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Survival benefit of concurrent chemoradiotherapy for advanced ampulla of Vater cancer

World Journal of Clinical Cases 2024年第2期12卷 267-275页

作者： Chae Hwa Kwon Hyung Il Seo Dong Uk Kim Sung Yong Han Suk Kim Nam Kyung Lee seung baek hong Ji Hyun Ahn Young Mok Park Byeong Gwan Noh BioMedical Research Institute Pusan National University HospitalBusan 49241South Korea Department of Surgery Pusan National University School of Medicine and Biomedical Research InstitutePusan National University HospitalBusan 49241South Korea Department of Internal Medicine Pusan National University School of Medicine and Biomedical Research InstitutePusan National University HospitalBusan 49241South Korea Department of Radiology Pusan National University School of Medicine and Biomedical Research InstitutePusan National University HospitalBusan 49241South Korea Department of Pathology and Biomedical Research Institute Pusan National University HospitalBusan 49241South Korea

BACKGROUND Currently,there is no standard adjuvant therapy for patients with resected ampulla of Vater(AoV)*** To evaluate the effectiveness of adjuvant concurrent chemoradiotherapy(CCRT)in patients with advanced AoV cancer who underwent curative *** This single-centered,retrospective study included 29 patients with advanced AoV cancer who underwent pancreaticoduodenectomy between 2006 and *** impact of CCRT on advanced AoV cancer was *** The 1-,3-,and 5-yr recurrence-free survival(RFS)rates for patients with advanced AoV cancer were 82.8%,48.3%,and 40.8%,respectively,and the overall survival(OS)rates were 89.7%,62.1%,and 51.7%,***-cular invasion was found to be a significant risk factor for RFS and OS in patients with advanced AoV cancer in the univariate analysis,whereas T stage and lymph node metastasis were significantly associated with OS in the multivariate *** to the patients who did not receive adjuvant CCRT,those who received adjuvant CCRT did not show statistically significant improvements in the RFS and OS,although they had a significantly lower average age and significantly higher platelet-to-lymphocyte *** Adjuvant CCRT did not improve survival outcomes in patients with advanced AoV *** findings contribute to existing knowledge on the effectiveness of CCRT in this patient population and provide important insights for clinical decision-making.

关键词： Advanced ampulla of Vater cancer Adjuvant concurrent chemoradiotherapy Recurrence Survival Vater cancer

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Complete resection of large-cell neuroendocrine and hepatocellular carcinoma of the liver: A case report

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World Journal of Clinical Cases 2022年第23期10卷 8277-8283页

作者： Byeong Gwan Noh Hyung-Il Seo Young Mok Park Suk Kim seung baek hong So Jeong Lee Division of HBP Surgery and Transplantation Department of SurgeryPusan National University School of MedicineBiomedical Research InstitutePusan National University HospitalBusan 49241South Korea Department of Radiology Pusan National University School of MedicineBiomedical Research InstitutePusan National University HospitalBusan 49241South Korea Department of Pathology Pusan National University School of MedicineBiomedical Research InstitutePusan National University HospitalBusan 49241South Korea

BACKGROUND Combined tumors comprising large-cell neuroendocrine carcinoma and hepatocellular carcinoma have been rarely reported in the *** SUMMARY We report a case of a 73-year-old woman with chronic hepatitis B suspected to have a malignant hepatic mass(segment 3;size,4.5 cm)and lymph node metastasis based on computed tomography and magnetic resonance *** being Child-Pugh class A,esophageal varices were *** underwent left lateral sectionectomy and lymph node *** examination revealed a collision tumor consisting of large-cell neuroendocrine(90%)and hepatocellular(10%)*** combined carcinoma had metastasized to one of the three lymph nodes *** patient recovered without any postoperative complications and was discharged in good condition on postoperative day *** chemotherapy was not *** recurrence occurred during a follow-up period of 24 *** To improve the therapeutic management of combined tumors in the liver,it is necessary to discuss each clinical experience and consider an appropriate method for the preoperative diagnosis and treatment.

