Nasoseptal Flap Closure of Traumatic Cerebrospinal Fluid Leaks


The vascularized nasoseptal flap has become a principal reconstructive technique for the closure of endonasal skull base surgery defects. Despite its potential utility, there has been no report describing the use of the modern nasoseptal flap to repair traumatic cerebrospinal fluid (CSF) leaks and documenting the outcomes of this application. Specific concerns in skull base trauma include septal trauma with disruption of the flap pedicle, multiple leak sites, and issues surrounding persistent leaks after traumatic craniotomy. We performed a retrospective case series review of 14 patients who underwent nasoseptal flap closure of traumatic CSF leaks in a tertiary academic hospital. Main outcome measures include analysis of clinical outcome data. Defect etiology was motor vehicle collision in eight patients (57%), prior sinus surgery in four (29%), and assault in two (14%). At the time of nasoseptal flap repair, four patients had failed prior avascular grafts and two had previously undergone craniotomies for repair. Follow-up data were available for all patients (mean, 10 months). The overall success rate was 100% (no leaks), with 100% defect coverage. The nasoseptal flap is a versatile and reliable local reconstructive technique for ventral base traumatic defects, with a 100% CSF leak repair rate in this series

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This paper was published in PubMed Central.

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