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최준식,문홍섭,최인,범진필 朝鮮大學校 1997 藥學硏究誌 Vol.18 No.2
The purpose of this investigation was to determine pharmacokinetic parameter of gentamicin using nonlinear least square regression(NLSR) and Bayesian analysis in Korea normal volunteers and gastrointestinal surgical patients. Nonparametric expected maximum(NPEM) method for population pharmacokinetic parameters was used. Gentamicin was administered every 8 hours for 3 days by infusion over 30 minutes. The volume of distribution(V) and elimination rate constant(K) of gentamicin were 0.226±0.032, 0.231±0.063 L/㎏ and 0.357± 0.024, 0.337±0.041 hr^-1 for normal volunteers and gastrointestinal surgical patients using NLSR analysis. Population pharmacokinetic parameters. KS and VS were 0.00344±0.00049(hr·mL/min/1.73㎡)^-1 and 0.214±0.0502 L/㎏ for gastronintestinal surgical patients using NPEM method. The V and K were 0.216±0.048 L/㎏ and 0.336±0.043 hr^-1 for gastrointestinal surgical patients using Bayesian analysis. There were no differences in gentamicin pharmacokinetic between NLSR and Bayesian analysis in gastrointestinal surgical patient.
Escherichia coli 패혈증 환자에 합병된 대칭적 하지 말단 괴사증 1예
남해성,유진홍,권순석,민준기,조현선,박민경,심병주,남유정,이지인,김진수,길욱현,조근종,신완식 대한감염학회 2005 감염과 화학요법 Vol.37 No.6
We have encountered a rare case of symmetrical peripheral gangrene complicating Escherichia coli sepsis in a 47-years-old male. He was successfully treated with antibiotics, anticoagulants, and vasodilator. To our knowledge, this is the first report on symmetrical peripheral gangrene complicating E. coli sepsis in Korea.
성견 절치에서 수직 골결손 형성후 함입이동시 치주조직의 반응
박양수,김영준,최홍란,황현식 전남대학교 치과대학 2000 전남치대논문집 Vol.12 No.1
The present study was performed to investigate the periodontal response following orthodontic intrusion of teeth with vertical bony defect produced by periodontal disease. Vertical bony defect and periodontal disease were produced adjacent to the both maxillary second lateral incisors in four adult dogs, weighing 20kg or more. Four weeks later, a flap operation was performed to eliminate inflammation and a reference notch was made on the root surface at the level of bottom of each defect. Two weeks after periodontal surgery, four weeks of intrusion and another four weeks of retention was executed on the right incisors while left incisors served as the control. Through the histologic analysis, following results were obtained. 1. The periodontal lesion which was produced by elastics and artificial bony defect was characterized by three walled infrabony pocket. 2. In the histologic section of control side, the base of the pocket was located below the level of the cemento-enamel junction. Connective tissue attachment was formed apically from the base of the pocket. 3. On the experimental side, the base of the pocket was localized close to the cemento-enamel junction. Connective tissue attachment was formed near to pocket base and extended apically. 4. New cementum was formed from the notch coronally toward the epithelial junction along the root surface in the both intruded incisors and control. 5. In the fluorescence microscopic observation, bone regeneration was began at the base of defect and the remodelling pattern characterized by a combination of coronal bone generation and resorption of the marginal crest could be detected. Although the remodelling pattern was the same in the both side, the bone remodelling in intruded incisors was continued during tooth movement. The results of the present study suggest that an orthodontic intrusion of extruded incisors with vertical bony defect can be carried out with a desirable periodontal response, provided that both the oral hygiene and the biomechanical force system are kept under control.
