• Monthly Duck's Village
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• s.55
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• pp.38-44
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• 2008

겨울만 되면 우리의 가슴을 졸여왔던 고병원성 조류인플루엔자(HPAI)는 다행히도 아직까지 발생되지 않고 있다.(저병원성 AI 제외) 현재 정부에서는 이에 대비해 전국의 철새 남하지역 예찰 및 종오리.육용오리 전 농가를 대상으로 한 혈청검사 등을 통해 그 어느 때보다 AI에 대한 철통수비를 하고 있고, 본회를 비롯한 관련단체에서도 꾸준한 전화예찰과 회원농가의 방역 생활화 독려 등 AI 발생을 막기 위해 다각도로 움직이고 있다. 그러나 특별방역기간이 앞으로도 2개월 이상이 더 남은 이상, 그 누구도 발생여부를 장담할 수 없는 상황이다. 그렇기 때문에 축사 내.외부의 소독과 청결은 떼려야 땔 수 없는 필수 불가결 요소이다. 우리가 보다 효과적이고 철저한 소독을 통해 AI는 물론 각종 전염성 질병을 예방하기 위한 방법을 구체적으로 알아보도록 한다.

• Annual Conference of KIPS
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• 2011.04a
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• pp.1329-1330
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• 2011

u-Health 서비스의 시작으로 병원에서 단발성 치료에 국한되었던 기존 서비스가 이제는 가정 등 실생활 전 영역에서 평생에 걸쳐 제공되어 시 공간적으로 확대되었다. 본 연구에서는 ISO/IEC 9126과 ISO/IEC 12119를 기반으로 하여 보안성 평가모델을 제시하고 평가 과정에서 활용할 수 있는 품질검사표를 개발하였다.

• Journal of the Korean Society of Radiology
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• v.16 no.7
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• pp.943-952
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• 2022

As a test for diagnosing fatty liver, recently, ultrasound and blood exam are being performed simultaneously. In particular, in the case of high-sensitivity C-reactive protein in blood exam, it is used as an index indicating the level of inflammation in various parts of the body as well as cardiovascular diseases. Thus, this study was conducted to analyze the association between metabolic syndrome components, liver function, and high-sensitivity C-reactive protein levels according to the degree of nonalcoholic fatty liver, and use it as a clinical indicator for fatty liver diagnosis. Metabolic syndrome components, liver function and high-sensitivity C-reactive protein blood test values analyzed from 1,139 men and women over 20 years of age with nonalcoholic fatty liver in abdominal ultrasonography from March 2021 to August 2021 at the Korea Association of Health Promotion, Gwangju-Jeonnam Branch. Analyzed for all men and women, the blood test values for subjects with mild fatty liver were AST 30 U/L, ALT 32.1 U/L, γ-GTP 41.2 IU/L, and hs-CRP 0.14 mg/dL. These values were lower than the blood test values of subjects with moderate fatty liver (AST 38 U/L, ALT 47.6 U/L, γ-GTP 54.9 IU/L, hs-CRP 0.22 mg/dL) and was statistically significant (p<0.001). In this case of high-sensitivity C-reactive protein test, it is statistically significant, showing higher values in Subjects with moderate fatty liver than Subjects with mild fatty liver. thus, it is considered that hs-CRP can be used as clinical data for the prevention and management of fatty liver.

• Korean Journal of Clinical Laboratory Science
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• v.50 no.3
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• pp.359-369
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• 2018

An essential measure to prevent healthcare-associated infections (HAI) is to develop a consistent system of surveillance, thereby promoting a reliable situation diagnosis to perform efficient control for the problem. Patient-to-patient transmission of pathogens within the hospital plays a substantial role in the epidemiology of HAIs. Contamination of healthcare environments commonly occurs, including facilities surfaces (e.g., bed rails, bedside tables), drinking water, cooling tower water, endoscopic instruments, food, airborne, endotoxin test, sterile test and medical equipment, with pathogenic organisms. In addition, epidemiological analysis is performed by multi locus sequence tying, pulsed-field gel electrophoresis for active surveillance. Therefore, an environmental surveillance culture test for prevention improves patient safety and blocks infection agents. Effective infection control and increased safety are possible by controlling the national infection control system. In conclusion, this study contributes to an effective infection control system through the standardization of active surveillance culture laboratory and secure expertise as infection control specialist. The primary objective of the standardization is to improve the safety of the nation's healthcare system by reducing the rates of HAIs.

