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( Hae Won Yoo ),( Young Seok Kim ),( Sang Gyune Kim ),( Jeongju Yoo ),( Jae Woo Park ),( Yong Seok Lim ),( Gab Jin Cheon ),( Jae Young Jang ),( Young Don Kim ),( Soung Won Jeong ),( Sae Hwan Lee ),( B 대한간학회 2018 춘·추계 학술대회 (KASL) Vol.2018 No.1
Aims: The Baveno VI guidelines proposed that esophagogastroduodendoscopy(EGD) for screening esophageal varices(EV) can be avoided if liver stiffness(LS) measured by transient elastography(TE) is less than 20 kPa and platelet count is greater than 150,000 cells/μL. However while validation of TE is well proven, 2D-SWE has not been sufficiently validated for EV prediction. The aim of this study is to predict the presence of EV by non-invasive tools combined with 2D-SWE and to compare the diagnostic capabilities with TE. Methods: Between January 2015 and October 2017, 258 patients with compensated advanced chronic liver disease(cACLD) who underwent 2D-SWE and EGD consecutively were enrolled. The AUROC was calculated to evaluate the accuracy of the prediction for the presence of EV using 2D-SWE, model combining 2D-SWE and platelet count(PC), liver stiffness to spleen/platelet score (LSPS) score and platelet-spleen ratio (PSR) score. 177 patients who underwent simultaneous TE examination were on the subgroup analysis was done. Results: The mean age was 56.8±10.7 years and most common etiology was chronic hepatitis B (45.0%). 83.1% of patients were in Child class A. Prevalence of all-size varices was 41.1%. 2D-SWE alone has good ability to discriminate varices (AUROCs : 0.750, 95% CI, 0.690 to 0.809). Model combining 2D-SWE with platelet count and LSPS using 2D-SWE has better discriminative ability for varices and AUROCs were 0.793 (95% CI, 0.738 to 0.848) and 0.813 (95% CI, 0.760 to 0.865) respectively. For 177 patients who performed TE and 2D-SWE simultaneously, there was no difference in predictive abilities when other factors such as albumin, bilirubin, ALT, Platelet count, hemoglobin, spleen diameter were adjusted in multivariate analysis. Conclusions: 2D-SWE combined with platelet count and LSPS seemed to be useful to predict EV. In addition, 2D-SWE has similar diagnostic performance with TE for predicting presence of EV.
The Role of Spleen Volume in Predicting Portal Hyper-tension in Patients with Cirrhosis
( Hae Won Yoo ),( Sang Gyune Kim ),( Young Seok Kim ),( Jeongju Yoo ),( Jae Woo Park ),( Yong Seok Lim ),( Jae Myeong Lee ),( Gab Jin Cheon ),( Jae Young Jang ),( Young Don Kim ),( Soung Won Jeong ),( 대한간학회 2018 춘·추계 학술대회 (KASL) Vol.2018 No.1
Aims: It is already well known that the size of the spleen increases as liver cirrhosis aggravates. However, there is few studies for establishing the correlation between portal hypertension and spleen volume (SV). In this study, we aimed to see the relationship between the splenic volume and hepatic venous wedge pressure (HVPG) and to find what determine the portal pressure. Methods: From May 2007 to February 2018, 337 cirrhotic patients who measured SV and HVPG simultaneously were included. SV was measured based on the ellipsoid volume calculation formula by measuring length, height, and width. Other clinical and biochemical factors which may contribute to increase portal pressure were also collected. Results: Mean HVPG was 14.2 ± 5.3 and Child-pugh class A, B, and C patients were 34%, 40%, and 16%, respectively. A significant positive correlation was noted between splenic volume and HVPG levels (r=0.127, P=0.019). Below 16mmHg of HVPG, the stronger correlation was noted between them (r=0.202, P=0.003) but this relation was not observed above 16mmHg of HVPG. We divided HVPG into various stages of portal hypertension(HVPG<5, 5≤HVPG<10, 10≤HVPG<16, HVPG≥16). The average spleen volume of each group tended to increase with increasing HVPG value. Mean splenic volume for each group was 320.74cm3, 464.78 cm3, 501.06 cm3, 525.94 cm3 respectively. But there was no significant difference in the mean spleen volume between the groups., HVPG was correlated with presence of ascites (P=0.038) as well as SV (P=0.043) after adjusted by MELD, Na, albumin, platelet count. Conclusions: The spleen volume tended to increase with increasing HVPG and this association was stronger when HVPG was below 16 mmHg. More studies with larger numbers are needed to predict the portal pressure non-invasively.
