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Basic Dose Response of Fluorescent Screen-based Portal Imaging Device
여인환, Yeo. In-Hwan J., Yohannes. Yonas, Zhu. Yunping 대한방사선종양학회 대한방사선종양학회지 7 Pages
대한방사선종양학회 대한방사선종양학회지 1999, Vol.17 No.3 249-255 (7 pages)
목적 : 본 연구의 목적은 섬광판을 사용하는 전자조사문영상장치의 기본적인 선량반응성을 연구하는 것이다. 대상 및 방법 : 팬텀의 두께와 구성 및 팬텀과 영상장치와의 거리를 변화시킴으로 영상장치에 입사하는 방사선질을 변화시켜가면서 조사면평면에서 신호를 읽었다. 또한 섬광에 의한 신호가 전체신호에 기여하는 상대적인 정도를 모사하였다. 결과 : 본 연구는 조사면평면상에서 선량분포가 팬텀과의 거리 및 팬텀의 두께의 함수임을 보였다. 팬텀의 구성에 따라 조사면영상장치에 의한 선량의 오차는 크게는 $7\%$ 에 달하는... -
Repeated dose toxicity of alfa-cypermethrin in rats
S Manna, D Bhattacharyya, TK Mandal, S Das 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2004, 제 5권 제 3호 9 241-245 (5 pages)
rats were given repeated daily oral dose (1/10 LD50 ) of α-CP for 30 days. The animals were sacrificed on 31st day. Activities of various enzymes, cytochrome P450 and b5 contents in liver, hepatic antioxidant status, tissue residue concentration, haemogram and pathological changes were studied. It increased the serum aminotransaminases (AST, ALT), alkaline phosphatase (ALP), lactate dehydrogenase (LDH) activities and blood glucose level significantly. α-CP decreased RBC count, PCV and Hb level... -
EPID (Electronic Portal Imaging Device)의 유용성에 관한 고찰
이충원, 박도근, 최아현, 안종호, 송기원, Lee. Choong Won, Park. Do Keun, Choi. A Hyun, Ahn. Jong Ho, Song. Ki Weon 대한방사선치료학회 대한방사선치료학회지 11 Pages
대한방사선치료학회 대한방사선치료학회지 2013, Vol.25 No.1 57-67 (11 pages)
대상 및 방법: 대한방사선치료학회, 대한방사선종양학회, Pubmed에서 "EPID", "Portal dosimetry", "Portal image", "Dose verification", "Quality control", "Cine mode", "Quality - assurance", "In vivo dosimetry"와 같은 용어로 검색하여 획득한 50개의 자료(1997~2012)를 대상으로 EPID의 역사와 선량측정(dosimetry), 자세확인(set-up verification), EPID 특성으로 구분하여 EPID의 유용성을 분석 하였다. 결 과: EPID는 1세대 Liquid-filled... -
골반강 내 방사선 치료 환자에서 Electronic Portal Imaging Device(EPID)를 이용한 Portal Image의 유용성에 관한 연구
김우철, 박원, 김현정, 박성용, 조영갑, 노준규, 서창옥, 김귀언, Kim. Woo Chul, Park. Won, Kim. Heon Jong, Park. Seong Young, Cho. Young Kap, Loh. John J, Suh. Chang Ok 대한방사선종양학회 대한방사선종양학회지 8 Pages
대한방사선종양학회 대한방사선종양학회지 1998, Vol.16 No.4 497-504 (8 pages)
ion chamber type의 EPID와 video camera based EPID를 이용한 portal image와 기존의 film을 이용한 port film의 영상의 질을 객관적으로 비교 평가하여 EPID의 유용성을 알아보고자 본 연구를 계획하였다. 대상 및 방법 : 1997년 4월부터 10월까지의 인하대 병원과 세브란스 병원에서 방사선 치료를 받은 골반강내 치료 환자 각 10명씩을 대상으로 환자 1명 당 5-10회의 port film과 EPID를 이용한 portal image를 동시에 얻어 비교하였다. 환자의 나이는 32세에서 79세이었고 2명의 AP영상을 제외하고는 모두 PA영상을 얻었다. 환자의... -
Laparoscopic ovariectomy in dogs: comparison between laparoendoscopic single-site and three-portal access
Angelo E. Tapia-Araya, Idoia D?az-G?emes Martin-Portugu?s, Laura Fresno Bermejo, Francisco Miguel S?nchez-Margallo 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2015, 제 16권 제 4호 17 525-530 (6 pages)
portal laparoscopic ovariectomy (Lap-OVE) in dogs. Ten female mixed breed dogs were included in the study. Dogs were divided into group 1 (LESS-OVE; n = 5) and group 2 (Lap-OVE; n = 5). All procedures were performed by laparoscopic-skilled surgeons, and the anesthetic protocol was the same for all patients. In both groups, the ovarian vascular pedicle and ligaments were transected using a bipolar vessel sealer/divider device. The mean total surgical time was slightly longer in LESS-OVE (36.6 ±... -
