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일차성 Streptococcus pneumoniae 균혈증에 동반된 흉부 하행 대동맥염 1예
전민혁,고옥배,정우진,최영준,이정훈,최상호,김미나,김양수,우준희,류지소 대한감염학회 2005 감염과 화학요법 Vol.37 No.5
페렴구균에 의한 대동맥염은 국내에서 1예만 보고될 정도로 매우 드문 감염증이다. 저자들은 원발성의 폐렴구균혈증에 합병된 페렴구균 대동맥염 환자 1례를 경험하였기에 문헌고찰과 함께 보고하는 바이다. Bacterial aortitis is rare and without surgical intervention, it usually leads to uncontrolled sepsis or catastrophic hemorrhage, ultimately, resulting in death. In the postantibiotic era, the dominant infecting organisms are Staphylococcus aureus and Salmonella spp.. In spite of frequent pneumococcal bacteremia, vascular seeding is rare and there is only one published report in Korea. We describe a 77-year-old female with primary pneumococcal bacteremia followed by aortitis of the descending aorta, which was successfully treated by aneurysmectomy, wide excision of periaortic tissue, aortobiiliac bypass via prosthetic graft, and antibiotic therapy.
廢CRT의 再活用 工程에서 발생한 슬러지로부터 Y의 회수
田埈美,李在天,鄭鎭己,金南澈 공주대학교 자원재활용 신소재 연구센터 2002 센터사업 성과집 Vol.- No.1
폐CRT의 재활용 공정에서 Panel 유리에 도포 된 형광체의 제거 시 발생하는 슬러지로부터 Y를 회수하는 연구를 수행하였다. HCl 및 NHO_3을 사용하여 Y를 침출하였으며 산 농도, 침출온도, 침출시간, 광액농도가 침출율에 미치는 영향을 조사하였다. 또한 침출액으로부터 Y와 Pb를 침전 법으로 회수하는 실험을 행하였다. 슬러지로부터 HCl 및 HNO_3에 의한 Y의 침출거동은 유사한 경향을 나타내었다. 광액농도를 280 g/L로 하여 90℃에서 3.0M HCl 및 HNO_3으로 침출 하였을 때 시간에 따라 Y의 침출율은 증가하다가 40분 이상에서는 각각 93%, 90%로 일정한 침출율을 나타내었다. 침출액에 H_2C_2O_4을 첨가하여 Y를 회수하였으며 Pb는 Na_2SO_4를 가하여 PbSO_4로 제거하였다. A study on the recovery of yttrium was conducted using the phosphor sludges generated in the recycling process of obsolete CRTs. Yttrium was leached by HCl and HNO_2. The leaching efficiency of yttrium was extensively investigated in terms of acid concentration, leaching temperature and time, and pulp density. Yttrium and lead was recovered from leaching solutions also by precipitation method. The leaching behavior of yttrium was similar in both acids. The leaching efficiency of yttrium for both acids increased with time at the conditions of 3.0M, 90℃, and 280 g/L of pulp density. After 40 minutes, it was saturated to 93% and 90% for HCl and HNO_3, respectively. Yttrium was recovered from leaching acid solution by the addition of H_2C_2O_4 while lead was removed as PbSO_4 by Na_2SO_4.
송준영,김미숙,전미령 조선대학교 스포츠과학연구소 1998 스포츠科學硏究 Vol.9 No.-
To recover humanity, forfeited by development of material civilization inconsequence of high growth of economy with harmony of nature and to create a spiritually affluent society and culture, importance of dance is increasing. The present study examined development process of Korean Folk Dance and presents plans for popularization of Korean Folk Dance to develope and revitalize Korean Folk Dance. To develope and popularize Korean folk Dance, we need following plans. 1. Extending and renovating the educational system. 2. Categorizing traditional dances and using repertory system. 3. Using mass-media and activating criticism. 4. Activating dance performance in little theaters and diversifying performance places.
