To investigate characteristics of injury potentials after different degrees of spinal cord injury in rats the present study established models of spinal cord contusion with severe, moderate, and mild degrees of injury...To investigate characteristics of injury potentials after different degrees of spinal cord injury in rats the present study established models of spinal cord contusion with severe, moderate, and mild degrees of injury. Injury potential was measured in vivo using a direct current voltage amplification system. Results revealed that in the first 4 hours after acute spinal cord injury, initial amplitude of injury potential was greatest after severe injury, followed by moderate and mild injuries. Amplitude of injury potential decreased gradually with injury time, and the recession curve was logarithmic. Under the same degree of injuries, amplitude of rostral injury potential was generally less than caudal injury potential. Results suggested that injury potential reflected injury severity, because large initial amplitude of injury potential during the early injury stage implied severe injury.展开更多
Extracranial carotid artery injuries may produce severe haemorrhage,cerebral damage or arteriovenous fistula.Examples of traumatic extracranial carotid-jugular fistula are not frequently reported,especially in forensi...Extracranial carotid artery injuries may produce severe haemorrhage,cerebral damage or arteriovenous fistula.Examples of traumatic extracranial carotid-jugular fistula are not frequently reported,especially in forensic medicine.We report a controversial case of an extracranial internal carotid-jugular fistula resulting from a stab wound to the neck.The degree of the injury was classified under“The Standard of Human Body Injury Assessment(2014)”(SIA)in China by forensic examiners.We believe this case report will provide information for the forensic assessment of similar cases.展开更多
基金Science & Technology Program of Chinese Academy of Sciences for Disability,No.KGLX2-YW-613the New Star Program of Beijing Science and Technology,No.2007B070
文摘To investigate characteristics of injury potentials after different degrees of spinal cord injury in rats the present study established models of spinal cord contusion with severe, moderate, and mild degrees of injury. Injury potential was measured in vivo using a direct current voltage amplification system. Results revealed that in the first 4 hours after acute spinal cord injury, initial amplitude of injury potential was greatest after severe injury, followed by moderate and mild injuries. Amplitude of injury potential decreased gradually with injury time, and the recession curve was logarithmic. Under the same degree of injuries, amplitude of rostral injury potential was generally less than caudal injury potential. Results suggested that injury potential reflected injury severity, because large initial amplitude of injury potential during the early injury stage implied severe injury.
基金This work was supported by the National Natural Science Foundation of China[grant number 81500921]the National Key Research and Development Program of China[grant number 2016YFC0800700]+1 种基金the Shanghai Key Laboratory of Forensic Medicine[grant number 17DZ2273200]the Shanghai Forensic Service Platform[grant number 16DZ290900].
文摘Extracranial carotid artery injuries may produce severe haemorrhage,cerebral damage or arteriovenous fistula.Examples of traumatic extracranial carotid-jugular fistula are not frequently reported,especially in forensic medicine.We report a controversial case of an extracranial internal carotid-jugular fistula resulting from a stab wound to the neck.The degree of the injury was classified under“The Standard of Human Body Injury Assessment(2014)”(SIA)in China by forensic examiners.We believe this case report will provide information for the forensic assessment of similar cases.
