1.Internal Carotid Artery Aneurysms Arising from the Medial Wall of the Communicating Segment of the Internal Carotid Artery: Case Report.
Jong Won LEE ; Jong Sik SUK ; Jung Taek KWON ; Byung Kook MIN
Journal of Korean Neurosurgical Society 2000;29(10):1352-1356
No abstract available.
Aneurysm*
;
Carotid Artery, Internal*
2.Minimally Invasive Spine Surgery: Techniques, Technologies, and Indications
Jiwon PARK ; Dae-Woong HAM ; Byung-Taek KWON ; Sang-Min PARK ; Ho-Joong KIM ; Jin S. YEOM
Asian Spine Journal 2020;14(5):694-701
Over the past few decades, interest in minimally invasive spine surgery (MISS) has increased tremendously due to its core principle of minimizing approach-related injury while providing outcomes similar to traditional open spine procedures. With technical and technological advancements, MISS has expanded its utility not only to simple spinal stenosis, but also to complex spinal pathologies such as metastasis, trauma, or adult spinal deformity. In this article, we review the techniques and technology in MISS and discuss the indications, benefits, and limitations of MISS.
3.Herpes Simplex virus thymidine kinase gene therapy delivered by retroviral or adenoviral vector in mouse model of lewis lung carcinoma.
Hee Chung KWON ; Jae Min JEONG ; Jung Hyeon KIM ; Yong Ho HAM ; Ji Sook SEO ; Ki Ho CHANG ; Min KIM ; Han Soo LEE ; Choon Taek LEE
Tuberculosis and Respiratory Diseases 2000;49(3):298-309
BACKGROUND: The antitumor effects of herpes simplex virus thymidine kinase(HSV-tk) and ganciclovir(GCV) strategies for cancer gene therapy have a the following advantages:1) a direct cytotoxicity to HSV-tk modified cancer cells by GCV 2) a cell death by the local transfer of toxic metabolites from the HSV-tk modified cells to nearby unmodified tumor cells(bystander effect), and 3) in vivo bystander effect such as antitumor-immunity. Retroviral and adenoviral sequences can silence transgene expression in cells and mice. In this study, we investigated the above described advantages of HXV-tk/GCV strategy in Lewis lung cell and mouse lung cancer model using retroviral vector and adenoviral vector. Also, we observed whether the expression of a silenced gene can be reactivated by treating cell with butyrate. METHODS: Retrovirus-HSV-tk and adenovirus-HSV-tk vectors were used for the transduction of Lewis lung carcinoma(LLC) cells. The change of HSV-tk expression by butyrate was measured by Western blot.The antitumor activities containing bystander effect were observed in vivo(by MTT assay) and in vivo tumor models of various combinations of LLC and LLC-tk. RESULTS: 1. Butyrate induced the enhancement of HSV-tk expression from adenovirally transduced cells but not from retrovirally transduced cells. 2. Both retrovirus-HSV-tk and adenovirus-HSV-tk vectors with GCV treatment were effective for killing of tumor cell in vitro and suppression of LLC tumorigenicity. Bystander effect was responsible for killing of mixture of LLC-tk and LLC in vitro and in vivo-tumorigenicity model. CONCLUSION: Butyrate could augment adenoviral vector seems to be an effective approach for lung cancer therapy.
Adenoviridae
;
Animals
;
Butyrates
;
Bystander Effect
;
Carcinoma, Lewis Lung*
;
Cell Death
;
Genes, Neoplasm
;
Genetic Therapy*
;
Herpes Simplex*
;
Homicide
;
Lung
;
Lung Neoplasms
;
Mice*
;
Phosphotransferases*
;
Retroviridae
;
Simplexvirus*
;
Thymidine
;
Transgenes
;
Zidovudine*
4.Locations and Clinical Significance of Non-Hemorrhagic Brain Lesions in Diffuse Axonal Injuries.
