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Breast cancer awareness in reproductive women in the low-and middle-income countries:a scoping review

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Frontiers of Nursing 2024年第2期11卷 139-151页

作者： Made Satya Nugraha Gautama Saranya Pimolkatekul nguyen ngoc Nhat Thanh Department of Nursing Faculty of MedicineUniversitas Pendidikan GaneshaBali 81116Indonesia School of Nursing College of NursingTaipei Medical UniversityTaipeiTaiwan 110China Global Health and Development Program College of Public HealthTaipei Medical UniversityTaipeiTaiwan 110China

Objective:This study aimed to assess breast cancer(BC)awareness among reproductive women in low-and middle-income countries(LMICs),identify influencing factors,and propose feasible interventions or ***:We followed a 5-step process using a modified version of Arksey and O’Malley framework methodology.A comprehensive search was conducted on the Embase,PubMed,and CINAHL electronic databases for literature published within 10 years(from 2012 to 2022).Results:Thirty-three papers published between 2012 and 2020,spanning 18 countries,were *** these,45.6%described a good level of knowledge,while 24.2%reported that women at reproductive ages had good *** influencing factors were identified in 3 categories:socio-demographic(family history,personal history,marital status,age,religion,income status,living place,and occupation),personal(self-efficacy,education,and perceived level),and external(advertisements promoting awareness).Educational programs were recommended in most(>72%)of the included ***:While most studies reported high levels of knowledge and awareness,some found low prevalence among certain *** affecting knowledge and awareness were classified into socio-demographic,personal,and external categories,with socio-demographic factors such as age,education,income,and marital status being the most frequently *** studies recommended implementing educational programs,health prevention strategies,and social interventions to increase BC knowledge and awareness.

关键词： awareness breast cancer low-and middle-income countries reproductive women scoping review

Porosity Estimation from High Resolution CT SCAN Images of Rock Samples by Using Housfield Unit

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Open Journal of Geology 2018年第10期8卷 1019-1026页

作者： nguyen Lam Quoc Cuong nguyen Hong Minh Hoang Manh Cuong Phan ngoc Quoc Ngo Hoang Van Anh nguyen Van hieu Analysis Laboratory Center-Vietnam Petroleum Institute Ho Chi Minh City Vietnam

Computer Automated Tomography has been shown to be a valuable tool in production research because it provides a non-destructive method to identify and evaluate the internal structural characteristics of reservoir rock. In CT scan, Hounsfield Unit (HU) is proportional to the degree of X-ray attenuation by the tissue. The aim of the present study was to introduce the method to estimate porosity which is one of physical parameters of reservoir rock though HU data. In this study, an Image J software was used to extract Hounsfield Unit data and calibrate by standard material’s density. This method provides the ability of using CT Scanner in advanced reservoir characterization and flow test experiments.

关键词： CT Scan Hounsfield Unit Porosity

Relative contribution of dynamic and thermodynamic components on Southeast Asia future precipitation changes from different multi-GCM ensemble members

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Advances in Climate Change Research 2024年第5期15卷 869-882页

作者： Sheau Tieh NGAI Srivatsan V.RAGHAVAN Jing Xiang CHUNG Bhenjamin Jordan ONA Lucian Taft KIMBRELL ngoc Son nguyen Thanh-Hung nguyen Sen-Feng LIU Tropical Marine Science Institute National University of SingaporeSingapore 119227Singapore Faculty of Science and Marine Environment Universiti Malaysia TerengganuKuala NerusTerengganu 2030Malaysia Department of Geography Faculty of Arts and Social ScienceNational University of SingaporeSingapore 119227Singapore Donghai Laboratory ZhoushanZhejiang 316021China

