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Study of Pemetrexed-based Chemotherapy for Patients with Locally Advanced or Metastatic Cancers

  • Qian, Ting;Huang, Xin-En
    • Asian Pacific Journal of Cancer Prevention
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    • v.16 no.11
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    • pp.4791-4795
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    • 2015
  • Purpose: This study was conducted to observe the efficacy and safety of pemetrexed based chemotherapy in treating patients with locally advanced or metastatic cancers as first-line, second-line or third-line therapy. Materials and Methods: From May 2011 to January 2015, we recruited 29 patients with advanced breast cancer, 19 patients with advanced ovary cancer, 17 patients with advanced esophageal cancer,5 patients with advanced gallbladder cancer,5 patients with advanced cervical cancer and 1 patient with advanced tongue cancer in Jiangsu Cancer Hospital and Research Institute.All of them were pathologically confirmed and treated with pemetrexed based chemotherapy. After two cycles of treatment,efficacy and safety can be evaluated. Results: For pemetrexed based regimens,including 76 patients with 6 kinds of advanced cancer were considered eligible for inclusion. Complete remission represents CR, partial remission represents PR, stable disease represents SD, progressive disease represents PD. Among 29 patients with advanced breast cancer, 4 patients chose pemetrexed based regimens as second-line treatment,1 of them was PR,the other 3 got SD. The last 25 patients made use of this chemotherapy as third-line treatment, except one patient could not be assessed, 2 of them got PR,6 of them got SD,the remaining 16 of them finally were PD.19 patients with advanced ovary cancer,5 patients used this regimens as second-line treatment, 3 of them got PD,the remaining patients got SD, respectively. The last 14 patients made use of pemetrexed based regimens as third-line treatment,. RR (CR+PR) was 28.5%. Among 17 patients with advanced esophageal cancer, 2 patients made use of pemetrexed based regimens as first-line treatment,both of them got PR.4 of them used this chemotherapy as second-line regimen, except 2 patients could not be assessed,the remaining 2 was PD at last. The last 11 patients was third-line users, RR (CR+PR) was 18.2%. Among 5 patients with advanced gallbladder cancer, pemetrexed based regimens was used in 1 patient as first-line treatment and 1 patient as second-line treatment. The curative effect was SD and PD, respectively. 3 patients accepted pemetrexed based regimens as third-line treatment, 2 of them got PD as results and another was SD. Among 5 patients with advanced cervical cancer, just 1 patient adopted pemetrexed based regimens as first-line treatment, whose curative effect was PR.2 patients chose this chemotherapy regimens as second-line treatment. Both of them got PD as their consequence. The last 2 patients made use of the regimens as third-line treatment, the effect of them was PD and SD, respectively. The one who with advanced tongue cancer, pemetrexed based regimens was used as second-line treatment, and the consequence was PD. About 71.1% patients experienced bone marrow suppression. Among them, 5 patients reached 4 grade. Other toxicity of pemetrexed were neurotoxicity, fatigue, diarrhea, dysphagia and vomiting. No treatment related death occurred with pemetrexed-based treatment. Conclusions: Pemetrexed based chemotherapy has considerable effect in patients with advanced cancers such as breast cancer,esophageal cancer and ovary cancer. More randomly clinical trials are needed to verify the results.

The Acupuncture Effect on Juvenile Smoking (청소년에 대한 금연침 효과)

