What if I have complications after returning to my home country?

One of my biggest concerns about getting surgery in Korea is what happens if I have complications after returning home. How do Korean clinics handle international patients who experience problems after leaving Korea? Do they offer virtual consultations for post-op issues? Has anyone actually dealt with complications from Korea surgery while in their home country? How did the clinic help? Should I find a local surgeon before traveling who can handle potential emergencies? I am planning rhinoplasty and want to be prepared for any scenario.