Of course it is a major operation and an important check-up is to be carried out before surgery.
A blood test for a complete check-up is necessary. (blood test)
A urine test for infection is carried out.
A visit by a cardiologist is essential, (cardio visit) an electrocardiogram and a complete check-up must be carried out with sometimes additional examinations.
The visit of the anaesthetist doctor: this visit is essential in addition to the information specific to your case, you will be able to obtain answers to your questions concerning the anaesthesia which will be proposed to you (either general anaesthesia or locoregional anaesthesia) (the CS of anaesthesia).
A visit to a dentist is also necessary: his or her aim is to look for a dental infection that you may not be aware of. A dental panoramic X-ray is necessary.
As you may have noticed, an operation on the knee is not a simple formality, all these check-ups are necessary in order to offer you an operation in the best possible conditions and with the lowest possible complication rate.