The investigators hypothesis that adding pulsed radiofrequency neuromodulation at S3 nerve root to superior hypogastric plexus chemical neurolysis improves analgesia in patients with chronic pelvic cancer pain.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
20
superior hypogastric plexus chemical neurolysis
pulsed radiofrequency neuromodulation at S3 root plus superior hypogastric plexus chemical neurolysis
pain intensity
Visual Analogue Scale post-procedure
Time frame: from 30 min. after procedure to 2 months after it
complications
including transient paresthesia, rectal puncture, vascular penetration of one of the pelvic vessels, hematoma, infection, dural puncture, bowel/bladder dysfunction, pain on injection, hypotension from the sympathetic block or any other complication
Time frame: during the block procedure and within the first 24 hours after the block
procedure time
The time required to perform the block
Time frame: during the block procedure
Total oral analgesic consumption
total MST consumption
Time frame: in the first 24 hours after procedures and at 1,2,4 weeks and 2 months visits after it
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