1.Clinical significance of 9 step tympanogram in E-tube function test.
Jong Tae YOON ; Kwang Sun LEE ; Soon Jae HWANG
Korean Journal of Otolaryngology - Head and Neck Surgery 1993;36(6):1181-1185
No abstract available.
2.Labyrinthine fistula in chronic otitis media with cholesteatoma.
Kwang Sun LEE ; Jong Tae YOON ; Soon Jae HWANG
Korean Journal of Otolaryngology - Head and Neck Surgery 1993;36(3):473-481
No abstract available.
Cholesteatoma*
;
Fistula*
;
Otitis Media*
;
Otitis*
3.Lead Concentrations of Pigeon's Tissue as Indicator of Lead pollution in Air and Soil.
Yung Woo BYUN ; Tae Yoon HWANG ; Jung Jeung LEE ; Chang Yoon KIM ; Jong Hak CHUNG
Korean Journal of Preventive Medicine 1996;29(1):15-26
It has been studied that a variety of fauna and flora are sensitive biological indicators which reflect the severity of regional pollution of heavy metals, but in the center of part of Taegu city the controversial issue of lead poisoning attributable to the atmosphere which contains an increased concentrations of lead has been raised recently, it is usually hard to find suitable plants or animal in the areas with heavy traffic. Pigeons are ubiquitous in and around Taegu city area, inhabiting even the most densely populated areas with heavy traffic with its small body size, high metabolic turnover, and rather limited mobility, a pigeon, as a biological indicator is expected. This study was conducted to monitor lead pollution in the Taegu and kyongju city in Korea. We measured the lead content of the various tissue of three groups of feral pigeon(Columbia livia) and soil and atmospheric lead concentration. First group was obtained io heavy traffic area in Taegu City, the second group was obtained a park in Taegu city and the third group was obtained light traffic area in kyongju city. The air and soil lead concentration of heavy traffic area in Taegu city was 0.11 microgram/m2, 4.96 microgram/g, that of park in Taegu city was 0.05 microgram/m3, 2.65 microgram/g and that of light traffic area in kyonngju city was 0.03 microgram/m3, 0.01 microgram/g. The lead content of lung, blood, kidney, femur and liver of feral pigeons in heavy traffic area in Taegu city was significantly higher than pigeons obtained in a park in Taegu city and low traffic density area in Kyonfju city(p<0.01). But stomach lead content of three group did not reflect a significant difference. In this study positive correlation was found between atmospheric lead concentrations and the concentration of lead in the pigeon's lung(r=0.5040, p<0.001), blood(r=0.3322, p<0.01), kidney(r=0.4824, p<0.001), femur(r=0.7214, p<0.001) and liverer (r=0.4836, p<0.01). we can also found positive correlation between soil lead concentrations and the concentration of lead in the pigeon's femur(r=0.4850, p<0.001), kidney(r=0.4850, p<0.001) and liver(r=0.4386, p<0.01). In the pigeon`s tissue there were significant correlations between concentration of lead in the blood and kidney(r=0.4818, p<0.001), femur(r= 0.6157, p<0.001) and liver(r=0.3889, p<0.001). In conclusion, at the heavy traffic area in Taegu city, lead concentrations found in the atmosphere and soil are reflected in the lead concentrations of different tissue of urban pigeons. It is suggested that the tissue of pigeons can be good biological indicators of environmental lead pollution.
Animals
;
Atmosphere
;
Body Size
;
Columbidae
;
Daegu
;
Femur
;
Gyeongsangbuk-do
;
Kidney
;
Korea
;
Lead Poisoning
;
Liver
;
Lung
;
Metals, Heavy
;
Soil*
;
Stomach
4.A Case of Surgically Corrected-Combined form of Total Anomalous Pulmonary Venous Return.
Dae Sung HWANG ; Sun Hwan CHO ; Jong Bum CHOI ; Hyang Suk YOON ; Soon Ho CHOI
Korean Circulation Journal 1992;22(3):473-478
Total anomalous pulmonary venous return(connection) is a congenital heart disease. Especially, the reports of the patients with double connections of all pulmonary veins were rare. An infant who underwent operation for total anomalous pulmonary venous return had double drainge of all pulmonary veins to both left vertical vein and anomalous descending vein. This second lesion was not diagnosed preoperatively, but in operative field. Operative treatments were performed by ligation of left vertical vein and central pulmonary vein-to-left atrium anastomosis without ligation of the descending anomalous vein. For these less common variants fo total anomalous pulmonary venous return,a more detailed and precise understanding of morphology can facilitate accurate surgical repair. And also, early detection of the disease is an another issue for a good prognosis.
