Fifty-six patients over the age of 80 undergoing revision hip arthropl
asty in 57 hips were reviewed. The average age of the patients at the
time of surgery was 81 years 6 months, and the mean follow-up period w
as 2 years 6 months. No complications were seen in 21 patients. The co
mplications encountered in the others were medical in 35 and procedure
-related in 15. The preoperative risk factor rating (American Society
of Anesthesiologists classification) correlated very well with the inc
idence and grading of medical complications. This correlation was sign
ificant, emphasizing the importance of strict preoperative medical and
anesthetic assessment in this group of patients. The mean d'Aubigne a
nd Postel hip score improved from 2.8, 2.2, and 3.4 to 5.6, 4.8, and 4
.9 after revision surgery.