Large Compressive Pseudomeningocele Causing Early Major Neurologic Deficit After Spinal Surgery.

Global Spine J 2017 May 16;7(3):206-212. Epub 2017 Jun 16.

University of Rochester, Rochester, NY, USA.

Study Design: Retrospective review.

Objectives: Large compressive pseudomeningocele causing a major neurologic deficit is a very rare complication that is not well described in the existing literature.

Methods: Institutional review board consent was obtained to study 2552 consecutive extradural spinal surgical cases performed by a single senior spinal surgeon during a 10-year period. The surgeon's database for the decade was retrospectively reviewed and 3 cases involving postoperative major neurologic deficits caused by large compressive pseudomeningocele were identified.

Results: The incidence of postoperative compressive pseudomeningocele causing major neurologic deficit was 0.12% (3/2552) per decade of spinal surgery with approximately 1.3% of cases incurring incidental durotomy. Average age of the patients was 57 years (range 45-78). One patient had posterior cervical spine surgery, and 2 patients had posterior lumbar surgery. All 3 patients had intraoperative incidental durotomy repaired during their index procedure. Large compressive pseudomeningocele causing major neurologic deficit occurred in the early 2-week postoperative period in all patients and was clearly identified on postoperative magnetic resonance imaging. All 3 patients were treated with emergent decompression and repair of the dural defect. All patients recovered neurologic function after revision surgery.

Conclusions: Incidental durotomy and repair causing a large compressive pseudomeningocele after spine surgery is a rare and potentially devastating event. Early postoperative magnetic resonance imaging assists in the diagnosis. Emergent decompression combined with revision dural repair surgery may result in improved outcomes. Surgeons should be cognizant of this rare cause of early postoperative major neurologic deficit in patients who had previous dural repair.

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Source
http://dx.doi.org/10.1177/2192568217694145DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5476350PMC
May 2017
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