Publications by authors named "Tae-Han Kim"

There are no reports comparing diet recovery between patients who underwent distal gastrectomy (DG) and those who underwent total gastrectomy (TG). The aim of the present study was to compare dietary habits and nutritional status after curative treatment with DG and TG in patients with gastric cancer. We retrospectively collected clinical data from 263 consecutive patients who underwent gastrectomy for gastric cancer without recurrence at a single-center between January 2016 and December 2022.

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This study investigates the role of SMARCD3 in gastric cancer by comparing its expression in signet ring cell (SRC) and well-differentiated (WD) groups within gastric cancer cell lines and tissues. We observed elevated SMARCD3 levels in the SRC group compared to the WD group. Functional analysis was conducted through both SMARCD3 knock-in and knock-out methods.

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Background: Previous studies showed that the prognosis for severe trauma patients is better after transport to trauma centers compared to non-trauma centers. However, the benefit from transport to trauma centers may differ according to age group. The aim of this study was to compare the effects of transport to trauma centers on survival outcomes in different age groups among severe trauma patients in Korea.

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  • - This study investigates Petersen's hernia, which can occur after specific types of stomach surgeries, and compares two methods for preventing bowel obstruction caused by this hernia: the conventional defect closure method and the newer mesenteric fixation method.
  • - Conducted as a randomized controlled trial in Korea, the research includes patients with diagnosed gastric cancer who have undergone certain types of surgical anastomosis and aims to determine the effectiveness of each method in preventing bowel obstruction over a three-year period.
  • - Results from this trial are expected to provide valuable insights on the efficacy and safety of the mesenteric fixation method, potentially establishing it as a superior technique for closing Petersen's defects.
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Background: This study aimed to investigate the impact of the coronavirus disease 2019 (COVID-19) outbreak on the Emergency Medical Service (EMS) system in South Korea. The study focused on the differences in EMS time intervals following the COVID-19 outbreak, particularly for patients with fever.

Methods: A retrospective analysis of EMS patient transportation data from 2017 to 2022 was conducted using the national EMS database.

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  • The study aimed to compare outcomes of laparoscopic primary repair (LPR) versus LPR combined with highly selective vagotomy (LPR-HSV) in patients with perforated duodenal ulcers.
  • A total of 184 patients were analyzed, revealing that LPR-HSV had a longer operation time but significantly shorter hospital stays and quicker recovery in starting soft diets compared to LPR.
  • The findings suggest that LPR-HSV could be a safe option for patients at high risk of ulcer recurrence, without significant differences in complication rates.
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Background: We compared the prognostic accuracy of in-hospital mortality of the initial Sequential Organ Failure Assessment (SOFA) score at the time of sepsis recognition and resuscitation and the maximum SOFA score (SOFA) using the worst variables in the 24 h after the initial score measurement in emergency department (ED) patients with septic shock.

Methods: This was a retrospective observational study using a multicenter prospective registry of septic shock patients in the ED between October 2015 and December 2019. The primary outcome was in-hospital mortality.

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Aim: Extracorporeal life support (ECLS) for out-of-hospital cardiac arrest (OHCA) is increasing. There is little evidence identifying the association between hospital ECLS case volumes and outcomes in different populations receiving ECLS or conventional cardiopulmonary resuscitation (CPR). The goal of this investigation was to identify the association between ECLS case volumes and clinical outcomes of OHCA patients.

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  • This study investigates how the relationship between bystanders and pediatric victims affects neurological outcomes after out-of-hospital cardiac arrests (OHCA).
  • Conducted between 2014 and 2021, the research categorizes bystanders into first responders, family, and laypeople, analyzing data from 1,451 patients.
  • Results show that while family bystanders reported lower neurological recovery rates, no significant differences were found across bystander types, suggesting that bystander relationship doesn't significantly impact recovery outcomes.
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Gastric cancer is one of the most common cancers in Korea and the world. Since 2004, this is the 4th gastric cancer guideline published in Korea which is the revised version of previous evidence-based approach in 2018. Current guideline is a collaborative work of the interdisciplinary working group including experts in the field of gastric surgery, gastroenterology, endoscopy, medical oncology, abdominal radiology, pathology, nuclear medicine, radiation oncology and guideline development methodology.

