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Minh Vo

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https://www.readbyqxmd.com/read/28303648/subadventitial-techniques-for-chronic-total-occlusion-percutaneous-coronary-intervention-the-concept-of-vessel-architecture
#1
Lorenzo Azzalini, Mauro Carlino, Emmanouil S Brilakis, Minh Vo, Stéphane Rinfret, Barry F Uretsky, Dimitri Karmpaliotis, Antonio Colombo
Despite improvements in guidewire technologies, the traditional antegrade wire escalation approach to chronic total occlusion (CTO) recanalization is successful in only 60-80% of selected cases. In particular, long, calcified, and tortuous occlusions are less successfully approached with a true-to-true lumen approach. Frequently, the guidewire tracks into the subadventitial space, with no guarantee of distal re-entry into the true lumen. The ability to manage the subadventitial space has been a key step in the tremendous improvement in success rates of contemporary CTO percutaneous coronary intervention (PCI), whether operating antegradely or retrogradely...
March 17, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28299621/microemulsion-based-mucoadhesive-buccal-wafers-wafer-formation-in-vitro-release-and-ex-vivo-evaluation
#2
Minh Nguyet Pham, Toi Van Vo, Van-Thanh Tran, Phuong Ha-Lien Tran, Thao Truong-Dinh Tran
Microemulsion has the potentials to enhance dissolution as well as facilitate absorption and permeation of poorly water-soluble drugs through biological membranes. However, its application to govern a controlled release buccal delivery for local treatment has not been discovered. The aim of this study is to develop microemulsion-based mucoadhesive wafers for buccal delivery based on an incorporation of the microemulsion with mucoadhesive agents and mannitol. Ratio of oil to surfactant to water in the microemulsion significantly impacted quality of the wafers...
March 15, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28161941/-straining-to-separate-the-rare-earths-how-the-lanthanide-contraction-impacts-chelation-by-diglycolamide-ligands
#3
Ross J Ellis, Derek M Brigham, Laetitia Delmau, Alexander S Ivanov, Neil J Williams, Minh Nguyen Vo, Benjamin Reinhart, Bruce A Moyer, Vyacheslav S Bryantsev
The subtle energetic differences underpinning adjacent lanthanide discrimination are explored with diglycolamide ligands. Our approach converges liquid-liquid extraction experiments with solution-phase X-ray absorption spectroscopy (XAS) and density functional theory (DFT) simulations, spanning the lanthanide series. The homoleptic [(DGA)3Ln](3+) complex was confirmed in the organic extractive solution by XAS, and this was modeled using DFT. An interplay between steric strain and coordination energies apparently gives rise to a nonlinear trend in discriminatory lanthanide ion complexation across the series...
February 6, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28138799/population-size-estimation-of-men-who-have-sex-with-men-in-ho-chi-minh-city-and-nghe-an-using-social-app-multiplier-method
#4
Ali Safarnejad, Nguyen Thien Nga, Vo Hai Son
This study aims to estimate the number of men who have sex with men (MSM) in Ho Chi Minh City (HCMC) and Nghe An province, Viet Nam, using a novel method of population size estimation, and to assess the feasibility of the method in implementation. An innovative approach to population size estimation grounded on the principles of the multiplier method, and using social app technology and internet-based surveys was undertaken among MSM in two regions of Viet Nam in 2015. Enumeration of active users of popular social apps for MSM in Viet Nam was conducted over 4 weeks...
January 30, 2017: Journal of Urban Health: Bulletin of the New York Academy of Medicine
https://www.readbyqxmd.com/read/28133477/early-diagnosis-of-helicobacter-pylori-infection-in-vietnamese-patients-with-acute-peptic-ulcer-bleeding-a-prospective-study
#5
Duc Trong Quach, Mai Ngoc Luu, Toru Hiyama, Thuy-HuongThi To, Quy Nhuan Bui, Tuan Anh Tran, Binh Duy Tran, Minh-Cong Hong Vo, Shinji Tanaka, Naomi Uemura
Aims. To investigate H. pylori infection rate and evaluate a combined set of tests for H. pylori diagnosis in Vietnamese patients with acute peptic ulcer bleeding (PUD). Methods. Consecutive patients with acute PUB were enrolled prospectively. Rapid urease test (RUT) with 3 biopsies was carried out randomly. Patients without RUT or with negative RUT received urea breath test (UBT) and serological and urinary H. pylori antibody tests. H. pylori was considered positive if RUT or any noninvasive test was positive...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28124594/strategies-of-engineering-nanoparticles-for-treating-neurodegenerative-disorders
#6
Khanh Tu Nguyen, Minh Nguyet Pham, Toi Van Vo, Wei Duan, Phuong Ha-Lien Tran, Tran Truong-Dinh Thao
Neurodegenerative disorders (NDs) are typically referred to Alzheimer's disease, Parkinson's diseases, amyotrophic lateral sclerosis and prion disease. These are commonly debilitating and, unfortunately, have few therapeutic options. One of the main difficulties in fighting against NDs is to overcome the shielding of blood-brain barrier (BBB), which greatly limits the penetration of various therapeutic drugs, which sometimes leads to severe side effects. Nanotechnology, by engineering materials of a size scale usually within 1-100 nm, fortunately offers an alternative approach for novel, promising and innovative solutions...