Electronic Portal Imaging Device(EPID)의 유용성 평가
이양훈, 김보겸, 정치훈, 이제희, 박흥득, Lee. Yang-Hoon, Kim. Bo-Kyoum, Jung. Chi-Hoon, Lee. Je-Hee, Park. Heung-Deuk 대한방사선치료학회 대한방사선치료학회지 13 Pages
대한방사선치료학회 대한방사선치료학회지 2005, Vol.17 No.1 19-31 (13 pages)
치료부위의 재현성을 유지하기 위해 Port film을 통한 정도관리가 이루어져 왔으며 Mega Voltage Imaging (MVI) System(mvis)이 출현한 이후로 많은 발전을 이루어 현재는 필름과 Electronic portal Image Device(EPID)를 통한 정도관리가 함께 이루어지고 있다. 이에 본 논문에서는 현재 사용하고 있는 EPID 시스템의 소개와 amorphous silicon (aSi) type EPID가 Intersity Modulated Radiation Therapu(IMRT)에서 film dosimetry를 대체할 수 있는지에 대한 가능성을 분석하였다. 대상 및 방법 : Varian 21EX의 aSi type EPID와 Varian... -
Comparison of the effects of isoflurane versus propofolremifentanil anesthesia on oxygen delivery during thoracoscopic lung lobectomy with one-lung ventilation in dogs
Jiyoung Park, Hae-Beom Lee, Seong Mok Jeong 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 3호 12 426-433 (8 pages)
This study compared effects of isoflurane inhalation (ISO) and propofol-remifentanil combined total intravenous anesthesia (TIVA) on oxygenation during thoracoscopic lung lobectomy with 30-min one-lung ventilation (1LV). Thoracoscopic right middle lung lobectomy was performed in ten dogs divided into ISO and TIVA groups, and cardiopulmonary parameters were measured with blood gas analysis. Throughout the study, isoflurane was inhaled up to 1.5%, and the infusion rates of propofol and... -
Optimal scan delay depending on contrast material injection duration in abdominal multi-phase computed tomography of pancreas and liver in normal Beagle dogs
Soo-Young Choi, In Lee, Ji-Won Seo, Hyun-Young Park, Ho-Jung Choi, Young-Won Lee 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 4호 15 555-561 (7 pages)
This study was conducted to establish the values for optimal fixed scan delays and diagnostic scan delays associated with the bolus-tracking technique using various contrast material injection durations in canine abdominal multi-phase computed tomography (CT). This study consisted of two experiments employing the crossover method. In experiment 1, three dynamic scans at the porta hepatis were performed using 5, 10 and 15 sec injection durations. In experiment 2, two CT scans consisting of five... -
N-acetylcysteine protects against cadmium-induced oxidative stress in rat hepatocytes
Jicang Wang, Huali Zhu, Xuezhong Liu, Zongping Liu, 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2014, 제 15권 제 4호 4 485-493 (9 pages)
Cadmium (Cd) is a well-known hepatotoxic environmental pollutant. We used rat hepatocytes as a model to study oxidative damage induced by Cd, effects on the antioxidant systems, and the role of N-acetylcysteine (NAC) in protecting cells against Cd toxicity. Hepatocytes were incubated for 12 and 24 h with Cd (2.5, 5, 10 μM). Results showed that Cd can induce cytotoxicity: 10 μM resulted in 36.2% mortality after 12 h and 47.8% after 24 h. Lactate dehydrogenase, aspartate... -
Enhancing mucosal immunity in mice by recombinant adenovirus expressing major epitopes of porcine circovirus-2 capsid protein delivered with cytosine-phosphate-guanosine oligodeoxynucleotides
Hong-tao Chang, Xiu-yuan He, Yu-Feng Liu, Lu Chen*, Quan-hai Guo, Qiu-ying Yu, Jun Zhao, Xin-wei Wang, Xia Yang, Chuan-qing Wang 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2014, 제 15권 제 3호 8 399-407 (9 pages)
