1.The Prognosis of Glyphosate herbicide intoxicated patients according to their salt types
Jeong Min GYU ; Kyoung Tak KEUM` ; Seongjun AHN ; Yong Hwan KIM ; Jun Ho LEE ; Kwang Won CHO ; Seong Youn HWANG ; Dong Woo LEE
Journal of The Korean Society of Clinical Toxicology 2021;19(2):83-92
		                        		
		                        			 Purpose:
		                        			Glyphosate herbicide (GH) is a widely used herbicide and has been associated with significant mortality as poisoned cases increases. One of the reasons for high toxicity is thought to be toxic effect of its ingredient with glyphosate. This study was designed to determine differences in the clinical course with the salt-type contained in GH. 
		                        		
		                        			Methods:
		                        			This was a retrospective study conducted at a single hospital between January 2013 and December 2017. We enrolled GH-poisoned patients visited the emergency department. According to salt-type, patients were divided into 4 groups: isopropylamine (IPA), ammonium (Am), potassium (Po), and mixed salts (Mi) groups. The demographics, laboratory variables, complications, and their mortality were analyzed to determine clinical differences associated with each salt-type. Addtionally, we subdivided patients into survivor and non-survivor groups for investigating predictive factors for the mortality. 
		                        		
		                        			Results:
		                        			Total of 348 GH-poisoned patients were divided as follows: IPA 248, Am 41, Po 10, and Mi 49 patients. There was no difference in demographic or underlying disease history, but systolic blood pressure (SBP) was low in Po group. The ratio of intentional ingestion was higher in Po and Mi groups. Metabolic acidosis and relatively high lactate level were presented in Po group.As the primary outcome, the mortality rates were as follows: IPA, 26 (10.5%); Am, 2 (4.9%); Po, 1 (10%); and Mi, 1 (2%). There was no statistically significant difference in the mortality and the incidence of complications. Additionally, age, low SBP, low pH, corrected QT (QTc) prolongation, and respiratory failure requiring mechanical ventilation were analyzed as independent predictors for mortality in a regression analysis. 
		                        		
		                        			Conclusion
		                        			There was no statistical difference in their complications and the mortality across the GH-salt groups in this study. 
		                        		
		                        		
		                        		
		                        	
2.Characteristics of pediatric rhabdomyolysis and the associated risk factors for acute kidney injury: a retrospective multicenter study in Korea
Sukdong YOO ; Min Hyun CHO ; Hee Sun BAEK ; Ji Yeon SONG ; Hye Sun LEE ; Eun Mi YANG ; Kee Hwan YOO ; Su Jin KIM ; Jae Il SHIN ; Keum Hwa LEE ; Tae-Sun HA ; Kyung Mi JANG ; Jung Won LEE ; Kee Hyuck KIM ; Heeyeon CHO ; Mee Jeong LEE ; Jin-Soon SUH ; Kyoung Hee HAN ; Hye Sun HYUN ; Il-Soo HA ; Hae Il CHEONG ; Hee Gyung KANG ; Mee Kyung NAMGOONG ; Hye-Kyung CHO ; Jae-Hyuk OH ; Sang Taek LEE ; Kyo Sun KIM ; Joo Hoon LEE ; Young Seo PARK ; Seong Heon KIM
Kidney Research and Clinical Practice 2021;40(4):673-686
		                        		
		                        			 Background:
		                        			The clinical features of pediatric rhabdomyolysis differ from those of the adults with rhabdomyolysis; however, multicenter studies are lacking. This study aimed to investigate the characteristics of pediatric rhabdomyolysis and reveal the risk factors for acute kidney injury (AKI) in such cases. 
		                        		
		                        			Methods:
		                        			This retrospective study analyzed the medical records of children and adolescents diagnosed with rhabdomyolysis at 23 hospitals in South Korea between January 2007 and December 2016. 
		                        		