Sang Won CHUNG ; Yong Sook PARK ; Taek Kyun NAM ; Jeong Taik KWON ; Byung Kook MIN ; Sung Nam HWANG
Journal of Korean Neurosurgical Society 2012;52(4):377-383
OBJECTIVE: Detection of focal non-hemorrhagic lesion (NHL) has become more efficient in diffuse axonal injury (DAI) patients using an MRI. The aims of this study are to find out the radiological distribution, progress of NHL and its clinical significance. METHODS: Between September 2005 and October 2011, 32 individuals with NHLs on brain MRI were enrolled. NHLs were classified by brain location into 4 major districts and 13 detailed locations including cortical and subcortical, corpus callosum, deep nuclei and adjacent area, and brainstem. The severity of NHL was scored from grades 1 to 4, according to the number of districts involved. Fourteen patients with NHL were available for MRI follow-up and an investigation of the changes was conducted. RESULTS: Thirty-two patients had 59 NHLs. The most common district of NHL was cortical and subcortical area; 15 patients had 20 NHSs. However the most common specific location was the splenium of the corpus callosum; 14 patients had 14 lesions. The more lesions patients had, the lower the GCS, however, this was not a statistically meaningful difference. On follow-up MRI in 14 patients, out of 24 lesions, 13 NHLs resolved, 5 showed cystic change, and 6 showed atrophic changes. CONCLUSION: NHLs were located most commonly in the splenium and occur frequently in the thalamus and the mesial temporal lobe. Because most NHS occur concomitantly with hemorrhagic lesions, it was difficult to determine their effects on prognosis. Since most NHLs resolve completely, they are probably less significant to prognosis than hemorrhagic lesions.
Brain
;
Brain Injuries
;
Brain Stem
;
Corpus Callosum
;
Diffuse Axonal Injury
;
Follow-Up Studies
;
Humans
;
Magnetic Resonance Imaging
;
Prognosis
;
Temporal Lobe
;
Thalamus
5.A Case of Using Open-Close Valve during One Lung Ventilation: A case report.
Na Ra CHUNG ; Taek Min KWON ; Byung Hoon YOO ; Jun Heum YON
Korean Journal of Anesthesiology 2005;49(2):256-258
One lung ventilation for thoracic surgery may reduce arterial oxygen saturation by ventilation-perfusion mismatching and by increasing intrapulmonary shunting. We experienced a 52 year old male patient with a lung abscess, who showed arterial desaturation after one-lung ventilation. The authors tried to increase arterial oxygen saturation by applying positive end-expiratory pressure (PEEP) and continuous positive airway pressure (CPAP) to dependent and nondependent lung, respectively. However, arterial oxygen saturation did not increase. So, we applied partial differential lung ventilation using an open-close valve designed by the authors, and arterial oxygen saturation increased rapidly. The advantages of the open-close valve are its straightforward use and ease of manipulation. We report a case involving the use of this open-close valve in a desaturated patient during one lung ventilation.
Continuous Positive Airway Pressure
;
Humans
;
Lung
;
Lung Abscess
;
Male
;
Middle Aged
;
One-Lung Ventilation*
;
Oxygen
;
Positive-Pressure Respiration
;
Thoracic Surgery
;
Ventilation
6.Blood Glucose Concentration Measured Using a Glucose Oxidase Method is more Accurate in Venous Blood than Oxygenated Arterial Blood.