January 25, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28105600/approach-to-cto-intervention-overview-of-techniques
#7
REVIEW
Aris Karatasakis, Barbara Anna Danek, Dimitri Karmpaliotis, Khaldoon Alaswad, Minh Vo, Mauro Carlino, Mitul P Patel, Stéphane Rinfret, Emmanouil S Brilakis
Successful percutaneous coronary intervention (PCI) of chronic total occlusions (CTOs) has been associated with significant clinical benefits, but remains technically demanding. Failure to cross the CTO with a guidewire is the most common cause of CTO PCI failure. CTO crossing can be achieved in the antegrade or retrograde direction and can be accomplished by maintaining true lumen position throughout or via subintimal dissection/reentry techniques. A procedural plan should be created prior to the procedure through careful angiographic review of four key parameters: (a) morphology of the proximal occlusion cap; (b) length of the occlusion; (c) quality of the distal vessel and presence of bifurcation at the distal cap; and (d) suitability of collateral circulation for retrograde crossing...
January 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28103726/antibacterial-activities-of-chemical-constituents-from-the-aerial-parts-of-hedyotis-pilulifera
#8
Hoai Thi Nguyen, Duc Viet Ho, Hung Quoc Vo, Anh Tuan Le, Hien Minh Nguyen, Takeshi Kodama, Takuya Ito, Hiroyuki Morita, Ain Raal
CONTEXT: Hedyotis pilulifera (Pit.) T.N. Ninh (Rubiaceae) has been used in Vietnamese ethnomedicine; the methanol extract exhibited antibacterial activity in our preliminary screening. OBJECTIVES: In this study, compounds from H. pilulifera were isolated and their antibacterial activity in vitro was evaluated. MATERIALS AND METHODS: The aerial parts of H. pilulifera (1.4 kg) were extracted with MeOH, suspended in water and ethyl acetate extract was chromatographed on a silica gel column...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28093997/sonication-assisted-nanoprecipitation-in-drug-delivery
#9
Anh Thi Ngoc Vo, Thinh Duc Luu, Minh Ngoc Uyen Nguyen, Toi Van Vo, Wei Duan, Phuong Ha-Lien Tran, Thao Truong-Dinh Tran
Sonication-assisted nanoprecipitation provides an effective tool for nanomedicine engineering in therapeutic improvement. In the scope of this review, original works in interdisciplinary areas of using sonication with precipitation method for nanoparticulate drug delivery systems and its applications in management of different diseases are discussed. The use of sonication-assisted nanoprecipitation has been proved to improve drug bioavailability, which attracts tremendous interests as an effective strategy for drug delivery...
January 15, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/27969630/tct-287-current-perspectives-and-practices-on-chronic-total-occlusion-percutaneous-coronary-interventions
#10
Siddharth Patel, Rohan Menon, M Nicholas Burke, Farouc Amin Jaffer, Robert Yeh, Minh Vo, Dimitri Karmpaliotis, Lorenzo Azzalini, Mauro Carlino, Kambis Mashayekhi, Alfredo Galassi, Stéphane Rinfret, Stephen Ellis, Mitul Patel, Bavana Rangan, Aris Karatasakis, Barbara Anna Danek, Judit Karacsonyi, Erica Resendes, Subhash Banerjee, Emmanouil Brilakis
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27878546/investigation-of-antibiotics-in-health-care-wastewater-in-ho-chi-minh-city-vietnam
#11
Thi-Dieu-Hien Vo, Xuan-Thanh Bui, Ngoc-Dan-Thanh Cao, Vinh-Phuc Luu, Thanh-Tin Nguyen, Bao-Trong Dang, Minh-Quan Thai, Dinh-Duc Nguyen, Thanh-Son Nguyen, Quoc-Tuc Dinh, Thanh-Son Dao
Hospital wastewater contains huge amounts of hazardous pollutants which are being discharged daily to environment with or without treatment. Antibiotics were among the important group of pharmaceuticals considered as a potential source of health risk for human and other living creatures. Although the investigations about the existence of antibiotics in hospital wastewater have gained concern for researchers in many countries, there is only one research conducted in Hanoi-Vietnam. Hence, in this study, investigations have been done to fulfill the requirement of real situation in Vietnam by accomplishing survey for 39 health care facilities in Ho Chi Minh City...
