64 yo Male for Orif Wrist fracture

- COPD - home O2 24/7 RA sats 90%, 98% with supplemental; exertional SOB - moderate improvement with nebulizer
- Wrist in splint 30 post injury with c/o numbness/tingling ulnar &median distribution; pain following radial distribution on wrist and thumb
- chronic pain state on MS contin
- ROS - otherwise Neg

Is a PNB indicated - why and why not.....what would convice you to proceed with a PNB?