[The use of total cementless threaded knee Motta-Callea prosthesis].

The paper presents features and operative technique for Motta-Callea knee arthroplasty. Medium-term results in a series of 17 joints with serious osteoarthritis (stage IV and V--classification of Larsen at al) in 14 patients aged 43-75 years (mean 64 years) are presented. Patients were evaluated according to Clinical Rating System (Insall et al.) before and after surgery. The average total score tripled after operation and was 168 of 200 points available. Good results have been achieved in both younger and elderly patients with advanced osteoarthritis and osteoporosis, also with bone plasty for varus or valgus deformity. An improvement was noted in regard of pain, alignment of the knee, its sagittal stability and walking ability, stairs included.