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https://www.readbyqxmd.com/read/29793194/simultaneous-determination-of-18-psychoactive-agents-and-6-metabolites-in-plasma-using-lc-ms-ms-and-application-to-actual-plasma-samples-from-conscription-candidates
#1
Dongeun Park, Hyeyoung Choi, Moonhee Jang, Hyejin Chang, Sanghee Woo, Wonkyung Yang
In Korea, an increasing number of people attempt to evade military conscription by posing as mental health patients. To verify the authenticity of mental illness, there is a need to detect wide range of psychoactive agents in biological specimens of conscription candidates. In this study, we developed and validated a liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for simultaneous determination of 18 psychoactive agents and 6 metabolites in human plasma. The method was characterized by the use of a simple, fast and cheap protein precipitation as sample preparation, a rapid run time (11min) and a low volume of plasma sample (200μL)...
April 22, 2018: Forensic Science International
https://www.readbyqxmd.com/read/29793024/sedimentary-record-of-plutonium-in-the-north-yellow-sea-and-the-response-to-catchment-environmental-changes-of-inflow-rivers
#2
Yihong Xu, Shaoming Pan, Jianhua Gao, Xiaolin Hou, Yongfu Ma, Yongpei Hao
Plutonium (Pu) isotopes were first determined in surface and core sediment samples collected from the northern North Yellow Sea (NYS) to elucidate their source terms and deposition process as well as the response to catchment environmental changes of inflow rivers. 240 Pu/239 Pu atom ratios in all sediments showed the typical global fallout value of ∼0.18 without any influences from the nuclear weapons tests conducted recently in the North Korea or early in the Pacific Proving Ground. The large variation of 239+240 Pu activities (0...
May 18, 2018: Chemosphere
https://www.readbyqxmd.com/read/29792559/frozen-white-leg-shrimp-litopenaeus-vannamei-in-korean-markets-as-a-source-of-aeromonas-spp-harboring-antibiotic-and-heavy-metal-resistance-genes
#3
Benthotage C J De Silva, Sabrina Hossain, Pasan S Dahanayake, Gang-Joon Heo
As the most consumed shrimp variety, white-leg shrimp (Litopenaeus vannamei) owns a high market demand in Korea. This study sought to screen the frozen white-leg shrimp for Aeromonas spp. harboring antimicrobial and heavy metal resistance characteristics. A total of 44 Aeromonas spp. strains were isolated and tested for antibiotic susceptibility and heavy metal tolerance followed by PCR-based detection of resistance genes and integrons. It was observed that resistance to ampicillin and oxacillin was 100% among isolates...
May 24, 2018: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/29792189/a-cross-sectional-ecological-analysis-of-international-and-sub-national-health-inequalities-in-commercial-geospatial-resource-availability
#4
Winfred Dotse-Gborgbortsi, Nicola Wardrop, Ademola Adewole, Mair L H Thomas, Jim Wright
BACKGROUND: Commercial geospatial data resources are frequently used to understand healthcare utilisation. Although there is widespread evidence of a digital divide for other digital resources and infra-structure, it is unclear how commercial geospatial data resources are distributed relative to health need. METHODS: To examine the distribution of commercial geospatial data resources relative to health needs, we assembled coverage and quality metrics for commercial geocoding, neighbourhood characterisation, and travel time calculation resources for 183 countries...
May 23, 2018: International Journal of Health Geographics
https://www.readbyqxmd.com/read/29792080/stakeholders-resistance-to-telemedicine-with-focus-on-physicians-utilizing-the-delphi-technique
#5
Woo Seok Choi, Joowoong Park, Jin Young Brian Choi, Jae-Suk Yang
Introduction Sufficient infrastructure for information and communications technology (ICT) and a well-established policy are necessary factors for smooth implementation of telemedicine. However, despite these necessary conditions being met, there are situations where telemedicine still fails to be accepted as a system due to the low receptivity of stakeholders. In this study, we analyse stakeholders' resistance to an organization's implementation of telemedicine. Focusing on the physicians' interests, we propose a strategy to minimize conflicts and improve acceptance...
