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Assessment of Objective Audiometry to Predict Subjective Satisfaction in Patients With Hearing Aids

Kwak MY, Choi WR, Park JW, Hwang EJ, Ha YR, Chung JW, Kang WS

Objectives. To investigate the correlation of objective audiometry with user satisfaction as measured with the questionnaire scores. Methods. Twenty patients with hearing loss, who agreed to wear a hearing aid and...
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Does delta neutrophil index predict 30-day mortality in patients admitted tointensive care unit via emergency department?

Yoon YT, Kim YS, Ha YR, Shin TY, Jung RB, Lee KH, Yu WS, Kim D

  • KMID: 2500264
  • J Korean Soc Emerg Med.
  • 2020 Apr;31(2):152-160.
Objective: A retrospective study was performed to evaluate the usefulness of the delta neutrophil index as a prognostic factor for mortality in intensive care unit patients admitted via the emergency department. Methods:...
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Clinical Guidance for Point-of-Care Ultrasound in the Emergency and Critical Care Areas after Implementing Insurance Coverage in Korea

Choi WJ, Ha YR, Oh JH, Cho YS, Lee WW, Sohn YD, Cho GC, Koh CY, Do HH, Jeong WJ, Ryoo SM, Kwon JH, Kim HM, Kim SJ, Park CY, Lee JH, Lee JH, Lee DH, Park SY, Kang BS

Point-of-care ultrasound (POCUS) is a useful tool that is widely used in the emergency and intensive care areas. In Korea, insurance coverage of ultrasound examination has been gradually expanding in...
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Validation of Glasgow-Blatchford score, Pre-Rockall score, and AIMS65 score to predict active bleeding in patients with upper gastrointestinal bleeding in normotensive patients and suggestion for developing new predictors

Kim D, Ha YR, Ahn JH, Kim YS, Shin TY, Jung RB, Lee KH, Yu W, Yoon YT

OBJECTIVE: The aim of this study was to validate the Glasgow-Blatchford score (GBS), Pre-Rockall score (PRS), and AIMS65 score to predict active bleeding in patients with normotension and upper gastrointestinal...
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Can clinical scoring systems improve the diagnostic accuracy in patients with suspected adult appendicitis and equivocal preoperative computed tomography findings?

Chae MS, Hong CK, Ha YR, Chae MK, Kim YS, Shin TY, Ahn JH

OBJECTIVE: Adult appendicitis (AA) with equivocal computed tomography (CT) findings remains a diagnostic challenge for physicians. Herein we evaluated the diagnostic performance of several clinical scoring systems in adult patients...
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Does the use of bedside ultrasonography reduce emergency department length of stay for patients with renal colic?: a pilot study

Park YH, Jung RB, Lee YG, Hong CK, Ahn JH, Shin TY, Kim YS, Ha YR

OBJECTIVE: The aim of this study was to evaluate the effect of adding bedside ultrasonography to the diagnostic algorithm for nephrolithiasis on emergency department (ED) length of stay. METHODS: A prospective,...
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Proangiogenic cells enhanced persistent and physiologic neovascularization compared with macrophages

Choi YE, Cha YR, Lee KM, Kim HJ, Yoon CH

Proangiogenic cells (PACs) display surface markers and secrete angiogenic factors similar to those used by myelomonocytic cells, but, unlike myelomonocytic cells, PACs enhance neovascularization activity in experimental ischemic diseases. This...
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Effect of Farnesyltransferase Inhibitor R115777 on Mitochondria of Plasmodium falciparum

Ha YR, Hwang BG, Hong Y, Yang HW, Lee SJ

The parasite Plasmodium falciparum causes severe malaria and is the most dangerous to humans. However, it exhibits resistance to their drugs. Farnesyltransferase has been identified in pathogenic protozoa of the...
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Current Status on Studies of Bereaved Family in Korea: Research Trends for 1994-2013

Cha YR

PURPOSE: This study was conducted to identify the current status of studies of bereaved families in Korea. METHODS: We reviewed 97 studies of bereaved families, which were published between 1994 and...
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A Point of Care Ultrasound During Catheterization of Internal Jugular Vein; Sonographic Assessment of the Venous Excavation (SAVE) Protocol

Jo MS, Doh HH, Seo JS, Lee SH, Kim HY, Ha YR

  • KMID: 2333839
  • J Korean Soc Emerg Med.
  • 2014 Jun;25(3):291-298.
PURPOSE: Central venous catheterization (CVC) plays important roles in treatment of critically ill patients. Although use of ultrasound has led to a decrease in CVC related complications, adverse events still...
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Detection of Heparin in the Salivary Gland and Midgut of Aedes togoi

