1.A case of polyarteritis nodosa complicated by bilateral renal hematomas and U.G.I. bleeding.
Seong Pok CHEONG ; Kyung Woo YOON
Korean Journal of Nephrology 1991;10(3):426-433
No abstract available.
Hematoma*
;
Hemorrhage*
;
Polyarteritis Nodosa*
2.comparative study of acetate and bicarbonate hemodialysis in patients with chronic renal failure.
Seong Pok CHEONG ; Chong Sik LYM ; Kyung Woo YOON
Korean Journal of Nephrology 1993;12(3):397-407
No abstract available.
Humans
;
Kidney Failure, Chronic*
;
Renal Dialysis*
3.Congenital tuberculosis
Seong Ku WOO ; Young Kyun YOON ; Yup YOON ; Cheol Min PARK ; Soon Yong KIM
Journal of the Korean Radiological Society 1984;20(3):519-524
Congenital tuberculosis is an infection that is established in the fetus by hematogenous spread or by the aspiration or inhalation of infected amniotic fluid either before or during labor. The diagnosis can be confirmed only if both the tuberculous nature of the lesion and the antenatal origin of the infection can be proved. The authors analysed roentgen findings of two cases of pulmonary tuberculosis, thought to be congenital; 1. Diffuse distribution of nodular densities and some confluent densities were seen in the entire lungs in the inital film.The pulmonary markings were decreased in some degree. 2. Air bronchogram was noted. 3. Hepatosplenomegaly was associated.
Amniotic Fluid
;
Diagnosis
;
Female
;
Fetus
;
Inhalation
;
Lung
;
Tuberculosis
;
Tuberculosis, Pulmonary
4.Relationship between crustacean consumption and serum perfluoroalkyl substances (PFAS): the Korean National Environmental Health Survey (KoNEHS) cycle 4
Sung Woo HUH ; Seong-yong CHO ; Seongyong YOON ; Daehwan KIM ; Hyun Woo PARK ; Jisoo KANG ; Keon Woo KIM
Annals of Occupational and Environmental Medicine 2024;36(1):e12-
Perfluoroalkyl substances (PFASs) are non-aromatic organic compounds, whose hydrogen atoms in the carbon chain substituted by fluorine atoms. PFASs exhibit developmental toxicity, carcinogenicity, hepatotoxicity, reproductive toxicity, immunotoxicity, and hormone toxicity. PFASs are used in the production of disposable food packages, aircraft and automobile devices, cooking utensils, outdoor gear, furniture and carpets, aqueous film forming foam (AFFF), cables and wires, electronics, and semiconductors. This study aimed to determine the association between crustacean consumption and serum PFASs. Adult participants (2,993) aged ≥ 19 years were extracted from the 4th cycle data of the Korean National Environmental Health Survey (KoNEHS). Based on the 50th percentile concentrations of serum PFASs, participants were divided into the low-concentration group (LC) and the high-concentration group (HC). General characteristics, dietary factors, coated product usage, and personal care product usage, an independent t-test and χ2 test were analyzed. The odds ratio (OR) of serum PFAS concentration against crustacean consumption was estimated via logistic regression analysis adjusting for general characteristics, dietary factors, coated product usage, and personal care product usage. The OR for the HC of serum PFASs was higher in individuals with ≥once a week crustacean consumption than in those with < once a week crustacean consumption. Estimated ORs were perfluorohexanesulfonic acid 2.15 (95% confidence interval [CI]: 1.53–3.02), perfluorononanoic acid (PFNA) 1.23 (95% CI: 1.07–1.41), and perfluorodecanoic acid (PFDeA) 1.42 (95% CI: 1.17–1.74) in males, and perfluorooctanoic acid 1.48 (95% CI: 1.19–1.84), perfluorooctanesulfonic acid 1.39 (95% CI: 1.27–1.52), PFNA 1.70 (95% CI: 1.29–2.26) and PFDeA 1.43 (95% CI: 1.32–1.54) in females. This study revealed the association between the crustacean consumption and concentrations of serum PFASs in general Korean population.
