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Neural Regeneration Research 2020年第9期15卷 1767-1768页

作者： Sung Ho Jang han do lee Department of Physical Medicine and Rehabilitation College of MedicineYeungnam UniversityDaeguRepublic of Korea Department of Physical Therapy College of Natural ScienceUlsan College UniversityUlsanRepublic of Korea

Consciousnessiscontrolledbytheascendingreticularactivating system (ARAS)(Teasdale and Jennett, 1974;Jang and lee, 2015;Jang et al., 2016a). Scientific medical strategies for recovery in patients with impaired consciou... 详细信息

关键词： impaired system consciousness

Appearance of a neural bypass between injured cingulum and brainstem cholinergic nuclei of a patient with traumatic brain injury on follow-up diffusion tensor tractography images

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Neural Regeneration Research 2015年第3期10卷 498-500页

作者： han do lee Sung Ho Jang Department of Physical Medicine and Rehabilitation College of MedicineYeungnam University

The human brain is known to contain a maximum of eight cholinergic nuclei： the basal forebrain region： the medial septal nucleus （Ch 1）, the vertical nucleus of the diagonal band （Ch 2）, the horizontal limb of the diago- nal band （Ch 3）, and the nucleus basalis of Meynert （Ch 4）; the brainstem： the pedunculopontine nucleus （Ch 5）, the laterodorsal tegmental nucleus （Ch 6）, and the para- bigeminal nucleus （Ch 8）; and the thalamus： the medial habenular nucleus （Ch 7）（Nieuwenhuys et al., 2008; Naidich and Duvernoy, 2009）. The cingulum is the neu- ral tract extending from the orbitofrontal cortex to the medial temporal lobe （Mufson and Pandya, 1984）. The cingulum plays an important role in memory because it is a passage of the medial cholinergic pathway, which pro- vides cholinergic innervations to the cerebral cortex after originating from Ch 1 and Ch 2 as well as Ch 4 （mainly）（Selden et al., 1998; Nieuwenhuys et al., 2008; Hong and lang, 2010）.

关键词： Appearance of a neural bypass between injured cingulum and brainstem cholinergic nuclei of a patient with traumatic brain injury on follow-up diffusion tensor tractography images DTI

Detection of thinned corticospinal tract and corticoreticular pathway in a patient with a calf circumference discrepancy

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Neural Regeneration Research 2018年第2期13卷 366-368页

作者： han do lee min cheol chang department of physical medicine and rehabilitation college of medicineyeungnam university

In clinical practice, it is challenging to elucidate the location of the lesion in a patient＇s nervous system that is causing the neurologic symptoms, because lesions are often microscopic and cannot be revealed by c... 详细信息

关键词： Detection of thinned corticospinal tract and corticoreticular pathway in a patient with a calf circumference discrepancy CRP CST

Injury of the dentatorubrothalamic tract in patients with post-traumatic tremor following mild traumatic brain injury: a case-control study

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Neural Regeneration Research 2020年第11期15卷 2063-2066页

作者： Sung Ho Jang han do lee Department of Physical Medicine and Rehabilitation College of MedicineYeungnam UniversityDaeguRepublic of Korea Department of Physical Medicine and Rehabilitation College of Natural ScienceUlsan College UniversityUlsanRepublic of Korea

