Nath Soumya S, Singh Sujan, Pawar Sundeep T
Department of Anaesthesiology, Sahara Hospital, Viraj Khand, Lucknow, Uttar Pradesh, India.
Indian J Anaesth. 2013 May;57(3):289-91. doi: 10.4103/0019-5049.115617.
We present a case of dexmedetomidine toxicity in a 3-year-old child. The case report describes the features and outlines the treatment strategy adopted. The child presented with bradypnoea, bradycardia, hypotension, deep hypnosis and miosis. He was successfully managed with oxygen, saline boluses and adrenaline infusion. He became haemodynamically stable with adrenaline infusion. He started responding to painful stimuli in 3 h and became oriented in 7 h. Dexmedetomidine, a selective α2 adrenoceptor agonist, is claimed to have a wide safety margin. This case report highlights the fact that dexmedetomidine administered in a toxic dose may be life-threatening may present with miosis and adrenaline infusion may be a useful supportive treatment.
我们报告一例3岁儿童右美托咪定中毒病例。该病例报告描述了其特征并概述了所采用的治疗策略。患儿出现呼吸过缓、心动过缓、低血压、深度催眠和瞳孔缩小。通过吸氧、静脉推注生理盐水和静脉输注肾上腺素成功对其进行了治疗。静脉输注肾上腺素后他的血流动力学变得稳定。3小时后他开始对疼痛刺激有反应,7小时后意识恢复正常。右美托咪定是一种选择性α2肾上腺素能受体激动剂,据称具有较宽的安全范围。本病例报告强调了这样一个事实,即给予中毒剂量的右美托咪定可能会危及生命,可能会出现瞳孔缩小,静脉输注肾上腺素可能是一种有用的支持性治疗方法。