		                        			Results:
		                        			Among 880 patients, those aged 3 to 5 years old composed the largest subgroup (19.4%), and all age subgroups were predominantly male. The incidence of AKI was 11.3%. Neurological disorders (53%) and infection (44%) were the most common underlying disorder and cause of rhabdomyolysis, respectively. The median age at diagnosis in the AKI subgroup was older than that in the non-AKI subgroup (12.2 years vs. 8.0 years). There were no significant differences in body mass index, myalgia, dark-colored urine, or the number of causal factors between the two AKI-status subgroups. The multivariate logistic regression model indicated that the following factors were independently associated with AKI: multiorgan failure, presence of an underlying disorder, strong positive urine occult blood, increased aspartate aminotransferase and uric acid levels, and reduced calcium levels.  
		                        		
		                        			Conclusions
		                        			Our study revealed characteristic clinical and laboratory features of rhabdomyolysis in a Korean pediatric population and highlighted the risk factors for AKI in these cases. Our findings will contribute to a greater understanding of pediatric rhabdomyolysis and may enable early intervention against rhabdomyolysis-induced AKI. 
		                        		
		                        		
		                        		
		                        	
3.Effects of long-term growth hormone therapy in a girl with Floating-Harbor syndrome
Hyun Woo SON ; Jeong Eun LEE ; Seung Hwan OH ; Changwon KEUM ; Woo Yeong CHUNG
Annals of Pediatric Endocrinology & Metabolism 2020;25(2):126-131
		                        		
		                        			
		                        			 Floating-Harbor syndrome is a rare autosomal dominant disorder that presents with short stature, facial dysmorphism, significantly delayed bone age, skeletal abnormalities, speech and language problems, and intellectual disabilities. Although short stature is one of the main clinical manifestations, use of growth hormone therapy in Floating-Harbor syndrome patients has been limited. Only a few reports have investigated the response to growth hormone therapy with regard to final adult height. We report the case of a 7-year-old girl with FloatingHarbor syndrome and a heterozygous mutation, c.7330C > T (p.Arg2444*), in the SRCAP gene. The patient exhibited dysmorphic facial features, severe intellectual disabilities, obsessive-compulsive and aggressive behaviors, and short stature without growth hormone deficiency. Her height standard deviation score improved after 55 months of growth hormone therapy. 
		                        		
		                        		
		                        		
		                        	
4.Association between beverage intake and obesity in children: The Korea National Health and Nutrition Examination Survey (KNHANES) 2013–2015.
Hyewon WANG ; HaYoung JEONG ; Na Hui KIM ; YoonJung KANG ; Kyungmi HWANG ; HwaJung LEE ; Jin Hwan HONG ; Keum Soon OH
Nutrition Research and Practice 2018;12(4):307-314
		                        		
		                        			
		                        			BACKGROUND/OBJECTIVES: Numerous researches have studied the association between sugar intake and obesity of children in many countries. This study was undertaken to investigate the association between beverage intake and obesity of children by reviewing a database for total sugar contents established in all foods and presented in a nutrition survey by the Korea National Health and Nutrition Examination Survey (KNHANES). SUBJECTS/METHODS: Data of 1,520 children aged 6–11 years in the 6th KNHANES (2013–2015) were analyzed for this study. A database for total sugar intake comprises the total sugar contents of all foods included in the results of a nutrition survey using the 24-hour recall method of 6th KNHANES. Beverages were categorized into carbonated beverages, fruit & vegetable drinks, other drinks, tea, and coffee. RESULTS: The average daily beverage intake of all children was 131.75 g/day, and the average daily total sugar intake in beverages was 13.76 g/day. Carbonated beverages had the highest intake rate (58.85 g/day) and also ranked highest for sugar intake (6.36 g/day). After adjusting for confounding variables, the odds ratio for obesity in children with beverage intake of ≥ 200 mL/day significantly increased by 1.83 times (95% CI, 1.11–3.00) as compared to children with beverage intake of < 200 mL/day. Also, a significant increase was observed in the odds ratio for obesity in total children (2.41 times; 95% CI, 1.35–4.33) and boys (3.15 times; 95% CI, 1.53–6.49) with carbonated beverage intake of ≥ 200 mL/day when compared with children who consumed < 200 mL/day. CONCLUSION: A positive association is observed between beverage intake and obesity in Korean children. In particular, an intake of carbonated beverages has a positive correlation with childhood obesity in boys. This study can therefore be used as scientific evidence for reducing sugar, and for the continuous management and research on beverages.
		                        		
