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Radiological gastrostomy: A comparative analysis of different image-guided methods
Hong-Tao Hu,Hang Yuan,Chen-Yang Guo,Quan-Jun Yao,Xiang Geng,Hong-Tao Cheng,Jun-Li Ma,Yan Zhao,Li Jiang,Yu-Qing Zhao,Hai-Liang Li 소화기인터벤션의학회 2021 Gastrointestinal Intervention Vol.10 No.2
Background: Radiographic guided percutaneous gastrostomy has become a safe and effective enteral nutrition method for patients who can not eat by mouth. Fluoroscopy, computed tomography (CT) and cone-beam CT have been routinely used clinically. The aim of this study was to compare the advantages and disadvantages of percutaneous gastrostomy using different radiographic guided methods. Methods: We retrospectively analyzed the clinical data of 538 patients undergoing percutaneous gastrostomy in our department. According to the image guidance method used in gastrostomy, the patients were divided into groups A by fluoroscopy guidance, group B by fluoroscopy combined with C-arm CT guidance, and group C with the whole process CT guidance. The gastrostomy success rate, complication rate, procedure time, and patient radiation dose were analyzed in the three groups. Results: Among 538 patients, 534 were successful and the success rates are 94.3%, 99.3%, and 100% in group A, B, and C, respectively (P > 0.05). There were 3 cases occurred postoperative bleeding as serious adverse events and transferred to surgical gastrostomy. The minor complications include local infection, hyperplasia of granulation tissue, tube obstruction or prolapse, and local pain of the ostomy. The minor complication rates were 10.5%, 10.4%, and 7.7% in group A, B, and C, respectively (P > 0.05). The average procedure time was 25.57 ± 5.99 minutes, 29.01 ± 6.63 minutes, and 45.47 ± 8.98 minutes, respectively (χ2 = 87.98, P < 0.001). The average radiation dosage was 27.30 ± 19.27 mGy, 145.07 ± 106.08 mGy, and 2,590.26 ± 1,088.22 mGy, respectively (χ2 = 204.44, P < 0.001). Conclusion: There were no significant differences in the success rates and complication rates of gastrostomy under the three guiding methods. For difficult cases, CT-guided gastrostomy may be a very useful supplemental method.
Radiological gastrostomy: A comparative analysis of different image-guided methods
Hong-Tao Hu,Hang Yuan,Chen-Yang Guo,Quan-Jun Yao,Xiang Geng,Hong-Tao Cheng,Jun-Li Ma,Yan Zhao,Li Jiang,Yu-Qing Zhao,Hai-Liang Li 소화기인터벤션의학회 2021 International journal of gastrointestinal interven Vol.10 No.2
Background: Radiographic guided percutaneous gastrostomy has become a safe and effective enteral nutrition method for patients who can not eat by mouth. Fluoroscopy, computed tomography (CT) and cone-beam CT have been routinely used clinically. The aim of this study was to compare the advantages and disadvantages of percutaneous gastrostomy using different radiographic guided methods. Methods: We retrospectively analyzed the clinical data of 538 patients undergoing percutaneous gastrostomy in our department. According to the image guidance method used in gastrostomy, the patients were divided into groups A by fluoroscopy guidance, group B by fluoroscopy combined with C-arm CT guidance, and group C with the whole process CT guidance. The gastrostomy success rate, complication rate, procedure time, and patient radiation dose were analyzed in the three groups. Results: Among 538 patients, 534 were successful and the success rates are 94.3%, 99.3%, and 100% in group A, B, and C, respectively (P > 0.05). There were 3 cases occurred postoperative bleeding as serious adverse events and transferred to surgical gastrostomy. The minor complications include local infection, hyperplasia of granulation tissue, tube obstruction or prolapse, and local pain of the ostomy. The minor complication rates were 10.5%, 10.4%, and 7.7% in group A, B, and C, respectively (P > 0.05). The average procedure time was 25.57 ± 5.99 minutes, 29.01 ± 6.63 minutes, and 45.47 ± 8.98 minutes, respectively (χ2 = 87.98, P < 0.001). The average radiation dosage was 27.30 ± 19.27 mGy, 145.07 ± 106.08 mGy, and 2,590.26 ± 1,088.22 mGy, respectively (χ2 = 204.44, P < 0.001). Conclusion: There were no significant differences in the success rates and complication rates of gastrostomy under the three guiding methods. For difficult cases, CT-guided gastrostomy may be a very useful supplemental method.
