The effects of cutting-aspiration of nucleus pulposus on the momements of the cervical spine in flexion,extension and lateral bending with fresh cervical spine specimens were tested by means of contacting measement wi...The effects of cutting-aspiration of nucleus pulposus on the momements of the cervical spine in flexion,extension and lateral bending with fresh cervical spine specimens were tested by means of contacting measement with the dial indicators when loaded with the electronic universal testing machine.The results showed:(1) Cutting-aspiration of nucleus pulposus only removed part of the nucleus pulposus,which was consistent with the clinical observation;(2)The ranges or motion(ROMs) of the operative segment had not increased in direction of flexion,extension and lateral bending after cutting-aspiration of nucleus pulposus:(3)After nucleotomy,the ROMs corresponding upon the operative segment apparently increased in flexion and extension,but had no change in lateral bending;(4)Hemilaminectomy of cervical spine which was an operation or partial removal of the ligamentum flavum and the lamina only had little afrection on the cervical stability. The biomechanical data can not only demonstrate the reliability of percutaneous dlscectomy,but also present a new enlightement for the clinical therapy of cervical disc herniation with spinal canal stenosis.展开更多
Rotatory chiropractic is one of the key manipulations in the treatment of low-er backache. The present paper reports the kinematic changes in the posterior element oflumbar spine during rotatory manipulation, using mo...Rotatory chiropractic is one of the key manipulations in the treatment of low-er backache. The present paper reports the kinematic changes in the posterior element oflumbar spine during rotatory manipulation, using motion segments of lumbar spine fromfresh cadavers as specimens and an electromechanical system for the measurements. Theanalysis of the angle-displacement curve and the load-angle curve reveals that rotatorychiropractic is a kind of complicated 3-D. 6-degree-of-freedom motion. Correctmanipulation may adjust the volume of the nerve root canal and relax the articulation be-tween the upper and lower joint processes so as to relieve the adhesion of the enclosuresin the nerve root canal and relieve the adhesion of the facet joints, and bring aboutimprovement of local circulation and amelioration of symptoms.展开更多
Objective: We have reported the presence of discogenic visceral pain secondary to anterior herniation of the lumbar disc. The aim of this study was to observe the inflammatory response of the sympathetic trunk to an a...Objective: We have reported the presence of discogenic visceral pain secondary to anterior herniation of the lumbar disc. The aim of this study was to observe the inflammatory response of the sympathetic trunk to an autologous degenerative nucleus pulposus(NP) injection under fluoroscopy. Methods: A total of 72 rats were used. In 24 rats,the autologous NP suspension was injected into the right sympathetic trunk. Next,food intake and body weight of each rat were monitored for 14 days. Fourteen days after the injection,the right lumbar sympathetic trunk was harvested for histological assessment,and protein levels of IL-1 β,IL-6,and TNF-α were quantified via ELISA. Results: In the NP-treated group,endoneural hyperemia and intensive infiltration of inflammatory cells could be identified in sections of the sympathetic trunk by the hematoxylin and eosin(H&E) stain. Meanwhile,elevated concentrations of IL-1 β,IL-6,and TNF-α were determined in the sympathetic trunk of the NP group as compared to that of the na?ve and control groups,which indicated the development of an inflammatory response. Furthermore,food intake and body weight of rats in the NP group decreased significantly. Conclusions: The results indicated that an inflammatory response in the sympathetic trunk can be caused by anterior herniation of the lumbar disc,which can generate a sympathetic inflammatory pain response.展开更多
文摘The effects of cutting-aspiration of nucleus pulposus on the momements of the cervical spine in flexion,extension and lateral bending with fresh cervical spine specimens were tested by means of contacting measement with the dial indicators when loaded with the electronic universal testing machine.The results showed:(1) Cutting-aspiration of nucleus pulposus only removed part of the nucleus pulposus,which was consistent with the clinical observation;(2)The ranges or motion(ROMs) of the operative segment had not increased in direction of flexion,extension and lateral bending after cutting-aspiration of nucleus pulposus:(3)After nucleotomy,the ROMs corresponding upon the operative segment apparently increased in flexion and extension,but had no change in lateral bending;(4)Hemilaminectomy of cervical spine which was an operation or partial removal of the ligamentum flavum and the lamina only had little afrection on the cervical stability. The biomechanical data can not only demonstrate the reliability of percutaneous dlscectomy,but also present a new enlightement for the clinical therapy of cervical disc herniation with spinal canal stenosis.
文摘Rotatory chiropractic is one of the key manipulations in the treatment of low-er backache. The present paper reports the kinematic changes in the posterior element oflumbar spine during rotatory manipulation, using motion segments of lumbar spine fromfresh cadavers as specimens and an electromechanical system for the measurements. Theanalysis of the angle-displacement curve and the load-angle curve reveals that rotatorychiropractic is a kind of complicated 3-D. 6-degree-of-freedom motion. Correctmanipulation may adjust the volume of the nerve root canal and relax the articulation be-tween the upper and lower joint processes so as to relieve the adhesion of the enclosuresin the nerve root canal and relieve the adhesion of the facet joints, and bring aboutimprovement of local circulation and amelioration of symptoms.
基金Supported by the Beijing Municipal Administration of Hospitals Youth program,code:20160807 Capital Medical University basic-clinical research cooperation fund project,code:16JL43
文摘Objective: We have reported the presence of discogenic visceral pain secondary to anterior herniation of the lumbar disc. The aim of this study was to observe the inflammatory response of the sympathetic trunk to an autologous degenerative nucleus pulposus(NP) injection under fluoroscopy. Methods: A total of 72 rats were used. In 24 rats,the autologous NP suspension was injected into the right sympathetic trunk. Next,food intake and body weight of each rat were monitored for 14 days. Fourteen days after the injection,the right lumbar sympathetic trunk was harvested for histological assessment,and protein levels of IL-1 β,IL-6,and TNF-α were quantified via ELISA. Results: In the NP-treated group,endoneural hyperemia and intensive infiltration of inflammatory cells could be identified in sections of the sympathetic trunk by the hematoxylin and eosin(H&E) stain. Meanwhile,elevated concentrations of IL-1 β,IL-6,and TNF-α were determined in the sympathetic trunk of the NP group as compared to that of the na?ve and control groups,which indicated the development of an inflammatory response. Furthermore,food intake and body weight of rats in the NP group decreased significantly. Conclusions: The results indicated that an inflammatory response in the sympathetic trunk can be caused by anterior herniation of the lumbar disc,which can generate a sympathetic inflammatory pain response.