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Effect of Infrapatellar Fat Pad Preservation vs Resection on Clinical Outcomes After Total Knee Arthroplasty in Patient with End-Stage Osteoarthritis

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Abstract

Purpose

The management of infrapatellar fat pad (IPFP) during total knee arthroplasty (TKA) is the subject of ongoing debate. There is conflicting evidence whether IPFP should be preserved or resected during TKA to improve clinical outcomes. This study sought to establish if there is a benefit of one over another in terms of clinical function & patient satisfaction.

Material & Methods

Total of 67 patients (96 knees), 11 males & 56 females with a mean age of 66.29 years, who underwent TKA between 2016 and 2020 were included in the study. The planning for IPFP preservation (IPFP-P) on right side (50 knees) & IPFP resection (IPFP-R) on left side (46 knees) was done prospectively. We prospectively evaluated clinical outcomes post-TKA, comparing the right knee to the left knee in terms of IPFP-P vs IPFP-R using the oxford knee scoring (OKS) system. The SF-12 was used to evaluate and compare patient satisfaction between the two groups.

Results

The mean OKS in the IPFP-P group was 42.86 ± 2.63 & in the IPFP-R group was 44.22 ± 2.40. The OKS differed significantly between the two groups (p < 0.05). Patient with IPFP-R group had significantly better OKS. The mean Sf-12 (physical & mental component) in the IPFP-P was 51.05 ± 4.15 & 59.29 ± 2.53 & in IPFP-R was 51.23 ± 4.74 & 59.24 ± 2.78, showing no significant differences.

Conclusion

Our study shows that IPFP-R gave marginally better patient-reported functional outcome scores (OKS), but there was no difference in patient satisfaction (SF-12 scores) between the two groups.

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Data Availability

The data sets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.

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Funding

No funds, grants, or other support was received. The authors have no relevant financial or non-financial interests to disclose.

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Authors and Affiliations

  1. Department of Orthopaedics, B&B Hospital, Gwarko, Lalitpur, Nepal

    Ansul Rajbhandari & Bibek Banskota

  2. BPH, B&B Hospital, Gwarko, Lalitpur, Nepal

    Rajan Bhusal

  3. Department of Orthopedics, B&B Hospital, Gwarko, Lalitpur, Nepal

    Ashok Kumar Banskota

Authors
  1. Ansul Rajbhandari
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  2. Bibek Banskota
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  3. Rajan Bhusal
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  4. Ashok Kumar Banskota
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Contributions

AR: Conceptualization, Methodology, Project administration, Resources, Supervision, Investigation, Data curation, Validation, Visualization, Writing – original draft, writing – review & editing. BB: Project administration, Resources, Investigation, Software, Formal analysis, Data analysis. RB: Data interpretation & analysis, methodology, Software, Data curation. AKB: Conceptualization, Supervision, Visualization, Writing – original draft.

Corresponding author

Correspondence to Ansul Rajbhandari.

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The authors declare that they have no competing interest.

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This is an observational study. The IRB has confirmed that no ethical approval is required.

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This article does not contain any studies with human or animal subjects performed by the any of the authors.

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Informed consent was obtained from all individuals participants included in the study.

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Rajbhandari, A., Banskota, B., Bhusal, R. et al. Effect of Infrapatellar Fat Pad Preservation vs Resection on Clinical Outcomes After Total Knee Arthroplasty in Patient with End-Stage Osteoarthritis. JOIO 57, 863–867 (2023). https://doi.org/10.1007/s43465-023-00865-y

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