  • Lim, Ho-Jea;Son, Chi-Hyoung;Lee, Won-Hui;Jang, Ha-Jeong;Seo, Joo-Hee;Jung, Kyung-Suk;Moon, Sung-Il
    • Journal of Acupuncture Research
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    • v.23 no.1
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    • pp.53-62
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    • 2006
  • Objectives : Because of the recent well-being syndrome, concerns about smoking cessation, as well as dietary improvement and exercise, are being increased. There are various methods for smoking cessation. Among them, recently acupuncture treatment is verified through diverse attempts. This research was conducted to examine the effects of acupuncture treatment especially on juvenile smoking cessation. Methods : From April 04 to Oct 04, this study had investigated 93 middle and high school students. 5 times of acupuncture treatment were given to each participant, and the survey was executed before and after each treatment. The acupuncture was treated to the ear alternately twice a week. The evaluation was taken before the treatment after the 1st treatment, and the 5th treatment with 6 questions of amount of daily smoking, desire to smoke, taste of smoking, subjective symptoms, smoking cessation proportion, Fagerstorm Tolerance Questionaire point. Results : Regarding amount of daily smoking, the significant tendency between before and after the treatment varied, but between the 1st and the 5th treatment, there was no difference. The 1st treatment had caused desire to smoke reduction in 46 students(49.5%), but the 5th treatment didn't have much effects on desire to smoke(43 persons; 46.2%). After treatment, 37.6% had no effect in taste of smoking, while the rest of them showed various reactions. Also, there were no difference of significant tendency between the 1st and 5th treatments. In respect to the amount of smoking, 70% of them achieved smoking cessation, or reduction in smoking, but about 25% of them showed no changes. Various subjective symptoms such as lethargy, decrease of appetite, headache were shown, and especially desire to smoke was shown pervasively. Regarding Fagerstorm Tolerance Questionaire point, the average of significant tendency in point after the treatment had decreased(3.1+-2.4 to 2.1+-2.1, p<0.0001). but for those students who had tried smoking cessation less than 5 times, Fagerstorm Tolerance Questionaire point had decreased significantly, but for the others who had tried smoking cessation more than 5times, there were no difference. Conclusion : In regard to 6 questions of amount of daily smoking, desire to smoke, taste of smoking, subjective symptoms, smoking cessation proportion, Fagerstorm Tolerance Questionaire point, various conclusion is drawn. These results suggest that acupuncture treatment on juvenile may have the tendency of smoking cessation.

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The Study on the Effect of Acupuncture Treatment in Patients with Idiopathic Parkinson's Disease (특발성 파킨슨 환자에서 경혈(經穴)에 따른 침(鍼) 치료 효과의 비교 연구)

  • Park, Yeon-Cheol;Chang, Dae-Il;Lee, Yun-Ho;Park, Dong-Suk
    • Journal of Acupuncture Research
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    • v.24 no.4
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    • pp.43-54
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    • 2007
  • Objectives : This study was designed to evaluate the effect of acupuncture with various scales on symptoms of Idiopathic Parkinson's disease. Methods: Subjects were voluntarily recruited through newspapers and internet advertisement. All the subjects were confirmed as idiopathic parkinson's disease by a neurologist. The acupuncture therapy was performed twice a week for 4 weeks by oriental medical doctor at Kyung-hee University hospital. Patients were randomly assigned to three groups : sham acupuncture group, acupuncture treatment group and Sasang-Constitution acupuncture treatment group. Acupun cture points used in acupuncture treatment group were $GB_{34}$, $LR_3$, and $ST_{36}$, which were proven to be effective in rat Parkinson's disease study. Acupuncture points used in sham treatment were non-acupoints near $GB_{34}$, $LR_3$, and $ST_{36}$. In Sasang-Constitution acupuncture treatment, we classfied Sasang constitution of patients by QSCCII. Acupuncture was applied based on theory of Korean medicine. The patient's symptoms were assessed at baseline and after 4 weeks of treatment by one evaluator with Unified Kingdom Parkinson's Disease Rating Scale (UPDRS), modified Hoehn-Yahr(H-Y) stage, and Schwab & England activ ity of daily living and freezing of gait questionnaire (FOGQ). Results : The results were as follows ; 1. UPDRS IV score differences between sham group and Sasang-Constitution acupuncture treatment were statistically significant(p=0.001). 2. UPDRS total score differences between Sasang-Constitution acupuncture treatment and acupuncture treatment group, Sasang-Constitution acupuncture treatment and sham group were statistically significant(p=0.041, p=0.014). 5. FOGQ score differences between Sasang-Constitution acupuncture treatment and acupuncture treatment group, Sasang-Constitution acupuncture treatment and sham group were statistically significant(p=0.001, p=0.001). Conclusion : The results suggest Sasang-Constitution acupuncture treatment can be applicable to improve symptoms in patients with idiopathic Parkinson's disease.

