Surgical technology international
-
Unicompartmental knee arthroplasty (UKA) is a feasible alternative to total knee arthroplasty (TKA) for selected patients with severe single-compartment knee osteoarthritis. Robotic-assisted UKA (rUKA) has recently emerged as a complementary tool to ameliorate previous difficulties with manual UKA (mUKA). However, the influence of rUKA compared to mUKA on patient outcomes are still largely unknown. ⋯ In conclusion, unicompartmental knee arthroplasty implants demonstrated comparable survivorship rates whether performed manually or with robotic assistance. However, compared to the manually performed procedure, robotic-assisted unicompartmental knee arthroplasty were found to offer benefits including shorter lengths of hospital stays, decreased postoperative pain scores, and improved functional outcomes.
-
Total knee arthroplasty (TKA) in patients with established knee osteoarthritis and major varus, mostly due to constitutional proximal deformity, remains a challenging procedure. Orthogonal cuts result in asymmetric bone resection and subsequent bone-related laxity or difficult release. A procedure that combines opening high tibial osteotomy (HTO) and TKA in the same sitting to address such major deformities is possible. But for this combined operation, precise planning and an exact intraoperative transformation of the planning is required. The assumption that the results could be predicted better by means of a navigation system was analyzed. ⋯ Computer navigation improved precision with less radiation. The findings of this study suggest that computer navigation may be safely used in a complex procedure when combined with total knee arthroplasty and opening wedge high tibial osteotomy in one sitting.