Publications by authors named "Ayoung Lee"

Purpose: This cross-sectional study aimed to examine which chemotherapy (CTx) terms were most difficult to understand for cancer patients and identify vulnerable patient populations who might need extra support to understand the terms.

Materials And Methods: We listed 56 CTx-related terms based on the experts' review, then 300 cancer patients and their caregivers completed a questionnaire that assessed literacy in CTx terms (LCT), functional health literacy, and empowerment. Descriptive analysis was performed to examine which CTx-related terms were most difficult for them.

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The digestion and absorption properties of 1,3-dipalmitoyl-2-oleoyl glycerol (POP)-rich lipids was evaluated using in vitro gastrointestinal digestion and a Caco-2 cell-mediated coupled model. Caco-2 cell viability and monolayer integrity were assessed by an MTT assay and transepithelial electrical resistance. The IC50 for bile salts, pancreatin, and free fatty acid (FFA) were 0.

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Article Synopsis
  • A study was conducted to explore Korean clinicians' knowledge, attitudes, and practices related to using neuromodulators and psychiatric treatments for functional gastrointestinal disorders (FGIDs).
  • The survey included 451 clinicians from various hospital tiers, revealing that while a high percentage recognized the need for these treatments, many were unfamiliar with prescribing neuromodulators and referred few patients for psychiatric care.
  • Results indicated a significant gap in knowledge and prescribing practices between primary care clinicians and gastroenterologists, highlighting the need for further education on this topic.
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Background: Sitosterolemia is a rare inherited lipid metabolic disorder characterized by increased levels of plant sterols and accelerated atherosclerosis. Although early detection is beneficial for the prevention of disease progression, it is largely underdiagnosed by routine screening based on conventional lipid profiles.

Materials And Methods: A gas chromatography-mass spectrometry (GC-MS)-based profiling has been developed and validated to measure the levels of biologically active free sterols, including five endogenous sterols and three plant sterols (sitosterol, campesterol, and stigmasterol) in dried blood spot (DBS).

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Purpose: This methodological study evaluated the psychometric properties of the Self-Care of Coronary Heart Disease Inventory version 3 (SC-CHDI v3) in a Korean context.

Methods: The SC-CHDI v3 was translated into Korean following a rigorous translation process. Participants were 452 patients who had experienced coronary heart disease (CHD), all recruited from a tertiary hospital in Korea.

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Article Synopsis
  • The study explores how environmental stress, specifically continuous light exposure, impacts gut function and causes stress-induced constipation in zebrafish larvae.
  • Researchers found that prolonged light exposure led to increased cortisol levels, reduced intestinal motility, and heightened inflammation, establishing a model for stress-induced constipation.
  • Probiotics were shown to effectively alleviate these symptoms by lowering cortisol levels, reducing inflammation, and restoring gut motility, emphasizing their potential role in managing gut health under stress.
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In Korea, is commonly known as Danggui. However, two other species on the market, and , are also commonly called Danggui. Since the three species have different biologically active components, thus, different pharmacological activities, clear discrimination between them is needed to prevent their misuse.

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Patients frequently report that stress causes or exacerbates gastrointestinal (GI) symptoms, indicating a functional relationship between the brain and the GI tract. The brain and GI tract are closely related embryologically and functionally, interacting in various ways. The concept of the brain-gut axis was originally established in the 19th and early 20th centuries based on physiological observations and experiments conducted in animals and humans.

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Horticultural therapy (HT) is green care that can help improve and recover the health of modern people living in cities through natural experiences. Many studies have been conducted to determine HT's therapeutic effects and underlying mechanisms, but investigation for developing readily applicable clinical techniques is insufficient. We aimed to investigate adults' brain activity and emotional state during flower arrangement (FA) with different flowers in an HT program.

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Recessive dystrophic epidermolysis bullosa (RDEB) is a severe skin fragility disorder caused by loss-of-function mutations in the COL7A1 gene, which encodes type VII collagen (C7), a protein that functions in skin adherence. From 36 Korean RDEB patients, we identified a total of 69 pathogenic mutations (40 variants without recurrence), including point mutations (72.5%) and insertion/deletion mutations (27.

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, a popular medicinal herb in Korea, is locally called Danggui; this name is similarly used for and , which are also sold in the retail market. These three herbs have differing therapeutic effects and should be used according to their prescribed purposes. In some retail markets, though, all three herbs are known by the same common name rather than a scientific name and can therefore be confused with each other.

