Publications by authors named "Sookyung Lee"

This retrospective study aimed to evaluate the clinical utility of the Noble and Underwood (NUn) score as a prognostic marker for overall survival (OS) in patients with stage I to IIIA non-small cell lung cancer (NSCLC). The NUn score is a novel composite marker that integrates C-reactive protein (CRP), serum albumin (ALB) levels, and white blood cell (WBC) count to provide a comprehensive assessment of systemic inflammation and nutritional status. We included patients with stage I to IIIA NSCLC and assessed the NUn score, calculated using CRP, ALB levels, and WBC count.

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Amelogenesis, or enamel development, is a highly regulated process that leads to the formation of tooth enamel, which is critical for protecting teeth from decay and wear. Disruptions in the amelogenesis process can result in amelogenesis imperfecta, a group of genetic conditions characterized by inadequately formed enamel. This condition can include enamel hypoplasia, marked by thinning or underdevelopment of the enamel layer.

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MLL4, also known as KMT2D, is a histone methyltransferase that acts as an important epigenetic regulator in various organogenesis programs. Mutations in the gene are the major cause of Kabuki syndrome, a human developmental disorder that involves craniofacial birth defects, including anomalies in the palate. This study aimed to investigate the role of MLL4 and the underlying mechanisms in the development and growth of the palate.

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Article Synopsis
  • Obesity complicates intubation during general anesthesia, prompting a study to compare the effectiveness of McCoy and C-MAC D-blade video laryngoscopes in patients with a BMI ≥ 35 kg/m.
  • The research involved 104 obese patients, measuring primary outcomes like intubation time and secondary outcomes including vocal cord exposure, successful intubation rates, and hemodynamic variables.
  • Results showed no significant difference in intubation time, but the C-MAC group had better vocal cord exposure results and lower intubation difficulty scores, suggesting it may offer more stability and effectiveness for obese patients.
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Heterozygous mutations in the gene manifest as FOXG1 syndrome, a severe neurodevelopmental disorder characterized by structural brain anomalies, including agenesis of the corpus callosum, hippocampal reduction, and myelination delays. Despite the well-defined genetic basis of FOXG1 syndrome, therapeutic interventions targeting the underlying cause of the disorder are nonexistent. In this study, we explore the therapeutic potential of adeno-associated virus 9 (AAV9)-mediated delivery of the gene.

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Paralog factors are considered to ensure the robustness of biological processes by providing redundant activity in cells where they are co-expressed. However, the specific contribution of each factor is frequently underestimated. In the developing spinal cord, multiple families of transcription factors successively contribute to differentiate an initially homogenous population of neural progenitors into a myriad of neuronal subsets with distinct molecular, morphological, and functional characteristics.

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Background: Systolic murmur suggesting the association of aortic valve (AV) stenosis or obstructive pathology in the left ventricular outflow tract (LVOT) usually requires preoperative echocardiographic evaluation for elective surgery.

Case: In a 63-year-old female patient undergoing elective thoracic surgery, the systolic murmur was auscultated on the right sternal border of the second intercostal space in the preoperative patient holding area. Point-of-care (POC) transthoracic echocardiography (TTE) demonstrated a systolic jet flow in the LVOT area.

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Background: Ultrafiltration (UF) would enhance coagulation profiles by concentrating coagulation elements during cardiopulmonary bypass (CPB) for cardiac surgery.

Methods: We retrospectively reviewed electronic medical records of 75 patients who had undergone cardiac surgery with rotational thromboelastometry-based coagulation management in a university hospital and analyzed the UF-induced changes in the maximum clot firmness (MCF) of extrinsically activated test with tissue factor (EXTEM) during CPB in 30 patients.

Results: The median volume of filtered-free water was 1,350 ml, and median hematocrit was significantly increased from 22.

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This retrospective study investigated the association of sugammadex with postoperative pulmonary complication risk between 2013 and 2021 in patients with severe burn of five hospitals. Postoperative pulmonary complications included atelectasis, pulmonary edema, pulmonary effusion, pneumothorax, pneumonia, pulmonary thromboembolism, respiratory failure and acute respiratory distress. To identify whether sugammadex reduced the risk of postoperative pulmonary complication in patients with severe burn who underwent surgery, Kaplan-Meier curve were used to check the difference of incidence according to surgical cases and time-varying Cox hazard regression were used to calculate the hazard ratio.

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The 5-factor modified frailty index (mFI-5) evaluates frailty based on variables including functional status, diabetes, chronic obstructive pulmonary disease, congestive heart failure, and hypertension requiring medication. Despite its effectiveness in predicting surgical risk, the potential of mFI-5 as a predictor of long-term survival in patients with gastric cancer (GC) has not been investigated. This study aims to assess the prognostic significance of mFI-5 in patients with GC who have undergone curative-intent gastric resection.

