Publications by authors named "Nahree Doh"

Purpose: Korean immigrant families are growing in the Southern United States (U.S), an area where culturally specific resources can be limited. Korean immigrant families encounter distress in navigating the American culture, but cultural stigma impedes discussion within the family.

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This study introduces a novel deep learning-based technique for predicting pressure distribution images, aimed at application in image-based approximate optimal design. The proposed approach integrates both unsupervised and supervised learning paradigms, employing autoencoders (AE) for the unsupervised component and fully connected neural networks (FNN) for the supervised component. A surrogate model based on 2D image data was developed, enabling a comparative analysis of three distinct methods: the conventional AE, the convolutional autoencoder (CAE), and a hybrid CAE, which combines the CAE with a conventional AE.

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Unlabelled: Accurate assessment of shoulder range of motion (ROM) is crucial for evaluating patient progress. Traditional manual goniometry often lacks precision and is subject to inter-observer variability, especially in measuring shoulder internal rotation (IR). This study introduces an artificial intelligence (AI)-based approach that uses clinical photography to improve the accuracy of ROM quantification.

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Unlabelled: A weight-bearing lateral radiograph (WBLR) of the foot is a gold standard for diagnosing adult-acquired flatfoot deformity. However, it is difficult to measure the major axis of bones in WBLR without using auxiliary lines. Herein, we develop semantic segmentation with a deep learning model (DLm) on the WBLR of the foot for enhanced diagnosis of pes planus and pes cavus.

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Oral budesonide exerts local effects with negligible systemic glucocorticoid activity, due to rapid first-pass metabolism, therefore, could potentially be efficacious in preventing gastrointestinal (GI) acute GVHD (aGVHD). We explored the use of budesonide, added to posttransplant cyclophosphamide (PTCy), tacrolimus, and mycophenolate mofetil, for prevention of GI aGVHD after allogeneic hematopoietic stem cell transplantation (AHSCT) in a prospective observational study and treated 80 patients with a median age of 53 years (range 19-74). Results were compared with a publicly available CIBMTR dataset of 646 patients who received PTCy-based GVHD prophylaxis (CIBMTR Study # GV17-02) (control).

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Purpose: Improvement of left ventricular (LV) diastolic dysfunction (DD) is known to be a good prognostic factor in patients with heart failure with reduced ejection fraction (EF). In the present study, we investigated the predisposing risk factors affecting the reversibility of LV diastolic filling pattern (DFP) in patients with preserved EF.

Materials And Methods: A total of 600 patients with pseudonormal LVDFP and preserved EF who underwent follow-up echocardiography were enrolled between 2011 and 2020.

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Background And Objectives: The optimal timing for complete revascularization (CR) in patients with acute myocardial infarction (AMI) and multivessel disease (MVD) remain uncertain.

Methods: This post-hoc analysis of the FRAME-AMI trial included AMI patients with MVD ( = 549). They were classified into immediate ( = 329) and staged CR ( = 220) groups.

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Article Synopsis
  • Recent studies highlight the advantages of using intravascular imaging (IVI) for percutaneous coronary intervention (PCI) compared to traditional angiography, but the relevance of angiography-based physiological assessments during this procedure is not fully understood.
  • The FLAVOUR trial analyzed the impact of angiography-based physiological evaluations, specifically the quantitative flow ratio (μQFR), on treatment decisions for patients undergoing IVI-guided PCI.
  • Results indicated significant reclassification of treatment approaches based on μQFR, with the REFERENCE group experiencing a higher risk of major adverse cardiovascular events, while DEFER and PERFORM groups showed similar outcomes and quality of life after 2 years.*
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To quantify the extent of the disruption and recovery of lung cancer detection during the first two years of the pandemic, focusing on disparities across demographic and community factors. This retrospective cohort study used the SEER database to identify lung cancer cases from 2001 to 2021. Expected incidence rates for 2020 and 2021 were projected based on pre-pandemic trends (2000-2019) using the NCI's Joinpoint Regression program.

