Literature article entitled ¿metaphyseal sleeves in arthroplasty of the knee: a suitable tool in management of major metaphyseal bone loss" written by christian lycke, dirk zajonz, alexander brand, torsten prietzel, christoph-e.Heyde, andreas roth and mohamed ghanem by der orthopäde, october 21, 2020 was reviewed.The article's purpose was to ¿examine the clinical outcome following revision arthroplasty of the knee joint and severe arthrosis with metaphyseal bone defects and instability using metaphyseal sleeves.¿ data was compiled from 16 patients: 9 females and 7 males.The average age at surgery of the patients was 76.5±12 years and 79 ±7 years, respectively.Cement manufacturer was not provided.4 patients with primary arthrosis along with severe metaphyseal bone defects and varus deformity.12 patients received revision arthroplasty of the knee and the primary implant manufacturers were not provided and this will not be captured.Depuy products: lcs complete¿ revision knee system with tibial and femoral metaphyseal sleeves lcs® valgus-varus constrained vvc or s-rom® rotating hinge knee system.Please note - specific implants per patient were unspecified.Adverse events relating to the 12 revision patients: patient 1: recurring effusions, pain ¿ conservative treatment patient 2: prolonged wound healing, pain ¿ conservative treatment patient 3: no noted adverse events patient 4: no noted adverse events patient 5: prolonged pain ¿ conservative treatment patient 6: prolonged pain ¿ conservative treatment patient 7: recurring effusions, pain ¿ conservative treatment patient 8: prolonged wound healing, pain ¿ conservative treatment patient 9: patellar tendon rupture, pain (17 months out) ¿ surgical patellar tendon graft patient 9: retropatellar arthrosis, pain (44 months out) ¿ surgical retropatellar replacement patient 10: prolonged wound healing, pain ¿ conservative treatment patient 11: postoperative hematoma, pain ¿ puncture and drainage or surgical revision patient 12: exacerbation of partial peroneal paralysis, pain ¿ conservative treatment adverse events relating to the 4 primary implantation patients: patient 1: lymphedema, effusions, pain ¿ conservative treatment patient 2: no noted adverse events patient 3: no noted adverse events patient 4: prolonged wound healing, pain ¿ conservative treatment additional non-specified adverse events without patient correlation: hematoma, range of motion extension deficit and pain - puncture and drainage or surgical revision -please note, for the 2 events involving hematoma ¿ it is unclear which patient received a puncture drainage and which received the revision.Therefore, both treatments will be captured for both patients.-also, there were no findings for the revised components.All radiographic images within the article images are for unknown knee implants.
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