• Jiali Deng, Lizhong Wang, Yinfa Zhang, Xiangyang Chang, and Xingjie Ma.
• Department of Anesthesia, Jiaxing Maternity and Child Health Hospital, School of Medicine, Jiaxing University, Jiaxing, Zhejiang, China.
• Plos One. 2017 Jan 1; 12 (7): e0180504.

AbstractThis study aimed to determine whether insertion of an intrathecal catheter following accidental dural puncture (ADP) in obstetric patients can reduce the incidence of post-dural puncture headache (PDPH) and the requirement of a therapeutic epidural blood patch (TEBP). This was also compared with relocating the epidural catheter at a different vertebral interspace. A retrospective study was performed, as well as a meta-analysis of the literature to further validate our findings. We reviewed the records of 86 obstetric patients who suffered from ADP during epidural anesthesia or combined spinal-epidural anesthesia from October 2015 to November 2016 at our institution. Although, there was no significant decrease in the incidence of PDPH (P = 0.08), the requirement for a TEBP (P = 0.025) was significantly reduced in the intrathecal catheter group compared with the relocated group. In the meta-analysis, 13 eligible studies including 1044 obstetric patients were finally identified. To estimate the pooled risk ratios (RRs), fixed or random effect models were used depending on the heterogeneity. We initially found that an intrathecal catheter significantly reduced the incidence of PDPH (pooled RR = 0.823; 95% CI = 0.700-0.967; P = 0.018) and the requirement of a TEBP (pooled RR = 0.616; 95% CI = 0.443-0.855; P = 0.004). Our study shows that insertion of an intrathecal catheter following ADP might be an effective and dependable method for reducing the risk of a PDPH and requirement for a TEBP in obstetric patients.

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