Retrospective Evaluation of Patients with Upper ExtremityPeripheral Nerve Block

Abstract

Objectives: In this study, we aimed to examine the effect of US-guided periferic nerve stimulator (PNS) versus PNSalone during establishing ISBPB and ABPB on sensory block initiation (SNI), motor block initiation (MBI), total motorblock (TMB), and postoperative analgesia (PoAn) durations and related complications. Methods: Records of adult patients with ASA I-II patients who underwent upper extremity surgery under ISPBP (n=40)or ABPB (n=60) with PNS alone or ISBPB (n=40) or ABPB (n=60) with US-guided PNS between January 2016 and January2018 were collected. Results: Our study showed significantly shorter duration of SBI, MBI, TMB, and PoAn in patients who underwent ISBPBthrough PNS alone compared to that in those who underwent the procedure under US guidance. However, a studyinvestigating benefits of US reported duration of block initiation shorter than that in those receiving PNS alone. Conclusion: In conclusion, our study seems to indicate possible prevention of complications with US-guided proce dure with no substantial contribution to the success rate of the BP block.