Osteoarthritis can be understood as wear of the articular cartilage. At the hip, this leads to pain and restricted movement due to overload and joint inflammation.
Only if all non-surgical measures do no longer help and your quality of life is restricted, the surgical replacement of the joint with an arthroplasty is a good option for regaining mobility and increasing quality of life. Even if this is a standardized and frequently performed procedure, there are many things to consider in advance.
Since there is a real flood of different surgical techniques and different implants, I would like to explain why the AMIS approach should be your first choice.