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김효훈 ( Hyo Hoon Kim ),김민혜 ( Min Hye Kim ),김신우 ( Shin Woo Kim ),장현하 ( Hyun Ha Chang ),김혜인 ( Hye In Kim ),정주영 ( Ju Young Jeong ),진선 ( Sun Jin ),박정화 ( Jung Wha Park ),정혜진 ( Hye Jin Jung ),이종명 ( Jong Myung 대한천식알레르기학회 2014 Allergy Asthma & Respiratory Disease Vol.2 No.2
Vitamin K is a naturally-occurring vitamin used to treat certain coagulation disorders. Despite its frequent use, vitamin K causes allergic reactions very rarely. We report a case of anaphylaxis due to vitamin K (phytonadione) that occurred in a 20-year old man who has undergone hemorrhoid bleeding. The patient developed immediate whole body urticaria, itching sensation, dyspnea and marked hypotension about 2 minutes after the intravenous administration of vitamin K (phytonadione) and tranexamic acid for the purpose of bleeding control. Skin prick test was performed with vitamin K and tranexamic acid. Vitamin K showed positive response in skin prick test, while tranexamic acid showed negative response in skin prick test and challenge test. To our knowledge, it is the first case report of vitamin K-induced anaphylaxis that is proven with skin test. This case suggests that vitamin K can elicit anaphylaxis and skin test may be helpful in the diagnosis of a suspected allergic response to vitamin K. (Allergy Asthma Respir Dis 2014;2:146-149)
감염 ; 비결핵항산균에 의한 피부, 연부조직 감염 9예
김효훈 ( Hyo Hoon Kim ),김신우 ( Shin Woo Kim ),장현하 ( Hyun Ha Chang ),김혜인 ( Hye In Kim ),정주영 ( Ju Young Jeong ),진선 ( Sun Jin ),박정화 ( Jung Wha Park ),정혜진 ( Hye Jin Jung ),김민혜 ( Min Hye Kim ),이종명 ( Jong Myung 대한내과학회 2014 대한내과학회지 Vol.87 No.3
Background/Aims: Non-tuberculous Mycobacterium (NTM) infections usually result in chronic disease, and making a diagnosis is often difficult. Skin and soft tissue infections due to NTM are not common and are usually diagnosed relatively late. We investigated the clinical characteristics of nine cases of skin and soft tissue infections with NTM. Methods: Nine patients with an NTM infection who were confirmed consecutively by skin and soft tissue and/or adjacent bone cultures at a teaching hospital between August 2006 and July 2013 were enrolled in this study. The demographics, clinical characteristics, underlying diseases, treatment, and prognosis between different NTM species were reviewed retrospectively. Results: The most common NTM species causing a soft tissue infection was Mycobacterium abscessus (five patients, 55.6%). Common sites of infection were the knee and lumbar spine. Five patients (55.6%) had underlying diseases. Six patients (77.8%) were treated with combined surgical treatment (incision and drainage) plus antibiotics. The duration from symptom onset to diagnosis was long (77.7 ± 44.6 days) due to inadequate microbiological evaluation and disregard for the clinical significance of the NTM culture. All patients were cured with treatment; however, the treatment duration was long (181.7 ± 140.0 days). Procedure and cosmetic surgery were the most important risk factors for infection. Conclusions: The diagnosis of NTM skin and soft tissue infections tends to be delayed in a clinical setting. Therefore, a high index of suspicion for NTM infection in chronic localized soft tissue infections is essential for diagnosis. Mycobacterium abscessus appears to be the most common NTM species causing soft tissue infections. (Korean J Med 2014;87:311-317)
김효훈(Hyo Hoon Kim),권대중(Dae Jung Kwon) 한국부동산융복합학회 2021 부동산융복합연구 Vol.1 No.3
소규모정비법은 난개발 및 대규모 개발사업의 문제점들을 보완하고 소규모주택의 공급활성화를 통한 주거 안정을 위해 시행되었지만 소규모주택정비사업은 사업성 저하로 인하여 활성화 되지 않았다. 이에 본 연구는 서울시 중랑구 D·S 연립 가로주택정비사업 구역과 인천광역시 미추홀구 L맨션 소규모재건축구역을 대상으로 비례율 방식으로 실증분석을 진행하였다. 연구 사례와 결과를 토대로 사업성 향상에 영향을 주는 요인을 찾아 이를 개선하여 사업성 제고 방안을 모색하였다. 그 결과 소규모주택정비사업 활성화를 위한 사업성 제고 방안으로 분양가 및 공사비 최적화, 시공자선정을 사업시행인가 이후 선정하여 공사비의 변동을 최소화, 체계적 사업비 관리시스템 적용으로 사업 기간의 단축을 통한 사업비 절감, 가로주택정비사업의 경우 층수 제한 완화를 통한 사업성 개선, 난개발 방지를 위한 지구단위계획 사전수립의 결론을 제시하였다. The Small-Scale Improvement Act was implemented to complement the problems of reckless and large-scale development projects and to stabilize housing through the supply of small-scale housing, but the small-scale housing improvement project was not revitalized due to the decline in business feasibility. Therefore, this study conducted empirical analysis in the proportional ratio method for the D·S row housing maintenance project area in Jungnang-gu, Seoul and the small-scale reconstruction area of L-mansion in Michuhol-gu, Incheon. Based on research cases and results, it found out factors affecting business feasibility and sought for ways to enhance business feasibility by improving them. In consequence, it presented the following ways to enhance the business feasibility to vitalize the small-scale home improvement project: Changes in construction costs should be minimized by optimizing the sale price and the construction cost and selecting a constructor after approval for project implementation. The project cost should be reduced by applying a systematic project cost management system and shortening the project period, and in the case of street housing maintenance projects, business feasibility should be enhanced by easing the limit on the number of floors, and district unit plans should be established in advance to prevent reckless development.
