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. 2016 Nov 21;5(1):1994.
doi: 10.1186/s40064-016-3673-4. eCollection 2016.

Clinical analysis on 430 cases of infantile purulent meningitis

Zhihui He  1 , Xiujuan Li  1 , Li Jiang  1
Affiliations

Clinical analysis on 430 cases of infantile purulent meningitis

Zhihui He et al. Springerplus. .

Abstract

Background: Purulent meningitis (PM) usually caused by a variety of pyogenic infection, is a kind of central nervous system infectious disease mostly common in children. It is easily misdiagnosed and its symptoms are varied. Excessive application of broad-spectrum antibiotics results in increased sickness and death of infants and young children. In this study, clinical data of 430 cases of PM in infants were analyzed to summarize the clinical experiences so as to achieve early diagnosis and early treatment of PM.

Results: Male-to-female ratio was 1.61:1, and the median age of incidence was 0.42 years. May was the modal month of onset (11.7%). Main clinical manifestations were fever (89.3%), vomiting (67.2%), mental fatigue (62.1%), anterior fontanelle full/bulging/high tension (54.2%), convulsion (52.6%), and meningeal irritation sign (24.7%). Cerebrospinal fluid (CSF) bacterial culture was done for 420 cases, of which 1.2% cases were positive. Blood culture was done for 146 cases of which 15.1% were positive. 175 (40.7%) cases had complications, among which 133 cases (76.0%) were subdural effusion, 21 cases (12.0%) were epilepsy.

Conclusion: Infantile PM is common in Spring, and May is the modal month of onset. The CSF/blood pathogen detection rate is very low and it is difficult to find evidence of cause. Fever, vomiting, mental fatigue and anterior fontanelle full/bulging/high tension, convulsion are the main clinical manifestations on which diagnosis depends. For those children diagnosed as PM and still having recurrent fever and prominent anterior fontanelle after treatment, clinicians should consider the probability of subdural effusion and treat them with brain imaging test on time.

Keywords: Clinical manifestation; Diagnosis; Infantile purulent meningitis.

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Figures

Fig. 1
Fig. 1
The onset month distribution of 430 purulent meningitis. Spring is the season of the highest incidence and winter is the second highest. Cases in May were the most frequent (11.7%)
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