Computed tomography Osteoabsorptiometry: Review of bone density, mechanical strength of material and clinical application

被引:2
作者
Xu, Guanghua [1 ,2 ,3 ]
Wang, Qiuyuan [4 ]
Li, Zhiqiang [5 ]
Wu, Tingrui [1 ]
机构
[1] Guangdong Med Univ, Affiliated Hosp, Orthoped Ctr, Zhanjiang, Peoples R China
[2] Southern Med Univ, Sch Basic Med Sci, Guangdong Engn Res Ctr Translat Med Printing Appli, Guangdong Prov Key Lab Med Biomech,Natl Key Discip, Guangzhou, Peoples R China
[3] North Univ China, Inst Sport & Exercise Med, Taiyuan, Peoples R China
[4] Beijing Univ Chinese Med, Grad Sch, Beijing, Peoples R China
[5] North Univ China, Sch Phys Educ, Taiyuan, Peoples R China
关键词
computed tomography; computed tomography osteoabsorptiometry; post-processing; biomechanical; stress; high density area; STRESS-DISTRIBUTION PATTERNS; HUMAN HIP-JOINT; SUBCHONDRAL BONE; SACROILIAC JOINT; BASEBALL PLAYERS; MINERAL DENSITY; KNEE OSTEOARTHRITIS; ARTICULAR-CARTILAGE; TIBIAL OSTEOTOMY; ELBOW JOINT;
D O I
10.3389/fbioe.2023.1066709
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Computed Tomography (CT) imaging is an effective non-invasive examination. It is widely used in the diagnosis of fractures, arthritis, tumor, and some anatomical characteristics of patients. The density value (Hounsfield unit, HU) of a material in computed tomography can be the same for materials with varying elemental compositions. This value depends on the mass density of the material and the degree of X-ray attenuation. Computed Tomography Osteoabsorptiometry (CTOAM) imaging technology is developed on the basis of CT imaging technology. By applying pseudo-color image processing to the articular surface, it is used to analyze the distribution of bone mineralization under the articular cartilage, evaluate the position of prosthesis implantation, track the progression of osteoarthritis, and determine the joint injury prognosis. Furthermore, this technique was combined with indentation testing to discuss the relationship between the high bone density area of the articular surface, the mechanical strength of the bone, and the anchorage stability of the implant, in addition to the study of the relationship between mechanical strength and bone density. This narrative study discusses the pre- and postoperative evaluation of medical device implantation position, orthopedic surgery, and the clinical treatment of bone injury and degeneration. It also discusses the research status of CTOAM technology in image post-processing engineering and the relationship between bone material and mechanical strength.
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页数:18
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