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Hong, Chang-Ki

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https://www.readbyqxmd.com/read/28919126/low-dose-ct-for-the-diagnosis-of-appendicitis-in-adolescents-and-young-adults-locat-a-pragmatic-multicentre-randomised-controlled-non-inferiority-trial
#1
Hyuk Jung Kim, Byeong Geon Jeon, Chong Kun Hong, Kye Won Kwon, Seung Bong Han, Soya Paik, Suk Ki Jang, Young Rock Ha, Young Sik Kim, Min Hee Lee, Boem Ha Yi, Eung Jin Shin, Hae Kyung Lee, Hee Kyung Kim, Ho Jung Kim, Jae Hyung Choi, Young Soon Cho, Min-Jeong Kim, Dong Kyu Kim, Ji-Young Choe, Kyueng-Whan Min, Man Sup Lim, Sang Ook Ha, Sang Woo Lim, Youdong Sohn, Young Hwan Lee, Ji Hoon Park, Bon Seung Gu, Hye Seung Lee, Jae Hyuk Lee, Ji Ye Sim, Joonghee Kim, Kyoung Ho Lee, Kyuseok Kim, Soyeon Ahn, Sung-Bum Kang, Yoon Jin Lee, You Hwan Jo, Young Hoon Kim, Yousun Ko, Seung Joon Choi, Bohyung Song, Byung Ho Goh, Chaesuk Lim, Chang Rae Kim, Cho Rong Seo, Eunbaeck Kim, Gio Han, Jae-Hyug Woo, Jinhyun Kim, Kyoungjin Min, Min-A Lee, Min Ju Jeong, Min Kyoung Lee, Yong Su Lim, Young Sup Shim, Sung Bin Park, Chan Woong Kim, Dong Hoon Lee, Seung Eun Lee, Sung Eun Kim, Yoo Shin Choi, Sung Eun Rha, Eun Sun Jung, Gun Hyung Na, Han Joon Kim, Han Mo Yoo, Hye Kyung Chang, Joon Il Choi, Kyu Nam Park, Michael Yong Park, Moon Hyung Choi, Sang Hoon Oh, Seung Eun Jung, Sohee Lee, Soo Ah Im, Soo Hyun Kim, Soon Nam Oh, Tae Ho Hong, Won-Kyung Kang, Young Joon Lee, Young Hwan Lee, Dong Baek Kang, Hyun Soo Han, Jeong Woo Choi, Ki-Jung Yoon, Yong Hwang, Seong Sook Hong, Eui Sung Hwang, Heajin Chung, Hye Young Jang, Jiyoung Hwang, Jun Bum Park, Kyung Yul Hur, Yoon Mi Jeen, Young Joo Lee, Young Shin Cho, Han Jin Cho, Inyoung Choi, Jong Hak Park, Jooyeong Kim, Suk Keu Yeom, Sung Woo Moon, Young Sik Kim, Mi Sung Kim, Dong Hyuk Shin, Heon-Ju Kwon, Pil Cho Choi, Sang Kuk Han, Ji Young Woo, Gu Hyun Kang, Han Myun Kim, Hyun Young Choi, Ik Yang, Jae Ho Jang, Jeong Won Kim, Sang Nam Yoon, Won Hee Kim, Yong Soo Jang, Mi-Suk Park, In Cheol Park, Jae Gil Lee, Min Joung Kim, Yong Eun Chung, Jongmee Lee, Baek-Hui Kim, Chang Hee Lee, Jung-Youn Kim, Sanghee Kang, Sung-Hyuk Choi, Yang Shin Park, Seong Whi Cho, Chan Woo Park, Gi Bong Chae, Taek Guen Ohk, Yong-Hwan Jeon, Nurhee Hong, Dae Han Wi, Jun Hee Lee, Jung Nam Kwon, Seok Youn Lee, Weon-Cheol Han, Young Cheol Song, Mi Jeong Kim, Jung Hyeok Kwon, Seoung Kyu Beak, Sung Jin Kim, Woo Ik Choi, Yu Na Kang, Cheong-Il Shin, Dong Ho Lee, Gyeong Hoon Kang, Ijin Joo, Jeong Hee Yoon, Ji Won Park, Kyu Joo Park, Sang Do Shin, Seung-Bum Ryoo, Seung-Yong Jeong, Su Joa Ahn, Tae Han Kim, Won Chang, Yoon-Hye Kwon, Sang Soo Shin, Hee Joon Kim, Ho Goon Kim, Yong Soo Cho, Yoo Duk Choi, Bong Soo Kim, Chang Lim Hyun, Guk Myung Choi, In Ho Jeong, Kyeong Won Kang, Seung Hyoung Kim, Woo Jeong Kim, Young Joon Kang, Kwang Pyo Kim