关键词： Hepatocellular carcinoma Neuroendocrine carcinoma Chronic hepatitis B Case report

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Comparison of gemcitabine plus nab-paclitaxel and FOLFIRINOX in metastatic pancreatic cancer

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World Journal of Clinical Cases 2020年第17期8卷 3718-3729页

作者： Sung Yong Han Dong Uk Kim Young Mi Seol Suk Kim Nam Kyung Lee seung baek hong Hyung-Il Seo Department of Internal Medicine and Biomedical Research Institute Division of GastroenterologyPusan National University HospitalBusan 49241South Korea Department of Hematology-Oncology Biomedical Research InstitutePusan National University HospitalBusan 49241South Korea Department of Radiology Biomedical Research InstitutePusan National University HospitalBusan 49241South Korea Department of Surgery Biomedical Research InstitutePusan National University HospitalBusan 49241South Korea

BACKGROUND Gemcitabine plus nab-paclitaxel(GA)and modified FOLFIRINOX(FFX)have been widely used as standard first-line treatment in pancreatic ***,it is unclear which regimen is more *** To evaluate a retrospective analysis comparing the efficacy and safety of FFX and GA as first-line chemotherapeutic regimens in patients with metastatic pancreatic *** We retrospectively analyzed and compared outcomes in 101 patients who presented with pancreatic cancer and were treated with either GA(n=54)or FFX(n=47).Moreover,we performed subgroup analysis based on the neutrophil/lymphocyte ratio(NLR)and Eastern Cooperative Oncology Group(ECOG)performance *** There were no significant differences between two groups in baseline characteristics,except for the ECOG performance *** median progression-free survival(PFS)(6.43 mo vs 4.90 mo,P=0.058)was comparable between two groups;however,median overall survival(OS)(10.17 mo vs 6.93 mo,P=0.008)was longer in patients who received GA *** patients with ECOG 0(PFS:8.93 mo vs 5.43 mo,P=0.002;OS:16.10 mo vs 6.97 mo,P=0.000)and those with NLR<3(PFS:8.10 mo vs 6.57 mo,P=0.008;OS:12.87 mo vs 9.93 mo,P=0.002),GA regimen showed higher *** GA regimen may be recommended to the patients with NLR<3 or ECOG 0 status although GA and FFX showed comparable efficacy outcomes in patients with metastatic pancreatic cancer.

关键词： Metastatic pancreatic carcinoma Chemotherapy FOLFIRINOX Nabpaclitaxel plus gemcitabine Predict marker Adverse event

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First-line chemotherapy in very elderly patients with metastatic pancreatic cancer:Gemcitabine monotherapy vs combination chemotherapy

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World Journal of Clinical Cases 2020年第18期8卷 4022-4033页

作者： Sung Yong Han Dong Uk Kim Young Mi Seol Suk Kim Nam Kyung Lee seung baek hong Hyung-Il Seo Department of Internal Medicine and Biomedical Research Institute Division of GastroenterologyPusan National University HospitalBusan 49241South Korea Department of Internal Medicine and Biomedical Research Institute Division of Hematology-OncologyPusan National University HospitalBusan 49241South Korea Department of Radiology Biomedical Research InstitutePusan National University HospitalBusan 49241South Korea Department of Surgery Biomedical Research InstitutePusan National University HospitalBusan 49241South Korea

BACKGROUND Combination chemotherapy(gemcitabine plus nab-paclitaxel and FOLFIRINOX)is widely used as the standard first-line treatment for pancreatic *** the severe toxicities of combination chemotherapy,gemcitabine monotherapy(G mono)could be used as a first-line treatment in very elderly patients or those with a low Eastern Cooperative Oncology Group ***,reports on the efficacy of G mono in patients older than 75 years are *** To evaluate the efficacy of G mono and combination chemotherapy by comparing their clinical outcomes in very elderly patients with pancreatic *** We retrospectively analyzed 104 older patients with pancreatic cancer who underwent chemotherapy with G mono(n=45)or combination therapy(n=59)as a first-line treatment between 2011 and *** patients were histologically diagnosed with ductal *** outcomes were progression-free survival and overall *** also analyzed subgroups according to age[65-74 years(elderly)and≥75 years(very elderly)].Propensity score matching was performed to compare the outcomes between the two chemotherapy *** The baseline characteristics were significantly different between the two chemotherapy groups,especially regarding age,ratio of multiple metastases,tumor burden,and Eastern Cooperative Oncology Group performance *** propensity score matching,the baseline characteristics were not significantly different between the chemotherapy groups in elderly and very elderly *** the elderly patients,the median progression-free survival(62 d vs 206 d,P=0.000)and overall survival(102 d vs 302 d,P=0.000)were longer in the combination chemotherapy ***,in the very elderly patients,the median progression-free survival(147 d and 174 d,respectively,P=0.796)and overall survival(227 d and 211 d,respectively,P=0.739)were comparable between the G mono and combination chemotherapy *** events occurred more frequently in the c

