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Comparative Efficacy of Nerve Blocks for Post-Operative Analgesia Following Robot-Assisted Prostatectomy: A
Shivam S Shah1, Coplen D Johnson1, Cameron A Howe1
1School of Medicine, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA, 71103, USA.
Current Pain and Headache Reports
|December 1, 2025
Summary
Regional anesthesia, including nerve blocks, effectively manages post-operative pain after robot-assisted prostatectomy (RAP), reducing opioid reliance. Intrathecal morphine showed the greatest pain reduction, but other blocks offer balanced analgesia and safety.
Area of Science:
- Anesthesiology
- Pain Management
- Surgical Recovery
Background:
- Robot-assisted prostatectomy (RAP) frequently causes significant post-operative pain.
- Opioid analgesics are standard but carry risks like side effects and dependence.
- Regional anesthesia, particularly nerve blocks, is explored to mitigate these issues.
Purpose of the Study:
- To systematically review and compare the effectiveness of various nerve block techniques for post-operative pain control after RAP.
- To assess the impact of different regional anesthesia methods on opioid consumption and adverse effects.
Main Methods:
- A systematic review of randomized controlled trials (RCTs) was performed.
- Studies compared nerve blocks against standard care or other regional anesthesia techniques.
- Primary outcomes included pain scores, opioid consumption, recovery metrics, and adverse events.
Main Results:
- Eight RCTs with 696 participants were analyzed.
- Intrathecal morphine provided the most significant pain and opioid reduction, with increased side effects.
- Erector spinae plane blocks (ESPB) and rectus sheath blocks (RSB) offered a good balance of pain relief and safety.
- Quadratus lumborum blocks (QLB) and pudendal nerve blocks (PNB) were effective in multimodal protocols.
- Transversus abdominis plane blocks (TAPB) and caudal blocks showed limited opioid-sparing effects.
Conclusions:
- Regional anesthesia techniques enhance post-operative pain management and decrease opioid use following RAP.
- Individualized, multimodal approaches incorporating nerve blocks are recommended.
- Further large-scale, head-to-head trials are necessary to determine optimal nerve block selection for RAP.
