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Auditory function after lumbar puncture.

A Thussu1, A V Subrahmanyan1, S Prabhakar1

  • 1Department of Neurology, Postgraduate Institute of Medical Education and Research, Chandigarh - 160 012, India.

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Summary
This summary is machine-generated.

Lumbar puncture does not significantly affect hearing or auditory brainstem responses. Needle size (20G vs. 24G) also showed no impact on auditory function in this study.

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Area of Science:

  • Neurology
  • Audiology
  • Neurosurgery

Background:

  • Lumbar puncture is a common neurodiagnostic procedure.
  • Potential complications, including auditory changes, warrant investigation.

Purpose of the Study:

  • To assess hearing loss after lumbar puncture using audiometry.
  • To evaluate changes in brainstem auditory evoked responses (BAER).
  • To determine if spinal needle size influences auditory outcomes.

Main Methods:

  • Twenty patients undergoing lumbar puncture were randomized into two groups.
  • One group received a 20G needle, the other a 24G needle.
  • Audiometry and BAER studies were performed before and 24 hours post-procedure.

Main Results:

  • No statistically significant changes in hearing levels were observed post-lumbar puncture.
  • No significant alterations in BAER wave latencies were detected.
  • Comparison between 20G and 24G needle groups revealed no significant auditory differences.

Conclusions:

  • Lumbar puncture, regardless of needle size, does not appear to cause significant auditory impairment.
  • Spinal needle gauge does not influence auditory function following lumbar puncture.