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Influence of Supplementing Dairy Cows Grazing on Pasture with Feeds Rich in Linoleic Acid on Milk Fat Conjugated Linoleic Acid (CLA) Content

  • Khanal, R.C.;Dhiman, T.R.;Boman, R.L.;McMahon, D.J.
    • Asian-Australasian Journal of Animal Sciences
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    • v.20 no.9
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    • pp.1374-1388
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    • 2007
  • Three experiments were conducted to investigate the hypothesis that cows grazing on pasture produce the highest proportion of c-9 t-11 CLA in milk fat and no further increase can be achieved through supplementation of diets rich in linoleic acid, such as full-fat extruded soybeans or soybean oil. In experiment 1, 18 lactating Holstein cows were used in a randomized complete block design with measurements made from wk 4 to 6 of the experiment. In experiment 2, three cannulated lactating Holstein cows were used in a $3{\times}3$ Latin square design. Each period was 4 wk with measurements made in the final wk of each period. Cows in both experiments were assigned at random to treatments: a, conventional total mixed ration (TMR); b, pasture (PS); or c, PS supplemented with 2.5 kg/cow per day of full-fat extruded soybeans (PES). In both experiments, feed intake, milk yield, milk composition, and fatty acid profile of milk and blood serum were measured, along with fatty acid composition of bacteria harvested from rumen digesta in experiment 2. In experiment 3, 10 cows which had continuously grazed a pasture for six weeks were assigned to two groups, with one group (n = 5) on pasture diet alone (PS) and the other group (n = 5) supplemented with 452 g of soy oil/cow per day for 7 d (OIL). In experiment 1, cows in PS treatment produced 350% more c-9, t-11 CLA compared with cows in TMR treatment (1.70 vs. 0.5% of fat), with no further increase for cows in PES treatment (1.50% of fat). Serum c-9, t-11 CLA increased by 233% in PS treatment compared with TMR treatment (0.21 vs. 0.09% of fat) with no further increase for cows in PES treatment (0.18% of fat). In experiment 2, cows in PS treatment produced 300% more c-9 t-11 CLA in their milk fat compared with cows in TMR treatment (1.77 vs. 0.59% of fat), but no further increase for cows in PES treatment (1.84% of fat) was observed. Serum c-9, t-11 CLA increased by 250% for cows in PS treatment compared with cows in TMR treatment (0.27 vs. 0.11% of fat), with no further increase for cows in PES treatment (0.31% of fat). The c-9, t-11 CLA content of ruminal bacteria for cows in PS treatment was 200% or more of TMR treatment, but no further increase in bacterial c-9, t-11 CLA for cows in PES treatment was observed. Supplementation of soy oil in experiment 3 also did not increase the c-9 t-11 CLA content of milk fat compared with cows fed a full pasture diet (1.60 vs. 1.54% of fat). Based on these findings, it was concluded that supplementing with feeds rich in linoleic acid, such as full-fat extruded soybeans or an equivalent amount of soy oil, to cows grazing perennial ryegrass pasture may not increase milk fat c-9 t-11 CLA contents.

Effect of ultrasonication, salt solution and liquid smoke treatment on germination of Setaria italica seeds