Post-traumatic movement disorder is one of the sequelae of traumatic brain injury. The dentatorubrothalamic tract(DRTT) is reported to be involved in the control of movement. Therefore, injury of the DRTT can be accompanied by abnormal movements, including ataxia, tremor, or dystonia. We investigated DRTT injuries in 27 patients who showed post-traumatic tremor in at least one of four extremities following mild traumatic brain injury. We classified DRTT injuries based on diffusion tensor tractography parameters and configuration: type A: the DRTT showed narrowing, type B: the DRTT showed partial tearing, and type C: the DRTT showed discontinuation. Fractional anisotropy and fiber number of the DRTT were significantly decreased in patients compared with the healthy controls. Based on our DRTT injury classification, among the 54 hemispheres of the 27 patients, type A injury occurred in 22 hemispheres(40.7%) of 17 patients, type B injury was present in 15 hemispheres(27.7%) of 10 patients, and type C injury was observed in 8 hemispheres(14.8%) of 6 patients. Our results suggest that diffusion tensor tractography-based evaluation of the DRTT would be useful when determining cause of post-traumatic tremor in patients with mild traumatic brain injury. The study protocol was approved by the Institutional Review Board of Yeungnam University Hospital(YUMC-2018-09-007) on September 5, 2018.

关键词： dentatorubrothalamic tract diffusion tensor imaging diffusion tensor tractography fiber number fractional anisotropy mild traumatic brain injury post-traumatic tremor region of interest

Diffusion tensor tractography studies on mechanisms of recovery of injured fornix

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Neural Regeneration Research 2017年第10期12卷 1742-1744页

作者： Sung Ho Jang han do lee Department of Physical Medicine and Rehabilitation College of MedicineYeungnam UniversityNamkuDaeguRepublic of Korea

The fornix,which connects the medial temporal lobe and the medial diencephalon,is involved in episodic memory as an important part of the Papez *** mechanisms of recovery of an injured fornix revealed by diffusion tensor tractography in the five studies are summarized as follows：1） recovery through the nerve tract from an injured fornical crus to the medial temporal lobe via the normal pathway of the fornical crus;2）recovery through the nerve tract originating from an ipsi-lesional fornical body connected to the ipsi-lesional medial temporal lobe via the splenium of the corpus callosum;3） recovery through the nerve tract from the ipsi-lesional fornical body extending to the contra-lesional medial temporal lobe via the splenium of the corpus callosum;4） recovery through the nerve tract originating from the ipsi-lesional fornical column connected to the ipsi-lesional medial temporal lobe;and 5） recovery through the nerve tract originating from the contra-lesional fornical column connected to the ipsi-lesional medial temporal lobe via the contra-lesional medial temporal lobe and the splenium of the corpus *** diffusion tensor tractography studies on mechanisms of recovery of injured fornical crus appeared to provide useful information for clinicians caring for patients with brain injury,however,studies on this topic are still in the beginning stages.

关键词： nerve regeneration fornix diffusion tensor tractography recovery mechanism memory assessment scale Papez neural regeneration

Gait deterioration due to neural degeneration of the corticoreticular pathway:a case report

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Neural Regeneration Research 2016年第4期11卷 687-688页

作者： Sung Ho Jang han do lee Department of Physical Medicine and Rehabilitation College of MedicineYeungnam University

The corticoreticular pathway（CRP）mainly mediates proximal and axial muscles and therefore it is an important neural tract for walking（Miyai et al.,2002;Matsuyama et al.,2004;Mendoza and Foundas,2007）.Diffusion ten... 详细信息

关键词： CRP Gait deterioration due to neural degeneration of the corticoreticular pathway DTT

Injury of the superior longitudinal fasciculus by ventriculoperitoneal shunt:a diffusion tensor tractography study

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Neural Regeneration Research 2018年第7期13卷 1288-1289页

作者： Sung Ho Jang han do lee Department of Physical Medicine and Rehabilitation College of MedicineYeungnam University

In this study,we report on a patient who suffered from injury of the superior longitudinal fasciculus following ventriculoperitoneal（VP）shunt operation,which was demonstrated with diffusion tensor tractography（DTT）.An 82-year-old female patient was diagnosed as suffering from normal pressure hydrocephalus（NPH）and underwent VP shunt operation approached through the right posterior parietal area in the brain 3 years ago （Figure 1A）.

