1.The Cardiovascular Effects of Epinephrine Used for Hemostasis under Enflurane-N2O Anesthesia during Tonsillectomy.
Seon Wook JUNG ; Sang Ha LEE ; Byung Yon KWON
Korean Journal of Anesthesiology 1997;33(4):735-740
BACKGROUND: Exogenously administered epinephrine under enflurane anesthesia was known to have mild myocardial sensitizing effect. And N2O activates the sympathetic nervous system mildly. We planed this study to confirm cadiovascular effects of clinically administered epinephrine for hemostasis under the enflurane-N2O anesthesia during tonsillectomy. METHODS: Eighty children scheduled to have tonsillectomy were selected randomly and divided into 2 groups as follows; Group E: 1:100,000 epinephrine 2ug/kg and Group EL: 1:100,000 epinephrine containing 1% lidocaine 2 g/kg. Blood pressure, heart rate, and the occurrence of arrhythmia were evaluated before injection, at injection, 1 min, 2 min, 3 min, 5 min and 10 min after injection and 1 min after operation start. RESULTS: In both groups, systolic and diastolic blood pressure and heart rate are increased. But there are no significant statistical differences in each group and between groups. One min after operation, there are significant increases in systolic and diastolic blood pressure and heart rate in both groups (p<0.05), but there is no significant difference between groups. CONCLUSION: Under the enflurane-N2O anesthesia of children, 1:100,000 epinephrine 2ug/kg used for hemostasis could be used comparatively safe without any significant hemodynamic changes. But because there is always the possibility of myocardial sensitization, careful observation is necessary during epinephrine injection under the enflurane-N2O anesthesia.
Anesthesia*
;
Arrhythmias, Cardiac
;
Blood Pressure
;
Child
;
Enflurane
;
Epinephrine*
;
Heart Rate
;
Hemodynamics
;
Hemostasis*
;
Humans
;
Lidocaine
;
Sympathetic Nervous System
;
Tonsillectomy*
2.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
3.Endovascular Treatment for Spontaneous Vertebral Arteriovenous Fistula in Neurofibromatosis Type 1: A Case Report.
Yon Kwon IHN ; Won Sang JUNG ; Bum Soo KIM
Neurointervention 2010;5(2):110-114
We report the case of a 42- year-old woman with spontaneous, right vertebral arteriovenous fistula associated with neurofibromatosis type 1. The patient presented with neck pain, retroauricular bruit, quadriparesis, and cervical spinal cord compression caused by an enlarged epidural vein. Endovascular treatment using coils and a balloon resulted in successful occlusion of the fistula. At six months post-embolization, the patient had improved significantly and was ambulant with support.
Arteriovenous Fistula
;
Female
;
Fistula
;
Humans
;
Neck Pain
;
Neurofibromatoses
;
Neurofibromatosis 1
;
Quadriplegia
;
Spinal Cord Compression
;
Veins
4.Neurogenic Pulmonary Edema following Cerebral Aneurysmal Rupture: A case report.
Byung Yon KWON ; Sang Ha LEE ; So Young JEON ; Seon Wook JUNG ; Jung Sam LEE
Korean Journal of Anesthesiology 1998;34(1):217-221
Neurogenic pulmonary edema (NPE) occurs in association with CNS lesions and in the absence of underlying cardiopulmonary disease. The dramatic increase in intracranial pressure (ICP) that follows aneurysmal rupture appears to trigger a massive autonomic discharge which causes virtually instantaneous circulatory adjustments i.e. NPE. When we anesthetize a cerebral aneurysmal patient combined with NPE, not only is there the risk of hypoxemia due to NPE, but also we have difficulty in managing to control hemodynamics and hypervolemia. As we experienced a cerebral aneurysmal patient combined with NPE, we report this case with a review of the literature.
Aneurysm
;
Anoxia
;
Hemodynamics
;
Humans
;
Intracranial Aneurysm*
;
Intracranial Pressure
;
Pulmonary Edema*
;
Rupture*
5.Expression of Cyclin D1, Cyclin E, p21Cip1 and p27Kip1 in Chemically Induced Rat Mammary Tumor Treated with Tamoxifen and Transforming Growth Factor-1.
