Group A (sheath incised) |
n = 35
|
n = 26
|
Initial 14 patients (no mucosal graft) |
• Intraoperative transient CSF leak |
1 |
1 |
• Immediate postoperative CSF leak |
1 |
1 |
• Delayed CSF leak (complicated by meningitis) |
1 |
1 |
Subsequent 21 patients (Valsalva maneuver & prophylactic mucosal graft if required) |
• CSF leak |
— |
— |
• Transient decrease in vision |
1 |
1 |
• Secondary hemorrhage/epistaxis |
1 |
— |
• Incomplete posterior decompression |
1 |
1 |
Group B (sheath not incised) |
n = 22
|
n = 18
|
• Transient decrease in vision |
1 |
1 |
• Intraoperative bleeding (not related to ICA) |
1 |
1 |
• Incomplete posterior decompression |
3 |
1 |