5.Relationship between crustacean consumption and serum perfluoroalkyl substances (PFAS): the Korean National Environmental Health Survey (KoNEHS) cycle 4
Sung Woo HUH ; Seong-yong CHO ; Seongyong YOON ; Daehwan KIM ; Hyun Woo PARK ; Jisoo KANG ; Keon Woo KIM
Annals of Occupational and Environmental Medicine 2024;36(1):e12-
Perfluoroalkyl substances (PFASs) are non-aromatic organic compounds, whose hydrogen atoms in the carbon chain substituted by fluorine atoms. PFASs exhibit developmental toxicity, carcinogenicity, hepatotoxicity, reproductive toxicity, immunotoxicity, and hormone toxicity. PFASs are used in the production of disposable food packages, aircraft and automobile devices, cooking utensils, outdoor gear, furniture and carpets, aqueous film forming foam (AFFF), cables and wires, electronics, and semiconductors. This study aimed to determine the association between crustacean consumption and serum PFASs. Adult participants (2,993) aged ≥ 19 years were extracted from the 4th cycle data of the Korean National Environmental Health Survey (KoNEHS). Based on the 50th percentile concentrations of serum PFASs, participants were divided into the low-concentration group (LC) and the high-concentration group (HC). General characteristics, dietary factors, coated product usage, and personal care product usage, an independent t-test and χ2 test were analyzed. The odds ratio (OR) of serum PFAS concentration against crustacean consumption was estimated via logistic regression analysis adjusting for general characteristics, dietary factors, coated product usage, and personal care product usage. The OR for the HC of serum PFASs was higher in individuals with ≥once a week crustacean consumption than in those with < once a week crustacean consumption. Estimated ORs were perfluorohexanesulfonic acid 2.15 (95% confidence interval [CI]: 1.53–3.02), perfluorononanoic acid (PFNA) 1.23 (95% CI: 1.07–1.41), and perfluorodecanoic acid (PFDeA) 1.42 (95% CI: 1.17–1.74) in males, and perfluorooctanoic acid 1.48 (95% CI: 1.19–1.84), perfluorooctanesulfonic acid 1.39 (95% CI: 1.27–1.52), PFNA 1.70 (95% CI: 1.29–2.26) and PFDeA 1.43 (95% CI: 1.32–1.54) in females. This study revealed the association between the crustacean consumption and concentrations of serum PFASs in general Korean population.
6.Relationship between crustacean consumption and serum perfluoroalkyl substances (PFAS): the Korean National Environmental Health Survey (KoNEHS) cycle 4
Sung Woo HUH ; Seong-yong CHO ; Seongyong YOON ; Daehwan KIM ; Hyun Woo PARK ; Jisoo KANG ; Keon Woo KIM
Annals of Occupational and Environmental Medicine 2024;36(1):e12-
Perfluoroalkyl substances (PFASs) are non-aromatic organic compounds, whose hydrogen atoms in the carbon chain substituted by fluorine atoms. PFASs exhibit developmental toxicity, carcinogenicity, hepatotoxicity, reproductive toxicity, immunotoxicity, and hormone toxicity. PFASs are used in the production of disposable food packages, aircraft and automobile devices, cooking utensils, outdoor gear, furniture and carpets, aqueous film forming foam (AFFF), cables and wires, electronics, and semiconductors. This study aimed to determine the association between crustacean consumption and serum PFASs. Adult participants (2,993) aged ≥ 19 years were extracted from the 4th cycle data of the Korean National Environmental Health Survey (KoNEHS). Based on the 50th percentile concentrations of serum PFASs, participants were divided into the low-concentration group (LC) and the high-concentration group (HC). General characteristics, dietary factors, coated product usage, and personal care product usage, an independent t-test and χ2 test were analyzed. The odds ratio (OR) of serum PFAS concentration against crustacean consumption was estimated via logistic regression analysis adjusting for general characteristics, dietary factors, coated product usage, and personal care product usage. The OR for the HC of serum PFASs was higher in individuals with ≥once a week crustacean consumption than in those with < once a week crustacean consumption. Estimated ORs were perfluorohexanesulfonic acid 2.15 (95% confidence interval [CI]: 1.53–3.02), perfluorononanoic acid (PFNA) 1.23 (95% CI: 1.07–1.41), and perfluorodecanoic acid (PFDeA) 1.42 (95% CI: 1.17–1.74) in males, and perfluorooctanoic acid 1.48 (95% CI: 1.19–1.84), perfluorooctanesulfonic acid 1.39 (95% CI: 1.27–1.52), PFNA 1.70 (95% CI: 1.29–2.26) and PFDeA 1.43 (95% CI: 1.32–1.54) in females. This study revealed the association between the crustacean consumption and concentrations of serum PFASs in general Korean population.
