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Byeol Han, Chang-Hun Lee, Tae Young Han, June Hyunkyung Lee, Sook-Ja Son
No abstract text is available yet for this article.
October 12, 2016: American Journal of Dermatopathology
Jun Ho Kim, Kyung Hee Lee, Kyoung-Tae Kim, Hyun Jung Kim, Hyeong Sik Ahn, Yeo Ju Kim, Ha Young Lee, Yong Sun Jeon
OBJECTIVE: To compare the diagnostic accuracy of digital tomosynthesis (DTS) to that of chest radiography for the detection of pulmonary nodules by meta-analysis. METHODS: A systematic literature search was performed to identify relevant original studies from January 1, 1976 to August 31, 2016. The quality of included studies was assessed by quality assessment of diagnostic accuracy studies (QUADAS-2). Per-patient data were used to calculate the sensitivity and specificity and per-lesion data were used to calculate the detection rate...
October 19, 2016: British Journal of Radiology
Kyoung-Sim Jung, Jin-Hwa Jung, Tae-Sung In, Hwi-Young Cho
This study investigated the effects of weight-shifting exercise (WSE) combined with transcutaneous electrical nerve stimulation (TENS), applied to the erector spinae and external oblique (EO) muscles, on muscle activity and trunk control in patients with hemiparetic stroke. Sixty patients with stroke were recruited to this study and randomly distributed into three treatment groups: (1) WSE + TENS, (2) WSE + placebo TENS, and (3) control. All participants underwent 30 sessions of training (30 minutes five times per week for 6 weeks) and received 1 hour of conventional physical therapy five times per week for 6 weeks...
October 17, 2016: Occupational Therapy International
Do Kyun Kim, Won Kyoung Jhang, Ji Yun Ahn, Ji Sook Lee, Yoon Hee Kim, Bongjin Lee, Gi Beom Kim, Jin-Tae Kim, June Huh, June Dong Park, Sung Phil Chung, Sung Oh Hwang
No abstract text is available yet for this article.
July 2016: Clin Exp Emerg Med
Ji Sook Lee, Ji Yun Ahn, Do Kyun Kim, Yoon Hee Kim, Bongjin Lee, Won Kyoung Jhang, Gi Beom Kim, Jin-Tae Kim, June Huh, June Dong Park, Sung Phil Chung, Sung Oh Hwang
No abstract text is available yet for this article.
July 2016: Clin Exp Emerg Med
Sung Oh Hwang, Sung Phil Chung, Keun Jeong Song, Hyun Kim, Tae Ho Rho, Kyu Nam Park, Young-Min Kim, June Dong Park, Ai-Rhan Ellen Kim, Hyuk Jun Yang
No abstract text is available yet for this article.
July 2016: Clin Exp Emerg Med
Ka Eul Kim, Hyun-Jin Tae, Petrashevskaya Natalia, Jae-Chul Lee, Ji Hyeon Ahn, Joon Ha Park, In Hye Kim, Taek Geun Ohk, Chan Woo Park, Jun Hwi Cho, Moo-Ho Won
OBJECTIVE: Combination of β1-adrenergic receptor (AR) blockade and β2-AR activation might be a potential novel therapy for treating heart failure. However, use of β-AR agonists and/or antagonists in the clinical setting is controversial because of the lack of information on cardiac inotropic or chronotropic regulation by AR signaling. METHODS: In this study, we performed hemodynamic evaluation by examining force frequency response (FFR), Frank-Starling relationship, and response to a non-selective β-AR agonist (isoproterenol) in hearts isolated from 6-month-old transgenic (TG) mice overexpressing β1- and β2-ARs (β1- and β2-AR TG mice, respectively)...
September 2016: Clin Exp Emerg Med
Gyeong Bo Kim, Sung Yeon Hwang, Tae Gun Shin, Tae Rim Lee, Won Chul Cha, Min Seob Sim, Ik Joon Jo, Keun Jeong Song, Joong Eui Rhee, Yeon Kwon Jeong
A 59-year-old man presented to the emergency department with a chief complaint of sore throat after swallowing sodium picosulfate/magnesium citrate powder for bowel preparation, without first dissolving it in water. The initial evaluation showed significant mucosal injury involving the oral cavity, pharynx, and epiglottis. Endotracheal intubation was performed for airway protection in the emergency department, because the mucosal swelling resulted in upper airway compromise. After conservative treatment in the intensive care unit, he underwent tracheostomy because stenosis of the supraglottic and subglottic areas was not relieved...
