Abstract
The most frequent complication of lumbar puncture is post lumbar puncture headache (PLPH). Recent studies confirmed that the use of atraumatic spinal needles significantly reduces the risk of PLPH. However, the majority of neurologists still use traumatic needles, possibly caused by misconceptions and beliefs about practical performance of atraumatic spinal needles. Therefore, we investigated the practical characteristics of atraumatic and traumatic spinal needles. An experimental setup with a fluid column was used with (1) a physiological NaCl 0.9 % solution and (2) a high protein content solution. Flow rates and duration of pressure measurements were measured using a traumatic needle and an atraumatic needle. The average flow rate differed less than 10 % between the two needle types with NaCl solution, and for the high protein solution the difference was even smaller. Time taken to perform accurate pressure measurements did not differ between the two needle types using NaCl 0.9 %, and was even slightly shorter for the atraumatic needle when using the high protein solution. Average flow rates and duration of pressure measurements are comparable between atraumatic spinal needles and traumatic needles. Therefore, these performance characteristics are no reason to favor traumatic needles over atraumatic needles.
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Conflict of interest
Dr. Pelzer reports support for conference visits from Menarini and Allergan UK. T. J. S. Bekooij reports no disclosures. Dr. Vandersteene reports no disclosures. Dr. Schoonman reports no disclosures. Dr. Wirtz reports no disclosures. Dr. Vanopdenbosch reports consultancy and travel support from Teva, Biogen, Novartis, Merck Serono, UCB, Sanofi, Genzyme. Dr. Koppen reports consultancy or travel support from Allergan, Pfizer and Menarini.
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N. Pelzer and J. Vandersteene share first authorship.
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Pelzer, N., Vandersteene, J., Bekooij, T.J.S. et al. Are atraumatic spinal needles as efficient as traumatic needles for lumbar puncture?. Neurol Sci 35, 1997–1999 (2014). https://doi.org/10.1007/s10072-014-1924-0
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DOI: https://doi.org/10.1007/s10072-014-1924-0