– TKR Surgical Technique: – extramedullary guides – proximal tibial resection: – posterior slope of the tibial component: – depth of tibial cut: – Effect of the tibial cut on subsidence following total knee arthroplasty. – joint … Read more
– See: Patella in TKR – Discussion: – indications for patellar resurfacing – patellar malalignment – lateral retinacular release – Technique: – start by everting the patella laterally and reflecting the fat pad & synovium from around its periphery; – remove any overhanging osteophytes; – limited patellar fasciectomy should be a part … Read more
Methods to Prevent Infection: – prophylactic antibiotics – skin prep agents – Considerations: – patient is placed in supine position, hip bump is optional; – tourniquet: – in the study by Wakankar HM, et al (1999) the authors prospectively studied the effect of tourniquet … Read more
– See: TKR: Soft Tissue Balance and Collateral Ligaments – Discussion: – fixed varus is the most common angular contracture in pts undergoing tkr; – this deformity may be accentuated by the presence of medial tibial plateau or medial femoral condyle osteophytes; – it is essential that … Read more
– See: – TKR Menu – blood supply to the knee: – standard lateral retinacular release: – Discussion: – at completion of TKR, patellar tracking are critically evaluated to insure stability; – patellar tracking may be improved by removal of patellar osteophytes … Read more
(See also: Total Hip Replacement Menu) Discussion evaluation of the painful THR indications for revision evaluation for loosening outcomes: references: Why revision total hip arthroplasty fails. Revision Hip Arthroplasty: Infection is the Most Common Cause of Failure Examination examination for loosening: previoius incisions; contracture of the flexors and adductors (adds to complexity of the case); … Read more
See: Total Hip Replacement Menu: revision arthroplasty menu Femoral Revision exposure of femur it is essential that prior to attempted femoral component removal, that there is a clear retrograde path for stem removal; this means that any trochanteric overhang is removed, either with a high speed bur or with an trochanteric osteotomy: some recommend routine … Read more
– TKR Menu: AP cutting guide – Determine Appropriate AP Component Size: – most instrument systems incorporate cutting block that is placed on end of femur & rotated to appropriate orientation; – prior to inserting the AP sizing guide, remove any prominent meniscal remnants so that the posterior “fins” of the … Read more
– See: – Joint Line Position – Patella Infera: – Discussion: – elevation of the joint line occurrs when only very small amount of tibial plateua surface is removed and “space” for the components created by removing portion of the distal … Read more