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Article Synopsis
  • Anti-CD19 CAR-engineered T and NK cell therapies have improved treatment for B cell malignancies, but issues like CD19 antigen loss limit effectiveness.
  • Co-administering an anti-CD19 monoclonal antibody boosts the antitumor activity of CAR-T and CAR-NK cells, despite the antibody interfering with CAR binding to the CD19 antigen.
  • This combination therapy alters T cell activation over time, enhancing the effectiveness of CAR cells in killing tumor cells and improving overall treatment outcomes in vivo.
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Introduction: There is a lack of evidence to support the effectiveness of prolonged β-blocker therapy after stabilisation of patients with acute myocardial infarction (AMI) without heart failure (HF) or left ventricular systolic dysfunction.

Methods And Analysis: The SMart Angioplasty Research Team: DEcision on Medical Therapy in Patients with Coronary Artery DIsease or Structural Heart Disease Undergoing InterventiON (SMART-DECISION) trial is a multicentre, prospective, open-label, randomised, non-inferiority trial designed to determine whether discontinuing β-blocker therapy after ≥1 year of maintenance in stabilised patients after AMI is non-inferior to continuing it. Patients eligible for participation are those without HF or left ventricular systolic dysfunction (ejection fraction >40%) who have been continuing β-blocker therapy for ≥1 year after AMI.

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Monitoring radioactive cesium ions (Cs) in seawater is vital for environmental safety but remains challenging due to limitations in the accessibility, stability, and selectivity of traditional methods. This study presents an innovative approach that combines electrochemical voltammetry using nickel hexacyanoferrate (NiHCF) thin-film electrode with machine learning (ML) to enable accurate and portable detection of Cs. Optimizing the fabrication of NiHCF thin-film electrodes enabled the development of a robust sensor that generates cyclic voltammograms (CVs) sensitive to Cs⁺ concentrations as low as 1 ppb in synthetic seawater and 10 ppb in real seawater, with subtle changes in CV patterns caused by trace Cs⁺ effectively identified and analyzed using ML.

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Background: A torn plantar plate (PP) is important pathologic anatomy related to a dislocated or subluxated metatarsophalangeal joint (MTPJ). Traditionally, a torn PP was treated with Weil osteotomy through a dorsal approach. However, because of the limited visualization of the dorsal approach, PP repair through a plantar approach has been proposed as a new technique.

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Article Synopsis
  • This study introduces a nanohybrid designed to enhance both photothermal and photodynamic effects for treating cancer, combining various polymers and gold nanoparticles.
  • The unique assembly method produces uniform nanoparticles quickly and effectively, showing potent results when activated by a single near-infrared wavelength.
  • The nanohybrid not only inhibits tumor growth and boosts immune responses but also shows improved efficacy when paired with immune checkpoint inhibitors, making it a promising option for combined cancer therapies.
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Background: Pediatric firearm injuries disproportionately affect groups experiencing socioeconomic disadvantage. Firearm injuries increased during the COVID-19 pandemic, but the impact on communities by degree of socioeconomic disadvantage is unknown. We examined the association between socioeconomic vulnerability and change in pediatric firearm injuries before versus during the pandemic.

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Background And Objectives: The risk profiles, procedural characteristics, and clinical outcomes for women undergoing bifurcation percutaneous coronary intervention (PCI) are not well defined compared to those in men.

Methods: COronary BIfurcation Stenting III (COBIS III) is a multicenter, real-world registry of 2,648 patients with bifurcation lesions treated with second-generation drug-eluting stents. We compared the angiographic and procedural characteristics and clinical outcomes based on sex.

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Background And Objectives: The Fractional Flow Reserve and Intravascular Ultrasound-Guided Intervention Strategy for Clinical Outcomes in Patients with Intermediate Stenosis (FLAVOUR) trial demonstrated non-inferiority of fractional flow reserve (FFR)-guided percutaneous coronary intervention (PCI) compared with intravascular ultrasound (IVUS)-guided PCI. We sought to investigate the cost-effectiveness of FFR-guided PCI compared to IVUS-guided PCI in Korea.

