Journal of Yeungnam Medical Science

Yeungnam University type drive-through (YU-Thru) coronavirus disease 2019 (COVID-19) screening system: a rapid and safe screening system: Wan Seok Seo, Seong Ho Kim, Si Youn Song, Jian Hur, Jun Lee, Sunho Choi, Yoojung Lee, Dai Seg Bai; Yeungnam Univ J Med. 2020;37(4):349-355. Published online September 18, 2020; DOI: https://doi.org/10.12701/yujm.2020.00640

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Active and prompt scale-up screening tests are essential to efficiently control the coronavirus disease 2019 (COVID-19) outbreak. The goal of this work was to identify shortcomings in the conventional screening system (CSS) implemented in the beginning of the outbreak. To overcome these shortcomings, we then introduced a novel, independently developed system called the Yeungnam University type drive-through (YU-Thru), and distributed it nationwide in Korea. This system is similar to the drive-throughs utilized by fast food restaurants. YU-Thru system has shortened the time taken to test a single person to 2–4 minutes, by completely eliminating the time required to clean and ventilate the specimen collection room. This time requirement was a major drawback of the CSS. YU-Thru system also reduced the risk of subjects and medical staff infecting one another by using a separate and closed examination system. On average, 50 to 60 tests were conducted per day when using the CSS, while now up to 350 tests per day are conducted with the YU-Thru system. We believe that the YU-Thru system has made an important contribution to the rapid detection of COVID-19 in Daegu, South Korea. Here, we will describe the YU-Thru system in detail so that other countries experiencing COVID-19 outbreaks can take advantage of this system.

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Experience of operating a medical humanities course at one medical school during the COVID-19: a retrospective study
Yu Ra Kim, Hye-won Shin, Young Hwan Lee, Seong-Yong Kim
Journal of Yeungnam Medical Science.2023; 40(2): 179. CrossRef
Lessons Learned From an Analysis of the Emergency Medical Services’ COVID-19 Drive-Through Testing Facilities in Israel
Itay Zmora, Evan Avraham Alpert, Uri Shacham, Nisim Mishraki, Eli Jaffe
Disaster Medicine and Public Health Preparedness.2022; 16(5): 2091. CrossRef
A study on the mental health of students at a medical school during COVID-19 outbreak: a retrospective study
Yu Ra Kim, Hye Jin Park, Bon-Hoon Koo, Ji Young Hwang, Young Hwan Lee
Journal of Yeungnam Medical Science.2022; 39(4): 314. CrossRef

Burr hole drainage using urokinase for treatment of subacute subdural hematoma.: Min Su Kim, Seong Ho Kim, Oh Lyong Kim; Yeungnam Univ J Med. 2015;32(1):8-12. Published online June 30, 2015; DOI: https://doi.org/10.12701/yujm.2015.32.1.8

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Abstract PDF: BACKGROUND
Enlargement of subdural hematomas is relatively rapid in subacute stage of hematoma with clinical deterioration, which eventually necessitates surgery. The purpose of this study is to investigate the feasibility and safety of burr hole drainage using urokinase for management of patients with subacute subdural hematoma (SASDH). METHODS: Nine patients with SASDH were treated by burr hole drainage using urokinase. Under local anesthesia a catheter was inserted into the hematoma through a burr hole. Burr hole drainage was followed by hematoma thrombolysis with instillation of urokinase (10,000 units) every 12 hours. Drainage was discontinued when a significant decrease of hematoma was observed on cranial computed tomography. RESULTS: The patients' median age was 70 years (range, 62-87). The median Glasgow Coma Scale score before surgery was 15 (range, 11-15). Drainage was successfully performed in all patients. All patients had Glasgow Outcome Scale scores of 5 at discharge. There was no surgery-related morbidity or mortality. CONCLUSION: A burr hole drainage using urokinase could be a safe, feasible and effective minimally invasive method with low morbidity in treatment of selected patients with SASDHs.

