1.Aquaporin water channels in exocrine glands.
Martin STEWARD ; Tae Hwan KWON
Journal of Korean Medical Science 2000;15(Suppl):S7-S9
No abstract available.
Animal
;
Aquaporins/metabolism*
;
Exocrine Glands/metabolism*
;
Water/metabolism*
2.Treatment of Upper and Mid Ureter Stones: Comparison of Semirigid Ureteroscopic Lithotripsy with Holmium: YAG Laser and Shock Wave Lithotripsy.
Yong Uk KWON ; Sang Ik LEE ; Tae Yoong JEONG
Korean Journal of Urology 2007;48(2):171-175
PURPOSE: To compare the success rates, complications and cost effectiveness of extracorporeal shock wave lithotripsy (ESWL) and ureteroscopic lithotripsy (URS) using a Holmium: YAG laser to establish the more effective treatment for upper and mid ureter stones. MATERIALS AND METHODS: This retrospective study included 83 and 286 patients treated with URS and ESWL, respectively, for upper and mid ureter stones. URS was performed with a 7.5Fr semi-rigid ureterorenoscope and Holmium: YAG laser. ESWL was performed with Stonelith V.5 (PCK, Turkey). The stone sizes, success rates, postoperative complications and cost effectiveness were analyzed for each group. RESULTS: The overall success rates of the URS and ESWL were 97.6 and 82.5%, respectively. Success rates of URS were 98.4 and 95.2% when the stones were smaller and larger than 10mm, respectively. In the ESWL group, the success rates after the third session were 86.3 and 65.4% with stones smaller and larger than 10mm, respectively. The complication rates associated with URS and ESWL were 6 and 4.2%, respectively. The average cost of URS was lower than that of ESWL. CONCLISIONS: In our study, URS with Holmium: YAG laser was more efficacious than ESWL. Considering both the success rate and cost effectiveness, URS should remain the recommended first-line treatment for upper and mid ureter stones.
Cost-Benefit Analysis
;
Holmium*
;
Humans
;
Lasers, Solid-State*
;
Lithotripsy*
;
Postoperative Complications
;
Retrospective Studies
;
Shock*
;
Ureter*
;
Ureteroscopy
3.Leiomyoma and leiomyosarcoma of the broad ligament.
Kwang Yeoul LEE ; Young Oh TAK ; Sang Kyoung KIM ; Jae Uk KIM ; Ki Sang KWON ; Suk Tae HA
Korean Journal of Obstetrics and Gynecology 1991;34(6):879-883
No abstract available.
Broad Ligament*
;
Female
;
Leiomyoma*
;
Leiomyosarcoma*
4.Metastatic Malignant Epitheloid Schwannoma: A Case Report
Ga Poong KIM ; Byung Ill LEE ; Yon II KIM ; Chang Uk CHOI ; Tae Jung KWON ; Dong Wha LEE
The Journal of the Korean Orthopaedic Association 1986;21(5):959-964
The malignant schwannoma is the primary malignant tumor, which originating from the schwann cell. The incidence is markedly rare. This malignancy is not uncommonly accompanied by von Recklinghausen's disease with the worse prognosis. Although lung is the common site of the distant metastasis, bone metastasis is extremely rare. Histologically this malignancy is composed mainly of spindle cells, but occasionally the rare type, called malignant epitheloid schwannoma, which is composed of many epitheloid cells and scant spindle cells, is found as in this case. It is difficult to differentiate the malignant epitheloid schwannoma with the amelanotic melanoma histologically. The authors have experienced one case (16 years old female) of malignant epitheloid schwannoma originating from the scalp on the occipital area and metastasizing to the proximal part of the right humerus.
Humerus
;
Incidence
;
Lung
;
Melanoma, Amelanotic
;
Neoplasm Metastasis
;
Neurilemmoma
;
Neurofibromatosis 1
;
Prognosis
;
Scalp
5.Factors for Approving Cerebrovascular Disorders and Cardiovascular Diseases as Work-related Diseases in Chronically Overworked Workers.