关键词： Combination chemotherapy Gemcitabine Pancreatic cancer Elderly Ductal carcinoma Adverse drug event

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Successful resolution of gastric perforation caused by a severe complication of pancreatic walled-off necrosis:A case report

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世界临床病例杂志 2023年第26期11卷 6298-6303页

作者： Byeong Gwan Noh Myunghee Yoon Young Mok Park Hyung-Il Seo Suk Kim seung baek hong Jae Kyun Park Moon Won Lee Department of Surgery Pusan National University School of MedicineBiomedical Research InstitutePusan National University HospitalBusan 49241South Korea Department of Radiology Pusan National University School of MedicineBiomedical Research InstitutePusan National University HospitalBusan 49241South Korea Department of Internal Medicine Pusan National University School of MedicineBiomedical Research InstitutePusan National University HospitalBusan 49241South Korea

BACKGROUND Pancreatic walled-off necrosis(WON)rarely causes critical gastric necrosis and perforation,which may develop when pancreatic WON squashes against the *** Atlanta 2012 guidelines were introduced for acute pancreatitis and its related clinical ***,there are few reported cases describing the clinical course and resolution of pancreatic *** SUMMARY We report the case of a 45-year-old man who presented to the urgent emergency department with gastric perforation caused by a severe complication of pancreatic WON on computed *** patient underwent an emergency distal pancreatectomy,splenectomy,and gastric wedge *** findings showed re-perforation of the gastric wall at a previously resected ***,endoscopic examination revealed an ulcerative area with a defect in the *** diagnostic endoscopy,endoscopic vacuum-assisted closure was performed,and continuous suction was transferred over all tissues in contact with the sponge *** patient recovered without any further complications and was discharged in good condition at postoperative week *** recurrence occurred during the 6-mo follow-up *** When managing a patient with serious gastric perforation complicated by pancreatic WON,a multidisciplinary treatment approach should be considered.

关键词： Acute necrotizing pancreatitis Endoscopy Vacuum assisted closure Gastric rupture Surgery Case report

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N, P co-doped 3D porous carbon with self-assembled morphological control via template-free method for potassiumion battery anodes

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Rare Metals 2024年第9期43卷 4243-4252页

作者： Jeehoon Yu Dae Kyom Kim hong Geun Oh seung-Keun Park Youngjae Yoo Department of Advanced Materials Engineering Chung-Ang University

The larger ionic radius of potassium ions than that of lithium ions significantly limits the accomplishment of rapid diffusion kinetics in graphite electrodes for potassium-ion batteries （PIBs）,resulting in comparatively poor rate performance and cycle ***,we report a high-rate performance and cycling stability amorphous carbon electrode achieved through nitrogen and phosphorous *** as-prepared N,P co-doped carbon electrodes have distinct 3D structures with large surface areas,hierarchical pore architectures,and increased interlayer spaces resulting from the direct pyrolysis of supramolecular self-assembled aggregates without *** obtained electrode N3P1 exhibits a reversible specific capacity of 258 m Ah·g-1at a current density of 0.1A·g-1and a good long-term cycle performance (96.1%capacity retention after 800 cycles at 0.5 A·g-1).Kinetic investigations show that the N3P1 electrode with the welldeveloped porous structure and large number of surface defects exhibits capacitive-driven behavior at all scan rates,which may be attributed by N and P ***-situ transmission electron microscopy analyses in the fully discharged and charged states demonstrate structural stability and reversibility owing to the expanded interlayer *** suggested synthesis approach is simple and effective for producing heteroatom-doped carbon materials for PIBs and other advanced electrochemical energy storage materials.

