Kay Chul-Seoung;Jang Hong-Suk;Kim Sung-hwan;Ryu Mi-Ryeong;Kim Yeon-Shil;Chung Su-Mi;Yoon Sei-Chul
Radiation Oncology Journal
/
v.17
no.3
/
pp.209-216
/
1999
Purpose : To evaluate the effectiveness of external radiation therapy and the prognostic factors, we retrospectively analyzed therapeutic results of malignant extrahepatic biliary obstruction (EHBO). Methods and Materials : We analyzed the results of the external radiation therapy in 59 patients of inoperable malignant EHBO who had been treated with more than 10 Gy of external radiation therapy from April 1984 to December 1990. There were 21 stomach cancer ($35.6\%$), 12 pancreas cancer ($20.3\%$), 15 extrahepatic biliary cancer ($18.0\%$) and 11 another cancer ($18.0\%$). Their pathologies were confirmed in 31 patients ($52.5\%$). They divided into 27 adenocarcinoma and 4 nonadenocarcinoma. Their chief complaints were jaundice in 47 patients ($79.7\%$) and abdominal pain in 15 patients ($49.2\%$). Twelve patients had slightly increased bilirubin level in liver function test without jaundice. We treated twenty four patients ($40.6\%$) with percutaneous transhepatic biliary drainage (PTBD) and 32 patients ($54\%$) with systemic chemotherapy (CT). We performed external radiation therapy (ERT) upto $10.8\~55.8$ Gy (median 37.8 Gy) with palliative aim. Results : Overall median survival duration was $7.80\pm1.15$ months. The response rates of jaundice were $81.8\%$ in PTBO group and $66.7\%$ in non-PTBD group without statistical significance. The improving rate of jaundice was not significantly different in decreased ratio of total bilirubin level. But abdominal pain was more decreased in CT group than non-CT group (p<0.05). The significant prognostic factors were high performance status (Karnofski Performance Status >70), total radiation dose more than 35 Gy and good response of pain after therapy. There were increased in bacterial cholagitis in PTBD group and gastrointestinal complications in CT group. Conclusion : External radiotheapy could improve jaundice and abdominal pain in malignant EHBO patients, Overall survival duration was prolonged in patients with higher performance status and patients who had been treated with more than 35 Gy of total radiation dose. In the future, we expect not only better palliative role but also the prolongation of survival of using the ERT combined with other treatment method. But to achieve certain conclusion, we need luther study consisted with many kinds of treatment methods including new technologies in RT.
Journal of the Korean Society of Food Science and Nutrition
/
v.46
no.9
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pp.1097-1105
/
2017
This study examined how much chicken meat was in sausage made with pork. Both real-time polymerase chain reaction (PCR) and internal standard addition were used. Fifty ng of chicken DNA was added to the sausages as an internal standard. The addition of standard DNA increased the amplification efficiency of PCR and confirmed the possibility of quantitative analysis. A QIAamp DNA Micro Kit was used to improve the DNA recovery and amplification efficiency. The density of template DNA and primer were suitable for $3.0{\sim}5.0{\mu}L$ and $0.5{\mu}L$, respectively. Each DNA of pig and chicken was diluted in 10-fold from steps 50 ng to 0.05 ng. The detection limit of both pig and chicken meat was more than 0.05 ng and the correlation coefficient of the standard curve was at least 0.98. The result of the quantitative analysis after heat treatment of 3 samples of pigs and chickens mixed at 70:30 showed a 5.7% difference (64.3:35.7) between the expected value and measured value. The quantitative value was changed by affecting the DNA according to the heat treatment ($70^{\circ}C$, 10 min). An analysis of the pork and chicken content in sausages showed that it was difficult to detect chicken meat and the quantitative value of DNA according to the Ct value was very low. On the other hand, when adding standard material (50 ng of chicken DNA) to the sausages, the Ct value decreased gradually with increasing chicken mixing ratio. Thus, the mixing ratio of chicken in sausages could be estimated.
