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Journal of Korean Medical Science

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https://www.readbyqxmd.com/read/28875622/primary-pulmonary-extranodal-natural-killer-t-cell-lymphoma-nasal-type-presenting-as-diffuse-ground-glass-opacities-a-case-report
#1
MyungJin Song, Ji Ye Kim, Ji Soo Choi, Bora Yoon, MooHyun Kim, Soo Jeong Kim, Song Yee Kim
Extranodal natural killer (NK)/T-cell lymphoma, nasal type (ENKTCL) is a rare type of lymphoma that accounts for only 5%-18% of all cases of non-Hodgkin lymphoma (NHL). In published series, 60%-90% of NK/T-cell lymphomas are localized to the nasal and upper airway. We describe a 55-year man who presented with cough, sputum, dyspnea on exertion, and a chest computed tomography scan shows diffuse ground glass opacities (GGOs), suggestive of an interstitial lung disease. He was treated with a corticosteroid and his symptoms improved...
October 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28875621/rare-manifestations-of-anaplastic-thyroid-carcinoma-the-role-of-braf-mutation-analysis
#2
Young Shin Song, Chan Kwon Jung, Kyeong Cheon Jung, Young Joo Park, Jae Kyung Won
Anaplastic thyroid carcinoma (ATC) is difficult to distinguish from other cancers, especially when its pathological features are atypical for ATC or when the tumor is totally undifferentiated and occurs after a considerable lapse of time, in an area remote from the original site of the tumor. Here, we present two patients (68-year-old man and 56-year-old woman) with rare manifestations of ATC, which were initially thought to be other malignancies. Immunohistochemical tests, using various markers, failed to provide information about the origin of these tumors...
October 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28875620/mers-cov-infection-in-a-pregnant-woman-in-korea
#3
Soo Young Jeong, Se In Sung, Ji Hee Sung, So Yoon Ahn, Eun Suk Kang, Yun Sil Chang, Won Soon Park, Jong Hwa Kim
Middle East respiratory syndrome (MERS) is a lethal respiratory disease - caused by MERS-coronavirus (MERS-CoV) which was first identified in 2012. Especially, pregnant women can be expected as highly vulnerable candidates for this viral infection. In May 2015, this virus was spread in Korea and a pregnant woman was confirmed with positive result of MERS-CoV polymerase chain reaction (PCR). Her condition was improved only with conservative treatment. After a full recovery of MERS, the patient manifested abrupt vaginal bleeding with rupture of membrane...
October 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28875619/lead-poisoning-at-an-indoor-firing-range
#4
Kyung Wook Kang, Won Ju Park
In March 2014, a 39-year-old Korean male presented with a 6-month history of various nonspecific symptoms including dizziness, fatigue, asthenia, irritability, elevated blood pressure, palpitation, eyestrain, and tinnitus. His occupational history revealed that he had been working as an indoor firing range manager for 13 months; therefore, he was subjected to a blood lead level (BLL) test. The test results showed a BLL of 64 μg/dL; hence, he was diagnosed with lead poisoning and immediately withdrawn from work...
October 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28875618/intramyocardial-injection-of-stem-cells-in-pig-myocardial-infarction-model-the-first-trial-in-korea
#5
Min Chul Kim, Yong Sook Kim, Wan Seok Kang, Ki Hong Lee, Meeyoung Cho, Moon Hwa Hong, Kyung Seob Lim, Myung Ho Jeong, Youngkeun Ahn
Although cell therapy is emerged for cardiac repair, its efficacy is modest by intracoronary infusion. Therefore, we established the intramyocardial delivery technique using a left ventricular (LV) mapping system (NOGA® XP) using 18 pigs. After adipose tissue-derived mesenchymal stem cells (ATSCs) were delivered intramyocardially to porcine infarcted heart, LV ejection fraction (EF) was increased, and LV chamber size was decreased. We proved the therapeutic effect of intramyocardial injection of ATSC through a LV mapping system in the porcine model for the first time in Korea...
