Abstract:
:Total knee arthroplasty is a safe last-resort treatment for osteoarthritis that has excellent results in low-function-demand elderly patients. Current implants offer the same results in high-function-demand patients. However, supportive data do not exist.One-year Krackow Activity Scores (KAS) of 552 patients from 2 prospective studies were used to retrospectively determine low- and high-function-demand populations. Low function demand was defined as a KAS between 1 and 9 points, and high function demand was defined as a KAS between 10 and 18 points. Patients were assessed preoperatively and at 6 weeks, 3 months, and 1 and 2 years postoperatively per the Knee Society Score-function domain, KAS, SF-36, range of motion, and pain. Comparability between groups was tested for demographics and comorbidities.Both groups showed significant improvement in function, range of motion, and pain 2 years postoperatively. High-function-demand patients had comparable improvement in function compared with low-function-demand patients. Excellent function can be achieved in high-function-demand patients.
journal_name
Orthopedicsjournal_title
Orthopedicsauthors
Lozano Calderón SA,Shen J,Doumato DF,Zelicof Sdoi
10.3928/01477447-20120426-22subject
Has Abstractpub_date
2012-05-01 00:00:00pages
e681-90issue
5eissn
0147-7447issn
1938-2367journal_volume
35pub_type
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