• 제목/요약/키워드: Cerebral artery

검색결과 947건 처리시간 0.032초

Dissecting Aneurysm of the Anterior Cerebral Artery with Spontaneous Subarachnoid Hemorrhage

  • Lee, Young-Jin;Kim, Young-Gyu;Kim, Dong-Ho;Lee, Mou-Seop
    • Journal of Korean Neurosurgical Society
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    • 제41권2호
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    • pp.123-126
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    • 2007
  • A 58-year-old woman was admitted to our department due to headache. Brain computed tomography [CT] indicated subarachnoid hemorrhage [SAH], and emergency angiography showed dissecting aneurysm involving the left A1 segment We performed trapping of dissecting A1 aneurysm and the postoperative course was uneventful. We present a case of dissecting aneurysm in the anterior cerebral artery with spontaneous SAH which was treated by early surgery and resulted in clinically good prognosis.

Coil Embolization for Distal Middle Cerebral Artery Aneurysm

  • Cho, Chun-Sung;Kim, Young-Joon;Lee, Sang-Koo;Cho, Maeng-Ki
    • Journal of Korean Neurosurgical Society
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    • 제41권3호
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    • pp.193-195
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    • 2007
  • Middle cerebral artery [MCA] aneurysms are a common source of subarachnoid hemorrhage [SAH]. But, ruptured distal MCA aneurysm is very rare, and their clinical and radiological features are poorly understood. Microsurgical repair remains the most common method used to treat distal MCA aneurysm, even though endovascular coiling has been favored recently. We report our experience of successful coiling for ruptured distal MCA aneurysm, In selected patients, coiling may be a good treatment option for ruptured distal MCA aneurysm.

Intraoperative monitoring of somatosensory and visual evoked potentials for detecting posterior cerebral artery infarction during anteromesial temporal resection

  • Seo, Suyeon;Kim, Dong Jun;Lee, Chae Young
    • Annals of Clinical Neurophysiology
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    • 제22권2호
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    • pp.104-108
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    • 2020
  • We performed intraoperative neurophysiological monitoring (INM) during anteromesial temporal resection (AMTR) in a patient with lesional temporal lobe epilepsy. INM revealed a sudden decrease in N20 waves in somatosensory evoked potentials (SSEPs) and poor P100 waves in visual evoked potentials (VEPs). These changes developed after applying electrocoagulation in the right mesial temporal areas. Postoperative brain magnetic resonance imaging demonstrated right thalamic and medial occipital infarctions. SSEPs and VEPs monitoring can be useful for detecting posterior cerebral artery infarction in AMTR.

Ruptured Fusiform Anterior Cerebral Artery Aneurysm in an Infant : Case Report and a Literature Review

  • Wonseok Lee;Jong-Kook Rhim;Jin-Deok Joo;Ji Soon Huh;Ki-Bum Sim;You-Nam Chung
    • Journal of Korean Neurosurgical Society
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    • 제66권6호
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    • pp.743-747
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    • 2023
  • Ruptured intracranial aneurysms in infants are rare and infantile fusiform anterior cerebral artery (ACA) aneurysms are much rarer. In this report, we described the case of a 7-month-old infant with a ruptured fusiform ACA aneurysm who presented with seizure and underwent endovascular treatment. The patient was initially in a coma and the neurologic condition did not improve after treatment. The clinical characteristics of the case and literature review were discussed.

Ruptured mirror DACA aneurysm: A rare case report and review of literature

  • Deepak Kumar Singh;Prevesh Kumar Sharma;Arun Kumar Singh;Vipin Kumar Chand
    • Journal of Cerebrovascular and Endovascular Neurosurgery
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    • 제25권3호
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    • pp.340-346
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    • 2023
  • Bilateral distal anterior cerebral artery (DACA) aneurysms also called "kissing aneurysms" or "mirror aneurysm" are extremely rare, accounting for only 0.2% of all intracranial aneurysms. There have only been a few examples of mirror DACA aneurysms reported in the literature. Here, we report a rare case of mirror DACA aneurysm in a middle aged female with its successful clipping. Patient was admitted with severe headache and altered sensorium. Computed tomography (CT) head was suggestive of anterior inter-hemispheric hematoma. Digital subtraction angiography (DSA) was done which was suggestive of two distal anterior cerebral artery aneurysms located at same anatomical position. It was treated through microsurgical clipping. Mirror image DACA aneurysms are rare occurrence. All patients with ruptured DACA aneurysms should have angiography with 3D reconstruction studies. This aids in determining the aneurysm's morphology and planning treatment accordingly.

