Headache rate and cost of care following lumbar puncture at a single tertiary care hospital

Headache rate and cost of care following lumbar puncture at a single tertiary care hospital

Background:

American Academy of Neurology guidelines recommend the use of noncutting needles because of lower rates of headache following lumbar puncture in randomized trials. We sought to determine the rate of headache using cutting needles and the potential cost savings of switching to noncutting needles.

Methods:

We retrospectively reviewed the charts of all patients who had a lumbar puncture in the outpatient neurology clinic at a single institution between January 2004 and December 2005. Outcome data included occurrence of headache, back pain, or epidural hematomas within 2 weeks of the procedure. Costs associated with the use of the current system were compared with the projected costs of switching to a noncutting needle system.

Results:

A total of 274 patients underwent lumbar puncture (62% women, mean age 53 ± 17 years, average weight 178 ± 43 pounds). Of these, 38 (14%) had a post–lumbar puncture headache. Eight patients (3%) reported back pain. No patients had an epidural hematoma. Twelve patients were admitted for a total of 18 hospital days, mainly for headache. Predictors of headache were younger age and no prior aspirin use. The rate of headache associated with the noncutting needle according to published literature is 4%. The estimated cost savings would have been approximately $20,000 per year (or approximately $73 per person).

Conclusions:

In this single-institution study, use of a noncutting needle would have potentially been associated with less adverse events and less cost. Further studies are warranted, including the possibility of premedication with aspirin.

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