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https://www.readbyqxmd.com/read/28435902/emergency-medical-service-personnel-need-to-improve-knowledge-and-attitude-regarding-prehospital-sepsis-care
#1
Joongmin Park, Sung Yeon Hwang, Tae Gun Shin, Ik Joon Jo, Hee Yoon, Tae Rim Lee, Won Chul Cha, Min Seob Sim
OBJECTIVE: We aimed to evaluate the knowledge and attitudes of emergency medical service (EMS) personnel pertaining to sepsis. We also compared EMS personnel's knowledge of sepsis and their intention to engage in prehospital sepsis management. METHODS: The survey was conducted during education conferences for EMS personnel in December 2013 and January 2015 in Seoul, Korea. The questionnaire composed of 10 questions relevant to sepsis, was distributed on-scene, and was retrieved by investigators after the conference...
March 2017: Clinical and Experimental Emergency Medicine
https://www.readbyqxmd.com/read/28435618/comparative-study-of-abutment-screw-loosening-with-or-without-adhesive-material
#2
Mahnaz Arshad, Gholamreza Shirani, Sina Refoua, Mohammadreza Rahimi Yeganeh
PURPOSE: The purpose of this study was to achieve more retention and stability and to delay or prevent screw loosening. MATERIALS AND METHODS: Twenty implants (Implantium 3.4 mm, Dentium, Seoul, Korea) were divided into 2 groups (n = 20). In the first group, an adhesive material was applied around the screw of the abutments (test group). In the second group, the screws are soaked in saliva (control group). All the screws were torqued under 30 N/cm, Then, the samples were gone through a cyclic fatigue loading process...
April 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/28432994/assessment-of-temporal-variation-for-the-risk-of-particulate-matters-on-asthma-hospitalization
#3
Hyomi Kim, Honghyok Kim, Yoon-Hyung Park, Jong-Tae Lee
Increased ambient concentration of particulate matters are considered as one of major causes for increased prevalence or exacerbation of asthma or asthma like symptoms. Recently, possible temporal variation in risks of PM on mortality has been suggested. We investigated short-term effect of both PM10 and PM2.5 on asthma hospitalization, and assessed temporal variation of PM risks in Seoul, Korea, 2003-2011. Generalized additive model was used to estimate PM risks on asthma hospitalization with consideration by long-term trend, influenza epidemic, day of week, meteorological factors...
April 19, 2017: Environmental Research
https://www.readbyqxmd.com/read/28431130/safety-concerns-with-thoracoabdominal-acupuncture-experience-at-a-tertiary-care-emergency-department
#4
Hak Jin Lee, Youn-Jung Kim, Won Young Kim
Objective.:  To evaluate serious complications caused by acupuncture treatment and to increase awareness of this complication. Design.:  A retrospective observational study. Setting. : At the emergency department of a tertiary hospital in an urban area during a five-year period (2010-2014) in Seoul, Korea. Subjects.:  Patients with postacupuncture mechanical complications in the thoracoabdominal region. Methods...
April 19, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28428108/the-gene-copy-number-of-c-met-has-a-significant-impact-on-progression-free-survival-in-korean-patients-with-ovarian-carcinoma
#5
Wook Youn Kim, Seung-Hyuk Shim, Ho Young Jung, Meari Dong, Soo-Nyung Kim, Sun Joo Lee
The aim of this study was to compare the protein overexpression and gene copy number (GCN) of c-MET in ovarian carcinoma and to assess their prognostic roles in Korean women. MET protein expression and GCN status were determined using immunohistochemistry (IHC) and silver in situ hybridization (SISH), respectively, in 105 ovarian carcinomas comprising 63 serous, 12 mucinous, 20 clear cell, and 10 endometrioid carcinomas. All cases had been treated and followed up at a single institute in Seoul, Korea. MET protein overexpression was observed in 35 of 105 (33...
