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허승덕,정동근,김리석,김광년,강명구,김재룡,김기련 한국음성과학회 2004 음성과학 Vol.11 No.3
This paper introduces a development of an electrical stimulator for auditory stimulation. The electrical stimulator is useful in neurotological diagnosis, audiological evaluation, candidate selection for cochlear implantation, optimal device selection and decision making of MAP strategy for severe-to-profound hearing impaired persons. The development was based on sound parameters of auditory brainstem responses and auditory electrophysiological characteristic such as effective firing of auditory nerve and recording evoked potentials during refractory period of neuron. Besides pulse parameter could adjustable by programming for more varied electrical stimulation evoked response audiometry. Using the electrical stimulator, electrical square pulse was applied to promontory, and electrically evoked auditory brainstem response and electrically middle latency response were successfully recorded in cats.
김효언,윤규호,전인성,신재명,한광홍,배정호 大韓顎顔面成形再建外科學會 2003 Maxillofacial Plastic Reconstructive Surgery Vol.25 No.1
Odontomas are odontogenic harmatomas which are composed of hard dental tissue. This lesion is composed of more than one type of tissue and, for this reason, has been called a composite odontoma. Odontogenic cysts are derived from epithelium associated with the development of the dental apparatus. Dentigerous cyst originated after the crown has been completely formed by accumulation of fluid between the reduced enamel epithelium and the crown. It also associated with crown of impacted tooth. Cystic odontomas are closely similar to dentigerous cysts clinically and radiologically. Treatment of choice is total removal(enucleation) or decompression(marsupialization). We represent two cases of Cystic odontomas with literature review in 69-year old male and 55-year old female occured in anterior maxilla. The leisions were successfully treated by marsupializaion.
U형 프리캐스트 프리스트레스트 콘크리트 거더를 이용한 2경간 연속 교량구조의 개발을 위한 기초연구
이환우,김명식,김광양 釜慶大學校 1997 釜慶大學校 論文集 Vol.2 No.2
The current syudy is a part of esries of research about the development of new superstructure system to overcome the engineering problems in the design of bridges of 30m to 45m in span length using the existing bridge systems. The basic concept of new system in the continuation of adjacent two simple spans composed of the precast prestressed concrete U-type sections. The partial post tensioning method is applied to create the contimuity. In this stdy, the new technique was introduced and applied with an example design of two span of 40m in span lemgth to find the possibility for pratival applicatio as a feasibility syudy. The obtained results show that the new splicing method is expected to offer significant economical and serviceability advantages.
박지숙,이민진,정재원,김미혜,이서연,지윤미,한준호,김유학,공명석,한광현,노희명 忠北大學校 農業科學硏究所 2015 農業科學硏究 Vol.31 No.2
It is important to interpret the soil chemical properties in order to effectively manage the farmland. This study was conducted to investigate the soil chemical properties of upland soybean field according to the soil series at 32 upland fields located in the parts of Gangwon-do. Soil sampling sites were selected by using the National Statistics DB and KSIS DB that is a soil environment information system provided by the Rural Development Administration. Soil samples were collected from 0~15 cm of top soil before seeding or transplanting, air-dried, passed through a 2 mm sieve, and analyzed for soil pH, EC, organic matter, available phosphorus (P2O5), exchangeable potassium, exchangeable calcium and exchangeable magnesium. The average chemical properties have exceeded the each nutrient optimum range level of RDA, except the organic matter in experimental soil 2015. And despite application of conventional fertilization, each soil series nutrient contents were change respectively. The results of this study suggest that conventional fertilization should be applied based on the analysis about the amount of accumulated nutrient contents in the soil.
