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Minerva Anestesiologica 2018 March;84(3):363-77

DOI: 10.23736/S0375-9393.17.11920-6


lingua: Inglese

Epidemiology of septic meningitis associated with neuraxial anesthesia: a historical review and meta-analysis

Andres ZORRILLA-VACA 1, 2 , Ryan J. HEALY 1, Lucia RIVERA-LARA 1, Michael C. GRANT 1, Lisa L. MARAGAKIS 3, Kevin ESCANDÓN-VARGAS 2, Marek A. MIRSKI 1

1 Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA; 2 Faculty of Health, Universidad del Valle School of Medicine, Cali, Colombia; 3 Department of Hospital Epidemiology and Infection Control, Johns Hopkins University School of Medicine, Baltimore, MD, USA


INTRODUCTION: Neuraxial anesthesia in the form of spinal and epidural are two of the most frequent forms of regional anesthesia. We aimed to describe and compare the relevant epidemiological, clinical and microbiological characteristics of all reported cases of septic meningitis associated with the use of spinal and epidural anesthetics.
EVIDENCE ACQUISITION: We performed a systematic review of septic meningitis associated with neuraxial anesthesia. We included all relevant case-reports and observational studies in which authors described septic meningitis in association with spinal, epidural or combined neuraxial anesthesia using local anesthetics.
EVIDENCE SYNTHESIS: A total of 234 cases of septic meningitis were reported following review of 71 case-report articles and 22 epidemiological studies. In total, there have been 199, 25 and 10 reported cases of septic meningitis associated to spinal, epidural and combined neuraxial anesthesia, respectively. The lack of use of surgical masks was the most common risk factor (41, 16.7%). Streptococcus salivarius was the most common bacteria (17.0%) related to spinal anesthesia and Staphylococcus aureus (26.7%) was the most common one related to epidural. The time to symptom onset was significantly reduced in spinal (median time, 24 hours IQR [8-72] vs. 96 hours IQR [84-240]; P=0.003) compared to epidural anesthesia. The overall mortality rate is 15.3% and 13.3% for reported cases related to spinal and epidural anesthesia, respectively.
CONCLUSIONS: While the true incidence remains speculative, this review suggests that given increasing indications for spinals and epidurals, septic meningitis remains an important associated with neuraxial anesthesia.

KEY WORDS: Anesthesia, spinal - Anesthesia, epidural - Anesthesia, conduction - Anesthesiology - Meningitis - Infection

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