行冠状动脉ct血管造影患者钙化斑块特征及尺寸与冠状动脉狭窄关系的评价

IF 0.2 4区 医学 Q4 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
Mehdi Karami, Amirreza Sajjadieh Khajouei, Shahram Abdi, Mohaddeseh Behjati
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引用次数: 0

摘要

背景:尽管冠状动脉ct血管造影(CCTA)在确定冠状动脉粥样硬化斑块特征方面具有重要作用,但很少有研究探讨斑块尺寸在冠状动脉阻塞过程中的作用。因此,本研究旨在通过CCTA评估钙化斑块的特征和尺寸与冠状动脉狭窄的关系。目的:本研究旨在评估行CCTA患者钙化斑块尺寸与冠状动脉狭窄的关系。患者和方法:本横断面研究采用120千伏螺旋扫描对211例候选患者的斑块进行前瞻性和回顾性心电图(ECG)门通CCTA。评估所有冠状动脉钙化斑块的长度、宽度、厚度和管腔面积。结果:平均狭窄率为56.1±24.4%。狭窄患者数<50%为100(47.3%)。狭窄与斑块近端和远端正常冠状动脉的管腔面积和管腔直径有显著关系(P <0.05)。然而,狭窄与正常管腔面积无显著相关性(P >0.05)。同时,狭窄程度与斑块的宽度和长度呈显著相关(P <0.05)。结论:目前的结果表明狭窄与斑块的宽度、长度和管腔面积有显著的相关性。由此可见,斑块大小是血管狭窄的预测因素。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluation of the Relationship Between the Characteristics and Dimensions of Calcified Plaques and Coronary Artery Stenosis in Patients Undergoing Coronary Computed Tomography Angiography
Background: Despite the important role of coronary computed tomography angiography (CCTA) in determining the features of coronary atherosclerotic plaques, very few studies have investigated the role of plaque dimensions in the process of coronary artery obstruction. Therefore, this study aimed to assess the relationship between the characteristics and dimensions of calcified plaques and coronary artery stenosis using CCTA. Objectives: This study aimed to evaluate the relationship between calcified plaque dimensions and coronary artery stenosis in patients undergoing CCTA. Patients and Methods: This cross-sectional study was conducted on 211 plaques of candidate patients for prospective and retrospective electrocardiography (ECG)-gated CCTA, using spiral scanning at 120 kV. The length, width, thickness, and luminal areas of calcified plaques were assessed in all coronary arteries. Results: The mean rate of stenosis was estimated to be 56.1 ± 24.4%. The number of patients with stenosis < 50% was 100 (47.3%). Stenosis had a significant relationship with the plaque luminal area and the luminal dimeter of the normal coronary artery proximal and distal to the plaque (P < 0.05). However, there was no significant correlation between stenosis and normal luminal area (P > 0.05). Meanwhile, a significant relationship was found between stenosis and the width and length of plaques (P < 0.05). Conclusion: The present results indicated a significant association between stenosis and the width, length, and luminal area of plaques. It can be concluded that plaque dimensions are a predictive factor for stenosis.
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来源期刊
Iranian Journal of Radiology
Iranian Journal of Radiology RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING-
CiteScore
0.50
自引率
0.00%
发文量
33
审稿时长
>12 weeks
期刊介绍: The Iranian Journal of Radiology is the official journal of Tehran University of Medical Sciences and the Iranian Society of Radiology. It is a scientific forum dedicated primarily to the topics relevant to radiology and allied sciences of the developing countries, which have been neglected or have received little attention in the Western medical literature. This journal particularly welcomes manuscripts which deal with radiology and imaging from geographic regions wherein problems regarding economic, social, ethnic and cultural parameters affecting prevalence and course of the illness are taken into consideration. The Iranian Journal of Radiology has been launched in order to interchange information in the field of radiology and other related scientific spheres. In accordance with the objective of developing the scientific ability of the radiological population and other related scientific fields, this journal publishes research articles, evidence-based review articles, and case reports focused on regional tropics. Iranian Journal of Radiology operates in agreement with the below principles in compliance with continuous quality improvement: 1-Increasing the satisfaction of the readers, authors, staff, and co-workers. 2-Improving the scientific content and appearance of the journal. 3-Advancing the scientific validity of the journal both nationally and internationally. Such basics are accomplished only by aggregative effort and reciprocity of the radiological population and related sciences, authorities, and staff of the journal.
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