Sacral Neuromodulation: Device Improvement and Current Applications in Urology.

Area of Science:

• Urology
• Neurology
• Medical Devices

Background:

• Idiopathic overactive bladder (OAB) and non-obstructive urinary retention (NOR) affect patients unresponsive to conservative treatments.
• Sacral neuromodulation (SNM) provides a therapeutic option for refractory OAB and NOR.
• The precise mechanism of SNM involves modulating spinal cord reflexes and brain networks via peripheral afferents.

Purpose of the Study:

• To review the current applications and advancements in sacral neuromodulation for urological conditions.
• To highlight the efficacy of SNM in patients with overactive bladder and non-obstructing urinary retention.
• To discuss the evolving surgical techniques and device improvements in SNM therapy.

Main Methods:

• Percutaneous implantation of a quadripolar lead through the third sacral foramen (S3) under fluoroscopic guidance.
• Procedure performed under local or general anesthesia with patients in the prone position.
• Utilizes a two-stage implantation technique, a modern surgical approach.

Main Results:

• SNM is an effective treatment for patients with idiopathic OAB and NOR who have failed conservative therapies.
• Improvements in surgical techniques and device technology have expanded SNM applications.
• SNM is increasingly utilized for neurogenic lower urinary tract dysfunction.

Conclusions:

• Sacral neuromodulation is a valuable therapeutic option for various lower urinary tract dysfunctions.
• Advancements in SNM technology and surgical approaches enhance its clinical utility.
• SNM offers a viable solution for patients with refractory overactive bladder, urinary retention, and neurogenic bladder.