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Hong, Chang-Ki

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https://www.readbyqxmd.com/read/27911930/the-therapeutic-response-of-gastrointestinal-stromal-tumors-to-imatinib-treatment-assessed-by-intravoxel-incoherent-motion-diffusion-weighted-magnetic-resonance-imaging-with-histopathological-correlation
#1
Feng Pan, Jie Den, Chunfang Zhang, He Wang, Jin Cheng, Weizhen Wu, Nan Hong, Yi Wang
PURPOSE: To exploit the intravoxel incoherent motion (IVIM) diffusion-weighted (DW) MRI when evaluating the therapeutic response of gastrointestinal stromal tumors (GIST) to Imatinib in a mouse model. MATERIALS AND METHODS: Mice with xenografts bearing cells from the GIST-T1 cell line were randomly divided into a treated group receiving Imatinib and a control group. DWMRI scans with 14 b-values (0-1500 s/mm2) were performed before and after treatment (days 1, 3 and 7)...
2016: PloS One
https://www.readbyqxmd.com/read/27896244/adaptive-responses-of-cardiac-function-to-fetal-postural-change-as-gestational-age-increases
#2
Woo Jin Kim, Hye Jin Choi, Sun Young Yang, Boo Hae Koo, Ki Hoon Ahn, Geum Joon Cho, Soon Cheol Hong, Min-Jeong Oh, Hai-Joong Kim
OBJECTIVE: The cardiovascular system maintains homeostasis through a series of adaptive responses to physiological requirements. However, little is known about the adaptation of fetal cardiac function to gravity, according to gestational age. In the present study, we aimed to evaluate the adaptive responses of cardiac function to postural changes, using Tei index measurements. METHODS: Fetal echocardiography and Doppler examination were performed on 114 women with vertex singleton pregnancies at 19 to 40 weeks' gestation...
November 2016: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/27891517/prognostic-significance-of-preoperative-neutrophil-to-lymphocyte-ratio-in-nonmetastatic-renal-cell-carcinoma-a-large-multicenter-cohort-analysis
#3
Seok-Soo Byun, Eu Chang Hwang, Seok Ho Kang, Sung-Hoo Hong, Jinsoo Chung, Tae Gyun Kwon, Hyeon Hoe Kim, Cheol Kwak, Yong-June Kim, Won Ki Lee
Background. The prognostic significance of the neutrophil-to-lymphocyte ratio (NLR) in nonmetastatic renal cell carcinoma (non-mRCC) is controversial, although NLR has been established as a prognostic factor in several cancers. The objective of our study was to assess the prognostic significance of preoperative NLR in non-mRCC, based on a large, multicenter cohort analysis. Methods. Totally, 1,284 non-mRCC patients undergoing surgery were enrolled from six institutions between 2000 and 2014. Recurrence-free survival (RFS) and cancer-specific survival (CSS) were calculated, and the prognostic significance of NLR was evaluated...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27867565/changes-in-cholesterol-level-correlate-with-the-course-of-pulmonary-nontuberculous-mycobacterial-disease
#4
Ji Young Hong, Go Eun Yang, Yousang Ko, Yong Bum Park, Yun Su Sim, Sung Hoon Park, Chang Youl Lee, Ki-Suck Jung, Myung Goo Lee
BACKGROUND: Nutritional assessment is important in patients with pulmonary nontuberculous mycobacterial (PNTM) disease. The therapeutic effect of a cholesterol-rich diet in tuberculosis (TB) patients has been demonstrated, but the role of cholesterol in PNTM disease is unclear. This study evaluated the sequential changes in nutritional markers, including cholesterol, total lymphocyte count and visceral fat volume, according to the PNTM disease course. METHODS: This was an age-, sex- and number of comorbid diseases-matched case-control analysis of 89 patients with PNTM disease and 356 controls, who were participants in a Korean national survey...
October 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/27863451/cerebral-white-matter-abnormalities-in-patients-with-charcot-marie-tooth-disease
#5
Mina Lee, Chang-Hyun Park, Hwa-Kyung Chung, Hyeon Jin Kim, Yunseo Choi, Jeong Hyun Yoo, Young Chul Yoon, Young Bin Hong, Ki Wha Chung, Byung-Ok Choi, Hyang Woon Lee
Here, we report the structural evidence of cerebral white matter abnormalities in Charcot-Marie-Tooth (CMT) patients and the relationship between these abnormalities and clinical disability. Brain diffusion tensor imaging (DTI) was performed in CMT patients with demyelinating (CMT1A/CMT1E), axonal (CMT2A/CMT2E), or intermediate (CMTX1/DI-CMT) peripheral neuropathy. Although all patients had normal brain MRI, all genetic subgroups except CMT1A had abnormal DTI findings indicative of significant cerebral white matter abnormalities: decreased fractional anisotropy and axial diffusivity, and increased radial diffusivity...
