A Comparison of ESP Block to SSN Block for Analgesia in Shoulder Surgery

Suprascapular nerve block is considered a phrenic nerve sparing approach that recently introduced as alternative for interscalene brachial plexus nerve block in shoulder surgery. However, some researchers reported that Suprascapular nerve block alone results in an ineffective analgesia. Erector Spinae Plane block is supposed to be able in providing adequate analgesia in shoulder surgery