1.Clinical Courses of Cavitary Lesions in Pulmonary Tuberculosis.
Seung Kyu PARK ; Eun Soo KWEON ; Sun Dae SONG
Tuberculosis and Respiratory Diseases 2001;50(4):484-492
BACKGROUND: Pulmonary tuberculosis with a remaining cavitary lesion is considered to be a problem with the course of treatment. In particular, re-treatment cases tend to respond poorly to current anti-tuberculosis agents. Therefore the factors that are related with the poor closure of a cavitary lesion in pulmonary tuberculosis during treatment were evaluated. METHODS: A retrospective review of the medical records and chest X-ray films of 68 patients who had chemotherapy for the pulmonary tuberculosis with cavitary lesions was made. All the patients had been followed up for more than 12 months at National Masan Tuberculosis Hospital as of Aug. 2000. RESULTS: The male to female ratio was 3.9:1. 72.4% of the patients were between 20 to 50 years of age. 66.2% of the cavitary lesions on the chest X-ray films were confined to the upper lung fields : 36.8% in the right upper lung field and 29.4% in the left upper lung field. 82.4% of the cavities were less than 40mm in their size, and 83.8% were less than 6mm thick. The cavitary lesions were closed in 48 cases and remained in 20 cases during a follow-up period of more than 12 months. The factors that are though to affect ot the outcomes of the cavities were age, past medication history, the number of unused drugs, and the number of sensitive drugs. CONCLUSION: In the treatment courses of pulmonary tuberculosis with cavitary lesions, the following factors are associated with less desirable outcome:an age over 45, a past medication history of more than 2 courses of treatment, The number of unused drugs not exceeding average 6 and the number of sensitive drugs not exceeding average 7.
Drug Therapy
;
Female
;
Follow-Up Studies
;
Hospitals, Chronic Disease
;
Humans
;
Lung
;
Male
;
Medical Records
;
Retrospective Studies
;
Thorax
;
Tuberculosis, Pulmonary*
;
X-Ray Film
2.Functional electrocal stimulation:the effect of stimulating frequency.
Ho Joong JEONG ; Do Cheol KWEON ; In Sun PARK
Journal of the Korean Academy of Rehabilitation Medicine 1993;17(1):95-99
No abstract available.
3.Posttraumatic syringomyelia in spinal cord injury: case report.
Do Cheol KWEON ; Guen Yeol JO ; In Sun PARK
Journal of the Korean Academy of Rehabilitation Medicine 1993;17(4):656-659
No abstract available.
Spinal Cord Injuries*
;
Spinal Cord*
;
Syringomyelia*
4.Reference Values of Cadmium in Kidney and Liver in Korean.
Jung Duck PARK ; Byung Sun CHOI ; Il Hoon KWEON ; Yeon Pyo HONG ; Im Won CHANG
Korean Journal of Occupational and Environmental Medicine 2000;12(3):346-355
OBJECTIVES: Cadmium (Cd), a toxic and non-essential metal, is recognized as a human carcinogen, which has a tendency to accumulate in the human body. The levels of Cd in renal cortex and liver are good indicators as an index of Cd exposure in the general population. In this study, we present an estimation of reference Cd levels in tissue (renal cortex and liver) and total body burden in the general population of Korea. MEDTHODS: Cd and zinc (Zn) were analyzed in renal cortex and liver from 254 autopsies (male : 188 cases, female : 66 cases) aged 0 to 87 years. RESULTS: Geometric mean concentration of Cd was 27.4 and 3.1 ua/g wet weight in renal cortex and liver, respectively. The level of Zn in renal cortex and liver was 35.4 and 42. 6 v/g wet weight, respectively. The result suggests that kidney is the target organ for Cd accumulation. The accumulation of Cd in renal cortex was age-dependent with a biphasic pattern. The level of Cd in renal cortex increased with age up to the fifties, and then leveled off thereafter. Based on the data, the regression model for Cd accumulation in renal cortex by age is predicted by : Log KCd = 0. 2325 + 0. 0553 Age 0. 0005 Age. The highest Cd accumulation in renal cortex of Koreans was estimated at 43. 3 ua/g wet weight at 50. 8 years old. In addition, the total Cd body burden by age was estimated by the following equation: Total Cd Body Burden = -4. 5948 + l. 2278 Age - 0. 0121 Age. The highest body burden of Cd was estimated at 26. 5 mg at age 50. 7 years in the Korean general population. The positive correlation between Zn and Cd was observed in renal cortex and liver. CONCLUSIONS: The level of Cd exposure in Korean was found to be lower than in Japanese, but same as or higher than in American and Europeans.
Asian Continental Ancestry Group
;
Autopsy
;
Body Burden
;
Cadmium*
;
Child
;
Female
;
Human Body
;
Humans
;
Kidney Cortex
;
Kidney*
;
Korea
;
Liver*
;
Reference Values*
;
Zinc
5.A Case of Arrhythmogenic Right Ventricular Dysplasia.
