Publications by authors named "Yun Tae Jung"

Background: In emergency general surgery (EGS), rapid judgement and prompt emergency surgery play a significant role in determining the patient's prognosis. This study aimed to evaluate whether implementing the acute care surgery (ACS) system in Korea has improved the clinical outcomes of patients.

Methods: This retrospective cohort study was conducted at three tertiary hospitals in Korea.

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Background: Despite recent advances and global improvements in sepsis recognition and supportive care, mortality rates remain high, and adherence to sepsis bundle components in Korea is low. To address this, the Korean Sepsis Alliance, affiliated with the Korean Society of Critical Care Medicine, developed the first sepsis treatment guidelines for Korea based on a comprehensive systematic review and meta-analysis.

Methods: A de novo method was used to develop the guidelines.

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species account for approximately 15% of hospital-associated infections, causing fatal consequences, especially in critically ill patients. This study aimed to evaluate invasive candidiasis (IC) risk factors in critically ill patients undergoing surgery. We retrospectively reviewed the medical records of 583 patients who underwent emergency surgery for complicated intra-abdominal infections between January 2016 and December 2021.

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Article Synopsis
  • A nationwide study in Korea was conducted to compare laparoscopic emergency surgery (LES) with open abdominal emergency surgery (OES), analyzing data from 2,122 patients across three hospitals from 2014 to 2019.
  • The results showed that 60.3% of patients underwent OES, with the small bowel being the most commonly operated organ, while the appendix was most common for LES, particularly in appendectomies (93.7% LES) and cholecystectomies (88.0% LES).
  • The study found that while LES practices in Korea are similar to global trends for some surgeries, differences exist in gastric and colorectal surgeries, highlighting the need for further research to understand these vari
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Purpose: Perforation and obstruction in colorectal cancer are poor prognostic factors. We aimed to evaluate the oncological outcomes of patients with colon cancer presenting with perforation or obstruction.

Methods: A total of 260 patients underwent surgery for colon cancer between January 2015 and December 2017.

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Background: Coronavirus disease 2019 (COVID-19) is generally asymptomatic or mild in otherwise healthy children, however, severe cases may occur. In this study, we report the clinical characteristics of children classified as critical COVID-19 in Korea to provide further insights into risk factors and management in children.

Methods: This study was a retrospective case series of children < 18 years of age classified as critical COVID-19.

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Background & Aims: Adequate nutritional provision is important for critically ill patients to improve clinical outcomes. Starting enteral nutrition (EN) as early as possible is recommended and preferred to parenteral nutrition (PN). However, patients who undergo emergency abdominal operations may have alterations in their intra-abdominal environment and gastrointestinal motility leading to limitation in starting an enteral diet.

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Purpose: To compare the mortality rates between culture-positive and culture-negative sepsis in complicated intra-abdominal infections (cIAI) and investigate the predictors of culture-positivity and their causative microorganisms.

Materials And Methods: The medical records of 1581 adult patients who underwent emergency gastrointestinal surgery between January 2013 and December 2018 were reviewed retrospectively. A total of 239 patients with sepsis or septic shock who were admitted to an emergency department, underwent emergency surgery for cIAI, and needed postoperative intensive care unit care were included and divided into two groups according to their initial blood and peritoneal culture results.

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Background: Postoperative fluid overload may increase the risk of developing pulmonary complications and other adverse outcomes. We evaluated the impact of excessive fluid administration on postoperative outcomes in critically ill patients.

Methods: We reviewed the medical records of 320 patients admitted to intensive care unit (ICU) after emergency abdominal surgery for complicated intra-abdominal infection (cIAI) between January 2013 and December 2018.

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Aims: To promote effective methods to improve overutilization patterns of acid-suppressive therapy in hospitalized patients and to evaluate the impact of multidisciplinary team efforts to reduce inappropriate use of stress ulcer prophylaxis in low-risk patients.

Methods: A multidisciplinary quality improvement initiative incorporating education, medication use reviews and reconciliation, and pharmaceutical intervention was implemented in June 2018 for surgical patients hospitalized via emergency department. For the pre-post analysis and time series analysis, patients admitted during April and May were classified into the pre-intervention cohort and those admitted during July and August into the post-intervention cohort.

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Low serum selenium levels are commonly observed in critically injured multiple trauma patients. This study aimed to identify the association between initial serum selenium levels and in-hospital infectious complications in multiple trauma patients. We retrospectively reviewed multiple trauma patients admitted between January 2015 and November 2017.

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Modified NUTRIC (mNUTRIC) score is a useful assessment tool to determine the risk of malnutrition in patients on mechanical ventilation (MV). We identified associations between postoperative calorie adequacy, 30-day mortality, and surgical outcomes in patients with high mNUTRIC scores. Medical records of 272 patients in the intensive care unit who required MV support for >24 h after emergency gastro-intestinal (GI) surgery between January 2007 and December 2017 were reviewed.

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Mechanical ventilation (MV) is the most common therapeutic modality used for critically ill patients. However, prolonged MV is associated with high morbidity and mortality. Therefore, it is important to avoid both premature extubation and unnecessary prolongation of MV.

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Article Synopsis
  • - The study aimed to evaluate whether combining the quick sequential organ failure assessment (qSOFA) with plasma lactate levels could better predict mortality in patients needing emergency surgery for complex intra-abdominal infections compared to using qSOFA alone.
  • - Data from 457 patients were reviewed, revealing that the combined score performed significantly better (AUROC of 0.754) than qSOFA alone (AUROC of 0.717) in predicting mortality during hospitalization.
  • - The combined score showed increased sensitivity (72%) compared to qSOFA (46%), illustrating its effectiveness as a more reliable tool for assessing patient risk in these critical cases.
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Aim: To investigate retrospectively the long-term efficacy of various treatment strategies using adefovir dipivoxil (adefovir) in patients with lamivudine-resistant chronic hepatitis B.

Methods: We included 154 consecutive patients in two treatment groups: the "add-on" group (n = 79), in which adefovir was added to ongoing lamivudine treatment due to lamivudine resistance, and the "switch/combination" group (n = 75), in which lamivudine was first switched to adefovir and then re-added later as needed. The "switch/combination" group was then divided into two subgroups depending on whether participants followed (group A, n = 30) or violated (group B, n = 45) a proposed treatment strategy that determined whether to add lamivudine based on the serum hepatitis B virus (HBV) DNA levels (< 60 IU/mL or not) after 6 mo of treatment (roadmap concept).

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Herbs are widely used as treatments for various symptoms. However, several herbs have been reported to be inducers of liver injury. We report herein a case of hepatotoxicity induced by Corydalis speciosa Max.

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