A peripheral tremor associated with intractable pain after traffic accident: case report.: Joo Chul Hong, Seong Ho Kim; Yeungnam Univ J Med. 2009;26(1):74-77. Published online June 30, 2009; DOI: https://doi.org/10.12701/yujm.2009.26.1.74

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Abstract PDF: There are debates about whether peripherally induced movement disorders exist. We report a case of upper limb tremor induced by peripheral nerve injury. A 25-year-old male patient presented with pain and tremor of the left upper extremity, 2 days after a car accident. Magnetic resonance images of the brain and cervical spine were normal. His past medical history was unremarkable and there were no family members with symptoms of movement disorders. He suffered from an aggravating tremor for about 10 minutes, four to six times a day. We treated the patient with medication, epidural infusion, cervical nerve root block and trigger point injection of the trapezius muscle. The pain subsided 50% and the incidence of tremor attacks was reduced to once or twice a day. The role of peripheral trauma in the genesis of movement disorders has not been generally accepted. It is unclear whether peripheral trauma can induce dystonia and other movement disorders. It has been proposed that peripheral trauma can alter sensory input and induce cortical and subcortical reorganization that generates a movement disorder. Some studies provide evidence for central reorganization following peripheral injury.

Sigmoid Colon Perforation by a Distal Ventriculoperitoneal Shunt Catheter.: Dong Keun Shin, Seong Ho Kim; Yeungnam Univ J Med. 2008;25(2):171-174. Published online December 31, 2008; DOI: https://doi.org/10.12701/yujm.2008.25.2.171

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Abstract PDF: We report an unusual case of a sigmoid colon perforation after ventriculoperitoneal shunt surgery. Distal catheters are known to cause perforation in the setting of colonoscopy. The exact pathogenesis of this complication is not clear, but it can cause serious complications. Hence, patients require prompt and aggressive management, including laparotomy with bowel wall repair, catheter removal, and antibiotic therapy.

Cystoperitoneal Shunting after Fenestration of an Enlarging Arachnoid Cyst.: Ik Chan Jeon, Min Su Kim, Seong Ho Kim, Sung Ho Jang; Yeungnam Univ J Med. 2008;25(2):160-164. Published online December 31, 2008; DOI: https://doi.org/10.12701/yujm.2008.25.2.160

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Abstract PDF: A two-month-old girl with a history of an incidental arachnoid cyst in the prenatal period (38 weeks) presented with persistent irritability. A follow-up computed tomographic (CT) scan revealed an enlarged arachnoid cyst with hydrocephalus. We performed craniotomy and fenestration, but the cyst size did not decrease, and hydrocephalus had worsened on a follow-up CT scan performed 13 months after fenestration. The patient was treated with cystoperitoneal shunting. Follow-up magnetic resonance imaging (MRI) performed 5 years later revealed that the arachnoid cyst had decreased in size and that the hydrocephalus had resolved. Enlarging arachnoid cysts are not common, and optimal surgical treatment is uncertain. Based on the features of this case, we believe cystoperitoneal shunting is an advisable surgical intervention for patients with enlarging arachnoid cysts presenting with hydrocephalus.

Atypical Cerebellar Medulloblastoma Originating from Tentorium: Case Report.: Seong Ho Kim, Chang Hwan Kim, Oh Lyong Kim, Chul Hoon Chang, Sang Woo Kim, Byung Yon Choi, Soo Ho Cho, Jeong Ok Hah; Yeungnam Univ J Med. 2007;24(2):311-314. Published online December 31, 2007; DOI: https://doi.org/10.12701/yujm.2007.24.2.311

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Abstract PDF

The extraaxial presentation of a medulloblastoma is rare. This article describes the case of a 12-year-old boy who presented with severe headache, nausea, and vomiting. The tumor developed in the left tentorium; it was misdiagnosed as a meningioma based on the radiology examination. We review the literature and discuss the atypical presentation of medulloblastoma.