To address the gap in understanding precipitation changes in Southeast Asia and to enhance the reliability of climate projections for the region through moisture budget analysis,this study examines the differences among six multi-model ensembles of CMIP6 simulated precipi-tation in term of moisture budget *** investigates the relative contributions of thermodynamic and dynamic components to seasonal precipitation changes over Southeast Asia under the highest emission scenario,*** comparison between ensembles indicates that Good performance model ensembles slightly outperform the combination of all resolution and all category ensembles in reducing the *** is no strong evidence showing that good category ensembles outperform the combination of all model ensemble groups in simulating the spatial pattern of historical seasonal *** the perspective of moisture budget,regions receiving seasonal high rainfall intensity are mainly influenced by the moisture convergence during the monsoon seasons:northeast monsoon(December-January-February)and southwest monsoon(June-July-August).By the late 21st century(2081-2100),all model ensemble projections show an increase in December-January-February precipitation over the northern Southeast Asia and decreased June-July-August rainfall in the southern *** moisture budget analysis explained that the seasonal mean rainfall change in Southeast Asia is largely influenced by evaporation and followed by moisture flux *** changes in moisture flux convergence are contributed by both the dynamic and thermodynamic *** inter-model uncertainty was found in the precipitation dynamic component compared to the thermodynamic component suggesting the existence of large discrepancy between the various approaches used by GCMs in describing atmospheric *** study highlights that the Good model ensemble with middle to low resolution is able to narrow the inter-model uncertai

关键词： Moisture budget Precipitation Future change CMIP6 Southeast Asia

Revision of Outcomes and Complications Following Open Reduction, and Zigzag Osteotomy Combined with Fibular Allograft for Developmental Dysplasia of the Hip in Children

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Open Journal of Orthopedics 2016年第7期6卷 184-200页

作者： nguyen ngoc Hung Vietnam National Hospital for Pediatrics Hanoi Vietnam

Background: Reports of the efficacy of open reduction and Zigzag Osteotomy combined Fibular Allograft (ZOFA) for developmental dysplasia of the hip. The purposes of this study were to evaluate the long-term outcomes and complications after surgery. Methods: We performed a retrospective match-controlled study in which 158 patients had 181 hips with developmental dysplasia of the hip. Radiographs were found of acetabular index, height of dislocation, Tönnis grade, abduction angle in the spica cast, and Severin grade. At final follow-up, deformity of femoral head or neck or acetabulum was evaluated according to the Severin. Avascular necrosis was rated according to Kalamchi. Clinical evaluation was made according to modified McKay criteria. Results: Between 2009 and 2012, 133 girls (84.2%) and 25 boys (15.8%) with developmental dysplasia of the hip underwent open reduction and ZOFA;135 (85.4%) were unilateral, and 23 (14.6%) were bilateral. Patients were divided into 2 groups: group 1 included 54 patients (62 hips) aged 12 months - ≤18 months and group 2 included 84 patients (119 hips), aged >18 months - ≤36 months. According to Tönnis system: type 3 appeared in 127 hips (70.2%), and Type 4 in 54 hip (29.8%). The anterior approach was used to expose inner table of the ilium and ZOFA in all cases. Acetabular index was improved;preoperation was 42.95°, and latest follow-up 17.26°. The Kirschner Wires (KW) were not used to fix the fibular allograft at the pelvic osteotomy site. All of the fibular allografts were completely incorporated in mean time of 14 weeks (range, 12 weeks - 17 weeks) post-surgery. Clinical evaluation according to modified McKay criteria: satisfactory result (excellent and good) was achieved in 141 hips (77.9%). Avascular Necrosis (AVN) happened in 61 hips (33.7%), redislocation in 18 hips (9.9%), coxa vara in 4 hips (2.2%), trendelenburg gait in 4 hips (2.2%), and supracondylar femoral fractures in 2 hips (1.1%). Conclusions: On the basis o

关键词： DDH Redislocation Revision Surgery Hip Dysplasia Bone Allograft Salter’s Osteotomy Avascular Necrosis

Redislocation Following Zigzag Osteotomy Combined with Fibular Allograt for Dislocation of the Hip in Children

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Open Journal of Orthopedics 2016年第4期6卷 86-97页