November 18, 2016: Annals of Neurology
https://www.readbyqxmd.com/read/27861860/oral-toxicity-of-cold-plasma-treated-edible-films-for-food-coating
#6
Sung Hee Han, Hyung Joo Suh, Ki Bae Hong, Su Yeon Kim, Sea C Min
No prior research has investigated whether the cold plasma treatment (CPT) resulted in the formation of toxic compounds. Therefore, this study carried out the experiment to check the safety of edible films treated with cold plasma by examining their acute and subacute oral toxicity in a rat model. Single-dose acute (5000 mg/kg body weight) and 14-d subacute (1000 mg/kg body weight/day) oral toxicity of cold plasma-treated edible films was assessed for male and female Sprague-Dawley (SD) rats. Rats administered 5000 mg/kg of edible film did not show the signs of acute toxicity or death after 14 d of observation...
November 8, 2016: Journal of Food Science
https://www.readbyqxmd.com/read/27857932/the-neck-and-posterior-fossa-combined-penetrating-injury-a-case-report
#7
Hyun Jin Han, Jun Ho Jung, Chang Ki Hong, Yong Bae Kim
Here we report a case of penetrating neck injury to the posterior fossa that was shown, using high-resolution computed tomography (HRCT) and digital subtraction angiography (DSA), to involve no vascular injury. A 54-year-old man was brought to the emergency department after a penetrating injury to the left side of the posterior neck and occipital area with a knife. He was in an intoxicated state and could not communicate readily. On initial examination, his vital signs were stable and there was no active bleeding from the penetrating site...
October 2016: Korean Journal of Neurotrauma
https://www.readbyqxmd.com/read/27853944/impact-of-control-of-blood-glucose-level-during-treatment-of-sudden-deafness-in-diabetics-relationship-with-prognosis
#8
Sang-Ki Min, Ji-Ho Shin, Mun-Young Chang, Hyun-Jin Min, Kyung-Soo Kim, Sei-Young Lee, Hoon-Shik Yang, Young-Ho Hong, Seog-Kyun Mun
The objective of this study is to investigate the impact of control of blood glucose level during treatment of sudden deafness. A retrospective study was performed involving 197 patients from January, 2011 to September, 2015. All patients were administrated prednisolone (Pharmaprednisolone tab(®), 5 mg/T; KoreaPharma) p.o under the following regimen: 60 mg/day for 4 days, 40 mg/day for 2 days, 30 mg/day for 1 day, 20 mg/day for 1 day, and 10 mg/day for 2 days. During treatment, pure tone audiometry and blood glucose level were investigated for each patient and the results were statistically analyzed...
November 16, 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27847763/preliminary-experience-with-vascular-plugs-for-parent-artery-occlusion-of-the-carotid-or-vertebral-arteries
#9
Woosung Lee, Yong Sam Shin, Kyung Hyun Kim, Yong Bae Kim, Chang-Ki Hong, Joonho Chung
OBJECTIVE: The purpose of this study was to report the authors' preliminary experience using the Amplatzer Vascular Plug (AVP) (St. Jude Medical, Plymouth, MN, USA) for parent artery occlusion of the internal carotid artery (ICA) or vertebral artery (VA). MATERIALS AND METHODS: Between September 2008 and December 2015, we performed 52 therapeutic parent artery occlusions (PAOs) by an endovascular technique. Among them, 10 patients underwent PAO of the carotid or vertebral arteries using AVPs...
September 2016: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/27824924/statin-intensity-and-clinical-outcome-in-patients-with-stable-coronary-artery-disease-and-very-low-ldl-cholesterol
#10
Soo Youn Lee, Seung-Jin Oh, Eung Ju Kim, Chi-Yoon Oum, Sung Hwan Park, Jaewon Oh, Jung-Sun Kim, Byeong-Keuk Kim, Sungha Park, Hyuk-Jae Chang, Geu-Ru Hong, Young-Guk Ko, Seok-Min Kang, Donghoon Choi, Jong-Won Ha, Myeong-Ki Hong, Yangsoo Jang, Namsik Chung, Sang-Hak Lee
BACKGROUND: Although intensive statin therapy is recommended for high risk patients, evidence of its benefit in patients with stable coronary artery disease (CAD) and very low low-density lipoprotein-cholesterol (LDL-C) has been very rare. In this study, we investigated whether higher statin intensity reduces cardiovascular risks in this population. METHODS: In this retrospective study, a total of 5234 patients with stable CAD were screened at three tertiary hospitals in Korea; 449 patients (mean age: 65 years, male: 69%) with LDL-C <80 mg/dL were finally analyzed...
