1.Delay of Spontaneous Neutrophil Apoptosis by Vascular Endothelial Growth Factor.
Chang Won JEON ; Hae Young PARK ; Jong Young KWAK ; Hyung Ho KIM
Journal of the Korean Surgical Society 2005;69(4):328-334
PURPOSE: Vascular endothelial growth factor (VEGF) stimulates angiogenesis and vascular permeability. Tissue damage is related to angiogenesis, and induced by a delay in neutrophil apoptosis. This study was performed to investigate the effect of VEGF on the spontaneous neutrophil apoptosis via the activation of VEGFR-1 and phosphorylation of the p38-MAPK pathway. METHODS: Neutrophils were prepared from 10 healthy young donors, cultured for 20 h, and the apoptosis measured by the morphological changes and flow cytometry. The VEGF receptor expression and phosphorylation of mitogen activated protein kinase (MAPK) were measured using a Western blotting method. RESULTS: VEGF dose-dependently delayed the spontaneous neutrophil apoptosis, but this effect was blocked by pre-treatment of the cells with a VEGF receptor antagonist. VEGF increased the phosphorylated forms of the extracellular stress related kinase (Erk) and p38-MAPK. However, the VEGF-induced delay in apoptosis was not affected by the Erk inhibitor, PD98059 but was affected by the p38- MAPK inhibitor, SB203580. The VEGF receptor-1, but not the VEGF receptor-2, was detected in neutrophils, but its level was reduced in cultured neutrophils. CONCLUSION: VEGF delays neutrophil apoptosis through p38- MAPK activation.
Apoptosis*
;
Blotting, Western
;
Capillary Permeability
;
Flow Cytometry
;
Humans
;
Neutrophils*
;
Phosphorylation
;
Phosphotransferases
;
Protein Kinases
;
Receptors, Vascular Endothelial Growth Factor
;
Tissue Donors
;
Vascular Endothelial Growth Factor A*
;
Vascular Endothelial Growth Factor Receptor-1
2.Relationship between Obesity and Lifestyle Factors in Young Korean Women: the Seventh Korea National Health and Nutrition Examination Survey 2016
Jeon Won KWAK ; Chan Hee JEON ; Min Ho KWAK ; Jeong Hyeon KIM ; Yong Soon PARK
Korean Journal of Health Promotion 2019;19(1):9-15
BACKGROUND: The purpose of this study was to examine whether lifestyle-related factors are associated with obesity in a selected sample of young Korean women. METHODS: This cross-sectional study involved 822 women aged 19–39 years who participated in the Seventh Korea National Health and Nutrition Examination Survey conducted in 2016. Obesity status was defined as general and abdominal obesity. Multiple logistic regression analyses were used to evaluate the association between lifestyle-related factors and obesity status. RESULTS: The prevalence of obesity was 20.3% for general obesity and 17.4% for abdominal obesity. There were negative associations between the energy intake/body weight ratio and general and abdominal obesity. High-risk drinking was significantly associated with general obesity (adjusted odds ratio, 1.747; 95% confidence interval, 1.112–2.745), but was not associated with abdominal obesity. CONCLUSIONS: Among young Korean women aged 19–39 years, high-risk drinking may be a risk factor for general obesity.
Alcohol Drinking
;
Cross-Sectional Studies
;
Drinking
;
Female
;
Health Behavior
;
Humans
;
Korea
;
Life Style
;
Logistic Models
;
Nutrition Surveys
;
Obesity
;
Obesity, Abdominal
;
Odds Ratio
;
Prevalence
;
Risk Factors
3.Factors Associated with Unmet Healthcare Needs of the Older Korean Population: The Seventh Korea National Health and Nutrition Examination Survey 2017
Chan Hee JEON ; Jeon Won KWAK ; Min Ho KWAK ; Jeong Hyeon KIM ; Yong Soon PARK
Korean Journal of Health Promotion 2019;19(2):84-90
BACKGROUND:
South Korea has the fastest growing aging population in the world, and older people require more healthcare services. Unmet healthcare needs still exist in Korea due to several complex reasons. This study aimed to evaluate the factors associated with unmet healthcare needs of the older Korean population.
METHODS:
This cross-sectional study included 1,194 older adults, aged 65 years and older, who participated in the Seventh Korea National Health and Nutrition Examination Survey conducted in 2017. Sociodemographic factors, lifestyle and health status, comorbidity, and unmet healthcare needs were included in this study's analysis. Multiple logistic regression analysis was used to evaluate the association between unmet healthcare needs and other factors.
