ArticleActa neurochirurgica2023
Intraoperative application of triamcinolone - a risk factor for delayed CSF fistula formation?
Article in Acta neurochirurgica, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeCerebrospinal fluid (CSF) leaks are a well-known complication in spinal surgery, caused mostly by incidental durotomy (ID). However, delayed pseudomeningocele formation has been described in patients following an unremarkable surgery - without ID. Intraoperative and epidural triamcinolone application has been suspected to be a potential risk factor. This study was conducted to evaluate the management of ID and identify further risk factors for secondary CSF fistula formation.
methodsAfter obtaining approval from the institutional ethics committee, a total of about 5512 patients, who underwent spine surgery between January 2014 and December 2017, were retrospectively reviewed. Of those, 139 cases with intraoperative ID and 15 with delayed pseudomeningocele formation were extracted and analyzed to identify potential risk factors for a late presenting dural injury (LPDI).
resultsThe incidence of delayed CSF fistulas was 0.27%, with 15 patients presenting with a secondary symptomatic CSF fistula following an unremarkable surgery. Triamcinolone was identified as a risk factor (p<0.001) for pseudomeningocele formation with an OR of 11.5, as it was applied in 80.0% (n=12) of these cases. Revision surgery was performed at a mean period of 6 weeks after initial surgery.
conclusionIn our retrospective analysis, intraoperative application of triamcinolone was significantly associated with a high rate of delayed CSF fistulas. It should therefore be used with caution and only after weighing in potential negative side effects.
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