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김명화,이동준,김문철 仁濟大學校 白病院 2010 仁濟醫學 Vol.31 No.-
Acute unilateral airway obstruction may be developed immediately after general anesthetic induction. Tracheal intubation is essential procedure to support lives for who is coma or undergo general anesthesia, but several complications could occur. One of these is airway obstruction immediately after endotracheal tube insertion because of bronchial mucous plug, previous aspirated foreign body, hemoptysis ect. This acute bronchial obstruction may be manifested clinically by hypoxemia, cardiovascular instability, brain damage, if more aggravated to death due to partial or complete interruption of ventilation to an lung. Therefore if endotracheal tube obstruction may occur, early detection and treatment is very critical. A 53-year-old male patient underwent acute unilateral obstruction of bronchus immediately after inserted endotracheal tube, so he revealed hypoxemia, hypotension, but smooth operation and anesthetic care was progressed overall owing to endotracheal tube suction and replacement of tube.
낭종 적출후 악골 결손부 치유에 관한 동종골 이식 효과에 관한 연구
이동근,박화규,권경환,강문정,신기영,민승기,성헌모 大韓顎顔面成形再建外科學會 1999 Maxillofacial Plastic Reconstructive Surgery Vol.21 No.4
This study was aimed to suggest to better treatment method of jaw cyst that the maximum diameter was wider than 3cm, using different treatment and clinical and radiographic result. We divided the 60 patients into three groups, group A(20 patients) were treated with cyst enucleation and Decalcified Freeze-Dried Allogeneic Bone(DFDB) graft, group B(20 patients) were treated with cyst enucleation and autogenous bone graft, group C(20 patients) were treated with only cyst enucleation. Each group was evaluated with panramic radiograph and clinical sign & symptom at pre-op and post-op(immediate, 6, 12, 24, 36 month). Bone density was evaluated with disital densitometer. The result was as follows : 1. Post-Op infection was higher in group C(4 pts.) than in group A(1 pt.) and B(1 pt.) 2. Post-Op gingival recession was higher in group C(3 Pts.) than in group A(1 pt.) and B(1 pt.) 3. Anatomic distortion was higher in group C(3 Pt.) than in group A(1 Pt.), and B(1 pt.) 4. reoperation was done in two patients who were in group C 5. There were donor site morbidity in two patients 6. there was no significant difference between group A and B in their bony density in their follow up period(p>0.05). 7. There were significant differences between group A, B and group C in their bony density until post-op 24 months but a little differences at post-op 36 months(P<0.01)
이상준,이동준,김문철,임의재,김명화 인제대학교 2009 仁濟醫學 Vol.30 No.-
During anesthesia, unexpectedly endotracheal tube obstruction cause seriouscomplications which require early diagnosis and immediate management. Endotracheal tube obstruction with foreign body is rare. 74 year old man was scheduled for open lung biopsy. The patient was intubated with a 7.5 mm reinforced endotracheal tube and turned to the right lateral position. After 30 minute, signs of partial endotracheal obstruction was observed including high airway pressure and decreased end-tidal CO2. A suction catheter was not deeply advanced. A wheezing - like sound was heard. We temporarily stopped the operation and turned the patient to supine. We exchanged the tube with another one and found impacted mucous secretions at the distal tip of the tube.
임의재,이동준,김문철,이상준,김명화 인제대학교 2009 仁濟醫學 Vol.30 No.-
Abdominal aortic aneurysms rarely occur with cancerous lesion but occasionally with gastrointestinal malignancy, and need absolute blood pressure control to prevent rupture. A 71 year old male who complained dizzness and hematochezia. He has been managed for hypertension, stable angina and abdominal aortic aneurysm which diagnosed 2months ago. He was diagnosed as advanced gastric adenocarcinoma and subtotal gastrectomy was performed. General anesthesia was scheduled and epidural catheterization was performed to controll intraand post operative pain and minimize hemodynamic change to prevent aneurysmal rupture 37.5mg of Ropivacaine was injected through epidural catheter before anesthesia and infusion of remifentanyl and propofol was performed during general anesthesia. The blood pressure was maintained between 95/50 and 145/95 and did not significantly increased. The general-epidural combined method was successfully performed and we are report this case with a brief review of the literature.
