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| Clinical Study on Main Ligament Injury Characteristics of Schatzker Type Ⅳ Tibial Plateau Fracture with Coronal Knee Dislocation |
| ZHENG Quan, SUN Liangye |
| Lu'an Hospital, Anhui Medical University, Anhui Lu'an 237001, China |
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Abstract Objective: To explore the main ligamentous injury characteristics in patients with Schatzker Type IV tibial plateau fracture accompanied by coronary knee dislocation. Methods: A total of 32 patients with Schatzker Type IV tibial plateau fracture accompanied by coronary knee dislocation, treated in our hospital from January 2019 to December 2022, were included in the study group. Additionally, 58 patients with isolated Schatzker Type IV tibial plateau fracture were selected as the control group. The two groups were analyzed and compared for cross ligament measurements, laxity coefficients, degree of knee cartilage injury, ligament function indicators, clinical indicators, knee HSS scores, and VAS scores. Results: There was no statistically significant difference in La, Da, and Dp between the two groups (P>0.05). However, the study group showed higher values for Lp, TCa, and TCp compared to the control group (P<0.05). Analysis of knee cartilage injury revealed no statistically significant difference between the two groups (P>0.05). Before treatment, there was no significant difference in the peak torque ratio of flexors/extensors and limb symmetry index between the two groups (P>0.05). After treatment, both groups showed improved ligament function, with the study group exhibiting a greater increase in peak torque ratio and limb symmetry index compared to the control group (P<0.05). Clinical indicators, including operation time, intraoperative blood loss, postoperative hospitalization time, fracture healing time, and postoperative complication rate, showed no significant difference between the two groups (P>0.05). There was no statistically significant difference in HSS scores before and 6 months after treatment between the two groups (P>0.05). However, compared to the control group, the study group had lower HSS scores at 7 days, 1 month, and 3 months postoperatively (P<0.05). Similarly, there was no significant difference in VAS scores before and 6 months after treatment between the two groups (P>0.05). Compared to the control group, the study group had higher VAS scores at 7 days, 1 month, and 3 months postoperatively (P<0.05). Conclusion: Compared to patients with isolated Schatzker Type IV tibial plateau fractures, those with Schatzker Type IV tibial plateau fractures accompanied by coronary knee dislocation exhibited higher postoperative Lp, TCa, and TCp values, worse ligament recovery, poorer knee joint function, and greater short-term pain. These patients require additional attention.
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2023, Vol. 29 