关键词： 3D porous structures Amorphous carbons Nitrogen and phosphorous co-doping Potassium-ion batteries

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Factor analysis of recent major heatwaves in East Asia

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Geoscience Frontiers 2024年第1期15卷 374-383页

作者： Arim Yoon Jeongwon Kim Jooyeop Lee Hyun Min Sung Je-Woo hong seung-Ki Min Junhong Lee Jinkyu hong Ecosystem-Atmosphere Process Laboratory Department of Atmospheric SciencesYonsei UniversitySeoul 03722Republic of Korea National Institute of Meteorological Sciences Jeju 63568Republic of Korea Korea Adaptation Center for Climate Korea Environment InstituteSejong 30121Republic of Korea Division of Environmental Science and Engineering Pohang University of Science and TechnologyPohang 37673Republic of Korea Max Planck Institute for Meteorology Hamburg 20146Germany Institute for Convergence Research and Education in Advanced Technology Yonsei UniversitySeoulRepublic of Korea

Heatwaves(HWs)present a major hazard to our society and more extreme heatwaves are expected with future climatic ***,it is important to improve our understanding of the underlying processes that drive HWs,in order to boost our socioeconomic-ecological *** this study,we quantified the influences of key driving factors(large-scale atmospheric circulation,soil moisture,and sea surface temperature)and their synergies on recent heatwaves in East *** conducted a factor separation analysis for three recent HW events by constraining the key factors in the regional Weather Research and Forecasting model with their climatologies or pseudo-observations in different *** study showed distinct spatial variations in the HW-controlling factors in East *** synergistic interaction of large-scale circulation and soil moisture was the most important factors in the 2013 Chinese *** the 2018 HWs in Korea and Japan,the same stagnant large-scale atmospheric circulation played a dominant role in driving the HW *** land-atmosphere coupling via soil moisture,its interaction with circulation,and SST exhibited stronger influences during the Korean HW than the Japanese *** analysis also revealed temporal variations in the factors driving Korean and Chinese HWs due to typhoon passage and other multiple processes over heterogeneous surfaces(i.e.,topographically induced Foehn winds,large-scale warm advection from the warm ocean,spatial differences in soil moisture).Our findings suggest that future heatwave-related studies should consider interactive contributions of key factors,their interplay with surface heterogeneities of complex terrain.

关键词： Heatwave East Asia Large-scale circulation Soil moisture Sea surface temperature Synergistic impacts

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Machine-learned wearable sensors for real-time hand-motion recognition: toward practical applications

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National Science Review 2024年第2期11卷 231-263页

作者： Kyung Rok Pyun Kangkyu Kwon Myung Jin Yoo Kyun Kyu Kim Dohyeon Gong Woon-hong Yeo seungyong Han seung Hwan Ko Department of Mechanical Engineering Seoul National University IEN Center for Human-Centric Interfaces and Engineering Institute for Electronics and NanotechnologyGeorgia Institute of Technology School of Electrical and Computer Engineering Georgia Institute of Technology Department of Chemical Engineering Stanford University Department of Mechanical Engineering Ajou University George W.Woodruff School of Mechanical Engineering Georgia Institute of Technology Institute of Advanced Machinery and Design(SNU-IAMD) Seoul National University

Soft electromechanical sensors have led to a new paradigm of electronic devices for novel motion-based wearable applications in our daily lives. However, the vast amount of random and unidentified signals generated by complex body motions has hindered the precise recognition and practical application of this technology. Recent advancements in artificial-intelligence technology have enabled significant strides in extracting features from massive and intricate data sets, thereby presenting a breakthrough in utilizing wearable sensors for practical applications. Beyond traditional machine-learning techniques for classifying simple gestures, advanced machine-learning algorithms have been developed to handle more complex and nuanced motion-based tasks with restricted training data sets. Machine-learning techniques have improved the ability to perceive, and thus machine-learned wearable soft sensors have enabled accurate and rapid human-gesture recognition, providing real-time feedback to users. This forms a crucial component of future wearable electronics, contributing to a robust human–machine interface. In this review, we provide a comprehensive summary covering materials, structures and machine-learning algorithms for hand-gesture recognition and possible practical applications through machine-learned wearable electromechanical sensors.