Kim, Ho Gak,Han, Jimin,Kim, Myung-Hwan,Cho, Kyu Hyun,Shin, Im Hee,Kim, Gwang Ha,Kim, Jae Seon,Kim, Jin Bong,Kim, Tae Nyeun,Kim, Tae Hyeon,Kim, Tae Hyo,Kim, Jae Woo,Ryu, Ji Kon,Moon, Young Soo,Moon, Jo WJG Press 2009 World journal of gastroenterology Vol.15 No.1
<P>To investigate prevalence of Clonorchis sinensis in patients with gastrointestinal symptoms, and the relation of the infection to hepatobiliary diseases in 26 hospitals in Korea.</P>
Efficacy and Safety of Fexuprazan in Patients with Acute or Chronic Gastritis
Kim Gwang Ha,Choi Myung-Gyu,Kim Jin Il,Lee Soo Teik,Chun Hoon Jai,Lee Kook Lae,Choi Suk Chei,Jang Jae-Young,Lee Yong Chan,Kim Jae Gyu,Kim Ki Bae,Shim Ki-Nam,Sohn Chong Il,Kim Sung Kook,Kim Sang Gyun,J 거트앤리버 소화기연관학회협의회 2023 Gut and Liver Vol.17 No.6
Background/Aims: Fexuprazan is a novel potassium-competitive acid blocker that could be of benefit to patients with gastric mucosal injury. The aim of this study was to assess the 2-week efficacy and safety of fexuprazan in patients with acute or chronic gastritis. Methods: In this study, 327 patients with acute or chronic gastritis who had one or more gastric erosions on endoscopy and subjective symptoms were randomized into three groups receiving fexuprazan 20 mg once a day (q.d.), fexuprazan 10 mg twice a day (b.i.d.), or placebo for 2 weeks. The posttreatment assessments were the primary endpoint (erosion improvement rate), secondary endpoints (cure rates of erosion and edema and improvement rates of redness, hemorrhage, and subjective symptoms), and drug-related adverse events. Results: Among the patients, 57.8% (59/102), 65.7% (67/102), and 40.6% (39/96) showed erosion improvement 2 weeks after receiving fexuprazan 20 mg q.d., fexuprazan 10 mg b.i.d., and placebo, respectively. Both fexuprazan 20 mg q.d. and 10 mg b.i.d. showed superior efficacy to the placebo (p=0.017 and p<0.001, respectively). Likewise, both fexuprazan 20 mg q.d. and 10 mg b.i.d. also showed higher erosion healing rates than the placebo (p=0.033 and p=0.010, respectively). No difference was noted in the edema healing rate and the improvement rates for redness, hemorrhage, and subjective symptoms between the fexuprazan and placebo groups. No significant difference was noted in the incidence of adverse drug reactions. Conclusions: Fexuprazan 20 mg q.d. and 10 mg b.i.d. for 2 weeks showed therapeutic efficacy superior to that of placebo in patients with acute or chronic gastritis
김지영,김병구,김민철,이태관,김수경,이광민,백현선,조덕수,주명진 대한내과학회 1997 대한내과학회지 Vol.52 No.3
This article describes a case of intra-abdominal desmoplastic small round cell tumor(DSRCT) experienced by the authors. The patient was 36ear old male, and admitted because of the mass of right inguinal area, back pain, weakness of low extremities. Imaging studies, right inguinal mass biopsy finding, immunohistochemical stains were compatible with DSRCT. Aggressive treatment with chemotherapy resulted in remarkable response temporarily in terms of tumor size and pulmonary metastasis. But as other author`s reports, multiple metastases to brain, spine, lung were progressed in our case. The patient died 13months after diagnosis.
무증상 한국인에서 근위부 대장용종의 예측 인자로서 원위부 대장용종의 의미
김진호,최재원,주광로,민영일,김해경,김영민,박의련,홍원선,김도하,정성애,명승재,김석균,양석균,정훈용,조문경,심기남,김기락 대한소화기학회 2000 대한소화기학회지 Vol.36 No.5
Background/Aims: The aim of this study was to examine whether rectosigmoid polyps could be a marker for proximal lesions. Methods: A total of 367 asymptomatic patients with distal colonic polyps (314 adenomatous; 53 hyperplastic) noted on sigmoidoscopy and 134 asymptomatic controls without distal colonic polyps were evaluated with total colonoscopy. No one had risk factors of colorectal cancers or polyps. Results: Incidence of synchronous proximal adenomas was higher in the patients with distal adenomas than in the patients with distal hyperplastic polyps and the controls (30.3% vs 17.0% and 15.7%, p$lt;0.05). It was also higher in the patients with multiple distal adenomas than in the patients with single distal adenoma. Patients with distal adenomas bigger than 5 mm in diameter had a higher risk of synchronous proximal adenomas (42.4% vs 25.8%, p$lt;0.005). Patients with advanced distal adenomas had a higher prevalence of advanced adenomas in the proximal colon than those with non-advanced distal adenomas (9.1% vs 2.1%, p$lt;0.05). Conclusion: Rectosigmoid polyps detected on flexible sigmoidoscopy can be a predictor of proximal neoplasia according to their morphologic characteristics and pathology.