Tae Jung JANG ; Jae Hum PARK ; Mee Yon CHO ; Ki Kwon KIM ; Jung Ran KIM
Korean Journal of Pathology 2001;35(2):151-157
BACKGROUND: Tamoxifen (TAM) inhibits the action of estrogen by binding to estrogen receptors, and also has non-estrogen receptor mediated cytostatic activities. Transforming growth factor-1 (TGF-1) inhibits the proliferation of many other cell types, such as epithelial, hematopoietic and endothelial cells. METHODS: We investigated the effects of tamoxifen on the growth of 7,12-dimethylbenz(a)anthracene (DMBA)-induced rat mammary tumors and the expression of cyclin D1, cyclin E, p21Cip1, and p27Kip1 by performing immunohistochemistry and Western blot analysis, and studied whether TGF-1 injection amplified the effects of TAM. When tumor size reached between 10-15 mm in the largest dimension, the rats were divided into 3 groups: DMBA-control group (n=12), DMBA-TAM group (n=14) and DMBA-TAM plus TGF-1 group (n=5). RESULTS: The consecutive administration of TAM markedly decreased the tumor development compared with the DMBA-control group. The DMBA-TAM and DMBA-TAM plus TGF-1 groups showed decreased expression of bromodexoyuridine, cyclin D1, cyclin E, and p21Cip1 when compared with those of the DMBA-control group. On the other hand, the labeling index of p27Kip1 was higher in the DMBA-TAM plus TGF-1 group than in the DMBA-control group. CONCLUSION: TAM suppresses tumor development, which may be associated with down-expression of cyclin D1 and cyclin E, and overexpression of p27Kip1, and addition of TGF-1 does not influence tumor development treated by TAM.
Animals
;
Blotting, Western
;
Breast
;
Cell Cycle
;
Cyclin D1*
;
Cyclin E*
;
Cyclins*
;
Endothelial Cells
;
Estrogens
;
Hand
;
Immunohistochemistry
;
Rats*
;
Receptors, Estrogen
;
Robenidine
;
Tamoxifen*
;
Transforming Growth Factor beta
6.Evaluation of urine acidification by urine anion gap in chronic metabolic acidosis.
Jin Suk HAN ; Kwon Wook JOO ; Yoon Chul JUNG ; Choon Soo LIM ; Yon Su KIM ; Cu Rie AHN ; Suhng Gwon KIM ; Jung Sang LEE ; Gheun Ho KIM
Korean Journal of Medicine 1993;45(4):415-421
No abstract available.
Acid-Base Equilibrium*
;
Acidosis*
7.Relation between Helicobacter pylori Infection and Socioeconomic Status in Korean Adolescents.
Min Kyong JUNG ; Young Se KWON ; Hyon CHOE ; Yon Ho CHOE ; Yun Chul HONG
Korean Journal of Pediatric Gastroenterology and Nutrition 2000;3(1):17-22
PURPOSE: This study was conducted to evaluate the association between H. pylori infection and socioeconomic status and to determine the current prevalence of H. pylori infection in Korean adolescents. METHODS: A structured questionnaire was sent to the children's parents to obtain demographic information on the parents and environmental information. Of the 532 questionnaires sent out, 375 (70.5%; 170girls and 205boys) were returned. Their ages ranged from 10 to 15 years (mean, 12.9 years). After collecting blood samples, we measured serum IgG antibody to H. pylori using ELISA method. The association of risk factors such as age, sex, socioeconomic class, type of house, and crowding index with H. pylori infection were analyzed by multiple regression analysis. Socioeconomic status was estimated from the parents'education and occupation using a modified Hollingshead index. RESULTS: The prevalence rate of H. pylori infection was 16.8% (63/375). It increased with age (10.3% at 10~11 years, 15.9% at 12~13 years, and 20.7% at 14~15 years). The H. pylori infection was inversely related to the socioeconomic class (6.3% for the upper class, 16.0% for the middle class, and 20.0% for the lower class). Crowding condition and type of house did not affect significantly on seroprevalence of H. pylori infection. After logistic regression, we found that the odds ratio for age was 2.2 (95% confidence interval 0.9~5.4), and for socioeconomic status, 3.6 (95% confidence interval 0.5~28.9). CONCLUSION: The prevalence of H. pylori infection in Korean adolescents was 16.8%. It related inversely to socioeconomic status but was not statistically significant. Socioeconomic status based on parents' education and occupation seemed to affect more on H. pylori seroprevalence than crowding or type of house did.
Adolescent*
;
Crowding
;
Education
;
Enzyme-Linked Immunosorbent Assay
;
Helicobacter pylori*
;
Helicobacter*
;
Humans
;
Immunoglobulin G
;
Logistic Models
;
Occupations
;
Odds Ratio
;
Parents
;
Prevalence
;
Surveys and Questionnaires
;
Risk Factors
;
Seroepidemiologic Studies
;
Social Class*
8.Aldosterone Synthase Gene (CYP11B2) Polymorphism in Korean End-Stage Renal Disease Patients on Hemodialysis.
Ji Eun LEE ; So Yon BAE ; Jeong Yup KIM ; Heui Jung PYO ; Young Joo KWON
Electrolytes & Blood Pressure 2009;7(2):67-72
Aldosterone synthase gene (CYP11B2) -344C/T polymorphism has been reported to be associated with serum aldosterone level, urinary aldosterone excretion, blood pressure, and left ventricular size and mass. The aim of this study was to evaluate the relation between CYP11B2 polymorphism and end-stage renal disease (ESRD) in the Korean population and the association with CYP11B2 polymorphism and cardiovascular morbidity in ESRD patients on hemodialysis. Genotyping was performed in 134 control subjects and 271 ESRD patients for CYP11B2 polymorphism using polymerase chain reaction through subsequent cleavage with restriction enzyme. Also current blood pressure, demographic, anthropometric and biochemical variables were investigated. The genotype distribution did not differ between ESRD patients and controls and there were no significant differences in blood pressure, use of antihypertensive medication, left ventricular hypertrophy and cardiovascular disease among the three genotypes in ESRD patients on hemodialysis. Our findings do not support the hypothesis that CYP11B2 polymorphism may be associated with prevalence of ESRD and suggest that CYP11B2 polymorphism may not be a genetic marker for cardiovascular morbidity in Korean ESRD patients.
