ArticleSpine deformity2023
Late-presenting dural leak following spine fusion in the pediatric population.
Article in Spine deformity, 2023. 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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8 authors at 2 institutions in 1 country.
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Abstract
purposeThe purpose is to describe how patients with a late-presenting dural leak (LPDL) after posterior spinal fusion (PSF) was diagnosed and treated at a single institution.
methodsOf the 1991 patients who underwent a PSF between 2010 and 2018, 6 patients were identified with a clinical course consistent with a potential LPDL.
resultsSix patients with median age 16.9 years had onset of headache ranging 1-12 weeks postoperatively (median 6.5 weeks). All six patients presented with positional headache, and half (3/6) presented with emesis. 5/6 patients underwent contrast brain MRI, which demonstrated pachymeningeal enhancement. 4/5 patients with dural enhancement went on to have CT myelogram. Five patients had a CT myelogram, which identified a dural leak in all patients and localized the leak in four of five patients. All patients underwent an epidural blood patch, which resolved the pain in five patients. One patient without relief underwent revision surgery with removal of a medially placed screw and fibrin glue placement resolving symptoms.
conclusionsPostoperative dural leaks associated with PSF may present in a delayed fashion. The majority of leaks were not associated with screw malposition. In diagnosing patients with suspected LPDL, we suggest brain MRI with contrast as a first step. Most patients with pachymeningeal enhancement shown on contrast brain MRI had dural leaks that were identified through CT myelograms. For patients with a dural leak, if there is no disruption from screws, a blood patch appears to be an effective treatment. LEVEL OF EVIDENCE: IV.
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