January 1, 2018: Journal of Telemedicine and Telecare
https://www.readbyqxmd.com/read/29791988/-liver-abscess-secondary-to-perforation-after-duodenal-endoscopic-resection
#6
Seung Ho Choi, Su Jin Kim, Dae Hwan Kang, Hyung Wook Kim, Cheol Woong Choi, Tae Un Kim, Jeong Seok Lee, Ji Hwan Ko
Duodenal perforation is a complication of endoscopic mucosal resection. Liver abscess secondary to iatrogenic perforation is extremely rare. A 43-year-old female visited the hospital to remove a sub-epithelial tumor on the duodenal bulb. After endoscopic mucosal resection with band ligation, duodenal perforation occurred. Endoscopic closure was performed successfully using a clipping device to manage duodenal perforation. After 4 weeks, the patient visited our outpatient clinic due to abdominal pain and fever...
May 25, 2018: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/29791986/-revision-of-quality-indicators-for-the-endoscopy-quality-improvement-program-of-the-national-cancer-screening-program-in-korea
#7
REVIEW
Jun Ki Min, Jae Myung Cha, Yu Kyung Cho, Jie Hyun Kim, Soon Man Yoon, Jong Pil Im, Yunho Jung, Jeong Seop Moon, Jin Oh Kim, Yoon Tae Jeen
Gastroscopy and colonoscopy are widely used for the early diagnosis of stomach and colorectal cancer. The present revision integrates recent data regarding previous quality indicators and novel indicators suggested for gastroscopy and colonoscopy procedures for the National Cancer Screening Program in Korea. The new indicators, developed by the Quality Improvement Committee of the Korean Society for Gastrointestinal Endoscopy, vary in the level of supporting evidence, and most are based solely on expert opinion...
May 25, 2018: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/29791983/-management-of-gallstone
#8
REVIEW
Kyo Sang Yoo
Gallstones are one of the most common diseases worldwide. Recently, the incidence of gallstones has increased and the pattern of gallstones has changed in Korea. Laparoscopic cholecystectomy is the standard treatment for symptomatic gallstones. Expectant management is considered the most appropriate choice in patients with asymptomatic gallstones. The dissolution of cholesterol gallstones by oral bile acid, such as ursodeoxycholic acid, can be considered in selected patients with gallstones. Although the advent of laparoscopic cholecystectomy has moved interest away from the pharmacologic treatment of gallstones, several promising agents related to various mechanisms are under investigation...
May 25, 2018: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/29791915/costaria-costata-extract-suppresses-development-of-atopic-dermatitis-in-chloro-2-4-dinitrobenzene-treated-nc-nga-mice
#9
Ok-Kyung Kim, Minhee Lee, Han Ol Kwon, Dasom Lee, Jeongjin Park, Eungpil Kim, Yanghee You, Young Tae Lim, Woojin Jun, Jeongmin Lee
We investigated the potential effects of Costaria costata (CC) on atopic dermatitis (AD) development in chloro-2,4-dinitrobenzene (DNCB)-treated NC/Nga mice. CC is a brown alga distributed across the seas of Korea, China, and Japan. A total of 40 mice were randomly assigned to 5 groups with 8 mice per group: untreated Balb/c mice, AD control (0.1% w/v DNCB-treated NC/Nga mice), positive control (i.e., DNCB-treated NC/Nga mice fed a dietary supplement of 66.6 mg/kg of body weight [b.w.] of CJLP133), DNCB-treated NC/Nga mice fed a dietary supplement of 100 mg/kg b...
May 23, 2018: Skin Pharmacology and Physiology
https://www.readbyqxmd.com/read/29791885/multi-barrier-approach-for-removing-organic-micropollutants-using-mobile-water-treatment-systems
#10
Youngbeom Yu, Yang Hun Choi, Jaewon Choi, Soohoon Choi, Sung Kyu Maeng
The diversity of organic micropollutants (OMPs) in aquatic environments has been increasing rapidly during the last decade. Therefore, it is important to monitor and attenuate emerging contaminants before they can negatively affect the aquatic environment. However, due to the diversity and complexity of OMPs, there are limitations to using a single method for treating a combination of these pollutants. To address this issue, a mobile water treatment system (MWTS) equipped with different treatment units was designed to remove OMPs under field conditions...