关键词： wearable sensor soft electronics artificial intelligence machine learning human–machine interfaces gesture recognition

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Enhanced Li storage of pure crystalline-C60 and TiNb2O7-nanostructure composite for Li-ion battery anodes

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Journal of Energy Chemistry 2024年第10期97卷 478-485页

作者： Injun Jeon Linghong Yin Dingcheng Yang hong Chen Seong Won Go Min seung Kang Hyung Soo Ahn Chae-Ryong Cho Department of Nano Fusion Technology Pusan National University Division of Energy & Environmental Technology Daegu Gyeongbuk Institute of Science & Technology (DGIST) College of Life Sciences Qingdao Agricultural University Department of Electronics Material Engineering Korea Maritime and Ocean University Department of Nanoenergy Engineering Pusan National University

We propose a method for producing composite materials(hTNO@C60) comprising crystalline C60particles and hollow-structu red TiNb2O7（hTNO） nanofibers via facile liquid-liquid interface precipitation followed by low-temperature *** allows the systematic design of crystalline C60as an active material for Li-ion battery *** hTNO@C60composite demonstrates outstanding cyclic stability,retaining a capacity of 465 mA h g-1after 1,000 cycles at 1 A g-1It maintains a capacity of 98 mA h g-1even after16,000 ultralong cycles at 8 A g-1The enhancement in electrochemical properties is attributed to the successful growth and uniform doping of crystalline C60,resulting in improved electrical *** excellent electrochemical stability and properties of these composites make them promising anode materials.

关键词： Anode material Electrochemical performance Fullerene Li-ion battery TiNb2O7 nanofiber

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Ethyl acetate fraction of Sargassum pallidum extract attenuates particulate matter-induced oxidative stress and inflammation in keratinocytes and zebrafish

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Asian Pacific Journal of Tropical Biomedicine 2024年第4期14卷 137-146页

作者： Wook Chul Kim Ji-Won Park Bohyun Yun WonWoo Lee Kyung-Min Choi seung-hong Lee Department of Medical Science Soonchunhyang UniversityAsan 31538Republic of Korea Honam National Institute of Biological Resources 99Gohadoan-gilMokpo-siJeollanam-do 58762Republic of Korea Department of Pharmaceutical Engineering Soonchunhyang UniversityAsan 31538Republic of Korea

Objective:To evaluate the effect of the ethyl acetate fraction derived from Sargassum pallidum extract against particulate matter(PM)-induced oxidative stress and inflammation in HaCaT cells and ***:HaCaT cells and zebrafish were used to evaluate the protective effects of the ethyl acetate fraction of Sargassum pallidum extract against PM-induced oxidative stress and *** production of nitric oxide(NO),intracellular ROS,prostaglandin E_(2)(PGE_(2)),and pro-inflammatory cytokines,and the expression levels of COX-2,iNOS,and NF-κB were evaluated in PM-induced HaCaT ***,the levels of ROS,NO,and lipid peroxidation were assessed in the PM-exposed zebrafish ***:The ethyl acetate fraction of Sargassum pallidum extract significantly decreased the production of NO,intracellular ROS,and PGE_(2) in PM-induced HaCaT *** addition,the fraction markedly suppressed the levels of pro-inflammatory cytokines and inhibited the expression levels of COX-2,iNOS,and NF-κ***,it displayed remarkable protective effects against PM-induced inflammatory response and oxidative stress,represented by the reduction of NO,ROS,and lipid peroxidation in ***:The ethyl acetate fraction of Sargassum pallidum extract exhibits a protective effect against PM-induced oxidative stress and inflammation both in vitro and in vivo and has the potential as a candidate for the development of pharmaceutical and cosmeceutical products.

关键词： Particulate matter Inflammation Oxidative stress Sargassum pallidum Ethyl acetate fraction Zebrafish

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