RESULTS:
The prevalence of unmet healthcare needs in this study population was 7.8%. After adjusting for age, sex, education level, household income, living alone, private health insurance, regular walking, body mass index, unintended weight loss, and osteoarthritis, women (adjusted odds ratio [aOR], 1.921; 95% confidence interval [CI], 1.061–3.479) and unintended weight loss (aOR, 2.218; 95% CI, 1.105–4.453) were more likely to have unmet healthcare needs than their counterparts. The group with general obesity (aOR, 1.691; 95% CI, 1.015–2.816) was more likely to have unmet healthcare needs than the group with normal body mass index.
CONCLUSIONS
Among the older Korean population, being a woman, general obesity, and unintended weight loss may be risk factors for unmet healthcare needs.
4.Relationship between Obesity and Lifestyle Factors in Young Korean Women: the Seventh Korea National Health and Nutrition Examination Survey 2016
Jeon Won KWAK ; Chan Hee JEON ; Min Ho KWAK ; Jeong Hyeon KIM ; Yong Soon PARK
Korean Journal of Health Promotion 2019;19(1):9-15
BACKGROUND:
The purpose of this study was to examine whether lifestyle-related factors are associated with obesity in a selected sample of young Korean women.
METHODS:
This cross-sectional study involved 822 women aged 19–39 years who participated in the Seventh Korea National Health and Nutrition Examination Survey conducted in 2016. Obesity status was defined as general and abdominal obesity. Multiple logistic regression analyses were used to evaluate the association between lifestyle-related factors and obesity status.
RESULTS:
The prevalence of obesity was 20.3% for general obesity and 17.4% for abdominal obesity. There were negative associations between the energy intake/body weight ratio and general and abdominal obesity. High-risk drinking was significantly associated with general obesity (adjusted odds ratio, 1.747; 95% confidence interval, 1.112–2.745), but was not associated with abdominal obesity.
CONCLUSIONS
Among young Korean women aged 19–39 years, high-risk drinking may be a risk factor for general obesity.
5.Factors Associated with Unmet Healthcare Needs of the Older Korean Population: The Seventh Korea National Health and Nutrition Examination Survey 2017
Chan Hee JEON ; Jeon Won KWAK ; Min Ho KWAK ; Jeong Hyeon KIM ; Yong Soon PARK
Korean Journal of Health Promotion 2019;19(2):84-90
BACKGROUND: South Korea has the fastest growing aging population in the world, and older people require more healthcare services. Unmet healthcare needs still exist in Korea due to several complex reasons. This study aimed to evaluate the factors associated with unmet healthcare needs of the older Korean population. METHODS: This cross-sectional study included 1,194 older adults, aged 65 years and older, who participated in the Seventh Korea National Health and Nutrition Examination Survey conducted in 2017. Sociodemographic factors, lifestyle and health status, comorbidity, and unmet healthcare needs were included in this study's analysis. Multiple logistic regression analysis was used to evaluate the association between unmet healthcare needs and other factors. RESULTS: The prevalence of unmet healthcare needs in this study population was 7.8%. After adjusting for age, sex, education level, household income, living alone, private health insurance, regular walking, body mass index, unintended weight loss, and osteoarthritis, women (adjusted odds ratio [aOR], 1.921; 95% confidence interval [CI], 1.061–3.479) and unintended weight loss (aOR, 2.218; 95% CI, 1.105–4.453) were more likely to have unmet healthcare needs than their counterparts. The group with general obesity (aOR, 1.691; 95% CI, 1.015–2.816) was more likely to have unmet healthcare needs than the group with normal body mass index. CONCLUSIONS: Among the older Korean population, being a woman, general obesity, and unintended weight loss may be risk factors for unmet healthcare needs.
Adult
;
Aging
;
Body Mass Index
;
Comorbidity
;
Cross-Sectional Studies
;
Delivery of Health Care
;
Education
;
Family Characteristics
;
Female
;
Humans
;
Insurance, Health
;
Korea
;
Life Style
;
Logistic Models
;
Needs Assessment
;
Nutrition Surveys
;
Obesity
;
Odds Ratio
;
Osteoarthritis
;
Prevalence
;
Risk Factors
;
Walking
;
Weight Loss
6.Prognostic Significance of Supraclavicular Lymph Nodes and Pleural Effusion In Small Cell Lung Cancer.
