My wife had scope surgery done on her hip (2

Patient: My wife had scope surgery done on her hip (2 weeks ago), on the tip of her toe of that leg in which the hip is connected she has discolouration that is not regaining it’s colour. Before the foot has become blue to black and upon elevation (above heart, laying down) it restored colour. One toes has not, felt cold and hurt to touch it … please advise, thank you.

Doctor: