Doctor is suggesting that Dialysis be done to get rid of the edema. I need a second opinion?

Age :70 years Gender : Female. Medical Conditions: Asthma and Congestive Heart Failure. Has Pacemaker.
In October 2016 was prescribed Prednisone to treat asthma. The prednisone caused severe edema(swelling) all over body. Doctor is suggesting that Dialysis be done to get rid of the edema. I need a second opinion. Will Dialysis get rid of the edema?Please advise.