Publications by authors named "Nguyen Pham"

Colonic leiomyoma is extremely rare and is endoscopically indistinguishable from gastrointestinal stromal tumor. We present a case of colonic leiomyoma disguised as a pedunculated colonic polyp in a 62-year-old male who underwent surveillance colonoscopy.

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DNA transformation is key for phenotypic diversity and adaptation of Streptococcus pneumoniae including in the emergence of multidrug resistance (MDR). Under laboratory conditions, DNA transformation is facilitated by the artificial triggering of competence by the competence stimulating peptide (CSP). In ongoing DNA transformation work, we observed that exogenous CSP was dispensable depending on the combination of strains and culture media.

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Background: Diabetes is one of the leading causes of noncommunicable diseases worldwide. It is known to induce cardiovascular remodeling, which can result in a variety of complications, including a considerable increase in aortic stiffness. While studies in Western populations have explored these effects, data on Asians, mainly Vietnamese, are limited.

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Bloodstream infection (BSI) poses a global health problem, with diverse organisms and rising antimicrobial resistance (AMR). Here, we characterized trends in BSI prevalence, AMR, and antibiotic use at a Vietnamese infectious diseases hospital from 2010 to 2020. Among 108,303 cultured blood samples, 8.

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Article Synopsis
  • Streptococcus pneumoniae, Haemophilus influenzae, and Neisseria meningitidis are major causes of preventable bacterial meningitis in children, with vaccines available to combat these diseases.
  • A study was conducted in three pediatric hospitals in Vietnam from 2015 to 2018 to gather data on the impact of pneumococcal meningitis and its serotype distribution, which is important for the introduction of pneumococcal conjugate vaccines (PCVs).
  • Out of 1,803 suspected cases, 245 were confirmed as bacterial meningitis, with a high prevalence (93.5%) of cases caused by S. pneumoniae, predominantly from serotypes included in existing PCVs (most notably ser
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  • A biomimetic sucker design featuring a V-shaped notch was developed, demonstrating the ability to switch between high and low friction states while maintaining strong adhesion, enhancing performance by up to 94%.*
  • Two robots, the Adhesion Sliding Robot-1 (ASR-1) and Adhesion Sliding Robot-2 (ASR-2), were created to mimic these natural suckers, achieving successful movement on various surfaces and under challenging water conditions, indicating potential applications in environmental monitoring.*
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Severe coronary artery disease is often treated with a coronary artery bypass graft using an autologous blood vessel. When this is not available, a commercially available synthetic graft can be used as an alternative but is associated with high failure rates and complications. Therefore, the research focus has shifted toward the development of biodegradable, regenerative vascular grafts that can convert into neoarteries.

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The emergence of multicancer early detection (MCED) tests holds promise for improving early cancer detection and public health outcomes. However, positive MCED test results require confirmation through recommended cancer diagnostic imaging modalities. To address these challenges, we have developed a consultation and work-up protocol for definitive diagnostic results post MCED testing, named SPOT-MAS.

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  • - This study highlights the importance of recognizing the signs of pachyonychia congenita (PC) and understanding its genetic inheritance patterns.
  • - A 12-month-old boy diagnosed with PC, showcasing symptoms like a "white hairy tongue," was found to have a similar condition in his father.
  • - Genetic testing revealed a new pathogenic variant (c.616 T>G) in both the boy and his father, contributing to the understanding of PC's genetic diversity.
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Influenza A viruses spread out worldwide, causing several global concerns. Hence, discovering neuraminidase inhibitors to prevent the influenza A virus is of great interest. In this work, a machine learning model was employed to evaluate the ligand-binding affinity of 10 000 compounds from the MedChemExpress (MCE) database for inhibiting neuraminidase.

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Wound healing is facilitated by biomaterials-based grafts and substantially impacted by orchestrated inflammatory responses that are essential to the normal repair process. Tropoelastin (TE) based materials are known to shorten the period for wound repair but the mechanism of anti-inflammatory performance is not known. To explore this, we compared the performance of the gold standard Integra Dermal Regeneration Template (Integra), polyglycerol sebacate (PGS), and TE blended with PGS, in a murine full-thickness cutaneous wound healing study.

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Background: Due to high risks of feeding intolerance, preterm infants often receive parenteral nutrition (PN) to ensure sufficient nutrition and energy intake. However, there is a lack of data on the status of clinical PN practice and barriers among neonatal care units in low- to middle-income countries like Vietnam. This extensive survey explores the status and barriers of PN practice for preterm infants in neonatal units across Vietnam and identifies the practical implications of enhancing nutritional outcomes in preterm infants.