May 20, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29791554/chest-x-ray-and-chest-ct-findings-in-patients-diagnosed-with-pulmonary-tuberculosis-following-solid-organ-transplantation-a-systematic-review
#11
Irai Luis Giacomelli, Roberto Schuhmacher Neto, Edson Marchiori, Marisa Pereira, Bruno Hochhegger
The objective of this systematic review was to select articles including chest X-ray or chest CT findings in patients who developed pulmonary tuberculosis following solid organ transplantation (lung, kidney, or liver). The following search terms were used: "tuberculosis"; "transplants"; "transplantation"; "mycobacterium"; and "lung". The databases used in this review were PubMed and the Brazilian Biblioteca Virtual em Saúde (Virtual Health Library). We selected articles in English, Portuguese, or Spanish, regardless of the year of publication, that met the selection criteria in their title, abstract, or body of text...
April 2018: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/29791292/sepsis-caused-by-streptococcus-suis-serotype-2-in-a-eurasian-river-otter-lutra-lutra-in-the-republic-of-korea
#12
Yeonsu Oh, Dongseob Tark, Sung-Hyun Moon, Jae-Ik Han, Won-Il Kim, Ho-Seong Cho
An adult male Eurasian river otter ( Lutra lutra) was diagnosed with systemic infection. Microbiologic findings identified Streptococcus suis serotype 2, clonal complex 28, and sequence type 629. Genetic analysis strongly suggested the transmission of S. suis isolate from pigs to wild animals through environmental contamination.
May 23, 2018: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/29790479/long-term-clinical-outcomes-after-bioresorbable-and-permanent-polymer-drug-eluting-stent-implantation-final-five-year-results-of-the-century-ii-randomised-clinical-trial
#13
William Wijns, Mariano Valdes-Chavarri, Gert Richardt, Raul Moreno, Andrés Íñiguez-Romo, Emanuele Barbato, Didier Carrié, Kenji Ando, Béla Merkely, Ran Kornowski, Hélène Eltchaninoff, Sinisa Stojkovic, Shigeru Saito
AIMS: The aim of this study was to establish the long-term safety and efficacy of a sirolimus-eluting stent with bioresorbable polymer (BP-SES; Ultimaster) by comparison with an everolimus-eluting stent with permanent polymer (PP-EES; XIENCE). METHODS AND RESULTS: CENTURY II (Clinical Evaluation of New Terumo Drug-Eluting Coronary Stent System in the Treatment of Patients with Coronary Artery Disease) is a large-scale, prospective, multicentre, randomised single-blind, controlled, non-inferiority trial conducted at 58 study sites globally, including Europe, Japan and Korea, powered to prove non-inferiority for freedom from target lesion failure (TLF: cardiac death, target vessel-related myocardial infarction [MI] and target lesion revascularisation) at nine months...
May 23, 2018: EuroIntervention
https://www.readbyqxmd.com/read/29790253/robotic-left-colectomy-with-complete-mesocolectomy-for-splenic-flexure-and-descending-colon-cancer-compared-with-a-laparoscopic-procedure
#14
Jin Cheon Kim, Jong Lyul Lee, Yong Sik Yoon, Chan Wook Kim, In Ja Park, Seok-Byeong Lim
BACKGROUND: Its relatively low incidence and its surgical complexity mean that a standardized technique for left colectomy has not yet been established for splenic flexure and descending colon cancer (SF-DCC). METHODS: Seventy-three patients (robot-assisted left colectomy with complete mesocolectomy [R-LCCM], n = 20; laparoscopic left colectomy with complete mesocolectomy [L-LCCM], n = 53) with SF-DCC were enrolled at the Asan Medical Center (Seoul, Korea). RESULTS: R-LCCM conveniently enables dexterous dissection for the multi-directional approaches during left mesocolic mobilization...
May 23, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29790201/self-employed-individuals-performing-different-types-of-work-have-different-occupational-safety-and-health-problems
#15
Jungsun Park, Boyoung Han, Yangho Kim
INTRODUCTION: We assessed the occupational safety and health (OSH) issues of self-employed individuals in Korea. METHODS: The working conditions and OSH issues in three groups were analyzed using the Korean Working Conditions Survey of 2014. RESULTS: Among self-employed individuals, "Physical work" was more common among males, whereas "Emotional work" was more common among females. Self-employed individuals performing "Mental work" had more education, higher incomes, and the lowest exposure to physical/chemical and ergonomic hazards in the workplace...
