Background: Spinal cystic intradural Schwannoma is a type of tumor that is rarely found, with an incidence of 0.3– 0.5/100,000 person per year. The operative procedure for this tumor was simple. However, some patients showed other comorbidities, such as heart failure with low ejection fraction (EF) and atrial fibrillation. Such cases are a challenge to the anaesthesiologist as they are mos…