Systemic Analysis on Laparoscope-Assisted Gastrectomy for Patients with Gastric Cancer
Hu, Jun-Hong,Tang, Hong-Na,Ma, Yong-Ping,Wang, Chen-Yu,Yao, Kun-Hou,Zhang, Jun-Jie,Ren, Xue-Qun Asian Pacific Journal of Cancer Prevention 2015 Asian Pacific journal of cancer prevention Vol.16 No.5
Background: Laparoscope-assisted gastrectomy in treating patients with gastric cancers developed with a background of highly invasive traditional surgery and is being increasingly performed in the Asian Pacific area. This study systemically investigated the technique and clinical results for comparison with traditional radical subtotal gastrectomy for gastric cancers. Methods: Clinical studies evaluating the effectiveness and side effects of laparoscope-assisted gastrectomy in treating patients with gastric cancers were identified using a predefined search strategy. Summary rates of effectiveness and side effects of laparoscope-assisted gastrectomy were calculated. Results: Thirteen clinical studies which including 1,412 patients with gastric cancer treated by laparoscope-assisted gastrectomy were considered eligible for inclusion. Systemic analysis showed that, for all patients, the pooled resection rate was 100%. Major adverse effects were anastomotic stenosis, abdominal abscess, abdominal bleeding, postoperative ileus. Treatment related death occurred in 0. 71% (10/1412). Conclusion: This systemic analysis suggests that laparoscope-assisted gastrectomy in treating patients with gastric cancers is associated with good curative rate and acceptable complications.
( Hong Jun Hu ),( Ye Guang Li ),( Chun Tao Yin ),( Ye Xin Ouyang ) 한국미생물 · 생명공학회 2011 Journal of microbiology and biotechnology Vol.21 No.7
A strain of the cyanobacterium Arthrospira was isolated from Lake Chahannaoer in northern China and was characterized according to microscopic morphology, photosynthetic oxygen-evolving activity, growth rate, and nutritional profile. Compared with thermophilic Arthrospira species occurring naturally in tropical and subtropical lakes, this isolate is mesophilic and grows optimally at ~20°C. The total protein, fatty acid, phycocyanin, carotenoid, and chlorophyll a contents were 67.6, 6.1, 4.32, 0.29, and 0.76 grams per 100 grams of dry weight, respectively. The strain is rich in polyunsaturated fatty acids (PUFAs). An essential omega-3 fatty acid, docosahexaenoic acid (DHA), was detected, and γ-linolenic acid (GLA) and DHA accounted for 28.3% of the total fatty acid content. These features of this newly isolated strain make it potentially useful in commercial mass culture in local areas or as a biofuel feedstock. It is also an alternative resource for studying the metabolic PUFA pathways and mechanisms of cold stress tolerance in cyanobacteria.
( Shan Hong Jun ),( Yu Shi Hu ),( Zhang Hong Ka ) 고려대학교 법학연구원 2011 The Asian Business Lawyer Vol.8 No.-
Generally speaking, collision of ships is a typical maritime tort which will lead to enormous property damage, serious personal injury or death as well as marine environmental pollution. In certain circumstances, wreck under water resulting from collisions at sea will also pose threat to the safety of the navigation and marine environment. In order for the prevention of collisions and the regulation of the damages in relation to collisions, a series of statutes and rules have been enacted by Chinese government after the relevant international conventions come into force in China. In addition, the Chinese Supreme Court has promulgated several judicial interpretations in this field. This article is the brief summary and appraisal of the ship collision compensation regime of China. This article covers almost all of the issues relating to a ship collision compensation regime. Specifically, the sources of law, definition of collision given by China Maritime Code, the party liable for the collision, the party entitled to prosecute the claims, the liability rule, the exemptions, the admissible damages, the assessment of the damage, the maritime liens, the limitation of liability for maritime claims, the jurisdiction and the prelitigation arrest of ships, the insurance claim and the litigation, the auction of ship, the application of law where foreign elements involved and the time limit, etc, are the key issues addressed by this article.
전자 메일첨부 편집파일의 안전한 저장과 관리를 위한 분실 방지 시스템 WatchDog 개발
홍준후(Jun Hu Hong),최철재(Chul Jae Choi) 한국전자통신학회 2018 한국전자통신학회 논문지 Vol.13 No.5
많은 사용자가 편집한 파일을 분실하여 큰 고통을 받고 있다. 매우 심각한 시간과 비용의 손실이다. 이런 문제는 전자 메일첨부 파일을 ‘받은메일함’에서 편집하고 곧바로 ‘저장하기’로 컴퓨터를 종료하기 때문에 발생한다. 임시 폴더에 ‘저장하기’ 한 것을 안전한 하드디스크에 저장했다고 착각하기 때문에 발생한다. 본 논문은 전자 메일첨부 파일의 안전한 저장과 폴더 관리를 위한 분실 방지 시스템 WatchDog을 제안한다. 제안한 시스템은 첨부 파일의 ‘열기(O)’와 ‘저장하기’할 때 경고창 팝업을 동작한다. 또한, 안전한 복사 및 이동을 위한 편리한 폴더 관리방안을 프로그램 예시를 통해 실증적으로 보인다. Many users feel a great pain owing to losing edited files. It is very serious loss in time and money. This problem occurs because email attachments are edited in Inbox and the compute immediately shuts down with Save . This is caused by the illusion that the save in a temporary folder is saved to a secure hard disk. Our thesis proposes a loss-prevention system WatchDog for safe storage and folder management of the e-mail attachments. The proposed system operates a warning window pop-up when we ‘Open(O)’ and ‘Save’ the attachment. In addition, convenient folder management plans for safe copying and movement are shown through example programs.