Sang Chul RYU ; In Suk KIM ; Jong Heon LEE ; Jong Uk WON ; Tae Won JANG ; Young Jun KWON
Korean Journal of Occupational and Environmental Medicine 2011;23(4):379-386
OBJECTIVES: This study was conducted to analyze the factors that affected the decision of claims for cerebrovascular disorders and cardiovascular diseases in chronically overworked workers, that submitted their claims after the reformation of approval standards in the Industrial Accident Compensation Insurance Act on 1 July 2008. METHODS: Of 2909 cases, who claimed between January 1. and December 31. 2009, 1046 cases were selected based on their worker's compensation record and investigated following 6 provincial committees for work-related diseases. The approval rate and odds ratio were analyzed with respect to the general characteristics, past medical history and work-related information using a logistical regression and Student t-test. RESULTS: Of the 1046 selected cases, the approval rate was 18.5%(194 cases). In the multivariate logistical regression analysis, the factors for approving cerebrovascular disorders and cardiovascular diseases as work-related diseases were found to be the average working time over the last 1 week, occupational category, gender, age, death or survival, the presence of an associated disease, claimed province, and smoking. CONCLUSION: Factors for approving claims of cerebrovascular disorders and cardiovascular diseases as work-related diseases were the average working time over last 1 week, gender, age, death or survival, claimed disease, presence of associated disease, claimed province, smoking.
Accidents, Occupational
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Cardiovascular Diseases
;
Cerebrovascular Disorders
;
Compensation and Redress
;
Humans
;
Insurance
;
Odds Ratio
;
Smoke
;
Smoking
;
Workers' Compensation
6.Polymerization of dual cured composites by different thickness.
Yun Ju KIM ; Myoung Uk JIN ; Sung Kyo KIM ; Tae Yub KWON ; Young Kyung KIM
Journal of Korean Academy of Conservative Dentistry 2008;33(3):169-176
The purpose of this study was to evaluate the effect of thickness, filling methods and curing methods on the polymerization of dual cured core materials by means of microhardness test. Two dual cured core materials, MultiCore Flow (Ivoclar Vivadent AG, Schaan, Liechtenstein) and Bis-Core (Bisco Inc., Schaumburg, IL, USA) were used in this study. 2 mm (bulky filled), 4 mm (bulky filled), 6 mm (bulky and incrementally filled) and 8 mm (bulky and incrementally filled)-thickness specimens were prepared with light cure or self cure mode. After storage at 37degrees C for 24 hours, the Knoop hardness values (KHN) of top and bottom surfaces were measured and the microhardness ratio of top and bottom surfaces was calculated. The data were analyzed using one-way ANOVA and Scheffe multiple comparison test, with alpha = 0.05. The effect of thickness on the polymerization of dual cured composites showed material specific results. In 2, 4 and 6 mm groups, the KHN of two materials were not affected by thickness. However, in 8 mm group of MultiCore Flow, the KHN of the bottom surface was lower than those of other groups (p < 0.05). The effect of filling methods on the polymerization of dual cured composites was different by their thickness or materials. In 6 mm thickness, there was no significant difference between bulk and incremental filling groups. In 8 mm thickness, Bis-Core showed no significant difference between groups. However, in MultiCore Flow, the microhardness ratio of bulk filling group was lower than that of incremental filling group (p < 0.05). The effect of curing methods on the polymerization of dual cured composites showed material specific results. In Bis-Core, the KHN of dual cured group were higher than those of self cured group at both surfaces (p < 0.05). However, in MultiCore Flow, the results were not similar at both surfaces. At the top surface, dual cured group showed higher KHN than that of self cured group (p < 0.05). However, in the bottom surface, dual cured group showed lower value than that of self cured group (p < 0.05).
Acrylic Resins
;
Composite Resins
;
Hardness
;
Light
;
Methacrylates
;
Polymerization
;
Polymers
;
Polyurethanes
7.A Case of Cephalic Tetanus with Unilateral Ptosis and Facial Palsy.
Dong Hyuk SEO ; Dae Kyung CHO ; Hee Chung KWON ; Tae Uk KIM
Annals of Rehabilitation Medicine 2012;36(1):167-170
Cephalic tetanus is defined as a combination of trismus and paralysis of one or more cranial nerves. Cranial nerves III, IV, VI, VII, and XII may be affected, but the facial nerve is most frequently implicated. A 64-year-old female visited hospital for left ptosis followed by facial palsy after a left forehead abrasion in a car accident. At nine days post injury, left ptosis developed, left facial palsy developed twelve days post injury, and at fifteen days post injury, trismus and dysphagia developed. The following day, there was progression of symptoms to generalized tetanus, such as dyspnea and generalized rigidity. Videofluoroscopic swallow study showed penetration and aspiration. We report a case of cephalic tetanus with ptosis, facial palsy, and dysphagia, which progressed to generalized tetanus.
