Publications by authors named "You Hwan Jo"

Early risk stratification is crucial due to septic patients' heterogeneity. Serum albumin level may reflect the severity of sepsis and host status. This study aimed to evaluate the prognostic ability of the initial sequential organ failure assessment (SOFA) score alone and combined with serum albumin levels for predicting 28-day mortality in patients with septic shock.

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Objectives: Hypothermia is associated with poor outcomes in sepsis patients, and hypothermic sepsis patients exhibit temperature alterations during initial treatment. The objective of this study was to classify hypothermic sepsis patients based on body temperature trajectories and investigate the associations of these patients with 28-day mortality.

Methods: This was a retrospective analysis of prospectively collected data from adult sepsis or septic shock patients who visited three emergency departments between August 2014 and December 2019.

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Objectives: To determine whether there is a difference in antibiotic administration time and prognosis in afebrile sepsis patients compared to febrile sepsis patients.

Methods: This was retrospective multicenter observational study. Data collected from three referral hospitals.

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Purpose: Proper antibiotic administration is crucial for sepsis management. Given the escalating incidence of antimicrobial resistance, there is a pressing need for indicators of antimicrobial susceptibility with short turnaround times. This study aimed to investigate the potential of soluble triggering receptor expressed on myeloid cells-1 (sTREM-1) as an early biomarker for in vivo antibiotic susceptibility in patients with sepsis.

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Objectives: To study the impact of a restrictive calcium replacement protocol in comparison with a liberal one in patients with septic shock.

Material And Methods: Multicenter retrospective before-after study that estimated the impact of implementing a restrictive calcium replacement protocol in patients with septic shock. Patients admitted to an intensive care unit between May 2019 and April 2021 were assigned to liberal calcium replacement, and those admitted between May 2021 and April 2022 were assigned to a restrictive protocol.

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Background: There is a lack of evidence-based guidelines for the administration methods of ceftriaxone in emergency departments (EDs), resulting in the reliance on individual institutional protocols for decision-making.

Objective: This study was performed to compare the effects of administering ceftriaxone via intravenous push (IVP) and intravenous piggyback (IVPB) on 28-day mortality in patients with sepsis.

Methods: This was a retrospective study of patients aged 18 years or older with sepsis or septic shock who visited an ED and were treated with ceftriaxone as an initial antibiotic between March 2010 and February 2019.

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Sex differences in the in-hospital management of sepsis exist. Previous studies either included patients with sepsis that was defined using previous definitions of sepsis or evaluated the 3-h bundle therapy. Therefore, this study sought to assess sex differences in 1-h bundle therapy and in-hospital management among patients with sepsis and septic shock, defined according to the Sepsis-3 definitions.

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Background: Out-of-hospital cardiac arrest (OHCA) is a significant public health issue worldwide and is associated with low survival rates and poor neurological outcomes. The generation of optimal coronary perfusion pressure (CPP) via high-quality chest compressions is a key factor in enhancing survival rates. However, it is often challenging to provide adequate CPP in real-world cardiopulmonary resuscitation (CPR) scenarios.

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Purpose: Early identification of sepsis with a poor prognosis in the emergency department (ED) is crucial for prompt management and improved outcomes. This study aimed to examine the predictive value of sequential organ failure assessment (SOFA), quick SOFA (qSOFA), lactate to albumin ratio (LAR), C-reactive protein to albumin ratio (CAR), and procalcitonin to albumin ratio (PAR), obtained in the ED, as predictors for 28-day mortality in patients with sepsis and septic shock.

Materials And Methods: We included 3499 patients (aged ≥19 years) from multicenter registry of the Korean Shock Society between October 2015 and December 2019.

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Background: Rapid electrocardiography diagnosis within 10 minutes of presentation is critical for acute myocardial infarction (AMI) patients in the emergency department (ED). However, the coronavirus disease 2019 (COVID-19) pandemic has significantly impacted the emergency care system. Screening for COVID-19 symptoms and implementing isolation policies in EDs may delay the door-to-electrocardiography (DTE) time.

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Article Synopsis
  • Airway procedures are critical for saving lives, and video laryngoscopy (VL) is essential for endotracheal intubation (ETI) in emergencies.
  • This study developed an AI algorithm using the YOLOv4 model to detect vocal cords from VL images, analyzing a dataset of 20,161 images from 84 patients.
  • The algorithm showed strong performance with an F1 score of 0.906 during validation and 0.808 in the test set, indicating it could help ensure safe ETI.
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  • The study investigates how blood viscosity affects stroke outcomes and its clinical usefulness when measured at hospital arrival.
  • Among 112 patients suspected of having a stroke, blood viscosity was significantly higher in those with ischemic stroke compared to those diagnosed with stroke mimics.
  • The findings suggest that measuring blood viscosity can help differentiate ischemic stroke from other conditions, as it correlates with different shear rates at various frequencies.
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The initiation of palliative care (PC) in the emergency department (ED) is effective in improving the quality of life for seriously ill patients. This study aimed to evaluate the prognostic value of the modified surprise question (mSQ), "Would you be surprised if this patient died in the next 30 days?" as a trigger for initiating PC in critically ill ED patients. We conducted a prospective cohort study over a 6-month period in an ED, during which 22 emergency residents answered the mSQ for critically ill ED patients (Korean Triage and Acuity Scale 1 or 2).