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Purpose: The impact of the interval between previous endoscopy and diagnosis on the treatment modality or mortality of undifferentiated (UD)-type gastric cancer is unclear. This study aimed to investigate the effect of endoscopic screening interval on the stage, cancer-related mortality, and treatment methods of UD-type gastric cancer.

Materials And Methods: We reviewed the medical records of newly diagnosed patients with UD gastric cancer in 2013, in whom the interval between previous endoscopy and diagnosis could be determined.

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Background: The lesion detection rate of esophagogastroduodenoscopy (EGD) varies depending on the degree of experience of the endoscopist and anatomical blind spots. This study aimed to identify gaze patterns and blind spots by analyzing the endoscopist's gaze during real-time EGD.

Methods: Five endoscopists were enrolled in this study.

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Direct oral anticoagulants (DOACs) are widely prescribed for the prevention of stroke in elderly patients with atrial fibrillation and approved indication for DOAC has been expanded. We aimed to evaluate the risk of delayed bleeding in patients who had taken DOAC and underwent endoscopic submucosal dissection (ESD) for gastric neoplasms. We included consecutive patients who underwent ESD between January 2016 and July 2019 in Seoul National University Hospital.

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Early detection of gastric cancer is crucial because the survival rate can be improved through curative treatment. Although surgery and gastrectomy with lymph node dissection remain as the gold standard for curative treatment, early gastric cancer (EGC) with negligible risk of lymph node metastasis can be treated with endoscopic resection (ER), such as endoscopic submucosal dissection. Among gastric cancers, undifferentiated-type cancer is distinguished from differentiated-type cancer in various aspects in terms of clinical features and pathophysiology.

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Background: The restricted environment in prison negatively affects psychological health of prisoners, which in turn affects the rehabilitation of the prisoners. Previous studies have shown that horticultural activities were effective in improving psychological health of prisoners. The objectives were to develop a horticultural therapy (HT) program and to determine the association of 12 sessions with participants' psychological health using case analysis.

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Introduction: We investigated to compare the effect of empirical therapy vs clarithromycin resistance-guided tailored therapy (tailored therapy) for eradication of Helicobacter pylori.

Methods: In this prospective, single center, open-label randomized controlled trial, we enrolled 72 patients with H. pylori infection from January 2019 through June 2019 in Korea.

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Background And Study Aims: Natural history after endoscopic resection (ER) for gastric dysplasia is still unclear. The aim of this study was to evaluate the long-term clinical outcomes and risk factors after ER for gastric dysplasia between control and cases with synchronous or metachronous gastric neoplasm.

Methods: A total of 1090 patients who had undergone ER for gastric dysplasia and been followed up for at least one year from December 2002 to December 2013 were finally analyzed.

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Background: Endoscopic submucosal dissection (ESD) is a curative treatment option for superficial esophageal cancer with a minimal risk for lymph node metastasis. Before ESD, accurate clinical staging is important to select the appropriate candidate. We aimed to estimate the practicality of endoscopic ultrasound (EUS) to select pTis and pT1a.

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Introduction: Endoscopic submucosal dissection (ESD) is a preferred treatment option for superficial esophageal squamous cell carcinoma (SESCC). However, only few studies compared long-term survival outcomes of ESD with surgery. This study compared the overall survival (OS), recurrence-free survival, and complication rates of ESD with those of surgery.

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Article Synopsis
  • - The study investigates the concentrations of 12 specific herbal compounds in various plant raw materials and processed foods, amidst concerns about the lack of legal concentration limits on herbs used in food.
  • - Utilizing high-performance liquid chromatography-tandem mass spectrometry (LC-MS/MS), researchers validated their methods and found the herbal compounds present in foods labeled with those ingredients, although often at low levels.
  • - Some samples marketed as 100% pure contained unexpected herbal compounds from other species, raising suspicions of intentional or accidental adulteration.
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Helicobacter pylori (H. pylori) infection is on the rise as a cause of immune thrombocytopenia (ITP). It has been suggested that platelet recovery can be achieved following successful microbial eradication, although, the exact pathophysiology has yet to be fully elucidated.

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We aimed to develop a horticultural therapy program for the vocational rehabilitation of individuals with intellectual disabilities and examine its effects. Individuals with intellectual disabilities ( = 28, average age: 33.23 ± 4.

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Background: Children in modern society are exposed to high levels of stress. Various previous studies have reported that horticultural activities help children's emotional stability. The objective of this study is to develop and implement a horticultural therapy program to improve the emotional intelligence, resilience, and self-efficacy of elementary school students.

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