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| 1 | Early treadmill exercise increases macrophage migration inhibitory factor expression after cerebral ischemia/reperfusion显示文摘The neuroprotective function of macrophage migration inhibitory factor(MIF) in ischemic stroke was rarely evaluated.This study aimed to investigate the effects of early treadmill exercise on recovery from ischemic stroke and to determine whether these effects are associated with the expression levels of MIF and brain-derived neurotrophic factor(BDNF) in the ischemic area.A total of 40 male Sprague-Dawley rats were randomly assigned to the ischemia and exercise group [middle cerebral artery occlusion(MCAO)-Ex,n = 10),ischemia and sedentary group(MCAO-St,n = 10),sham-surgery and exercise group(Sham-Ex,n= 10),or sham-surgery and sedentary group(Sham-St,n = 10).The MCAO-Ex and MCAO-St groups were subjected to MCAO for 60 minutes,whereas the Sham-Ex and Sham-St groups were subjected to an identical operation without MCAO.Rats in the MCAO-Ex and Sham-Ex groups then ran on a treadmill for 30 minutes once a day for 5 consecutive days.After reperfusion,the hanging time tested by the wire hang test was longer and the relative fractional anisotropy determined by MRI was higher in the peri-infarct region of the MCAO-Ex group compared with the MCAO-St group.The expression levels of MIF and BDNF in the peri-infarct region were upregulated in the MCAO-Ex group.Increased MIF and BDNF levels were positively correlated with relative fractional anisotropy changes in the peri-infarct region.There was no significant difference in the levels of MIF and BDNF in the peri-infarct region between the Sham-Ex and Sham-St groups.Our study demonstrated that early exercise(initiated 48 hours after the MCAO) could improve motor and neuronal recovery after ischemic stroke.Furthermore,the increased levels of MIF and BDNF in the peri-infarct region(penumbra) may be one of the mechanisms of enhanced neurological function recovery.All experiments were approved by the Institutional Animal Care and Use Committee in Asan Medical Center in South Korea(2016-12-126). | Min Cheol Chang Chae Ri Park Seung Hwa Rhie Woo Hyun Shim Dae Yul Kim | 2019 | Neural Regeneration Research2019，14，7： | 7 |
| 2 | Prevalence of premature ejaculation in young and middle-aged men in Korea: a multicenter intemet-based survey from the Korean Andrological Society显示文摘 | Hyun Jun Park Jong Kwan Park Kwangsung Park Sung Won Lee Sae-Woong Kim Dae Yul Yang DU Geon Moon Kweon-Sik Min Ki-Hak Moon Sang-Kuk Yang Jae Seog Hyun Nam Cheol Park | 2010 | Asian Journal of Andrology2010，12，6： | 5 |
| 3 | Microbiology and risk factors for gram-positive Cocci bacteremia in biliary infections显示文摘Background:The rapid antibiotics treatment targeted to a specific pathogen can improve clinical outcomes of septicemia.We aimed to evaluate the clinical characteristics and outcomes of biliary septicemia caused by cholangitis or cholecystitis according to causative organisms.Methods:We performed a retrospective cohort study in 151 patients diagnosed with cholangitis or cholecystitis with bacterial septicemia from January 2013 to December 2015.All patients showed clinical evidence of biliary tract infection and had blood isolates that demonstrated septicemia.Results:Gram-negative,gram-positive,and both types of bacteria caused 84.1%(127/151),13.2%(20/151),and 2.6%(4/151)episodes of septicemia,respectively.The most common infecting organisms were Escherichia coli among gram-negative bacteria and Enterococcus species(Enterococcus casseliflavus and Enterococcus faecalis)among gram-positive bacteria.There were no differences in mortality,re-admission rate,and need for emergency decompression procedures between the gram-positive and gram-negative septicemia groups.In univariate analysis,previous gastrectomy history was associated with gram-positive bacteremia.Multivariate analysis also showed that previous gastrectomy history was strongly associated with gram-positive septicemia(Odds ratio=5.47,95%CI:1.19–25.23;P=0.029).Conclusions:Previous gastrectomy history was related to biliary septicemia induced by gram-positive organisms.This information would aid the choice of empirical antibiotics. | Ik Hyun Jo Yeon-Ji Kim Woo Chul Chung Jaeyoung Kim Seonhoo Kim Eun Sun Lim Honggeun Ahn Seong Yul Ryu | 2020 | Hepatobiliary & Pancreatic Diseases International2020，19，5： | 4 |
| 4 | Comparison of waterjet performance in tracked vehicles by impeller diameter显示文摘 | KIM MOON-CHAN CHUN HO-HWAN KIM HYUN YUL | 2009 | Ocean Engineering2009，36，： | 1 |
| 5 | Image-sticking characteristic at the fringe-field switching (FFS) mode with gate-shielding structure显示文摘 | Kwi Hyun Kim Hyang Yul Kim Youn Hak Jeong | 2006 | Journal of the SID2006，，2： | 1 |
| 6 | Treatment of melasma by low-fluence 1064 nm Q-switched Nd:YAG laser显示文摘 | Ji Hoon Sim Young Lip Park Jong Suk Lee Sung Yul Lee Won Bok Choi Hyun Jo Kim Jung Hoon Lee | 2014 | Journal of Dermatological Treatment2014，，3： | 1 |