Mi Jeong KIM ; Seung Beom HAN ; Jin Ho KWAK ; Doo Young KWON ; Min Su KIM ; Won Il CHOI ; Young June JEON ; Jae Yong PARK ; Tae Hoon JUNG
Tuberculosis and Respiratory Diseases 2001;50(1):84-93
BACKGROUNDS: In the absence of distant metastasis, small cell lung cancer (SCLC) patients presenting with supraclavicular lymph node (SCLN) involvement and pleural effusion can benefit from thoracic radiotherapy. But there are some debate as to the prognostic significance of both SCLN involvement and pleural effusion. The purpose of this study was to determine the prognostic significance of SCLN involvement and pleural effusion in SCLC. METHODS: Two Hundred and fifteen patients with histologically confirmed small cell lung cancer, who were treated either at the Keimyung university Dongsan hospital and Kyungpook national university hospital from January 1994 to June 1998, were evaluated retrospectively. The patients were classified as having either limited or extensive stage using the Veterans Administration staging system. RESULTS: SCLN was presented in 10.5% of patients(n=21). The median survival was 247 days for patients with SCLN(n=21) and 264 days for patients without(n=194) (p=0.52). After treatment, the median survival was 298 days for patients with SCLN(n=13) and 348 days for patients without(n=115) (p=0.52). SCLN involvement was not correlated with the presence of distant metastases. Medican survival was 459 days for patients with a limited stage without SCLN(n=66), 650 days for those with a limited stage with SCLN (n=7) (p=0.96). Pleural effusion was presented in 24.7% of patients(n=52). The median survival was 198 days for patients with pleural effusion(n=52) and 275 days for patients without(n=163) (p<0.05). After treatment, the median survival was 294 days for patients with a pleural effusion(n=25) and 286 days for patients without(n=103) (p=0.39). The presence of pleural effusion was not correlated with that of distant metastases. The median survival was 395 days for patients with a limited stage without a pleural effusion(n=63), 451 days for those with a limited stage with pleural effusion(n=10) (p=0.92). CONCLUSIONS: In this study, SCLN involvement does not explain the poor survival rate and the relevance to extensive staged disease. Furthermore, the existence of a pleural effusion did not correlated with the presence of distant metastases. However, the presence of a pleural effusion appears to be a minor prognostic factor in our study. Therefore supraclavicular lymph node justify any amendment to the staging system currently used.
Gyeongsangbuk-do
;
Humans
;
Lymph Nodes*
;
Neoplasm Metastasis
;
Pleural Effusion*
;
Radiotherapy
;
Retrospective Studies
;
Small Cell Lung Carcinoma*
;
Survival Rate
;
United States Department of Veterans Affairs
7.Validity of Peak Expiratory Flow for Assessing Reversible Airflow Obstruction.
Won Il CHOI ; Jin Ho KWAK ; Doo Young KWON ; Seung Beom HAN ; Young June JEON
Tuberculosis and Respiratory Diseases 2000;48(4):522-529
BACKGROUNDS: Assessment of the presence and degree of reversibility of airflow obstruction is clinically important in patients with asthma or chronic obstructive pulmonary disease. The measurement of peak expiratory flow(PEF) is a simple, fast, and cheap method to assess the severity of obstruction and its degree of reversibility. Assessing the reversibility of airflow obstruction by peak expiratory flow(PEF) measurements would be is practicable in general practice, but its usefulness has not been well investigated. We compared PEF and FEV1 in assessing reversibility of airflow obstruction in patients with chronic obstructive pulmonary disease or asthma and developed a practical criterion for assessing the presence of reversibility in general practice. METHODS: PEF measurements were performed (Spirometry) in 80 patients(aged 24-78) with a history of asthma or chronic obstructive lung disease before and after the inhalation of 200 mg salbutamol. The change in PEF was compared with the change in forced expiratory volume in one second(FEV1). Reversible airflow obstruction was analysed analyzed according to American Thoracic Society(ATS) criteria. RESULTS: When defined as a 12% A 12% increase above the prebronchodilator value and a 200ml increase in either FVC or FEV1 reversibility was were observed in 45%(36) of the patients. Relative operating characteristic(ROC) analysis showed that an absolute improvement in PEF of 30l/min gave optimal discrimination between patients with reversible and irreversible airflow obstruction(the sensitivity and specificity of an increase of 30l/min in detecting a 12% increase above the prebronchodilator value and a 200ml increase in either FVC or FEV1 were 72.2% and 72.7% respectively, with a positive predictive value of 68.4%) CONCLUSIONS: Absolute changes in PEF can be used to diagnose reversible airflow obstruction.
Albuterol
;
Asthma
;
Discrimination (Psychology)
;
Forced Expiratory Volume
;
General Practice
;
Humans
;
Inhalation
;
Pulmonary Disease, Chronic Obstructive
8.Associated Malformations and Chromosomal Defects in Antenatally Diagnosed Hydronephrosis.
