Atraumatic needles for lumbar puncture: why haven't neurologists changed?

@article{Davis2015AtraumaticNF,
  title={Atraumatic needles for lumbar puncture: why haven't neurologists changed?},
  author={Angharad Davis and Ruth Dobson and Stefania Kaninia and Gavin Giovannoni and Klaus Schmierer},
  journal={Practical Neurology},
  year={2015},
  volume={16},
  pages={18 - 22}
}
Diagnostic lumbar puncture is a key procedure in neurology; however, it is commonly complicated by post-lumbar puncture headache. Atraumatic needle systems can dramatically reduce the incidence of this iatrogenic complication. However, only a minority of neurologists use such needles. In this paper, we discuss possible reasons why neurologists have not switched to new technology, looking more at diffusion of innovation rather than lack of evidence. We suggest ways to overcome this failure to… 
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References

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TLDR
Evidence suggests that using atraumatic needles for diagnostic LP (ATNLP) reduces risk of Post lumbar puncture headache (PLPHA), but clinicians in Europe and the USA routinely use traumatic needles fordiagnostic LP (TNLP).
Standard vs atraumatic Whitacre needle for diagnostic lumbar puncture: A randomized trial
TLDR
In order to define the impact of needle type on post-lumbar puncture headache (PLPH), a prospective, randomized trial comparing the incidence of PLPH in patients undergoing LPs with traumatic vs atraumatic 22-gauge needles was performed.
“Atraumatic” Sprotte needle reduces the incidence of post-lumbar puncture headaches
TLDR
Post-lumbar puncture headache (PLPH) is best explained by spinal fluid leakage due to delayed closure of a dural defect, and use of the “atraumatic” Sprotte needle for lumbary puncture is recommended.
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TLDR
This study prospectively compared traumatic (TN) vs. atraumatic 22G needles in hematologic patients undergoing LP to investigate the impact of needle type on post lumbar puncture headache (PLPH).
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TLDR
Average flow rates and duration of pressure measurements are comparable between atraumatic spinal needles and traumatic needles, and these performance characteristics are no reason to favor traumatic needles over atRAumatic needles.
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TLDR
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TLDR
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Background: The atraumatic needle is recommended over the cutting needle to prevent complications related to lumbar puncture and to reduce costs to the health care system. However, very few
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I applaud Dr. Tung's1 efforts in attempting to change her residents' practice with the goal of preventing postdural puncture headache (PDPH). Despite scientific evidence and institutional
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