• Title/Summary/Keyword: brain infarction

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A preliminary study for the cerbral infarcted brain atrophy and osteoprosis via female reproductive physiology (Osteoporosis formation and alteration of female sex hormone after Cerebral Infarction) (여성의 뇌졸중후 골다공증에 대한 조경론적(調經論的) 기초연구)

  • Lee, Jong-Soo;Yoon, Sang-Hyub
    • The Journal of Korea CHUNA Manual Medicine
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    • v.1 no.1
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    • pp.125-137
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    • 2000
  • the aim of this study was to investigate whether osteoporosis can be advanced after cerebral infarction Of not and role of female sex hormone. all animals were classified 4 groups; group of ovariectomy (OVXgroup) group of cerebral infarction( INF group), group of combination ovariectomy and cerebral infarction(OVX + INF group), naturally intact group for control data (NOR group ). cerebral infarction was made by Chen,s method with some modification and ovariectomy was performed by Wayforth,s method. experimental data was collected at 15 days, 1 month, 3 months and 6months after starting observation. serum 17 ${{\beta}-estradiol\;(E_2)}$ was determined by radioimmunoassay, for comparision of osteoporosis formation, bone density, serum osteocalcin, Serum total calcium and phosphorus, Serum AST Concentration, Serum ALT Concentration, Creatinine Concentration were also calculated. we have found that cerebral ischemia decreases not only the serum concentration of 17 ${{\beta}-estradiol\;(E_2)}$ and inhibits but also the physiologically compensatory function of the ovariectomized rats and that the decreased estrogen concentration followed by cerebral infarction have not produced osteoporosis, regretfully.

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Milk Fat Globule-Epidermal Growth Factor VIII Ameliorates Brain Injury in the Subacute Phase of Cerebral Ischemia in an Animal Model

  • Choi, Jong-Il;Kang, Ho-Young;Han, Choongseong;Woo, Dong-Hun;Kim, Jong-Hoon;Park, Dong-Hyuk
    • Journal of Korean Neurosurgical Society
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    • v.63 no.2
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    • pp.163-170
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    • 2020
  • Objective : Milk fat globule-epidermal growth factor VIII (MFG-E8) may play a key role in inflammatory responses and has the potential to function as a neuroprotective agent for ameliorating brain injury in cerebral infarction. This study aimed to determine the role of MFG-E8 in brain injury in the subacute phase of cerebral ischemia in a rat model. Methods : Focal cerebral ischemia was induced in rats by occluding the middle cerebral artery with the modified intraluminal filament technique. Twenty-four hours after ischemia induction, rats were randomly assigned to two groups and treated with either recombinant human MFG-E8 or saline. Functional outcomes were assessed using the modified Neurological Severity Score (mNSS), and infarct volumes were evaluated using histology. Anti-inflammation, angiogenesis, and neurogenesis were assessed using immunohistochemistry with antibodies against ionized calcium-binding adapter molecule 1 (Iba-1), rat endothelial cell antigen-1 (RECA-1), and bromodeoxyuridine (BrdU)/doublecortin (DCX), respectively. Results : Our results showed that intravenous MFG-E8 treatment did not reduce the infarct volume; however, the mNSS test revealed that neurobehavioral deficits were significantly improved in the MFG-E8-treated group than in the vehicle group. Immunofluorescence staining revealed a significantly lower number of Iba-1-positive cells and higher number of RECA-1 in the periinfarcted brain region, and significantly higher numbers of BrdU- and DCX-positive cells in the subventricular zone in the MFG-E8-treated group than in the vehicle group. Conclusion : Our findings suggest that MFG-E8 improves neurological function by suppressing inflammation and enhancing angiogenesis and neuronal proliferation in the subacute phase of cerebral infarction.