• Proceedings of the KAIS Fall Conference
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• 2009.05a
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• pp.599-602
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• 2009

본 연구는 2006년 3월부터 2007년 2월까지 일개 대학병원에서 출생한 고위험군 신생아 121명을 대상으로 청각선별검사인 자동화 유발이음향방사와 확진검사인 청성뇌유발전위검사를 실시하여 임상양상과 청각장애 발생률, 검사소요 시간에 대해 조사하였다. 결과는 다음과 같다. 1. 청각장애발생률은 전체 고위험군 신생아 121명 중 5명의 신생아가 난청으로 조기에 진단되었다. 2. 난청으로 확진 받은 신생아 5명의 관련 질병을 살펴보면 고빌리루빈혈증 2명, 저체중 1명, 구개열 1명, 다운증후군 1명이었다. 3. 난청으로 확진 받은 신생아 5명의 청력손실정도는 양측 고도난청 1명(70dB), 양측 중도난청 2명(55dB), 편측성 난청 2명으로 나타났다. 4. 검사소요 시간은 선별검사인 유발이음향방사 검사를 실시하는 데 소요된 총 시간의 평균은 $107.5{\pm}65.2$초였고, 확진검사인 청성뇌유발전위 검사를 실시하는 데 소요된 총 시간의 평균은 $1,500{\pm}90.1$초가 소요되었다. 5. 연구를 진행하는 도중 11명의 고위험군 신생아가 이사, 연락처 변경, 경제적 사정으로 추적검사에 참여하지 않았다. 신생아 난청은 다른 질병에 비해 발병률이 높은 선천성 질환으로서 모든 신생아를 대상으로 청각검사를 실시하여 난청의 조기진단에 대한 선별검사의 정착이 필요하다고 생각된다.

• The Journal of the Korea Contents Association
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• v.19 no.6
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• pp.565-574
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• 2019

In this study, we evaluated the usefulness of an automatic blood typing analyzer using QWALYS-2 up (Diagast, Loos Cedex, France). During a month( 01OCT2013 - 31OCT2013) we performed 1,636 tests for ABO & RhD blood typing, 1,374 tests for antibody screen & identification tests and compared the results by automatic blood type analyzer with previous manual methods and column agglutination tests. And we analyzed the economic performance by comparison the test unit price between automatic blood type analyzer and manual methods. In ABO & RhD blood typing tests, there were complete concordances between manual and automated blood typing analyzer for 200 clinical samples. In Antibody screen tests, the concordance rate between manual and automated blood typing analyzer was 98.5% and more strong reaction in automated blood typing analyzer than manual methods. Therefore, the introduction of an automated blood typing analyzer, reagents costs were increased but labor costs were decreased. Considering the importance of transfusion safety and economic advantages, the introduction of an automated blood typing analyzer was very useful.

• Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics
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• v.32 no.3
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• pp.142-145
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• 2021

Paradoxical vocal fold movement (PVFM) is a dystonic laryngeal disorder characterized by involuntary vocal fold adduction during inspiration and/or expiration. PVFM is uncommon and may aggravate airway obstruction. And patients with PVFM have a specific etiology; therefore, treatment must be individualized and given immediately. We present a case of 63-year-old male presenting with intermittent dyspnea. After multidisciplinary workup, we presumed psychogenic PVFM and evaluated with speech-language pathologist and psychologist. In this report, we describe a rare case of psychogenic PVFM patient.

