Recognized and unrecognized dural punctures in 12,981 labor epidurals: an audit of management

Victoria A Eley, Wally Abeypala, Andrea Kelley, Nihal Kumta, Adrian Chin, Victoria A Eley, Wally Abeypala, Andrea Kelley, Nihal Kumta, Adrian Chin

Abstract

Purpose: Unintentional dural puncture (DP) and post-dural puncture headache (PDPH) continue to cause discomfort and disability in a small proportion of post-partum women. We report an audit of the management of recognized and unrecognized DP over 10 years.

Methods: Clinical data were prospectively collected for women who experienced a recognized DP or developed symptoms following a neuraxial procedure. Details were documented regarding patient characteristics, the neuraxial procedure, symptoms reported, and epidural blood patches. We reported rates of recognized DP, unrecognized DP, PDPH, and blood patches performed. Data were presented as number (percent) and proportions of interest compared using Chi square analysis.

Results: Between January 2009 and December 2018, 12,981 women utilized labor epidural analgesia. A recognized DP occurred in 131 (1.0%) and an unrecognized DP in 60 (0.5%), with unrecognized DPs comprising 31% of the total. Of 131 recognized punctures, 86 (66%) developed a PDPH. A total of 146 (1.1%) women experienced a PDPH. Of those, a blood patch was performed in 93 (64%). Intrathecal catheters were inserted for > 24 h in 43 (33%) women with a recognized DP. Of those, 33 (77%) developed a PDPH, compared to 53 (60%) of those without an intrathecal catheter in situ for > 24 h (P = 0.06).

Conclusions: Rates of DP were consistent with those reported by others. Unrecognized DP comprised a third of all DP, and systematic post-neuraxial follow-up is essential to identify these women. Epidural blood patch was performed in most women experiencing symptoms of PDPH.

Keywords: Dural puncture; Epidural blood patch; Labor analgesia; Obstetric; Post-dural puncture headache.

© 2022. Crown.

Figures

Fig. 1
Fig. 1
Management of women experiencing a recognized or unrecognized unintentional dural puncture (DP) following Tuohy needle insertion, Royal Brisbane and Women’s Hospital, January 2009- December 2018. CSE combined spinal-epidural

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