Publications by authors named "Jung-Chul Kim"

This longitudinal study investigated the relationships among serum brain-derived neurotrophic factor (sBDNF) levels, personality types, and the development of posttraumatic stress disorder (PTSD), distinguishing between earlier- and delayed-onset PTSD over two years in individuals with physical injuries. A total of 895 adults with moderate to severe injuries were recruited from a trauma center and assessed within one month post-injury. Baseline evaluations included sBDNF measurements and personality assessments using the Big Five Inventory-10, which classified participants as having either resilient or vulnerable personality types.

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Background: This study examines the prospective associations between early post-injury heart rate variability (HRV) measures and post-traumatic stress disorder (PTSD) development over a two-year follow-up period.

Methods: Baseline HRV parameters were measured including the Standard Deviation of NN Intervals (SDNN), Root Mean Square of Successive Differences (RMSSD), Low Frequency (LF) and High Frequency (HF) bands, and LF/HF ratio. Socio-demographic and clinical covariates were also collected.

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Objectives: This study investigated post-traumatic stress disorder (PTSD) trajectories and their predictors over a 2-year period, in individuals recovering from physical injuries.

Materials And Methods: Between June 2015 and January 2021, 1,142 patients from a South Korean University Hospital Trauma Center underwent baseline evaluations, including PTSD-related measures and sociodemographic characteristics. They were subsequently followed up for PTSD using the Clinician-Administered PTSD Scale at 3, 6, 12, and 24 months.

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Purpose: Considering the current lack of consensus on post-poly (adenosine diphosphate-ribose) polymerase inhibitor (PARPi) treatment strategies, this study aimed to evaluate the efficacy of subsequent therapy and compare the outcomes of regimes in patients with recurrent ovarian cancer after PARPi treatment.

Materials And Methods: This multi-center retrospective cohort study analyzed data on patients diagnosed with ovarian cancer between January 2012 and June 2023 who had previously used PARPi after first- to fourth-line platinum-based chemotherapy. The primary endpoint was progression-free survival (PFS), which was the interval between recurrence after using PARPi and subsequent recurrence in the case of recurrence.

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Objective: This study investigated how educational levels modify the relationship between the standard deviation of NN intervals (SDNN) of heart rate variability and the development of post-traumatic stress disorder (PTSD).

Methods: Participants with physical injuries were enrolled from a trauma center and monitored over two years. Initial assessments included SDNN and educational attainment, along with socio-demographic and clinical variables.

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Introduction: This study examined the moderating effects of childhood abuse histories on the associations between low frequency (LF) and high frequency (HF) components of heart rate variability (HRV) and the development of post-traumatic stress disorder (PTSD).

Methods: Participants with physical injuries were recruited from a trauma center and followed for two years. Baseline assessments included LF, HF, and childhood abuse histories, assessed using the Nemesis Childhood Trauma Interview.

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Objective: This study aimed to identify the recurrence and survival rates according to the mismatch repair (MMR), p53, and L1 cell adhesion molecule (L1CAM) status in patients with advanced and recurrent endometrial cancer (EC) receiving systemic chemotherapy.

Methods: This single-center retrospective cohort study included chemotherapy-naïve patients with advanced-stage (III/IV) or recurrent EC between January 2015 and June 2022 (n = 156), who were administered chemotherapy as adjuvant therapy or first-line palliative treatment. MMR and p53 status were assessed, and L1CAM was tested using immunohistochemistry in the p53-wild and MMR-proficient (p53wt/pMMR) group.

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Article Synopsis
  • This longitudinal study analyzed how serum Brain-Derived Neurotrophic Factor (sBDNF) levels and childhood adversities affect the development of Post-Traumatic Stress Disorder (PTSD) in individuals with physical injuries over two years.
  • Researchers assessed patients at a trauma center for sBDNF levels and childhood adversities using the ACE questionnaire and diagnosed PTSD at multiple intervals employing the Clinician-Administered PTSD Scale.
  • Results showed that lower sBDNF levels increased the risk of earlier-onset PTSD among those who experienced childhood adversities, highlighting the importance of both biological and environmental factors in PTSD development.
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Article Synopsis
  • * Out of 538 participants, 58 (10.8%) developed PTSD, with rates decreasing over time from 8.4% at 3 months to 2.5% at 24 months.
  • * Results showed that lower SDNN was linked to PTSD in patients who did not undergo surgery, suggesting that PTSD prevention strategies should take both SDNN levels and surgical status into account.
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Background: This study investigated the longitudinal associations between serum BDNF (sBDNF) levels measured early after injury and the onset of post-traumatic stress disorder (PTSD) across two years.

Methods: Patients with moderate to severe physical injuries were enrolled from a trauma center. At baseline, sBDNF levels were measured and a comprehensive socio-demographic and clinical data were collected.

