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Competing Interests: The authors declare no conflicts of interest.

Background: Peripheral nerve blocks (PNBs) are used to provide postoperative analgesia after total mastectomy. PNBs improve patient satisfaction and decrease postoperative opioid use, nausea, and vomiting. Few studies have examined whether there is racial-ethnic disparity in the use of PNBs for patients having total mastectomy. We hypothesized that non-Hispanic Asian, non-Hispanic Black, non-Hispanic patients of other races, and Hispanic patients would be less likely to receive a PNB for postoperative analgesia compared to non-Hispanic White patients having total mastectomy. Secondarily, we hypothesized that PNBs would be associated with reduced odds of major complications after total mastectomy., Methods: We performed a retrospective cohort study using National Surgical Quality Improvement Program (NSQIP) data from 2015 to 2019. Patients were included if they underwent total mastectomy under general anesthesia. Unadjusted rates of PNB use were compared between race-ethnicity groups. Multivariable logistic regression was performed to determine whether race-ethnicity group was independently associated with receipt of a PNB for postoperative analgesia. Secondarily, we calculated crude and risk-adjusted odds ratios for major complications in patients who received a PNB., Results: There were 64,103 patients who underwent total mastectomy and 4704 (7.3%) received a PNB for postoperative analgesia. Patients who received a PNB were younger, more commonly women, were less likely to have diabetes and hypertension, and had less disseminated cancer (all P < .05). In our regression analysis, the odds of receiving a PNB differed significantly by race-ethnicity group (P < .001). Non-Hispanic Asian and non-Hispanic Black patients had reduced odds of receiving a PNB compared to non-Hispanic White patients (odds ratio [OR], 0.41; 95% confidence interval [CI], 0.33-0.49 and OR, 0.37 [0.32-0.44]), respectively. Non-Hispanic patients of other races, including American Indian, Alaskan Native, and Pacific Islander, also had reduced odds of receiving a PNB (OR, 0.73 [95% CI, 0.64-0.84]) compared to non-Hispanic White patients, as did Hispanic patients (OR, 0.62 [0.56-0.69]). Patients who received a PNB did not have reduced odds of major complications after mastectomy (crude OR, 0.83 [0.65-1.08]; P = .17 and adjusted OR, 0.85 [0.65-1.10]; P = .21)., Conclusions: Significant disparity exists in the use of PNBs for postoperative analgesia in patients of different race-ethnicity who undergo total mastectomy in the United States. Continued efforts are needed to better understand the causes of disparity and to ensure equitable access to PNBs., Competing Interests: The authors declare no conflicts of interest., (Copyright © 2022 International Anesthesia Research Society.)

Background: The pattern of perioperative use of personal electronic devices (PEDs) among anesthesia providers in the United States is unknown., Methods: We developed a 31-question anonymous survey of perioperative PED use that was sent to 813 anesthesiologists, anesthesiology residents, and certified registered nurse anesthetists at 3 sites within one health system. The electronic survey assessed patterns of PED use inside the operating room (OR), outside the OR, and observed in others. Questions were designed to explore the various purposes for PED use, the potential impact of specific hospital policies or awareness of medicolegal risk on PED use, and whether PED was a source of perioperative distraction., Results: The overall survey response rate was 36.8% (n = 299). With regard to often/frequent PED activity inside the OR, 24% reported texting, 5% reported talking on the phone, and 11% reported browsing on the Internet. With regard to often/frequent PED activity outside the OR, 88% reported texting, 26% reported talking on the phone, and 63% reported browsing the Internet. With regard to often/frequent PED activity observed in others, 52% reported others texting, 14% reported others talking on the phone, and 34% reported others browsing the Internet. Two percent of respondents self-reported a distraction compared to 15% who had observed a distraction in others. Eighty percent of respondents recognized PED as a potential distraction for patient safety., Conclusions: Our data reinforce that PED use is prevalent among anesthesia providers., Competing Interests: The authors declare no conflicts of interest., (Copyright © 2021 International Anesthesia Research Society.)