A recombinant replication-defective adenovirus expressing the major epitopes of porcine circovirus-2 (PCV-2) capsid protein (rAd/Cap/518) was previously constructed and shown to induce mucosal immunity in mice following intranasal delivery. In the present study, immune responses induced by intranasal immunization with a combination of rAd/Cap/518 and cytosine-phosphate-guanosine oligodeoxynucleotides (CpG ODN) were evaluated in mice. The levels of PCV-2-specific IgG in serum and IgA in saliva,... -
Oxidative response of neutrophils to platelet-activating factor is altered during acute ruminal acidosis induced by oligofructose in heifers
Claudia Concha, María Daniella Carretta, Pablo Alarcón, Ivan Conejeros, Diego Gallardo, Alejandra Isabel H 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2014, 제 15권 제 2호 7 217-224 (8 pages)
Reactive oxygen species (ROS) production is one of the main mechanisms used to kill microbes during innate immune response. D-lactic acid, which is augmented during acute ruminal acidosis, reduces platelet activating factor (PAF)-induced ROS production and L-selectin shedding in bovine neutrophils in vitro. This study was conducted to investigate whether acute ruminal acidosis induced by acute oligofructose overload in heifers interferes with ROS production and L-selectin shedding in blood... -
Pathogen translocation and histopathological lesions in an experimental model of Salmonella Dublin infection in calves receiving lactic acid bacteria and lactose supplements
Laureano S. Frizzo*, Maria V. Zbrun, Lorena P. Soto, Ezequiel Bertozzi, Gabriel J. Sequeira, Luis E. Marti, Marcelo L. Signorini 대한수의학회 Journal of Veterinary Science 10 Pages
대한수의학회 Journal of Veterinary Science 2012, 제 13권 제 3호 7 261-270 (10 pages)
a daily dose of 10 CFU/kg body weight of each strain throughout the experiment. Lactose was provided to the L-LAB-G in doses of 100 g/day. Salmonella Dublin (2 × 10 CFU) was orally administered to all animals on day 11 of the experiment. The microscopic lesion index values in target organs were 83%, 70%, and 64.3% (p ＜ 0.05) for the C-G, LAB-G, and L-LAB-G, respectively. Administration of the probiotic inoculum was not fully effective against infection caused by Salmonella. Although probiotic... -
Three-dimensional CT angiography of the canine hepatic vasculature
Yucheol Jeong, Changyun Lim, Sunkyoung Oh, Joohyun Jung, Jinhwa Chang, Junghee Yoon, Mincheol Choi* 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2008, 제 9권 제 4호 11 407-414 (8 pages)
Eight Beagle dogs were anesthetized and were imaged using a single channel helical CT scanner. The contrast medium used in this study was iohexol (300 mg I/ml) and doses were 0.5 ml/kg for a cine scan, 3 ml/kg for an enhanced scan. The flow rate for contrast material administration was 2 ml/sec for all scans. This study was divided into three steps, with unenhanced, cine and enhanced scans. The enhanced scan was subdivided into the arterial phase and the venous phase. All of the enhanced scans... -
The inhibitory effect of quercitrin gallate on iNOS expression induced by lipopolysaccharide in Balb/c mice
Hyun-Ye Jo, Youngsoo Kim, Sang-Yoon Nam, Beom Jun Lee, Yun-Bae Kim, Young Won Yun, Byeongwoo Ahn 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2008, 제 9권 제 3호 6 267-272 (6 pages)
