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首页> 外文期刊>Journal of neurology >Chance of aneurysm in patients suspected of SAH who have a 'negative' CT scan but a 'positive' lumbar puncture.
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Chance of aneurysm in patients suspected of SAH who have a 'negative' CT scan but a 'positive' lumbar puncture.

机译：疑似SAH的患者，如果CT扫描为“阴性”，但腰椎穿刺为“阳性”，则可能出现动脉瘤。

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In patients with sudden severe headache and a negative computed tomography (CT) scan, a lumbar puncture (LP) is performed to rule in or out a subarachnoid haemorrhage (SAH), but this procedure is under debate. In a hospital-based series of 30 patients with sudden headache, a negative CT scan but a positive LP (defined as detection of bilirubin >0.05 at wavelength 458?nm), we studied the chance of harbouring an aneurysm and the clinical outcome. Aneurysms were found in none of both patients who presented within 3?days, in 8 of the 18 (44%) who presented within 4-7?days and in 5 of the 10 (50%) who presented within 8-14?days. Of the 13 patients with an aneurysm, 3 (23%) had poor outcome. In patients who present late after sudden headache, the yield in terms of aneurysms is high in those who have a positive lumbar puncture. In patients with an aneurysm as cause of the positive lumbar puncture, outcome is in the same range as in SAH patients admitted in good clinical condition.
机译：对于突然严重头痛且计算机断层扫描（CT）扫描为阴性的患者，应进行腰穿（LP）来排除或排除蛛网膜下腔出血（SAH），但这一程序尚有争议。在以医院为基础的一系列30例突然头痛，CT扫描阴性但LP阳性（定义为在458？nm波长检测到胆红素> 0.05）的患者中，我们研究了动脉瘤的可能性和临床结局。在3天之内就诊的患者均未发现动脉瘤，在4-7天之内就诊的18例患者中有8个（44％），在8-14天之内就诊的10例患者中有5个（50％）发现了动脉瘤。 。在13例动脉瘤患者中，有3例（23％）预后不良。在突然头痛后迟到的患者中，腰椎穿刺阳性者的动脉瘤产率高。在以动脉瘤为阳性腰椎穿刺原因的患者中，结局与在临床状况良好的SAH患者中相同。

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