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Applied neurophysiology最新文献

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Dorsal root entry zone lesions for conus medullaris root avulsions. 脊髓圆锥根撕脱的背根进入区病变。
Applied neurophysiology Pub Date : 1988-01-01 DOI: 10.1159/000099963
J J Moossy, B S Nashold
{"title":"Dorsal root entry zone lesions for conus medullaris root avulsions.","authors":"J J Moossy,&nbsp;B S Nashold","doi":"10.1159/000099963","DOIUrl":"https://doi.org/10.1159/000099963","url":null,"abstract":"<p><p>We have found dorsal root entry zone (DREZ) lesions to be an effective treatment of chronic deafferentation pain in patients who have had avulsions of the dorsal rootlets from the spinal cord. Eight patients were operated in whom chronic pain of the lower extremity resulted from dorsal root avulsions from the conus medullaris. In 7 of the 8 patients, the mechanism of injury was a motor vehicle accident; all 7 sustained severe pelvic trauma. Seven of the 8 patients remained pain-free, off all narcotics, with an average follow-up of 33 months. All patients had DREZ lesions of the conus performed by radiofrequency techniques.</p>","PeriodicalId":75525,"journal":{"name":"Applied neurophysiology","volume":"51 2-5","pages":"198-205"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000099963","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14515247","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 16
Intraoperative somatosensory evoked potentials. A localizing technique in the DREZ operation. 术中躯体感觉诱发电位。DREZ行动中的一种定位技术。
Applied neurophysiology Pub Date : 1988-01-01
T Makachinas, J Ovelmen-Levitt, B S Nashold
{"title":"Intraoperative somatosensory evoked potentials. A localizing technique in the DREZ operation.","authors":"T Makachinas,&nbsp;J Ovelmen-Levitt,&nbsp;B S Nashold","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The localization of neural pathology by the evoked potential technique through the use of the Nicolet compact four-signal averager is reviewed. Stimulating electrode application on facial nerves and peripheral nerves of the limbs is described, as well as spinal cord and medullary recording electrode type and placement. Several pathological lesions causing pain are presented and the intraoperative evoked potentials prior to and after lesion production are examined and analyzed.</p>","PeriodicalId":75525,"journal":{"name":"Applied neurophysiology","volume":"51 2-5","pages":"146-53"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14516169","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Functional microsurgical partial callosotomy in patients with secondary generalized epilepsies. II. Mesial surface electrocorticography. 继发性全身性癫痫的功能性显微外科部分胼胝体切开术。2中表面皮质电图。
Applied neurophysiology Pub Date : 1988-01-01 DOI: 10.1159/000099975
P C Ragazzo, G M Manzano, R Marino, G Gronich
{"title":"Functional microsurgical partial callosotomy in patients with secondary generalized epilepsies. II. Mesial surface electrocorticography.","authors":"P C Ragazzo,&nbsp;G M Manzano,&nbsp;R Marino,&nbsp;G Gronich","doi":"10.1159/000099975","DOIUrl":"https://doi.org/10.1159/000099975","url":null,"abstract":"<p><p>Eight patients with secondary generalized epilepsy not alleviated by medical treatment underwent partial callosotomy. During the surgical procedure, they had mesial surface ECoG recordings taken from both frontal and parietal lobes, using large flat multilead platinum electrodes, and simultaneously recordings from a number of scalp positions, using needle electrodes. In all cases studied, this approach demonstrated one or, more commonly, several focal areas of epileptiform activity discharging independently over the mesial aspects of one or both hemispheres. The findings were correlated with the pre- and postoperative EEG patterns, in the light of current concepts of generalized epilepsies.</p>","PeriodicalId":75525,"journal":{"name":"Applied neurophysiology","volume":"51 6","pages":"307-16"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000099975","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14545267","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Historical development of neural transplantation. 神经移植的历史发展。
Applied neurophysiology Pub Date : 1988-01-01 DOI: 10.1159/000099972
L F Borges
{"title":"Historical development of neural transplantation.","authors":"L F Borges","doi":"10.1159/000099972","DOIUrl":"https://doi.org/10.1159/000099972","url":null,"abstract":"<p><p>The techniques of neural transplantation are almost 100 years old. As these techniques begin to be used to treat human neurological disorders, it is important to remember the contributions of the many investigators who have advanced this fascinating area of neurobiology.</p>","PeriodicalId":75525,"journal":{"name":"Applied neurophysiology","volume":"51 6","pages":"265-77"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000099972","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14180738","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Deafferentation pain in man. 人的失聪疼痛。
Applied neurophysiology Pub Date : 1988-01-01 DOI: 10.1159/000099954
W H Sweet
{"title":"Deafferentation pain in man.","authors":"W H Sweet","doi":"10.1159/000099954","DOIUrl":"https://doi.org/10.1159/000099954","url":null,"abstract":"<p><p>Pains of various etiologies are described in so many overlapping ways that verbal descriptions alone do not permit a valid distinction between those pains associated with neurological injury (with or without sensory loss) and those associated with neurological compression. Nor does the fact of some sensory loss plus pain constitute a useful classification to determine either the mechanism of the pain or its treatment. Progress is more likely to ensue if we seek to characterize in detail each type of painful lesion. Evidence for these conclusions is drawn from cases of brachial plexus injury, trigeminal rhizotomy and tractotomy, postcordotomy dysesthesia and central pain treated by regional guanethidine block. Examples of the value of totally innovative approaches are drawn from the physics of elementary particles.</p>","PeriodicalId":75525,"journal":{"name":"Applied neurophysiology","volume":"51 2-5","pages":"117-27"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000099954","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14417982","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
