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HEALTH-RELATED QUALITY OF LIFE EVALUATION. COMPARATIVE STUDY BETWEEN CEMENTED AND NON CEMENTED HIP ARTHROPLASTIES.

7th Congress of the European Federation of National Associations of Orthopaedics and Traumatology, Lisbon - 4-7 June, 2005



Abstract

Background: Measurement of quality of life (QOL) and functional status provides important additional information for priority setting in health policy formulation and resource allocation. Our aim was to define the differences in the health-related quality of life between hip artroplasties with cementation and without cementation. The last objective was to reunite evidences on the advantages and disadvantages of both systems of hip arthroplasty fixation. Methods: We analyzed a random sample of patients in surgical waiting list of total hip arthroplasty, between 65 and 75 years, divided in two groups of 40 patients who received a cemented or uncemented THA, respectively. We compared the pre-operative characteristics and at a year after operation changes in the Nottingham Health Profile (NHP) and SF-12 self-administered questionnaires. We also performed the specific Harris hip score. To make the different scoring systems comparable, all scores were transformed to a 0-to 100-point scale, with 100 points indicating best health. Differences among these groups were compared using the Mann-Whitney U test. Results: All patients increased their QOL scores. Both groups had similar QOL scores before surgery. At 1 year, patients with the uncemented prosthesis had slightly higher scores for energy, pain, and emotional reaction. Changes in QOL scores were, however, very similar. Conclusions: The use of an uncemented prosthesis does not impair early outcome.

Theses abstracts were prepared by Professor Roger Lemaire. Correspondence should be addressed to EFORT Central Office, Freihofstrasse 22, CH-8700 Küsnacht, Switzerland.