7.Safety of Surgical Tracheostomy during Extracorporeal Membrane Oxygenation.
Hye Ju YEO ; Seong Hoon YOON ; Seung Eun LEE ; Doosoo JEON ; Yun Seong KIM ; Woo Hyun CHO ; Dohyung KIM
Korean Journal of Critical Care Medicine 2017;32(2):197-204
BACKGROUND: The risk of bleeding during extracorporeal membrane oxygenation (ECMO) is a potential deterrent in performing tracheostomy at many centers. To evaluate the safety of surgical tracheostomy (ST) in critically ill patients supported by ECMO, we reviewed the clinical correlation between preoperative coagulation status and bleeding complication-related ST during ECMO. METHODS: From April 1, 2012 to March 31, 2016, ST was performed on 38 patients supported by ECMO. We retrospectively reviewed and analyzed the medical records including complications related to ST. RESULTS: Heparin was administered to 23 patients (60.5%) for anticoagulation during ECMO, but 15 patients (39.5%) underwent ECMO without anticoagulation. Of the 23 patients administered anticoagulation therapy, heparin infusion was briefly paused in 13 prior to ST. The median platelet count, international normalized ratio, and activated partial thromboplastin time before ST were 126 ×109/L (range, 46 to 434 ×109/L), 1.2 (range, 1 to 2.3) and 62 seconds (27 to 114.2 seconds), respectively. No peri-procedural clotting complications related to ECMO were observed. Two patients (5.3%) suffering from ST-related major bleeding required surgical hemostasis. Minor bleeding after ST occurred in two cases (5.3%). No significant difference was found according to anticoagulation management (P = 0.723). No fatality was attributable to ST. CONCLUSIONS: The complication rates of ST in the patients supported by ECMO were low. Therefore, ST performed by an experienced operator, and with careful optimization of coagulation status, is a relatively safe procedure; the use of ST with ECMO should thus not be dismissed on account of the potential for bleeding caused by the administration of anticoagulants.
Anticoagulants
;
Critical Illness
;
Extracorporeal Membrane Oxygenation*
;
Hemorrhage
;
Hemostasis, Surgical
;
Heparin
;
Humans
;
International Normalized Ratio
;
Medical Records
;
Partial Thromboplastin Time
;
Platelet Count
;
Retrospective Studies
;
Tracheostomy*
8.An Adult with Symptomatic Isolated Cecocolic Nonrotation.
Seo Jin CHUNG ; Seong Heum PARK ; Seo Gue YOON ; Ghi Goo PARK ; Kyung Woo CHOI
Journal of the Korean Society of Coloproctology 1998;14(3):675-680
On the contrary to congenital anomalies of intestinal rotation in pediatric patients, those in adults are generally nonsymptomatic and of little consequence. Occasionally, however, an adult may have midgut nonrotation and complain of chronic or recurrent abdominal pain. Intestinal nonrotation can be divided into complete or partial failure of rotation and into abnormalities affecting the proximal segment, the distal segment or both. We report herein a 43-year old female patient with symptomatic partial, cecocolic nonrotation.