Young Kwon KIM ; Dong Sun HAN ; Suk Hoe KWEON ; Myung In LEE ; Hak Joong LEE
Korean Circulation Journal 1996;26(6):1204-1209
Arrhythmogenic right ventricular dysplasia is a rare heart muscle disorder of unknown cause that primarily involves the right ventricle. It is characterized pathologically by fibrofatty replacement of the right ventricular myocardium. Clinical manifestations include structural and functional abnormalities of the right ventricle, electrocardiographic depolarization/repolarization changes, and presentation with sudden death or ventricular arrhythmias of right ventricular origin. It is one of the important causes of the ventricular arrhythmia or sudden death among apparently healthy young people. We report a case of arrhythmogenic right ventricular dysplasia with the review of the literature.
Arrhythmias, Cardiac
;
Arrhythmogenic Right Ventricular Dysplasia*
;
Death, Sudden
;
Electrocardiography
;
Heart Ventricles
;
Myocardium
6.Primary Neoplasms of the Small Bowel.
Journal of the Korean Surgical Society 1999;56(6):839-847
BACKGROUND: Primary tumor of the small bowel is uncommon less than 6% of all gastrointestinal tumors. Its symptoms and signs are nonspecific and its diagnosis is difficult. METHODS: We analyzed 43 patients with primary small bowel tumor who had undergone operations at the Chungnam National University Hospital from January 1990 to December 1997. RESULTS: 1) In total 43 cases, 19 cases (44.2%) were male and 24 cases (55.8%) were female, benign tumors were 13 cases (30.2%) and malignant tumors were 30 cases (69.8%). The mean age was 51 year. 2) The primary sites of benign tumors were the duodenum in 5, jejunum in 3, ileum in 5 cases. The primary sites of malignant tumors were the duodenum in 13, jejunum in 9, ileum in 8 cases. 3) Polyp was most common benign tumor (30.7%), and leiomyosarcoma was most common malignant tumor (43.3%). 4) The most common symptom was abdominal pain (65.1%), followed by melena (34.9%) and weight loss (20.9%). The most common sign was palpable mass (39.5%) and anemia (39.5%). 5) In the duodenal tumors, the detectabilities of endoscopy and upper gastrointestinal series were 68.8% and 71.4%, respectively. In the jejunal and the ileal tumors, the detectabilities of small bowel series were 62.5% and 71.4%, respectively and those of abdominal computed tomogram were 50.0% and 42.9%, respectively. The accuracy of preoperative diagnosis was 7 cases (53.8%) in benign and 20 cases (66.7%) in malignant tumor. 6) In cases of malignant tumor, curative resection was performed in 18 cases (60.0%), palliative resection was performed in 10 cases (33.3%), and bypass procedure was performed in 2 cases (6.7%). In cases of benign tumor, small bowel resection was performed in 9 cases and excision of duodenal polyp was performed in 2 cases. 7) The mean follow-up period of malignant tumor of 27 cases except 3 hospital mortality cases was 35 months. During this time, 7 cases were dead due to recurrence. The mean survival time of 7 mortality cases was 20.4 months, of them 4 cases were leiomyosarcoma, 2 cases were adenocarcinoma, and 1 case was lymphoma. CONCLUSIONS: Because diagnosis of small bowel tumor is difficult and confirmed in late stage, high degree of suspicion and endeaver to discover it is important.
Abdominal Pain
;
Adenocarcinoma
;
Anemia
;
Chungcheongnam-do
;
Diagnosis
;
Duodenum
;
Endoscopy
;
Female
;
Follow-Up Studies
;
Hospital Mortality
;
Humans
;
Ileum
;
Jejunum
;
Leiomyosarcoma
;
Lymphoma
;
Male
;
Melena
;
Mortality
;
Polyps
;
Recurrence
;
Survival Rate
;
Weight Loss
7.Hamartoma of the Spleen.
Woo Jung KWEON ; Jin Sun BAE ; In Sang SONG
Journal of the Korean Surgical Society 2000;58(1):144-148
Splenic hamartomas are rare benign tumors, which are usually small in size and asymptomatic and which are discovered incidentally at surgery or autopsy. The authors report on a case of splenic hamar toma in a 35-year-old man with intermittent left upper quardrant pain, who underwent an elective splenc tomy. Final pathology confirmed diagnosis of a hamartoma of the red pulp in the spleen. The patient's symptoms were resolved after the splenectomy. A splenic hamartoma should be kept in mind in the differential diagnosis of splenic tumors. The authors suggest that a splenectomy is indicated in cases where malignancy cannot be excluded and in cases of associated clinical symptoms or hematologic disorders.
Adult
;
Autopsy
;
Diagnosis
;
Diagnosis, Differential
;
Hamartoma*
;
Humans
;
Pathology
;
Spleen*
;
Splenectomy
8.Relationship of Average Volume of Alcohol Consumption and Binge Drinking to Arterial Stiffness in Community-Dwelling Healthy Adults.