revealed that the increased levels of iNOS expression that occurred in response to treatment with LPS were significantly attenuated in response to QGR pretreatment. Histologically, LPS induced the infiltration of polymorphonuclear neutrophils in portal veins and sinusoids and caused the formation of a large number of necrotic cells; however, pretreatment with QGR attenuated these LPS induced effects. Taken together, these results indicate that QGR inhibits iNOS expression in vivo as well as in... -
Inherited canine copper toxicosis in Australian Bedlington Terriers
Changbaig Hyun and Lucio John Filippich 대한수의학회 Journal of Veterinary Science 10 Pages
대한수의학회 Journal of Veterinary Science 2004, 제 5권 제 1호 4 19-28 (10 pages)
Inherited copper toxicosis in Bedlington Terriers (CTBT) is a copper associated hepatopathy caused by an autosomal recessive genetic defect of gene involving copper metabolism. To compare clinical and histopathological findings with previous reports and to expand our knowledge for future genetic studies, 18 terriers were clinically and histopathologically examined in this study. Pedigree information and dietary history were obtained from the owners before a thorough clinical examination was... -
Korean red ginseng prevents ethanol-induced hepatotoxicity in isolated perfused rat Liver
Hye Min Park , Shang Jin Kim , Hyeon Kyu Go , Gi Beum Kim , Sung Zoo Kim , Jin Shang Kim , Hyung Sub Kang 대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 6 Pages
대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 2011, 제 51권 제 2호 10 159-164 (6 pages)
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Inhibition of voltage-dependent K+ current in rabbit coronary arterial smooth muscle cells by the class Ic antiarrhythmic drug propafenone
Jin Ryeol An, Hongliang Li, Mi Seon Seo, Won Sun Park 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2018, Vol.22 No.5 13 597-605 (9 pages)
a dose-dependent manner, with an apparent IC50 value of 5.04±1.05 μM and a Hill coefficient of 0.78±0.06. The application of propafenone had no significant effect on the steady-state activation and inactivation curves, indicating that propafenone did not affect the voltage-sensitivity of Kv channels. The application of train pulses at frequencies of 1 or 2 Hz progressively increased the propafenone-induced inhibition of the Kv current. Furthermore, the inactivation recovery time constant was... -
Curcumin protects against the intestinal ischemia-reperfusion injury: involvement of the tight junction protein ZO-1 and TNF-α related mechanism
ShuyingTian, RuixueGuo, SichenWei, YuKong, XinliangWei, WeiweiWang, XiaomengShi, HongyuJiang 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2016, Vol.20 No.2 2 147-152 (6 pages)
Present study aimed to investigate the effect of curcumin-pretreatment on intestinal I/R injury and on intestinal mucosa barrier. Thirty Wistar rats were randomly divided into: sham, I/R, and curcumin groups (n=10). Animals in curcumin group were pretreated with curcumin by gastric gavage (200 mg/kg) for 2 days before I/R. Small intestine tissues were prepared for Haematoxylin & Eosin (H&E) staining. Serum diamine oxidase (DAO) and tumor necrosis factor (TNF)-α levels were measured....