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PrabotulinumtoxinA has been identified as an effective agent against crow's feet. Our study, which included Korean patients with moderate to severe crow's feet, was undertaken to compare the efficacy and safety of PrabotulinumtoxinA and placebo treatments. Of the 90 study participants, 60 received prabotulinumtoxinA (24 U), whereas 30 received a placebo.

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Background: Effective health interventions for North Korean refugees vulnerable to metabolic disorders are currently unelucidated.

Objective: This study aimed to evaluate the effects of digital health interventions in North Korean refugees using a wearable activity tracker (Fitbit device).

Methods: We conducted a prospective, randomized, open-label study on North Korean refugees aged 19-59 years between June 2020 and October 2021 with a 12-week follow-up period.

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Single allelic mutations in the gene encoding the forebrain-specific transcription factor FOXG1 lead to FOXG1 syndrome (FS). Patient-specific animal models are needed to understand the etiology of FS, as FS patients show a wide spectrum of symptoms correlated with location and mutation type in the FOXG1 gene. Here we report the first patient-specific FS mouse model, Q84Pfs heterozygous (Q84Pfs-Het) mice, mimicking one of the most predominant single nucleotide variants in FS.

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Article Synopsis
  • - Conflicting research has emerged regarding the link between menopausal hormone therapy (MHT) and various skin cancers, prompting a thorough study using South Korean health data from 2002 to 2019.
  • - The study analyzed 192,202 women who received MHT and compared them with 494,343 healthy controls, finding a lower incidence of both melanoma and non-melanoma skin cancer (NMSC) in the MHT group.
  • - Specifically, tibolone and combined estrogen plus progestin (COPM) were associated with a reduced risk of NMSC, while overall, MHT did not show a significant connection to melanoma incidence in menopausal women.
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The monocyte-to-lymphocyte ratio (MLR) is an important prognostic determinant of various malignancies. However, the prognostic role of MLR in patients with gastric cancer undergoing gastrectomy remains unclear. Patients with stage I to III gastric cancer who underwent curative-intent gastric resection were enrolled in this study.

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Article Synopsis
  • - The study analyzed data from South Korea (2010-2018) to assess the healthcare utilization and treatment methods for patients diagnosed with migraines, focusing on over 453,000 patient records.
  • - There was an increase in migraine cases and patients from 2010 to 2018, with the total cost of care more than doubling, particularly among women aged 45-54.
  • - The findings revealed differing treatment approaches: Western medicine focused on injections and analgesics, while Korean medicine commonly utilized acupuncture, with a notable rise in preventive medication prescriptions during the study period.
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: Difficult intubation, which may be encountered unexpectedly during anesthesia, can increase patients' morbidity and mortality. The McGRATH video laryngoscope is known to provide improved laryngeal visibility in patients with difficult or normal airways. The purpose of this study was to evaluate the efficacy of the McGRATH video laryngoscope for orotracheal intubation compared with that of conventional Macintosh laryngoscopes in simulated difficult airway scenarios.

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Background: Smartwatches are a consumer wearable device offering a potential, practical, and affordable method to collect personal health data in healthy adults. For patients with chronic diseases, this would enable symptom monitoring and aid clinical decision making. Therefore, providing customized checklists to recommend smartwatches is beneficial.

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Pregnant women usually have several risk factors of postoperative nausea and vomiting (PONV) and physiologic changes that make them susceptible to PONV development. We investigated the risk of PONV and postoperative vomiting (PV) in pregnant women in nondelivery surgery compared to nonpregnant women. This study included female adult patients who underwent nondelivery surgery at five hospitals between January 2011 and March 2021.

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To assess the clinical feasibility of the geriatric nutritional risk index (GNRI) and prognostic nutritional index (PNI) as determinants of survival in patients with stage I to III non-small cell lung cancer (NSCLC). This retrospective study included patients with stage I to III NSCLC from all age groups. Hazard ratios (HRs) for overall survival (OS), cancer-specific survival (CSS), and relapse-free survival (RFS) were calculated using the Cox regression analysis.

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Article Synopsis
  • Trigeminal trophic syndrome (TTS) is a rare condition caused by nerve damage that leads to loss of sensation and self-inflicted facial ulcers.
  • It can be confused with other serious conditions like infections, cancer, and skin disorders, making accurate diagnosis challenging.
  • The report emphasizes the need for early recognition and treatment of TTS to prevent complications and improve patient outcomes.
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