Abstract
Objective To explore the effect of calcitriol combined with zoledronic acid in posterior cruciate ligament tibial avulsion fractures of the knee joint in patients with diabetic osteoporosis. Methods Between January 2020 and January 2022, 60 patients with diabetic osteoporosis treated in our hospital were included. All patients underwent knee joint posterior cruciate ligament tibial avulsion fractures, and they were randomized (1 : 1) into the observation group (calcitriol combined with zoledronic acid) and control group (calcitriol). The two groups were compared with respect to the improvement of bone mineral density and bone metabolism indexes, the pain degree (VAS) and knee joint function (Lysholm), and the incidence of refracture. Results Both groups showed an increasing bone mineral density after treatment, and significant increase was observed in the observation group vs. control group (all p < 0.05). After treatment, VAS scores decreased in the two groups, and Lysholm scores increased compared to the corresponding values before treatment (all p < 0.05), with more notable changes in the observation group versus control group (all p < 0.05). The observation group had fewer cases of refractures than the control group (2 cases vs. 8 cases) (p < 0.05). Conclusion Calcitriol combined with zoledronic acid used in patients with diabetic osteoporosis after the posterior cruciate ligament tibial attachment avulsion fracture of the knee joint yields a promising result in enhancing bone mineral density and bone metabolism indicators, relieving pain, improving knee joint function, and reducing the risk of refracture.
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