The SIH-EBP Score: A grading scale to predict the response to the first epidural blood patch in spontaneous intracranial hypotension

Po Tso Lin, Yen Feng Wang*, Shu Shya Hseu, Jong Ling Fuh, Jiing Feng Lirng, Jr Wei Wu, Shu Ting Chen, Shih Pin Chen, Wei Ta Chen, Shuu Jiun Wang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Background: To develop and validate an easy-to-use scoring system to predict the response to the first epidural blood patching in patients with spontaneous intracranial hypotension. Methods: This study recruited consecutive patients with spontaneous intracranial hypotension receiving epidural blood patching in a tertiary medical center, which were chronologically divided into a derivation cohort and a validation cohort. In the derivation cohort, factors associated with the first epidural blood patching response were identified by using multivariable logistic regression modeling. A scoring system was developed, and the cutoff score was determined by using the receiver operating characteristic curve. The findings were verified in an independent validation cohort. Results: The study involved 280 patients in the derivation cohort and 78 patients in the validation cohort. The spontaneous intracranial hypotension-epidural blood patching score (range 0–5) included two clinical variables (sex and age) and two radiological variables (midbrain-pons angle and anterior epidural cerebrospinal fluid collections). A score of ≥3 was predictive of the first epidural blood patching response, which was consistent in the validation cohort. Overall, patients who scored ≥3 were more likely to respond to the first epidural blood patching (odds ratio = 10.3). Conclusion: For patients with spontaneous intracranial hypotension-epidural blood patching score ≥3, it is prudent to attempt at least one targeted epidural blood patching before considering more invasive interventions.

Original languageEnglish
JournalCephalalgia
Volume43
Issue number3
DOIs
StatePublished - Mar 2023

Keywords

  • SIH-EBP score
  • Spontaneous intracranial hypotension
  • cerebrospinal fluid leakage
  • epidural blood patch
  • heavily T2-weighted magnetic resonance myelography

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