June 2016: Clin Exp Emerg Med
Tae Nyoung Chung, Sun Wook Kim, Je Sung You, Hyun Soo Chung
OBJECTIVE: Tube thoracostomy (TT) is a commonly performed intensive care procedure. Simulator training may be a good alternative method for TT training, compared with conventional methods such as apprenticeship and animal skills laboratory. However, there is insufficient evidence supporting use of a simulator. The aim of this study is to determine whether training with medical simulator is associated with faster TT process, compared to conventional training without simulator. METHODS: This is a simulation study...
March 2016: Clin Exp Emerg Med
Jin Hee Jeong, Jin Hee Lee, Kyuseok Kim, Joong Eui Rhee, Tae Yun Kim, You Hwan Jo, Yu Jin Kim, Jae Hyuk Lee, Changwoo Kang, Soo Hoon Lee, Joonghee Kim, Chan Jong Park, Hyuksool Kwon
OBJECTIVE: Head injury in children is a common problem presenting to emergency departments, and cranial computed tomography scanning is the diagnostic standard for these patients. Several decision rules are used to determine whether computed tomography scans should be used; however, the use of computed tomography scans is often influenced by guardians' preference toward the scans. The objective of this study was to identify changes in guardian preference for minor head injuries after receiving an explanation based on the institutional clinical practice guideline...
December 2015: Clin Exp Emerg Med
Tae Gwan Oh, Won Chul Cha, Ik Joon Jo, Mun Ju Kang, Dong Woo Lee
OBJECTIVE: We aimed to summarize the therapeutic hypothermia (TH) protocols used in emergency departments (EDs) in Korea and to investigate the differences between level 1 and 2 centers. METHODS: The chief residents from 56 EDs were given a structured survey containing questions on the indications for TH, methods for TH induction, maintaining, and finalizing TH treatments. The participants were divided into 2 groups based on their work place (level 1 vs. level 2 centers)...
December 2015: Clin Exp Emerg Med
Sunghwan Kim, Jeongmin Choi, Tae Han Kim, Seong-Ho Kong, Yun-Suhk Suh, Jong Pil Im, Hyuk-Joon Lee, Sang Gyun Kim, Seung-Yong Jeong, Joo Sung Kim, Han-Kwang Yang
PURPOSE: The purpose of this study was to determine the effect of a prior gastrectomy on the difficulty of subsequent colonoscopy, and to identify the surgical factors related to difficult colonoscopies. MATERIALS AND METHODS: Patients with a prior gastrectomy who had undergone a colonoscopy between 2011 and 2014 (n=482) were matched (1:6) to patients with no history of gastrectomy (n=2,892). Cecal insertion time, intubation failure, and bowel clearance score were compared between the gastrectomy and control groups, as was a newly generated comprehensive parameter for a difficult/incomplete colonoscopy (cecal intubation failure, cecal insertion time >12...
September 2016: Journal of Gastric Cancer
Jinhyun Cho, Jeeyun Lee, Jusun Kim, Seung Tae Kim, Sujin Lee, Sun Young Kim, Sang Yun Ha, Cheol-Keun Park, Ho Yeong Lim
BACKGROUND: Hepatocellular carcinoma (HCC) is a leading cause of cancer-related death globally. Mechanistic target of rapamycin (mTOR) is frequently up-regulated in HCC and plays an important role in HCC tumorigenesis. Tumors with loss of tuberous sclerosis complex 2 (TSC2), a negative regulator of mTOR signaling, tend to respond well to mTOR inhibitors. We analyzed TSC2 expression status in Korean patients with HCC and evaluated the correlation between TSC2 loss and response to the mTOR inhibitor, everolimus...
October 2016: Translational Oncology
Young Jin Sa, Dong-Jun Seo, Jinwoo Woo, Jung Tae Lim, Jae Yeong Cheon, Seung Yong Yang, Jae Myeong Lee, Dongwoo Kang, Tae Joo Shin, Hyeon Suk Shin, Hu Young Jeong, Chul Sung Kim, Min Gyu Kim, Tae-Young Kim, Sang Hoon Joo
Iron-nitrogen on carbon (Fe-N/C) catalysts have emerged as promising non-precious metal catalysts (NPMCs) for oxygen reduction reaction (ORR) in energy conversion and storage devices. It has been widely suggested that an active site structure for Fe-N/C catalysts contains Fe-Nx coordination. However, the preparation of high-performance Fe-N/C catalysts mostly involves a high-temperature pyrolysis step, which generates not only catalytically active Fe-Nx sites, but also less active large iron-based particles...