May 22, 2018: American Journal of Industrial Medicine
https://www.readbyqxmd.com/read/29790110/prevalence-of-hyperuricemia-and-its-associated-factors-in-the-general-korean-population-an-analysis-of-a-population-based-nationally-representative-sample
#16
Yunkyung Kim, Jihun Kang, Geun-Tae Kim
Hyperuricemia is not only a risk factor for gout but also an independent determinant of hypertension, diabetes, and chronic kidney diseases. Although the incidence of gout in Korean adults is increasing, epidemiologic studies on hyperuricemia in the general Korean population are limited. Thus, this study aimed at evaluating the prevalence of hyperuricemia and its associated factors among non-institutionalized Korean adults. The present study included 5548 participants (2403 men and 3145 women) aged ≥ 19 years from The Korea National Health and Nutrition Examination Survey...
May 23, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29789707/the-natural-course-of-passive-tenodesis-grip-in-individuals-with-spinal-cord-injury-with-preserved-wrist-extension-power-but-paralyzed-fingers-and-thumbs
#17
Hae Yoon Jung, Jieun Lee, Hyung Ik Shin
STUDY DESIGN: Cross-sectional. OBJECTIVES: To investigate the natural course of passive tenodesis grip in individuals with spinal cord injury (SCI) with no experience of tenodesis splint application and the related factors for success of the grip. SETTING: Community-dwelling persons with chronic SCI in South Korea. METHODS: Individuals with cervical SCI with preserved wrist extensor power, but completely paralyzed fingers and thumbs, were recruited...
May 22, 2018: Spinal Cord
https://www.readbyqxmd.com/read/29789681/genomic-and-ecological-study-of-two-distinctive-freshwater-bacteriophages-infecting-a-comamonadaceae-bacterium
#18
Kira Moon, Ilnam Kang, Suhyun Kim, Sang-Jong Kim, Jang-Cheon Cho
Bacteriophages of freshwater environments have not been well studied despite their numerical dominance and ecological importance. Currently, very few phages have been isolated for many abundant freshwater bacterial groups, especially for the family Comamonadaceae that is found ubiquitously in freshwater habitats. In this study, we report two novel phages, P26059A and P26059B, that were isolated from Lake Soyang in South Korea, and lytically infected bacterial strain IMCC26059, a member of the family Comamonadaceae...
May 22, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29789156/comparing-corneal-higher-order-aberrations-in-corneal-wavefront-guided-transepithelial-photorefractive-keratectomy-versus-small-incision-lenticule-extraction
#19
Hun Lee, David Sung Yong Kang, Dan Z Reinstein, Samuel Arba-Mosquera, Eung Kweon Kim, Kyoung Yul Seo, Tae-Im Kim
PURPOSE: To evaluate the changes in corneal higher-order aberrations (HOAs) after corneal wavefront-guided transepithelial photorefractive keratectomy (PRK) and small-incision lenticule extraction (SMILE). SETTING: Yonsei University College of Medicine and Eyereum Eye Clinic, South Korea. DESIGN: Retrospective case series. METHODS: Medical records of patients having either corneal wavefront-guided transepithelial PRK or small-incision lenticule extraction were examined...
May 19, 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29788961/relationships-among-medication-adherence-lifestyle-modification-and-health-related-quality-of-life-in-patients-with-acute-myocardial-infarction-a-cross-sectional-study
#20
Yu-Mi Lee, Rock Bum Kim, Hey Jean Lee, Keonyeop Kim, Min-Ho Shin, Hyeung-Keun Park, Soon-Ki Ahn, So Young Kim, Young-Hoon Lee, Byoung-Gwon Kim, Heeyoung Lee, Won Kyung Lee, Kun Sei Lee, Mi-Ji Kim, Ki-Soo Park
BACKGROUND: The healthy adherer effect is a phenomenon in which patients who adhere to medical therapies tend to pursue health-seeking behaviors. Although the healthy adherer effect is supposed to affect health outcomes in patients with coronary artery disease, evaluation of its presence and extent is not easy. This study aimed to assess the relationship between medication adherence and lifestyle modifications and health-related quality of life among post-acute myocardial infarction (AMI) patients...
May 22, 2018: Health and Quality of Life Outcomes
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