조구등이 뇌허혈을 유발시킨 백서에서의 뇌신경보호효과 (The Protective Effect of Uncariae Ramulus Et Uncus Extract on Middle Cerebral Artery Occlusion(MACO))

  • 강상렬;강승준;금현수;전연이;이은주;박치상;박창국;허진화;양재하
    • 대한한의학회지
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    • 제23권1호
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    • pp.1-10
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    • 2002
  • Objectives: Uncariae Ramulus Et Uncus extract is clinically used in Korea to treat ischemic cerebral damage. The present study was undertaken to study the neuroprotective effect of Uncariae Ramulus Et Uncus extract in middle cerebral artery occlusion (MCAO) rats. Methods: Changes of extracellular levels of dopamine, DOPAC, HVA. and HIAA in striatum were collected at 20 minutes interval by in vivo microdialysis and then analyzed by HPLC (high performance liquid chromatography) in rats subjected to permanent focal cerebral ischemia induced by 2 hours of MCAO. Uncariae Ramulus Et Uncus extract was orally administrated before MCAO. Different animals were used for measurement of cerebral infarction volume induced by 24 hours of MCAO with TIC staining and image analysis. Results: Extracellular levels of dopamine decreased after treatment with Uncariae Ramulus Et Uncus extract, while extracellular levels of DOPAC and HVA significantly increased. Cerebral infarction volume also significantly decreased after treatment with Uncariae Ramulus Et Uncus extract. Conclusions: These results provided evidence that Uncariae Ramulus Et Uncus extract can produce a neuroprotective effect on cerebral ischemia by regulating extracellular excitatory neurotransmitters.

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전교통 동맥에서 발생한 독립적인 2개의 동맥류 (Two Separate Aneurysms on Anterior Communicating Artery - A Case Report -)

  • 안정용;주진양
    • Journal of Korean Neurosurgical Society
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    • 제29권12호
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    • pp.1664-1667
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    • 2000
  • More than one cerebral aneurysm on the same artery is uncommon. Furthermore multiple aneurysms on the anterior communicating artery(ACoA) is very rare. We surgically experienced one case of two separate aneurysms on the ACoA ; one developed at the junction of the ACoA with the right second branch of anterior cerebral artery, and the other on inferior wall of the ACoA itself. The former, confirmed as ruptured on operation, projected superiorly and the latter directed inferiorly toward the prechiasmatic cistern. Radiographic and operative findings are presented with review of literature.

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TCD를 이용한 정상군과 고지혈증군의 혈류측정에 관한 비교연구 (Cerebral Blood Flow as Measured by TCD in Hyperlipidemic Group)

  • 박선미;김영균;권정남;신우진;손연희;정현윤;한현영;박가영
    • 동의생리병리학회지
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    • 제23권6호
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    • pp.1513-1520
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    • 2009
  • The purpose of this study was to compare cerebral blood flow between hyperlipidemic patient group and normal healthy aldult group using transcranial doppler ultrasonography(TCD). I investigated cerebral blood flow of 63 hyperlipidemic patients and 42 healthy adults. To evaluate the cerebral blood flow, I measured the systolic peak velocity(Vs) and mean flow velocity(Vm) of the milddle cerebral artery(MCA), anterior cerebral artery(ACA), posterior cerebral artery(PCA), basilar artery(BA), internal carotid artery(ICA) in the two groups using TCD. In normal healthy adults, subjects showed a decerease in Vs and Vm with advancing in age. There was a significant difference in the Vm of ICA. There was no significant differences in the Vm of ACA and ICA. In normal healthy adults, females showed high velocities of all examined vessel. There was a significant difference in the Vs of ICA. There was a significant differences in the Vm of MCA and ICA. Normal healthy adults higher than hyperlipidemic patients in the Vs of MCA, ACA, PCA. There was no significant difference in the Vs of all exmined vessels. Hyperlipidemic patientsincrease higher than normal healthy adults in the Vm of ACA. There was a significant difference in the Vs of BA. In the patients aged under 50's, normal healthy adults higher than hyperlipidemic patients in the Vs and Vm except BA. But there was no significant difference in all exmined vessels. In the patients aged over 50's, hyperlipidemic patients higher than normal healthy adults in all examined vessel expect PCA. There was a significant difference in the Vs of BA and ICA. And hyperlipidemic patients higher than that normal healthy adults in all exmined vessels. There was a significant difference in BA and ICA. In this study, visible differences in blood flow between hyperlipidemic patient group and normal healthy aldult group were shown. However, these results do not come up to the previous values that were reported and known worldwide.

