Publications by authors named "An Ton"

Objective: Prescribing of antibiotics for viral upper respiratory infections (URIs) remains a pressing public health problem. We sought to reduce inappropriate prescribing of antibiotics for URIs in Mayo Clinic Arizona.

Design: Single-center, quasi-experimental, and retrospective cohort study.

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Objectives: The objective of this retrospective study was to determine possible prognostic factors of endodontic-periodontal lesions and to compare success, survival, and failure outcomes of treated endodontic-periodontal lesions across different treatment modalities, demographic variables, and anatomical tooth variations.

Materials And Methods: Data was collected from patient records in the patient management system (Salud, Titanium Solutions) from the Griffith University Dental Clinic between January 2008 and December 2021. The search strategy used the terms "endodontic periodontal lesion," "periodontal endodontic lesion," "endo perio lesion," "perio endo lesion," and "EPL.

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Among the most prevalent neurodevelopmental disorders, Autism Spectrum Disorder (ASD) is highly diverse showing a broad phenotypic spectrum. ASD also couples with a broad range of mutations, both de novo and inherited. In this study, we used a proprietary SNP genotyping chip to analyze the genomic DNA of 250 Vietnamese children diagnosed with ASD.

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  • A study investigated why some patients with paroxysmal atrial fibrillation (PAF) progress to persistent atrial fibrillation (PersAF) despite catheter ablation, focusing on predictors of this progression.
  • The study included 400 PAF patients, categorizing them into three outcome groups, and monitored them for 3 years post-ablation to assess AF recurrence and progression.
  • Key findings showed that a larger left atrial diameter, presence of non-pulmonary vein triggers, and a history of thyroid disease were significant predictors for both recurrence of AF and progression to PersAF.*
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Chronic inflammation harbors a vulnerable substrate for atrial fibrillation (AF) recurrence after catheter ablation. However, whether the ABO blood types are associated with AF recurrence after catheter ablation is unknown. A total of 2106 AF patients (1552 men, 554 women) who underwent catheter ablation were enrolled retrospectively.

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Background: The presence of abnormal substrate of left atrium is a predictor of atrial fibrillation (AF) recurrence after pulmonary vein isolation. We aimed to investigate the isochronal late activation mapping to access the abnormal conduction velocity for predicting AF ablation outcome.

Methods: Forty-five paroxysmal AF patients (30 males, 57.

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  • The study investigates changes in skin sympathetic nerve activity (SKNA) in patients undergoing catheter ablation for idiopathic ventricular arrhythmia (VA).
  • Researchers monitored 43 patients' SKNA before and after the ablation procedure to assess neuromodulation effects.
  • Results showed that patients whose ablation was successful had lower post-ablation SKNA compared to those with failed procedures, particularly those whose arrhythmias involved the right ventricular outflow tract (RVOT).
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Chromosomal instability (CIN) is characterized by an increased frequency of changes in chromosome structure or number and is regarded as a hallmark of cancer. CIN plays a prevalent role in tumorigenesis and cancer progression by assisting the cancer cells' phenotypic adaptation to stress, which have been tightly linked to therapy resistance and metastasis. Both CIN-inducing and CIN-repressing agents are being clinically tested for the treatment of cancer to increase CIN levels to unsustainable levels leading to cell death or to decrease CIN levels to limit the development of drug resistance, respectively.

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  • Radiofrequency catheter ablation (RFCA) is a treatment for non-paroxysmal atrial fibrillation (AF), but the long-term effectiveness of this procedure is not well-documented, prompting a study of its 10-year outcomes in patients.* -
  • The study involved 100 patients with non-paroxysmal AF who underwent RFCA, showing that after about 10 years, only 16% were in sinus rhythm with one procedure, while 53% maintained rhythm with multiple procedures and some on medication.* -
  • Key predictors for recurring arrhythmia included enlarged left atrial size, presence of non-pulmonary vein triggers, and whether patients underwent complex fractionated atrial electrogram (C
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Autonomic system plays a pivotal role in the pathogenesis of paroxysmal atrial fibrillation (AF). Skin sympathetic nerve activity (SKNA) is a noninvasive tool for assessing sympathetic tone. However, data on changes in SKNA after ablation are limited.