October 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28875617/clinical-considerations-when-applying-vital-signs-in-pediatric-korean-triage-and-acuity-scale
#6
Bongjin Lee, Do Kyun Kim, June Dong Park, Young Ho Kwak
Initial vital signs of children at the emergency department may be abnormal because of anxiety and irritability, resulting in unrealistic triage levels. This study aimed to evaluate the effectiveness of pediatric triage by clinical decision based on the patient's general condition. The Pediatric Korean Triage and Acuity Scale (PedKTAS) has been used nationwide for triage since 2016. The triage level, as assessed by an experienced triage nurse and based on the patient's clinical condition, was defined as the 'real practice (RP)-level,' while the re-calculated triage level, as assessed by the direct application of initial vital signs, was defined as the 'simulation (S)-level...
October 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28875616/prescription-pattern-of-antidepressants-for-children-and-adolescents-in-korea-based-on-nationwide-data
#7
Myong Wuk Chon, Jungsun Lee, Seockhoon Chung, Yangsik Kim, Hyo Won Kim
Antidepressant prescription for youths has recently been on the increase. There is a growing concern over the increasing off-label usage of antidepressants. Current data on off-label antidepressant usage vary across countries and healthcare systems. Therefore, we examined the extent and pattern of antidepressant prescription for Korean children and adolescents using population-based data. Our data was retrieved from the Korean National Health Insurance Service National Sample Cohort of the year 2013. Among 0...
October 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28875615/prescription-trends-of-psychotropics-in-children-and-adolescents-with-autism-based-on-nationwide-health-insurance-data
#8
Minha Hong, Seung Yup Lee, Juhee Han, Jin Cheol Park, Yeon Jung Lee, Ram Hwangbo, Hyejung Chang, Seong Woo Cho, Soo Young Bhang, Bongseog Kim, Jun Won Hwang, Geon Ho Bahn
Children with autism are often medicated to manage emotional and behavioral symptoms; yet, data on such pharmacotherapy is insufficient. In this study, we investigated the Korean National Health Insurance Claims Database (NHICD) information related to autism incidence and psychotropic medication use. From the 2010-2012 NHICD, we selected a total of 31,919,732 subjects under 19 years old. To examine the diagnostic incidence, we selected patients who had at least one medical claim containing an 10th revision of International Statistical Classification of Diseases and Related Health Problems (ICD-10) code for pervasive developmental disorder, F84, not diagnosed in the previous 360 days...
October 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28875614/post-traumatic-cognition-mediates-the-relationship-between-a-history-of-sexual-abuse-and-the-post-traumatic-stress-symptoms-in-sexual-assault-victims
#9
Kyoung Min Shin, Young Ki Chung, Yee Jin Shin, Miran Kim, Nam Hee Kim, Kyoung Ah Kim, Hanbyul Lee, Hyoung Yoon Chang
More than half of all sexual assault victims report experiencing sexual victimization more than once. The aim of this paper was to determine the role post-traumatic cognition plays in the relationship between a history of sexual abuse and post-traumatic stress symptoms in sexual assault victims. The relationship between a history of sexual assault and the severity of post-traumatic stress symptoms was investigated retrospectively using data from a sexual assault crisis center in Korea. Data on psychological symptoms were collected in person at the initial assessment and by telephone 1 month later using the Post-traumatic Cognitions Inventory and the Post-traumatic Stress Disorder Symptoms Scale: Self-report Version...
October 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28875613/risk-factors-for-smartphone-addiction-in-korean-adolescents-smartphone-use-patterns
#10
Hyuk Lee, Jun Won Kim, Tae Young Choi
With widespread use of the smartphone, clinical evidence for smartphone addiction remains unclear. Against this background, we analyzed the effect of smartphone use patterns on smartphone addiction in Korean adolescents. A total of 370 middle school students participated. The severity of smartphone addiction was measured through clinical interviews and the Korean Smartphone Addiction Proneness Scale. As a result, 50 (13.5%) were in the smartphone addiction group and 320 (86.5%) were in the healthy group. To investigate the effect of smartphone use patterns on smartphone addiction, we performed self-report questionnaires that assessed the following items: smartphone functions mostly used, purpose of use, problematic use, and parental attitude regarding smartphone use...