Alkylhalide가 Mouse의 LDH isozyme 분포에 미치는 영향 : Cellulose Acetate Electrophoresis Method
권미경,김영옥,박은주,이동화,이명미,이문희,이양자 曉星女子大學校 藥學大學 學生會 1988 曉星藥誌 Vol.4 No.-
The effect of Carbontetrachloride administration on Lactatedehydrogenase isozyme patterns were analyzed by cellulose acetate electrophoresis for the brain, heart, kidney, lung, liver and mouse muscle. Each other tissue was found to have a characteristic distribution of these isozymes. At normal condition, aerobic tissue such as brain, heart, kidney, and lung were found to have all five isozymes from LDH_1 to LDH_5, while anaerobic tissues such as liver and muscle were found to have superiorly LDH_5 The toxicity of Carbontetrachloride administration was most prominence in the liver, and lung toxicity was occured also.
Photocatalytic decomposition of graphene over a ZnO surface under UV irradiation
Mun, Dae-Hwa,Lee, Hyun Jung,Bae, Sukang,Kim, Tea-Wook,Lee, Sang Hyun The Royal Society of Chemistry 2015 Physical chemistry chemical physics Vol.17 No.24
<P>Highly reactive radicals or chemicals are generated on the surfaces of oxide semiconductors <I>via</I> reactions between photo-induced charges and ambient gas molecules. These radicals or chemicals have been utilized in heterogeneous photosynthesis and photocatalysis. In this study, we demonstrated that the photocatalytic reactions on the surface of ZnO promoted the oxidation and decomposition of graphene. Raman spectra were used to analyze the evolution of the G and 2D peaks. The oxidation of graphene on a ZnO substrate by UV radiation was faster than that in the absence of ZnO. During oxidation, the resistivity and the transmittance of graphene also increased. The XPS results showed that functional groups related to the oxidation of graphene were formed during the photocatalytic reactions. This simple and clean approach will be also effective for selective surface modification by enhancing the surface chemical reactions that pattern graphene <I>via</I> oxidation.</P> <P>Graphic Abstract</P><P>Selective oxidation and decomposition of graphene <I>via</I> photocatalytic reactions on a zinc oxide surface under UV irradiation. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=c5cp01670c'> </P>
문성화(Mun Seong-Hwa) 대한철학회 2008 哲學硏究 Vol.105 No.-
영국 경험론 철학자인 버클리의 인식론은 데카르트와 로크의 이론과 대결하는 가운데 전개되며, 흄을 거치면서 관념론적 계열에서 독일 관념론과 연결된다. 경험론자로서 버클리는 로크처럼 경험을 사유 가능성의 출발점으로서 수용하며, 그에게서 인식은 객관에 대한 극단적인 고찰을 통해서 확실성에 이를 수 있는 것이다. 이와 같은 고찰을 통해서 버클리는 사물의 내적이고 경험 불가능한 본질―즉 물질적 실체―과 관계하는 사변을 부정한다. 그에 따르면 우리는 우리의 감각을 통해서 경험될 수 없거나 지각될 수 없는 것에 관한 개념을 결코 형성할 수가 없다. 만일 그와 같은 사물이 있다면 그것은 인식하는 자 또는 지각하는 자로서 정신이라고 버클리는 주장한다. 버클리는 우리가 notion에 대해서 결코 어떤 개념(concept)을 가질 수 있는 것이 아니며, 정신적 행위에 대한 학문적이고 언어적인 표시만을 단적으로 가질 수 있을 뿐이라고 하였다. 그러므로 버클리는 그와 같은 객관들을 우리에 의해서 감성적으로 지각된 사물들이라고 명명한다. 이 사물들은 현실적인 사물들이기는 하지만, 그러나 감각을 통해서 지각된 관념으로서 스스로 정신의 외부에 존재하지는 않는다. 다시 말해서, 모든 사물은 오로지 사물을 지각하거나 인식하는 정신 안에만 존재할 수 있을 뿐이다. 따라서 버클리에 따르면 이와 같은 사물들의 존재(esse)는 지각됨(percipi), 즉 “esse est percipi.”이다.