Dexmedetomidine Infusion and Postoperative Lung Aeration After Thoracic Surgery

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This will be a randomized, placebo-controlled, double-blinded, pilot trial with two parallel groups (1:1 ratio) receiving either dexmedetomidine (initial bolus of 1 mcg/kg over 30 min after induction, followed by an infusion rate of 0.3 mcg/kg/hr that will be stopped 30-45 minutes before the end of the surgery or upon reaching maximum dose of 2mcg/kg, whichever comes first) or placebo (normal saline as a bolus followed by maintenance infusion at the same rate of the intervention group). Dexmedetomidine is frequently administered in thoracic surgery. Using local data from the Brigham and Women's Hospital, dexmedetomidine was used in a third of the thoracic procedures performed over the past three years. However, there is no consensus as to the optimal protocol of administration, therefore clinical practice is highly heterogeneous (bolus versus continuous infusion) and mostly depends on the preferences of anesthesia providers. In our institution, the dose of dexmedetomidine is typically 0.5 mcg/kg but varies based on attending preferences and experience. Given the heterogenous practices in dexmedetomidine administration, one of the objectives is to assess the feasibility of adhering to a dexmedetomidine protocol using an initial loading dose of 1 mcg/kg over 30 minutes after induction followed by a continuous infusion of 0.3 mcg/kg/hr. The infusion will stop 30-45 minutes prior to the end of surgery or once a maximum dose of 2mcg/kg has been achieved, whichever comes first. The control group will receive normal saline (similar bolus followed by maintenance infusion at the same rate of the intervention group).

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Last update posted Nov 20, 2025 · Synced Sep 10, 2026

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