Comparison of modified posterolateral and modified anterolateral approaches for posterolateral tibial plateau fractures
Objective To investigate the efficacy of modified posterolateral and modified anterolateral approaches in the treatment of posterolateral tibial plateau fracture(PTPF).Methods Sixty-eight patients with PTPF admitted to our hospital between January 2021 and January 2022 were selected and treated with modified posterior lateral approach(modified posterior lateral group,n=34)and modified anterior lateral approach(modified anterior lateral group,n=34).The degree of articular surface collapse,imaging parameters,extension and flexion,HSS score and Lysholm score were compared between the two groups.Results The operation time of patients in the modified posterolateral group was greater than that of patients in the modified anterolateral group(P<0.05);intraoperative bleeding,incision length,and fracture healing time were lower than those of patients in the modified anterolateral group(P<0.05).The height of articular surface collapse at 6 and 12 months after surgery was lower in patients in the modified posterolateral group than in the modified anterolateral group(P<0.05).At the final follow-up,extension,flexion,HSS score and Lysholm score of patients in the modified posterolateral group were higher than those of the pre-modified posterolateral group(P<0.05).Conclusions Both the modified posterolateral approach and the modified anterolateral approach are effective in treating posterolateral tibial plateau fractures.Although the modified posterolateral approach has better treatment results,it requires more surgical experience.
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