Publications by authors named "Woo-Jung Lee"

Background: Employment insecurity is a socioeconomic factor influencing mental health, yet the empirical evidence supporting this claim has important limitations. The fluctuations in employment insecurity throughout the COVID-19 pandemic offered a distinctive opportunity to delve deeper into this issue. By viewing employment as a dynamic process, this study explores the within-person relationship between shifts in employment status and corresponding changes in mental health.

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  • The study investigates the impact of angiotensin system inhibitors (ASIs) on patients with pancreatic ductal adenocarcinoma (PDAC) who underwent surgery, given the aggressive nature of the disease due to a fibrous microenvironment.
  • A total of 410 patients were analyzed, categorized based on ASI usage and hypertension status, but there were no significant differences in clinical characteristics among the groups.
  • Results showed that ASI users had higher 5-year overall survival rates compared to non-users, suggesting ASIs might be a beneficial addition to treatment for PDAC patients with hypertension.
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Purpose: Numerous robot-assisted pancreatic surgery are being performed worldwide. This study aimed to evaluate the feasibility and safety of the Revo-i robot system (Meerecompany, Seoul, Republic of Korea) for advanced pancreatic surgery, and also compare this new system with the existing da Vinci™ robot system (Intuitive Surgical, Sunnyvale, CA, USA) in the context of robot-assisted pancreaticoduodenectomy (RPD).

Materials And Methods: This study was a one-armed prospective clinical trial that assessed the Revo-i robot system for advanced pancreatic surgery.

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Insulin-like growth factor binding protein-3 (IGFBP-3) has been known to inhibit cell proliferation and exert tumor-suppressing effects depending on the cell type. In this study, we aimed to show that IGFBP-3 induces cellular senescence via suppression of the telomerase activity, thereby inhibiting MCF-7 breast cancer cell proliferation. We found that the induction of IGFBP-3 in MCF-7 cells enhanced the loss of cell viability.

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Introduction: Cannabis use in the U.S. rose early in the COVID-19 pandemic, but it is unclear whether that rise was temporary or permanent.

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The hypothalamic kisspeptin/KISS1 receptor system is essential for puberty onset and reproductive development. Although serum kisspeptin might be associated with puberty, its levels, according to developmental stage, and its origin still remain unclear. This study evaluated the changes in serum kisspeptin levels during puberty and the corresponding mRNA and protein expression in various organs of female rats to identify the source of serum kisspeptin.

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Background: This study aims to evaluate sinistral portal hypertension (SPH) development and its clinical impact on the long-term outcomes of patients with pancreatic cancer who underwent surgical resection with splenic vein (SV) ligation. Methods: Data from 94 consecutive patients who underwent pancreatoduodenectomy (PD) with vascular resection for pancreatic cancer from 2008 to 2019 were retrospectively collected. The patients were divided into two groups according to whether the SV was preserved or ligated during the surgery.

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Background: This study aimed to validate and compare the performance of the original fistula risk scores (o-FRS), alternative (a-FRS), and updated alternative FRS (ua-FRS) after open pancreatoduodenectomy (OPD) and laparoscopic pancreatoduodenectomy (LPD) in an Asian patient cohort.

Methods: Data of 597 consecutive patients who underwent PD (305 OPD, 274 LPD) were collected from two tertiary centers. Model performance was assessed using the area under the receiver operating curve (AUC).

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Background: Central pancreatectomy(CP) is more complex surgery and higher complication rate than distal pancreatectomy(DP). However, with the development of minimally invasive surgery, CP has become a safer surgery technique. In this study, we compare minimally invasive CP(MI-CP) and Minimally invasive spleen-preserving subtotal DP(MI-SpSTDP) to figure out the short-term and long-term outcomes of MI-CP.