Computer Aided Diagnosis Applications for the Differential Diagnosis of Infarction: Apply on Brain CT Image (뇌경색 감별진단을 위한 컴퓨터보조진단 응용: Brain CT Images 적용)

  • Park, Hyong-Hu;Cho, Mun-Joo;Im, In-Chul;Lee, Jin-Soo
    • Journal of the Korean Society of Radiology
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    • v.10 no.8
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    • pp.645-652
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    • 2016
  • In this study, based on the analysis of texture feature values of statistical properties. And we examined the normal and the applicability of the computer-aided diagnosis of cerebral infarction in the brain computed tomography images. The experiment was analyzed to evaluate the ROC curve recognition rate of disease using six parameters representing the feature values of the texture. As a result, it showed average mean 88%, variance 92%, relative smoothness 94%, uniformity of 88%, a high disease recognition rate of entropy 84%. However, it showed a slightly lower disease recognition rate and 58% for skewness. In the analysis using ROC curve, the area under the curve for each parameter indicates 0.886 (p = 0.0001) or more, resulted in a meaningful recognition of the disease. Further, to determine the cut-off values for each parameter are determined to be the prediction of disease through the computer-aided diagnosis.

Postanesthetic Cerebral Infarction Following Neck Dissection -A case report - (경부청소술 마취 후 발생한 뇌경색 -증례 보고-)

  • Park, Chang-Joe;Lee, Jong-Ho;Kim, Myung-Jin;Kim, Hyun-Jeong;Yum, Kwang-Won
    • Journal of The Korean Dental Society of Anesthesiology
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    • v.3 no.1 s.4
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    • pp.34-37
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    • 2003
  • Postoperative stroke is uncommon even in elderly patients, who have a higher incidence of all types of postoperative complications. The mechanism of postoperative stroke is not certain, but can be explained by intravascular clottings originated from thrombus or embolus or by intracranial hemorrhage. In a 66-year-old male patient with current hypertension medication, who underwent both neck dissection for malignancy metastasis under general anesthesia, the left hemiparesis and delayed emergency were found postoperatively. After transferred to intensive care unit, he got the thrombolytic therapy and then the therapies to decrease the swelling of the brain on the diagnosis of cerebral infarction in the vascular distribution of the middle cerebral artery. A brain MRI definitely showed the midline deviation to the left of the right brain hemisphere due to the progressing edematous changes. As he got worse, the emergency neurosurgical operation was proposed but rejected by his family. He died at postoperative 3 days. In this hypertensive patient. perioperative stroke could be originated from the surgical stimuli on major vessels, which were inevitable in neck dissection during the operation. We report this case of the postoperative stroke, which could be highly possible to be associated with extensive head and neck surgery.

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Effects of Ginseng Radix plus Crataegi Fructus on the injury of brain tissue in the mice with Alzheimer's disease induced by ${\beta}$ amyloid peptide(${\beta}A$). (인삼산사복합방(人蔘山査複合方)이 Alzheimer성 치매 병태(病態) 생쥐의 뇌조직 손상에 미치는 효과)

  • Han, Sin-Hee;Kil, Gi-Jung
    • The Korea Journal of Herbology
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    • v.21 no.4
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    • pp.123-131
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    • 2006
  • Objectives : This research was investigated the effect of the Ginseng Radix plus Crataegi Fructus on the injury of brain tissue in the mice with Alzheimer's disease induced by ${\beta}A$. Methods : Observed a change of the injury of brain tissue and reduced the infarction area of hippocampus in the mice with Alzheimer's disease induced by ${\beta}A$. Results : 1. The Gin-CF extract reduced the infarction area of hippocampus, and controlled the injury of brain tissue in the mice with Alzheimer's disease induced by ${\beta}A$. 2. The Gin-CF extract reduced the Tau protein, GFAP protein, and presenilin1/presenilin2 protein (immunohistochemistry) of hippocampus in the mice with Alzheimer's disease induced by ${\beta}A$. Conclusion : These results suggest that the Ginseng Radix plus Crataegi Fructus extract may be effective for the prevention and treatment of Alzheimer's disease. Investigation into the clinical use of the Ginseng Radix plus Crataegi Fructus extract for Alzheimer's disease is suggested for future research.