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Article Synopsis
  • The Clinician-Administered PTSD Scale (CAPS-5) is a reliable tool for diagnosing PTSD and was used in this study to assess its predictive value for PTSD development in patients with moderate to severe physical injuries over a 2-year period.
  • 1,142 patients were evaluated for acute stress disorder at baseline, and follow-up assessments were conducted at multiple intervals using CAPS-5 to track PTSD development.
  • Results indicated that while baseline CAPS-5 diagnoses showed limited predictive ability, scores of 15 or higher effectively predicted later PTSD, with scores of 16 or higher further increasing accuracy, especially in patients with intentional injuries or prior trauma.
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  • The study investigated how serum cortisol levels and personality traits impact the risk of developing PTSD over two years in individuals with physical injuries.
  • It involved tracking 923 patients from a trauma center, measuring their cortisol levels and personality traits, while diagnosing PTSD at multiple intervals, showing that overall PTSD rates decreased over time.
  • A significant finding revealed that lower cortisol levels combined with higher Neuroticism increased PTSD risk, especially in the early months, highlighting the complex relationship between biological factors and personality in PTSD development.
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  • This study investigated how serum BDNF (sBDNF) levels and alcohol consumption status affect the risk of developing PTSD after a physical injury over a two-year period.
  • It involved 923 trauma center participants, with 12.1% developing PTSD, revealing that lower sBDNF levels were linked to PTSD in alcohol consumers, but not in non-drinkers.
  • The findings suggest a crucial interaction between sBDNF and alcohol consumption in predicting PTSD, emphasizing the importance of considering these factors in prevention strategies, although the study’s focus on a single trauma center may affect overall applicability.
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Background: We aimed to investigate the distinct immunological characteristics of the tumor immune microenvironment in epithelial ovarian cancer (EOC) according to mutations status and differential PD-1 expression levels.

Methods: Tumor-infiltrating lymphocytes (TILs) were collected from patients with newly diagnosed advanced-stage EOC (YUHS cohort, n=117). This YUHS cohort was compared with The Cancer Genome Atlas (TCGA) data for ovarian serous cystadenocarcinoma (n=482), in terms of survival outcomes and immune-related gene profiles according to status.

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Article Synopsis
  • - The study explored factors that predict early-onset (within 6 months) and delayed-onset (after 6 months) PTSD in patients following physical injuries over two years.
  • - Data was collected from 1142 patients in South Korea, assessing various personal, trauma-related, and psychological factors, with diagnoses made using the Clinician-administered PTSD Scale at multiple follow-up points.
  • - Results showed that early-onset PTSD was more likely in individuals with previous psychiatric issues and higher anxiety, while delayed-onset PTSD was associated with greater injury severity and life stressors, highlighting the need for tailored interventions.
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This study reviews the progress and recent advances in vaginal natural orifice transluminal endoscopic surgery (vNOTES) as a minimally invasive gynecologic procedure. The proposed advantages of vaginal natural orifice transluminal surgery include enhanced cosmesis due to a scarless procedure, better exposure compared with the pure vaginal approach, tolerable pain scores, fewer perioperative complications, and a shorter hospital stay. Recent advances in surgical instrumentation and technology have improved the feasibility of vNOTES as an innovative treatment option for gynecological conditions.

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Article Synopsis
  • PARP inhibitors (PARPis) are becoming the standard treatment for ovarian cancer, and research is focusing on their combination with anti-angiogenic agents and anti-PD-1 therapies in ongoing clinical trials.* -
  • A study analyzed the immune responses of T cells in ovarian cancer patients receiving either PARPi therapy or a newer triple therapy including PARPi, revealing that PARPi reduces regulatory T cells (Tregs) while anti-PD-1 therapy significantly decreases PD-1 expression on Tregs.* -
  • Results indicate that patients with a higher percentage of PD-1 expressing Tregs had worse progression-free survival (PFS) with PARPi alone, but the triple therapy improved PFS, highlighting the combination's effectiveness in managing
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Introduction: This study investigated the potential modifying effects of the serum brain-derived neurotrophic factor (sBDNF) level on the association between methylation status and long-term cardiovascular outcomes in acute coronary syndrome (ACS) patients.

Methods: From 2006 to 2012, hospitalized ACS patients were consecutively recruited. The sBDNF level and methylation status were assessed at baseline in 969 patients who were followed up for major adverse cardiac events (MACEs) over 5-12 years, until 2017 or death.

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This study investigated the potential modifying effects of the level of the serum interleukin-18 (IL-18) on the association between methylation status and long-term cardiovascular outcomes in patients with acute coronary syndrome (ACS). Hospitalized ACS patients were recruited sequentially from 2006 to 2012. At baseline, the IL-18 level and methylation status were evaluated in 969 patients who were followed for major adverse cardiac events (MACEs) for 5-12 years, until 2017 or death.

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