This study aimed to compare the efficacy of the decompression and drainage seton (DADS) and cutting seton (CS) in the treatment of high complex anal fistula.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
120
Incision the internal sphincter over the fistula tract in intersphinteric space to achieve decompression then drainage seton will be put around external sphincter.
Cutting seton is introduced from outside openning to internal openning and encircling the internal and external anal sphincter.
China-Japan friendship Hospital
Beijing, Beijing Municipality, China
Rate of healing
complete healing was defined as complete epithelialization of the wound, with no evidence of external fistula opening or perianal discharge under physical examination.
Time frame: 6 months post-operation.
Recurrence rate
recurrence was defined as the clinical reappearance of the fistula after complete healing, removal or fall-off of seton
Time frame: within 12 months after the procedure
The healing time of the anal wound (days)
the time needed to achieve complete healing of anal fistula.
Time frame: 6 months post-operation.
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