BACKGROUND: CT radiation is arguably carcinogenic. Results from single-centre studies, mostly retrospective, have advocated lowering the CT radiation dose for the diagnosis of appendicitis. However, adoption of low-dose CT has been slow. We aimed to assess the effectiveness of low-dose CT compared with standard-dose CT in the diagnosis of appendicitis in adolescents and young adults. METHODS: We did this pragmatic, multicentre, randomised controlled non-inferiority trial at 20 South Korean teaching hospitals with little experience with low-dose CT...
September 11, 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28915689/different-long-term-oncologic-outcomes-after-radical-surgical-resection-for-neuroendocrine-carcinoma-and-adenocarcinoma-of-the-stomach
#2
Jian-Wei Xie, Jun Lu, Jian-Xian Lin, Chao-Hui Zheng, Ping Li, Jia-Bin Wang, Qi-Yue Chen, Long-Long Cao, Mi Lin, Ru-Hong Tu, Chang-Ming Huang
PURPOSE: To explore differences in long-term outcomes between gastric neuroendocrine carcinoma (GNEC) and gastric adenocarcinoma (GAC). METHODS: One hundred GNEC patients and 3089 GAC patients were enrolled. Differences in long-term outcomes between the groups were analyzed by 1:2 propensity score matching. RESULTS: Statistically significant differences between the groups were noted in terms of gender, American Society of Anesthesiologists score, tumor size, T stage, N stage, TNM stage and surgical approach...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28901422/association-between-endothelin%C3%A2-1-and-fibromyalgia-syndrome
#3
Seong-Su Nah, Hwayoung Lee, Yeongseon Hong, Jiyun Im, Hansol Won, Sung-Hae Chang, Hyung-Ki Kim, Jun-Tack Kwon, Hak-Jae Kim
Fibromyalgia syndrome (FMS) is characterized by widespread chronic musculoskeletal pain, stiffness and pressure hyperalgesia at soft tissue tender points. Patients with FMS may exhibit a tendency towards cold extremities and cold‑induced vasospasm. Endothelin‑1 (EDN1) is a potent vasoconstrictor that is mainly produced by endothelial cells. The present study aimed to determine whether plasma expression levels avvnd single‑nucleotide polymorphism (SNP; rs1800541) of the EDN1 gene were associated with FMS and/or any of its clinical variables...
August 29, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28888448/effect-of-explosion-puffed-coffee-on-locomotor-activity-and-behavioral-patterns-in-drosophila-melanogaster
#4
Bong Soo Ko, So Hyun Ahn, Dong Ouk Noh, Ki-Bae Hong, Sung Hee Han, Hyung Joo Suh
We hypothesized that the administration of explosion-puffed coffee, containing γ-aminobutyric acid (GABA) and 5-hydroxytryptophan (5-HTP), would be associated with a reduction of the caffeine effect on sleep behavior and behavioral patterns, which was investigated in a Drosophila model. The effects of feeding roasted coffee beans (RB), explosion-puffed coffee beans puffed at 0.75MPa and 0.9MPa (PB 7.5 and PB 9.0, respectively), or decaffeinated coffee beans (DeRB) on locomotor activity and behavioral patterns of Drosophila was analyzed...