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  • Atypical atrial flutter (aAFL) is common after cardiac surgeries or procedures for atrial fibrillation, and this study aimed to improve ablation techniques using a new mapping algorithm.
  • Researchers studied 15 patients with 20 cases of aAFL, finding that the ablation sites identified by analyzing global activation histograms (GAH) were highly effective in targeting reentry circuits.
  • The use of the Lumipoint algorithm facilitated better identification of slow conduction areas, leading to quicker aAFL termination and improved patient outcomes.
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  • - Sleep is crucial for the cognitive and physical performance of teenage athletes (ages 13-19), who are at a heightened risk for sleep disorders and their detrimental effects on overall health and sports performance.
  • - A review of existing literature identified that optimizing sleep patterns can enhance performance and well-being, but more research is needed to fully understand the impact of sleep on young athletes.
  • - Recommendations for young athletes include aiming for 8 to 9 hours of sleep per night, ensuring 25% of that time is deep sleep, and minimizing screen time before bed, with additional tips for managing jet lag while traveling.
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Background: The comprehensive surveillance for interval changes in signal-averaged P-wave (SAPW) after pulmonary vein isolation (PVI) remains lacking. We aimed to analyze the SAPW parameters before and after PVI and explored their link to the left atrial electrical properties.

Methods: Eighteen patients with paroxysmal atrial fibrillation receiving primary catheter ablation were enrolled.

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Altered bone morphogenetic protein (BMP) signaling is associated with many musculoskeletal diseases. However, it remains unknown whether BMP dysfunction has direct contribution to debilitating pain reported in many of these disorders. Here, we identified a novel neuropathic pain phenotype in patients with fibrodysplasia ossificans progressiva (FOP), a rare autosomal-dominant musculoskeletal disorder characterized by progressive heterotopic ossification.

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Telemedicine has a very important role in today's healthcare system, which has been accentuated during the SARS-CoV-2 pandemic. Virtual medical evaluations offer a myriad of benefits for both patients and providers. Evaluations of the musculoskeletal system, however, present unique challenges because diagnosis significantly relies on a physical examination, something not easily accomplished by virtual means.

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Background: The identification of post pulmonary vein isolation (PVI) gaps by activation and voltage maps is time-consuming. This study aimed to investigate the characteristics, efficiency and accuracy of LiveView dynamic display module (EnSite™ Dynamic Display; Abbott, Abbott Park, IL, USA) in unmasking post PVI gaps and conduction block line.

Method: Twenty four patients with paroxysmal atrial fibrillation (PAF) who failed to achieve first-pass PVI or with recurrent PAF were enrolled.

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Introduction: Dynamic display of real-time wavefront activation pattern may facilitate the recognition of reentrant circuits, particularly the diastolic path of ventricular tachycardia (VT).

Objective: We aimed to evaluate the feasibility of LiveView Dynamic Display for mapping the critical isthmus of scar-related reentrant VT.

Methods: Patients with mappable scar-related reentrant VT were selected.

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Long QT syndrome (LQTS) is commonly presented with life-threatening ventricular arrhythmias (VA). Renal artery denervation (RDN) is an alternative antiadrenergic treatment that attenuates sympathetic activity. We aimed to evaluate the efficacy of RDN on preventing VAs in LQTS rabbits induced by drugs.

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Introduction: The presence of bipolar low-voltage zone (LVZ) is a predictor of AF recurrence after PV isolation (PVI). However, changes of wavefront and bipole directions may cause different electrogram characteristics. We aimed to investigate whether using omnipolar maximum voltage (Vmax) map derived from high density (HD) Grid mapping catheter could assess LVZ and AF ablation outcome accurately.

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The complexity of breast cancer includes many interacting biological processes, and proteasome alpha (PSMA) subunits are reported to be involved in many cancerous diseases, although the transcriptomic expression of this gene family in breast cancer still needs to be more thoroughly investigated. Consequently, we used a holistic bioinformatics approach to study the genes involved in breast cancer by integrating several well-established high-throughput databases and tools, such as cBioPortal, Oncomine, and the Kaplan-Meier plotter. Additionally, correlations of breast cancer patient survival and PSMA messenger RNA expressions were also studied.

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Breast cancer remains the most common malignant cancer in women, with a staggering incidence of two million cases annually worldwide; therefore, it is crucial to explore novel biomarkers to assess the diagnosis and prognosis of breast cancer patients. NIMA-related kinase (NEK) protein kinase contains 11 family members named NEK1-NEK11, which were discovered from ; however, the role of NEK family genes for tumor development remains unclear and requires additional study. In the present study, we investigate the prognosis relationships of NEK family genes for breast cancer development, as well as the gene expression signature via the bioinformatics approach.

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In recent decades, breast cancer (BRCA) has become one of the most common diseases worldwide. Understanding crucial genes and their signaling pathways remain an enormous challenge in evaluating the prognosis and possible therapeutics. The "Like-Smith" (LSM) family is known as protein-coding genes, and its member play pivotal roles in the progression of several malignancies, although their roles in BRCA are less clear.

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Macrophages play crucial roles in many human disease processes. However, obtaining large numbers of primary cells for study is often difficult. We describe 2D and 3D methods for directing human induced pluripotent stem cells (hiPSCs) into macrophages (iMACs).

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