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New Developments in the Pathogenesis, Therapeutic Targeting, and Treatment of Pediatric Medulloblastoma
Francia Y. Fang, Jared S. Rosenblum, Winson S. Ho, John D. Heiss
Cancers.2022; 14(9): 2285. CrossRef

Microsurgical DREZotomy for treatment of intractable central pain in patient with spinal cord injury.: Zee Ihn Lee, Seong Ho Kim, Sang Ho Ahn, Sung Ho Jang; Yeungnam Univ J Med. 2002;19(1):49-54. Published online June 30, 2002; DOI: https://doi.org/10.12701/yujm.2002.19.1.49

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Abstract PDF: The central pain in patient with spinal cord injury is a common and disabling sequelae. The microsurgical DREZ(Dorsal Root Entry Zone)otomy is a surgical procedure effective in the treatment of intractable pain and spasticity in spinal cord injured patients. It consists of a microsurgical lesions performed in the ventrolateral region of the dorsal root entry zone at the selected levels. This report presents one case with incomplete paraplegia patient, who had chronic central neuropathic pain ineffective to many conservative treatments in bilateral T10 and right T11 segments and both lower extremities, is relieved from the pain after microsurgical DREZotomy. In conclusion, microsurgical DREZotomy is one method of effective treatments for spinal cord injured patients with intractable central neuropathic pain.

A Case of Desmoplastic Infantile Ganglioglioma.: Kwang Chul Song, Seong Ho Kim, Jang Ho Bae, Oh Ryong Kim, Byung Yon Choi, Soo Ho Cho, Dong Seok Kim; Yeungnam Univ J Med. 1997;14(2):451-458. Published online December 31, 1997; DOI: https://doi.org/10.12701/yujm.1997.14.2.451

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Abstract PDF: The desmoplastic infantile ganglioglioma is very rare cerebral tumor. It has been known to be characterized by its voluminious size, intense desmoplasia and the frequent presence of astrocytic and ganglioglionic differentiation. Also, It is usually presented in infantile period and predilected in the frontal and parietal lobes. We treated a huge desmoplastic infantile ganglioglioma(8?7?6cm) on the right frontotemporo-parietal area with only gross total resection. It includes solid mass & several cysts and shows the areas of the proliferation of spindle cells exhibiting storiform pattern in dense desmoplastic stroma and the areas composed of spindle shaped glial component.

Laserthermia Induced Histological Changes in Different Thermal Condition.: Sang Woo Kim, Kyung Yup Lee, Seong Ho Kim, Jang Ho Bae, Oh Lyong Kim, Byung Yearn Choi, Soo Ho Cho; Yeungnam Univ J Med. 1995;12(2):331-338. Published online December 31, 1995; DOI: https://doi.org/10.12701/yujm.1995.12.2.331

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Abstract PDF: Laserthermia is a new method of local hyperthermia using fiber optic guided probe with computer controlled Nd-YAG laser system. We used a synthetic sapphire probe and allowed irradiation with contolled low power laser energy (less than 5W), in different thermal condition (temprature:38.5-50 degrees C) for 10 minutes, in the normal brain tissue of 18 rabbits. In results, the histological changes of brain tissue was variable (myelin condensation, chromatin condensation, nuclear waving and palisading, RBC discoloration, cell necrosis) in microscopic findings after laser irradiation, but changing area was not occured proportionally in thermal condition level. Cell necrosis appears to over 44.5 degrees C and the distance was about 1.25 mm. This study, using computer controlled laserthermia system for interstitial local hyperthermia, may offer many advantages in the experimental treatment and clinical management of tumor. Minimizing normal tissue damage is now being developed.

Subependymal Giant Cell Astrocytoma in the tuberous Sclerosis.: Jin Han Park, Seong Ho Kim, Dong Ro Han, Jang Ho Bae, Sam Kyu Ko, Oh Lyong Kim, Byung Yon Choi, Soo Ho Cho; Yeungnam Univ J Med. 1994;11(2):221-229. Published online December 31, 1994; DOI: https://doi.org/10.12701/yujm.1994.11.2.221

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Abstract PDF: Tuberous sclerosis is reported rarely and is associated with systemic lesions including central nervous system, skin, heart, eye and kidney. Approximately 5-15% of individuals with tuberous sclerosis will develop brain neoplasia, almost invariably subependymal giant-cell astrocytoma (SGCA). We experienced a case of SGCA with tuberous sclerosis operated by the transcallosal approach and report with literature review.