关键词： NPH DTI SLF VP Figure

Recovery of multiply injured ascending reticular activating systems in a stroke patient

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Neural Regeneration Research 2017年第4期12卷 671-672页

作者： sung ho jang han do lee department of physical medicine and rehabilitation college of medicineyeungnam universityDaemyungdongNamguDaeguRepublic of Korea

Consciousness is controlled by ular activating system （ARAS）. lower and upper parts between activation of the ascending retic- The ARAS consists mainly of the the thalamus and cerebral cortex （Edlow et al., 2012; Yeo et al., 2013; Jang et al., 2014）. Because the ARAS is composed of several neuronal circuits connecting the brainstem to the cortex. These neuronal connections begin from the reticular formation （RF） of the brainstem and the intralaminar nucleus of thalamus to the cerebral cortex （Gosseroes et al., 2011）. In addition, the ARAS system also includes several brainstem nuclei （such as dorsal raphe, locus coeruleus, pedun-culopontine nucleus, median raphe and parabrachial nucleus）, non-specific thalamic nuclei, hypothalamus, and basal forebrain （Fuller et al., 2011）.

关键词： ARAS Recovery of multiply injured ascending reticular activating systems in a stroke patient

Selective verbal memory impairment due to left fornical crus injury in a patient with intraventricular hemorrhage

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Neural Regeneration Research 2014年第13期9卷 1313-1315页

作者： han do lee Sung Ho Jang Department of Physical Medicine and Rehabilitation College of Medicine Yeungnam University Namku Daegu Republic of Korea

The fornix, a part of the Papez circuit, transfers information of episodic memory between the medial temporal lobe and the medial diencephalon （Aggleton and Brown, 1999）. The right medial temporal lobe is known to be specialized for visual memory and the left medial temporal lobe for verbal memory （Tucker et al., 1988; Aegleton and Brown, 1999）.

关键词： left Selective verbal memory impairment due to left fornical crus injury in a patient with intraventricular hemorrhage

Traumatic axonal injury of the cingulum in patients with mild traumatic brain injury: a diffusion tensor tractography study

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Neural Regeneration Research 2019年第9期14卷 1556-1561页

作者： Sung Ho Jang Seong Ho Kim han do lee Department of Physical Medicine and Rehabilitation College of MedicineYeungnam UniversityNamkuDaeguRepublic of Korea Department of Neurosurgery College of MedicineYeungnam UniversityNamkuDaeguRepublic of Korea

The cingulum,connecting the orbitofrontal cortex to the medial temporal lobe,involves in diverse cognition functions including attention,memory,and *** investigate the relationship between the cingulum injury and cognitive impairment in patients with chronic mild traumatic brain injury,we evaluated the integrity between the anterior cingulum and the basal forebrain using diffusion tensor tractography in 73 patients with chronic mild traumatic brain injury(39 males,34 females,age 43.29±11.42 years)and 40 healthy controls(22 males,18 females,age 40.11±16.81 years).The patients were divided into three subgroups based on the integrity between the anterior cingulum and the basal forebrain on diffusion tensor tractography:subgroup A(n=19 patients)– both sides of the anterior cingulum were intact;subgroup B(n=36 patients)– either side of the anterior cingulum was intact;and subgroup C(18 patients)– both sides of the anterior cingulum were *** were significant differences in total Memory Assessment Scale score between subgroups A and B and between subgroups A and *** were no significant differences in diffusion tensor tractography parameters(fractional anisotropy,apparent diffusion coefficient,and fiber volume)between patients and *** findings suggest that the integrity between the anterior cingulum and the basal forebrain,but not diffusion tensor tractography parameter,can be used to predict the cognitive function of patients with chronic mild traumatic brain *** study was approved by Yeungnam University Hospital Institutional Review Board(approval ***-2014-01-425-010)on August 16,2017.

关键词： mild traumatic brain injury brain trauma diffusion tensor tractography diffusion tensor imaging cognitive impairment cingulum memory Glasgow Coma Scale neural regeneration