Total Knee Replacement(TKR)is the increasing trend now a day,in revision surgery which is associated with aseptic loosening,which is a challenging research for the TKR component.The selection of optimal material loosening can be controlled at some limits.
Objective: To use the etiology list of abdominal pain to help identify acute abdominal pain. Methods: to design a list of causes of acute abdominal pain as per the concept of system thinking, determine the five differential diagnosis directions of “local