JAMA:脑震荡后综合征的临床风险评分系统

2016-03-30 Seven L MedSci原创

脑震荡后综合征是各种脑外伤后最普遍的慢性后遗症。主要表现为头痛、眩晕、注意不集中、记忆减退、对声光敏感、疲乏、情绪不稳及失眠等。器质性与非器质性因素都可导致此综合征。虽然患者可能有器质性改变,但多数情况下躯体及实验室检查并无异常发现。该综合征与社会心理因素有很大关系。...原始出处:Zemek R, et al. Clinical Risk Score for Persistent Postcon

脑震荡后综合征是各种脑外伤后最普遍的慢性后遗症。主要表现为头痛、眩晕、注意不集中、记忆减退、对声光敏感、疲乏、情绪不稳及失眠等。器质性与非器质性因素都可导致此综合征。虽然患者可能有器质性改变,但多数情况下躯体及实验室检查并无异常发现。该综合征与社会心理因素有很大关系。

近期JAMA有研究发现了,对于急诊脑震荡患儿,通过临床风险评分可稍微改善持续性脑震荡后综合征(PPCS)风险的识别。

东部安大略省研究所儿童医院的Roger Zemek博士说:“需要对急诊头部损伤的脑震荡患儿在第28天进行临床风险评分,识别PPCS。”

为了验证临床风险评分的有效性,研究者对3063名5-17岁急性脑损伤的急诊患儿进行了研究。其中推导队列有2006名患儿,验证队列有1057名患儿。推导组患儿的信息被用来推导风险评分,而验证组的数据被用来验证得分。两组进行相同的程序,所有诊断为脑震荡的患者在入院后28天进行随访。

就诊急诊后28天时患者有≥3个新的或恶化的症状,那么就认为具有PPCS风险。该研究还有一个目的,比较医生对患者的风险直觉感知和临床风险评分的准确性。

研究结果显示,推导组和验证组分别有501和291名PPCS患者。研究人员通过推导组患者的相关信息,开发了PPCS风险评分模型,包括:

女性、≥13岁、有偏头痛史、之前脑震荡症状持续超过1周、头痛、对噪声敏感、疲劳、回答问题迟缓和串联式平衡计分系统≥4次错误。

通过统计分析,研究者发现PPCS风险评分模型在推导组的曲线下面积为0.71(95% CI,0.69-0 .74),验证组的曲线下面积为0.68(95% CI,0.65-0.72)。阳性预测值为35.9%。

“对脑震荡的初始管理缺乏证据,是儿科脑震荡领域的一个关键问题,在未来的比较临床试验中,应该将这项研究结果应用在内。”Zemek和同事写道,“不过在风险评分系统应用到临床之前,还需要更多的研究去修改、验证、评估它的准确性,并确定临床实用程序。”

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    2016-04-01 TZF0804
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    2016-03-31 milkshark

    有风险吗

    0