  • Kim, Young Ae;Kim, Min Geun;Oh, Ju-Sung;Kim, Du Hyun
    • Proceedings of the Korean Society of Crop Science Conference
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    • 2017.06a
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    • pp.215-215
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    • 2017
  • The preference for domestic cereal crop of Setaria Italica has been increased with the recent interest in healthy foods. However, the productivity of Korean domestic produce, which has been decreasing due to the lack of cultivation technology and the low rate of mechanization during cultivation. Increase of germination ability will have a positive effect on the cultivation by reducing the labor of the manpower consuming and weeding work. Therefore, red light, ultrasonication, liquid priming and liquid smoke treatment that are effective for the germination of the seeds evaluated. The seeds of 1.4mm or more were used for the experiment. The priming solution used in the experiment was 1% $KH_2PO_4$ (74mM). During the priming, the light treated seeds at 2000 lux for 15, 30, 60 and 120 minutes. Ultrasonicationd treatment was performed for 5, 10, and 20 minutes at exposures of 60%, 80%, and 100% of ultrasound up to 21.6 kHz during priming. Light or ultrasound treated seeds transferred to priming treatment at $15^{\circ}C$ for 24 hours. The treatment of the liquid smoke was divided into the treatment of the liquid smoke alone and the treatment of the liquid smoke with the priming. The liquid smoke alone was diluted with distilled water without priming solution and the treatment of the liquid smoke was diluted with the salt priming solution. Both treatments were performed at 0.0%, 0.5%, 1.0%, 5.0%, and 10.0% of the liquid smoke (pH7) concentration at $15^{\circ}C$ for 6 hours. After each treatment, the seeds were dried to moisture content ranged 5-8% at $25^{\circ}C$ for 24 hours. All treatments showed better results than the non-treated control. Light treatment for 120 minutes improved for germination percentage (GP), Germination uniformity (GU) and heath seed percentage (HS). Ultrasonication treatment was most effective when treated with ultrasound at 21.6 kHz for 5 minutes in all germination characteristics. Ten % of the liquid smoke increase in 92% GP, 1.8 days MGT, $54%{\cdot}day^{-1}GR$, 0.76 GU and 88% HS comparing to non-treated control (72% GP, 2.3 days MGT, $45%{\cdot}day^{-1}GR$, 1.48 GU, and 63 % HS). This study showed that it is possible to obtain high germination by adding liquid smoke treatment to the seeds supplied to the farmers. The efficacy of light, ultrasonication, inorganic salt priming, and liquid smoke treatment on the seeds found in the experiment will be a positive alternative to labor force problems in the cultivation by improving germination.

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Effects of Selenium and Zinc on the Toxicity of Cadmium in Rat (백서에서 셀레늄 및 아연이 카드뮴 독성에 미치는 영향)

  • 강영미;이용욱
    • Journal of Environmental Health Sciences
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    • v.16 no.1
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    • pp.29-43
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    • 1990
  • The purpose of this study is to investigate the vairous change in the toxicity of cadmium by the simultaneous administration of selenium and zinc, which have been reported to change -the toxicity of cadmium through the interaction with cadmium, to rat. For the experiment, 42 rats of Sprague-Dawley strain were used. The experimental groups were divided into 6 groups: a control group, a cadmium (100ppm) alone treatment group, a cadmium (100ppm) and zinc (100ppm) combined treatment group, and three cadmium (100ppm), zinc (100ppm) and selenium (1, 4, and 8ppm) combined treatment groups. The rats were allocated seven to each group and observed for seven weeks. The results of experiment are as follows: 1. The food consumptions of each group were reduced, compared with a control group, especially, in a cadmium and zinc combined treatment group and a cadmium $\cdot$ zinc and selenium(1ppm) combined treatment group to the significant level compared with a control group (p < 0.05). The water consumptions of each group were reduced to the very significant level compared with a control group (p < 0.01). The feed efficiencies of each group were lower than a control group, and among them the highest group was cadmium $\cdot$ zinc and selenium (8ppm) combined treatment group as 90% of a control group. 2. In all groups, the weight gains were highest in the second week and the total weight gains were reduced to the very significant level compared with a control group (p < 0.01). 3. In all groups, the relative weights of liver were reduced, compared with a control group, especially, a cadmium alone treatment group was reduced to the significant level (p < 0.05). The relative weight of kidney was high to the significant level in a cadmium alone treatment group (p < 0.05) compared with a control group. In all groups, the relative weights of testis were reduced, compared with a control group, but the levels were not significant. 4. The accumulation of cadmium was highest in the kidney and the order of height was in liver, testis and blood, respectively. In all groups, the amount of cadmium accumulation was high to the very significant level compared with a control group (p < 0.01). In liver, the amount of acdmium accumulation in. a cadmium alone treatment group was high to the significant level compared with a cadmium $\cdot$ zinc and selenium (8ppm) combined treatment group (p < 0.05), and in kidney, the amount of cadmium accumulation in a cadmium alone tretment group was high to the very significant level compared with the cadmium $\cdot$ zinc and selenium (4, 8ppm) combined treatment groups (p < 0.01). However, in testis, among the treatment groups the level was not significant and in blood, a cadmium alone treatment group was low to the significant level compared with the cadmium $\cdot$ zinc and selenium (4, 8ppm) combined treatment groups (p < 0.05). 5. According to the histopathological finding on the testis, some of the seminiferous tubules of a group treated with cadmium alone showed severe necrosis and atrophy. But the testis of cadmium $\cdot$ zinc and selenium (8ppm) combined treatment group was similar to that of a control group. From the results of this study, it can be concluded that the repeated simultaneous oral administration of large doses of selenium with the cadmium produces the partial amelioration of cadmium toxicity, whereas zinc does not.

