CSF-Related Complications After Intradural Spinal Tumor Surgery: Utility of an Autologous Fat Graft.

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CSF-Related Complications After Intradural Spinal Tumor Surgery: Utility of an Autologous Fat Graft.

Med Arch. 2016 Dec;70(6):460-465

Authors: Arnautovic KI, Kovacevic M

Abstract
OBJECT: The incidence of cerebrospinal fluid (CSF)-related complications after intradural spinal tumor (IST) surgery is high and reported in up to 18% of patients. However, no efficient way to prevent those complications has been reported so far. Treating these complications may require prolonged bed rest, re-exploration, external lumbar drain, use of antibiotics, and possible precipitation of other complications. To alleviate the risk of CSF-related complications, we prospectively adopted the intraoperative use of autologous fat grafting after IST surgery.
METHODS: This is a perspective analysis of 37 cases (out of 40 cases series) that a prospective use of abdominal fat autograft was applied during dural closure. After the tumor was resected and the dura closed, we used the Valsalva maneuver to ensure watertight closure. CSF leak was prevented with the enforcement of suture with a fat autograft as necessary. In addition a thin layer of fat tissue was then placed over the dura to obliterate any dead space. Fibrin glue was then applied over the graft. Filling the dead space with the fat graft prevented a low-pressure space in which CSF could pool and form a pseudomeningocele.
RESULTS: After adopting the fat autograft technique, we did not observe any post-surgery CSF-related complications in any of these patients.
CONCLUSIONS: The prospective use of autologous fat grafting can ensure watertight dural closure and obliterate the dead space created during surgical exposure and bone removal. This technique significantly reduces, and may completely eliminate, postoperative CSF-related complications in patients with ISTs.

PMID: 28210022 [PubMed - in process]

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