Table 1 Research on the relationship between coronal alignment and clinical outcomes in recent 10 years (Excluding navigation or robot-assisted technologies)
From: Degree of coronal alignment correction can’t predict knee function in total knee replacement
Study | Follow-up | Preoperative alignment | Grouping method based on postoperative alignment | Results or conclusion | |||
|---|---|---|---|---|---|---|---|
Magnussen et al. [13] | 5.8y | Varus | Neutral (0 ± 3°), n = 352 | Varus (< − 3°), n = 181 | – | – | No difference in IKS |
Magnussen et al. [13] | 5.8y | Severe varus (≤ − 10°) | Neutral (0 ± 3°), n = 131 | Varus (< − 3°), n = 131 | – | – | Varus was better in IKS |
Vanlommel et al. [14] | 7.2y | Varus | Neutral (0 ± 3°), n = 75 | Mild varus (-3° to -6°), n = 46 | Severe varus (< − 6°), n = 22 | – | Mild varus was better in KSS and WOMAC |
Manjunath et al. [15] | 3y | All | Neutral (0 ± 3°), n = 96 | Outlier (< − 3° or > 3°), n = 24 | – | – | Neutral was better in KSKS, but but no difference in KSFS |
Stucinskas et al. [16] | 1y | All | Neutral (0 ± 3°), n = 62 | Outlier (< − 3° or > 3°), n = 29 | – | – | No difference in KSS |
Hatayama et al. [17] | 6.1y | Varus | Neutral (0 ± 3°), n = 70 | Varus (≤ − 3°), n = 47 | – | – | No difference in HSS |
Nishida et al. [18] | 3.6y | Varus | Neutral (0 ± 3°), n = 128 | Mild varus (− 3° to − 6°), n = 61 | Severe varus (< − 6°), n = 15 | Valgus (> 3°), n = 16 | Neutral and mild varus was better in KSFS, but no difference in KSKS |
Rames et al. [19] | 1.3y | Varus | Neutral (0 ± 3°), n = 149 | Mild varus (-3° to -6°), n = 60 | Severe varus (< -6°), n = 28 | Valgus (> 3°), n = 19 | No difference in OKS, FJS and SF-12 |
Dominique et al. [20] | 8.5y | Severe varus (≤ − 10°) | Group 1 (< 0°), n = 88 | Group 2 (≥ 0°), n = 62 | – | – | No difference in IKS and OKS |
Schiffner et al. [21] | 3–5y | Varus | Neutral (0 ± 3°), n = 115 | Varus (≤ -3°), n = 33 | – | – | Varus was better in KOOS, but no difference in OKS |
Abdel et al. [22] | 20y | All | Neutral (0 ± 3°), n = 69 | Outlier (< − 3° or > 3°), n = 12 | – | – | No difference in KSS |
Lee et al. [23] | 5y | Valgus | Neutral (0 ± 3°), n = 69 | Mild valgus (3° to 6°), n = 17 | Severe valgus (> 6°), n = 7 | – | No difference in KSS and WOMAC |
Zhang et al. [24] | 5.2y | Varus | Neutral (0° to − 3°), n = 86 | Mild varus (− 3° to − 6°), n = 62 | Severe varus (< − 6°), n = 27 | Valgus (> 0°), n = 44 | Neutral and mild varus were better in KSS and WOMAC compared with severe varus and valgus |
Bilgin et al. [25] | 7.08y | All | Neutral (0 ± 3°), n = 20 | Outlier 1 (− 3° to − 6° or 3° to 6°), n = 24 | Outlier 2 (< − 6° or > 6°), n = 26 | – | Neutral and outlier 1 were better in OKS and SF-36 compared with outliers 2 |