Regional anesthesia

Association between perioperative neuraxial local anesthetic neurotoxicity and arachnoiditis: a narrative review of published reports

Reg Anesth Pain MedPublished Narrative review of published reports

Authors' conclusion

The existing literature attributing arachnoiditis to local anesthetic neurotoxicity is largely outdated, incomplete, and/or confounded by other potential causes, and thus insufficient to characterize the features and strength of any association.

Study context

Population
Published reports of arachnoiditis attributed to local anesthetic neurotoxicity after perioperative neuraxial anesthesia, up to December 202238 articles
Participants
130 participants
Outcome
Characteristics of published reports of arachnoiditis attributed to neuraxial local anesthetic neurotoxicity
Methodological detailssystematic search methodology
  • Systematic search methodology

Main finding

As reported in the abstract

Articles included
38
Patients
130
Articles published prior to this century (inconsistent with modern practice)
over one-half
Epidurals
78
Spinals
48
Combined spinal-epidurals
5
Complicated needle/catheter insertion (paresthesia, pain or multiple attempts), irrespective of technique
at least 57%
Onset of neurological symptoms after neuraxial blockade
immediate to 8 years

Original publication

Association between perioperative neuraxial local anesthetic neurotoxicity and arachnoiditis: a narrative review of published reports. Reg Anesth Pain Med. Published 30 November 2023. doi:10.1136/rapm-2023-104941

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