April 17, 2017: Human Pathology
https://www.readbyqxmd.com/read/28420189/demographic-and-environmental-factors-associated-with-mental-health-a-cross-sectional-study
#6
Jayeun Kim, Ho Kim
Relevant demographic and environmental conditions need to be understood before tailoring policies to improve mental health. Using community health survey data from 25 communities in Seoul, 2013, cross-sectional associations between mental health and community level environments were assessed. Mental health outcomes (self-rated stress levels (SRS) and depressive symptoms (DS)) were analyzed. Community environmental factors included green space, green facilities, and annual PM10 level (AnnPM10); socio-demographic factors included sex, age, education, labor market participation, comorbidity, sleep hours, physical activity, smoking, and drinking...
April 17, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28416960/medical-thoracoscopy-in-pleural-disease-experience-from-a-one-center-study
#7
Soo Jung Kim, Sun Mi Choi, Jinwoo Lee, Chang-Hoon Lee, Sang-Min Lee, Jae-Joon Yim, Chul-Gyu Yoo, Young Whan Kim, Sung Koo Han, Young Sik Park
BACKGROUND: Medical thoracoscopy (MT) is a minimally invasive, endoscopic procedure for exploration of the pleural cavity under conscious sedation and local anesthesia. MT has been performed at the Seoul National University Hospital since February 2014. This paper summarizes the findings and outcomes of MT cases at this hospital. METHODS: Patients who had undergone MT were enrolled in the study. MT was performed by pulmonologists, using both rigid and semi-rigid thoracoscopes...
April 2017: Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28414571/the-novel-technique-of-transabdominal-preperitoneal-hernioplasty-herniorrhaphy-for-direct-inguinal-hernia-suture-repair-of-hernia-defect-wall
#8
Sung Ryul Lee, Sung-Soo Park
BACKGROUND: Conventional laparoscopic surgeries of direct inguinal hernia include two methods, transabdominal preperitoneal hernioplasty (TAPP) and totally extraperitoneal hernioplasty. Both methods are performed using synthetic mesh without suturing the hernia defect and require extensive mesh coverage for not only Hesselbach's triangle but also indirect ring. For minimally invasive operation, suture of direct hernia defect was devised and performed. The purpose of this study is to evaluate the efficacy of defect wall suture of laparoscopic herniorrhaphy for direct inguinal hernia patients...
April 17, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28412235/evaluation-of-the-efficacy-of-a-metal-artifact-reduction-algorithm-in-different-cone-beam-computed-tomography-scanning-parameters
#9
Polyane Mazucatto Queiroz, Francisco Carlos Groppo, Matheus Lima Oliveira, Francisco Haiter-Neto, Deborah Queiroz Freitas
OBJECTIVE: The aim of this study was to evaluate the efficacy of a metal artifact reduction (MAR) algorithm in cone beam computed tomography (CBCT) images of dental materials obtained with different field-of-view (FOV) and voxel sizes. STUDY DESIGN: Two imaging phantoms were custom-made of acrylic resin. Each phantom had 3 cylinders made of the same dental material: dental amalgam or copper-aluminum alloy. CBCT scans were obtained separately for each of the imaging phantoms using the Picasso-Trio CBCT (Vatech, Hwaseong, Republic of Korea) unit at 4 FOV sizes and 2 voxel sizes...
March 9, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28412030/simple-quantification-method-for-n-nitrosamines-in-atmospheric-particulates-based-on-facile-pretreatment-and-gc-ms-ms
#10
Youngmin Hong, Kyung Hwan Kim, Byoung-In Sang, Hyunook Kim
Nine N-nitrosamines (i.e., N-nitrosomethylamine, N-nitrosodiethylamine (NDEA), N-nitrosodimethylamine (NDMA), N-nitrosodi-n-propylamine (NDPA), N-nitrosomorpholine (NMor), N-nitrosopyrrolidine (NPyr), N-nitrosopiperidine (NPip), N-nitorosodi-n-butylamine (NDBA), and N-nitrosodiphenylamine (NDPhA) in atmospheric PM2.5 collected in the fall season from an roadside site and a residential in Seoul, Korea have been analyzed using a newly developed method consisting of simple direct liquid extraction assisted by ultrasonication and subsequent quantification using a gas chromatography-triple quadrupole mass spectrometry (GC-TQMS)...
