BLOOD SUPPLY AND INNERVATION OF CLAVICLE BONE

Authors

  • Parvan Yanev Multiprofile Hospital for Active Treatment „Saint Bogorodica“ Sofia, Bulgaria

Keywords:

clavicle, anatomy, blood supply, innervation

Abstract

The clavicle bone is interesting with its horizontal position and with S shaped form. Another fact that makes the clavicle bone to stands out of other bones of axial skeleton is its periosteal ossification. The knowledge of these bone blood supply is really important, because the most frequent choice of implant fixation is open reduction and internal fixation. The surgical procedure is made with plate and screws. If the surgeon makes the perfect reposition and fixation from Biomechanical point of view, but harms the periosteum and blood supply of the bone this will cause a fracture non healing. This research is focused above blood supply and innervation around the clavicle bone. If the operation technique is successful and there is bone healing, which is proved by bone healing seen on X-Rays and there is injury of the supraclavicular nerves, the patient will not be satisfied from the procedure. This investigation focuses on the vessel and nerve supply of the bone to help the practitioner of better understanding, so they can improve their results in the clinical filed. For this research the articles from PubMed are used, and the Anatomy books. All the articles were specially oriented in vessel and nerve anatomy around the clavicle.The results are systemized in two parts: first is oriented on the vessels and nerves around the clavicle bone and the second part is especially for the blood and nerve supply of the bone. Arteria subclavia, Vena subclavia, Plexus brachialis, the blood supply to the clavicle bone, nervi supraclaviculares, the lateral pectoral nerve and subclavian nerve are examined. With clinical value is the position of the supraclavicular nerves, because they are on the way of the surgical approach and easily can be damaged.It is important knowing the surgical anatomy of the clavicle and surrounding structures to provide the successful surgical approached and good outcomes of the surgical procedure and to fulfil the patient’s requirements. The distance between the neuro-vascular bundle and the clavicle bone and also the angle they are positioned against each other is from great importance for avoid iatrogenic injury of the neuro-vascular structures during surgical procedures. The surgeon must pay attention not only with the orientation of the drill bit, but also of the penetration of the second cortex of the bone. Another anatomical details that must be taken in mind is the position of nutrition foramen so not disturbed the biology of the bone during osteosynthesis. In the literature the different authors report the different position of the nutritive foramen of clavicle bone. A cadaveric study on embalmed human clavicles concludes that in 94.64% of cases the dominant foramen is located in the middle third. Other based on computed tomography images shows that the nutrient foramen is mostly located closer to the sternal end of the bone. There is need from more evidence-based investigation in this area to clarified the correct information.

References

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Published

2023-12-10

How to Cite

Yanev, P. (2023). BLOOD SUPPLY AND INNERVATION OF CLAVICLE BONE. KNOWLEDGE - International Journal , 61(4), 565–570. Retrieved from https://ikm.mk/ojs/index.php/kij/article/view/6453