A case of hair foreign body in the sole of a pediatric patient
( Hae Jeong Youn ),( Min Seok Hur ),( Hye In Cheon ),( Song Hee Han ),( Byung Gon Choi ),( Min Jung Kim ),( Nam Kyung Roh ),( Soo Young Kim ),( Yang Won Lee ),( Yong Beom Choe ),( Kyu Joong Ahn ) 대한피부과학회 2016 대한피부과학회 학술발표대회집 Vol.68 No.1
Patients occasionally present with a hair strand penetrating into a body part after they fail to remove the vertically or obliquely imbedded short hair. However, a long hair strand invading into the skin in a curved shape, parallel to the epidermis, is much more uncommon. The stratum corneum (SC), the outermost skin layer, is stacked up with corneocytes, which act as a physical barrier. Palms and soles have thicker stratum granulosum and SC. However, infant skin has thinner epidermis, and the SC with smaller corneocytes up to the second year of life may be susceptible to foreign body invasion. We report a case in which a 2-year-old boy presented to us with an unusually shaped long hair that had penetrated into the epidermis of the sole. This case provided an opportunity to consider the skin structure and skin development in an infant, whose skin is more vulnerable to foreign body intrusion.
( Hae Jeong Youn ),( Hye In Cheon ),( Min Seok Hur ),( Byung Gon Choi ),( Song Hee Han ),( Min Jung Kim ),( Soo Young Kim ),( Nam Kyung Roh ),( Yang Won Lee ),( Yong Beom Choe ),( Kyu Joong Ahn ) 대한피부과학회 2016 대한피부과학회 학술발표대회집 Vol.68 No.2
<div style="display:none">fiogf49gjkf0d</div><div style="display:none">fiogf49gjkf0d</div><div style="display:none">fiogf49gjkf0d</div><div style="display:none">fiogf49gjkf0d</div><div style="display:none">fiogf49gjkf0d</div><div style="display:none">fiogf49gjkf0d</div><div style="display:none">fiogf49gjkf0d</div> Background: Dihydrotestosterone (DHT) induces androgenic alopecia by shortening the hair follicle growth phase, resulting in hair loss. We previously demonstrated how changes in the microRNA (miRNA) expression profile influenced DHT-mediated cell death, cell cycle arrest, cell viability, the generation of reactive oxygen species (ROS), and senescence. Protective effects against DHT have not, however, been elucidated at the genome level. Objectives: We wanted to show that epigallocatechin gallate (EGCG), a major component of green tea, protects DHT-induced cell death by regulating the cellular miRNA expression profile. Methods: We used an miRNA microarray to identify miRNA expression levels in human dermal papilla cells DPCs). We investigated whether the miRNA expression influenced the protective effects of EGCG against DHT-induced cell death, growth arrest, intracellular ROS levels, and senescence. Results: EGCG protected against the effects of DHT by altering the miRNA expression profile in human DPCs. In addition, EGCG attenuated DHT-mediated cell death and growth arrest and decreased intracellular ROS levels and senescence. A bioinformatics analysis elucidated the relationship between the altered miRNA expression and EGCG-mediated protective effects against DHT. Conclusion: Overall, our results suggest that EGCG ameliorates the negative effects of DHT by altering the miRNA expression profile in human DPCs.
늑막액에서 Cholesterol 측정의 진단적 의의에 관한 연구
이원돈(Won Don Lee),김옥란(Ok Ran Kim),이재용(Jae Young Lee),성천모(Chun Mo Sung),배혜상(Hae Sang Bae),서승천(Seung Cheon Seo),최병휘(Byung Hue Choi),허성호(Sung Ho Hue) 대한내과학회 1989 대한내과학회지 Vol.36 No.1
N/A The cholesterol of pleural fluids was measured in 30 patients various diseases with pleural effusion to investigate the utility of differential diagnosis of exudates from transudates. Six cases were pleural transudates and 24 cases were pleural exudates as by classified predefined criteria. The results were as follows: 1) Mean protein level in group 1 (transudates) was l.9±0.8 g/dl and 4.8±0.9 g/dl in group 2 (exudates). Mean pleural fluid to serum ratio in group 1 was 0.30±0.11 and 0.80±0.48 in group 2. 2) Mean LDH level was 40X29 IU in group 1 and 325+271 IU in group 2. Mean pleural fluid to serum ratio was 0.20±0.11 in group 1 and 2.01±1.90 in group 2. 3) Mean cholesterol level was 37±14 mg/dl in group 1 and 97±42 mg/dl in group 2. Mean pleural fluid to serum ratio was 0.18±0.06 in group 1 and 0.71±0.32 in group 2. 4) A protein level of 3.0 g/dl, LDH level of 200 IU, cholesterol level of 60 mg/dl and their pleural fluid to serum ratios of 0.5, 0.6 and 0.3 respectively were used as dividing lines separating transudates from exudates, and 0% was misclassified in group 1. Misclassified effusions in group 2 for each single parameter were: protein 0%, protein ratio 4%, LDH 29%, LDH ratio 20%, cholesterol 20%, cholesterol ratio 0%, and Light criteria 4%. We found the use of cholesterol level to be superior to the measurement of LDH level and inferior to protein level. The ratio of pleural fluid to serum cholesterol markedly improved the result. On the basis of the above results, it is suggested that pleural fluid cholesterol is a useful index in differentiating exudative from transudative pleural effusions.