		                        		
		                        		
		                        			Beverages*
		                        			;
		                        		
		                        			Carbohydrates
		                        			;
		                        		
		                        			Carbonated Beverages
		                        			;
		                        		
		                        			Child*
		                        			;
		                        		
		                        			Coffee
		                        			;
		                        		
		                        			Confounding Factors (Epidemiology)
		                        			;
		                        		
		                        			Fruit
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Korea*
		                        			;
		                        		
		                        			Methods
		                        			;
		                        		
		                        			Nutrition Surveys*
		                        			;
		                        		
		                        			Obesity*
		                        			;
		                        		
		                        			Odds Ratio
		                        			;
		                        		
		                        			Pediatric Obesity
		                        			;
		                        		
		                        			Tea
		                        			;
		                        		
		                        			Vegetables
		                        			
		                        		
		                        	
5.Effects of bodily retraction of mandibular incisors versus mandibular setback surgery on pharyngeal airway space: A comparative study.
Byeong Tak KEUM ; Sung Hwan CHOI ; Yoon Jeong CHOI ; Hyoung Seon BAIK ; Kee Joon LEE
The Korean Journal of Orthodontics 2017;47(6):344-352
		                        		
		                        			
		                        			OBJECTIVE: The purpose of this study was to compare the changes induced in the pharyngeal airway space by orthodontic treatment with bodily retraction of the mandibular incisors and mandibular setback surgery without extraction. METHODS: This retrospective study included 63 adult patients (32 men and 31 women). Thirty-three patients who had been treated via four-bicuspid extraction and bodily retraction of the mandibular incisors (incisor retraction, IR group) were compared with 30 patients who had been treated via mandibular setback surgery (MS group) without extraction. Lateral cephalograms were acquired and analyzed before (T1) and after treatment (T2). RESULTS: The superior pharyngeal airway space did not change significantly in either group during treatment. The middle pharyngeal airway space decreased by 1.15 ± 1.17 mm and 1.25 ± 1.35 mm after treatment in the IR and MS groups, respectively, and the decrease was comparable between the two groups. In the MS group, the inferior pharyngeal airway space (E-IPW) decreased by 0.88 ± 1.67 mm after treatment (p < 0.01). The E-IPW was larger in the MS group than in IR group at T1, but it did not differ significantly between the two groups at T2. No significant correlation was observed between changes in the pharyngeal airway space and the skeletal and dental variables in each group. CONCLUSIONS: The middle pharyngeal airway space decreased because of the posterior displacement of the mandibular incisors and/or the mandibular body. The E-IPW decreased only in the MS group because of the posterior displacement of only the mandibular body.
		                        		
		                        		
		                        		
		                        			Adult
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Incisor*
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Retrospective Studies
		                        			
		                        		
		                        	
6.Gastric lesions in patients with Crohn's disease in Korea: a multicenter study.
Hoonsub SO ; Byong Duk YE ; Young Soo PARK ; Jihun KIM ; Joo Sung KIM ; Won MOON ; Kang Moon LEE ; You Sun KIM ; Bora KEUM ; Seong Eun KIM ; Kyeong Ok KIM ; Eun Soo KIM ; Chang Kyun LEE ; Sung Pil HONG ; Jong Pil IM ; Ja Seol KOO ; Chang Hwan CHOI ; Jeong Eun SHIN ; Bo In LEE ; Kyu Chan HUH ; Young Ho KIM ; Hyun Soo KIM ; Young Sook PARK ; Dong Soo HAN
Intestinal Research 2016;14(1):60-68
		                        		
