Use of Preoperative Computed Tomography-Angiography in Cranial Remodeling: Technical Note

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Abstract

OBJECTIVE/IMPORTANCE:

One of the most severe complications of craniosynostosis repair is dural sinus laceration. Massive hemorrhage and air embolism are potentially life-threatening sequelae that can result from such an event. The aberrant anatomy of patients with craniosynostosis only accentuates this risk, because separation of the calvaria from the underlying dura is often performed without direct visualization of the sinuses.

METHODS:

Three-dimensional computed tomography was combined with computed tomographic angiography in the preoperative assessment of patients with craniofacial abnormalities.

RESULTS:

A clear understanding of the dural sinus anatomy in relation to the overlying bony landmarks became available to the operating surgeon. Six patients underwent this procedure, with excellent visualization of the bony and sinus anatomy achieved in all cases.

CONCLUSION:

It is thought, that the benefit of combining these procedures has been significant by allowing the visualization of the dural sinus anatomy and overlying bony landmarks. This procedure conveys minimal concomitant morbidity or expense to the patient, yet offers valuable insight toward operative planning and complication avoidance.

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