October 2017: Food Research International
https://www.readbyqxmd.com/read/28886140/male-specific-association-of-the-fcgr2a-his167arg-polymorphism-with-kawasaki-disease
#5
Young-Chang Kwon, Jae-Jung Kim, Sin Weon Yun, Jeong Jin Yu, Kyung Lim Yoon, Kyung-Yil Lee, Hong-Ryang Kil, Gi Beom Kim, Myung-Ki Han, Min Seob Song, Hyoung Doo Lee, Kee-Soo Ha, Sejung Sohn, Ryota Ebata, Hiromichi Hamada, Hiroyuki Suzuki, Kaoru Ito, Yoshihiro Onouchi, Young Mi Hong, Gi Young Jang, Jong-Keuk Lee
Kawasaki disease (KD) is an acute systemic vasculitis that can potentially cause coronary artery aneurysms in some children. KD occurs approximately 1.5 times more frequently in males than in females. To identify sex-specific genetic variants that are involved in KD pathogenesis in children, we performed a sex-stratified genome-wide association study (GWAS), using the Illumina HumanOmni1-Quad BeadChip data (249 cases and 1,000 controls) and a replication study for the 34 sex-specific candidate SNPs in an independent sample set (671 cases and 3,553 controls)...
2017: PloS One
https://www.readbyqxmd.com/read/28884346/quality-of-randomized-controlled-trials-published-in-the-international-urogynecology-journal-2007-2016
#6
Kyu Shik Kim, Jae Hoon Chung, Jung Ki Jo, Jae Heon Kim, Seungjun Kim, Jeoung Man Cho, Hee Ju Cho, Hong Yong Choi, Seung Wook Lee
INTRODUCTION AND HYPOTHESIS: Randomized controlled trials (RCTs) provide the best quality clinical evidence. The aim of this study was to assess the quality of RCTs published by the International Urogynecology Journal (IUJ) in 2007-2016. METHODS: RCTs in original articles were extracted from PubMed and IUJ homepage. Change in RCT quality over time was assessed with Jadad and van Tulder scales and Cochrane Collaboration's risk of bias tool (CCRBT). Jadad scores of 3-5 or van Tulder scores of >5 indicated high-quality RCTs...
September 7, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/28883900/corrigendum-to-paricalcitol-pretreatment-attenuates-renal-ischemia-reperfusion-injury-via-prostaglandin-e2-receptor-ep4-pathway
#7
Yu Ah Hong, Keum Jin Yang, So Young Jung, Ki Cheol Park, Hyunsu Choi, Jeong Min Oh, Sang Ju Lee, Yoon Kyung Chang, Cheol WheePark, Chul Woo Yang, Suk Young Kim, Hyeon Seok Hwang
[This corrects the article DOI: 10.1155/2017/5031926.].
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28880226/quantitative-analysis-extraction-optimization-and-biological-evaluation-of-cudrania-tricuspidata-leaf-and-fruit-extracts
#8
Seung-Hui Song, Sung Hwan Ki, Dae-Hun Park, Hong-Seop Moon, Chang-Dai Lee, In-Soo Yoon, Seung-Sik Cho
Cudrania tricuspidata Bureau (Moraceae) shows numerous pharmacological effects and has been used in traditional herbal remedies for inflammation, gastritis, tumors, and liver diseases. However, no validated analytical method for the standardization and optimization of the biological properties of C. tricuspidata preparations has been reported. We developed and validated a reverse-phase high-performance liquid chromatography (HPLC) method for the separation and quantification of active markers. Ethanolic extracts of C...