		                        			
		                        			BACKGROUND/AIMS: Gastric pathology and Helicobacter pylori (H. pylori) infection among Asian patients with Crohn's disease (CD) are still unclear. We evaluated gastric histologic features and frequency of H. pylori infection in Korean patients with CD. METHODS: Among 492 patients with CD receiving upper gastrointestinal (GI) endoscopic evaluation in 19 Korean hospitals, we evaluated the endoscopic findings and gastric histopathologic features of 47 patients for our study. Histopathologic classification was performed using gastric biopsy tissues, and H. pylori infection was determined using the rapid urease test and histology. RESULTS: There were 36 men (76.6%), and the median age of patients at the time of upper GI endoscopy was 23.8 years (range, 14.2-60.5). For CD phenotype, ileocolonic disease was observed in 38 patients (80.9%), and non-stricturing, non-penetrating disease in 31 patients (66.0%). Twenty-eight patients (59.6%) complained of upper GI symptoms. Erosive gastritis was the most common gross gastric feature (66.0%). Histopathologically, H. pylori-negative chronic active gastritis (38.3%) was the most frequent finding. H. pylori testing was positive in 11 patients (23.4%), and gastric noncaseating granulomata were detected in 4 patients (8.5%). Gastric noncaseating granuloma showed a statistically significant association with perianal abscess/fistula (P=0.0496). CONCLUSIONS: H. pylori-negative chronic active gastritis appears to be frequent among Korean patients with CD. The frequency of H. pylori infection was comparable with previous studies. An association with perianal complications suggests a prognostic value for gastric noncaseating granuloma in patients with CD.
		                        		
		                        		
		                        		
		                        			Asian Continental Ancestry Group
		                        			;
		                        		
		                        			Biopsy
		                        			;
		                        		
		                        			Classification
		                        			;
		                        		
		                        			Crohn Disease*
		                        			;
		                        		
		                        			Endoscopy
		                        			;
		                        		
		                        			Gastritis
		                        			;
		                        		
		                        			Granuloma
		                        			;
		                        		
		                        			Helicobacter pylori
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Korea*
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Pathology
		                        			;
		                        		
		                        			Phenotype
		                        			;
		                        		
		                        			Stomach
		                        			;
		                        		
		                        			Urease
		                        			
		                        		
		                        	
7.Current Practice of Transradial Coronary Angiography and Intervention: Results from the Korean Transradial Intervention Prospective Registry.
Young Jin YOUN ; Jun Won LEE ; Sung Gyun AHN ; Seung Hwan LEE ; Junghan YOON ; Byung Ryul CHO ; Sang Sig CHEONG ; Hee Yeol KIM ; Jae Hwan LEE ; Jang Ho BAE ; Jin Bae LEE ; Jon SUH ; Keum Soo PARK ; Kyoo Rok HAN ; Myung Ho JEONG ; Seung Woon RHA ; Sung Ho HER ; Yun Hyeong CHO ; Sang Wook KIM
Korean Circulation Journal 2015;45(6):457-468
		                        		
