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분절성 대상포진마비와 동시에 발병한 급성 뇌운동피질경색 1예
도영록,이동국 대한임상신경생리학회 2005 Annals of Clinical Neurophysiology Vol.7 No.1
Segmental zoster paresis (SZP) is a clinically rare complication of herpes zoster. But it has not been reported that acute cerebral motor cortical infarction coincidentally occurred in SZP. A 86-year-old woman was admitted due to pain, tingling sensation, and weakness of left arm. She had an acute onset of pain and tingling sensation in left arm at first day, shoulder weakness at second day, and multifocal vesicles at fourth day. Deep tendon reflexes of left arm were decreased than right. Electromyography showed an axonal polyneuropathy at superior trunk level of left brachial plexus. Median and ulnar sensory evoked potential tests were normal. Brain MRI showed a high signal in right primary motor cortex on diffusion weighted image. We report a case of acute cerebral motor cortical infarction coincidentally occurred in SZP.
길랑-바레증후군이 동반된 Bickerstaff 뇌간뇌염에서 나타난 시신경병증과 경련발작 1예
도영록,김지언,곽재혁,권오대,도진국,이동국 대한신경과학회 2005 대한신경과학회지 Vol.23 No.3
Bickerstaff's brainstem encephalitis (BBE), characterized by acute ophthalmoplegia and ataxia, often causes impaired consciousness and hyperreflexia. A 17-year-old man was admitted with an acute meningitic condition including high and neck stiffness. His condition rapidly deteriorated over 2 weeks, and he showed ophthalmoplegia, ataxia, seizure, tetraplegia, comatose mentality, and optic neuropathy. Electroencephalography showed diffuse slow waves. Visual evoked potentials showed no responses in the right eye. This is the first case of BBE with Guillain-Barré syndrome presenting with optic neuropathy and seizure.
Aortic Dissection after Intravenous Thrombolysis in Acute Cerebral Infarction
도영록 고신대학교(의대) 고신대학교 의과대학 학술지 2017 고신대학교 의과대학 학술지 Vol.32 No.1
Use of recombinant tissue plasminogen activator (rt-PA) for the treatment of acute cerebral infarction secondary to aortic dissection is challenging because of a narrow time window and potential life-threatening complications. An 80-year-old woman with right middle cerebral artery infarction was treated with rt-PA. Although she had no history, symptoms, or sign of aortic dissection, carotid CT angiography revealed aortic arch dissection. Mediastinal widening, which did not show on initial chest X-ray, developed on follow-up chest X-ray. This observation indicates that physicians should monitor patient symptoms for signs of aortic dissection during thrombolysis and perform chest X-ray or carotid angiography immediately after thrombolysis even if the patient has no symptoms or signs of aortic dissection on onset of acute cerebral infarction.
도영록,이동국 한국뇌신경과학회 2012 Experimental Neurobiology Vol.21 No.1
Polychlorinated biphenyls (PCBs) are accumulated in our body through food chain and cause a variety of adverse health eff ects including neurotoxicities such as cognitive deficits and motor dysfunction. In particular, neonates are considered as a high risk group for the neurotoxicity of PCBs exposure. Th e present study attempted to analyze the structure-activity relationship among PCB congeners and the mechanism of PCBs-induced neurotoxicity. We measured total protein kinase C (PKC) activities, PKC isoforms, reactive oxygen species (ROS), and induction of neurogranin (RC-3) and growth associated protein-43 (GAP-43) mRNA in cerebellar granule cells of neonatal rats with phorbol 12, 13-dibutyrate ([3H]PDBu) binding assay, western blot, ROS assay, and reverse transcription PCR (RT-PCR) analysis respectively following the different structural PCBs exposure. Only non-coplanar PCBs showed a significant increase of total PKC-α and βII activity as measured with [3H]PDBu binding assay. ROS were more increased with non-coplanar PCBs than coplanar PCBs. The mRNA levels of RC-3 and GAP-43 were more induced with noncoplanar PCBs than coplanar PCBs, indicating that these factors may be useful biomarkers for diff erentiating non-coplanar PCBs from coplanar PCBs. Non-coplanar PCBs may be more potent neurotoxic congeners than coplanar PCBs. This study provides evidences that non-coplanar PCBs, which have been neglected in the risk assessment processes, should be added in the future to improve the quality and accuracy of risk assessment on the neuroendocrinal adverse eff ects of PCBs exposures.
허혈뇌졸중 환자에서 두개내외동맥협착 동반에 대한 4가지 발목상완지수계산법의 비교
도영록,박재한,이동국,안호기,곽상규,도진국 대한신경과학회 2016 대한신경과학회지 Vol.34 No.4
Background: The ankle brachial index (ABI) is a useful screening tool for peripheral arterial disease. It has been documented that the cerebral atherosclerosis is more frequent in stroke patients with abnormal ABI than in those with normal ABI. The present study compared the different calculation methods of ABI for coexistent intracranial and extracranial arterial stenosis (IECAS) in ischemic stroke. Methods: We reviewed the data of patients admitted for acute ischemic stroke or transient ischemic attack. The following four distinct ABIs were calculated: the ratio of the higher (ABI-H), lower (ABI-L), or either of the systolic blood pressures (SBPs) of the posterior tibial (ABI-PT) and dorsalis pedis (ABI-DP) arteries relative to the higher of the brachial SBP. We compared the values of these four ABI measures relative to the presence of any IECAS using receiver operating characteristic (ROC) curve analysis. Results: ABI-H, ABI-L, ABI-PT, and ABI-DP were abnormal (≤ 0.9) in 19 (13.1%), 36 (24.8%), 29 (20%), and 30 (20.7%) of 145 patients, respectively. The area under the ROC curve was significantly larger for ABI-H, ABI-L, and ABI-DP than for ABI-PT for any type of IECAS. The extracranial stenosis was more frequent when any of the four ABIs was abnormal, while intracranial stenosis was not correlated with the four ABIs. The IECAS was more frequent for abnormal ABI-H and ABI-DP than for normal ABIs. Conclusions: Our studies suggested that ABIs based on a higher SBP of the PT or DP (i.e., ABI-H) are more strongly associated with the presence of IECAS than are those using the SBP of the PT (ABI-PT). Extracranial artery stenosis seems to be more strongly associated with ABI than is intracranial stenosis.
Transcranial Doppler: examination techniques and interpretation
도영록,김용재,이준홍 대한임상신경생리학회 2019 Annals of Clinical Neurophysiology Vol.21 No.2
Transcranial Doppler (TCD) was introduced in 1982 to assess intracranial arteries noninvasively, since when it has been widely used to assess and monitor cerebrovascular hemodynamics. The clinical applications of TCD are broadening to include other fields that require monitoring of the cerebral blood flow. TCD has fewer temporal and spatial restrictions than other methods, can be performed on less-compliant patients, and causes no harm to the body. However, its reliance on high levels of examiner skill and experience, as well as a lack of standardized scanning protocols are obstacles that still need to be overcome. In this report we review TCD examination techniques and interpret their findings for several conditions.