September 7, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28879040/comparison-of-effects-between-calcium-channel-blocker-and-diuretics-in-combination-with-angiotensin-ii-receptor-blocker-on-24-h-central-blood-pressure-and-vascular-hemodynamic-parameters-in-hypertensive-patients-study-design-for-a-multicenter-double-blinded
#9
Gyu Chul Oh, Hae-Young Lee, Wook Jin Chung, Ho-Joong Youn, Eun-Joo Cho, Ki-Chul Sung, Shung Chull Chae, Byung-Su Yoo, Chang Gyu Park, Soon Jun Hong, Young Kwon Kim, Taek-Jong Hong, Dong-Ju Choi, Min Su Hyun, Jong Won Ha, Young Jo Kim, Youngkeun Ahn, Myeong Chan Cho, Soon-Gil Kim, Jinho Shin, Sungha Park, Il-Suk Sohn, Chong-Jin Kim
BACKGROUND: Hypertension is a risk factor for coronary heart disease and stroke, and is one of the leading causes of death. Although over a billion people are affected worldwide, only half of them receive adequate treatment. Current guidelines on antihypertensive treatment recommend combination therapy for patients not responding to monotherapy, but as the number of pills increase, patient compliance tends to decrease. As a result, fixed-dose combination drugs with different antihypertensive agents have been developed and widely used in recent years...
2017: Clinical Hypertension
https://www.readbyqxmd.com/read/28861637/impact-of-repeat-her2-testing-after-initial-equivocal-her2-fish-results-using-2013-asco-cap-guidelines
#10
Fang-Ping Xu, Kun Wang, Jie Xu, Jie Chen, Yi-Fang Zhang, Hong-Mei Wu, Ming-Hui Zhang, Xiao-Xu Long, Xin-Lan Luo, Ke-Ping Zhang, Dan-Yi Lin, Yan-Hui Liu
PURPOSE: The updated 2013 American Society of Clinical Oncology/College of American Pathologists guideline recommendations for human epidermal growth factor receptor 2 (HER2) testing have made some major changes in HER2 fluorescence in situ hybridization (FISH) interpretation criteria with additional FISH equivocal cases. Repeat HER2 testing is recommended after initial HER2 FISH equivocal results; however, little is known about its impact on final HER2 status. The aim of this study is to investigate whether reflex test clarifies HER2 status, and to characterize clinicopathological features of the newly defined HER2 equivocal group...
August 31, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28860900/portal-vein-stenting-for-delayed-jejunal-varix-bleeding-associated-with-portal-venous-occlusion-after-hepatobiliary-and-pancreatic-surgery
#11
Dongho Hyun, Kwang Bo Park, Sung Ki Cho, Hong Suk Park, Sung Wook Shin, Sung Wook Choo, Young Soo Do, In Wook Choo, Dong Wook Choi
OBJECTIVE: The study aimed to describe portal stenting for postoperative portal occlusion with delayed (≥ 3 months) variceal bleeding in the afferent jejunal loop. MATERIALS AND METHODS: Eleven consecutive patients (age range, 2-79 years; eight men and three women) who underwent portal stenting between April 2009 and December 2015 were included in the study. Preoperative medical history and the postoperative clinical course were reviewed. Characteristics of portal occlusion and details of procedures were also investigated...
September 2017: Korean Journal of Radiology: Official Journal of the Korean Radiological Society
https://www.readbyqxmd.com/read/28860784/effect-of-additive-calcium-administration-on-fgf23-levels-in-patients-with-mild-chronic-kidney-disease-treated-with-calcitriol-a-randomized-open-labeled-clinical-trial
#12
Nayoung Han, Su Hyun Hong, Yon Su Kim, Dong Ki Kim, In-Wha Kim, Eunhee Ji, Jung Mi Oh
BACKGROUND: The purpose of the present study was to determine the effect of additional calcium carbonate treatment on fibroblast growth factor 23 (FGF23) levels in patients treated with calcitriol. METHODS: In this randomized, open-labeled, and parallel-group study, a total of 30 patients with early chronic kidney disease (CKD) and vitamin D deficiency were randomly assigned to two groups and received interventions for 8 weeks: 1) a combination of calcium carbonate and calcitriol group; and 2) calcitriol only group...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28860579/stable-multi-gev-electron-accelerator-driven-by-waveform-controlled-pw-laser-pulses
#13
Hyung Taek Kim, V B Pathak, Ki Hong Pae, A Lifschitz, F Sylla, Jung Hun Shin, C Hojbota, Seong Ku Lee, Jae Hee Sung, Hwang Woon Lee, E Guillaume, C Thaury, Kazuhisa Nakajima, J Vieira, L O Silva, V Malka, Chang Hee Nam
The achievable energy and the stability of accelerated electron beams have been the most critical issues in laser wakefield acceleration. As laser propagation, plasma wave formation and electron acceleration are highly nonlinear processes, the laser wakefield acceleration (LWFA) is extremely sensitive to initial experimental conditions. We propose a simple and elegant waveform control method for the LWFA process to enhance the performance of a laser electron accelerator by applying a fully optical and programmable technique to control the chirp of PW laser pulses...