		                        			
		                        			BACKGROUND AND OBJECTIVES: Although increasing evidence has indicated that radial access is a beneficial technique, few studies have focused on Korean subjects. The aim of this study was to evaluate current practice of coronary angiography (CAG) and percutaneous coronary intervention (PCI) using radial access in South Korea. SUBJECTS AND METHODS: A total of 6338 subjects were analyzed from Korean Transradial Intervention prospective registry that was conducted at 20 centers in Korea. After evaluating the initial access, subjects intended for radial access were assessed for their baseline, procedure-related, and complication data. Subjects were categorized into three groups: group of overall subjects (n=5554); group of subjects who underwent PCI (n=1780); and group of subjects who underwent primary percutaneous coronary intervention (PPCI) (n=167). RESULTS: The rate of radial artery as an initial access and the rate of access site crossover was 87.6% and 4.4%, respectively, in overall subjects. Those rates were 82.4% and 8.1%, respectively, in subjects who underwent PCI, and 60.1% and 4.8%, respectively, in subjects who underwent PPCI. For subjects who underwent CAG, a 6-F introducer sheath and a 5-F angiographic catheter was the most commonly used. During PCI, a 6-F introducer sheath (90.6%) and a 6-F guiding catheter were standardly used. CONCLUSION: The large prospective registry allowed us to present the current practice of CAG and PCI using radial access. These data provides evidence to achieve consensus on radial access in CAG and PCI in the Korean population.
		                        		
		                        		
		                        		
		                        			Catheters
		                        			;
		                        		
		                        			Consensus
		                        			;
		                        		
		                        			Coronary Angiography*
		                        			;
		                        		
		                        			Korea
		                        			;
		                        		
		                        			Percutaneous Coronary Intervention
		                        			;
		                        		
		                        			Prospective Studies*
		                        			;
		                        		
		                        			Radial Artery
		                        			;
		                        		
		                        			Registries
		                        			
		                        		
		                        	
8.Preventive Effects of Multi-Lamellar Emulsion on Low Potency Topical Steroid Induced Local Adverse Effect.
Geun Dong SUL ; Hyun Jung PARK ; Jong Hwan BAE ; Keum Duck HONG ; Byeong Deog PARK ; Jaesun CHUN ; Se Kyoo JEONG ; Seung Hun LEE ; Sung Ku AHN ; Hyun Jung KIM
Annals of Dermatology 2013;25(1):5-11
		                        		
		                        			
		                        			BACKGROUND: Topical steroid treatment induces diverse local Wand systemic adverse effects. Several approaches have been tried to reduce the steroid-induced adverse effects. Simultaneous application of physiological lipid mixture is also suggested. OBJECTIVE: Novel vehicles for topical glucocorticoids formulation were evaluated for the efficacy of reducing side-effects and the drug delivery properties of desonide, a low potency topical steroid. METHODS: Transcutaneous permeation and skin residual amount of desonide were measured using Franz diffusion cells. The in vivo anti-inflammatory activity was evaluated using murine model. RESULTS: Topical steroids formulation containing desonide, in either cream or lotion form, were prepared using multi-lamellar emulsion (MLE), and conventional desonide formulations were employed for comparison. MLE formulations did not affect the anti-inflammatory activity of the desonide in phobol ester-induced skin inflammation model, compared with conventional formulations. While the penetrated amounts of desonide were similar for all the tested formulations at 24 hours after application, the increased lag time was observed for the MLE formulations. Interestingly, residual amount of desonide in epidermis was significantly higher in lotion type MLE formulation. Steroid-induced adverse effects, including permeability barrier function impairment, were partially prevented by MLE formulation. CONCLUSION: Topical desonide formulation using MLE as a vehicle showed a better drug delivery with increased epidermal retention. MLE also partially prevented the steroid-induced side effects, such as skin barrier impairment.
		                        		
		                        		
		                        		
		                        			Desonide
		                        			;
		                        		
		                        			Diffusion
		                        			;
		                        		
		                        			Epidermis
		                        			;
		                        		
		                        			Glucocorticoids
		                        			;
		                        		
		                        			Inflammation
		                        			;
		                        		
		                        			Permeability
		                        			;
		                        		
		                        			Retention (Psychology)
		                        			;
		                        		
		                        			Skin
		                        			;
		                        		
		                        			Steroids
		                        			
		                        		
		                        	
