The Impact of Spinal Needle Selection on Postdural Puncture Headache: A Meta-Analysis and Metaregression of Randomized Studies

Andres Zorrilla-Vaca, Vineesh Mathur, Christopher L. Wu, Michael C. Grant

Research output: Contribution to journalArticle

Abstract

Background and Objectives: Potentially broadened indications for spinal anesthesia require increased understanding of the risk factors and prevention measures associated with postdural puncture headache (PDPH). This review is designed to examine the association between spinal needle characteristics and incidence of PDPH. Methods: Meta-analysis and metaregression was performed on randomized controlled trials to determine the effect of needle design and gauge on the incidence of PDPH after controlling for patient confounders such as age, sex, and year of publication. Results: Fifty-seven randomized controlled trials (n = 16416) were included in our analysis, of which 32 compared pencil-point design with cutting-needle design and 25 compared individual gauges of similar design. Pencil-point design was associated with a statistically significant reduction in incidence of PDPH (risk ratio, 0.41; 95% confidence interval, 0.31-0.54; P < 0.001; I2 = 29%) compared with cutting needles among studies that assessed both design types. Subgroup analysis among obstetric and nonobstetric procedures yielded similar results. After adjustment for significant covariates, metaregression analysis among all 57 included trials revealed a significant correlation between needle gauge and rate of PDPH among cutting needles (slope = -2.65, P < 0.001), but not pencil-point needles (slope = -0.01, P = 0.819). Conclusions: Pencil-point needles are associated with significantly lower incidence of PDPH compared with the cutting-needle design. Whereas a significant relationship was noted between needle gauge and PDPH for cutting-needle design, a similar association was not shown for pencil-point needles. Providers may consider selection of larger-caliber pencil-point needle to maximize technical proficiency without expensing increased rates of PDPH.

Original languageEnglish (US)
Pages (from-to)502-508
Number of pages7
JournalRegional Anesthesia and Pain Medicine
Volume43
Issue number5
DOIs
StatePublished - Jul 1 2018

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Post-Dural Puncture Headache
Needles
Meta-Analysis
Incidence
Randomized Controlled Trials
Spinal Anesthesia

ASJC Scopus subject areas

  • Anesthesiology and Pain Medicine

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The Impact of Spinal Needle Selection on Postdural Puncture Headache : A Meta-Analysis and Metaregression of Randomized Studies. / Zorrilla-Vaca, Andres; Mathur, Vineesh; Wu, Christopher L.; Grant, Michael C.

In: Regional Anesthesia and Pain Medicine, Vol. 43, No. 5, 01.07.2018, p. 502-508.

Research output: Contribution to journalArticle

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