응급실에 내원한 환자에서 어지럼증의 원인과 임상양상의 분석
문원식,정경운,위준선,문정미,전병조,김용권,소정일,류진호,허탁,민용일 대한응급의학회 2001 대한응급의학회지 Vol.12 No.3
Background: Recently, The number of patients who have been complaining of the vertigo or dizziness has been increasing due to rapid growth of elderly population and senile disease. The differentiation of dizzy patients is not familiar to most emergency physicians. This study was designed to differentiate true vertigo and to investigate the clinical difference among central vertigo, peripheral vertigo, and other causes of dizziness. Methods: The authors analyzed the cases of 237 dizzy patients who visited the emergency department of Chonnam University Hospital during the recent 2 years. For the base of dizziness, associated past illnesses, severity, nystagmus type, and the causes of central and peripheral vertigo. Results: Female patients were 142(59.9%) and male patients were 95(40.1%). The most common age group was the 6th decade. The origin of dizziness was classified as peripheral cause(25.3%), central cause(32.9%), and others(41.8%). As to nature of the dizziness, the rotatory sense was dominant in peripheral vertigo and the floating sense and blurred vision in central vertigo. Peripheral vertigo was triggered by position change of head and body, and central vertigo by the eye movement. Audiograms I showed that most patients with central vertigo had normal hearing, but 46.7% of thoswith peripheral vertigo had an abnormal hearing disturbance. Nystagmus was more prevalent in peripheral vertigo Conclusion: History taking and physical examination played an important role in the diagnosis of dizzy patients. An important part of the diagnosis of a dizzy patient could be to evaluate the peripheral origin, the central origin and others causes. Because central vertigo may be associated with a significant neurological pathology, spectral radiological studies, including MRI and CT, are mandatory to rule out a devastating brain lesion.
Influences of Chronic Shoulder Pain on Muscle Tone Changes in Trunk Muscles
Jeon, Hye Mi,Choi, Yoo Rim,Park, Si Eun,An, Ho Jung,Lee, Sang Bin,Choi, Wan Suk,Kim, Nyeon Jun,Kim, Hee Kyoung,Kim, Mi Jung,Kim, Soon Hee International Academy of Physical Therapy Research 2013 Journal of International Academy of Physical Ther Vol.4 No.1
The purpose of this study was to examine the influences of chronic shoulder pain on the muscle tone in trunk muscles. The study's subjects were 40 men and women in their 30 to 50s, which were divided into two groups. A chronic shoulder pain group consisted of 20 subjects who had been diagnosed with chronic shoulder pain by doctors, and a painless group consisted of 20 subjects who had experienced no such pain. An analysis was performed using electromyography on the muscle tone in the rectus abdominalis, external oblique, internal oblique, and erector spinae muscles under the same conditions between the two groups. The analysis results were as follows. The chronic shoulder pain group exhibited an overall high level of trunk muscle tone than the painless group, along with a statistically significant difference in the rectus abdominalis(p<.05). Moreover, the chronic shoulder pain group showed differences in the trunk muscle tone depending on the affected side. The chronic left shoulder pain group yielded higher levels of muscle tone in the right-side trunk muscles. In particular, the group revealed statistically significant differences in the rectus abdominalis and internal oblique(p<.05). The chronic right shoulder pain group exhibited higher levels of muscle tone in the left-side trunk muscles with a statistically significant difference in the internal oblique(p<.05). The above results suggested that chronic shoulder pain influences increases in the muscle tone in the trunk muscles on the opposite side to the affected shoulder.
