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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.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| group 1 | Active Comparator | superior hypogastric plexus block |
|
| group 2 | Active Comparator | pulsed radiofrequency at S3 nerve root + superior hypogastric plexus block |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| superior hypogastric plexus block | Procedure | superior hypogastric plexus chemical neurolysis |
| |
| Measure | Description | Time Frame |
|---|---|---|
| pain intensity | Visual Analogue Scale post-procedure | from 30 min. after procedure to 2 months after it |
| Measure | Description | Time Frame |
|---|---|---|
| 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 | during the block procedure and within the first 24 hours after the block |
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Inclusion Criteria:
Exclusion Criteria:
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| ID | Term |
|---|---|
| D000072716 | Cancer Pain |
| D059350 | Chronic Pain |
| ID | Term |
|---|---|
| D010146 | Pain |
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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double-blinded
| pulsed radiofrequency at S3 root plus superior hypogastric plexus block |
| Procedure |
pulsed radiofrequency neuromodulation at S3 root plus superior hypogastric plexus chemical neurolysis |
|
| procedure time |
The time required to perform the block |
| during the block procedure |
| Total oral analgesic consumption | total MST consumption | in the first 24 hours after procedures and at 1,2,4 weeks and 2 months visits after it |