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Case Reports about Brainstem Infarction -Dejerine′s syndrome and Wallenburg′s syndrome- (뇌간 경색에 대한 고찰 -Dejerine′s syndrome 1례 및 Wallenburg′s syndrome 1례-)

  • Cho Gwon Il;Han Myoung Ah;Lee Ji Yeon;Choi Jin Young;Kim Dong Woung;Jung Dae Young;Kim Kwan Sik
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.16 no.6
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    • pp.1291-1296
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    • 2002
  • Blood circulation of brain is divided into two major categories; anterior one from carotid artery and posterior one from vertebrobasilar artery. In stroke patients, it is important to diagnose which is involved, because there is many difference in the aspects of clinical menifestations and prognosis, especially in the acute stage. In some cases of vertebrobasilar infarction, such as Wallenberg's syndrome, charicteristic cranial nerve signs, eye movement disorders and cerebellar signs are appeared. And in Dejerine's syndrome, only pure motor or sensory defecits can be appeared without any brainstem signs. So It shoud be differenciated by Brain MRI from those of the cerebral hemisphere lesions. And in the cases that nausea, vomitting and dysphagia are the first menifestations, it is frequently misdiagnosed as internal medical disease, causing appropriate treatment delayed. In this case report, we are to describe the clinical menifestations and progresses of two cases of brainstem infarctions, review previously published case reports about them and compare them to our cases. The first is Dejerine's syndrome i.e. medial medullary infarction, the second is Wallenberg's syndrome i.e. lateral medullary infarction. Simultaneously we are to investigate the oriental medical approach in the bran stem infarctions.

The Effect of Scalp Acupuncture and rTMS on Neuromotor Function in Photothrombotic Stroke Rat Model

  • Jong-Seong Park;Eun-Jong Kim;Min-Keun Song;Jung-Kook Kim;Ganbold Selenge;Sam-Gyu Lee
    • Biomedical Science Letters
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    • v.29 no.4
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    • pp.263-273
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    • 2023
  • This study aimed to investigate effect of scalp acupuncture (SA) and repetitive transcranial magnetic stimulation (rTMS) intervention on neuromotor function in photothrombotic cerebral infarction (PCI) rat model. Sixty male SD rats were used. PCI was induced on M1 cortex of right frontal lobe. SA was performed at the Qianding (GV21), Xuanli (GB6) acupoints of ipsilesional M1. Low-frequency rTMS was delivered to contralesional M1. All rats were randomly divided into 4 groups: group A, normal (n, 15); group B, PCI without any stimulation intervention (n, 15); group C, PCI with SA (n, 15); group D, PCI with rTMS (n, 15). Rota-rod test and Ladder rung walking test (LWT) were done weekly for 8 weeks after PCI. SA or rTMS was started from post-PCI 4th day as protocol for 8 weeks. H/E stain and IHC were done. Western blot and qRT-PCR study were performed for MAP2 and BDNF from ipsilesional M1 peri-infarction tissue. Brain MRI study was conducted to quantify the volume of cerebral infarction. As a result, left forelimb and hindlimb function significantly improved more in group C and D than control group, with expressed more BDNF and MAP2. And brain MRI showed focal infarction of right M1 after PCI, and infarction volume progressively decreased in group C and D than group B from post-PCI 5th to 8th week. SA or rTMS was more effective than no intervention group on neuromotor function of PCI rat model. The functional recovery was associated with stimulation intervention-related neurogenesis.