( Jun Shik Hong ),( Sun Young Kyung ),( Sang Pyo Lee ),( Jeong Woong Park ),( Sung Hwan Jung ),( Jae Ik Lee ),( Se Hoon Park ),( Sun Jin Sym ),( Jinny Park ),( Eun Kyung Cho ),( Dong Bok Shin ),( Jae 대한내과학회 2010 The Korean Journal of Internal Medicine Vol.25 No.3
Background/Aims: The efficacy and safety of pemetrexed, gefitinib, and erlotinib administration in previously treated patients with non-small cell lung cancer (NSCLC) were compared. Methods: The study patients met the following criteria: histologically confirmed, previously treated advanced (stage IIIB or IV) or recurrent NSCLC; a measurable lesion; ≥18 years of age; Eastern Cooperative Oncology Group Performance status 0 to 2; and no prior exposure to the three study drugs. Patients received 500 mg/m2 of pemetrexed intravenously every 3 weeks with vitamin supplementation, gefitinib (250 mg/day per os), or erlotinib (150 mg/day per os). Results: Of 57 patients (pemetrexed, 20; gefitinib, 20; and erlotinib, 17), 55 were evaluated for a response. The numbers of males, smokers, and squamous histology were increased in the pemetrexed group compared to the other groups. The objective response rates were 5.3%, 25.0%, and 12.5% (p=0.22), and the disease control rates (DCR) were 5.3%, 40.0%, and 50.0%, respectively (p<0.01). The median progression-free survival (PFS) was 1.7, 3.5, and 4.4 months (p<0.01) and the median overall survival (OS) was 5.6, 21.8, and 21.5 months (p=0.04), respectively. In subgroup analyses, patients with non-squamous histology, males, and a smoking history had a higher DCR and longer PFS with gefitinib and erlotinib than with pemetrexed. All three chemotherapeutic agents had manageable toxicities. Conclusions: Both oral epidermal growth factor receptor tyrosine kinase inhibitors (EGFR TKIs) had comparable efficacy and safety. The superior PFS and OS of EGFR TKIs with more favorable baseline clinical characteristics than those of pemetrexed suggest the impact of baseline clinicopathological factors. (Korean J Intern Med 2010;25:294-300)
Different Course of Narcolepsy Diagnosed by Multiple Sleep Latency Test: A Single Center Experience
Chun Hong-Shik,Kim Sung-Min,Kim Tae Won,Um Yoo Hyun,Jeong Jong-Hyun,Seo Ho-Jun,Hong Seung-Chul 대한수면학회 2022 sleep medicine research Vol.13 No.3
Background and Objective Several studies have raised questions about determining the diagnosis of the narcolepsy using multiple sleep latency test (MSLT). In this study, we investigated the diagnostic change in narcolepsy type 1 (NT1) and narcolepsy type 2 (NT2) using MSLT with long-term interval.Methods In this retrospective study, the demographic characteristics, polysomnography (PSG), and MSLT parameters were compared at the baseline between the NT1 and NT 2 patients. Then, MSLT re-tests were conducted with a mean follow-up of 8.48 years in patients with NT 1 and 7.05 years with NT 2.Results Seventy-four patients (58 with NT1 and 16 with NT2) were investigated in this study. At the baseline, demographic data showed a larger body mass index value, more sleep paralysis, and hypnogogic hallucination in NT 1 compared to NT 2. Also, at baseline MSLT, shorter mean sleep latency and higher number of sleep onset rapid eye movement periods (SOREMPs) were observed in the NT 1 than those of the NT 2. On follow-up MSLT, 6.9% (n = 4) patients with NT1 and 50% (n = 8) patients with NT2 did not satisfy the previous diagnosis. Furthermore, in all the groups who had the change in repeated-MSLT, the groups with less than 2 SOREMPs observed to be accompanied by negative MSL at follow-up.Conclusions The result of MSLT was observed not to be stable in the diagnosis of NT 2 at the study. Therefore, it is recommended to repeat MSLT at regular intervals and do a prospective multi-site survey for the accurate confirmation of a diagnosis of central hypersomnia.
홍준식 ( Jun Shik Hong ),박재찬 ( Jae Chan Park ),엄영실 ( Young Sil Eom ),김민정 ( Min Jung Kim ),박상희 ( Sang Hui Park ),정우경 ( Woo Kyung Chung ),박연호 ( Yeon Ho Park ),양재석 ( Jae Seok Yang ),이현희 ( Hyun Hee Lee ) 대한신장학회 2008 Kidney Research and Clinical Practice Vol.27 No.2
Malignancy is one of the important complications after renal transplantation, and decreases both patient survival and graft survival. Hepatic angiosarcoma is the most common sarcoma in liver, but a rare malignant tumor which occupies about 2% of all hepatic malignancies. We report a case of primary hepatic angiosarcoma after renal transplantation, the first case of post-transplantation angiosarcoma in Korea. A 27-year old man had received a living related renal transplantation. He was admitted due to clinical manifestations of liver cirrhosis such as ascites, spontaneous bacterial peritonitis, and varix bleeding at 8 months after transplantation. Whole liver was infiltrated with angiosarcoma; therefore, he was managed only by supportive care. Considering the poor prognosis of hepatic angiosarcoma, both careful screening of malignancy before transplantation and periodic surveillance of malignancy after transplantation are essential.