What are the risks of hernia surgery? The risks of hernia surgery depend on its location , the technique used or special circumstances . Cervical hernia A hernia of cervical location affects nerve roots that originate from the spinal cord or the spinal cord itself, so its manipulation may risk damaging them and cause serious neurological sequelae such as paresis, paralysis or paraplegia. Logically, the experience of the surgeon makes these risks are minimized. They are usually approached from the front by resecting the disc and hernia . In general, the disc is replaced by a prosthesis or fixation is made by means of interbody cages, associated or not with plates screwed to the vertebrae. The posterior route has occasional indications. The proximity of the recurrent nerve that supplies the vocal cords in the anterior approach makes it possible to injure it with aphonia as a sequel. The involvement of the nearby large vessels is exceptional, such as perforation of the esophagus,