scholarly journals A Review of the Occurrence and Mechanisms of Induction of Osteoporosis Following Spinal Cord Injury

Author(s):  
Abolfazl Barzegar-Bafrouei ◽  
Moosa Javdani

Introduction: Spinal cord injury (SCI) causes devastating injuries in patients. The main mechanisms of the pathogenesis of secondary injury include nerve degeneration, gliosis, and inflammation. Spinal cord injury induces a disorder or failure in several organs due to the vital role of the spinal cord in regulating bodily functions. Osteoporosis is a consequence of spinal cord injury that occurs in the vast majority of patients with spinal cord injury. Articles on the related topic were searched in the following databases: Science Direct, Scopus, Springer Science, PubMed and Google scholar to have been used in writing from this review article. A total of 120 related research papers, including quantitatve and qualitative researches in English, from the last 57 years papers (1962- 2019) were included in this study. The review article is written according to 120 articles and the keywords “Spinal cord injury, Osteoporosis, Inflammation, Osteoblast and Osteoclast”. Conclusion: Although weight loss is an important factor in the development of osteoporosis following SCI, inflammation, nerve damage, and hormonal changes also contribute to this process. Hormonal changes mediated by SCI may contribute to postoperative osteoporosis with several mechanisms. These mechanisms included: increased renal excretion and decreased intestinal absorption of calcium, consequently, a negative balance of calcium ions; Vitamin D deficiency; impair the function of the gonads and inhibits the osteoanabolic (ossification) activity of sex steroids; elevated blood leptin; Pituitary suppression of parathyroid hormone, and bone loss following SCI may (at least in part) be caused directly by insulin resistance and insulin-like growth factor.

Author(s):  
Jiaqi Bi ◽  
Jianxiong Shen ◽  
Chong Chen ◽  
Zheng Li ◽  
Haining Tan ◽  
...  

2021 ◽  
pp. 1357034X2110256
Author(s):  
Denisa Butnaru

Motility impairments resulting from spinal cord injuries and cerebrovascular accidents are increasingly prevalent in society, leading to the growing development of rehabilitative robotic technologies, among them exoskeletons. This article outlines how bodies with neurological conditions such as spinal cord injury and stroke engage in processes of re-appropriation while using exoskeletons and some of the challenges they face. The main task of exoskeletons in rehabilitative environments is either to rehabilitate or ameliorate anatomic functions of impaired bodies. In these complex processes, they also play a crucial role in recasting specific corporeal phenomenologies. For the accomplishment of these forms of corporeal re-appropriation, the role of experts is crucial. This article explores how categories such as bodily resistance, techno-inter-corporeal co-production of bodies and machines, as well as body work mark the landscape of these contemporary forms of impaired corporeality. While defending corporeal extension rather than incorporation, I argue against the figure of the ‘cyborg’ and posit the idea of ‘residual subjectivity’.


2021 ◽  
pp. 76-78
Author(s):  
Anand Sharma ◽  
Yashbir Dewan

Management of severe spasticity following penetrating brain injury is often a difcult problem. Orally administered medications generally offer limited benets. Intrathecally administered baclofen has been shown to be effective in patients with spasticity caused by spinal cord injury and stroke, however, the effectiveness of ITB for spasticity related to penetrating brain injury is not well established. We reported two cases of spastic hypertonia following gunshot injury to brain with brief review of literature upon role of intrathecal baclofen pump (ITB) in cortical spastic hypertonia


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