Simultaneous cranioplasty and ventriculoperitoneal shunt placement in patients with traumatic brain injury undergoing unilateral decompressive craniectomy
2020
Abstract Hydrocephalus is a common complication after decompressive craniectomy (DC) in patients with traumatic brain injury (TBI). However, the strategy of managing TBI patients with a cranial defect and hydrocephalus remains controversial. Placement of a ventriculoperitoneal shunt (VPS) in patients with a cranial defect and hydrocephalus may aggravate sinking skin flap overlying the cranial defect and result in syndrome of sinking skin flap (SSSF) that causes neurological deterioration. A retrospective analysis of 49 TBI patients who developed hydrocephalus after unilateral DC was undertaken to investigate the safety of simultaneous cranioplasty and VPS placement, and the incidence of SSSF after VPS placement. Among these patients, 17 patients underwent simultaneous cranioplasty and VPS placement, and 32 patients underwent staged cranioplasty and VPS placement. The overall complication rate was 9.3% (3/32) in staged group and 29.4% (5/17) in simultaneous group, respectively. There was no statistically significance between two study groups regarding overall complication (p = 0.11) and reoperation rate (p = 0.47). Two patients with severe brain bulging in staged group developed SSSF after placement of a nonprogrammable VPS. Our study showed that simultaneous cranioplasty and VPS placement may be safe in TBI patients with a cranial defect and hydrocephalus. However, due to the contradictory results about the safety of simultaneous cranioplasty and VPS placement in the literatures, neurosurgeons should carefully consider whether patients are suitable for such treatment. In patients planning to undergo VPS placement first, a programmable shunt may be a better choice for the possibility of SSSF after shunt placement.
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