Presacral neurectomy is one of the treatments for chronic pelvic pain and
dysmenorrhea
Dysmenorrhea, also known as period pain, painful periods or menstrual cramps, is pain during menstruation. Its usual onset occurs around the time that menstruation begins. Symptoms typically last less than three days. The pain is usually in the ...
. Lapraroscopic presacral neurectomy is an initial surgical intervention for chronic pelvic pain when medical therapy fails.
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Mechanism
The sensory pathways from the pelvic viscera pass through the
superior hypogastric plexus
The superior hypogastric plexus (in older texts, hypogastric plexus or presacral nerve) is a plexus of nerves situated on the vertebral bodies anterior to the bifurcation of the abdominal aorta.
Structure
From the plexus, sympathetic fibers are ca ...
and
inferior hypogastric plexus
The inferior hypogastric plexus (pelvic plexus in some texts) is a network () of nerves that supplies the organs of the pelvic cavity. The inferior hypogastric plexus gives rise to the prostatic plexus in males and the uterovaginal plexus in female ...
to the spinal columns. The excision of presacral nerve trunk results in the obstruction of the pain pathway from the hypogastric plexi to the spinal cord. Presacral neurectomy denervates the uterus and causes loss of some bladder sensation.
Efficacy
Presacral neurectomy is offered to patients for whom medical therapy for chronic pain relief has failed. The efficacy of the procedure is around 75-80%. Less than 1% of all patients have major complications following the surgery.
References
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Abdominal surgical procedures
Gynecological surgery
Pain management