Risk factor Preventative measures Age greater than 65 years Preoperative cognitive impairment Screening with MMSE (helps assess risk) Severe illness or comorbidity Geriatric medicine comanagement/consultation, preoperative geriatric medical assessment, appropriate…
Complication Incidence (%) Prevention Surgical site infections 1.6–22.7 Preoperative medical optimization Prophylactic antibiotics Intraoperative sterility Glycemic control Chest infections Unknown Handwashing Early extubation and remobilization Avoidance of PPI Avoidance of…
Fig. 9.1 Intraoperative image of 4.5 screws being placed in medial tibial bone defect as “rebar” for cement Fig. 9.2 Intraoperative image of screws being placed level with tray in…
Primary Revision Total Knees 759,600 89,000 848,600 Hips 492,900 58,400 551,300 Total 1,252,500 147,400 1,399,900 Data from Orthopaedic Network News [1] The Triad: The Implant The Evolution of UHMWPE…
Fig. 14.1 x, y, and z axes. The three-dimensional universe can be plotted on the axes: x, y, and z. Considering that objects in space may either translate (move to…
Fig. 16.1 Stress X-ray indicating degree of medial opening in a painful TKA Classification System for Instability Parrate and Pagnano defined three types of instability after TKA—extension instability, flexion instability,…
Fig. 20.1 An AP radiograph of a previous HTO with nonunion, retained broken hardware, proximal tibial bone loss, and a sloping joint line The key issues that potentially influence the…
Fig. 11.1 The LE axes (from Pollice P, Lotke P, Lonner J. Principle of instrumentation and component alignment. In: The adult knee. Philadelphia: Lippincott, Williams & Wilkins; 2003. p. 1085–93,…
Fig. 12.1 Massively obese 70-year-old woman with early mechanical failure following TKA. Varus alignment of the tibial component contributed to mechanical overloading of the medial compartment Fig. 12.2 Proper alignment…
Fig. 28.1 A 70-year-old man with successful arthrodesis following failed two-stage reimplantation Advantages of the intramedullary rod technique include immediate weight bearing and easier rehabilitation, avoidance of external transfixation pins…
