Maintaining the Physiological Lateral Flexion Gap in the Kinematically Aligned TKA Does Not Compromise Clinical Outcomes at One-Year Follow-Up
Abstract
:1. Introduction
2. Materials and Methods
3. Results
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Symmetric Group (n = 94) | Asymmetric Group (n = 73) | p-Value | ||
---|---|---|---|---|
Gender b | Female | 66 (70.2%) | 36 (49.3%) | 0.006 |
Male | 28 (29.8%) | 37 (50.7%) | ||
ASA b | ASA I | 9 (9.6%) | 2 (2.7%) | 0.055 |
ASA II | 66 (70.2%) | 46 (63%) | ||
ASA III | 19 (20.2%) | 24 (32.9%) | ||
Side b | Left | 49 (52.1%) | 27 (37%) | 0.051 |
Right | 45 (47.9%) | 46 (63%) | ||
Age a | 69.96 (8.49) | 70.47 (7.3) | 0.969 | |
BMI (kg/m2) a | 28.32 (11.49) | 30.95 (19.79) | 0.084 |
Symmetric (n = 94) | Asymmetric (n = 73) | p-Value | ||
---|---|---|---|---|
Gap balance with trials (mm) | Medial extension | 18.86 (1) | 18.84 (1.04) | 0.203 |
Medial flexion | 18.84 (0.92) | 18.52 (0.87) | 0.007 | |
Lateral extension | 19.04 (0.98) | 19.06 (1.03) | 0.292 | |
Lateral flexion | 19.17 (0.93) | 21.40 (1.53) | <0.001 |
Symmetric (n = 94) | Asymmetric (n = 73) | p-Value | ||
---|---|---|---|---|
Preoperative | Mean KOOS | 37.88 (13.48) | 37.63 (14.48) | 0.879 |
Oxford knee score | 24.26 (6.69) | 23.59 (7.36) | 0.515 | |
Knee Society Score | 99.54 (20.56) | 96.73 (17.38) | 0.135 | |
EQ-5D score | 0.6 (0.24) | 0.56 (0.26) | 0.349 | |
Postoperative | Mean KOOS | 77.51 (20.70) | 77.91 (17.80) | 0.838 |
Oxford knee Score | 40.46 (9.80) | 40.07 (7.68) | 0.246 | |
Knee Society score | 189.6 (17.24) | 184.92 (29.10) | 0.689 | |
EQ-5D score | 0.85 (0.22) | 0.84 (0.22) | 0.779 | |
FJS-12 | 66.85 (28.71) | 61.82 (30.26) | 0.298 |
Symmetric (n = 94) | Asymmetric (n = 73) | p-Value | |||
---|---|---|---|---|---|
Preoperative | Active extension a | −3.83 (15.11) | −2.88 (13.59) | 0.189 | |
Active flexion a | 117.66 (18.48) | 119.73 (20.21) | 0.267 | ||
Active ROM a | 113.83 (15.72) | 116.85 (16.51) | 0.161 | ||
Standing alignment b | Neutral | 25 (26.6%) | 15 (20.5%) | 0.078 | |
Valgus | 23 (24.5%) | 10 (13.7%) | |||
Varus | 46 (48.9%) | 48 (65.8%) | |||
Anteroposterior stability b | <5 | 79 (84.0%) | 58 (79.5%) | 0.690 | |
5–10 | 15 (16.0%) | 13 (17.8%) | |||
Mediolateral stability b | <6 | 72 (76.6%) | 50 (68.5%) | 0.292 | |
6–9 | 15 (16.0%) | 19 (26.0%) | |||
9–14 | 6 (6.4%) | 4 (5.5%) | |||
Postoperative | Active extension a | −0.05 (2.01) | 1.51 (19.96) | 0.485 | |
Active flexion a | 128.78 (7.68) | 119.73 (20.21) | 0.410 | ||
Active ROM a | 128.72 (8.13) | 116.85 (16.51) | 0.582 | ||
Standing alignment b | Neutral | 80 (85.1%) | 60 (82.2%) | 0.891 | |
Valgus | 6 (6.4%) | 6 (6.4%) | |||
Varus | 8 (8.5%) | 6 (8.2%) | |||
Anteroposterior stability b | <5 | 86 (91.5%) | 70 (95.9%) | 0.255 | |
5–10 | 8 (8.5%) | 3 (4.1%) | |||
Mediolateral stability b | <6 | 89 (94.7%) | 65 (89.0%) | 0.177 | |
6–9 | 5 (5.3%) | 8 (11.0%) | |||
9–14 | 0 (0%) | 0 (0%) |
Symmetric (n = 94) | Asymmetric (n = 73) | p-Value | |
---|---|---|---|
True KA | 28 (29.8%) | 33 (45.2%) | 0.040 |
Restricted KA | 66 (70.2%) | 40 (54.8%) |
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Jimenez-Soto, C.; Moya-Angeler, J.; León-Muñoz, V.J.; Theus-Steinmann, C.; Christen, B.; Calliess, T. Maintaining the Physiological Lateral Flexion Gap in the Kinematically Aligned TKA Does Not Compromise Clinical Outcomes at One-Year Follow-Up. J. Clin. Med. 2024, 13, 3423. https://doi.org/10.3390/jcm13123423
Jimenez-Soto C, Moya-Angeler J, León-Muñoz VJ, Theus-Steinmann C, Christen B, Calliess T. Maintaining the Physiological Lateral Flexion Gap in the Kinematically Aligned TKA Does Not Compromise Clinical Outcomes at One-Year Follow-Up. Journal of Clinical Medicine. 2024; 13(12):3423. https://doi.org/10.3390/jcm13123423
Chicago/Turabian StyleJimenez-Soto, Cristina, Joaquín Moya-Angeler, Vicente J. León-Muñoz, Carlo Theus-Steinmann, Bernhardt Christen, and Tilman Calliess. 2024. "Maintaining the Physiological Lateral Flexion Gap in the Kinematically Aligned TKA Does Not Compromise Clinical Outcomes at One-Year Follow-Up" Journal of Clinical Medicine 13, no. 12: 3423. https://doi.org/10.3390/jcm13123423