August 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28854890/chemoradiotherapy-versus-surgery-followed-by-postoperative-radiotherapy-in-tonsil-cancer-korean-radiation-oncology-group-krog-study
#14
Sanghyuk Song, Hong-Gyun Wu, Chang Geol Lee, Ki Chang Keum, Mi Sun Kim, Yong Chan Ahn, Dongryul Oh, Hyo Jung Park, Sang-Wook Lee, Geumju Park, Sung Ho Moon, Kwan Ho Cho, Yeon-Sil Kim, Yongkyun Won, Young-Taek Oh, Won-Taek Kim, Jae-Uk Jeong
BACKGROUND: Treatment of tonsil cancer, a subset of oropahryngeal cancer, varies between surgery and radiotherapy. Well-designed studies in tonsil cancer have been rare and it is still controversial which treatment is optimal. This study aimed to assess the outcome and failure patterns in tonsil cancer patients treated with either approaches. METHODS: We retrospectively reviewed medical records of 586 patients with tonsil cancer, treated between 1998 and 2010 at 16 hospitals in Korea...
August 30, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28834084/does-robot-assisted-radical-prostatectomy-benefit-prostate-cancer-patients-with-bone-oligometastases
#15
Won Sik Jang, Myung Soo Kim, Won Sik Jeong, Ki Don Chang, Kang Su Cho, Won Sik Ham, Koon Ho Rha, Sung Joon Hong, Young Deuk Choi
OBJECTIVE: To investigate perioperative and oncologic outcomes of robot-assisted radical prostatectomy (RARP) in oligometastatic prostate cancer (PCa). PATIENTS AND METHODS: We retrospectively reviewed the records of 79 oligometastatic PCa patients treated with RARP or ADT between 2005 and 2015 at our institution. Of these 79 patients, 38 were treated with RARP and 41 were treated with ADT without local therapy. Oligometastatic disease was defined as the presence of five or fewer hot spots detected by preoperative bone scan...
August 21, 2017: BJU International
https://www.readbyqxmd.com/read/28827263/effect-of-national-implementation-of-utstein-recommendation-from-the-global-resuscitation-alliance-on-ten-steps-to-improve-outcomes-from-out-of-hospital-cardiac-arrest-a-ten-year-observational-study-in-korea
#16
Young Taek Kim, Sang Do Shin, Sung Ok Hong, Ki Ok Ahn, Young Sun Ro, Kyoung Jun Song, Ki Jeong Hong
OBJECTIVES: The Utstein ten-step implementation strategy (UTIS) proposed by the Global Resuscitation Alliance, a bundle of community cardiopulmonary resuscitation (CPR) programs to improve outcomes after out-of-hospital cardiac arrests (OHCAs), has been developed. However, it is not documented whether UTIS programs are associated with better outcomes or not. The study aimed to test the association between the UTIS programme and better outcomes after OHCA. METHODS: The study was a before- and after-intervention study...