Cytotoxic lignans from Viburnum foetidum
Hong Li,Yuanguo Luo,Yan Ma,Jun Zeng,Xu Zhang,Dong Wang,Chunlin Hu 대한약학회 2013 Archives of Pharmacal Research Vol.36 No.10
Two new lignans, 3,4,40-trihydroxy-30,9-dimethoxy-9,90-epoxylignan (1), 3,40-dihydroxy-30,4, 9-trimethoxy-9,90-epoxylignan (2), together with one known compound,4,40-dihydroxy-3,30,9-trimethoxy-9,90-epoxylignan(3), were isolated from the 95 % EtOH extract of Viburnumfoetidum. The structures of the two new compounds wereelucidated on the basis of 1D, 2D-NMR, and mass spectralanalysis. All the lignans were in vitro evaluated for theircytotoxic activities against four tumor cell lines (A549, SKOV-3, SKMEL-2 and HCT15).
Chemical Components of Dendrobium polyanthum
Hu, Jiang-Miao,Zhao, You-Xing,Miao, Ze-Hong,Zhou, Jun Korean Chemical Society 2009 Bulletin of the Korean Chemical Society Vol.30 No.9
A new tetrahydroanthracene, 3,6,9-trihydroxy-3,4-dihydroanthracen-1(2H)-one (1), six phenolics, moscatilin (2), gigantol (3), batatasin (4), moscatin (5), 9,10-dihydromoscatin (6), 10-dihydrophenanthrene-2,4,7-triol (7), and a sesquiterpenoid, corchoionoside C (8), together with two sterols $\beta$-sitosterol (9) and daucosterol (10), were isolated from the stems of Dendrobium polyanthum. Compounds 1 and 2 were assessed for cytotoxic activity against two human tumor cell lines (A549 and HL-60).
Structure and Properties of Polyimide (BTDA-TDI/MDI co-polyimide) Fibers Obtained by Wet-Spinning
Hong Bing Xiang,Zhong Huang,Li Qi Liu,Lei Chen,Jing Zhu,Zu Ming Hu,Jun Rong Yu 한국고분자학회 2011 Macromolecular Research Vol.19 No.7
BTDA-TDI/MDI (P84, synthesized by the condensation of 2,4-diisocyanato-1-methylbenzene and 1,1' -methylenebis(4-isocyanatobenzene) with 5,5'-carbonylbis(l,3-isobenzofurandione)) co-polyimide fibers were prepared by wet-spinning. The basic spinning conditions were found from the studies of dope viscosity, ternary phase diagrams, coagulation value, and precipitation value. The effect of the coagulation bath composition on the morphology of as-spun fibers was investigated and a theoretical approach was used to understand the coagulation phenomena. Scanning electron microscopy (SEM) showed that the cross-sectional shape of the fiber deviated more from an ellipse shape with the increasement of N-methyl-2-pyrrdidinone (NMP) content. The surface and cross section morphology of the as-spun fibers was also analyzed by the rate of diffusion and phase separation. The as-spun fibers were treated in heating tubes without drawing at different temperatures. The gravimetric analysis spectra showed that the BTDA-TDI/MDI co-polyimide fibers, which had been heat treated at 350 and 400 ℃, possessed better thermal properties than the as-spun fibers, a large weight loss was observed only above 550 ℃. Heat treatment of the fibers resulted in relatively high tensile strength and modulus. The fibers spun in Bath C (70/30, NMP/water, wt/wt)and Bath D (80/20, NMP/water, wt/wt) showed better thermal properties and higher tensile strength.
Hu Huang,Wonjae Lee,Wen Jun Xu,Jing-Yu Jin,Joon Hee Hong,신현재 대한약학회 2012 Archives of Pharmacal Research Vol.35 No.6
A convenient liquid chromatographic method for the separation of α-amino acid esters as benzophenone Schiff base derivatives on coated chiral stationary phases (CSPs) (Chiralcel OD-H, Chiralcel OD, Chiralpak AD-H, Chiralpak AD, and Chiralpak AS) or covalently immobilized CSPs (Chiralpak IA, Chiralpak IB, and Chiralpak IC) derived from polysaccharide derivatives is described. Benzophenone imine derivatives of α-amino acid esters were readily prepared by stirring benzophenone imine and the hydrochloride salts of α-amino acid esters in 2-propanol. The chromatographic separations were conducted at a flow rate 1.0 mL/min and a detection wavelength of 254 nm; 0.5% 2-propanol/hexane (v/v) was used on CSPs. In general, the resolution of Chiralpak IC was superior to those of the other CSPs. In addition, the resolutions of other arylimine derivatives of α-amino acid esters and the effects of different mobile phases on the enantiomeric separation of α-amino acid esters as benzophenone imine derivatives on Chiralpak IC were investigated.