Table 2 Characteristics of the included studies
Author | Year | Country | Matched pair | Study | Level of evidence | Study groups | Patients (Knees) | Age (years) | Female (%) | BMI | Interval between arthroplasty and arthroscopy | Mean Follow-up | Finding | NOS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Piedade SR [11] | 2009 | Brazil | Non | Retro cohort | Level III | Arthroscopy | 60 (60) | 69(34–81) | 75 |  | 53 months | 46.6 months | Prior knee arthroscope increase postoperative complications, failures, and worse survival in primary TKA outcomes. | 8 |
|  |  |  |  |  |  | Control | 1,035(1,119) | 72(20–95) | 76 |  | NA | 43.2 months |  |  |
Issa K [17] | 2012 | USA | Non | Retro cohort | Level III | Arthroscopy | 60 (61) | 56(18–86) | 70 |  | NA | 39(26–68) months | Earlier arthroscopic procedures did not negatively affected the outcome of TKA. | 9 |
|  |  |  |  |  |  | Control | 438(563) | 62(18–92) | 91.7 |  | NA | 38(24–65) months |  |  |
Werner BC [12] | 2015 | USA | Matched | Retro cohort | Level III | Arthroscopy | 3051 | NA | 69.2 |  | 681 within 6 months; 1301 TKA within 6 months to 1 year; 1069TKA within 1–2 years | 90days | TKA performed within six months following ipsilateral knee arthroscopy appears to be associated with increased rates of postoperative infection, stiffness and venous thromboembolism. | 7 |
| Â | Â | Â | Â | Â | Â | Control | 37,235 | NA | 65.6 | Â | Â | 90 days | Â | Â |
Rothermich MA [18] | 2017 | USA | matched | Retro cohort | Level III | Arthroscopy | 469 | 57.8 ± 7.22 | 53.9 | 33.3 ± 6.70 |  | NA | Previous ipsilateral knee surgery is not associated with worse functional outcomes following primary TKA. | 7 |
|  |  |  |  |  |  | Control | 469 | 58.0 ± 7.10 | 53.9 | 33.2 ± 6.42 |  | NA |  |  |
Barton SB [13] | 2017 | England | Non | Retro cohort | Level III | Arthroscopy | 186 | 65 ± 8.5 | 60.2 | 31.4 ± 4.6 | 193(87) days | 40.9 ± 16.4months | TKA should not routinely be performed within six months of arthroscopy. | 7 |
|  |  |  |  |  |  | Control | 1708 | 68 ± 10 | 57.0 | 30.3 ± 6.3 |  | 20 ± 17.0months |  |  |
Viste A [19] | 2017 | USA | Matched | Retro cohort | Level III | Arthroscopy | 153(160) | 66 ± 8.8 (41–85) | 58 | 32 ± 5.5 | 25 TKA less than 1 year;135 TKA ≥ 1 year | 8.7 ± 2.5 (2–12) | Clinical outcomes, survivorship, and complications were similar in TKAs patients that had a previous non-ACL arthroscopic procedure. | 9 |
|  |  |  |  |  |  | Control | 320(320) | 66 ± 8.4 (41–85) | 58 | 32 ± 6.6 |  | 8.5 ± 2.6 (2–12) |  |  |
Gu A [29] | 2019 | USA | Non | Retro cohort | Level III | Arthroscopy | 3357 | NA | 65.6 | NA | 0.93 ± 0.75(0.01-2.00)years | within 2 years | Arthroscopy before TKA substantially increases the rates of revision, PJI, aseptic loosening, and stiffness. | 8 |
| Â | Â | Â | Â | Â | Â | Â | 134,662 | NA | 63 | NA | Â | Â | Â | Â |
Ma JN [15] | 2020 | China | Matched | Retro cohort | Level III | Arthroscopy | 87TKAs | 63.1 ± 7.9 | 57.5 | 27.9 ± 4.6 | (2.3 ± 1.7)years | 4.3 ± 1.9 years | Prior knee arthroscopy linked to worse TKA outcomes, especially in males and those with prior ACL-related KA. Increased complication risk within nine months of KA. | 8 |
|  |  |  |  |  |  | Control | 174TKAs | 63.0 ± 7.6 | 56.9 | 27.7 ± 4.9 |  |  |  |  |
Xu K [20] | 2021 | China | Matched | Pros cohort | Level II | Arthroscopy | 56TKA | 62.89 ± 6.30 | 87.5 | 27.96 ± 2.97 | NA | 43mos | No significant differences in recovery or complications were found in patients who had knee arthroscopy before total knee replacement surgery. | 9 |
|  |  |  |  |  |  | Control | 56TKA | 63.06 ± 6.27 | 87.5 | 27.79 ± 3.01 | NA | 41mos |  |  |
Sax OC [16] | 2022 | USA | Non | Retro cohort | Level III | Arthroscopy | 5,523 | NA | NA | NA | 0-12weeks(n = 1,023);12-16weeks(n = 816);16–20 weeks(n = 1,957)and20-24 weeks (n = 1,727). | 90days to 2years | Knee arthroscopy within 24 weeks of primary TKA was linked to a higher risk of 90-day post-TKA MUA, both in unadjusted and adjusted analyses. | 7 |
|  |  |  |  |  |  | Control | 5,000 | 66 ± 8.68 | 63.3 | NA |  |  |  |  |
Giovanoulis [21] | 2024 | France | Matched | Retro cohort | Level III | Arthroscopy | 84 | 68.9 ± 7.4 | 59.5 | 29.6 ± 5.3 | 3.6 ± 2.4 years | 8.4 ± 2.1years | Previous KA of the medial meniscus does not negatively affect a subsequent TKA | 9 |
|  |  |  |  |  |  | Control | 84 | 69.1 ± 9.1 | 61.9 | 29.3 ± 4.8 |  |  |  |  |