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Introduction And Importance: Minimally invasive esophagectomy has emerged as the established standard for treating esophageal cancer. The gastric graft is usually placed in the posterior mediastinum or the retrosternal tunnel for reconstruction. Hiatal hernia occurrence is more common in the posterior mediastinal reconstruction and is more frequently observed in laparoscopic compared to open approach.

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Copper participates in a range of critical functions in the nervous system and human brain. Disturbances in brain copper content is strongly associated with neurological diseases. For example, changes in the level and distribution of copper are reported in neuroblastoma, Alzheimer's disease, and Lewy body disorders, such as Parkinson disease and dementia with Lewy bodies (DLB).

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Chronic liver disease (CLD) is a major contributor to global mortality, morbidity, and healthcare burden. Progress in pharmacotherapeutic for CLD management is lagging given its impact on the global population. While statins are indicated for the management of dyslipidemia and cardiovascular disease, their role in CLD prevention and treatment is emerging.

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For undoped SnO, room temperature ferromagnetism could be seen uniquely in 2-dimensional configurations, particularly in ultra-thin films (whose thickness is ideally below 100 nm). Both bulk samples and nano-powders of pristine SnO are diamagnetic, indicating that a 2D surface is a key point in shaping up the magnetic properties in SnO. As a complement to our experiments, we have performed a series of quantum-mechanical calculations for the bulk rutile-structure SnO as well as its (001) and (101) surfaces.

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The phytochemical composition of the leaves was studied for the first time. Two new triterpenoid saponins, named comtrifoside A () and comtrifoside B (), together with two other saponins () were purified by variously chromatographic techniques. For the first time, compound was informed from the genus, as well as all of the isolated compounds () were reported from .

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Objectives: Quality of surgery has recently become an essential topic in the prognosis of colon cancer. Complete mesocolic excision for colon cancer has recently gained popularity with high-quality surgery. Patient specimens after complete mesocolic excision with central vessel ligation procedures have an integrity of the mesocolon and the yield of three fields of lymph node harvest.

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Article Synopsis
  • Microcins are antimicrobial peptides with diverse structures and actions that specifically target closely related bacterial strains, making them a potential alternative to traditional antibiotics by minimizing the risk of resistance spread and harm to beneficial bacteria.
  • A study examined resistance mechanisms to four types of microcins in a collection of 54 bacterial strains, finding that many resistant strains had mutations in genes critical for microcin uptake and function.
  • While a genome-wide association study did not show strong links, some resistance-associated genes were identified relating to stress responses, biofilm formation, transport, and immunity, along with metabolic pathway mutations in resistant strains.
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Introduction: The indications for postoperative admission after tonsillectomy in children >3 years of age are less well defined than for children <3 years old, and typically include severe obstructive sleep apnea (OSA), obesity, comorbidities, or behavioral factors. Inpatient care after tonsillectomy typically consists of respiratory monitoring and support, as respiratory compromise is the most common complication after pediatric tonsillectomy. We aim to evaluate risk factors associated with postoperative oxygen supplementation and to identify high risk populations within the admitted population who use additional resources or require additional interventions.

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Due to the potential for severe maternal morbidity and even mortality, pregnancy-associated spontaneous coronary artery dissection (P-SCAD) often presents as a clinical conundrum. While current recommendations encourage coronary interventions when medically indicated even during pregnancy, the hesitation still understandably exists. Meanwhile, given the rarity of the condition, the guidelines for management are still based on expert consensus.

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Bio-guided isolation was applied to Vietnamese L. to find alpha-glucosidase inhibition. Fifteen compounds were isolated and structurally determined, including two new compounds, marchatoside (7) and marchanol (8), along with thirteen known compounds: marchantin A (1), isoriccardin C (2), riccardin C (3), marchantin K (4), lunularin (5), 3-(3,4-dimethoxybenzyl)-5,7-dimethoxyphthalide (6), vitexilactone (9), 12-oleanene-3-one (10), 3,11-dioxoursolic acid (11), ursolic acid (12), artemetin (13), kaempferol (14), and quercetin (15).

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Introduction: Psoriasis is a multi-faceted, immune-mediated inflammatory disease associated with a wide range of comorbidities. Real-world data on treatment patterns, comorbidities, and economic burden in patients with psoriasis are needed for comprehensive patient care in Vietnam.

Methods: A retrospective chart review study was conducted using secondary data extracted from patients' medical records of two hospitals in Vietnam, with the aim of identifying adult patients with a confirmed diagnosis of psoriasis.

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Pulmonary alveolar microlithiasis (PAM) is a rare chronic lung disease characterized by calcium and phosphate deposition in the alveolar lumen throughout the parenchyma of both lungs, with predominance in the middle and lower lung fields. It is caused by mutations in the recessive gene, , on the autosomal chromosome. In this article, we characterize four cases of PAM and analyze the loss of diagnostic vigilance in two of them.

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