Methods: A 2-part cost-effectiveness model, composed of a short-term decision tree model and a long-term Markov model, was developed for patients who underwent PCI to treat intermediate stenosis (40% to 70% stenosis by visual estimation on coronary angiography).

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Aim: Pregnant women are at increased risk for severe illness associated with coronavirus disease 2019 (COVID-19) compared to nonpregnant women. The aim of this multicenter prospective study was to assess the current COVID-19 vaccination status of pregnant women in the southern Osaka district and to compare their antibody titers with those of nonpregnant women.

Methods: Serum antibody titers of anti-NCP antibodies (antibodies against the SARS-CoV-2 nucleocapsid) and anti-RBD antibodies (the receptor binding domain of the S1 subunit of the spike protein) were evaluated in 753 pregnant women at 34-35 weeks of gestation from October 2021 to March 2022.

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Objectives: This study evaluated the prevalence, diameter and location of the mandibular incisive canal (MIC) and the transition pattern and anterior loop length (ALL) of the mental canal and compared these values between and mandibles.

Methods: A total of 187 cone-beam computed tomography (CBCT) images of mandibles, namely, 100 images of dentate mandibles and 87 images of edentulous mandibles, were obtained. CBCT data related to the incisive canal and mental canal were analyzed by one examiner.

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Background: The fat attenuation index (FAI) measured using coronary computed tomography angiography (CCTA) enables the direct evaluation of pericoronary adipose tissue composition and vascular inflammation. We aimed to investigate the association of fractional flow reserve (FFR) and plaque vulnerability with coronary inflammation.

Methods: Patients with suspected coronary artery disease (CAD) who underwent CCTA and invasive FFR measurements within 90-day were included.

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Phlebotomus argentipes is the established vector of leishmaniasis in the Indian sub-continent. Antibodies to sand fly salivary antigens are biomarkers for vector-host exposure in leishmaniasis-endemic regions. Ph.

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Article Synopsis
  • * Data was collected from 952 patients, revealing a 2.2% incidence of vaccine-related adverse events (11 cases of myocarditis, 10 of pericarditis), most commonly following the Pfizer-BioNTech vaccine.
  • * Despite some patients experiencing symptoms and requiring hospitalization, overall prognosis remained favorable for all patients with mRNA-VRCS, with no significant differences noted in emergency room visits or mortality rates.
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Outcomes for patients with myeloid blast phase chronic myeloid leukemia (CML-MBP) are dismal, and no preferred chemotherapy regimen has been identified. Recent studies have suggested a higher response rate with administration of timed-sequenced regimens (TSR) (purine analog, high-dose cytarabine, anthracycline) in high-risk acute myeloid leukemia patients. We retrospectively evaluated outcomes of newly diagnosed CML-MBP patients consecutively treated at our institution with a TSR or standard-dose cytarabine and an anthracycline ("7 + 3") combined with a tyrosine-kinase inhibitor (TKI) between 2011 and 2023.

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Essential, but not too much-Roles of electrolyte additive (FEC) in Li solvation structures and interfacial reactions are revealed in a high-concentration electrolyte. While excessive FEC addition can intervene in original Li solvation, compromising interfacial kinetics, minimal FEC is essential in fast-charging applications to seamlessly facilitate Li desolvation while reinforcing interfacial stability.

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Article Synopsis
  • Blastoid variant-mantle cell lymphoma (BV-MCL) is a serious condition with no standard treatment, prompting a study of 17 patients at a medical institution from 2009 to 2023.
  • The study found that the overall response to initial treatment was 66.7%, but the overall survival rate after two years was only 62.5%, influenced by factors like type of therapy and genetic variations.
  • New BTK inhibitor therapies show promise for improving outcomes in these high-risk patients, especially for those without TP53 mutations.
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