Cranial Nerves
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Deglutition Disorders
;
Dyspnea
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Facial Nerve
;
Facial Paralysis
;
Female
;
Forehead
;
Humans
;
Middle Aged
;
Paralysis
;
Tetanus
;
Trismus
8.Noninvasive Regional Cerebral Oxygenation Monitoring in Patients with Moyamoya Disease.
Hee Jung JUN ; Tae Youp KWON ; Joung Uk KIM ; Sung Min HAN ; Dong Myung LEE ; Byung Te SUH
Korean Journal of Anesthesiology 2000;39(2):288-292
Moyamoya disease is a rare progressive occlusive disease in the internal carotid arteries, along with the presence of an abnormal capillary network of vessels at the base of the brain. In moyamoya disease, the manitaining of cerebral perfusion and cerebral oxygen saturation are required to reduce complications of this disease including cerebral ischemia and cerebral hemorrhage. The authors measured regional oxygen saturation (rSO2) nonivasively by INVOS 5100 (Somanetics, USA) in patients with moyamoya disease who were scheduled for an encephalo-duro-arterio-myo synangiosis (EDAMS) operation. We therefore report our findings that deep breathing decreased rSO2 and oxygen, elevated blood pressure, and that the cerebral vasodilating drug increased rSO2.
Blood Pressure
;
Brain
;
Brain Ischemia
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Capillaries
;
Carotid Artery, Internal
;
Cerebral Hemorrhage
;
Humans
;
Moyamoya Disease*
;
Oxygen*
;
Perfusion
;
Respiration
9.Significance of Cytokine Levels in Neonates with Severe Fetal Distress.
Won Joung CHOI ; Jong Uk LEE ; Chun Soo KIM ; Sang Lak LEE ; Joon Sik KIM ; Tae Chan KWON
Journal of the Korean Society of Neonatology 2004;11(1):29-34
PURPOSE: To determine the relation between the initial plasma cytokine response and the neurological prognosis in term infants with severe fetal distress. METHODS: Infants with severe fetal distress at birth (n=23) were studied prospectively. Cytokine concentrations were measured from umbilical cord blood at 3 and 12 hours of life by enzyme-linked immunosorbent assays for interleukin (IL)-1beta, IL-6, and IL-18. The study groups were divided into good (n=14) or poor prognostic group (n=9) according to survival and presence of cerebral palsy (CP) later and correlations with afore mentioned cytokine levels were determined. RESULTS: Cord blood IL-1beta and IL-18 concentrations were similar in both groups. However, infants with poor prognosis had significantly higher median (range) IL-6 concentration than infants with good prognosis at 3 hours [323.6 (32.6-812.8) vs. 38.4 (6.3- 322.7) pg/mL] (P=0.001), and 12 hours of life [287.1 (16.4-769.1) vs. 66.2 (8.8-757.8) pg/mL] (P<0.05). Significant higher IL-6 levels greater than 200 pg/mL were observed at 3 hours (P=0.005) and at 12 hours of life (P=0.023) for poor prognosis group. CONCLUSION: There was a significant correlation between neurologic outcome and plasma IL-6 levels. Higher concentrations of IL-6 (>200 pg/mL) may be a useful indicator of poor neurological outcome in infants with severe fetal distress.
Cerebral Palsy
;
Enzyme-Linked Immunosorbent Assay
;
Fetal Blood
;
Fetal Distress*
;
Humans
;
Infant
;
Infant, Newborn*
;
Interleukin-18
;
Interleukin-6
;
Interleukins
;
Parturition
;
Plasma
;
Prognosis
;
Prospective Studies
10.An Experience of Abdominal Aortic Pseudoaneurysm in a Patient Having Abdominal Aortic Aneurysmal Disease after Extracorporeal Shock Wave Lithotripsy.
Tae Won KWON ; Geun Eun KIM ; Jong Uk KIM
Journal of the Korean Surgical Society 1998;54(2):291-293
A case of leaking abdominal aortic pseudoaneurysm following treatment of bilateral renal stones by extracopored shock wave lithotripsy(ESWL) is presented. Screening of the abdominal aortic pathology is recommended for a patient who needs ESWL for treatment of renal stones. Ultrasonography may be the diagnostic procedure of choice for pre- and post-ESWL evaluation of abdominal aortic pathology.
Aneurysm, False*
;
Aortic Aneurysm, Abdominal*
;
Humans
;
Lithotripsy*
;
Mass Screening
;
Pathology
;
Shock*
;
Ultrasonography