The treatment that that the doctor is most likley to recommend is; Deep brain stimulation (DBS).
Obsessive–compulsive disorder (OCD) is defined as a mental disorder where people feel the need to check things repeatedly, perform certain routines repeatedly or have certain thoughts repeatedly.
Now, when someone has been suffering with ICD for several years without solution, the most likely solution would be Deep brain stimulation (DBS).
DBS is approved by the FDA to treat OCD in adults older than 18 years who don't respond to norma;l medications. This process of DBS involves implanting electrodes within certain areas of your brain.
Read more about obsessive-compulsive disorder at; https://brainly.com/question/19325518