CD137 (4-1BB) Deficiency Reduces Atherosclerosis in Hyperlipidemic Mice
Jeon, Hyung Jun,Choi, Jae-Hoon,Jung, In-Hyuk,Park, Jong-Gil,Lee, Mi-Ran,Lee, Mi-Ni,Kim, Bora,Yoo, Ji-Young,Jeong, Se-Jin,Kim, Dae-Yong,Park, Jeong Euy,Park, Hyun-Young,Kwack, KyuBum,Choi, Beom Kyu,Kwo Ovid Technologies Wolters Kluwer -American Heart A 2010 CIRCULATION - Vol.121 No.9
( Mi Young Jeon ),( Beom Kyung Kim ),( Jun Yong Park ),( Do Young Kim ),( Sang Hoon Ahn ),( Kwang-hyub Han ),( Jeong- Hoon Lee ),( Su Jong Yu ),( Yoon Jun Kim ),( Jung-hwan Yoon ),( Eun Ju Cho ),( Seu 대한간학회 2018 춘·추계 학술대회 (KASL) Vol.2018 No.1
Aims: Few prognostic models are available for patients with recurrent hepatocellular carcinoma (HCC) following curative resection. A new postoperative hepatoma arterial-embolization prognostic (HAP) score optimized for patients treated with trans-arterial chemoembolization (TACE) due to recurrent HCC after curative resection was developed and validated. Methods: A total of 448 (training cohort) and 350 (validation cohort) patients with recurrent HCC after curative resection treated with TACE between 2003 and 2016 were enrolled. Cox regression and area under the curve (AUC) analysis were used to identify risk factors and to calculate the predictive performance of risk scores, respectively. Results: The median age of the study population (378 men, 70 women) was 59.4 years. The median time from resection to recurrence was 17.7 (interquartile range, 7.3-37.1) months. Alpha-fetoprotein>400ng/mL (hazard ratio [HR]=2.358), serum albumin≤3.5g/dL (HR=1.979), tumor number≥2 (HR=1.655), segmental portal vein invasion (HR=2.541), and time from resection to recurrence≤2 years (HR=1.905) independently predicted survival (all P<0.05). The postoperative HAP (pHAP) model established based on the rounded HR of each variable showed an AUC to predict survival at 3-years of 0.671 significantly higher than those of other HAP-based models including HAP, modified HAP, and modified HAP-II scores (0.578-0.624) (all P<0.05). The accuracy of pHAP was maintained in the validation cohort (n=350; AUC=0.638 at 3-years). Conclusions: A new pHAP score optimized for patients treated with TACE due to recurrent HCC after curative resection showed acceptable accuracy and was externally validated. Further studies should investigate Methods: to select treatment options other than TACE for high-risk patients according to pHAP scores.
( Mi Hyeon Lee ),( Joo Hyun Jun ),( Eun Mi Choi ),( Eun Mi Kim ),( Young Ryong Choi ),( Pil Hyun Jeon ),( Seung Hwa Baek ),( Mi Hwa Chung ),( Wha Ja Kang ) 경희대학교 경희의료원 2016 慶熙醫學 Vol.31 No.1
Paragangliomas are rare tumors that arise from extra-adrenal chromaffine tissues and that secrete catecholamine. The abnormal secretion of catecholamine can cause cardiovascular complications such as severe hypertension, cardiomyopathy, cardiac arrhythmia, and aortic aneurysm rupture. In particular, the risk of mortality and morbidity increases if the patient has not been diagnosed or if the preparation for a possible hypertensive crisis has been insufficient. Moreover, it can lead to high risks of cardiovascular complications if the patient has a concomitant disorder such as aortic aneurysm. We report a case of preoperatively undiagnosed paraganglioma that caused a hypertensive crisis during the surgical removal of a retroperitoneal mass and the repair of an infra-renal abdominal aortic aneurysm (AAA) and left common iliac artery aneurysm.
Jun-Mi Jeon,Yoon-Sung Han,Ho-Yun Lee,Hong-Kee Lee 한국표면공학회 2010 한국표면공학회 학술발표회 초록집 Vol.2010 No.11
In order to form effective diffusion barriers within semiconductor interconnects, electroless NiP, NiCoP, and CoP electrolytes are developed and their surface properties are evaluated. As more Co is co-deposited in electroless Nickel layer, density of the deposition layer increases, and CoP shows the highest layer density. Sheet resistance of NiP layer triples after annealing at 500℃, but as more Co is deposited, itsvalue decreases. Electroless CoP layer rarely shows any change in electrical resistance after annealing, thus showing the most effective diffusion barrier property. After XRD analysis is performed, NiP layer shows the crystal structure of Ni₃P and other structures after the annealing, while CoP shows mostly the same crystal structure before and after the treatment.