT and their changes during statin therapy. METHODS We identified 97 lipid-rich plaques from 69 statin-naïve patients, who received statin therapy in the following 12 months. CAG and OCT examinations were conducted at baseline and 12-month follow-up period. RESULTS Lesion length, as measured by CAG, was closely correlated with lipid length by OCT (baseline: r = 0.754, p < 0.001; follow-up: r = 0.639, p < 0.001). However, no significant correlations were found between the other findings on OCT and data on CAG. With 12-month statin therapy, microstructures of lipid-rich plaques were significantly improved, but CAG-derived lumen dimensions were not improved. Moreover, we found no significant relationship between changes in OCT measurements and changes in CAG data over time. CONCLUSION Lipid length on OCT and lesion length on CAG were closely correlated. However, plaque microstructural characteristics on OCT showed no significantly statistically correlations with lumen dimensions on CAG, neither did their evolutionary changes induced by statin over time. A RETROSPECTIVELY REGISTERED STUDY Clinical trial registry: ClinicalTrial.gov. Registered number: NCT01023607 . Registered 1 December 2009.

中文翻译:

血管造影和光学相干断层扫描图像上斑块特征的冠状动脉内腔尺寸比较以及他汀类药物引起的变化。

背景技术冠状动脉造影术(CAG)被广泛用于评估管腔尺寸,光学相干断层摄影术(OCT)被用于评估动脉粥样硬化斑块的特征。这项研究旨在比较使用CAG的冠状动脉腔尺寸和使用OCT的斑块特征及其在他汀类药物治疗期间的变化。方法我们从69名未接受他汀类药物的患者中鉴定出97种富含脂质的斑块,这些患者在接下来的12个月中接受了他汀类药物的治疗。在基线和12个月的随访期间进行了CAG和OCT检查。结果通过CAG测量,病变长度与OCT的血脂长度密切相关(基线:r = 0.754,p <0.001;随访:r = 0.639,p <0.001)。但是,在OCT的其他发现与CAG的数据之间没有发现显着的相关性。接受他汀类药物治疗12个月后,富含脂质的斑块的微观结构得到了显着改善,但CAG衍生的管腔尺寸却没有得到改善。此外,我们发现随着时间的推移,OCT测量值的变化与CAG数据的变化之间没有显着的关系。结论OCT上的脂质长度和CAG上的病变长度密切相关。然而,OCT上的斑块微结构特征与CAG上的管腔尺寸没有显着的统计学相关性,他汀类药物随时间的变化也没有引起它们的进化变化。追溯注册的研究临床试验注册:ClinicalTrial.gov。注册编号:NCT01023607。2009年12月1日注册。我们发现,随着时间的推移,OCT测量值的变化与CAG数据的变化之间没有显着关系。结论OCT上的脂质长度和CAG上的病变长度密切相关。然而,OCT上的斑块微结构特征与CAG上的管腔尺寸没有显着的统计学相关性,他汀类药物随时间的变化也没有引起它们的进化变化。追溯注册的研究临床试验注册:ClinicalTrial.gov。注册编号:NCT01023607。2009年12月1日注册。我们发现,随着时间的推移,OCT测量值的变化与CAG数据的变化之间没有显着的关系。结论OCT上的脂质长度和CAG上的病变长度密切相关。然而,OCT上的斑块微结构特征与CAG上的管腔尺寸没有显着的统计学相关性,他汀类药物随时间的变化也没有引起它们的进化变化。追溯注册的研究临床试验注册:ClinicalTrial.gov。注册编号:NCT01023607。2009年12月1日注册。追溯注册的研究临床试验注册:ClinicalTrial.gov。注册编号:NCT01023607。2009年12月1日注册。追溯注册的研究临床试验注册:ClinicalTrial.gov。注册编号:NCT01023607。2009年12月1日注册。
更新日期:2019-11-01
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