October 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28875612/trends-in-testicular-injury-in-korea-1986-2015
#11
Sang Hyub Lee, Dong Gi Lee, Seung Kwon Choi, Taesoo Choi, Koo Han Yoo
The objectives of this study were to investigate patients treated for scrotal trauma at our institute for the last three decades to describe our experience with an emphasis on the etiologies and ultrasonographic findings in these patients. We reviewed medical records of patients who underwent scrotal ultrasonography for evaluation of testicular trauma at our institutes from 1986 to 2015. Trends regarding the etiology of scrotal trauma were evaluated during each decade. The echo pattern and contour definition of the testicular parenchyma and the pattern of hematoma development were recorded to evaluate radiographic findings of testicular injury...
October 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28875611/oncologic-outcomes-and-predictive-factors-for-recurrence-following-robot-assisted-radical-cystectomy-for-urothelial-carcinoma-multicenter-study-from-korea
#12
Ji Sung Shim, Tae Gyun Kwon, Koon Ho Rha, Young Goo Lee, Ji Youl Lee, Byong Chang Jeong, Jae Yoon Kim, Jong Hyun Pyun, Sung Gu Kang, Seok Ho Kang
The aim of our study was to evaluate intermediate-term oncologic outcomes, predictive factors for recurrence, and recurrence patterns in a multicenter series of patients treated with robot-assisted radical cystectomy (RARC) for urothelial carcinoma (UC) of the bladder. Between 2007 and 2015, 346 patients underwent RARC at multiple tertiary referral centers in Korea. Descriptive statistics were used for demographics and perioperative variables. Survival and recurrence were estimated with Kaplan-Meier analysis...
October 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28875610/analysis-of-pregnancy-outcomes-among-interracial-couples-in-korea
#13
Sun Young Yang, Un Suk Jung, Hye Ri Hong, Soon Young Hwang, Min Jeong Oh, Hai Joong Kim, Geum Joon Cho
Although the prevalence of interracial marriages in Korea is increasing, little is known regarding the pregnancy outcomes of interracial couples. The aim of this study was to investigate the differences in pregnancy outcomes between Korean and interracial Korean-foreign couples. Data for infants born in 2011 and 2012 were obtained from the national birth registry of the Korean Statistical Office. The couples were subdivided into Korean father-Korean mother, Korean father-foreign mother, and foreign father-Korean mother groups...
October 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28875609/epidemiological-correlation-between-fecal-adenovirus-subgroups-and-pediatric-intussusception-in-korea
#14
Jooyoung Jang, Yeoun Joo Lee, Joon Sung Kim, Ju Young Chung, Soohee Chang, Kunsong Lee, Byung Ho Choe, Suk Jin Hong, Jae Seok Song, Kie Young Park
We investigated the adenoviral etiology and seasonal epidemic trends in intussusception and each adenoviral subgroup. Also we confirmed whether we can use the adenovirus data of Acute Infectious Agents Laboratory Surveillance Report (AIALSR) as an epidemic predictor of intussusception. Patients with intussusception (n = 126), < 5 years old, were enrolled and matched by age and sex with controls suffering acute gastroenteritis without intussusception (n = 106), all recruited at 8 centers. All fecal specimens were assayed for adenovirus, including subgroups A, B, C, E, and F, with reverse transcriptase-polymerase chain reaction (RT-PCR)...
October 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28875608/clinical-characteristics-of-macrolide-resistant-mycoplasma-pneumoniae-from-children-in-jeju
#15
Yoon Joo Kim, Kyung Sue Shin, Keun Hwa Lee, Young Ree Kim, Jae Hong Choi
Mycoplasma pneumoniae is the major pathogen of community-acquired pneumonia in children. The prevalence of macrolide-resistant M. pneumoniae (MRMP) is important owing to the limited alternative therapies for children. We analyzed 111 M. pneumoniae obtained from 107 children admitted for lower respiratory tract infection at Jeju National University Hospital between 2010 and 2015. Macrolide resistance of M. pneumoniae was searched for using polymerase chain reaction (PCR) and sequencing. Of 107 clinical M. pneumoniae, 11 (10...