Abdominal Pain
;
Adult*
;
Female
;
Humans
9.Characterization of a Vibrio parahaemolyticus Phage Isolated from Marine.
Sun Ok YOON ; Seong A JU ; Moon Soo HEO ; Cho Rok JUNG ; Jin Woo JU
Journal of the Korean Society for Microbiology 1999;34(5):423-433
A novel bacteriophage, designated as VPP97, that infects the strains of Vibiro parahaemolyticus (hallophilic, Gram-negative bacterium) isolated most commonly from marine environments, has been discovered, and several of its properties have been determined. The plaques were clear and sized 0.6-1.0 mm in diameter. The virion forms a single band on 70% sucrose gradient and p1.50 CsC1 gradient by sucrose gradient centrifugation and CsCI gradient centrifugation respectively. It has a hexagonal head and a relatively long tail, as shown by electron microscopy. Vibrio alginolyticus, Vibrio fluvialis and Vibrio furnissii were also sensitive to this phage It was almost totally inactivated at 70 degree C and at pH below 5 or over 10. The nucleic acid of VPP97 is composed of DNA. The VPP97 had 9 specific structural proteins sized between 21.5 kDa and 97.4 kDa on SDS-PAGE. When V. parahaemolyticus cultures were treated with either phage VPP97 or one of the several antibiotics for 2 hours, the viable number of V. parahaemolyticus treated with the phage VPP97 is lower than that treated with chloramphenicol, erythromycin or penicillin, but not lower than that treated with tetracycline. Mice that have responded to the phage treatment revealed the lower numbers of V. parahaemolyticus in small intestine and less damage on small intestine compared to the untreated mice. Therefore, we suggest that the phage treatment appears effective to the infection by V. parahaemolyticus.
Animals
;
Anti-Bacterial Agents
;
Bacteriophages*
;
Centrifugation
;
Chloramphenicol
;
DNA
;
Electrophoresis, Polyacrylamide Gel
;
Erythromycin
;
Head
;
Hydrogen-Ion Concentration
;
Intestine, Small
;
Mice
;
Microscopy, Electron
;
Penicillins
;
Sucrose
;
Tail
;
Tetracycline
;
Vibrio alginolyticus
;
Vibrio parahaemolyticus*
;
Vibrio*
;
Virion
10.Impact of Physician Delay on Postoperative Outcome of Patients with Acute Appendicitis.
Byeong Wook CHO ; Seong Heum PARK ; Seo Gue YOON ; Kyong Woo CHOI
Journal of the Korean Society of Coloproctology 1998;14(3):561-568
BACKGROUND: It is controversial whether the delay of surgery for acute appendicitis by physician results in higher morbidity. Our present study explores this problem of physician delay on the postoperative outcome of patients with acute appendicitis. MATERIAL AND METHODS: Among 432 patients admitted for the presumptive diagnosis of acute appendicitis between Jan., 1995 and Dec., 1997, 358 patients with pathologically proven acute appendicits were analyzed. Physician delay from the hospital admission to the surgery was evaluated in relation to the stage of the disease at operation and postoperative outcome. RESULTS: Postoperative complications occurred signifficantly higher in advanced appendicitis group, than in simple appendicitis group. Postoperative oral consumption started significantly later and hospital days are significantly prolonged in those group. Both patient and physician delays significantly affect the stage of the disease. The finding that physician delay correlated with the stage, however, was denied by multivariate analysis. CONCLUSION: On the contrary to the patient delay, physician delay does not affect the stage of the acute appendicitis nor lead to increased incidence of postoperative complication. Physician delay to clarify the diagnosis is a reasonable strategy and it does not affect the outcome adversely.
Appendicitis*
;
Diagnosis
;
Humans
;
Incidence
;
Multivariate Analysis
;
Postoperative Complications