Palmela, Carolina;Velho, Sonia;Agostinho, Lisa;Branco, Francisco;Santos, Marta;Santos, Maria Pia Costa;Oliveira, Maria Helena;Strecht, Joao;Maio, Rui;Cravo, Marilia;Baracos, Vickie E.
Journal of Gastric Cancer
/
v.17
no.1
/
pp.74-87
/
2017
Purpose: Neoadjuvant chemotherapy has been shown to improve survival in locally advanced gastric cancer, but it is associated with significant toxicity. Sarcopenia and sarcopenic obesity have been studied in several types of cancers and have been reported to be associated with higher chemotherapy toxicity and morbi-mortality. The aim of this study was to assess the prevalence of sarcopenia/sarcopenic obesity in patients with gastric cancer, as well as its association with chemotherapy toxicity and long-term outcomes. Materials and Methods: A retrospective analysis was performed using an academic cancer center patient cohort diagnosed with locally advanced gastric cancer between January 2012 and December 2014 and treated with neoadjuvant chemotherapy. We analyzed body composition (skeletal muscle and visceral fat index) in axial computed tomography images. Results: A total of 48 patients met the inclusion criteria. The mean age was $68{\pm}10years$, and 33 patients (69%) were men. Dose-limiting toxicity was observed in 22 patients (46%), and treatment was terminated early owing to toxicity in 17 patients (35%). Median follow-up was 17 months. Sarcopenia and sarcopenic obesity were found at diagnosis in 23% and 10% of patients, respectively. We observed an association between termination of chemotherapy and both sarcopenia (P=0.069) and sarcopenic obesity (P=0.004). On multivariate analysis, the odds of treatment termination were higher in patients with sarcopenia (odds ratio=4.23; P=0.050). Patients with sarcopenic obesity showed lower overall survival (median survival of 6 months [95% confidence interval {CI}=3.9-8.5] vs. 25 months [95% CI=20.2-38.2]; log-rank test P=0.000). Conclusions: Sarcopenia and sarcopenic obesity were associated with early termination of neoadjuvant chemotherapy in patients with gastric cancer; additionally, sarcopenic obesity was associated with poor survival.
Kim, Youngjung;Lee, Siyoung;Kim, Jonggoo;Kang, Donghyeon;Choi, Honggi
Journal of Biosystems Engineering
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v.38
no.3
/
pp.208-214
/
2013
Purpose: Performances of a tractor diesel engine fueled by three different animal fats biodiesels were evaluated comparing with light oil tractor in terms of power, fuel consumption rate, exhaust gases, particulate matter amount and field work capacity. Methods: Animal fats based on pig biodiesel were manufactured manually and tested for its engine performance in the tractor diesel engine and fuel adoptability in the field works. Four different fuels, three different content of biodiesel (BD20, BD50, BD100) and light oil, were prepared and tested in the four strokes diesel engine. Power output, fuel consumption rate and exhaust gases of the four fuels in the diesel engine were compared and discussed. Results: Power output of light oil engine was the greatest showing 5.3% difference between light oil and BD100, but 0.37% better power than BD20 engine power. Less exhaust gases of $CO_2$, CO, $NO_X$ and THC were produced from animal fats biodiesel than light oil, which confirmed that biodiesel is environmental friendly fuel. For fuel adoptability in the tractor, biodiesel engine tractor showed its fuel competitiveness comparing with light oil for tractor works in the faddy field. Conclusions: With four different fuel types of animal-fats biodiesel, performances of a four cylinder diesel engine for tractor were evaluated in terms of power, exhaust gases, particulate matters (PM) and field work capacity. No significant differences observed in the engine performances including power output and exhaust gases emission rate. No significant power difference observed between the various fuels including light oil on the engine running, however, amounts of noxious exhaust gases including $CO_2$ and $NO_X$ decreased as biodiesel content increased in the fuels. Field performances of animal-fats biodiesel tractor were investigated by conducting plowing and rotary operation in the field. Tilling and rotary performance of light oil tractor and BD20 tractor in the field were compared, in which about 10% travelling speed difference on both operations were monitored that showed light oil tractor was superior to BD20 tractor by 10%. Animal-fats can be an alternative fuel source replacing light oil for agricultural machinery and an environmental friendly fuel to nature.
