Purpose : To determine the reason why 79% of knee disarticulation amputees
had not received a prosthesis.
Method: A 10 year survey was carried out of all patients who had undergone
a knee disarticulation at our medical centre.
Results : Seventeen of the 37 patients that had not received a prosthesis w
ere recognized to be non- ambulators prior to the surgery. Four patients di
ed after the surgery and in 16 of the patients their general condition limi
ted functional ambulation. An effort had been made to ambulate the patients
but had failed.
Conclusions : From a biomechanical point of view many advantages are to be
gained for sedentary and bedridden amputees when the level of amputation is