SURVIVAL OF LUBINUS STRAIGHT (IP) AND CURVED (SP) TOTAL HIP PROSTHESES IN 543 PATIENTS AFTER 4-13 YEARS

The clinical outcome and survival of 543 total hip arthroplasties with Lubinus cemented total hip prostheses after a mean of 7.9 years are r eported. Clinical evaluation revealed no significant differences betwe en patients with a straight stem and those with a curved anatomic stem . Loosening was statistically associated with young age, male sex, hea vy weight, diagnosis other than osteoarthritis and year of operation. Survivorship analysis of the Lubinus IP implant at 8 years revealed a 95% chance of survival. The survival of the SP implant was 96%. After this time point the curve for SP implants began to fall at a faster ra te than that for IP implants.