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  • The study investigates the Systemic Inflammation Response Index (SIRI) as a predictor of prognosis in pancreatic cancer patients who underwent neoadjuvant chemotherapy and surgery.
  • It analyzes pre-neoadjuvant, post-neoadjuvant SIRI values, and their quotients to see how they affect patient survival rates.
  • Results show significant SIRI thresholds that correlate with disease-free and overall survival, suggesting SIRI's potential as a prognostic tool for these patients.
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  • After radical subtotal gastrectomy (RSTG) for stomach cancer, the remaining stomach relies on short gastric vessels for blood supply, raising concerns about ischemic damage during subsequent surgeries.
  • This study explores the safety and feasibility of performing radical distal pancreatosplenectomy (DPS) in patients who have previously undergone RSTG and now have left-sided pancreatic cancer.
  • Limited research exists on this issue, but the aim is to provide insights into the perioperative and long-term survival outcomes of DPS in this patient population, especially as more individuals survive resected gastric cancer.
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  • * The patient underwent neoadjuvant chemotherapy before surgery and successfully had the tumor removed while preserving important blood vessels and the pylorus.
  • * The surgical team reconstructed major blood vessels to maintain blood supply to the stomach, despite the tumor's proximity to them, demonstrating the procedure's feasibility even in complex cases.
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  • Minimally invasive pancreaticoduodenectomy (MIPD) is a complex surgical procedure, and both laparoscopic and robotic-assisted techniques (LPD and RALPD) are being compared for their safety and feasibility.
  • A study involving 257 patients analyzed outcomes between LPD and RALPD from 2012 to 2020, utilizing propensity score matching to ensure reliable results.
  • The findings indicated no significant differences in operation times, blood loss, or complications between the two methods, suggesting that both laparoscopic and robotic approaches are effective and can be used interchangeably in minimally invasive surgeries.
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Purpose: In the past, spleen preservation during distal pancreatectomy (DP) was preferred; however, more recent studies reported comparable results between splenectomy and spleen preserving. We retrospectively reviewed patients in a single center who underwent laparoscopic DP with/without splenectomy, and evaluated the chronologic changes of surgical outcomes of the two procedures.

Materials And Methods: Patients who underwent laparoscopic DP with or without splenectomy due to benign/borderline tumor from 2005 to 2019 were included in this study.

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  • Laparoscopic pancreaticoduodenectomy is a safe and effective alternative to the traditional open surgery, showing similar results for cancer treatment.
  • There are documented cases where the hepatic artery is excised during this procedure for patients with periampullary cancer.
  • This report highlights the case of an 82-year-old patient who had successful laparoscopic pancreaticoduodenectomy after a preoperative procedure to block an abnormal right hepatic artery.
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Laparoscopic pancreatoduodenectomy (LPD) in pancreatic cancer is primarily criticized for its technical and oncological safety. Although solid evidence has not yet been established, many institutions are performing LPD for pancreatic cancer patients, with continuous efforts to ensure oncologic safety. In this video, we demonstrated a case of standard LPD combined with vascular resection in pancreatic cancer.

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Neighborhood disadvantage is a developmental context that may contribute to Asian American adolescent internalizing problems, yet there is a dearth of longitudinal studies as well as examination of cultural protective factors. Co-ethnic density, or the proportion of individuals of the same racial/ethnic background in the neighborhood that is often cited as a protective factor for racial/ethnic minority groups, has not been adequately examined in Asian American youth. This study examined the longitudinal association between cumulative neighborhood risk and internalizing behavior, and the moderating role of sex and co-ethnic density using an Asian American subsample (N = 177; 45.

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Background: /Purpose: Owing to the characteristics of IPMNs, which have variable skipped lesions along the main pancreatic duct (MPD), determining the surgical margins is very difficult. This study aimed to investigate the efficacy and potential oncologic impact of intraoperative pancreatoscopy (IOP) compared to frozen section biopsy (FSB) in pancreaticoduodenectomy (PD) for pancreatic head IPMNs.

Methods: Data of patients who underwent PD for IPMNs of the pancreas between October 2007 and May 2020 were retrospectively reviewed.

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Childhood adversities have a well-established dose-response relationship with later mental health. However, less attention has been given to intergenerational influences. Further, it is unknown how intergenerational influences intersect with children's developmental stages and gender.

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Several treatment guidelines for sporadic, nonmetastatic nonfunctioning neuroendocrine tumors of the pancreas (NF-pNETs) have recommended resection, however, tumors ≤ 2 cm do not necessarily need surgery. This study aims to establish a surgical treatment plan for NF-pNETs ≤ 2 cm. From 2000 to 2017, 483 patients who underwent resection for NF-pNETs ≤ 2 cm in 18 institutions from Korea and China were enrolled and their medical records were reviewed.

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School climates are important for children's socioemotional development and may also serve as protective factors in the context of adversity. Nevertheless, little is known about the potential neural mechanisms of such associations, as there has been limited research concerning the relation between school climate and brain structure, particularly for brain regions relevant for mental health and socioemotional functioning. Moreover, it remains unclear whether the role of school climate differs depending on children's socioeconomic status.

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