2016: PloS One
https://www.readbyqxmd.com/read/27822931/clinical-outcomes-in-patients-with-deferred-coronary-lesions-according-to-disease-severity-assessed-by-fractional-flow-reserve
#11
Ki Bum Won, Chang Wook Nam, Yun Kyeong Cho, Hyuck Jun Yoon, Hyoung Seob Park, Hyungseop Kim, Seongwook Han, Seung Ho Hur, Yoon Nyun Kim, Sang Hyun Park, Jung Kyu Han, Bon Kwon Koo, Hyo Soo Kim, Joon Hyung Doh, Sung Yun Lee, Hyoung Mo Yang, Hong Seok Lim, Myeong Ho Yoon, Seung Jea Tahk, Kwon Bae Kim
Data on the clinical outcomes in deferred coronary lesions according to functional severity have been limited. This study evaluated the clinical outcomes of deferred lesions according to fractional flow reserve (FFR) grade using Korean FFR registry data. Among 1,294 patients and 1,628 lesions in Korean FFR registry, 665 patients with 781 deferred lesions were included in this study. All participants were consecutively categorized into 4 groups according to FFR; group 1: ≥ 0.96 (n = 56), group 2: 0.86-0.95 (n = 330), group 3: 0...
December 2016: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/27800002/single-stage-operation-for-giant-schwannoma-at-the-craniocervical-junction-with-minimal-laminectomy-a-case-report-and-literature-review
#12
Sun Yoon, Hunho Park, Kyu-Sung Lee, Seoung Woo Park, Chang-Ki Hong
Here we report a single-stage operation we performed on a patient with a large schwannoma that extended from the lower clivus to the cervico-thoracic junction caudally. A number of authors have previously performed multilevel laminectomy to remove giant schwannomas that extend for considerable length. This technique has caused cervical instability such as kyphosis or gooseneck deformity on several occasions. We removed the tumor with a left lateral suboccipital craniectomy with laminectomy only at C1 and without any subsequent surgery-related neurologic deficits...
September 2016: Korean Journal of Spine
https://www.readbyqxmd.com/read/27793536/impact-of-the-penumbral-pattern-on-clinical-outcome-in-patients-with-successful-endovascular-revascularization
#13
Jong-Won Chung, Jun Yup Kim, Hong-Kyun Park, Beom Joon Kim, Moon-Ku Han, Jun Lee, Kang-Ho Choi, Joon-Tae Kim, Cheolkyu Jung, Jae Hyoung Kim, O-Ki Kwon, Chang Wan Oh, Juneyoung Lee, Hee-Joon Bae
BACKGROUND: In patients with acute ischemic stroke, the impact of penumbral patterns on clinical outcomes after endovascular treatment (EVT) remains controversial. We aimed to establish whether penumbral patterns are associated with clinical outcome after successful recanalization with EVT while adjusting for onset to revascularization time. MATERIALS AND METHODS: Using a web-based, multicenter, prospective stroke registry database, we identified patients with acute ischemic stroke who underwent perfusion and diffusion magnetic resonance imaging (MRI) before EVT, had anterior circulation stroke, received EVT within 12 hours of symptom onset, and had successful revascularization confirmed during EVT...
October 25, 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/27771456/lotus-leaf-alkaloid-fraction-can-strongly-inhibit-cyp2d6-isoenzyme-activity
#14
Lin-Hu Ye, Ling-Ti Kong, Ming-Zhu Yan, Fang-Rui Cao, Li-Sha Wang, Yong-Hong Liao, Rui-Le Pan, Qi Chang
ETHNOPHARMACOLOGICAL RELEVANCE: The Chinese herbal medicine He-Ye, the leaves of the lotus (Nelumbo nucifera) plant, is traditionally used in China for the treatment of sunstroke, thirst, diarrhea, and fever. Currently, the leaf is used not only as an herbal tea to reduce lipid level and control body weight, but also as a major ingredient in some lipid-lowering Chinese patented medicines. Our previous study demonstrated that the alkaloid fraction (AF) of the herb has a strong inhibitory effect on CYP2D6 isoenzyme activity in vitro...
October 19, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27760084/effect-of-gua-sha-therapy-on-perimenopausal-syndrome-a-randomized-controlled-trial
#15
Fang Meng, Pei-Bei Duan, Junya Zhu, Qing-Qing Lou, Zhao-Hui Fang, Hong-Li An, Lan-Ying Liu, Yue Hu, Qian Hu
OBJECTIVE: This study aims to evaluate the effectiveness and safety of Gua sha therapy on perimenopausal symptoms, quality of life, and serum female hormones in participants with perimenopausal syndrome. METHODS: A prospective, randomized, controlled clinical trial was conducted at the First Affiliated Hospital of Nanjing University of Chinese Medicine in China. Eighty women with perimenopausal syndrome were recruited and randomized into an intervention group or a control group...
