Injuries to the anterior cruciate ligament (ACL) are common, especially among athletes. An ACL ACL (ACLR) surgical surgeries are performed each year. While ACLR’s success rate is reported to be over 90%, a significant number of patients still have problems such as review surgery and long -term osteoarthritis. This has caused research on better graft materials and artificial joints have emerged as a possible solution. A recent review article published in Engineering It sinks into the current state and future prospects for artificial links for ACLR.
Artificial joints have been used since the 1950s. They offer advantages such as the elimination of the donor morbidity and the risk of transmission of the disease, which are associated with auto -compartment and allocation. However, they also have disadvantages. Some artificial ligaments have shown a high frequency of complications such as chronic eruptions, articular and graft failure. For example, the Gore-Tex link, made of PTFE, had problems with reduced Lysholm score over time and a relatively high graft, collection and infection failure.
The process of healing a remodeled ACL includes two critical parts: incorporation of a bomb graft into the bone tunnels and intra-articular connection. Automotives are considered the golden model because of their bioactive properties that facilitate cell adhesion, proliferation and osteogenesis. On the contrary, artificial ligaments often lack these bioactive characteristics, which led the researchers to focus on enhancing their bioactivity.
In recent years there have been many attempts to modify artificial links and stabilization devices. One approach is to add bioactive components to joint scaffolding. For example, adding ECM elements such as hyaluronic acid and collagen can enhance cell adhesion and proliferation. Another promising modification is the use of magnesium -based materials on stabilization devices. Magnesium has been shown to promote osteogenesis by increasing the release of the polypeptide associated with a Calsitonin gene (CGRP), which in turn regulates the osteogenic genes.
The review also points out that future research on artificial links should focus on several key areas. Advanced construction processes, such as electricity and 3D printing, could improve the natural and biological properties of artificial ligaments. Immediate modification of materials, such as the use of natural silk with good mechanical properties and cell kinship, has great potential. In addition, understanding the biological characteristics of the ingredients and their basic biological effects is essential for the optimization of artificial ligaments.
Although there are still challenges in balancing the mechanical and biological properties of artificial ligaments, these recent developments bring hope for better clinical results on ACLR. As the research continues, artificial links can one day provide a more effective and reliable alternative to traditional cuttings.
Source:
Magazine report:
Zhang, h., et al. (2024). Current advances in artificial ligaments for reconstruction of anterior cross ligament: from biocompatibility to bio -visibility. Engineering. doi.org/10.1016/j.ng.2024.10.018.