Ha YR, Oh SR, Seo ES, Kim BH, Lee DK, Lee SJ

  • KMID: 1792166
  • Korean J Parasitol.
  • 2014 Apr;52(2):183-188.
Mosquitoes secrete saliva that contains biological substances, including anticoagulants that counteract a host's hemostatic response and prevent blood clotting during blood feeding. This study aimed to detect heparin, an anticoagulant...
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Dexmedetomidine Preconditioning Attenuates Cisplatin-Induced Ototoxicity in Zebrafish

Min TJ, Kim WY, Ha YR, Jeong IY, Yoo JY

OBJECTIVES: Utilisation of high-frequency drills is known to increase noise induced hearing loss due to increasing the damages of inner ear cells. This study aimed to investigate whether preconditioning by...
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Optimal Insertion Angle between the Skin and Needle in Ultrasound-Guided Internal Jugular Vein Catheterization with Trauma Patients

Jeon HM, Jung SM, Jung RB, Jeon J, Hong CK, Shin TY, Ha YR, Kim YS

  • KMID: 2297796
  • J Korean Soc Traumatol.
  • 2013 Sep;26(3):183-189.
PURPOSE: The aim of this study was to identify the optimal insertion angle between the skin and the needle in ultrasound-guided internal jugular vein (IJV) catheterization with trauma patients. METHODS: From...
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The Superiority of the Laryngeal Mask Airway to the Pentax(R)AirwayScope Used by an Unskilled Pre-hospital Rescuer: A Randomized, Controlled, Crossover Mannequin Study

Hwang SY, Shin TY, Ha YR, Kim YS, Jeong HH, Kim JH, Lee KY, Lee YH, Hong CK

  • KMID: 2333490
  • J Korean Soc Emerg Med.
  • 2013 Aug;24(4):446-452.
INTRODUCTION: Recent studies have highlighted the use of a video laryngoscope, a promising airway device that enables faster intubation than a Macintosh laryngoscope without the cessation of chest compressions. The...
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Bedside Sonographic Characteristics of Early and Late Appendicitis

Jung SM, Jeon HM, Hong CK, Shin TY, Ha YR, Kim YS, Paik SY

  • KMID: 2191964
  • J Korean Soc Emerg Med.
  • 2013 Oct;24(5):539-547.
PURPOSE: Studies on the relationship between appendiceal inflammation and bedside ultrasonographic findings are lacking. The purpose of this study was to determine statistically significant parameters to diagnose appendicitis earlier by...
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Initial evaluation of a trauma patient using an ultrasound

Ha YR

  • KMID: 2342150
  • J Korean Med Assoc.
  • 2012 Nov;55(11):1097-1112.
Bedside ultrasonographic examination is known to be a quick, noninvasive, cost-effective, repeatable, and harmless diagnostic modality. It can be a powerful tool for clinicians, especially in time-dependent situations including trauma....
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Analysis of Prognostic Factors Early in Emergency Department (ED) and Late in Intensive Care Unit (ICU) of the Critically Ill Patients Admitted in the ICU via ED

Jeong RB, An JH, Jun HM, Jeong SM, Shin TY, Kim YS, Ha YR

BACKGROUND: Many critically ill patients in the ED are hospitalized to the ICU, but most prognosis predicting systems have been developed based on the physiochemical variables of the critically ill...
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Prognostic Factors for Mortality in Emergency Department Patients with Hypotension

Park DH, Ha YR, Kim YS, Shin TY, Oh SH, Choi SS, No SY

BACKGROUND: This study was performed to analyze the effects of differences between initial and follow up amounts of central venous oxygen saturation (Scvo2), lactate, anion gap (AG), and corrected anion...
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Development of an Emergency Abdominal Ultrasound Course in Korea: 1-Year Experience

Kim JS, Cho YS, Kim YS, Ha YR, Kang BS, Chung HS, Park YS, An JH, Do HH, Hong HP

  • KMID: 2332757
  • J Korean Soc Emerg Med.
  • 2010 Jun;21(3):382-387.
PURPOSE: This report describes our 1-year experience with an emergency abdominal ultrasound course that we developed for emergency medicine residents and physicians. METHODS: The five-hour course consisted of didactic lectures and...
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The Current Status and Activities of Emergency Physician-Performed Ultrasonography in Seoul and Gyeong-gi do

Lee JJ, Kang BS, Cho YS, Lee YJ, Lee JH, Park YS, Chung HS, Ha YR, Kim YS, Ahn JH

  • KMID: 2332708
  • J Korean Soc Emerg Med.
  • 2010 Apr;21(2):166-174.
PURPOSE: There have been reports that have focused on the usefulness of ultrasonography (US), yet there are no reports on its current status and activities. This study evaluated the current...
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