352
Participants
Start Date
October 31, 2023
Primary Completion Date
December 31, 2027
Study Completion Date
December 31, 2027
Posterior fossa decompression with duraplasty
The dura is opened sharply, exposing the cerebellar tonsils, brainstem, and upper spinal cord. After microsurgical dissection, the dura is sewn closed with a dural graft.
PFDD with tonsillar resection/reduction
The dura is opened sharply, exposing the cerebellar tonsils, brainstem, and upper spinal cord. Then herniated tonsil will be manipulated and adhesion was released. After microsurgical manipulated, the dura is sewn closed with a dural graft.
RECRUITING
Fengzeng Jian, Beijing
Xuanwu Hospital, Beijing
OTHER