Publications by authors named "Chung I"

Colorectal cancer (CRC), an emerging public health concern, is one of the leading causes of cancer morbidity and mortality worldwide. An increasing body of evidence shows that dysfunction in metabolic reprogramming is a crucial characteristic of CRC progression. Specifically, metabolic reprogramming abnormalities in glucose, glutamine and lipid metabolism provide the tumour with energy and nutrients to support its rapid cell proliferation and survival.

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Purpose: To report on optical coherence tomography angiography (OCTA) in patients with a type 1 Boston keratoprosthesis (KPro) and determine its feasibility through assessment of imaging artifacts.

Methods: KPro and non-KPro subjects were matched for age, gender, and glaucoma diagnosis. OCTA images of the peripapillary optic nerve were obtained, reviewed by 2 readers masked to the diagnosis for artifacts and usability, and used for microvascular measurements.

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Background: Hip fractures are a significant public health issue, particularly among the elderly population. Pelvic radiographs (PXRs) play a crucial role in diagnosing hip fractures and are commonly used for their evaluation. Previous research has demonstrated promising performance in classification models for hip fracture detection.

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We investigated the safety and performance of the Da Vinci SP single-port robot (SP robot) in nipple-sparing mastectomy (NSM) with immediate reconstruction. Medical records of 60 women aged ≥ 19 years who had undergone SP robot-assisted unilateral or bilateral NSM with immediate reconstruction between October 2020 and August 2021 were retrospectively analyzed. Stage I (31, 47.

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In breast-conserving surgery (BCS), clear resection margins are crucial to prevent recurrence. Accurate imaging is vital for precise BCS, with MRI being the most accurate. However, MRI has limitations in identifying the exact extent of breast cancer in patients who have undergone neoadjuvant chemotherapy (NACT).

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Aim: To compare menopausal symptoms between tamoxifen alone and tamoxifen with ovarian function suppression (OFS) over 12 months, identifying related factors.

Methods: This prospective, observational study included 209 premenopausal patients with breast cancer on tamoxifen, recruited from Asan Medical Center, Republic of Korea. We collected demographic and clinical information from the participants' medical records and assessed menopausal symptoms using the Korean Menopause Rating Scale (MRS) at 3-, 6-, and 12-months postdiagnosis.

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Electroconvulsive therapy (ECT) is a therapeutic intervention that induces generalized seizures under general anesthesia. This case report compares the efficacy of dexmedetomidine (DEX) and nitrous oxide (N2O) to that of propofol during ECT procedures. A 33-year-old woman with a 15-year history of schizophrenia and recurrent psychotic episodes underwent ECT.

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Myocardial infarction (MI), a major form of coronary artery disease (CAD), triggers a severe inflammatory response in the heart, resulting in increased cell death and adverse ventricular remodeling. Despite treatment advancements, MI remains a significant risk factor for heart failure, underscoring the necessity for a more in-depth exploration of immune cell mechanisms. Proprotein convertase subtilisin/kexin type 7 (PCSK7), expressed in various tissues and immune cells, has been implicated in cardiovascular disease, yet its specific role in cardiac immune cells remains poorly understood.

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Article Synopsis
  • The study aimed to analyze treatment patterns for childhood glaucoma in the U.S. by examining patient records from 2013 to 2020.
  • It included 3069 patients, revealing that only 16.1% underwent surgery while 93.6% were treated with medications, with specific procedures varying based on the type of glaucoma.
  • Key factors influencing the need for surgeries included having primary congenital glaucoma, higher intraocular pressure, and being younger than one year at diagnosis.
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In response to the increasing demands for net-zero carbon emissions in Taiwan and globally, this study explores the feasibility of implementing microgrid technologies in convenience stores to reduce carbon emissions. The study utilizes the commercial simulation tool HomerPro to evaluate the performance of integrating solar and wind power into microgrid systems, aligning with Taiwan's current priorities in renewable energy development. The analysis incorporates carbon pricing scenarios, grid reliability considerations, and financial variables such as discount and inflation rates.

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The role of biomarkers in cancer treatment varies significantly depending on the cancer stage. Thus, in clinical practice, tailoring biomarkers to meet the specific needs and challenges of each cancer stage can increase the precision of treatment. Because they reflect underlying genetic alterations that influence cancer progression, copy number variation (CNV) biomarkers can play crucial prognostic roles.