Heart Defects, Congenital
;
Humans
;
Infant
;
Ligation
;
Prognosis
;
Pulmonary Veins
;
Scimitar Syndrome*
;
Veins
5.Erythromycin Resistance Phenotype of Streptococcus pyogenes.
Young UH ; Gyu Yel HWANG ; In Ho JANG ; Jong Sun PARK ; Oh Gun KWON ; Kap Jun YOON
Korean Journal of Clinical Microbiology 1999;2(2):131-134
BACKGROUND: The erythromycin-resistance rate and phenotype distribution of Streptococcus propenes are quite different by geographical variation and study period. The aim of the present study was to determine the evolution of resistance to erythromycin and the frequency of erythromycin resistance phenotype of S. pyogenes isolated from Wonju Christian Hospital. METHODS: The minimal inhibitory concentrations (MICs) of erythromycin and clindamycin for 94 S. pyogenes isolated from clinical specimens between 1990 to 1998 were investigated. Double disk test of erythromycin (78microgram) and clindamycin (25microgram) were performed for 15 isolates of erythromycin resistant S. pyogenes to evaluate the erythromycin resistance phenotype. RESULTS: The resistance rates of 94 isolates of S. pyogenes were 16%(15/94) to erythromycin and 4%(4/94) to clindamycin. The frequency of erythromycin resistance phenotype in decreasing order were M phenotype (47%), inducible resistance phenotype (40%), and constitutive resistance phenotype (13%). Erythromycin-resistant S. pyogenes did not exist until 1993, but was isolated since 1994, and ranged from 14.0% to 24.0% during the period of 1994-1998. CONCLUSIONS: Our finding documents the emergence of high resistance rates to erythromycin in S. pyogenes at Wonju area since 1994. The M phenotype (47%) and inducible resistance phenotype (40%) account for the majority of erythromycin-resistant S. pyogenes.
Clindamycin
;
Erythromycin*
;
Gangwon-do
;
Phenotype*
;
Streptococcus pyogenes*
;
Streptococcus*
6.Penile Dorsal Skin Flap Urethroplasty in Extensive Traumatic Urethral Stricture.
Kook Hyeong HWANG ; Jong Byung YOON
Korean Journal of Urology 1995;36(4):438-444
Most patients of urethral stricture can be cured by urethral dilatation or visual internal urethrotomy. But, it is necessary to perform accurate surgical urethroplasty in complex urethral stricture such as extensive or multiple urethral strictures, urethrocutaneous fistula, urethral diverticulum, periurethral scar and chronic inflammation. Usually urethroplasty can be performed in one-stage, using standard end-to-end urethral anastomosis or full thickness skin graft or vascularized skin flap urethroplasty. But, in high risk cases, sometimes, two-stage scrotal inlay operation is adopted. We report 3 successful results with urethroplasty using vascularized penile dorsal skin flap which was made from rectangularily designed penile dorsal skin with longitudinal incision, one was inflammatory posterior urethral stricture associated with traumatic urethrocutaneous fistula the other was extensive and multiple inflammatory bulbous urethral stricture and another was intractable penile urethral stricture; totally in 3 cases.
Cicatrix
;
Dilatation
;
Diverticulum
;
Fistula
;
Humans
;
Inflammation
;
Inlays
;
Skin*
;
Transplants
;
Urethral Stricture*
7.Studies on Uric Acid Disorders in Patients With Upper Urinary Calculi.
Chi Il HWANG ; Jong Byung YOON
Korean Journal of Urology 1982;23(2):149-154
We studied tire causative diseases and serum concentration and daily urinary excretion of uric acid in 115 cased of radiopaque upper urinary stone formers. And with the aim of establishing methods for the prevention of recurrent stone formation, allopurinol and/or sodium bicarbonate was administered to hyperuricemia and/or hyperuricosuria. The following results were obtained. 1. 25 of 115 cases having uric acid abnormality in serum and/or urine, it was some correlation on between hyperuricemia and/or hyperuricosuria and calcium formers. 2. 14 of 25 cases administering allopurinol and/or sodium bicarbonate after lithotomy had not recurrent stone formation for 1-2 years. But of 11 cases receiving medical treatment alone only 2 cases were spontaneously evacuated the stones, 3 cases were decreased in number of stones, 6 cases were not changed. 3. After administration of allopurinol serum uric acid, daily urinary uric acid daily urinary calcium and daily urinary inorganic phosphorus value were significantly decreased but serum calcium and inorganic phosphorus were not significantly changed. These results suggested that allopurinol was effective or prevention of recurrent stone formation, even through our studies were relatively short period and not many cases.
Allopurinol
;
Calcium
;
Humans
;
Hyperuricemia
;
Phosphorus
;
Sodium Bicarbonate
;
Uric Acid*
;
Urinary Calculi*
;
Urolithiasis
8.Medical care expenditure of residents in urban poor area.