Piao, X.S.;Chae, B.J.;Kim, J.H.;Jin, J.;Cho, W.T.;Han, In K.
Asian-Australasian Journal of Animal Sciences
/
v.12
no.5
/
pp.783-787
/
1999
To study the effects of different extrusion conditions of barley on growth performance, nutrient digestibility and nutrient excretion in feces, a total of 150 growing pigs ($Landrace{\times}Duroc{\times}Large$ White; average 24.4 kg body weight) were allotted to five treatments, in a completely randomized block design. The experimental diets were based on corn-soybean and 30% of barley was included in each diet; barley was the only extruded ingredient. The treatments were 1) no extrusion (Control); 2) extrusion at $100^{\circ}C$ without preconditioning (ENLT); 3) extrusion at $150^{\circ}C$ without preconditioning (ENHT); 4) extrusion at $100^{\circ}C$ with preconditioning (ECLT); 5) extrusion at $150^{\circ}C$ with preconditioning (ECHT). Temperature in the barrel was controlled within ${\pm}5^{\circ}C$ by feed rate with the addition of water at the rate of $3{\ell}\;per\;min$. in the extruder for each treatment. For the 6 week experimental period, extrusion of barley improved the average daily gain (ADG) and digestibilities of dry matter, crude protein and gross energy in growing pigs. As compared to control, significant improvements in ADG (p<0.05) were shown in the groups of feeding extruded barley at high temperature (ENHT and ECHT). There were also significant differences in the digestibilities of DM, CP and P between extrusion temperatures. Barley extruded at high temperature gave better digestibilities of DM, CP and GE than barley extruded at low temperature. Extruded barley diet groups showed significantly (p<0.05) lower excretions of DM, nitrogen (N) and P per kg gain as compared to the ground barley group. DM, N and P excretion per kg gain were also significantly lower in pigs fed barley extruded at $150^{\circ}C$ than at $100^{\circ}C$. In conclusion, extrusion considerably improved the nutritive value of barley and it appeared that temperature is the most important variable.
A new commercial strain "Gumbit" of golden oyster mushroom was developed by hyphal anastomosis. It was improved with hybridization between monokaryotic strain derived from ASI 2295 and ASI 2703. The optimum temperature of mycelial growth and fruiting body development were $25{\sim}30^{\circ}C$ and $19{\sim}24^{\circ}C$, respectively. The pileus was golden to brilliant yellow color. Commercial strain "Gumbit" was not as prolific as the more commonly cultivated Pleurotus ostreatus in the conversion of substrate mass to mushrooms. However, cultivator can save money for mushroom growing on high-temperature season as like summer in Korea. Since picking individual mushrooms is tedious and often damages the fragile fruiting bodies compared with other species of oyster mushrooms.