October 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28875607/the-role-of-overweight-and-obesity-on-bone-health-in-korean-adolescents-with-a-focus-on-lean-and-fat-mass
#16
Hwa Young Kim, Hae Woon Jung, Hyunsook Hong, Jae Hyun Kim, Choong Ho Shin, Sei Won Yang, Young Ah Lee
As the associations between pediatric overweight/obesity and bone health remain controversial, we investigated the effects of overweight/obesity as well as lean mass (LM) and fat mass (FM) on bone parameters in adolescents. Bone parameters were evaluated using dual-energy X-ray absorptiometry (DXA) data of 982 adolescents (aged 12-19 years) from the Korea National Health and Nutrition Examination Survey (2009-2010). Z-scores for LM, FM, bone mass, bone mineral density (BMD), and bone mineral apparent density (BMAD) using Korean pediatric reference values were used for analysis...
October 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28875606/the-relationship-between-subclinical-thyroid-disease-and-cardiovascular-disease-risk-score-in-koreans
#17
Hee Joong Lim, Seong Hee Ahn, Seongbin Hong, Young Ju Suh
Subclinical hyperthyroidism and subclinical hypothyroidism are characterized by abnormal thyroid stimulating hormone (TSH) with normal free thyroxine. Subclinical thyroid diseases, to date, have received less attention compared with other thyroid diseases since they are asymptomatic. This study aimed to verify the association between subclinical thyroid diseases and cardiovascular diseases (CVDs) risk score in the Korean population. This was a population-based cohort study using data collected from 3,722 subjects (aged ≥ 30 years) during the 6th Korea National Health and Nutrition Examination Survey (KNHANES VI; 2013-2015)...
October 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28875605/fate-of-neutrophils-during-the-recovery-phase-of-ischemia-reperfusion-induced-acute-kidney-injury
#18
Wonyong Cho, Jie Young Song, Se Won Oh, Myung Gyu Kim, Yoon Sook Ko, Hee Yong Lee, Sang Kyung Jo
Effective clearance of inflammatory cells is required for resolution of inflammation. Here, we show in vivo evidence that apoptosis and reverse transendothelial migration (rTEM) are important mechanisms in eliminating neutrophils and facilitating recovery following ischemia/reperfusion injury (IRI) of the kidney. The clearance of neutrophils was delayed in the Bax knockout (KO)(BM) → wild-type (WT) chimera in which bone marrow derived cells are partially resistant to apoptosis, compared to WT(BM) → WT mice...
October 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28875604/the-incidence-of-riata-defibrillator-lead-failure-a-single-center-experience
#19
Hye Bin Gwag, Jin Kyung Hwang, Kyoung Min Park, Seung Jung Park, Young Keun On, June Soo Kim
Riata defibrillator leads were recalled due to a high failure rate. This study measured the incidence of externalized conductor (EC) and electrical dysfunction (ED) and sought to determine the predictors of ED with Riata defibrillator leads. We enrolled patients who received Riata® or Riata® ST silicone defibrillator leads at our center between January 2003 and December 2010. The presence of EC was evaluated with chest radiography. The incidence rates were measured at < 3 years, 3-5 years, and > 5 years after lead implantation...
October 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28875603/incidence-predictors-and-clinical-outcomes-of-new-onset-diabetes-mellitus-after-percutaneous-coronary-intervention-with-drug-eluting-stent
#20
Kyeong Hyeon Chun, Eui Im, Byeong Keuk Kim, Dong Ho Shin, Jung Sun Kim, Young Guk Ko, Donghoon Choi, Yangsoo Jang, Myeong Ki Hong
We investigated the incidence, predictors, and long-term clinical outcomes of new-onset diabetes mellitus (DM) after percutaneous coronary intervention (PCI) with drug-eluting stent (DES). A total of 6,048 patients treated with DES were retrospectively reviewed and divided into three groups: 1) known DM (n = 2,365; fasting glucose > 126 mg/dL, glycated hemoglobin > 6.5%, already receiving DM treatment, or previous history of DM at the time of PCI); 2) non-DM (n = 3,247; no history of DM, no laboratory findings suggestive of DM at PCI, and no occurrence of DM during follow-up); and 3) new-onset DM (n = 436; non-DM features at PCI and occurrence of DM during follow-up)...
October 2017: Journal of Korean Medical Science
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