| 7 | Unilateral versus bilateral Y-type stent-in-stent metal stent insertions in inoperable malignant hilar biliary strictures:A multicenter retrospective study显示文摘Background:To date,there is controversy regarding unilateral versus bilateral stent placement in patients with malignant hilar biliary strictures(MHBSs).The aim of this study was to compare the clinical outcomes and complications of unilateral and bilateral(stent-in-stent method)stent placements for these patients.Methods:We conducted a multicenter retrospective analysis of patients with inoperable MHBS who underwent endoscopic self-expandable metal stent(SEMS)placement from January 2009 to December 2019.Two groups classified according to the stent procedure method were compared for demographic,procedural,and postprocedure factors.Survival analysis for patency loss and overall survival was also conducted.Results:A total of 236 subjects were included.A superior technical success rate was found in the unilateral stent group(98.8%vs.82.5%,P<0.001),whereas the clinical success rate was higher in the bilateral group(85.7%vs.70.5%,P=0.028).There was no significant difference with respect to complications or patency loss,and the bilateral group had better overall survival(P<0.01).In the Cox proportional hazard model,MHBSs from lymph node compression were associated with a higher risk of death(HR=9.803,P=0.003).In contrast,bilateral SEMS insertion showed reduced postprocedural mortality(HR=0.316,P=0.001).Conclusions:Y-type stent-in-stent bilateral SEMSs are technically difficult but demonstrated more favorable overall survival for palliative bile drainage of inoperable MHBS patients compared to unilateral insertions. | Ik Hyun Jo Chang-Nyol Paik Dae Bum Kim Jaesin Lee Jong Yul Lee Jae Hyuck Chang Kyu-Hyun Paik Won-Suk Park | 2021 | Hepatobiliary & Pancreatic Diseases International2021，20，6： | 0 |
| 8 | Male metaplastic breast cancer with poor prognosis:A case report显示文摘BACKGROUND Metaplastic breast cancer(MBC)is a rare subtype of breast cancer.They constitute less than 1%of breast cancer cases and are much rarer in males.There are few reports of MBC because of its rarity.MBC,an aggressive type of cancer,is refractory to common treatment modalities of breast cancer and has a poor prognosis.CASE SUMMARY We report a case of MBC in a 78-year-old man.He visited our clinic with a palpable mass on the left breast with no masses in the axillary areas.He had previously undergone robot-assisted laparoscopic radical prostatectomy for prostate cancer,but there was no family history of malignancy.The breast mass was visible on ultrasonography,mammography,and magnetic resonance imaging,and chest computed tomography revealed a lung mass in the posterior basal segment of the right lower lobe.The patient was diagnosed with metaplastic carcinoma on core needle biopsy with lung metastasis.Total mastectomy with sentinel lymph node biopsy and video-assisted segmentectomy of the right lung was performed.However,multiple metastases appeared 3 mo after surgery in the brain,chest,and abdomen,and the patient died 5 mo after the initial diagnosis.CONCLUSION MBC is an aggressive and extremely rare breast cancer type.Further case reports are needed to determine the optimal treatment. | Hyun Yul Kim Seungju Lee Dong-il Kim Chang Shin Jung Jee Yeon Kim Kyung Jin Nam Ki Seok Choo Youn Joo Jung | 2022 | World Journal of Clinical Cases2022，10，15： | 0 |
| 9 | Oncologic efficacy of gonadotropin-releasing hormone agonist in hormone receptor-positive very young breast cancer patients treated with neoadjuvant chemotherapy显示文摘BACKGROUND Breast cancer in young women has been shown to have an aggressive behavior and poor prognosis.AIM To evaluate the outcomes of young hormone receptor(HR)-positive patients with breast cancer treated with neoadjuvant chemotherapy(NAC),and the oncologic efficacy of gonadotropin-releasing hormone(GnRH)agonists.METHODS This retrospective study involved a prospectively enrolled cohort.We included patients diagnosed with invasive breast cancer who were treated with NAC followed by curative surgery at the Samsung Medical Center and Samsung Changwon Hospital between January 2006 and December 2017.Among patients with HR-positive and human epidermal grow factor 2(HER2)-negative breast cancer,we analyzed the characteristics and oncology outcomes between the patients equal to or younger than 35 years and the patients older than 35 years.RESULTS Among 431 patients with NAC and HR-positive/HER2-negative breast cancer,78 were 35 years old or younger,and 353 patients were older than 35 years.The median follow-up was 71.0 months.There was no statistically significant difference in disease free survival(DFS,P=0.565)and overall survival(P=0.820)between the patients equal to or younger than 35 years and the patients older than 35 years.The two groups differed in that the GnRH agonist was used more frequently in the group of patients equal to or younger than 35 years than in the other group(52.4%vs 11.2%,P<0.001).Interestingly,for the DFS according to the GnRH agonist in the group of patients equal to or younger than 35 years,patients treated with the GnRH agonist had better DFS(P=0.037).CONCLUSION Administration of GnRH agonists might improve the DFS rate of HR-positive/HER2-negative breast cancer in the equal to or younger than 35 years group of patients with NAC. | Hee Jun Choi Jun Ho Lee Chang Shin Jung Jai Min Ryu Byung Joo Chae Se Kyung Lee Jong Han Yu Seok Won Kim Seok Jin Nam Jeong Eon Lee Youn Joo Jung Hyun Yul Kim | 2023 | World Journal of Clinical Cases2023，11，27： | 0 |
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