%0 Case Reports %T A unique case of very low-dose subcutaneous ketamine use: Maintenance option of ketamine for treatment-resistant depression. %A Can AT %A Hermens DF %A Lagopoulos J %J Clin Case Rep %V 10 %N 12 %D Dec 2022 %M 36523376 暂无%R 10.1002/ccr3.6675 %X Numerous studies have demonstrated that low-dose subanesthetic intravenous ketamine infusion treatment leads to rapid improvement of treatment-resistant depression. The following case report describes the use of a very low-dose subcutaneous ketamine as a form of maintenance in a patient with severe treatment-resistant depression using a retrospective chart review.