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Effects of Castration and Administration of Testosterone Propionate on the Thyroid Gland, Adrenal Gland and Testis in Immature Male Rats (미성숙 수흰쥐에 있어서 생식선척출 및 propionate testosterone 투여가 갑상선, 부신 및 정소조직에 미치는 영향)

  • 김종호;정영채;김창근
    • Korean Journal of Animal Reproduction
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    • v.4 no.1
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    • pp.35-45
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    • 1980
  • The purpose of this experiment was to investigate the effects of castration and administration of testosterone propionate(TP) on the development of the thyroid, adrenal glands and the testis in immature male rats, 25 days immatured, weighing 64.1${\pm}$2g, were divided into two groups of control and castrated, each sub-divided into 30 rats again, treated and untreated with TP respectivity. Each rat was given 20$m\ell$ of TP subcutaneously at two weeks interval. Six rats among each group were randomly sacrificed at 7, 21, 35, 49, and 63 days after treatment, of which their thyroid, adrenal glands and testis were collected for cytometric observation. The results obtained were as follows. 1. The size of the follicle of thyroid glands had a tendency to increase proportionally to the treatment period in every group. However, in castration group, the follicular size of the untreated with TP were significantly increased from 49 days (p<0.05) after treatment than that of the treated with TP, while in control group, the treated with TP were not increased during the treatment period. Regarding the height of the follicular epithelial cell in thyroid gland, the treated with TP had a tendency to increase than the untreated with TP in both castration and control group. 2. Regarding the size of the follicle of thyroid gland in relation with the increment period, the untreated with TP in control group were slightly increased from 49 days after treatment, but the treated with TP were not changed significantly. Castration group had a tendency to increase significantly than the control group, especially the untreated with TP in castration group were significantly increased. 3. As for the change of the relative height of thyroidal follicular epithelial cell in relation with the increment of treatment period, the untreated, A and C group, in both castration and control group were increased at 35 days 63 days after treatment while the treated, B and D group had tendency to increase from 21 days after treatment. 4. Regarding the thickness fo adrenal cortex, the castration group had a tendency to increase than the control group until 21 days after treatment. But, at 35 days, the change of the thickness was reversed; Mean while at 49 days and 63 days, especially C group in castration were significantly increased than any other groups although there were no significant differences among the every group during the whole treatment period. Regarding the thickness of adrenal cortex in relation with the increment of treatment period, A, B and C group had a tendency to increase until 21 days after treatment. After that period, there was no significant increment in all groups. Especially, in D group, there were no significant changes from 7 days to 63 days after treatment. 5. As for the tickness of adrenal medulla, there were no significant changes in every group of castration and TP treatment, except that the castration group had a tendency to increase continually than the control throughout the whole treament period. 6. In terms of the number, diameter and thickness of seminiferous tubule in testis of control group, the treated group with TP were distinctly reduced than those of the untreated group from 49 days after treatment respectively.