August 21, 2017: BMJ Open
https://www.readbyqxmd.com/read/28815781/external-jugular-veno-accompanying-artery-adipofascial-flap-a-novel-and-convenient-flap-for-head-and-neck-reconstruction
#17
Seong Oh Park, Kyung Chan Ahn, Ki Yong Hong, Hak Chang, Nobuaki Imanishi
BACKGROUND: The veno-accompanying artery adipofascial (VAF) flap is nourished by accompanying vessels near large superficial veins. We examined whether the VAF flap can be applied to the external jugular vein. METHODS: Based on anatomic and angiographic studies, we performed reconstructive surgeries using external jugular veno-accompanying artery adipofascial (EJ-VAF) flaps. A retrospective chart review was performed for all patients who underwent this surgery. RESULTS: The presence of arteries accompanying the external jugular vein was confirmed...
August 16, 2017: Head & Neck
https://www.readbyqxmd.com/read/28812319/poorly-differentiated-chordoma-with-loss-of-smarcb1-ini1-expression-in-pediatric-patients-a-report-of-two-cases-and-review-of-the-literature
#18
Yoon Jin Cha, Chang-Ki Hong, Dong-Seok Kim, Seung-Koo Lee, Hyeon Jin Park, Se Hoon Kim
Identification of loss of SMARCB1/INI1 expression in poorly differentiated (PD) chordoma in pediatric patients suggests that PD chordoma is an entity molecularly distinct from conventional chordoma or atypical teratoid/rhabdoid tumor, which is also characterized by loss of SMARCB1/INI1 expression by inactivating mutation of the SMARCB1/INI gene. So far, around 20 cases of pediatric PD chordoma with loss of SMARCB1/INI1 expression have been reported. Here, we report two cases of pediatric PD chordoma with loss of SMARCB1/INI1 expression, which is very rare among the pediatric chordoma types...
August 15, 2017: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/28810721/de-novo-low-dose-sirolimus-versus-mycophenolate-mofetil-in-combination-with-extended-release-tacrolimus-in-kidney-transplant-recipients-a-multicentre-open-label-randomized-controlled-non-inferiority-trial
#19
Kyu Ha Huh, Jae Geun Lee, Jongwon Ha, Chang-Kwon Oh, Man Ki Ju, Chan-Duck Kim, Hong Rae Cho, Cheol Woong Jung, Beom Jin Lim, Yu Seun Kim
Background: Most of the previous studies reported that tacrolimus (TAC) with sirolimus (SRL) was associated with worse post-transplant outcomes in kidney transplantation, compared with TAC with mycophenolate mofetil (MMF). These might be attributable to high-dose SRL. However, outcomes using low-dose SRL with TAC for kidney transplantation are uncertain. The aim of this study was to assess the efficacy and safety of low-dose SRL with extended-release tacrolimus (ER-TAC) versus MMF with ER-TAC...
August 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28771517/ckap2-cytoskeleton-associated-protein2-is-a-new-prognostic-marker-in-her2-negative-luminal-type-breast-cancer
#20
Sung Hoon Sim, Chang-Dae Bae, Youngmi Kwon, Hai-Li Hwang, Shiv Poojan, Hye-In Hong, Kyungtae Kim, Seo-Hee Kang, Han-Seong Kim, Tae-Hyun Um, In Hae Park, Keun Seok Lee, So-Youn Jung, Seeyoun Lee, Han-Sung Kang, Eun Sook Lee, Mi-Kyung Kim, Kyeong-Man Hong, Jungsil Ro
BACKGROUND: Recently, we reported cytoskeleton-associated protein2 (CKAP2) as a possible new prognostic breast cancer marker. However, it has not yet been applied in clinic. Therefore, clinical significance of CKAP2 was evaluated in comparison with that of Ki-67 in a cohort of breast cancer patients, and the expression difference was analyzed in cell cycle-arrested cancer and fibroblast cells. METHODS: A total of 579 early breast cancer patients who underwent surgery at the National Cancer Center Hospital in Korea between 2001 and 2005 were accrued...
2017: PloS One
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