April 13, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28411339/validation-of-a-novel-endoscopic-program-for-measuring-the-size-of-gastrointestinal-lesions
#11
Hyungchul Park, Ji Yong Ahn, Hyungil Seo, Gyu Young Pih, Hee Kyong Na, Jeong Hoon Lee, Kee Wook Jung, Do Hoon Kim, Kee Don Choi, Ho June Song, Gin Hyug Lee, Hwoon-Yong Jung, Jisuk Lee, Jinwoo Jeong, Seon Ok Kim, Jung Bok Lee
BACKGROUND: Valid and reliable methods for measurement of lesion sizes during endoscopy have not been established. METHODS: We developed a novel software program (ENDOVER; Poinbionics, Seoul, Republic of Korea) to measure lesions sizes and assessed its validity and reliability. To validate the program, we measured standard coin sizes and estimated measurement errors. To assess program reliability, 32 pictures of endoscopically resected specimens were used to measure tissue sizes six times in a 24-h interval by two examiners...
April 14, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28410724/effects-of-senofilcon-a-mechanical-protector-on-corneal-endothelial-cells-during-phacoemulsification-in-rabbit-eyes-pilot-study
#12
Seonghwan Kim, Deoksun Cha, Young Bin Song, Jung Yeol Choi, Young Keun Han
PURPOSE: To evaluate the effects of a senofilcon A mechanical protector against corneal endothelial cell damage induced by phacoemulsification in rabbit eyes. SETTING: Department of Ophthalmology, Seoul Metropolitan Government-Seoul National University Boramae Medical Center, Seoul, South Korea. DESIGN: Experimental study. METHODS: The endothelial cell count, intraocular pressure (IOP), and central corneal thickness (CCT) were measured before and 3 days after the experiment in 26 rabbit eyes randomized into a test group and control group (6 per group)...
March 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28410713/axial-length-measurements-comparison-of-a-new-swept-source-optical-coherence-tomography-based-biometer-and-partial-coherence-interferometry-in-myopia
#13
Jong Yun Yang, Hong Kyu Kim, Sung Soo Kim
PURPOSE: To compare axial length (AL) measurements between a swept-source optical coherence tomography (SS-OCT) biometer (IOLMaster 700) and a partial coherence interferometry (PCI) biometer (IOLMaster, version 5.4) in myopic eyes. SETTING: Severance Hospital, Yonsei University, Seoul, South Korea. DESIGN: Prospective evaluation of a diagnostic test. METHODS: This study enrolled patients with a diagnosis of myopia in their medical records...
March 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28403870/noise-sensitivity-rather-than-noise-level-predicts-the-non-auditory-effects-of-noise-in-community-samples-a-population-based-survey
#14
Jangho Park, Seockhoon Chung, Jiho Lee, Joo Hyun Sung, Seung Woo Cho, Chang Sun Sim
BACKGROUND: Excessive noise affects human health and interferes with daily activities. Although environmental noise may not directly cause mental illness, it may accelerate and intensify the development of latent mental disorders. Noise sensitivity (NS) is considered a moderator of non-auditory noise effects. In the present study, we aimed to assess whether NS is associated with non-auditory effects. METHODS: We recruited a community sample of 1836 residents residing in Ulsan and Seoul, South Korea...
April 12, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28394756/progression-of-cerebral-white-matter-hyperintensities-and-the-associated-sonographic-index
#15
Woo-Jin Lee, Keun-Hwa Jung, Young Jin Ryu, Keon-Joo Lee, Jeong-Min Kim, Soon-Tae Lee, Kon Chu, Manho Kim, Sang Kun Lee, Jae-Kyu Roh
Purpose To evaluate the relationship between penetrating arterial pulsation and the progression of white matter hyperintensities (WMHs) by using the sonographic resistance index (RI) along the M1 segment of the middle cerebral artery (MCA). Materials and Methods The study design was approved by the institutional review board of Seoul National University Hospital. The study included 450 individuals who had undergone initial transcranial Doppler (TCD) sonography and magnetic resonance imaging, with follow-up imaging performed within 34-45 months, and who had no stenosis of 30% or more in the internal carotid artery or MCA or a history of stroke other than an old lacunar infarction...
