ArticleNeurosurgery practice2024
Endoscopic Repair of Cerebrospinal Fluid Leak.
Article in Neurosurgery practice, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
background and importanceThe evolution of endoscopic techniques in spine has allowed novel approaches to various pathologies. We describe the use of endoscopy for repair of refractory cerebrospinal fluid (CSF) leak after lumbar puncture (LP). CLINICAL PRESENTATION: A 31-year-old female presented with refractory postural headaches after undergoing LP. The patient underwent 4 total epidural blood patches (EBPs) with minimal symptomatic relief. The LP opening pressure was found to be 18 cm of water, inconsistent with underlying pseudotumor cerebri. A myelogram demonstrated persistent CSF leak and contrast accumulation within the dorsal epidural space at L2-3. Endoscopic exploration was ultimately performed, which demonstrated well-placed EBPs; however, continuous CSF egressed from a pinhole site. This was repaired with coagulation using a radiofrequency probe, DuraSeal (Integra LifeSciences) and DuraGen (Integra LifeSciences). Postoperatively, the patient noted resolution of debilitating intracranial hypotension symptoms and was able to return to work.
conclusionPostdural puncture headaches occur in about 1/3 of patients after LP. Symptoms are often debilitating and can include nausea, neck pain, dizziness, tinnitus, visual changes, and hearing loss. Multiple pharmacological and invasive treatments, such as EBP, have been used historically with success, but Postdural puncture headaches refractory to these interventions can put patients at risk for serious complications including seizures and subdural hematomas. We present the first reported case of an endoscopic approach to repair refractory CSF leak in the lumbar spine. Our approach highlights the potential of minimally invasive endoscopic techniques in the repair of refractory CSF leak from the puncture site after LP.
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