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Objective: Endotracheal intubation (ETI) is critical to secure the airway in emergent situations. Although artificial intelligence algorithms are frequently used to analyze medical images, their application to evaluating intraoral structures based on images captured during emergent ETI remains limited. The aim of this study is to develop an artificial intelligence model for segmenting structures in the oral cavity using video laryngoscope (VL) images.

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Objective: : With general aging of the population, emergency department (ED) utilization by elderly patients is increasing. In this study, we analyzed data on ED visits of patients aged 65 years and older in Korea.

Methods: : The study is a retrospective analysis of National Emergency Department Information System (NEDIS) data from 2018-2022, focusing on patients aged 65 years and older who visited EDs across Korea.

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Background: Retrospective studies have demonstrated that the deep learning-based cardiac arrest risk management system (DeepCARS™) is superior to the conventional methods in predicting in-hospital cardiac arrest (IHCA). This prospective study aimed to investigate the predictive accuracy of the DeepCARS™ for IHCA or unplanned intensive care unit transfer (UIT) among general ward patients, compared with that of conventional methods in real-world practice.

Methods: This prospective, multicenter cohort study was conducted at four teaching hospitals in South Korea.

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Although the Surviving Sepsis Campaign guidelines provide standardized and generalized guidance, they are less individualized. This review focuses on recent updates in the hemodynamic management of septic shock. Monitoring and intervention for septic shock should be personalized according to the phase of shock.

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Aim: Prehospital management of out-of-hospital cardiac arrest (OHCA) is based on basic life support, with the addition of advanced life support (ALS) if possible. This study aimed to investigate the effect of delayed arrival of ALS on neurological outcomes of patients with OHCA at hospital discharge.

Methods: This was a retrospective study of a registry of patients with OHCA.

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Background: Currently, there is no consensus on the number of defibrillation attempts that should be made before transfer to a hospital in patients with out-of-hospital cardiac arrest (OHCA). This study aimed to evaluate the association between the number of defibrillations and a sustained prehospital return of spontaneous circulation (ROSC).

Methods: A retrospective analysis of a multicentre, prospectively collected, registry-based study in Republic of Korea was conducted for OHCA patients with prehospital defibrillation.

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Article Synopsis
  • The study investigates how muscle and fat composition affect neurologic outcomes in patients who experienced out-of-hospital cardiac arrest (OHCA).
  • Conducted from April 2019 to June 2021, it analyzed the total skeletal muscle and fat ratios of 66 resuscitated patients using a bioimpedance analyzer.
  • Results indicated that a higher proportion of lower limb muscle relative to body weight was linked to better neurologic outcomes, suggesting a potential predictive marker for recovery.
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Objective: A new blind intubation device (BID) has been developed for endotracheal intubation. This study aimed to test the usability of the BID in comparison to direct laryngoscopy (DL) and video laryngoscopy (VL) with inexperienced healthcare providers for endotracheal intubation.

Methods: This was a randomized crossover simulation study.

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Introduction: This study was performed to investigate the predictors of 1-year mortality at discharge in sepsis survivors. Methods: This study was a retrospective analysis of patients with sepsis and septic shock at a single center. Patients who survived hospitalization for sepsis or septic shock between January 2016 and December 2017 were included in this study.

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This study aimed to determine the impact of modifications in emergency department (ED) practices caused by the coronavirus disease 2019 (COVID-19) pandemic on the clinical outcomes and management of patients with septic shock. We performed a retrospective study. Patients with septic shock who presented to the ED between 1 January 2018 and 19 January 2020 were allocated to the pre-COVID-19 group, whereas those who presented between 20 January 2020 and 31 December 2020 were assigned to the post-COVID-19 group.

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A reliable prognostic score for minimizing futile treatments in advanced cancer patients with septic shock is rare. A machine learning (ML) model to classify the risk of advanced cancer patients with septic shock is proposed and compared with the existing scoring systems. A multi-center, retrospective, observational study of the septic shock registry in patients with stage 4 cancer was divided into a training set and a test set in a 7:3 ratio.

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