Effects of epidural anesthesia in pheochromocytoma and paraganglioma surgeries: A protocol for systematic review and meta-analysis.

Currently, no published RCTs have yet assessed clinically relevant outcomes with respect to the application of epidural anesthesia during PPGLs surgeries. Well-designed RCTs should nonetheless be encouraged to properly assess the efficacy and safety of epidural anesthesia for PPGLs surgeries.