April 10, 2017: Radiology
https://www.readbyqxmd.com/read/28392824/posttransplantation-lymphoproliferative-disorder-after-pediatric-solid-organ-transplantation-experiences-of-20-years-in-a-single-center
#16
Hyung Joo Jeong, Yo Han Ahn, Eujin Park, Youngrok Choi, Nam-Joon Yi, Jae Sung Ko, Sang Il Min, Jong Won Ha, Il-Soo Ha, Hae Il Cheong, Hee Gyung Kang
PURPOSE: To evaluate the clinical spectrum of posttransplantation lymphoproliferative disorder (PTLD) after solid organ transplantation (SOT) in children. METHODS: We retrospectively reviewed the medical records of 18 patients with PTLD who underwent liver (LT) or kidney transplantation (KT) between January 1995 and December 2014 in Seoul National University Children's Hospital. RESULTS: Eighteen patients (3.9% of pediatric SOTs; LT:KT, 11:7; male to female, 9:9) were diagnosed as having PTLD over the last 2 decades (4...
March 2017: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/28392549/korean-cancer-patients-awareness-of-clinical-trials-perceptions-on-the-benefit-and-willingness-to-participate
#17
Yoojoo Lim, Jee Min Lim, Won Jae Jeong, Kyung-Hun Lee, Bhumsuk Keam, Tae-Yong Kim, Tae Min Kim, Sae-Won Han, Do Youn Oh, Dong-Wan Kim, Tae-You Kim, Dae Seog Heo, Yung-Jue Bang, Seock-Ah Im
Purpose: To assess current levels of awareness of clinical trials (CTs), perceptions regarding their benefits and willingness to participate to CTs among Korean cancer patients. Materials and Methods: From December 2012 to August 2015, we distributed questionnaires to cancer patients receiving systemic anti-cancer therapy at Seoul National University Hospital, Seoul, Korea. Results: A total of 397 out of 520 requested patients (76.3%) responded to the survey...
April 7, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28392078/association-of-air-pollution-with-increased-incidence-of-ventricular-tachyarrhythmias-recorded-by-implantable-cardioverter-defibrillators-vulnerable-patients-to-air-pollution
#18
In-Soo Kim, Jungwoo Sohn, Seung-Jun Lee, Jin-Kyu Park, Jae-Sun Uhm, Hui-Nam Pak, Moon-Hyoung Lee, Chang-Soo Kim, Boyoung Joung
BACKGROUND: This study investigated the acute effects of exposure to air pollution on ventricular tachyarrhythmias (VTAs) in an East Asian population. The association between air pollution and VTA has not yet been studied in an East Asian country affected by the Asian dust phenomenon, which worsens air quality. METHODS: The study cohort consisted of 160patients with implantable cardioverter defibrillator (ICD) devices in the Seoul metropolitan area who were followed for 5...
March 30, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28391931/characterization-of-particulate-matter-from-diesel-passenger-cars-tested-on-chassis-dynamometers
#19
Sungwoon Jung, Jaehyun Lim, Sangil Kwon, Sangwoo Jeon, Jeongsoo Kim, Jongtae Lee, Sunmoon Kim
Emission characterization of particle number as well as particle mass from three diesel passenger cars equipped with diesel particulate filter (DPF), diesel oxidation catalyst (DOC) and exhaust gas recirculation (EGR) under the vehicle driving cycles and regulatory cycle. Total particle number emissions (PNEs) decreased gradually during speed-up of vehicle from 17.3 to 97.3km/hr. As the average vehicle speed increases, the size-segregated peak of particle number concentration shifts to smaller size ranges of particles...
April 2017: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/28390123/metastatic-carcinoma-of-the-oral-region-an-analysis-of-21-cases
#20
Y-H Lee, J-I Lee
BACKGROUND: Metastatic carcinoma to the jaws and oral region are very rare, representing less than 1% of all oral tumors. Unfortunately, oral metastasis is usually manifestation of an advanced stage of primary cancer, and indicates widespread disease and poor prognosis. MATERIAL AND METHODS: In this retrospective study, a total of 2039 patients with history of oral malignant tumor between 1980 and 2012 at Seoul National University Dental Hospital were evaluated...
April 8, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
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