October 10, 2016: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/27754298/lbos-01-05-24-hour-central-blood-pressure-reduction-efficacy-of-calcium-channel-blocker-combination-is-superior-to-diuretics-combination-with-angiotensin-ii-receptor-blocker-especially-in-male-hypertensive-patients
#16
Eun Joo Cho, Hae Young Lee, Ki Chul Sung, Sungha Park, Chang Gyu Park, Dong-Ju Choi, Jong Won Ha, Young Keun Ahn, Jinho Shin, Soon-Jun Hong, Soon Kil Kim, Wook-Jin Chung, Byung Su Yoo, Taek Jong Hong, Ho Joong Youn, Myeong-Chan Cho, Shung Chull Chae, Young Jo Kim, Chong-Jin Kim
BACKGROUND: The aim of this study was to compare 24-hour central blood pressure (24 hr c-BP) reduction efficacy between angiotensin II receptor blocker (ARB) combined with calcium channel blocker and with diuretics. METHODS: We conducted a prospective, randomized, double-blind trial in 220 hypertensive patients [mean age = 59.6 ± 12.3 years, men = 154(70%)]. Patients received losartan 50 mg monotherapy for 4 weeks, followed by additional use of amlodipine 5 mg (L/A group) or hydrochlorothiazide 12...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27740957/reconstruction-for-skull-base-defect-using-fat-containing-perifascial-areolar-tissue
#17
Woo Young Choi, Ki Wook Sung, Young Seok Kim, Jong Won Hong, Tai Suk Roh, Dae Hyun Lew, Jong Hee Chang, Kyu Sung Lee
Skull base reconstruction is a challenging task. The method depends on the anatomical complexity and size of the defect. We obtained tissue by harvesting fat-containing perifascial areolar tissue (PAT) for reconstruction of limited skull base defects and volume augmentation. We demonstrated the effective option for reconstruction of limited skull base defects and volume augmentation. From October 2013 to November 2015, 5 patients underwent operations using fat-containing PAT to fill the defect in skull base and/or perform volume replacement in the forehead...
October 6, 2016: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/27738898/three-year-follow-up-of-blood-pressure-after-treating-hypertensive-patients-with-symptomatic-carotid-artery-stenosis
#18
Chang-Ki Hong, Yu Shik Shim, Yong Cheol Lim, Yong Sam Shin, Hyeonseon Park, Joonho Chung
BACKGROUND: Blood pressure (BP) was reported to decrease significantly after carotid endarterectomy (CEA) or carotid stenting (CAS) up to the 1-year follow-up. We evaluated changes in BP for 3 years after treating hypertensive patients with symptomatic carotid artery stenosis by either CEA or CAS and determined predisposing factors for normotensive BP at the 3-year follow-up. METHODS: A total of 123 hypertensive patients with at least 3 years of clinical and radiographic follow-up after treatment were included in this study and placed in the CEA (n = 65) or CAS group (n = 58)...
October 13, 2016: Acta Neurochirurgica
https://www.readbyqxmd.com/read/27731949/predictors-of-functioning-in-people-suffering-from-first-episode-psychosis-1%C3%A2-year-into-entering-early-intervention-service-in-hong-kong
#19
Catherine Shiu-Yin Chong, Man-Wah Siu, Condy Hoi-Shuen Kwan, Wing-Chung Chang, Edwin Ho-Ming Lee, Sherry Kit-Wa Chan, Christy Lai-Ming Hui, Fiona Yee-Ki Tam, Eric Yu-Hai Chen, William Tak-Lam Lo
AIM: To explore the changes of functioning in people suffering from first-episode psychosis throughout their first year into an early intervention service, and the baseline predictors of their functioning levels at baseline, 6 and 12 months METHOD: Consecutive subjects presenting to an early intervention service were recruited from 1 February 2013 to 31 May 2015. Information on their socio-demographic status was collected. Structured instruments were used to assess their premorbid functioning, duration of untreated psychosis, psychopathology and insight at baseline...
October 12, 2016: Early Intervention in Psychiatry
https://www.readbyqxmd.com/read/27729915/a-systematic-view-of-the-mlo-family-in-rice-suggests-their-novel-roles-in-morphological-development-diurnal-responses-the-light-signaling-pathway-and-various-stress-responses
#20
Van N T Nguyen, Kieu T X Vo, Hyon Park, Jong-Seong Jeon, Ki-Hong Jung
The Mildew resistance Locus O (MLO) family is unique to plants, containing genes that were initially identified as a susceptibility factor to powdery mildew pathogens. However, little is known about the roles and functional diversity of this family in rice, a model crop plant. The rice genome has 12 potential MLO family members. To achieve systematic functional assignments, we performed a phylogenomic analysis by integrating meta-expression data obtained from public sources of microarray data and real-time expression data into a phylogenic tree...
2016: Frontiers in Plant Science
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