In order to judge appropriately the suitability as the second intermediate host of Clonorchis sinensis, the present experiments were proposed to survey the metacercaria of C. sinensis in the fish host, Cuztriculus eigenmanni, in the 6eld, and to observe, by experimental infection of the fish with Clonorchis cercaria, the penetrating ability of the cercaria, maturity, the process of degeneration and extinction, and infectivity of the metacercaria. The following is a brie summary of the leading facts gained through the experiments. 1. All the ten fish (mean body weight $13.4{\pm}3.439$) which were caught in Ok-ku irrigation reservoir were in acted with the metacercariae and the average number of the metacercariae found in the fish body/gram was 4.55. 2. The Bish was easily subject to invasion of the cercaria, and the examination of the cercariae after having the fish infected disclosed that 5:l hours after the infection, all of the cercariae formed their cysts in muscle and the metacercariae kept growing, that 7 days later the metacercariae were found folding their bodies twice, and that in 15 days the characteristic structure of the metacercariae was complete and made a vigorous rotary movement intermittently. 3. In the case of control fish, Pseudorasbora parka, both penetrating ability of the cercariae and the infective degree of the metacercariae to control host were stronger as compared with the 5sh host because that the control fish had higher suceptibility to C. sinensis. 4. Afterwards, the metacercariae in the fish host came to a state of maturity and beyond this stage some metacercariae started the Process of degeneration and extinction in as early as 30 days, and as more days elapsed, mortality of the metacercariae was not uniformly increased but difference of mortality appeared to be according to the individual of Ssh host. That is, in 390, 540 and 586 days, all of the metacercariae in the fish hosts became dead, meanwhile almost all of those found in the fish host of 596 days after the infection survived (mortality; 8, 51%) , Percentage of orally administered metacercariae developing to maturity in rabbit is 10.465 in the last case. 5. As the days were progressed the shapes of the metacercariae in the fish host tended to change from ellipsoid to almost round shapes, the length became shorter while the width was wider. The results shown above revealed that C. eigenmanni was, though it could not be proper host than p. larva. suitable as the second intermediate host in addition to our previous observation results.
Park, Sohyun;Kwon, Kwang-il;Kweon, Soon Ju;Wang, Youfa;Gittelsohn, Joel
Nutrition Research and Practice
/
v.11
no.5
/
pp.402-411
/
2017
BACKGROUND/OBJECTIVES: The role of a school's nutrition environment in explaining students' eating behaviors and weight status has not been examined in an Asian setting. The purpose of this study was to create a school nutrition environment index and to pilot test the index in elementary and middle schools in urban South Korea. SUBJECTS/METHODS: This study used a mixed-methods approach. Environment assessment tools were developed based on formative research, which comprised literature reviews, in-depth interviews, and focus group discussions. Key elements from the formative research were included in the assessment tool, which consisted of a structured survey questionnaire for school dietitians. Fifteen school dietitians from 7 elementary and 8 middle schools in Seoul completed the questionnaire. RESULTS: The formative research revealed four main sections that guided a summary index to assess a school's nutrition environment: resource availability, education and programs, dietitians' perceptions and characteristics, and school lunch menu. Based on the literature reviews and interviews, an index scoring system was developed. The total possible score from the combined four index sections was 40 points. From the 15 schools participating in the pilot survey, the mean school nutrition-environment index was 22.5 (standard deviation ${\pm}3.2$; range 17-28). The majority of the schools did not offer classroom-based nutrition education or nutrition counseling for students and parents. The popular modes of nutrition education were school websites, posters, and newsletters. CONCLUSIONS: This paper illustrates the process used to develop an instrument to assess a school's nutrition environment. Moreover, it presents the steps used to develop a scoring system for creation of a school nutrition environment index. As pilot testing indicated the total index score has some variation across schools, we suggest applying this instrument in future studies involving a larger number of schools. Future studies with larger samples will allow investigation of the validity and reliability of this newly developed tool.
Piao, X.S.;Kim, J.H.;Jin, J.;Kim, J.D.;Cho, W.T.;Shin, I.S.;Han, In K.
