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  • Title: JOURNAL CLUB: Incidence of Complications Following Fluoroscopically Guided Lumbar Punctures and Myelograms.
    Author: Rodriguez D, Branstetter BF, Agarwal V, Palfey S, Ching KC, Bump GM, Hughes MA.
    Journal: AJR Am J Roentgenol; 2016 Jan; 206(1):20-5. PubMed ID: 26700333.
    Abstract:
    OBJECTIVE: Headaches due to CSF leak are a well-described complication of dural puncture. It is uncertain how long patients should be observed after dural puncture to reduce the risk of headache. Most of the literature has focused on dural punctures performed without fluoroscopic guidance. The purpose of this study was to determine the incidence of complications from fluoroscopically guided dural punctures, with attention to predictive factors such as the length of bed rest after the procedure. MATERIALS AND METHODS: We retrospectively reviewed 2141 fluoroscopically guided dural punctures performed over a 5-year period by a single radiology practitioner assistant. All patients were contacted 48-72 hours after the procedure to assess for complications. Complications were categorized according to whether the patient reported having severe headache (requiring epidural blood patch for treatment), any headache, or any complaint. Using a multivariate logistic regression model, we assessed several possible predictors of complication: patient age, patient sex, needle caliber, puncture site, distance driven after recovery, length of postprocedural bed rest, contrast concentration, and contrast volume. RESULTS: In all, 0.8% of patients reported having a severe headache, 2.2% reported having any headache, and 2.6% reported having any complaint. In the multivariate analysis, age and sex were predictive of complication rates (with younger women having higher rates), but the other variables were not predictive. In particular, length of postprocedural bed rest showed statistical equivalence. CONCLUSION: Fluoroscopically guided dural punctures result in few complications compared with lumbar punctures performed without fluoroscopic guidance. Postprocedural bed rest greater than 2 hours does not reduce complication rates for fluoroscopically guided lumbar punctures.
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