9.Elevated Prx1 Provides Resistance to Docetaxel, But Is Not Associated with Predictive Significance in Lung Cancer.
Ki Eun HWANG ; Chul PARK ; Chang Hwan SEOL ; Yu Ri HWANG ; June Seong HWANG ; Jae Wan JUNG ; Keum Ha CHOI ; Eun Taik JEONG ; Hak Ryul KIM
Tuberculosis and Respiratory Diseases 2013;75(2):59-66
		                        		
		                        			
		                        			BACKGROUND: This study was conducted in order to elucidate the effects of docetaxel on the growth of peroxiredoxin 1 (Prx1) knockdown A549 xenograft tumors and further tested the role of Prx1 as a predictor for how a patient would respond to docetaxel treatment. METHODS: Effects of docetaxel on the growth of scrambled- and shPrx1-infected A549 xenograft tumors in nude mice were measured. Moreover, immunohistochemical expression of Prx1 was evaluated in paraffin-embedded tissues from 24 non-small cell lung cancer patients who had received docetaxel-cisplatin regimens as a first-line treatment. RESULTS: Docetaxel treatment in Prx1 knockdown xenograft tumor resulted in reduced tumors growth compared with other groups. Prx1 knockdown increased the production of cleaved caspases-8 and -9 in the control itself compared to scramble tumors. Moreover, docetaxel treatment in Prx1 knockdown tissue led to an increased protein band. Phosphorylated Akt was found in Prx1 scramble tissues. Phosphorylated FOXO1 was detected in the docetaxel treatment group. On the other hand, Prx1 knockdown completely suppressed the Akt-FOXO1 axis. The median progression-free survival (PFS) of patients with low Prx1 expression was 7 months (95% confidence interval [CI], 6.0-7.7), whereas the median progression-free survival of patients with high Prx1 expression was 4 months (95% CI, 4.0-5.0). However, high Prx1 expression was not associated with decreased PFS (p=0.114). CONCLUSION: Our findings suggest that elevated Prx1 provides resistance to docetaxel treatment through suppression of FOXO1-induced apoptosis in A549 xenograft tumors, but may not be related with the predictive significance for response to docetaxel treatment.
		                        		
		                        		
		                        		
		                        			Animals
		                        			;
		                        		
		                        			Apoptosis
		                        			;
		                        		
		                        			Axis, Cervical Vertebra
		                        			;
		                        		
		                        			Carcinoma, Non-Small-Cell Lung
		                        			;
		                        		
		                        			Disease-Free Survival
		                        			;
		                        		
		                        			Hand
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Lung
		                        			;
		                        		
		                        			Lung Neoplasms
		                        			;
		                        		
		                        			Mice
		                        			;
		                        		
		                        			Mice, Nude
		                        			;
		                        		
		                        			Peroxiredoxins
		                        			;
		                        		
		                        			Taxoids
		                        			;
		                        		
		                        			Transplantation, Heterologous
		                        			
		                        		
		                        	
10.Primary Malignant Fibrous Histiocytoma of the Pleura.
Kyung Hwa CHO ; Chul PARK ; Ki Eun HWANG ; Yu Ri HWANG ; Chang Hwan SEOL ; Keum Ha CHOI ; Mi Kyung LEE ; Soon Ho CHOI ; Hak Ryul KIM ; Eun Taik JEONG
Tuberculosis and Respiratory Diseases 2013;74(5):222-225
		                        		
		                        			
		                        			Malignant fibrous histiocytoma, a type of sarcoma, is a malignant neoplasm with uncertain origin that arises in both the soft tissues and the bone. The occurrence of primary malignant fibrous histiocytoma of the pleura is extremely rare. We report a case of a 65-year-old Korean man who is being diagnosed with primary malignant fibrous histiocytoma of the pleura.
		                        		
		                        		
		                        		
		                        			Histiocytoma, Malignant Fibrous
		                        			;
		                        		
		                        			Pleura
		                        			;
		                        		
		                        			Sarcoma
		                        			
		                        		
		                        	
            
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