October 18, 2016: Journal of the American Chemical Society
Kyu-Man Han, Daseul Kim, Youngbo Sim, June Kang, Aram Kim, Eunsoo Won, Woo-Suk Tae, Byung-Joo Ham
BACKGROUND: Morphologic changes of the brainstem in major depressive disorder (MDD) have rarely been reported in neuroimaging studies, even though, monoaminergic neurotransmitters are synthesized in several brainstem regions. We aimed to investigate volume changes in each region of the brainstem and their association with antidepressant use or the remission status of MDD. METHODS: A total of 126 patients with MDD and 101 healthy controls underwent T1-weighted structural magnetic resonance imaging...
October 11, 2016: Journal of Affective Disorders
Mijin Kim, Won Gu Kim, Suyeon Park, Hyemi Kwon, MinJi Jeon, Jong Jin Lee, Jin-Sook Ryu, Tae Yong Kim, YoungKee Shong, Won Bae Kim
BACKGROUND: For patients with lung metastases of differentiated thyroid carcinoma (DTC), there is no consensus on the maximal size of metastatic lesions to use when determining the intensity of follow-up and additional therapeutic options. We evaluated the clinical outcomes and survival of patients with metastatic DTC confined to the lung, using the maximal diameter of lung lesions in the initial computed tomography (CT). METHODS: This retrospective cohort study included 112 DTC patients with metastases confined to the lung...
October 17, 2016: Thyroid: Official Journal of the American Thyroid Association
Jem Ma Ahn, Chang Ha Kim, Soon Ho Um, Kyung Mee Kim, Tae Hyung Kim, Sun Young Yim, Hyuk Soon Choi, Eun Sun Kim, Bora Keum, Yeon Seok Seo, Hyung Joon Yim, Yoon Tae Jeen, Hong Sik Lee, Hoon Jai Chun, Chang Duck Kim, Ho Sang Ryu
BACKGROUND AND AIM: In a recent study, microsatellite variations (GCA tandem repeats) in the promoter region of the (kidney-type) glutaminase gene were associated with the development of hepatic encephalopathy (HE) in Spanish patients with cirrhosis. The objective of this study was to validate the relation between microsatellite variations in the glutaminase promoter region and the development of overt HE in Korean patients with liver cirrhosis. METHODS: We performed a prospective cohort study of 154 cirrhotic patients who underwent a glutaminase microsatellite study without previous overt HE history at baseline...
October 17, 2016: Journal of Gastroenterology and Hepatology
Jaeyong Shin, Young Choi, Sang Gyu Lee, Tae Hyun Kim, Eun-Cheol Park
Unnecessary use of high-quality resources in general hospitals hinders treatment of patients with urgent and complicated conditions. Thus, the Korean Government has sought to reduce general hospital visiting of patients with 52 mild diseases, including hypertension. The higher cost sharing for medical expenses and medications from general hospitals were enacted in 2009 and 2011, respectively.We determined whether these regulations were effective through evaluating changing trends in first-visited healthcare organizations and defined the first visiting healthcare organization level (primary clinics, hospital, and general hospital) as an outcome measure...
October 2016: Medicine (Baltimore)
Kang Won Lee, Jung Yong Kim, Hee Seung Chin, Kyoung Yul Seo, Tae-Im Kim, Ji Won Jung
PURPOSE: We aimed to compare the tear meniscus measurements using strip meniscometry (SM) and Keratograph5M (K5M) between 3 subtypes of dry eye disease patient groups, classified according to the presence of meibomian gland dysfunction (MGD), and normal subjects. METHODS: We enrolled 145 eyes from 145 subjects and measured the tear meniscus using SM and K5M, tear film breakup time, ocular surface staining, and ocular surface disease index; the Schirmer test; and examined lid margins and meibomian glands...
October 5, 2016: Cornea
Jinwoo Ma, Jaehun Lee, Sang Sub Han, Kyu Hwan Oh, Ki Tae Nam, Jeong-Yun Sun
Protein-based hydrogels have received attention for biomedical applications and tissue engineering because they are biocompatible and abundant. However, the poor mechanical properties of these hydrogels remain a hurdle for practical use. We have developed a highly stretchable and notch-insensitive hydrogel by integrating casein micelles into polyacrylamide (PAAm) networks. In the casein-PAAm hybrid gels, casein micelles and polyacrylamide chains synergistically enhance the mechanical properties. Casein-PAAm hybrid gels are highly stretchable, stretching to more than 35 times their initial length under uniaxial tension...
October 17, 2016: ACS Applied Materials & Interfaces
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