김혜인 ( Hye In Kim ),장현하 ( Hyun Ha Chang ),박가영 ( Ga Young Park ),권유진 ( Eu Gene Kwon ),김효훈 ( Hyo Hoon Kim ),김신우 ( Shin Woo Kim ),이종명 ( Jong Myung Lee ) 대한내과학회 2011 대한내과학회지 Vol.81 No.2
Good`s syndrome (GS) is a rare cause of acquired combined B- and T-cell immunodeficiency in adults. GS is also known as a rare form of paraneoplastic syndrome of thymoma that may persist after thymectomy. Some reported GS cases have been related to various diseases as a result of humoral immunodeficiency, but no report to date has related GS to cytomegalovirus (CMV) retinitis in Korea. We report two cases of CMV retinitis as a manifestation of GS with severe cellular immunodeficiency. In the first case, a 61-year-old woman was diagnosed with GS manifesting as CMV retinitis combined with coincident pulmonary tuberculosis and soft-tissue tuberculosis. In the second case, a 56-year-old man had CMV retinitis and CMV pneumonia. Both patients had a history of thymoma and had received total thymectomies, and were diagnosed with GS a few years thereafter. (Korean J Med2011;81:266-272)
내인성 내안구염의 가장 흔한 원인 균주로서의 Klebsiella pneumoniae
박가영 ( Ga Young Park ),김신우 ( Shin Woo Kim ),김혜인 ( Hye In Kim ),권유진 ( Eu Gene Kwon ),김효훈 ( Hyo Hoon Kim ),정주영 ( Ju Young Jeong ),장현하 ( Hyun Ha Chang ),이종명 ( Jong Myung Lee ),김능수 ( Nung Soo Kim ),이신원 ( S 대한내과학회 2012 대한내과학회지 Vol.82 No.2
Background/Aims: Endogenous endophthalmitis (EE) is rare. However, the visual outcome of patients with EE is very poor. Many cases of EE caused by Gram-negative bacterial infections have recently been reported. This study was conducted to explore the most frequent pathogens, diagnosis, and treatment outcomes of EE. Methods: A retrospective analysis was carried out in 23 patients diagnosed with EE through clinical manifestations and ophthalmic examinations in three hospitals between January 2000 and April 2011. Samples from 23 patients with EE were analyzed microbiologically. Results: Pathogens were identified in 18 (78%) of the 23 blood, liver aspirate, and/or vitreous humor samples. Klebsiella pneumoniae was the most frequent organism (13/23, 57%). Abdomino-pelvic imaging (21/23, 91%) was performed to evaluate the primary site of infection. The most common primary infection was liver abscess (14/23, 61%). Despite administration of intravenous antibiotics and intravitreal injection, only six of 23 patients showed improvements in visual acuity. Thirteen (57%) experienced worse visual acuity. Four (17%) were eventually enucleated. Conclusions: In patients diagnosed with EE, abdomino-pelvic CT is required to exclude the presence of liver abscess. If a liver abscess is identified, percutaneous drainage should be considered. Considering the rapid progression and poor prognosis of EE, early diagnosis and immediate management are vital. We currently suggest that empiric antibiotics for treatment of EE should have activity against Gram-negative bacilli such as K. pneumoniae. (Korean J Med 2012;82:200-207)
감염 : 위험인자가 없는 성인에서 발생한 삼첨판 심내막염
박가영 ( Ga Young Park ),장현하 ( Hyun Ha Chang ),김신우 ( Shin Woo Kim ),김혜인 ( Hye In Kim ),권유진 ( Eu Gene Kwon ),김효훈 ( Hyo Hoon Kim ),정주영 ( Ju Young Jeong ) 대한내과학회 2012 대한내과학회지 Vol.82 No.6
Staphylococcus aureus is a well-known pathogen involved inright-sided endocarditis with predisposing factors, and the clinical course may be acute and rapidly progressive. Intravenous drug abuse, pacemakers or central vascular catheters, and congenital heart diseases are well-known predisposing factors. However, right-sided endocarditis as a result of S. aureus infection is very rare in patients without these predisposing factors. Here, we report the case of a previously healthy 25-year-old male with native tricuspid valve infective endocarditis by methicillin-sensitive Staphylococcus aureus, complicating multiple septic pneumonia and septic pulmonary artery thrombosis. The patient was treated with antibiotics and surgical thromboembolectomy with tricuspid valve repair.