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Background/objectives: The tumor microenvironment (TME) has emerged as a significant prognostic factor. This study aimed to identify prognostic factors by combining clinicopathologic parameters and the TME biomarkers in patients who underwent surgery following neoadjuvant chemoradiotherapy (nCRT) for locally advanced rectal cancer (LARC).

Methods: CD8 T cells, CXCR3, CXCL10, and α-smooth muscle actin (α-SMA) were analyzed via immunohistochemical staining.

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The clinical impact of 16α-F-fluoro-17β-estradiol (F-FES) PET/CT on patient management has not been well investigated. The aim of this study was to assess the clinical impact of F-FES PET/CT on the management of patients with recurrent or metastatic breast cancer. Study subjects were identified retrospectively from a database of a prospective trial for postmarketing surveillance of F-FES between 2021 and 2023.

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The risk factors for immediate post-polypectomy bleeding (IPPB) after cold snare polypectomy (CSP) are not well-known. We sought to define such risk factors and develop a predictive risk-scoring model. This prospective observational study included 161 polyps (4-9 mm in diameter) that were removed via CSP from 118 patients during the period from June to September 2019 in 2 tertiary hospitals.

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Article Synopsis
  • The study focused on treatment results and failure patterns in breast cancer patients classified as cT3N0 who underwent neoadjuvant chemotherapy (NAC) followed by surgery.
  • Researchers examined 87 patients from 2000 to 2015, identifying high-risk individuals based on specific clinical factors like age and tumor characteristics.
  • Results showed promising outcomes overall, with low rates of recurrence; however, high-risk patients faced significantly worse outcomes, highlighting the importance of pre-treatment evaluation for predicting survival.
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Preclinical drug efficacy and tumor microenvironment (TME) investigations often utilize humanized xenograft mouse models, yet these models typically fall short in replicating the intricate TME. We developed a humanized liver metastasis (LM) model by transplanting human peripheral blood mononuclear cells (PBMCs) and assessed it against the conventional subcutaneous (SC) xenograft model, focusing on immune cell dynamics post-transplantation and immunotherapy response. NOD-scid IL2Rgamma(NSG) were inoculated with PBMCs to create humanized models.

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Due to its small hole-effective mass, flexibility, and transparency, copper iodide (CuI) has emerged as a promising p-type alternative to the predominantly used n-type metal oxide semiconductors. However, the lack of effective doping methods hinders the utility of CuI in various applications. Sulfur (S)-doping through liquid iodination is previously reported to significantly enhance electrical conductivity up to 511 S cm.

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The prevalence and dynamics of circulating tumor DNA (ctDNA) in patients with breast cancer recurrence or de novo metastatic cancer were examined in a retrospective analysis of a prospective observational cohort. Twenty-three recurrent/metastatic breast cancer cases (8 locoregional, 15 distant metastasis) were enrolled, and sequential plasma samples were obtained. Anchor mutations were selected from the target sequencing of each patient's primary and/or metastatic tumor.

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Novel two-dimensional semiconductor crystals can exhibit diverse physical properties beyond their inherent semiconducting attributes, making their pursuit paramount. Memristive properties, as exemplars of these attributes, are predominantly manifested in wide-bandgap materials. However, simultaneously harnessing semiconductor properties alongside memristive characteristics to produce memtransistors is challenging.

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Article Synopsis
  • Cardiac rehabilitation (CR) is crucial for patients with cardiovascular disease (CVD), but many struggle to participate due to accessibility issues; home-based CR (HBCR) offers a promising alternative.
  • A study surveyed 189 patients with heart issues, revealing that only 26.5% engaged in adequate exercise, with a preference for individual or family workouts, particularly walking and resistance exercises done at home or outside.
  • Major barriers to exercise included fatigue, poor health self-perception, and low fitness levels, highlighting the need for personalized HBCR programs that accommodate individual preferences and challenges.
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  • Nivolumab combined with chemotherapy has become the standard treatment for advanced HER2-negative gastric cancer, with a focus on understanding its long-term effects through clinical trials.
  • In the ATTRACTON-4 trial, conducted across Japan, South Korea, and Taiwan, patients were assigned to either nivolumab or a placebo alongside common chemotherapy regimens, with the primary goals being progression-free survival and overall survival.
  • After three years, the nivolumab group showed longer progression-free survival but similar overall survival compared to the placebo group, with a significant majority of patients who responded completely to treatment remaining alive, indicating its effective and safe use in this setting.
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