| Interpretation of Traumatic Lumbar Puncture in Aseptic Meningitis |
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Su Jin Sung, Jung Kim |
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Department of Pediatrics, Yeosu Chonnam Hospital, Yeosu, Korea |
| 무균성 뇌막염 환아에서 혈성 요추천자액의 해석 |
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성수진, 김인정 |
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여수전남병원 소아과 |
Correspondence:
Su Jin Sung, Email: sujin282001@yahoo.com
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| Abstract |
Purpose
: This study was undertaken to find out a useful method that can predict the true leukocytosis in blood-contaminated cerebrospinal fluid(CSF) due to traumatic lumbar puncture(LP), using white and red cell counts of sanguineous CSF and peripheral blood.
Methods
: From May 2001 to December 2002, among 1,247 patients presenting symptoms of meningitis who had received LP at Chonnam Hospital, 126 patients were included in this study who had undergone a second LP due to a traumatic first one. According to the final results of second LP, they were devided into two groups, aseptic meningitis group; and normal CSF group. Medical records were reviewed retrospectively, the proportions of white blood cells to red blood cells were obtained in the peripheral blood(WBC : RBCBlood) and CSF(WBC : RBCCSF), based on the results of the traumatic first LP and simultaneously performed peripheral blood count. The WBC : RBCCSF/WBC : RBCBlood ratio was calculated in each patient.
Results
: The WBC : RBCCSF/WBC : RBCBlood of the normal CSF group was 13.5?.3(standard deviation), significantly lower than 47.3?9.5 of the aseptic meningitis group.
Conclusion
: The WBC : RBCCSF/WBC : RBCBlood is a useful value to predict frank leukocytosis in the blood-contaminated CSF due to traumatic LP, but all clinical and laboratory informations must be considered before deciding on a treatment strategy to minimize the risk of misdiagnosis. |
| Key Words:
Traumatic lumbar puncture, Cerebrospinal fluid, Aseptic meningitis |
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