December 2016: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/27828385/bulk-alinas-on-inp-111-as-a-novel-material-system-for-pure-single-photon-emission
#12
Sebastian Unsleber, Michael Deppisch, Christian M Krammel, Minh Vo, Christopher D Yerino, Paul J Simmonds, Minjoo Larry Lee, Paul M Koenraad, Christian Schneider, Sven Höfling
In this letter, we report on quantum light emission from bulk AlInAs grown on InP(111) substrates. We observe indium rich clusters in the bulk Al<sub>0.48</sub>In<sub>0.52</sub>As (AlInAs), resulting in quantum dot-like energetic traps for charge carriers, which are confirmed via cross-sectional scanning tunnelling microscopy (XSTM) measurements and 6-band k·p simulations. We observe quantum dot (QD)-like emission signals, which appear as sharp lines in our photoluminescence spectra at near infrared wavelengths around 860 nm, and with linewidths as narrow as 50 μeV...
October 3, 2016: Optics Express
https://www.readbyqxmd.com/read/27795418/influenza-a-viruses-of-swine-iav-s-in-vietnam-from-2010-to-2015-multiple-introductions-of-a-h1n1-pdm09-viruses-into-the-pig-population-and-diversifying-genetic-constellations-of-enzootic-iav-s
#13
Nobuhiro Takemae, Michiyo Harada, Phuong Thanh Nguyen, Tung Nguyen, Tien Ngoc Nguyen, Thanh Long To, Tho Dang Nguyen, Vu Phong Pham, Vu Tri Le, Hoa Thi Do, Hung Van Vo, Quang Vinh Tin Le, Tan Minh Tran, Thanh Duy Nguyen, Phuong Duy Thai, Dang Hoang Nguyen, Anh Quynh Thi Le, Diep Thi Nguyen, Yuko Uchida, Takehiko Saito
Active surveillance of influenza A viruses of swine (IAV-S) involving 262 farms and 10 slaughterhouses in seven provinces in northern and southern Vietnam from 2010 to 2015 yielded 388 isolates from 32 farms; these viruses were classified into H1N1, H1N2, and H3N2 subtypes. Whole-genome sequencing followed by phylogenetic analysis revealed that the isolates represented 15 genotypes, according to the genetic constellation of the eight segments. All of the H1N1 viruses were entirely A(H1N1)pdm09 viruses, whereas all of the H1N2 and H3N2 viruses were reassortants among 5 distinct ancestral viruses: H1 and H3 triple-reassortant (TR) IAV-S that originated from North American pre-2009 human seasonal H1, human seasonal H3N2, and A(H1N1)pdm09 viruses...
January 1, 2017: Journal of Virology
https://www.readbyqxmd.com/read/27726522/the-spectrum-of-uveitis-in-southern-vietnam
#14
Myhanh Nguyen, Jay Siak, Soon-Phaik Chee, Vo Quang Hong Diem
PURPOSE: To describe the pattern of uveitis among Vietnamese at two eye hospitals in Southern Vietnam. METHODS: We retrospectively reviewed the charts of 212 consecutive uveitis cases that presented to two eye hospitals in Ho Chi Minh City, Vietnam, from July 2011 to February 2015. The patients were identified from a database maintained by the hospitals. Patients with keratitis, episcleritis, orbital inflammation, post-surgical endophthalmitis, traumatic iritis, and corneal graft rejection were excluded...
October 11, 2016: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/27668097/interventricular-septal-hematoma-and-coronary-ventricular-fistula-a-complication-of-retrograde-chronic-total-occlusion-intervention
#15
Abdul-Rahman R Abdel-Karim, Minh Vo, Michael L Main, J Aaron Grantham
Interventricular septal hematoma is a rare complication of retrograde chronic total occlusion (CTO) percutaneous coronary interventions (PCI) with a typically benign course. Here we report two cases of interventricular septal hematoma and coronary-cameral fistula development after right coronary artery (RCA) CTO-PCI using a retrograde approach. Both were complicated by development of ST-segment elevation and chest pain. One case was managed actively and the other conservatively, both with a favorable outcome...