作者： nguyen ngoc Hung National Hospital for Pediatrics Ha Noi Viet Nam

We have reviewed 17 patients (18 hips) who required repeated open reduction for recurrent or persistent dislocation after a previous attempt at zigzag osteotomy combined with fibular allowgraft for developmental dysplasia of the hip (DDH). The purposes of this study were to examine predictors of redislocation and to evaluate the long-term outcomes after revision surgery. The mean age at primary open reduction was 24 months (13 to 36). The median time to the recognition of failure was 4.6 months. The second reduction was performed at a mean age of 26.3 months (17 to 42) and the mean age at final follow-up was 79.7 months (58 to 105) and the mean time follow-up was 42.4 months (37 to 76). We treated the hips with a new open reduction through an anteromedial approach. A constricted anteromedial capsule was always found as the main factor;all had an intact anteromedial capsule, and there was an inverted transverse ligament in five cases and a very tight psoas tendon in another four cases, eversion of the limbus in six cases, densing anterior capsule in five cases. We perform with the condition that all hips were cleared of scar tissue;five hips had adductor tenotomy;four hips required release of the psoas tendon, five eversion of the limbus. Release of the transverse ligament was required in five cases each. All hips with Kirschner wire through the femoral head into the acetabulum. Three hips required femoral shortening (average of 1.5 cm);a derotation varus osteotomy was performed in two hips from ten and twelve weeks after repeated open reduction. Postoperative results according to modified McKay criteria for clinical: excellent: 3 of 18 hips (16.7%);good: 8 of 18 hips (44.4%);fair: 6 of 18 hips (33.3%);and poor: 1 of 18 hips (5.6%). We suggest that technical failure is usually the cause for redislocation with all that has an intact anteromedial capsule. There was an inverted transverse ligament, tight psoas tendon, eversion of the limbus, and densing anterior capsule

关键词： DDH Redislocation Anteromedial Approach Salter Innominate Osteotomy Femoral Shortening

Polygonatum kingianum rhizome extract alleviates collagen antibody-induced arthritis by modulating proinflammatory cytokine production in mice

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Asian Pacific Journal of Tropical Biomedicine 2020年第11期10卷 490-495页

作者： Huyen Do Thi Thanh Phuong Ngo Thi Hien nguyen Thi Thu Nga nguyen Thi Hung Le ngoc Thao DoThi Ha Le Minh Graduate University of Science and Technology Vietnam Academy of Science and Technology18 Hoang Quoc VietNghia DoCau GiayHanoiVietnam Institute of Natural Products Chemistry Vietnam Academy of Science and Technology18 Hoang Quoc VietNghia DoCau GiayHanoiVietnam Hanoi Open University101 nguyen Hien str Hai Ba Trung Dist.HanoiVietnam Laboratory of Bioassay Institute of BiotechnologyVietnam Academy of Science and Technology18 Hoang Quoc VietNghia DoCau GiayHanoiVietnam Chemistry Lab Project Center for Research and Technology transferVietnam Academy of Science and Technology18 Hoang Quoc VietNghia DoCau GiayHanoiVietnam

Objective: To evaluate the anti-arthritic effects of Polygonatum kingianum rhizome extract using both in vitro and in vivo ***: Lipopolysaccharide-induced RAW 264.7 macrophages were treated with an ethanol extract of Polygonatum kingianum rhizomes at different concentrations to determine nitric oxide and prostaglandin E2(PGE2) production. For in vivo study, Polygonatum kingianum ethanol extract was further investigated for its antiinflammatory effect in a mouse model with collagen antibodyinduced arthritis. Phytochemical study of Polygonatum kingianum ethanol extract was also ***: Saponins(142 mg/g total yield) was the main component in the Polygonatum kingianum ethanol extract. 5α,8α-ergosterol peroxide,(E,E)-9-oxooctadeca-10,12-dienoic acid and 3-(2?-hydroxy-4?-methoxy-benzyl)-5,7-dihydroxy-8-methyl-chroman-4-one were isolated from the extract. Polygonatum kingianum ethanol extract exhibited potential anti-inflammatory effects by inhibiting nitric oxide and PGE2 production in RAW 264.7 cells in a dosedependent manner. The level of arthritis in mice with collagen antibody-induced arthritis was significantly reduced(P<0.01) after treatment with Polygonatum kingianum ethanol extract, particularly at a dose of 1 000 mg/kg body weight. Besides, the extract demonstrated the regulatory effects on serum tumor necrosis factoralpha, interleukin-6, and interleukin-10 in treated ***: Polygonatum kingianum ethanol extract has beneficial effects on inflammatory cytokine regulation and PGE2 inhibition in an experimental mouse model with collagen antibody-induced arthritis. The phytochemical screening reveals that the saponin, as the main component, and sterols(daucosterol and 5α,8α-ergosterol peroxide) from Polygonatum kingianum ethanol extract may contribute to its promising in vitro and in vivo anti-inflammatory activities.

