Retrospective study evaluating hospital outcomes and costs in patients undergoing TKA with iTotal® or off-the-shelf implants
A retrospective analysis of 248 TKA hospitalizations for patients having received either a ConforMIS iTotal customized knee implant (126) or a standard OTS implant (122) between March 2010 and November 2013 was presented at the 2014 ICJR Pan Pacific conference. Patients with OTS implants demonstrated an adverse event rate of 13.9% while the ConforMIS rate was significantly lower at 1.6%. Data also showed that patients treated with ConforMIS customized implants had significantly lower blood transfusion rates of 2.4% compared with 10.7% for the OTS implants.
An analysis of total hospital costs (excluding costs associated with discharge) found no statistical difference between the ConforMIS and OTS knee replacement. However, the study showed that significantly fewer ConforMIS patients were discharged to more costly acute care facilities (0.8% for ConforMIS vs. 7.4% for OTS).
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