A comparison of the penetration rate of two polyethylene acetabular liners of different levels of cross-linking
- 1 November 2007
- journal article
- research article
- Published by British Editorial Society of Bone & Joint Surgery in The Journal of Bone and Joint Surgery. British volume
- Vol. 89 (11), 1439-1445
- https://doi.org/10.1302/0301-620x.89b11.19543
Abstract
We carried out a prospective randomised study designed to compare the penetration rate of acetabular polyethylene inserts of identical design but different levels of cross-linking at a minimum of four years follow-up. A total of 102 patients (102 hips) were randomised to receive either highly cross-linked Durasul, or contemporary Sulene polyethylene inserts at total hip replacement. A single blinded observer used the Martell system to assess penetration of the femoral head. At a mean follow-up of 4.9 years (4.2 to 6.1) the mean femoral head penetration rate was 0.025 mm/year (sd 0.128) in the Durasul group compared with 0.106 mm/year (sd 0.109) in the Sulene group (Mann-Whitney test, p = 0.0027). The mean volumetric penetration rate was 29.24 mm3/year (sd 44.08) in the Durasul group compared with 53.32 mm3/year (sd 48.68) in the Sulene group. The yearly volumetric penetration rate was 55% lower in the Durasul group (Mann-Whitney test, p = 0.0058). Longer term results are needed to investigate whether less osteolysis will occur.Keywords
This publication has 35 references indexed in Scilit:
- A Review of Current Cross-linked Polyethylenes Used in Total Joint ArthroplastyClinical Orthopaedics & Related Research, 2005
- RESULTS OF CHARNLEY TOTAL HIP ARTHROPLASTY AT A MINIMUM OF THIRTY YEARSThe Journal of Bone and Joint Surgery-American Volume, 2004
- Polyethylene cross‐linking by two different methods reduces acetabular liner wear in a hip joint wear simulatorJournal of Orthopaedic Research, 2003
- Third-body wear of highly cross-linked polyethylene in a hip simulatorThe Journal of Arthroplasty, 2003
- Aggressive Wear Testing of a Cross-Linked Polyethylene in Total Knee ArthroplastyPublished by Ovid Technologies (Wolters Kluwer Health) ,2002
- Wear of conventional and cross-linked ultra-high-molecular-weight polyethylene acetabular cups against polished and roughened CoCr femoral heads in a biaxial hip simulatorJournal of Biomedical Materials Research, 2002
- Twenty-five-Year Survivorship of Two Thousand Consecutive Primary Charnley Total Hip ReplacementsThe Journal of Bone and Joint Surgery-American Volume, 2002
- Study of retrieved acetabular sockets made from high-dose, cross-linked polyethyleneThe Journal of Arthroplasty, 2001
- A novel method of cross-linking ultra-high-molecular-weight polyethylene to improve wear, reduce oxidation, and retain mechanical propertiesThe Journal of Arthroplasty, 2001
- Charnley low-frictional torque arthroplasty of the hipThe Journal of Bone and Joint Surgery. British volume, 1999