Na Hyun KWAK ; Sung Woo HAN ; Ji Mi JUNG ; Ga Won JEON ; Jong Beom SIN
Korean Journal of Perinatology 2009;20(4):354-360
PURPOSE: With the increasing use of antenatal sonography, fetal hydronephrosis has been reported more frequently. But, despite extensive clinical and scientific research much controversy still exists about the assessment and management of hydronephrosis. We performed a retrospective study to determine the frequency of associated malformations and chromosomal defects in prenatally diagnosed hydronephrosis. METHODS: The records of 297 neonates who were diagnosed with hydronephrosis through antenatal ultrasonographic screening, were retrospectively analyzed. They were confirmed at 3 days to 1 month after birth with postnatal ultrasonography in Busan Paik Hospital, between January 2000 and December 2008. We karyotyped 297 neonates after ultrasonographic examination revealed hydronephrosis and malformations. RESULTS: Chromosomal abnormalities were detected in 31 (11%) cases of 297 cases and more common in female than male. The commonest chromosomal abnormality was trisomy 21, followed by Turner syndrome, deletion of autosome, unbalanced translocation. 127 cases in 109 infants had associated malformations such as urogenital and cardiovascular and gastrointestinal anomalies. The associated malformations were more common in moderate to severe hydronephrosis than mild and the number of additional abnormalities increased with the chromosomal defects. CONCLUSION: Particular attention should be paid for the cases in congenital hydronephrosis with any associated malformation such as urogenital and cardiac malformation, to investigate chromosomal abnormalities. This will enable clinicians to establish appropriate management and postnatal care.
Chromosome Aberrations
;
Down Syndrome
;
Female
;
Humans
;
Hydronephrosis
;
Infant
;
Infant, Newborn
;
Male
;
Mass Screening
;
Parturition
;
Postnatal Care
;
Retrospective Studies
;
Turner Syndrome
9.A Case of Congenital Epulis Arising from the Mandibular Gingiva.
Na Hyun KWAK ; Ji Mi JUNG ; Ga Won JEON ; Jong Beom SIN
Korean Journal of Perinatology 2009;20(2):153-157
Congenital epulis is a rare benign tumor occurring on the anterior maxillary gingiva, also known as granular cell tumor of the newborn or Neumann's tumor, which is seen only in the newborn and is different from other granular cell tumors. Congenital epulis occurs exclusively in female newborns eight to ten fold higher than in males. It can protrude out of the newborn's mouth to prevent normal closure of mouth and interfere with respiration or feeding. The treatment of choice for large symptomatic epulis is simple surgical resection. Wide surgical excision is not required, because no recurrences have been reported. This report describes a case of congenital epulis occurring on the mandibular gingiva, and typical immunohistochemical stain findings.
Female
;
Gingiva
;
Gingival Diseases
;
Gingival Neoplasms
;
Granular Cell Tumor
;
Humans
;
Infant, Newborn
;
Male
;
Mouth
;
Recurrence
;
Respiration
10.Tracheal Rupture after the Use of Reused High Volume-low Pressure Endotracheal Tube : A case report.
Jeong Won SEO ; Jae Hyun HA ; Kyung Hwa KWAK ; Young Hoon JEON ; Si Oh KIM
Korean Journal of Anesthesiology 2007;52(1):123-126
Tracheal rupture is a rare complication of tracheal intubation, but may result in pneumothorax, mediastinal emphysema, subcutaneous emphysema and other serious outcomes. Risk factors associated with tracheobronchial rupture include multiple vigorous attempts at intubation, inexperienced operator, intubating stylets, tracheal abnormalities, overdistension of tracheal or bronchial cuff, repositioning of tube without deflating the cuff, chronic obstructive airway disease and vigorous coughing while being intubated. We report a case of tracheal rupture after using single lumen endotracheal tube. A 41-year-old, 53 kg, female was operated for a repair of anterior cruciate ligament under general anesthesia in other hospital. Two hours later after the end of operation, facial swelling, dyspnea and chest pain developed. Chest computed tomography showed mediastinal emphysema. She was transferred to our hospital and bronchoscopy showed a rupture at posterior part of membranous portion 2 cm proximal to carina. Trachea was repaired and she was discharged from the hospital without complication.
Adult
;
Anesthesia, General
;
Anterior Cruciate Ligament
;
Bronchoscopy
;
Chest Pain
;
Cough
;
Dyspnea
;
Emphysema
;
Female
;
Humans
;
Intubation
;
Mediastinal Emphysema
;
Pneumothorax
;
Pulmonary Disease, Chronic Obstructive
;
Risk Factors
;
Rupture*
;
Subcutaneous Emphysema
;
Thorax
;
Trachea