Predictors of repeat epidural blood patch for postdural puncture headache after labor epidural analgesia: a single-center retrospective cohort study (2014–2024)
Authors' conclusion
Early epidural blood patch administration (≤48 h) and shallow epidural space depth were independently associated with treatment failure.
Study context
- Population
- Obstetric patients receiving an epidural blood patch for PDPH after labor epidural analgesia, tertiary maternity center, 2014–2024
- Participants
- 142 patients
- Exposure
- Predictors of repeat vs single epidural blood patch
- Outcome
- Need for more than one epidural blood patch to achieve symptom resolution
Methodological detailssingle-centre, multivariable logistic regression
- Single-centre
- Multivariable logistic regression
Main finding
As reported in the abstract
Repeat epidural blood patch
Odds ratio (95 % CI)P value
Timing of first blood patch (per day delay)multivariable; earlier timing predicts repeat EBP
0.441(0.270–0.721)
P = 0.001Epidural space depth (per cm)multivariable; shallower depth predicts repeat EBP
0.687(0.493–0.958)
P = 0.027Each row per its own increment, as printed
- Required repeat epidural blood patch
- 39 (27.5 %)
Observational data: associations, not effects.
Further findings
Repeat EBP by timing of first EBP (sensitivity analysis)
| OR | |
|---|---|
| EBP within 24 hSignificantly higher failure rates | 4.740 |
| EBP within 48 hSignificantly higher failure rates | 3.689 |
Hospital LOS, repeat vs single EBP
- Median LOS repeat vs single EBP (days)
- 5 vs. 4
- P
- P < 0.001
Original publication
Predictors of repeat epidural blood patch for postdural puncture headache after labor epidural analgesia: a single-center retrospective cohort study (2014–2024). Int J Obstet Anesth. Published 4 September 2025. doi:10.
Composed by AI from the published abstract and checked against it. How Briefs are made →