Relationship between genetic variation in the 2A-adrenergic receptor and the cardiovascular effects of dexmedetomidine in the Chinese Han population

被引：6
作者：
Zhu, Shao-jun [1 ]
Wang, Kui-rong [1 ]
Zhang, Xiong-xin [1 ]
Zhu, Sheng-mei [1 ]
机构：
[1] Zhejiang Univ, Sch Med, Affiliated Hosp 1, Dept Anesthesiol, Hangzhou 310003, Zhejiang, Peoples R China
来源：
JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE B | 2019年 / 20卷 / 07期
关键词：
Dexmedetomidine; a(2A)-Adrenergic receptor; Polymorphism; Blood pressure; Heart rate; POLYMORPHISMS; ASSOCIATION;
D O I：
10.1631/jzus.B1800647
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
There are differences in individual cardiovascular responses to the administration of dexmedetomidine, a highly selective (2A)-adrenergic receptor (ADRA2A) agonist. The aim of this study was to investigate ADRA2A gene polymorphisms in the Chinese Han population and their association with the cardiovascular response to intravenous dexmedetomidine infusion. Sixty elective surgery patients of Chinese Han nationality were administered 1 mu g/kg dexmedetomidine intravenously over 10 min as a premedication. ADRA2A C-1291G and A1780G polymorphism status was determined in these patients, and their relationships to changes in blood pressure and heart rate after dexmedetomidine administration were analyzed. There were neither significant differences in systolic or diastolic blood pressure changes in individuals with different A1780G and C-1291G genotypes after dexmedetomidine administration, nor in heart rates among the different A1780G genotypes. However, there were significant differences in changes in heart rates in patients with different C-1291G genotypes. There were no significant differences in the sedative effects of dexmedetomidine among different A1780G and C-1291G genotypes. Logistic regression revealed that the C-1291G polymorphism was associated with differential decreases in heart rate after intravenous infusion of dexmedetomidine. These findings indicate that the ADRA2A C-1291G polymorphism can affect heart rate changes in patients after intravenous infusion of dexmedetomidine.
引用
收藏
页码：598 / 604
页数：7
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