In Soo HWANG ; Kyeong Soo LEE ; Chang Yoon KIM ; Pock Soo KANG ; Jong Hak CHUNG
Yeungnam University Journal of Medicine 1993;10(1):91-102
This study was carried out to assess medical care expenditure of residents in urban poor area. The study population included 377 family members of 85 households in the poor area of Daemyung 8-Dong, Nam-Gu, Taegu and 442 family members of 96 households in a control area. The data was collected through self-administered q'iestionnaires completed by housewives. The survey was conducted. from , March 1 to May 31; 1992. The mean age was 31. 1 years in the poor area and 37. 1 years in the control area. The average number of households per house was 4.5 in the poor area and 4.5 in the control area. The frequency of medical care utilization per household in a one month period was 4.6 in the poor area and 4.3 in the control area. The average number of days of utilization was 12.9 in the poor area and 12.5 in the control area. The averge monthly income of a househlod in the poor area was 848,600 Won compared to the control area's 1,752,300 Won. The average monthly consumption expenditure of a household in the poor area was 568,800 Won and that in the control area 1,238,400 Won. The average medical care monthly expenditure per household was 34,500 Won in the poor area and 58,400 Won in the control area. The proportion of the medical care expenditure to monthly income and to monthly consumption expenditure was 4.1% and 6.1% respectively in the poor area, and 3.3% and 4.7%, respectively in the control area. The premium of medical insurance was 1.5% in both areas. The proportion of cost for drug was 57.4%, for medical appliance was 1.2%, and for medical treatment was 41.1% in the poor area and in the control area 52.4%, 1.9%, 45.7%, respectively. The highest proportion of medical care expenditures in the poor area was herb clinic utilization (36.9%). while hospital and clinic (37.8%) was the highest proportion in the control area. Mean medical care expenditure per visit was 7,400 Won in the poor area and 12,600 Won in the control area. Mean medical care expinditure per day was 2,800 Won in the poor area and 6.300 Won in the control area.
Daegu
;
Family Characteristics
;
Health Expenditures*
;
Humans
;
Insurance
9.Antihypertensive Effects and Safety of Lisinopril in Essential Hypertension.
Yeong Kee SHIN ; Tak Jong HONG ; Chang Hyoung MOON ; Seoung Yoon HWANG ; Bu Woung KIM
Korean Circulation Journal 1994;24(2):313-318
BACKGROUND: Antihypertensive effect and safety of the newer, long acting, nonsulfhydryl angiotensin converting enzyme inhibitor, lisinopril, were studied. METHODS: Twenty eight patients of mild to moderate essential hypertension were administered 10-20mg of lisinopril once daily for ten weeks. Patients were evaluated every two weeks concerning the changes of blood pressure and pulse rate in the sitting position and also any untoward sumptoms and signs attributable to the side effect. Chest X-rey, ECG and laboratory examination were performed in principle two times before and after the completion of medication. RESULTS: The blood pressure declined from 165.4/107.6mmHg to 141.3/92.4mmHg at the end of ten weeks of medication, thus the reduction of 24.1mmHg of systolic pressure and 15.2mmHg of diastolic pressure were observed and the overall effective rate was 85.7%. The pulse rate and laboratory findings were not sigificantly changed before and after the administration of lisinopril. The side effects were observed in 2 cases(7.1%) of mild dry cough and in 2 cases(7.1%) of transitory mild headache and in 1 case(3.6%) of dizziness but no one discontinued medication due to adverse effects. CONCLUSION: Lisinopril proved effective and safe in the treatment of mild to moderate essential hypertension.
Blood Pressure
;
Cough
;
Dizziness
;
Electrocardiography
;
Headache
;
Heart Rate
;
Humans
;
Hypertension*
;
Lisinopril*
;
Peptidyl-Dipeptidase A
;
Thorax
10.Experience of Marshall-Marchetti Operation in Stress Incontinence.
Chi Il HWANG ; Jong Byung YOON
Korean Journal of Urology 1981;22(3):322-326
The stress incontinence is a disease commonly developing in multipara and occurs by deficiency of estrogen and relaxation of pelvic organ generally after menopause but it is possible to occur before menopause by change in the structure of pelvic organ. Herin, we report 1 cases of stress incontinence, one nuliparous in pelvic trauma and remaining 3 cases in multipara. The diagnosis of stress incontinence was made by history, Marshall-Marchetti test and chain cystography. All cases underwent Marshall-Marchetti operation. After the operation, symptoms were improved in all cases and they have had satisfactory in usual life for 6 months to 4 years.
Diagnosis
;
Estrogens
;
Female
;
Menopause
;
Relaxation