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Randomized study on the safety and efficacy of dual-axis rotational versus standard coronary angiography in.
MedLine Citation:
PMID:  22613524     Owner:  NLM     Status:  In-Data-Review    
BACKGROUND: Dual-axis rotational coronary angiography (DARCA) was developed as an innovative adaptation of rotational angiography (RA), but it requires a longer coronary injection compared to standard coronary angiography (SA). As the body of the average Chinese patient is smaller than that of most western patients, with the same contrast injection time, the risk of complications from the contrast agent is increased in this population. The purpose of this study was to assess the clinical safety and efficacy of DARCA in the diagnosis of coronary artery disease (CAD) in the Chinese population by directly comparing it to SA.
METHODS: Two hundred Chinese patients were randomized to either the SA group (n = 100) or DARCA group (n = 100). Contrast utilization, radiation exposure and procedure time were recorded for each modalities. Blood pressure (BP), heart rate (HR) pre and post injection symptoms and any arrhythmias were recorded.
RESULTS: Compared to the SA group, there was a 42% reduction in contrast utilization, 55% reduction in radiation exposure and a 31% shorter procedure time in the DARCA group. In both groups, there were slight declines in the systolic BP values in the left coronary artery (LCA) post injection (P < 0.01). Moreover, post injection HRs for the LCA were also reduced in the DARCA group (P < 0.01). But all of these changes were small, transient and without clinical importance. Only one patient (1%) in the DARCA group had an attack of ventricular tachycardia immediately post injection and it resolved by itself during LCA angiography. No arrhythmias occurred in the SA group.
CONCLUSION: DARCA is a safe, efficient, and clinically comparable alternative to SA in the diagnosis of coronary artery disease in the Chinese population with less contrast utilized, which is less radiation exposure and a shorter procedure time than SA.
Hui-Liang Liu; Zhi-Geng Jin; Sheng-Li Yang; Jian-Ping Luo; Dong-Xing Ma; Ying Liu; Wei Han
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Chinese medical journal     Volume:  125     ISSN:  0366-6999     ISO Abbreviation:  Chin. Med. J.     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-05-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7513795     Medline TA:  Chin Med J (Engl)     Country:  China    
Other Details:
Languages:  eng     Pagination:  1016-22     Citation Subset:  IM    
Department of Cardiology, General Hospital of Chinese People's Armed Police Forces, Beijing 100039, China (Email:
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