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Effects of Vincristine on the Epiphyseal Plate of the Rat Tibia (Vincristine이 흰쥐 경골의 골단연골판에 미치는 영향)

  • Chung, Woo-Min;Kim, Jong-Kwan;Kim, Won-Kyu;Chung, Ho-Sam
    • Applied Microscopy
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    • v.27 no.3
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    • pp.225-234
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    • 1997
  • Vincristine, a kind of anticancerous drugs, interferes with development of microtubles and synthesis of nucleic acid and proteins in cells, and destructs cytoplasmic membrane so that mitosis of cancer cells is inhibited. Unfortunately these anticancerous effects by vioneristime are not limited to specific cancer cells, so several side effects are produced. This study was performed to explore the effects of vincristine on the fine structure of cytoplasmic organelles and cartilagenous matrix in proximal epiphyseal plate of the tibia in rat. The results were as follows: 1. Cisternae of rough endoplasmic reticulum (RER) were fragmented and sacculated, and membrane-bound ribocomes of RER were detached at 3 and 6 hours after vincristine treatment. Severely dilated, fagmented and sacculated cisternae of RER were found at 12 hours after vincristine treatment, and at 24 hours after vincristine treatment a few cisternae were framented and sacculated. At 72 hours after vincristine treatment cisternae of RER were parallely well arraged. 2. Golgi complex was atrophied at 3, 6, and 12 hours after vincristine treatment, while at 72 hours after vincristine treatment the cisternae of Golgi complex were made of 5-6 layers. 3. Mitochondria with disorganized mitochondrial cristae and outer membrane-losed mitochondria were found at 3 hours after vincristine treatment. At 6 and 12 hours after vincristine treatment mitochondria had possessed disorganized cristae, and a few mitochondria with disorganized cristae were. observed at 24 hours after vincristine treatment. While at 72 hours after vincristine treatment mitochondria were shown distinct cristae and double membranes. 4. Phagosome were begun to observe at 3 hourse after vincristine treatment, and at 24 hourse after vincristine treatment many phagosomes were found, while at 72 hours after vincristine treatment a few phagosomes were observed. 5. In the cartilagenous matrix large-sized matrix granules were decreased and collagen fibrils were dispersed at 3, 6, and 12 hours after vincristine treatment, while at 72 hours after vincristine treatment many large-sized matrix granules and numerous matrix it is suggested that although vincristine may induce the degenerative changes of the chondrocyte, resulting in changes of components of the cartilagenous matirx, these toxic effects may be regressed with time.

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The Comparative Study on the Effect of Motion Style Acupuncture Treatment Using Sandbag in Lumbar Disc Herniation with Low Back Pain: A Randomized Controlled Trial (요통을 동반한 요추 추간판 탈출증 환자에 대한 Sandbag Motion Style Acupuncture Treatment 호전도 비교 연구: 무작위배정 대조군연구)

  • Huh, Suk-won;Yun, Yong-il;Lee, Dong-hyun;Yoo, Hyung-jin;Jeong, Seong-hyun;Park, Joon;Lee, Hyun-ho;Lee, Seung-hee;Jung, Bum-hwan
    • Journal of Korean Medicine Rehabilitation
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    • v.26 no.1
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    • pp.79-86
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    • 2016
  • Objectives The purpose of this study was to compare the effects of MSAT (Motion style acupuncture treatment) using Sandbag regarding low back pain with HIVD of L-SPINE. Methods Forty patients received inpatient treatment from March 16 to May 16, 2015 in the Daejon-Jaseng oriental medicine hospital were divided into 2 groups by blocked randomization: Group A (n=20) is routine treatment on HIVD of L-SPINE with MSAT using Sandbag and Group B (n=20) is routine treatment on HIVD of L-SPINE (acupuncture, Shinbaro pharmacopuncture, herb medication, chuna treatment and physiotherapy). The MSAT (Motion style acupuncture treatment) using Sandbag was administered each day and both groups were received routine treatment each day. Evaluations were made before treatment, after 3 days and 7 days, and before discharge using the NRS (numeric rating scale) and ODI (oswestry disability index). The statistically significance was evaluated by SPSS 22.0 for windows. Results The NRS (numeric rating scale) and ODI (oswestry disability index) of both A and B groups after 3, 7 days and before discharge of treatment significantly decreased (p<0.05). Regarding group comparison, the NRS (numeric rating scale) and ODI (oswestry disability index) of A group was significantly lower than the B group at 3, 7 days, before discharge (p<0.05). Regarding improvement of the NRS (numeric rating scale) and ODI (oswestry disability index), A group was significantly lower than the B group at 3 day (NRS), 7 day (ODI) (p<0.05). There was significant difference between two groups at 7 days (NRS) and before discharge (p<0.05). Conclusions Compared to routine treatment, the MSAT (Mostion style acuputure treatment) using Sandbag significantly improved the NRS (numeric rating scale) and ODI (oswestry disability index) after 3, 7 days, and before discharge. Because early intervention determines the grade of Low back pain with HIVD of L-SPINE, the MSAT (Motion style acupuncture treatment) using Sandbag will be clinically helpful to patients at the early stage.