Aldosterone
;
Aldosterone Synthase
;
Blood Pressure
;
Cardiovascular Diseases
;
Genetic Markers
;
Genotype
;
Humans
;
Hypertrophy, Left Ventricular
;
Kidney Failure, Chronic
;
Polymerase Chain Reaction
;
Polymorphism, Genetic
;
Prevalence
;
Renal Dialysis
9.Quality of Life of Women with Urinary Incontinence: A Systematic Literature Review.
Bo Eun KWON ; Gi Yon KIM ; Youn Jung SON ; Young Sook ROH ; Mi Ae YOU
International Neurourology Journal 2010;14(3):133-138
PURPOSE: The purpose of this study was to review studies that have examined the quality of life of women with urinary incontinence. MATERIALS AND METHODS: A review was conducted that used the databases PubMED, Proquest, CINAHL, and Sciencedirect. Articles were included that were published in English between 2005 and 2010 the key words use were urinary incontinence, women, and quality of life. RESULTS: A total of 18 studies were identified, and the prevalence of urinary incontinence varied depending on the definition of incontinence used and the age of the population studied. The Incontinence Quality of Life (I-QoL), Incontinence Impact Questionnaire-short form (IIQ-7), and King's Health Questionnaire (KHQ) were the most commonly used instruments. Demographic, medical, physical, psychological, health, and intervention factors were reported as influencing factors on the quality of life of women with incontinence. Age, severity of urinary incontinence, type of urinary incontinence, number of urinary incontinence episodes, body weight, stress, and help-seeking behavior were statistically significant variables influencing quality of life. CONCLUSION: Future studies are needed to identify factors related to quality of life among women with incontinence and to use validated instruments according to specific subjects.
Body Weight
;
Female
;
Humans
;
Prevalence
;
Quality of Life
;
Urinary Incontinence
10.The Role of Diffusion-Weighted Imaging and the Apparent Diffusion Coefficient (ADC) Values for Breast Tumors.
Mi Jung PARK ; Eun Suk CHA ; Bong Joo KANG ; Yon Kwon IHN ; Jun Hyun BAIK
Korean Journal of Radiology 2007;8(5):390-396
OBJECTIVE: We wanted to evaluate the role of diffusion-weighted imaging (DWI) and the apparent diffusion coefficient (ADC) for detecting breast tumors, as compared with the T1- and T2-weighted images. MATERIALS AND METHODS: Forty-one female patients underwent breast MRI, and this included the T1-, T2-, DWI and dynamic contrast-enhanced images. Sixty-five enhancing lesions were detected on the dynamic contrast-enhanced images and we used this as a reference image for detecting tumor. Fifty-six breast lesions were detected on DWI and the histological diagnoses were as follows: 43 invasive ductal carcinomas, one mucinous carcinoma, one mixed infiltrative and mucinous carcinoma, seven ductal carcinomas in situ (DCIS), and four benign tumors. First, we compared the detectability of breast lesions on DWI with that of the T1- and T2-weighted images. We then compared the ADCs of the malignant and benign breast lesions to the ADCs of the normal fibroglandular tissue. RESULTS: Fifty-six lesions were detected via DWI (detectability of 86.2%). The detectabilities of breast lesions on the T1- and T2-weighted imaging were 61.5% (40/65) and 75.4% (49/65), respectively. The mean ADCs of the invasive ductal carcinoma (0.89 +/- 0.18x10(-3)mm2/second) and DCIS (1.17 +/- 0.18x10(-3)mm2/ second) are significantly lower than those of the benign lesions (1.41 +/- 0.56x10(-3)mm2/second) and the normal fibroglandular tissue (1.51 +/- 0.29x10(-3)mm2/ second). CONCLUSION: DWI has a high sensitivity for detecting breast tumors, and especially for detecting malignant breast tumors. DWI was an effective imaging technique for detecting breast lesions, as compared to using the T1- and T2-weighted images.
Adenocarcinoma, Mucinous/*diagnosis
;
Adult
;
Aged
;
Breast/pathology
;
Breast Neoplasms/*diagnosis
;
Carcinoma, Ductal, Breast/*diagnosis
;
Carcinoma, Intraductal, Noninfiltrating/*diagnosis
;
Contrast Media/administration & dosage
;
Diffusion Magnetic Resonance Imaging/*methods
;
Female
;
Gadolinium DTPA/diagnostic use
;
Humans
;
Image Enhancement/methods
;
Imaging, Three-Dimensional/methods
;
Middle Aged
;
Observer Variation
;
Sensitivity and Specificity