뇌허혈기동안 경동맥으로 냉각 생리식염수 주입이 허혈후 뇌부종에 미치는 영향 (Effect of Intracarotid Cold Saline Infusion during Cerebral Ischemia on Brain Edema in the Rabbit)

  • 김세연;최규택
    • Journal of Yeungnam Medical Science
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    • 제12권2호
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    • pp.260-268
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    • 1995
  • 건전한 뇌의 수분 함량은 뇌혈류장벽의 투과성, 혈관내 정수압, 혈장의 삼투압 Na-K-APTase pump의 기능에 의해서 결정된다. 뇌허혈에 의해 이러한 기전이 파괴되면 세포 사이의 정상적인 수분이동이 영향을 받게 된다. 그러므로 뇌허혈이 생길 수 있는 수술의 경우에 분리 뇌관류를 하면 뇌허혈시 발생하는 독성 대사물을 발생을 억제하고 뇌혈류의 분포를 개선하여 신경세포의 손상을 줄이고 뇌부종을 감소시킬 수 있으리라 생각되어 토끼에서 분리 뇌관류 모델을 만들어 허혈 유도 후 관류군과 비관류군의 대뇌피질과 해면구의 비중을 정상 토끼와 비교하였다. 뇌허혈에 의해 관류군과 비관류군의 뇌비중이 유의하게 감소하여 뇌부종이 발생하였음을 나타내었고, 비관류군이 판류군보다 유의하게 감소하여 뇌부종이 더욱 현저하였던 것으로 보아 냉각 식염수로 뇌관류한 것이 뇌부종의 발생을 억제한 것으로 생각된다.

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대승기탕(大承氣湯)의 사하작용이 중대뇌동맥 폐쇄 흰쥐의 뇌경색에 미치는 영향 (Effects of Daeseungkitang on Cerebral Infarct of MCAO Rats)

  • 이규식;김연섭
    • 대한본초학회지
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    • 제26권3호
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    • pp.7-14
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    • 2011
  • Object : This study evaluated the effects of Daeseungkitang(DSK) on cerebral infarct of middle cerebral artery occlusion(MCAO). Method : Sprague-Dawley rats are used for observing to induce cerebral infraction closing its middle cerebral artery temporarily and take DSK by mouth the next 5 days, observe the amount of feces and urine. It is investigated the correlation between them after examining neurological score. Results : It is resulted the below. On the 2nd day of taking DSK, the total amount of feces of the cerebral infarct rats is increased significantly. After taking DSK, the urine volume of the cerebral infarct rats does not change at all. Taking DSK significantly improves neurological score of the cerebral infarct rats. There is a significant correlation between total amount of feces of the cerebral infarct rats and neurological score, otherwise there is no significant correlation between total amount of feces and neurological score which is taken DSK. By taking DSK, the volume of cerebral infarction does not decrease significantly. Taking DSK restrains the expression of iNOS in the cerebral cortex and striatum of the cerebral infarct rats. Taking DSK restrains the expression of MMP-9 in the cerebral cortex of the cerebral infarct rats. Taking DSK restrains the edema of astrocytes of the positive reaction of GFAP in the cerebral cortex of the cerebral infarct rats. Conclusion : According to above results, Daeseungkitang(DSK) is assumed that showing reaction of protecting neuron cell by restraint brain tissue edema thorough controlling water balance.