Retrospective cohort study reveals a phenobarbital protocol is effective for alcohol withdrawal in intensive care patients, indicating a viable alternative to benzodiazepine therapy.
BACKGROUND: Benzodiazepine-based therapy for alcohol withdrawal is associated with agitation and respiratory depression. Treatment can be complicated by a need for adjunctive therapy to control these symptoms and in patients requiring mechanical ventilation. Strong evidence for the effectiveness of alternative treatment modalities is lacking, despite the availability of promising pharmacological agents such as phenobarbital. OBJECTIVE: To compare the standard of care for the treatment of alcohol withdrawal-a symptom-triggered benzodiazepine protocol used in conjunction with the revised Clinical Institute Withdrawal Assessment of Alcohol (CIWA-Ar) scale-with a phenobarbital protocol. METHODS: Retrospective cohort study conducted from January 2016 through June 2017 at a 42-bed medical intensive care unit in a private teaching hospital in Nashville, Tennessee. The primary outcome was intensive care unit length of stay. Secondary outcomes included hospital length of stay, incidence of invasive mechanical ventilation, and use of adjunctive pharmacotherapy. RESULTS: = .002). CONCLUSION: A phenobarbital protocol for the treatment of alcohol withdrawal is an effective alternative to the standard-of-care protocol of symptom-triggered benzodiazepine therapy.
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Tidwell et al. (2018) studied this question.
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