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서울의 Penicillinase Producing Neisseria gonorrhoeae 발생빈도(1998)
김재홍,김준호,반재용,이정우,황성주,정준규,정성태,강진문,조흔정,홍창의,정혜신,이한승,김이선,이봉길,이종호,선영우,한기덕,윤성필,이성훈,안종성,박석범,문승현,조항래,김형섭,류지호,황재영,박준홍,손상욱 한양대학교 의과대학 2001 한양의대 학술지 Vol.21 No.1
In recent years, gonorrhea has been pandemic and remains one of the most common STDs in the world, especially in developing countries. For the detection of a more effective therapeutic regimen and assessing the prevalence of Penicillinase Producing Neisseria gonorrhoeae(PPNG), we have been trying to study the patients who have visited the Venereal Disease Clinic of Choong-Ku Public Health Center in Seoul since 1980 by menas of the chromogenic cephalosporin method. In 1998, 93 strians of N. genorrhoeae were isolated, among which 60(64.5%) were PPNG. The prevalence of PPNG in Seoul, which had been decreased to 39% in 1996 after a peak of 74.3% in 1993, is increased to 64.5% in 1998.
사례보고 : 하수오 복용 후 발생한 재발성 독성 간염 1예
배상훈 ( Sang Hoon Bae ),김동현 ( Dong Hyun Kim ),배영석 ( Young Seok Bae ),이광재 ( Kwang Jae Lee ),김동완 ( Dong Wan Kim ),윤정빈 ( Jeoung Bin Yoon ),홍준호 ( Joon Ho Hong ),김상현 ( Sang Hyun Kim ) 대한간학회 2010 Clinical and Molecular Hepatology(대한간학회지) Vol.16 No.2
Toxic hepatitis has been reported as a major cause of acute hepatitis, but its potential induction by herbal remedies and/or health foods is usually neglected. We experienced a case of toxic hepatitis associated with Polygoni multiflori, a Chinese herb commonly known as Ho-Shou-Wu. A 54-year-old woman consumed Ho-Shou-Wu for 1 month, after which she experienced fatigue and overall weakness. A diagnosis of toxic hepatitis was made based on her clinical history, the findings for viral markers and other laboratory data, and ultrasonography. Her condition improved considerably after she stopped taking Ho-Shou-Wu. However, she resumed taking Ho-Shou-Wu immediately after discharge from hospital, which aggravated her symptoms and liver function. She was immediately readmitted and stopped taking Ho-Shou-Wu. Her relapse into hepatitis immediate after resuming consumption of the herb is strongly indicative of the validity of Koch`s postulate in this case.
홍석찬,김진국,강성호 건국대학교 의과학연구소 1996 건국의과학학술지 Vol.5 No.-
Frontoethmoidal sinus mucocele usually presents with frontal headache, exophthalmos and diplopia. Over the years it has necessitated either a conservative or a radical procedure. However, recently endoscopic sinus surgery has afforded to decrease the operative morbidity, and image the sinus postoperatively without problem. We have experienced a case of frontoethmoidal sinus mucocele which was satisfactorily treated with endoscopic marsupialization. Till now, no disease recurrence has been noted with endoscopic follow-up for 5 months. The etiology, characteristic features, and treatment of frontoethmoidal mucocele were reviewed.
탄소성 변형을 받는 냉간 압연강의 X선 잔류응력 특성에 관한 연구
홍순혁,이동우,양광호,조석수,주원식 동아대학교 생산기술연구소 2000 生産技術硏究所硏究論文集 Vol.5 No.1
In textured material, diffraction angle 2θ usually shows a nonlinear relation against sin^2Ψ due to elastic anisotropy of crystals. SPHD and SPCD steel is cold-rolled carbon steel for automobile. The characteristics X-ray for stress measurement is Cr K_α and Mo K_α1characteristic X-ray. The sin^2Ψ-2θ diagram under elastic strain seems to have a linear behavior using regression line of data but has a nonlinear behavior in distribution of data by Cr K_αcharacteristic X-ray. As the plastic strain of specimen increases, the nonlinearity of 2θ with respect to sin^2Ψ increases remarkably. On the other hand, the diffraction angle 2 θ by Mo K_α1 characteristic X-ray shows a good linearity on sin^2Ψ-2θ diagram under plastic strain as well as elastic strain. Therefore, This paper presents the measurement of residual stress in cold-rolled carbon steel for automobile using penetration depth of Mo K_α1 charateristic X-ray and multiplicity factor of crystal diffraction plane.
