Pericapsular nerve group (PENG) block: what have we learned in the last 5 years?
Laura Girón-Arango1, Philip Peng2
1Department of Anesthesia and Pain Management, Toronto Western Hospital, Univeristy of Toronto, Toronto, Ontario, Canada.
Regional Anesthesia and Pain Medicine
|May 9, 2024
Summary
The pericaspular nerve group (PENG) block offers insights into hip pain management. This article explores its mechanism, spread, and effectiveness for hip fractures and surgeries.
Area of Science:
- Anesthesiology
- Regional Anesthesia
- Pain Management
Background:
- The pericaspular nerve group (PENG) block is an innovative regional anesthesia technique.
- Understanding its mechanism and spread is crucial for optimizing its use.
- Potential side effects like quadriceps weakness require investigation.
Purpose of the Study:
- To elucidate the mechanism of action and spread patterns of the PENG block.
- To explore potential causes of post-PENG block quadriceps weakness.
- To review current evidence on the PENG block's efficacy in hip fracture and hip surgery analgesia.
Main Methods:
- Review of existing literature and anatomical studies.
- Analysis of case reports and clinical trials on PENG block.
- Discussion of plausible physiological explanations for observed effects.
Main Results:
- The PENG block targets multiple nerves around the hip capsule.
- Quadriceps weakness may result from spread to the femoral nerve.
- Emerging evidence supports PENG block for hip fracture and surgical pain.
Conclusions:
- The PENG block demonstrates a promising role in multimodal analgesia for hip conditions.
- Further research is needed to fully understand its neuroanatomical spread and optimize clinical application.
- The PENG block represents a significant advancement in regional anesthesia for hip interventions.