A Prediction on the Conservative Treatment Outcome of TMD Patients by Prognostic Factors (측두하악장애 환자의 보존적 치료결과의 예측에 관한 연구)

  • Lee, Hye-Jin;Park, June-Sang;Ko, Myung-Yun
    • Journal of Oral Medicine and Pain
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    • v.26 no.2
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    • pp.133-146
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    • 2001
  • This study was performed to predict the conservative treatment outcome of TMD patients by investigating the prognostic factors ; symptom duration, history of previous treatment, history of previous medication, history of trauma, disability of daily activity, severity of pain, noise, limitation of mouth opening(LOM) and maximum comfortable opening(MCO). Two hundreds and fifty-four subjects were selected for this study among the TMD patients who had visited the Dept. of Oral Medicine BNUH and been treated conservatively with medication, physical therapy, behavioral treatment, and splint therapy from 1991 to 2000. The subjects were divided into two groups improved or unimproved according to the treatment response following six months of conservative treatment. Those who showed less than 1 on NAS for pain, TMJ noise, and opening limitation belonged to the improved group and those who showed more than 2 on NAS belonged to the unimproved group. The two groups were compared with respect to symptom severity, number of diagnosis, history of trauma, previous treatment, previous medication, and disability of daily activity. A prognostic equation with the factors revealed to be significantly related to the prognosis of conservative treatment was obtained. The obtained results were as follows ; 1. In improved group, mean duration of history was 12 months, mean treatment duration of a patient was 4 months an mean number of treatment was about 10 times. In other words, in unimproved group, mean duration of history was 27.4 months, mean treatment duration of patient was 10.5 months and mean number of treatment was 19 times. 2. In unimproved group, multiple diagnosis, chronicity, disability of daily activity were significantly greater than that of the improved group. 3. Patients in unimproved group revealed severe noise at first visit and smaller maximum comfortable opening comparatively. 4. Prognostic factors such as duration of treatment, number of treatment, multiplicity, and chronicity and disability of daily activity showed a significant relation in prediction of improvement. 5. Prognostic equation with significant variables is as follows ; Y = 1.984 - 0.251Noise + 0.068MCO - 0.673Multiplicity. - 0.958Chronicity - 0.065Disability. Classification accuracy of 70.3 %, sensitivity of 71.4% and specificity of 66.7% were shown. 6. Prognostic equation with all factors is as follows : Y = 1.599 - 0.038Pain - 0.256Noise - 0.006Limitation + 0.068MCO - 0.580Multiplicity - 1.025Chronicity - 0.720Disability - 0.329Medication - 0.087Treatment + 0.740Trauma. Classification accuracy of 70.3 %, sensitivity of 73% and specificity of 64.3% were shown. 7. Prognostic value of the improved group with significant factors was $1.0446{\pm}1.0726$ and prognostic value of the unimproved group with significant factors was $-0.013{\pm}1.0146$. Prognostic value of the improved group with all factors was $1.0465{\pm}1.0849$ and prognostic value of the unimproved group with all factors was $-0.057{\pm}1.0611$.

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