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This study aimed to assess the impact of ultrasound (US)-guided nerve blocks (NBs) on anesthesia and their protective effect on pulmonary function (PF) in patients undergoing distal radius fracture (DRF) surgery. A total of 122 patients undergoing DRF surgery between April 2020 and June 2023 were included. According to the type of peripheral NB technique, these patients were randomized into a control group (CG; n = 60) receiving brachial plexus block (BPB) using blinded techniques, and an observation group (OG; n = 62) receiving US-guided supraclavicular BPB. Anesthetic effects, BPB-related indexes, adverse events, PF parameters (forced expiratory volume in 1 second, forced vital capacity, peak expiratory flow), and serum biochemical indexes (interleukin IL-6/10) were compared. The OG showed a relatively higher proportion of good anesthetic effects, shorter onset and completion times of block, and longer block duration compared to the CG, with a lower AE rate. Despite reductions in PF parameters and IL-10 levels after intervention, the OG maintained higher values than the CG. IL-6 levels increased significantly in the OG but remained lower than in the CG. In conclusion, US-guided NBs demonstrated significant anesthetic efficacy and apparently reduced anesthesia adverse events while also exerting a protective effect on PF in DRF surgery patients.
Hao et al. (Fri,) studied this question.