FUNCTIONAL OUTCOME AND SURVIVORSHIP IN PATELLOFEMORAL REPLACEMENT AND FACTORS DETERMINING POOR OUTCOME

N. Jagadeesh; S. Pammi; A. Kariya; R. Sales

doi:10.1302/1358-992X.2022.11.051

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General Orthopaedics

FUNCTIONAL OUTCOME AND SURVIVORSHIP IN PATELLOFEMORAL REPLACEMENT AND FACTORS DETERMINING POOR OUTCOME

The British Indian Orthopaedic Society (BIOS) Annual Scientific Meeting, Mansfield, England, 7–8 July 2022.

N. Jagadeesh
S. Pammi
A. Kariya
R. Sales

FUNCTIONAL OUTCOME AND SURVIVORSHIP IN PATELLOFEMORAL REPLACEMENT AND FACTORS DETERMINING POOR OUTCOME

Jagadeesh N, Pammi S, Kariya A, Sales R. FUNCTIONAL OUTCOME AND SURVIVORSHIP IN PATELLOFEMORAL REPLACEMENT AND FACTORS DETERMINING POOR OUTCOME. Orthop Procs. 2022;104-B(SUPP_11):51-51. doi:10.1302/1358-992X.2022.11.051

Jagadeesh, N., et al. “FUNCTIONAL OUTCOME AND SURVIVORSHIP IN PATELLOFEMORAL REPLACEMENT AND FACTORS DETERMINING POOR OUTCOME.” Orthopaedic Proceedings, vol. 104-B, no. SUPP_11, 2022, pp. 51-51., https://doi.org/10.1302/1358-992X.2022.11.051

Jagadeesh, N., Pammi, S., Kariya, A., & Sales, R. (2022). FUNCTIONAL OUTCOME AND SURVIVORSHIP IN PATELLOFEMORAL REPLACEMENT AND FACTORS DETERMINING POOR OUTCOME. Orthopaedic Proceedings, 104-B(SUPP_11), 51-51. https://doi.org/10.1302/1358-992X.2022.11.051

Jagadeesh, N., Pammi, S., Kariya, A. and Sales, R. (2022) “FUNCTIONAL OUTCOME AND SURVIVORSHIP IN PATELLOFEMORAL REPLACEMENT AND FACTORS DETERMINING POOR OUTCOME.” Orthopaedic Proceedings, 104-B(SUPP_11), pp. 51-51. Available at: https://doi.org/10.1302/1358-992X.2022.11.051

Jagadeesh, N., S. Pammi, A. Kariya, and R. Sales. “FUNCTIONAL OUTCOME AND SURVIVORSHIP IN PATELLOFEMORAL REPLACEMENT AND FACTORS DETERMINING POOR OUTCOME.” Orthopaedic Proceedings 104-B, no. SUPP_11 (2022): 51-51. https://doi.org/10.1302/1358-992X.2022.11.051

Jagadeesh N, Pammi S, Kariya A, Sales R. FUNCTIONAL OUTCOME AND SURVIVORSHIP IN PATELLOFEMORAL REPLACEMENT AND FACTORS DETERMINING POOR OUTCOME. Orthop Procs. 2022 Nov 1;104-B(SUPP_11):51-51. https://doi.org/10.1302/1358-992X.2022.11.051

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Abstract

Background

The primary objective of the study is to determine the function outcome and survivorship of patellofemoral replacement. The secondary aim is to find the determinants of successful/poor outcome.

Methods

This retrospective study involved 45 patients who underwent AVON patellofemoral replacement between January 2015 to December 2020 with the minimal follow-up off for 12 months. The functional outcome was measured using Oxford Knee score (OKS), EuroQol five dimension (EQ-5D). IWANO and Kellgren-Lawrence classification was used to analyse radiographs. To identify determinants of outcome, the following subgroups the presence or absence of normal alignment, tibiofemoral arthritis, trochlear dysplasia and previous surgery. Complications and revision rates were also recorded.

Results

The mean follow-up period was 41.7 +/− 8.3 months with no patients lost in follow-up. Patellofemoral replacement significantly improved the Oxford Knee score (OKS), EuroQol five dimension (EQ-5D) (p<0.001). Four out of 45(8.9%) patients underwent revision surgery. Patients with normal alignment preoperatively did worse than those with abnormal alignment with patellar instability. Patients with grade two tibiofemoral arthritis, history of previous surgery did significantly worse with poorer functional outcome.

Conclusion

Patellofemoral arthroplasty is reliable treatment option which improves patient function and quality of life with good survivorship in isolated patellofemoral arthritis in mid-term follow-up.