OBJECTIVE: The primary objective of this study is to present an altern
ative technique to closure of anterior cranial fossa cerebrospinal flu
id (CSF) leaks. This study also serves to review our experience with o
ur technique and presents some technical ''tricks'' we have learned th
rough experience. METHODS: The design of this study is a clinical char
t review. The setting is an academic medical center. RESULTS: Eight pa
tients were referred for closure of postsurgical CSF leaks. Seven of e
ight patients underwent closure with one attempt and closure was achie
ved after a second attempt in one patient. Follow-up ranged from 1.5 t
o 4.0 years. There were no complications. No patient developed an acut
e or delayed episode of meningitis. CONCLUSION: The technique of endos
copic closure of a CSF leak is a safe and effective means for closure
of a postsurgical anterior cranial fossa CSF fistula when performed by
an experienced operator.