• Monthly Duck's Village
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• s.210
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• pp.12-19
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• 2020

사육제한, 일명 휴지기제로 오리사육 자체를 포기하며 조류인플루엔자(AI)로부터 오리와 산업을 지켜온 오리업계가 결국 AI의 습격을 이겨내지 못했다. 11월 28일 전북 정읍소재 육용오리 농장에서 고병원성 AI(H5N8형)가 확진됐다. 이어 12월 1일 상주 산란계 농장에서, 12월 5일 전남 영암군 육용 오리 농장에서 고병원성 AI 확진이 났다. 전국 철새 도래지에서 채취한 야생조류 시료에 대한 중간검사 결과 H5·H7형 AI 항원이 다수 검출 되는 등 전국이 AI 공포에서 벗어날 수 없는 상황이다. AI는 현재 진행형일지, 어디에서 멈출지 아직 아무도 모른다. 확실한 것은 오리농가가 망연자실해서는 안 된다는 사실이다. 도끼를 갈아 바늘을 만든다는 '마부작침'의 자세로 꾸준히 노력해 AI로부터 벗어나기 위한 노력이 시작돼야 할 때다.

• Korean Journal of Clinical Laboratory Science
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• v.55 no.3
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• pp.132-142
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• 2023

Human leukocyte antigen (HLA) typing was performed in the diagnostic immunology laboratory of the Seoul National University Hospital. Among 611 HLA-DR tests, specific bead reactions suspected of being false positive and false negative in Lot 20 reagents were found. Therefore, we aimed to identify the factors causing cut-off corrections by examining cases where cut-off corrections were not made for 533 test results and cases where cut-off corrections were made for 78 cases after the cut-off corrections of specific beads. Frequency analysis was conducted to verify the demographic characteristics, and descriptive statistics were used to assess the humidity in the laboratory as a variable. Cross-tabulation was done to examine the association between cut-off corrections and demographic characteristics. Independent samples t-tests were conducted to verify the difference in humidity based on cut-off corrections. Finally, logistic regression analysis was conducted to examine the relationship between humidity levels and the rate of cut-off corrections, and results showed as the humidity level in the laboratory highs, the number of cut-off corrections decreased by a factor of 0.986. This suggests cut-off corrections rate increases when the humidity lowers. Therefore, it indicates that humidity in the laboratory is also a factor that affects HLA typing results.

• Journal of the Korean Society of Radiology
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• v.83 no.5
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• pp.1090-1103
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• 2022

Purpose To evaluate the diagnostic performance of digital breast tomosynthesis (DBT) with the two-dimensional synthesized mammogram (2DSM), compared to full-field digital mammography (FFDM), for suspicious microcalcifications in the breast ahead of stereotactic biopsy and to assess the diagnostic image visibility of the images. Materials and Methods This retrospective study involved 189 patients with microcalcifications, which were histopathologically verified by stereotactic breast biopsy, who underwent DBT with 2DSM and FFDM between January 8, 2015, and January 20, 2020. Two radiologists assessed all cases of microcalcifications based on Breast Imaging Reporting and Data System (BI-RADS) independently. They were blinded to the histopathologic outcome and additionally evaluated lesion visibility using a fivepoint scoring scale. Results Overall, the inter-observer agreement was excellent (0.9559). Under the setting of category 4A as negative due to the low possibility of malignancy and to avoid the dilution of malignancy criteria in our study, McNemar tests confirmed no significant difference between the performances of the two modalities in detecting microcalcifications with a high potential for malignancy (4B, 4C, or 5; p = 0.1573); however, the tests showed a significant difference between their performances in detecting microcalcifications with a high potential for benignancy (4A; p = 0.0009). DBT with 2DSM demonstrated superior visibility and diagnostic performance than FFDM in dense breasts. Conclusion DBT with 2DSM is superior to FFDM in terms of total diagnostic accuracy and lesion visibility for benign microcalcifications in dense breasts. This study suggests a promising role for DBT with 2DSM as an accommodating tool for stereotactic biopsy in female with dense breasts and suspicious breast microcalcifications.