A Clinical Study on Stroke patients(CVA) in Seosan province (서산 지역에서의 중풍에 대한 임상적 고찰)

  • Lee, Geun-Dong;Seo, Jong-Eun;Han, Sung-Soo
    • The Journal of Internal Korean Medicine
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    • v.21 no.5
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    • pp.715-721
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    • 2000
  • Objective : The purpose of this study is about stroke patients in Seosan. Method : The subjects of this study were 45 patients who were admitted to Hanseo University Oriental Hospital because of stroke. Each patients was diagnosed with Brain CT, sasang constitutional analysis. Results : 1. The rates in CVA was 58% on cerebral infarction, and 42% on cerebral hemorrhage. 2. The sites of cerebral infarction were Basal ganglia, MCA, Internal. External capsule. Thalamus, ect. Sites of cerebral hemorrhage were Thalamus, Basal ganglia, Cerebellum. 3. The ratio of left and right hemiplegia in cerebral infarction was 1:1.6, and in cerebral hemorrhage it was 1:2. 4. The most chief complaints in cerebral infarction, were hemiplegia, dysarthria, facial palsy, headache. In cerebral hemorrhage, their were hemiplegia, dysarthria, headache, dizziness, and facial palsy. 5. Classification of human corporal constitution in cerebral hemorrhage, the most was Taeumin, Soyangin, Soeumin. And in cerebral infarction, the most was Soyangin, Taeumin, Soyumin. 6. The ratio between male and female was 1.25:2 in cerebral hemorrhage, 2.5:5 in cerebral infarction. 7. The most prevalent age groups in cerebral hemorrhage was fifties to sixties. and in cerebral infarction was fifties to sixties. 8. The most common preceding disease in cerebral hemorrhage was HTN, DM. 9. The recurrence rate of cerebral hemorrhage was 16%, and cerebral infarction was 8%. 10. The ratio of recovery in cerebral hemorrhage was 84%, in cerebral infarction 58%. Conclusion : From this study, in cerebral hemorrhage most patients were Taeumin, in their fifties to sixties. And in cerebral infarction most patients were Soyangin, in their sixties to eighties. In both stroke patients, there were more female than male patients.

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Sphenoid Ridge Meningioma Presenting as Acute Cerebral Infarction

  • Ko, Jun Kyeung;Cha, Seung Heon;Choi, Chang Hwa
    • Journal of Korean Neurosurgical Society
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    • v.55 no.2
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    • pp.99-102
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    • 2014
  • A previously healthy 52-year-old man presented to the emergency room with acute onset left hemiparesis and dysarthria. Brain computed tomography and magnetic resonance examinations revealed acute cerebral infarction in the right middle cerebral artery territory and a sphenoid ridge meningioma encasing the right carotid artery terminus. Cerebral angiography demonstrated complete occlusion of the right proximal M1 portion. A computed tomography perfusion study showed a wide area of perfusion-diffusion mismatch. Over the ensuing 48 hours, left sided weakness deteriorated despite medical treatment. Emergency extracranial-intracranial bypass was performed using a double-barrel technique, leaving the tumor as it was, and subsequently his neurological function was improved dramatically. We present a rare case of sphenoid ridge meningioma causing acute cerebral infarction as a result of middle cerebral artery compression.

Case Report of Both Anterior Cerebral Artery Territory Infarction (양측 전대뇌동맥영역 뇌경색 환자의 증례보고)

  • Yun, Jong Min
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.30 no.1
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    • pp.73-79
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    • 2016
  • It was aimed to report a case of both anterior cerebral artery territory infarction patient improved by korean medical treatment. The patient was diagnosed by brain magnetic resonance imaging(MRI) and magnetic resonance angiography(MRA). The symptoms were quadriplegia, urinary frequency, urinary incontinence and abulia. I applied herbal medicine, acupuncture, moxibustion, pharmacopuncture, cupping and physical exercise therapy. As a result of them, the symptoms of the patient were improved considerably. Status of the patient was evaluated by manaul muscle test(MMT), modified barthel index(MBI) and functional independence measure(FIM) and medical interview. MBI score was changed from 35 to 95 and FIM score was changed from 66 to 115. Therefore this report suggests that korean medical treatment could be effective to the anterior cerebral artery territory infarction.