关键词： inflammatory cytokine PGE2

Assessment of the physicochemical properties and biological activity of Vietnamese single-bulb black garlic

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Food Bioscience 2022年第5期49卷 436-445页

作者： Cao Thi Hue Luc Quang Tan Hoang Van Hung Quynh Thi ngoc Le Thanh Hoa nguyen nguyen Thi Lan Huong nguyen Manh Ha Dinh Kha Trinh Department of Biotechnology Thuyloi University175 Tay SonDong DaHanoiViet Nam Thai nguyen University-Lao Cai Campus Group 13Binh Minh WardLao Cai CityLao Cai ProvinceViet Nam Hanoi University of Industry 298 Cau DienBac Tu LiemHanoiViet Nam

This study assessed the quality and biological activity of Vietnamese single-bulb black garlic(SBG)by investigating the effect of different temperatures(60,65,70,and 75℃)on physicochemical properties during the heat treatment *** optimal treating conditions accounted for the highest concentration of antioxidants were 70℃for 42 *** SBG.70 had a higher content of reducing sugar,protein,flavonoid,and polyphenol in comparison with the white garlic and the *** activity of single-bulb white garlic and SBG were measured via DPPH,phosphomolybdenum,and H2O2 radicals,as well as a reduction *** antimicrobial activity was assessed by the multi-concentration dilution method;the sample treated at 70℃displayed the strongest activity against four microbial strains with MIC values for ***,***,***,and *** of 64,128,128,and 64μg/mL,***,only two SBG samples aged at 70℃and 75℃were bacteriostatic to *** with MIC values of 32 and 64μg/mL,respectively.

关键词： Single-bulb black garlic Different temperature Physicochemical Antioxidant content Antioxidant activity Antimicrobial activity

Truly optimal semi-active damping to control free vibration of a single degree of freedom system

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Theoretical & Applied Mechanics Letters 2024年第2期14卷 142-145页

作者： Viet Duc La ngoc Tuan nguyen Institute of Mechanics Vietnam Academy of Science and TechnologyHanoi 10000Vietnam Graduate University of Science and Technology Vietnam Academy of Science and TechnologyHanoi 10000Vietnam

This paper studies a single degree of freedom system under free vibration and controlled by a general semiactive damping.A general integral of squared error is considered as the performance index.A one-time switching damping controller is proposed and *** pontryagin maximum principle is used to prove that no other form of semi-active damping can provide the better performance than the proposed one-time switching damping.

关键词： Analytical optimization Quadratic integral Lyapunov equation Pontryagin maximum principle

Congenital Club Foot in Children Younger than 24 Months: Decancelous Cuboid Combined with Selective Soft Tissue Release

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Open Journal of Orthopedics 2012年第3期2卷 94-110页

作者： nguyen ngoc Hung Vietnam National Hospital for Pediatrics Hanoi Vietnam

Purpose: To evaluate 2 surgical prosedures in treatment of congenital clubfeet in children younger than 24 months. Materials and methods: Data were analyzed on 319 patients (448 feet) from July 1990 to December 2005. Clinical and classification for all patients according to Diméglio. Operated patients were devided into two group: Group1, selective soft tissue release;and Group 2, selective soft tissue release combined with cuboid decancelation. Surgical result were classified according to McKay’s system. Results: There were 103 females (32.3%) and 216 males (67.7%) in this study. There were 192 patients (268 feet) in group 1, 127 patients (180 feet) in group 2. Bilateral involvement was found in 129 patients (40.4%), only the left foot affected in 65 patients (20.4%), and only the right in 125 patients (39.2%). According to the classification of Diméglio Grade II was seen in 32.4%, Grade III in 53,1%, and Grade IV in 14.5%. Postoperatively, in group 1, we got excellent result in 29.1%, good result in 49.2%, fair result in 18.3%, and poor result in 3.4%. In group 2, we attained excellent result in 50.6%, good result in 42.2%, fair result in 6.1% and poor result in 1.1%. The good to excellent result in group 2 was significantly higher in group 1 with p = 0.000042. There was no failure in both groups. Residual adduction of forefoot in frontal plane was seen in 78.0% of group 1, and 10.6% of group 2, which was also statistically significant with p ~ 0. Conclusion: Generally speaking, the procedure of selective soft tissue releases combined with cuboid decancelation showed an outstanding result with good to excellent result of 92.8%. Surgical procedure is simple, safe, and applicable for all patients with clubfeet’s deformyties.

关键词： Congenital Clubfoot Forefoot Adduction Position of Navicular Posteromedial Release Cuneiform Bones Osteotomy