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  • Title: Post-dural puncture headache in young adults: comparison of two small-gauge spinal catheters with different needle design.
    Author: Gosch UW, Hueppe M, Hallschmid M, Born J, Schmucker P, Meier T.
    Journal: Br J Anaesth; 2005 May; 94(5):657-61. PubMed ID: 15722381.
    Abstract:
    BACKGROUND: To reduce the risk of post-dural puncture headache (PDPH) in continuous spinal anaesthesia, small-gauge spinal catheter systems with different techniques of dural perforation have been developed. METHODS: Two systems, the catheter through-needle technique (MicroCatheter, Portex, UK) and the catheter over-needle technique (22G Spinocath, B. Braun, Germany), were used in 18 young healthy volunteers (age 18-30 yr), who were enrolled in a neuroendocrinological investigation for analysis of neuropeptides in cerebrospinal fluid (CSF). After intermittent sampling of CSF (17 x 0.5 ml over 4 h), the catheter was removed and the development of PDPH and pain intensity were documented prospectively by the subjects in a standardized headache assessment (11-point numerical rating scale [NRS]). RESULTS: The study revealed a high overall incidence of PDPH (78%) with no significant differences between groups (P=0.26). However, the over-needle group showed a significantly shorter duration of PDPH (2.4 [SD 2.3] vs 5.1 [3.1] days, P=0.050) and lower maximum pain intensity (3.1 [2.9] vs 7.3 [3.4] NRS, P=0.014) than the through-needle group. CONCLUSIONS: The results demonstrate a potential benefit of the catheter over-needle technique for the reduction of the duration and intensity of PDPH.
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