Kyoung Min LEE ; Kong Been IM ; Jong Taek PARK ; Hee Uk KWON ; Sung Mee JUNG
Korean Journal of Anesthesiology 2002;43(2):139-144
BACKGROUND: Portable glucometers are often utilized at the patient's bedside in the ICU or operating room for frequent measurements of the blood glucose concentration. Many of these devices are based on a glucose oxidase method that may be influenced by PO2. The aim of this study was to evaluate the influence of a high PO2 of arterial blood on measured glucose values compared with venous blood. METHODS: Forty adult patients who underwent surgery with general anesthesia were included in this study. Each patient had a cannula inserted into the radial artery and a central venous catheter through the right internal jugular vein. Two hours after the induction of anesthesia, we drew arterial and venous blood and measured the blood glucose concentration using both a bedside glucometer based on a glucose oxidase method and a laboratory glucometer based on a hexokinase method. We also measured blood gas, electrolyte, and hematocrit values. Statistical analyses were performed with repeated measure ANOVA, multiple linear regression, and Bland-Altman's analysis. Data is expressed as mean +/- SD. RESULTS: The arterial blood glucose concentration measured by the glucose oxidase method (119.5 +/- 25.0 mg/dl) was significantly lower than the venous blood (133.5 +/- 24.8 mg/dl) and hexokinase method (134.2 +/- 27.1 mg/dl). There was no significant difference between the venous blood glucose concentration by the glucose oxidase method and hexokinase method. When we used the correction formula: corrected glucose value = arterial glucose value by glucose oxidase method + 0.1053 X PaO2 - 5.414, the bias improved from - 14.6 mg/dl to 1.0 mg/dl. CONCLUSIONS: The blood glucose concentration measured by the glucose oxidase method is more accurate in venous blood than oxygenated arterial blood. When we measure the blood glucose level using the glucose oxidase method, we should consider the influence of high oxygen tension.
Adult
;
Anesthesia
;
Anesthesia, General
;
Bias (Epidemiology)
;
Blood Glucose*
;
Catheters
;
Central Venous Catheters
;
Glucose Oxidase*
;
Glucose*
;
Hematocrit
;
Hexokinase
;
Humans
;
Jugular Veins
;
Linear Models
;
Operating Rooms
;
Oxygen*
;
Radial Artery
7.A Case of Lacquer-Thinner Intoxication.
Young Soo BAIK ; Hee Sin KO ; Ktung Bae KWON ; Doo Kwun KIM ; Sung Min CHOI ; Woo Taek KIM ; Jeong Ok CHOI ; Hyun Jong SIN
Journal of the Korean Pediatric Society 1995;38(5):713-718
No abstract available.
8.A Case of Femoral Artery Pseudoaneurysm Treated with Compression Guided by Color Doppler Ultrasound.
Bon Kwon KU ; Han Soo KIM ; Choong Won KO ; Min Kyung SONG ; Sung Taek CHUNG ; Joon Han SHIN ; Seung Jea TAHK ; Byung il CHOI
Korean Circulation Journal 1995;25(1):119-123
Pseudoaneurysm is one of the undesirable complications of interventional cardiology procedures involving peripheral puncture site. Nowadays, it is not uncommon as a consequences of more complex interventional preocedures, larger catheters and prolonged anticoagulation treatment. Surgical repair has been mainstay of treatment for pesudoaneurysm. However, sucessful closures of pseudoaneurysms have been reported recently by using direct compression guided by color doppler ultrasound. We report a case of pseudoaneurysm in femoral artery, which was developed at the right inguinal puncture site in 38 year old male patient with unstabel angina who had received continuous intravenous infusion of heparin and had undergone coronary angiography treated successfully with direct compression guided by color doppler ultrasound.
Adult
;
Aneurysm, False*
;
Cardiology
;
Catheters
;
Coronary Angiography
;
Femoral Artery*
;
Heparin
;
Humans
;
Infusions, Intravenous
;
Male
;
Punctures
;
Ultrasonography*
9.Pregnancy associated with kyphoscoliosis.
Kyung Ik KWON ; Dong Ho NAM ; Chun Gun LIM ; Min Yon LEE ; Suk Kyung YANG ; Jong In KIM ; Taek Hoon KIM ; Young Wook SUH
Korean Journal of Perinatology 1993;4(4):543-547
No abstract available.
Pregnancy*
10.Molecular epidemiologic analysis of FI R plasmids derived from shigella isolates.
Sung Yong SEOL ; Suk Ryong KWON ; Yong Shin KIM ; Jung Min KIM ; Je Chul LEE ; Sang Hwa LEE ; Yoo Chul LEE ; Dong Taek CHO
Journal of the Korean Society for Microbiology 1993;28(5):347-360
No abstract available.
R Factors*
;
Shigella*