Dexmedetomidine Alleviates Postpartum Depressive Symptoms following Cesarean Section in Chinese Women: A Randomized Placebo-Controlled Study.

Objectives: Few studies have investigated the prophylactic efficacy of dexmedetomidine (DEX) in postpartum depressive symptoms (PDS). A randomized double-blind placebo-controlled trial was conducted to investigate whether the administration of DEX, immediately after delivery and for patient-controlled intravenous analgesia (PCIA), can attenuate PDS.

Methods: A total of 600 parturients scheduled for elective cesarean delivery under spinal anesthesia were randomly allocated into the control group (infusion with 0.

Tramadol combined with fentanyl in awake endotracheal intubation.

Objective: To explore the feasibility and dosage of tramadol combined with fentanyl in awake endotracheal intubation.

Methods: Using Dixon's up-and-down sequential design, the study enrolled patients from each of the 20-49, 50-60 and 70-and-above age groups scheduled for elective surgery under general anesthesia. The feasibility and dosage of tramadol combined with fentanyl in awake endotracheal intubation, guided by fiberoptic bronchoscopy, were verified.