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Coning may occur without lumbar puncture being done
| The first 150 words of the full text of this article appear below. |
EDITOR
Wylie et al do not give the ages of their 252 patients with
meningococcal disease, but their recommendation for fewer lumbar
punctures should be interpreted cautiously in children.1 Four deaths were attributed to lumbar puncture, which was done in 198 patients. Two patients deteriorated after lumbar puncture, and
postmortem examination showed brainstem herniation. Even when lumbar
puncture is not performed, however, patients with meningococcal disease
can deteriorate after admission and can cone secondary to raised
intracranial pressure. A causal relation in these two cases is not
proved.
In two patients antibiotic treatment was delayed because initial
examination of cerebrospinal fluid was normal. This is a criticism of
clinicians, not a risk of lumbar puncture. The risk of cerebrospinal
fluid initially giving false negative results and the difficulty of
diagnosing meningitis clinically in young children are both recognised.
If an ill child warrants a lumbar puncture then he or she should