Performance and complications of lumbar puncture in memory clinics: Results of the multicenter lumbar puncture feasibility study.

Introduction: Lumbar puncture (LP) is increasingly performed in memory clinics. We investigated patient-acceptance of LP, incidence of and risk factors for post-LP complications in memory clinic populations.

Methods: We prospectively enrolled 3868 patients (50% women, age 66 ± 11 years, mini mental state examination 25 ± 5) at 23 memory clinics.