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  • - This study examined the relationship between red blood cell distribution width (RDW) and the RDW-to-platelet count ratio (RPR) with the prognosis of breast cancer in patients both before and after treatment.
  • - Researchers analyzed data from 395 breast cancer patients, finding that elevated RPR and RDW levels post-treatment were significant indicators of poorer disease-free survival (DFS) and overall survival (OS).
  • - The findings suggest that tracking RDW and RPR after treatment can provide important prognostic information for patients with breast cancer, potentially guiding future treatment options.
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  • High-quality CPR is crucial for patients experiencing out-of-hospital cardiac arrest (OHCA), and this study evaluated CPR quality based on the location of the cardiac arrest (residential vs. non-residential).
  • The study, conducted in Seoul from July 2020 to March 2022, analyzed CPR quality data from defibrillators and found that most OHCA cases occurred in residential areas, with higher no-flow fractions indicating poorer CPR quality in these settings.
  • Results indicated a significant decline in CPR quality during scene evacuation and early ambulance transport, particularly in residential locations where manual CPR was used instead of mechanical devices.
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Introduction: Early diagnosis and intervention by visiting the emergency department (ED) are important for traumatic brain injury (TBI). We evaluate the factors associated with delayed ED visits in patients with intracranial TBI.

Methods: A retrospective multicenter observational study using the ED-based injury in-depth surveillance database (EDIIS) was designed.

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This paper reports on a broadband transmission filter that employs the guided mode resonances pertaining to a terahertz metasurface composed of metallic gold disks with a quartz slab. Unlike structures involving conventional metasurfaces, two identical metasurfaces are placed on the upper and lower sides of a thick quartz slab. This structure can excite both even and odd guided mode resonances.

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Background: Recently, speech and video information recognition technology (SVRT) has developed rapidly. Introducing SVRT into the emergency medical practice process may lead to improvements in health care. The purpose of this study was to evaluate the level of acceptance of SVRT among patients, caregivers and emergency medical staff.

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Aim: Prehospital cardiopulmonary resuscitation is performed from scene arrival to hospital arrival. The diverse prehospital resuscitation phases can affect the quality of chest compressions. This study aimed to evaluate the dynamic changes in chest compression quality during prehospital resuscitation.

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  • * It analyzed data from 83,470 patients and found that better neurologic recovery was associated with shorter transport times; recovery rates decreased as TTI increased.
  • * However, when advanced airway management was used by EMS providers, the negative impact of prolonged TTI on neurological outcomes was not significant.
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This study estimates the effect of a new dispatcher-assisted basic life support training program on the survival outcomes of out-of-hospital cardiac arrest (OHCA). Before-and-after intervention trials were conducted in Seoul. Patients who suffered OHCA in a private place from January 2014 to December 2017 were included.

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  • The study examined the impact of pediatric age on dispatcher recognition of cardiac arrest in out-of-hospital situations, focusing on the importance of dispatcher-assisted cardiopulmonary resuscitation (DA-CPR) for improving outcomes.
  • A total of 2754 pediatric patients under 19 years were analyzed, revealing that recognition rates dropped significantly with increasing age; the highest recognition was in children under 1 year (61.5%), and the lowest in those aged 14-18 years (47.1%).
  • The findings suggest that tailored protocols for dispatchers based on the child’s age and the cause of arrest may enhance recognition rates and improve outcomes in pediatric cardiac arrest situations.
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  • - A 65-year-old woman developed skin changes, including hyperpigmentation and thickening, in her breast 10 years after having breast-conserving surgery and radiotherapy for cancer, raising concerns about several potential conditions including post-irradiation morphea and recurrent cancer.
  • - Despite magnetic resonance imaging (MRI) showing no abnormalities, the patient experienced pain and worsening skin symptoms, leading to a simple mastectomy, which revealed oleoma and post-radiation fibrosis.
  • - The case emphasizes the challenges in differentiating between post-irradiation morphea and oleoma due to the patient's complex medical history, highlighting the need for a multidisciplinary approach to ensure accurate diagnosis.
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The aim of this study was to perform a clinicopathologic analysis of PHLPP1 expression in gastric cancer patients and analyze AKT activity with chemotherapy drug treatment in cancer subtypes. Surgically resected gastric cancer tissue specimens were obtained from 309 patients who underwent gastrectomy, and PHLPP1 expression was validated by tissue microarray analysis with immunohistochemistry. We assessed whether PHLPP1 selectively dephosphorylates Ser473 of AKT in an in-vitro study.

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Delivery of automatic electrical defibrillator (AED) by unmanned aerial vehicle (UAV) was suggested for out-of-hospital cardiac arrest (OHCA). The goal of this study is to assess the effect of topographic and weather conditions on call to AED attach time by UAV-AED. We included OHCA patients from 2013 to 2016 in Seoul, South Korea.

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