biofeedback

on what basis did he say the nerve is dead? it may not be receiving signals and working appropriately but I know for a fact there are neuro biofeedback centers for spinal cord inhuries and retraining the bowel muscles as well as specialized enema therapy for the same. You need to contact a good colorectal surgeon who may be able to guide you to this type of rehab they deal with it all the time. Neurologist may or may not be well informed on this topic once again you need a colorectal surgeon