Recognition and Differentiation of Dural Puncture Click Sensation: A Subjective and Objective Prospective Study of Dural Puncture Forces Using Fine-Gauge Spinal Needles
Abstract:Background: We hypothesized that the click perceived when puncturing the dura-arachnoid with fine-gauge spinal needles can be subjectively identified, and investigated whether it may be distinguishable among different needle types.
Methods: Subjective and objective evaluations were performed. First, physicians punctured the polyamide film or porcine dura mater (n=70 and n=20, respectively) with seven types of spinal needles and numerically evaluated the perceived click sensations. Using an 11-point numerical… Show more
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