ArticleFrontiers in neurology
Standardized single-burr-hole aspiration-irrigation with drainage is associated with lower early recurrence in chronic subdural hematoma.
Article in Frontiers in neurology. 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
Background: Recurrence after burr-hole evacuation for chronic subdural hematoma (cSDH) remains clinically relevant, and modifiable operative details may influence early failure. We evaluated a standardized single-burr-hole aspiration-irrigation with drainage (SBAID) workflow incorporating high-point burr-hole positioning (Wei's point), active aspiration-irrigation, air elimination, and frontal-directed drainage, hypothesizing that improved early cavity-air dynamics would translate into fewer early reoperations. Methods: In this single-center retrospective cohort study, we included consecutive adults with symptomatic, imaging-confirmed cSDH treated with single-burr-hole evacuation and closed drainage between November 2016 and December 2024. Patients underwent SBAID or conventional single-burr-hole irrigation and drainage (SBID). The primary outcome was recurrence requiring reoperation within 60 days. Secondary outcomes included operative duration, length of stay, postoperative complications, and quantitative imaging markers of early postoperative cavity-air burden (48-h residual subdural space and pneumocephalus volumes, and ~30-day residual cavity volume). Multivariable logistic regression and propensity score-based sensitivity analyses were performed. Results: Among 186 patients (SBAID, Conclusions: In this single-center retrospective cohort, SBAID was associated with lower early reoperation-defined recurrence and reduced postoperative cavity-air burden vs. conventional SBID.
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