Asian-Australasian Journal of Animal Sciences
/
v.13
no.5
/
pp.645-652
/
2000
A total of 80 piglets ($5.18{\pm}0.61kg$ of BW; 16 d of age) were fed experimental diets to evaluate the effect of extruded full-fat soybean (EFS) on the growth of eatly weaned pigs. Pigs were allotted into five treatments based on body weight, in a completely randomized block design. Each treatment has 4 replicates of 4 animals each. Treatments consisted of diets representing substitutional ratios of EFS for soybean meal. 1) 100:0 (SBM), 2) 75:25 (EFS 25), 3) 50:50 (EFS 50), 4) 25:75 (EFS 75) and 5) 0:100 (EFS 100). During phase I (d 0 to 7), piglets were fed diets containing 3,340 kcal ME, 26% crude protein, 1.85% lysine, 1.0% Ca and 0.9% P. For phase II (d 8 to 21), piglets were fed diets supplying 3,340 kcal ME, 23% crude protein, 1.65% lysine, 0.9% Ca and 0.8% P. Urease activity (pH rise) of EFS (0.18) was three times higher than that of SBM (0.06) indicating that processing conditions were not efficient enough to inactivate urease activity. During the first week postweaning, pigs fed SBM had significantly greater average daily gain (ADG), average daily feed intake (ADFI) and better feed conversion ratio (FCR) compared to pigs fed FFS diets. Linear negative effect on growth rate was found as the inclusion rate of FFS increased. During d 8 - 21 postweaning, piglets fed EFS 50 diet showed the best ADG and FCR despite no significant difference between treatment SBM and EFS 25 have been observed. Overall, piglets fed diets up to 50% FFS inclusion rate exhibited similar weight gain. Only piglets fed EFS 100 diet showed a significantly decreased growth rate. No other significant effect was found in feed intake and feed conversion ratio. At d 7, dry matter digestibility was higher in pigs fed SBM diet than piglets fed EFS 75 diet (p<0.05) and crude protein digestibility was higher in piglets fed SBM diet than piglets fed EFS 50, EFS 75 and EFS 100 (p<0.05). At d 21, no difference other than in phosphorus digestibility was detected. This indicates that piglets at 21 d postweaning are capable of utilizing nutrients from FFS. No treatment effects were detected in blood metabolites. The data suggests that piglets at 16 d of age are not sufficiently mature to use extruded FFS in their diets. Nevertheless, FFS seemed to be able to replace upto 50% of SBM in weaned piglet diet.
Piao, X.S.;Jin, J.;Kim, J.H.;Kim, J.D.;Shin, I.S.;Han, In K.
Asian-Australasian Journal of Animal Sciences
/
v.13
no.9
/
pp.1255-1262
/
2000
A total of 80 pigs ($5.68{\pm}0.61kg$ BW; 21 d of age) were used to evaluate the effect of fat sources in weaned pigs. Pigs were allotted into five treatments based on body weight, in a completely randomized block design. Treatments consisted of diets representing different ratio between soy oil or corn oil and tallow; 1) S100 (soy oil 100%), 2) S75 (soy oil:tallow=75:25), 3) S50 (soy oil:tallow=50:50), 4) C75 (corn oil:tallow=75:25), 5) C50 (corn oil:tallow=50:50). During d 0 to 14, pigs were fed diets containing 3,400 kcal ME, 23% crude protein, 1.65 % lysine and for the period of d 15 to 28, pigs were fed diets supplying 3,400 kcal ME, 20.5% crude protein, 1.355% lysine. For d 0 to 14, a significant differences in ADG and ADFI were observed among treatments, pigs fed animal-vegetable fat blends gained more than pigs fed the S100. As tallow addition was increased from 25% to 50% replacing soy or corn oil, ADG was improved from 6.32% to 28.38%. In phase II (d 15 to 28) period, ADG, ADFI and FCR were not significantly different among treatments. For overall period (d 0 to 28), pigs fed 50% animal:50% vegetable fat blends diets consumed more feed and grew faster than pigs fed control diet and 75% vegetable oil:25% tallow groups, but the differences was not significant among treatments. Apparent DM, CP and fat digestibility were increased with time postweaning for each treatment. There were no differences in digestibilities of total amino acid during overall period. The combination of soy oil or corn oil with tallow produced slightly higher serum triglycerides (TG) and total cholesterol (TC) combination compared with the soy oil alone. In conclusion, tallow:soy (or corn) oil blends diets improved growth rate and the ratio of 50% tallow plus 50% soy (or corn) oil blends diets were favorable for growth and nutrient digestibilities of weaned pigs.
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