The role of monopolar stimulation during computed-tomography-guided stereotactic biopsies. 单极刺激在计算机断层引导立体定向活检中的作用。
Applied neurophysiology Pub Date : 1988-01-01 DOI: 10.1159/000099382
D E Bullard, T T Makachinas, B S Nashold
{"title":"The role of monopolar stimulation during computed-tomography-guided stereotactic biopsies.","authors":"D E Bullard,&nbsp;T T Makachinas,&nbsp;B S Nashold","doi":"10.1159/000099382","DOIUrl":"https://doi.org/10.1159/000099382","url":null,"abstract":"<p><p>44 patients underwent intraoperative stimulation with a monopolar electrode prior to computed tomography (CT)-guided stereotactic biopsy. Stimulation at 2-100 Hz resulted in functional responses in 6/21 patients with subcortical or callosal lesions, 4/6 with basal ganglion lesions, 8/10 with thalamic and 4/4 with brainstem lesions. In all but 2 patients with mesencephalic lesions, where limited biopsy sites were available, an alternative biopsy site was used if a functional response was obtained. No morbidity was seen among these patients, although postbiopsy CT scans demonstrated small 3- to 7-mm hematomas in 5/11 patients. Retrospective review of 79 patients who underwent biopsies without stimulation demonstrated hematomas in 6/10 patients and a 3.3% transient surgical morbidity. These data indicate that postbiopsy hematomas are a relatively common occurrence, that intraoperative electrical stimulation within abnormal lesions can identify functional potential, and that avoidance of biopsies within these functional areas may be associated with reduced morbidity.</p>","PeriodicalId":75525,"journal":{"name":"Applied neurophysiology","volume":"51 1","pages":"45-54"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000099382","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14419832","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Functional microsurgical partial callosotomy in patients with secondary generalized epilepsies. I. Disruption of bilateral synchrony of spike and wave discharges. 继发性全身性癫痫的功能性显微外科部分胼胝体切开术。1 .双侧突波放电同步中断。
Applied neurophysiology Pub Date : 1988-01-01 DOI: 10.1159/000099974
P C Ragazzo, G M Manzano, R Marino
{"title":"Functional microsurgical partial callosotomy in patients with secondary generalized epilepsies. I. Disruption of bilateral synchrony of spike and wave discharges.","authors":"P C Ragazzo,&nbsp;G M Manzano,&nbsp;R Marino","doi":"10.1159/000099974","DOIUrl":"https://doi.org/10.1159/000099974","url":null,"abstract":"<p><p>Fourteen patients with secondary generalized epilepsy suffering from multiform seizures (MS) not amenable to medication were submitted to partial section of the corpus callosum. In all patients, there was a partial disruption of the previous generalized bilateral synchronous epileptiform discharges (GBSD). The electroencephalographic findings after callosal section are discussed with respect to their implications in furthering our understanding of the mechanisms subserving the organization of GBSD.</p>","PeriodicalId":75525,"journal":{"name":"Applied neurophysiology","volume":"51 6","pages":"297-306"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000099974","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14545266","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Proceedings of the 2nd International Symposium on Dorsal Root Entry Zone (DREZ) Lesions. Durham, N.C., April 24-26, 1987. 第二届背根进入区(DREZ)病变国际研讨会论文集。1987年4月24日至26日，北卡罗来纳州达勒姆。
Applied neurophysiology Pub Date : 1988-01-01
{"title":"Proceedings of the 2nd International Symposium on Dorsal Root Entry Zone (DREZ) Lesions. Durham, N.C., April 24-26, 1987.","authors":"","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75525,"journal":{"name":"Applied neurophysiology","volume":"51 2-5","pages":"65-263"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13976920","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Abnormal physiology of the dorsal horn as related to the deafferentation syndrome. 与传入神经丧失综合症有关的背角的异常生理。
Applied neurophysiology Pub Date : 1988-01-01 DOI: 10.1159/000099953
J Ovelmen-Levitt
{"title":"Abnormal physiology of the dorsal horn as related to the deafferentation syndrome.","authors":"J Ovelmen-Levitt","doi":"10.1159/000099953","DOIUrl":"https://doi.org/10.1159/000099953","url":null,"abstract":"<p><p>The spinal cord dorsal horn has been implicated in the generation of pain and dysesthesias following nerve and nerve root damage and/or avulsion, as well as following damage in adjacent spinal cord regions. Alterations in the functional properties of dorsal horn neurons occur after deafferentation and may underlie the occurrence of abnormal sensations referred to the denervated body part. Abnormal activity following deafferentation has also been noted at thalamic and cortical levels. Some of these post-denervation functional changes, determined anatomically and/or electrophysiologically, are reviewed as well as the results of behavioral studies of the deafferentation syndrome in the rat.</p>","PeriodicalId":75525,"journal":{"name":"Applied neurophysiology","volume":"51 2-5","pages":"104-16"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000099953","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14033573","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 39
Dorsal root entry zone coagulation for intractable sciatica. 顽固性坐骨神经痛的背根入区凝血治疗。
Applied neurophysiology Pub Date : 1988-01-01 DOI: 10.1159/000099964
S C Saris, J F Vieira, B S Nashold
{"title":"Dorsal root entry zone coagulation for intractable sciatica.","authors":"S C Saris,&nbsp;J F Vieira,&nbsp;B S Nashold","doi":"10.1159/000099964","DOIUrl":"https://doi.org/10.1159/000099964","url":null,"abstract":"<p><p>Chronic back and leg pain which is unresponsive to medical and/or surgical treatment is a common and difficult neurosurgical problem. Twelve patients with this condition underwent dorsal root entry zone coagulation of that region of the conus medullaris which correlated with the pain. Only 2 patients had a favorable result. The implications of this finding are discussed.</p>","PeriodicalId":75525,"journal":{"name":"Applied neurophysiology","volume":"51 2-5","pages":"206-11"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000099964","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14515248","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
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