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Oxford phase 3 unicompartmental knee replacement in Korean patients.
J Bone Joint Surg Br. 2012 Aug; 94(8):1071-6.JB

Abstract

Medium-term survivorship of the Oxford phase 3 unicompartmental knee replacement (UKR) has not yet been established in an Asian population. We prospectively evaluated the outcome of 400 phase 3 Oxford UKRs in 320 Korean patients with a mean age at the time of operation of 69 years (48 to 82). The mean follow-up was 5.2 years (1 to 10). Clinical and radiological assessment was carried out pre- and post-operatively. At five years, the mean Knee Society knee and functional scores had increased significantly from 56.2 (30 to 91) pre-operatively to 87.2 (59 to 98) (p = 0.034) and from 59.2 (30 to 93) to 88.3 (50 to 100) (p = 0.021), respectively. The Oxford knee score increased from a mean of 25.8 (12 to 39) pre-operatively to 39.8 (25 to 58) at five years (p = 0.038). The ten-year survival rate was 94% (95% confidence interval 90.1 to 98.0). A total of 14 UKRs (3.5%) required revision. The most common reason for revision was dislocation of the bearing in 12 (3%). Conversion to a total knee replacement was required in two patients who developed osteoarthritis of the lateral compartment. This is the largest published series of UKR in Korean patients. It shows that the mid-term results after a minimally invasive Oxford phase 3 UKR can yield satisfactory clinical and functional results in this group of patients.

Authors+Show Affiliations

Korea University Medical Center, Guro Hospital, #80 Guro-Dong, Guro-Ku, 152-050 Seoul, Korea.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Evaluation Study
Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

22844048

Citation

Lim, H-C, et al. "Oxford Phase 3 Unicompartmental Knee Replacement in Korean Patients." The Journal of Bone and Joint Surgery. British Volume, vol. 94, no. 8, 2012, pp. 1071-6.
Lim HC, Bae JH, Song SH, et al. Oxford phase 3 unicompartmental knee replacement in Korean patients. J Bone Joint Surg Br. 2012;94(8):1071-6.
Lim, H. C., Bae, J. H., Song, S. H., & Kim, S. J. (2012). Oxford phase 3 unicompartmental knee replacement in Korean patients. The Journal of Bone and Joint Surgery. British Volume, 94(8), 1071-6. https://doi.org/10.1302/0301-620X.94B8.29372
Lim HC, et al. Oxford Phase 3 Unicompartmental Knee Replacement in Korean Patients. J Bone Joint Surg Br. 2012;94(8):1071-6. PubMed PMID: 22844048.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Oxford phase 3 unicompartmental knee replacement in Korean patients. AU - Lim,H-C, AU - Bae,J-H, AU - Song,S-H, AU - Kim,S-J, PY - 2012/7/31/entrez PY - 2012/7/31/pubmed PY - 2012/10/24/medline SP - 1071 EP - 6 JF - The Journal of bone and joint surgery. British volume JO - J Bone Joint Surg Br VL - 94 IS - 8 N2 - Medium-term survivorship of the Oxford phase 3 unicompartmental knee replacement (UKR) has not yet been established in an Asian population. We prospectively evaluated the outcome of 400 phase 3 Oxford UKRs in 320 Korean patients with a mean age at the time of operation of 69 years (48 to 82). The mean follow-up was 5.2 years (1 to 10). Clinical and radiological assessment was carried out pre- and post-operatively. At five years, the mean Knee Society knee and functional scores had increased significantly from 56.2 (30 to 91) pre-operatively to 87.2 (59 to 98) (p = 0.034) and from 59.2 (30 to 93) to 88.3 (50 to 100) (p = 0.021), respectively. The Oxford knee score increased from a mean of 25.8 (12 to 39) pre-operatively to 39.8 (25 to 58) at five years (p = 0.038). The ten-year survival rate was 94% (95% confidence interval 90.1 to 98.0). A total of 14 UKRs (3.5%) required revision. The most common reason for revision was dislocation of the bearing in 12 (3%). Conversion to a total knee replacement was required in two patients who developed osteoarthritis of the lateral compartment. This is the largest published series of UKR in Korean patients. It shows that the mid-term results after a minimally invasive Oxford phase 3 UKR can yield satisfactory clinical and functional results in this group of patients. SN - 2044-5377 UR - https://www.unboundmedicine.com/medline/citation/22844048/Oxford_phase_3_unicompartmental_knee_replacement_in_Korean_patients_ L2 - https://online.boneandjoint.org.uk/doi/full/10.1302/0301-620X.94B8.29372 DB - PRIME DP - Unbound Medicine ER -