Sun Seog KWEON ; Young Hoon LEE
Journal of Agricultural Medicine & Community Health 2012;37(1):23-35
OBJECTIVES: The purpose of this study was to investigate the association of the average volume of alcohol consumption and binge drinking with arterial stiffness. METHODS: The study population consisted of 5944 community-dwelling healthy adults aged 50 years and older. Average volume of alcohol consumption was calculated and frequency of binge drinking defined as the consumption of 7 or more drinks for men and 5 or more for women on a single occasion, was assessed using a structured interview. High brachial-ankle pulse wave velocity (baPWV), a marker of arterial stiffness, was defined as the highest gender-specific quartile of maximal baPWV distribution in the study population. RESULTS: Compared to never drinkers, the multivariate-adjusted odds ratio (OR) of men who consumed 0.1-10.0, 10.1-20.0, 20.1-40.0, and >40.0 g/day was 0.93, 1.18, 1.38, and 2.36, respectively. The OR was 0.90, 0.97, 1.45, and 1.82 in women consuming 0.1-5.0, 5.1-10.0, 10.1-20.0, and >20.0 g/day, respectively. Binge drinking of <1 day/week (OR=1.66, 95% confidence interval [CI]=1.13-2.42) and > or =1 day/week (OR=1.61, 95% CI=1.04-2.50) were associated with increased risk for high baPWV in men, and binge drinking of > or =1 day/week (OR=3.12, 95% CI=1.16-8.34) was associated with increased risk for high baPWV in women. CONCLUSIONS: A J-shaped relationship between the average volume of alcohol consumption and high baPWV was observed, suggesting the detrimental effects of heavy alcohol drinking on arterial stiffness. Binge drinking was also significant risk factors for increased arterial stiffness, independently of the average volume of alcohol consumption.
Adult
;
Aged
;
Alcohol Drinking
;
Atherosclerosis
;
Binge Drinking
;
Female
;
Humans
;
Male
;
Odds Ratio
;
Peripheral Arterial Disease
;
Pulse Wave Analysis
;
Risk Factors
;
Vascular Stiffness
9.Updates on Cancer Epidemiology in Korea, 2018.
Chonnam Medical Journal 2018;54(2):90-100
Cancer is a major cause of morbidity and the most common cause of death in Korea. There are currently approximately 200,000 incident cancer cases and 78,000 individuals die from cancer every year. The factors directly related to cancer incidence, including aging, smoking, obesity, and Westernized dietary habits, have been increasing during the past several decades. Since 1999, trends toward increased incidence have been observed for thyroid, breast (in women), colorectal, and prostate cancer. Currently, these trends have changed direction, and the incidence of stomach and liver cancer in both sexes, and cervical cancer in women have continually declined. Although the number of cancer deaths increased by a factor of 2.7 from 1983 to 2016, the age-standardized mortality associated with cancer has been decreasing by 3% every year. The 5-year relative survival rate (RSR) has also improved over the past several decades, especially for stomach, prostate, and breast cancer, which had 5-year RSRs greater than 90% in the most recent report.
Aging
;
Breast
;
Breast Neoplasms
;
Cause of Death
;
Epidemiology*
;
Female
;
Food Habits
;
Humans
;
Incidence
;
Korea*
;
Liver Neoplasms
;
Mortality
;
Obesity
;
Prostate
;
Prostatic Neoplasms
;
Republic of Korea
;
Smoke
;
Smoking
;
Stomach
;
Survival Rate
;
Thyroid Gland
;
Uterine Cervical Neoplasms
10.Epidemiology of liver cancer in Korea
Journal of the Korean Medical Association 2019;62(8):416-423
The incidence rate of primary liver cancer in Korea, the majority of which is hepatocellular carcinoma, has been decreasing steadily since 1999. However, Korea still has one of the highest incidence rates of liver cancer worldwide. Currently, liver cancer is the fifth most common cancer type in men and sixth in women. A total of 15,771 cases (11,774 men and 3,997 women) were identified, with an age-standardized incidence rate of 18.0 persons per 100,000 (29.2 in men and 7.9 in women) in 2016. Mortality from liver cancer has also decreased since 2002 in both sexes, although it is still the second most common cause of cancer deaths with 10,721 deaths (7,982 in men and 2,739 in women) in 2017. The 5-year relative survival rate was 13.2% in those diagnosed in 1996–2000, and it increased to 34.3% in those diagnosed in 2012–2016. Hepatitis B (HBV) and C (HCV) viruses are the most important causes of liver cancer, accounting for approximately 70% and 10% of liver cancer cases, respectively. Recently, the seroprevalence of HBV has markedly decreased to less than 3%, and the HCV antibody positivity rate has been estimated as about 0.7% in a nationwide survey. The participation rate of patients with hepatitis in liver cancer screening, a part of the National Cancer Screening Program, was still low at about 60% in 2018. Recent advances in the treatment of HBV and HCV could further reduce the burden of liver cancer despite its limited accessibility.
Carcinoma, Hepatocellular
;
Early Detection of Cancer
;
Epidemiology
;
Female
;
Hepatitis
;
Hepatitis B
;
Humans
;
Incidence
;
Korea
;
Liver Neoplasms
;
Liver
;
Male
;
Mass Screening
;
Mortality
;
Seroepidemiologic Studies
;
Survival Rate