The Effects of Microwave Irradiated on Rabbit's ICP.: Jin Han Park, Seong Ho Kim, Dong Ro Han, Jang Ho Bae, Oh Lyong Kim, Byung Yon Choi, Soo Ho Cho, Joon Ha Lee; Yeungnam Univ J Med. 1994;11(2):213-220. Published online December 31, 1994; DOI: https://doi.org/10.12701/yujm.1994.11.2.213

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Abstract PDF: Damages on central nervous system induced by the exposure of microwave. However, the effects of microwave on ICP are not studied yet. The ICP affected by the condition of the condition of the brain has an significant effect on vital sign. So we investigated the changes of ICP of the rabbits after exposure. Twenty four rabbits were divided into 3 groups depending on the amount of exposure to microwave. One group was composed with 8 rabbits were exposed to microwave for 10 miniutes. Other were composed to microwave for 20 miniutes, 30 miniures, respectively. Intracranial pressure on each group were measured by subdural type ICP monitoring catheter immediately, first day, 3rd day, 5th day and 7th day after exposure of microwave. Results indicates that intracranial pressure of rabbits are not affected with statistical significance by exposure of microwave.

Effects of the Selective Management for Increased Intracranial Pressure with Obstruction of Internal Carotid Artery in Rabbits.: Bum Dae Kim, Kyoung Yeob Lee, Seong Ho Kim, Dong Ro Han, Jang Ho Bae, Oh Lyong Kim, Byung Yon Choi, Soo Ho Cho, Hyoun Jin Shin; Yeungnam Univ J Med. 1994;11(1):167-180. Published online June 30, 1994; DOI: https://doi.org/10.12701/yujm.1994.11.1.167

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Abstract PDF: In order to inquire the most-effective management of increased intracranial pressure(ICP), mannitol, steroid and hyperventilation were used in rabbits after ligation or non-ligation of the carotid artery. Mannitol was more effective than steroid and hyperventilation in the degree of the reduction of ICP. The intracranial pressure was decreased 43~45% for 25~30 minutes after injection of mannitol. Steroid was less effective than mannitol in the degree of the reduction of ICP. But the time of reduction of ICP was longer, that is, the degree of reduction was 24~60 minutes after injection of steroid. Hyperventilation is effective in the initial time only, for 10 minutes after hyperventilation. The degree of ICP reduction was 13.5~16.7 % for 10 minutes after hyperventilation. The combined group, that is three kinds of mangenent were used, is the most effective treatment to reduce ICP of ICP. The degree of the reduction of ICP was 42.1~49.3% for 20 minutes, 47.7~52.5% for 30minnutes. There was no significant difference between and non-ligation group.

Nonsurgical Management of Parasagittal Epidural Hematoma Report of 4 Cases.: Dong Soo Nam, Seong Ho Kim, Bum Dae Kim, Jang Ho Bae, Eun Sig Doh, Oh Lyong Kim, Yong Chul Chi, Byung Yearn Choi, Soo Ho Cho, Jow Hyuk Ihm; Yeungnam Univ J Med. 1990;7(2):173-179. Published online December 31, 1990; DOI: https://doi.org/10.12701/yujm.1990.7.2.173

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Abstract PDF: Nonsurgical management of four cases of the parasagittal epidural hematoma were experienced. Patients were mildly symptomatic or minimal neurological disturbances on admission. Patients were treated conservatively because of stable neurologic sign. All patients had who diastatic fracture and / or suture have become a complete neurological recovery with satisfactory absorption of EDH over a period of 5 to 12 weeks.

A Case of Cerebral Sparganosis Operated by BRW Stereotaxic System.: Seong Ho Kim, Seung Chan Baek, Jowa Hyuk Ihm, Oh Lyong Kim, Yong Chul Chi, Byung Yearn Choi, Soo Ho Cho; Yeungnam Univ J Med. 1988;5(1):141-145. Published online June 30, 1988; DOI: https://doi.org/10.12701/yujm.1988.5.1.141

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Abstract PDF: A patient of cerebral sparganosis is reported: The patient, a 47-year-old female complained of frequent seizures and headache. The disease was involved on right frontal lobe, and the lesion was successfully removed by BRW stereotaxic system. The characteristic features of sparganosis are reviewed.

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