홍석찬,진정언,강성호 건국대학교 의과학연구소 1997 건국의과학학술지 Vol.7 No.-
The orbital blowout fracture occurs when a convex object(usually a baseball and a fist) larger in diameter than orbital rim strikes the orbit, increasing intraorbital pressure and producing hydraulic forces in all directions, which explodes the bony margin. The most frequently site of fracture is the bony floor in the region of the infraorbital canal, less frequently medial orbital wall, that is, lamina papyracea. Medial orbital wall fractures are also seen with other types of facial fractures such as frontal, nasoethmoid, and maxillary injuries. With the advent of nasal endoscope, endoscopic intranasal reconstruction has substituted for external approach. We experienced a case of blowout fracture of left medial orbital wall, which was treated with endoscopic intranasal reconstruction method and report this case with the review of the literature.
쓰레기 소각재를 잔골재로 혼합한 콘크리트의 기초적 물성연구
홍기호,하상훈,김정규,어석홍 國立 昌原大學校 產業技術硏究院 2004 産技硏論文集 Vol.18 No.-
The purpose of this study is to investigate the material characteristics and strength properties of concrete mixed with waste incinerated bottom ash(BA), and to evaluate the leaching of environmentally harmful heavy metals from the bottom ash itself and from hardened concrete mixed with bottom ash. For this purpose, two reference mixed with W/C ratio of 0.45 and 0.55 were used, and the replacement proportion of BA was varied with ratios of 0, 30, 50, 70 and 100% by volume of fine aggregate in the reference mixes. The variation of compressive and splitting tensile strength, workability and unit weight of concrete were considered. Test results showed that the strengths, workability and unit weight decreased with increase in proportion of BA replaced. Leaching test results showed that there would be no environmentally harmful problem from using BA as substitutes of fine aggregates in concrete.
홍석찬,강성호,이광희 건국대학교 의과학연구소 1994 건국의과학학술지 Vol.4 No.-
statistical analysis of bone conduction loss in chronic otitis media has not been exactly reported until now. Authors studied the relationship between the preoperative bone conduction hearing level and age, nature of middle ear and temporal bone pathology, pneumatization of mastoid in 97 ears of chronic uppurative otitis media performed middle ear surgery at Konkuk University Hospital from March 1992 to December 1992. The results were as following: The mean bone conduction threshold was 16.2±12.4dB. In the cases of ossicular defect, bone conduction loss was greater in total destruction than in partial destruction with statistical significance. Among ossicular defect, incus destruction group showed more bone conduction loss than intact incus group with statistical significance. There was no difference of bone conduction loss according to pathologic findings in middle ear cavity and mastoid antrum, but pathologic groups showed more bone conduction loss than control group with normal temporal bone pneumatization with statistical significance. Comparing pneumatization of mastoid antrum and mastoid process, there was statistically significant bone conduction loss in orders of pneumatic type, diploic type, sclerotic type, cholesteatoma cavity. There was no difference of bone conduction hearing level according to age, sex, and duration of disease process with statistical significance. The results suggest that the bone conduction threshold in chronic otitis media is influenced by artificial elevation due to conductive defect and can be improved by reconstructive surgery.Many patients being followed for chronic suppuration of the middle ear were observed to have sensorineural or mixed type hearing loss. The major cause of this bone conduction loss might be secondary to cochlear biochemical changes occuring through the round window membrane. But, clinical and statistical analysis of bone conduction loss in chronic otitis media has not been exactly reported until now. Authors studied the relationship between the preoperative bone conduction hearing level and age, nature of middle ear and temporal bone pathology, pneumatization of mastoid in 97 ears of chronic suppurative otitis media performed middle ear surgery at Konkuk University Hospital from March 1992 to December 1992. The results were as following: The mean bone conduction threshold was 16.2±12.4dB. Inthe cases of ossicular defect, bone conduction loss was greater in total destruction than in partial destruction with statistical significance. Among ossicular defect, incus destruction group showed more bone conduction loss than intact incus group with statistical significance. There was no difference of bone conduction loss according to pathologic findings in middle ear cavity and mastoid antrum, but pathologic groups showed more bone conduction loss than control group with normal temporal bone pneumatization with statistical significance. Comparing pneumatization of mastoid antrum and mastoid process, there was statistically significant bone conduction loss in orders of pneumatic type, diploic type, sclerotic type, cholesteatoma cavity. There was no difference of bone conduction hearing level according to age, sex, and duration of disease process with statistical significance. The results suggest that the bone conduction threshold in chronic otitis media is influenced by artificial elevation due to conductive defect and can be improved by reconstructive surgery.