Assessment of acute pain in preterm infants by evaluation of facial expression and frequency domain analysis of heart rate variability
Assessment of acute pain in preterm infants by evaluation of facial expression and frequency domain analysis of heart rate variability
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DOI：
10.1016/s0378-3782(96)01851-8
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发表时间：
1997-04-25
影响因子：
2.5
通讯作者：
Hakansson, S
中科院分区：
文献类型：
--
作者：
Lindh, V;Wiklund, U;Hakansson, S
在10名早产儿（孕后年龄27-35周）的面部表情和心率变异性（HRV）进行了研究，在三种情况下：（a）婴儿在其婴儿床或保温箱休息，（B）的应用冯弗雷的头发，和（c）兰辛和挤压血样的回缩屈肌反射的激发。随机混合的面部表情视频记录被分类为婴儿不受干扰、受到干扰或疼痛，并对每种情况进行详细评分。计算平均心率（HR），并对来自三种程序的45 s持续时间段的数据进行功率谱分析。屈肌回缩并没有引起疼痛的视觉体征或影响心率变异性，但引起心率略有增加。兰辛和挤压足跟引起所有婴儿的面部表情疼痛。在血液采样期间，观察到HR增加，总HRV和HRV频谱低频带功率降低。当应用HRV的主成分分析时，疼痛和非疼痛程序之间的区别更加明显。(C)1997 Elsevier Science爱尔兰有限公司
In ten preterm infants (postconceptional age 27-35 weeks) facial expression and heart rate variability (HRV) were investigated during three situations: (a) the infant at rest in its crib or incubator, (b) provocation of the withdrawal flexor reflex by application of von Frey's hairs, and (c) lancing and squeezing for blood sampling. Video recordings of facial expressions, mixed at random, were categorised as the baby being either undisturbed, disturbed or in pain and a detailed scoring for each situation was performed. Mean heart rate (HR) was calculated and power spectral analysis was assessed on data from segments of 45-s duration from the three procedures. Flexor withdrawal did not evoke visual signs of pain or influence HRV, but caused a slight increase in HR. The lancing and squeezing of the heel evoked a facial expression of pain in all infants. The HR increased and a reduction in both total HRV and power in the low frequency band of the HRV spectrum was seen during blood sampling. The differentiation between painful and non-painful procedures was more apparent when principal component analysis of HRV was applied. (C) 1997 Elsevier Science Ireland Ltd.