Summary:
The reasons for transcranial operative revision of anterior cranial fossa are cerebrospinal fluid (CSF) leakage, pneumocephalus,
recurrent meningitis and eventually other causes. The trauma is the most common etiology of previously mentioned pathologic
statuses, rarely it can also be long-lasting intracranial hypertension.
We retrospectively analyzed our 61 patients, operatively treated at Department of Neurosurgery in Brno-Bohunice between
1997 and 2005, at whom the cranionasal communication must have been treated by means of transcranial neurosurgical
repair of anterior fossa skull base. Each year approximately 10–15 operations of this kind were performed. The main goal of
operative solution was the water-tight closure of dural defect and cranial base by means of direct dural suture duroplasty with
periostal flap, fascial flap or other graft. Each case solution was dependent on actual operative appearance of the operative field.
The majority of transcranial repairs of frontal cerebral fossas were performed acutely as a part of frontobasal injury operation
with haematoma, calvar impressive fractures and open cerebral injury. The minority of repairs is formed by elective operations
for posttraumatic rhinnorhea and meningitis. In our announcement we also mention possible conservative treatment.
Key words:
liquorhea – cranionasal communication – skull base
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