Vol 49, No 5 (2015)

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Sacral roots stimulation in chronic pelvic pain

Paweł Sokal1, Piotr Zieliński1, Marek Harat1
DOI: 10.1016/j.pjnns.2015.07.003
Neurol Neurochir Pol 2015;49(5):307-312.



Chronic pelvic pain is a syndrome of chronic non-malignant pain of multifactorial pathophysiology. Perineal, anal and coccygeal pain can be a form of failed-back surgery syndrome or complex regional pain syndrome. Apart from conservative treatment interventional methods are useful in this condition as neurolytic blocks or non-destructive neuromodulation procedures. Peripheral nerve, spinal cord stimulation or sacral stimulation can be applied.


We describe a minimally invasive method of sacral roots stimulation with percutaneous electrodes implanted through the sacral hiatus in the treatment of chronic pelvic pain.

Materials and methods

We evaluated a series of nine female patients with pelvic pain treated with sacral roots stimulation in regard of efficacy and complications of this method.


Short-term results in all patients were satisfactory with statistically significant improvement (median VAS=9 before surgery) (median VAS=2 after implantation, p=0.001), (median VAS=3 after 6 months, p=0.043). The long-term follow-up revealed less satisfactory result (median VAS=6 after 12 months). High incidence of complications was noted: mainly infection in 3/9 patients.


Sacral roots stimulation is a non-destructive and minimally invasive neuromodulation method in the treatment of chronic pelvic pain. It can be effective even in the long-term observation but special care is advised to secure aseptic conditions in the implantation and to prevent the infection which leads to removal of the stimulating system.

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Neurologia i Neurochirurgia Polska