2016: Case Reports in Cardiology
https://www.readbyqxmd.com/read/27599889/preclinical-evaluation-of-acoustic-radiation-force-impulse-measurements-in-regions-of-heterogeneous-elasticity
#16
Katharina Hollerieth, Bernhard Gaßmann, Stefan Wagenpfeil, Philipp Moog, Minh-Truc Vo-Cong, Uwe Heemann, Konrad Friedrich Stock
PURPOSE: The purpose of this study was to compare the reliability of ultrasound-based shear wave elastography in regions of homogeneous versus heterogeneous elasticity by using two different probes. METHODS: Using acoustic radiation force impulse (ARFI) elastography, we measured the shear wave velocity (SWV) in different lesions of an elastography phantom with the convex 4C1 probe and the linear 9L4 probe. The region of interest (ROI) was positioned in such a way that it was partly filled by one of the lesions (0%, 25%, 50%, 75%, and 100%) and partly by the background of the phantom (100%, 75%, 50%, 25%, and 0%, respectively)...
October 2016: Ultrasonography
https://www.readbyqxmd.com/read/27573830/captivity-humanizes-the-primate-microbiome
#17
Jonathan B Clayton, Pajau Vangay, Hu Huang, Tonya Ward, Benjamin M Hillmann, Gabriel A Al-Ghalith, Dominic A Travis, Ha Thang Long, Bui Van Tuan, Vo Van Minh, Francis Cabana, Tilo Nadler, Barbara Toddes, Tami Murphy, Kenneth E Glander, Timothy J Johnson, Dan Knights
The primate gastrointestinal tract is home to trillions of bacteria, whose composition is associated with numerous metabolic, autoimmune, and infectious human diseases. Although there is increasing evidence that modern and Westernized societies are associated with dramatic loss of natural human gut microbiome diversity, the causes and consequences of such loss are challenging to study. Here we use nonhuman primates (NHPs) as a model system for studying the effects of emigration and lifestyle disruption on the human gut microbiome...
September 13, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27500954/respiratory-syncytial-virus-and-other-viral-infections-among-children-under-two-years-old-in-southern-vietnam-2009-2010-clinical-characteristics-and-disease-severity
#18
Lien Anh Ha Do, Juliet E Bryant, Anh Tuan Tran, Bach Hue Nguyen, Thi Thu Loan Tran, Quynh Huong Tran, Quoc Bao Vo, Nguyen Anh Tran Dac, Hong Nhien Trinh, Thi Thanh Hai Nguyen, Bao Tinh Le Binh, Khanh Le, Minh Tien Nguyen, Quang Tung Thai, Thanh Vu Vo, Ngoc Quang Minh Ngo, Thi Kim Huyen Dang, Ngoc Huong Cao, Thu Van Tran, Lu Viet Ho, Jeremy Farrar, Menno de Jong, H Rogier van Doorn
BACKGROUND: Despite a high burden of respiratory syncytial virus (RSV) infections among children, data on demographic and clinical characteristics of RSV are scarce in low and middle income countries. This study aims to describe the viral etiologies, the demographic, epidemiological, and clinical characteristics of children under two years of age who were hospitalized with a lower respiratory tract infections (LRTI), focusing on RSV (prevalence, seasonality, subgroups, viral load) and its association with disease severity...
2016: PloS One
https://www.readbyqxmd.com/read/27478652/arteria-lusoria-an-anomalous-finding-during-right-transradial-coronary-intervention
#19
David Allen, Hilary Bews, Minh Vo, Malek Kass, Davinder S Jassal, Amir Ravandi
Arteria Lusoria or aberrant right subclavian artery (ARSA) is present in 0.6-1.4% of individuals. It typically remains clinically silent and is often discovered during angiographic procedures. The presence of ARSA can make a right transradial approach for coronary angiography and angioplasty technically more difficult. With the use of catheter support, we describe two cases in which a right transradial approach for catheterization was successful in the setting of ARSA. As such, the presence of ARSA does not warrant abandoning a transradial approach for coronary angiography and angioplasty...
2016: Case Reports in Cardiology
https://www.readbyqxmd.com/read/27421955/-subintimal-external-crush-technique-for-a-balloon-uncrossable-chronic-total-occlusion
#20
Georgios Christopoulos, Anna P Kotsia, Bavana V Rangan, Minh Vo, Khaldoon Alaswad, Dimitri Karmpaliotis, Subhash Banerjee, Emmanouil S Brilakis
Chronic total occlusion (CTO) revascularization is traditionally limited by the challenges related to lesion crossing. In a smaller number of cases, however, inability to advance the balloon catheter to the crossing site can account for recanalization failure ("balloon uncrossable" CTO). We describe a case of a "balloon uncrossable" CTO in which balloon crossing was achieved after subintimal dilation and "external crushing" of the CTO lesion resulting in significant modification of the CTO atheromatous plaque...
January 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
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