– Discussion: – available in sizes from 80 mm to 240 mm (most adults require 150 to 160 mm rings for the tibia); – rings should be large enough to allow at least 2-3 cm of space between the ring and skin (inorder to avoid pressure ulcerations); … Read more
– Discussion: – 2 subtypes: rim avulsions and rim compression frx; – all knees w/ rim frxs have capsular and collateral ligament injuries; – avulsions of rim of tibial plateau articular surface or compression frx of that rim almost always are accompanied by significant collateral or cruciate ligament injury; – may … Read more
– See: Rheumatoid Arthritis – Epidemiology: – forefoot is involved twice as often as the hindfoot; – initially, RA involves the forefoot, then the midtarsal joints, and finally the hindfoot; – sites of involvement: – ankle joint is frequently spared; … Read more
– Discussion: – the foot is the initial manifestation of RA in 15% of patients; – initially, RA involves the forefoot, then the midtarsal joints, and finally the hindfoot; – forefoot is involved twice as often as the hindfoot; – although forefoot & hindfoot disease can coexist, commonly pt’s have one or the other; – … Read more
– Discussion: – may be indicated for patients with knee stiffness and pain with securely fixed and appropriately aligned components; – involves arthrolysis of adhesions and exchange to a thinner tibial polyethylene insert; – in the report by Babis GC, et al, the authors reviewed their experience with this technique; … Read more
– Assistance provided by Michael Berend MD. … Read more
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– Discusssion: – remove 1-2mm of bone using the intramedullary guide. – be aware of the preoperative flexion stability and ROM in choosing posterior slope; – for example, if the knee was unstable in flexion preoperatively, 0 degrees posterior slope may help reduce some of the flexion gap; … Read more
– Discussion: – quick femoral bone cuts by eye: – usually the femoral bone under the prosthesis will be soft, and will impact when the femoral trial is applied; – therefore, there is no need for time consuming bone cuts, when “eyed cuts” are just as good; – the main issue … Read more
Revision Total Knee Arthroplasty – Assistance provided by Michael Berend MD – PreOperative Considerations and Implant Selection: – work up of the painful TKR: – Surgical Approach: (Surgical Approach for Primary TKR); – Component Removal: – prior to component removal, take the knee thru a range of motion and evaluate patellar tracking and … Read more