Novel Technique of Percutaneous Fat Graft for Repair of Persistent Large Pseudomeningocele.

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Novel Technique of Percutaneous Fat Graft for Repair of Persistent Large Pseudomeningocele.

World Neurosurg. 2017 Oct;106:1055.e13-1055.e17

Authors: Santangelo G, Schmidt T, Gonzalez M, Westesson PL, Silberstein H

Abstract
BACKGROUND: Pseudomeningocele is an uncommon but problematic complication in lumbar spine surgery. Initial conservative measures frequently are successful, but persistence requires additional management. The current surgical approach can involve a range of techniques, including blood patches, hydrogel/fibrin sealants, drains, open surgical repair of the dura, or a combination of the all techniques if symptoms persist. This report demonstrates a novel technique for repair via a percutaneous approach to deliver an autologous fat graft into the pseudomeningocele.
CASE DESCRIPTION: A 64-year-old woman with a history of multiple complex lumbar spinal surgeries with previous durotomy had persistent positional headaches from an unresolved pseudomeningocele from L3 to L5. The defect and symptoms remained after all available surgical options were exhausted, including blood patches, hydrogel sealants (Duraseal), and open surgical repair with muscle and Gelfoam grafts. After autologous fat harvest, the patient underwent percutaneous repair of the pseudomeningocele with simultaneous aspiration of cerebrospinal fluid and injection of fat into the defect space.
CONCLUSIONS: At 3 months postoperatively, the patient's symptoms were resolved with no clinical or radiographic findings of nerve root or thecal sac impingement and complete obliteration of the pseudomeningocele. This less-invasive approach offers the option of open surgical repair for persistent pseudomeningocele with the use of autologous graft material.

PMID: 28736354 [PubMed - in process]

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