Highlights Ventricular arrhythmias can occur with concurrent use of azithromycin (AZM) and hydroxychloroquine (HCQ). Combination therapy with HCQ+AZM can reduce the hospital length of stay in COVID-19 patients. Preparatory risk assessment can limit the risk of arrhythmia in patients receiving HCQ+AZM combination therapy.

Background Observational studies have demonstrated improved outcomes in TBI patients receiving in-hospital betablockers. The aim of this study is to conduct a randomized controlled trial examining the effect of beta-blockers on outcomes in TBI patients. Methods Adult patients with severe TBI (intracranial AIS C 3) were included in the study. Hemodynamically stable patients at 24 h after injury were randomized to receive either 20 mg propranolol orally every 12 h up to 10 days or until discharge (BB?) or no propranolol (BB-). Outcomes of interest were in-hospital mortality and Glasgow Outcome Scale-Extended (GOS-E) score on discharge and at 6-month follow-up. Subgroup analysis including only isolated severe TBI (intracranial AIS C 3 with extracranial AIS B 2) was carried out. Poisson regression models were used. Results Two hundred nineteen randomized patients of whom 45% received BB were analyzed. There were no significant demographic or clinical differences between BB ? and BBcohorts. No significant difference in inhospital mortality (adj. IRR 0.6 [95% CI 0.3-1.4], p = 0.2) or long-term functional outcome was measured between the cohorts (p = 0.3). One hundred fifty-four patients suffered isolated severe TBI of whom 44% received BB. The BB ? group had significantly lower mortality relative to the BBgroup (18.6% vs. 4.4%, p = 0.012). On regression analysis, propranolol had a significant protective effect on in-hospital mortality (adj. IRR 0.32, p = 0.04) and functional outcome at 6-month follow-up (GOS-E C 5 adj. IRR 1.2, p = 0.02). Conclusion Propranolol decreases in-hospital mortality and improves long-term functional outcome in isolated severe TBI. This randomized trial speaks in favor of routine administration of beta-blocker therapy as part of a standardized neurointensive care protocol. Level of evidence Level II; therapeutic.

Intraoperative IV injection of 40 mg dexamethasone could effectively reduce postoperative radicular leg pain and narcotics usage in patients with single-level herniated lumbar disc.

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