• Sou Hyun Lee and Hyeji Han.
• Department of Anesthesiology and Pain Medicine, Dongsan Medical Center, Keimyung University School of Medicine, Daegu 42601, Republic of Korea.
• Medicina (Kaunas). 2023 Jul 5; 59 (7).

AbstractBackground: With the rising prevalence of obesity, anesthesiologists are expected to increasingly encounter patients with obesity, which poses challenges for anesthetic management. The use of remimazolam, an intravenous anesthetic agent approved in 2020, may be beneficial in these patients. However, its use in patients with super-super obesity remains underexplored. Case Description: A 55-year-old woman with a body mass index (BMI) of 60.6 kg/m2 and moderate obstructive sleep apnea (OSA) underwent laparoscopic sleeve gastrectomy under general anesthesia. The transnasal humidified rapid-insufflation ventilatory exchange (THRIVE) technique was used along with the administration of remimazolam at a rate of 6 mg/kg/h based on the total body weight. The patient was sedated within 125 s without any signs of hemodynamic instability, and the surgery was completed successfully. Conclusions: This case study demonstrates the potential effectiveness of remimazolam infusion for inducing general anesthesia in patients with super-super obesity. The infusion rate, derived from the total body weight, yielded an outcome comparable with that observed in individuals without obesity. Further studies with larger cohorts are required to confirm these findings.

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