• 제목/요약/키워드: VATS

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배트염료에 의한 면, 나일론 및 폴리에스테르 섬유의 염색성과 견뢰도 (Dyeing Properties and Color Fastness of Cotton, Nylon and Polyester Dyed with Vat Dyes)

  • 정동석;최미남;정대호;권오철;이문철
    • 한국염색가공학회지
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    • 제17권6호
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    • pp.11-19
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    • 2005
  • Textile dyeing with vat dyes has the highest color fastness although one and the same dye of all vat dyes cannot always satisfy every color fastness requirement. So we examined cotton, nylon 6, and polyester fabrics dyed with vat dyes. Cotton, nylon 6 and polyester fabrics were dyed with vat dyes such as C. I. Vat Blue 1, Blue 19, Black 9, Green 1, Orange 2, and Violet 1 containing sodium hydrosulfite and NaOH. Oxidation were carried out by a sodium peroxoborate after dyeing. The dyed materials were soaped at the boil after oxidation. Especially hydrolysis and overreduction for dyed polyester with vats dyes containing -NHCO- and -NH- groups such as C. I. Vat Blue 6, Black 25, Black 27, Red 10, and Green 3 occurred. It seems that these phenomena are due to a high dyeing temperature. Wash and rubbing fastness of nylon are higher than that of cotton and polyester. Light fastness of cotton is higher than that of polyester and nylon.

간장질환 치료용 의약조성물(DWP 305)의 일반약리작용 (General Pharmacology of DWP 305, a New Combined Drug for Hepatic Diseases)

  • 임승욱;염제호;김영만;심점순;박남준;장병수;연제덕;김병오;강진석
    • Biomolecules & Therapeutics
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    • 제2권2호
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    • pp.173-184
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    • 1994
  • The general and some pharmacological actions of DWP 305 were investigated in animals and the following results were obtained. In central nervous system, DWP 305 had no effects on the pentobarbital induced anaesthesia, locomotor activity, rotarod test, traction test, analgesic action in mice and body temperature in rat. DWP 305 showed no depressive action on convulsion induced by strychnine, electronic shock and pentylenetetrazole. From these results, DWP 305 was considered to have no pharmacological effect on the central nervous system. Furthermore, DWP 305 had no influences on the normal blood pressure and heart rate. In the isolated ileum of guinea pig, DWP 305 inhibited contractive effects against the acetylcholine (10$^{-6}$ g/mι), histamine (10$^{-6}$ g/mι), 5-hydroxytryptamine (10$^{-6}$ g/mι) and BaCl$_2$(10$^{-4}$ g/mι) at a concentration of 2.15$\times$10$^{-4}$ g/ml in bath. In the isolated trachea and vats deference, DWP 305 showed no effect on the contractions produced by histamine and norepinephrine, respectively. DWP 305 showed inhibitory effect on the contractions produced by acetylcholine and oxytocin at a concentration of 2.15$\times$10$^{-4}$ g/ml on the isolated nonpregnant rat uterus. DWP 305 had no effect on the isolated right atrium of guinea pig, bile excretion, urine volume, pH, gastrointestinal motility, gastric secretion and blood aggregation.

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식도의 양성 점막하 종양의 수술적 치료 (Surgical treatment of esophageal submucosal tumor)

  • 노동섭;박창권;금동윤;김재범
    • 대한기관식도과학회지
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    • 제15권1호
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    • pp.24-27
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    • 2009
  • Background: Benign tumors of the esophagus are rare. They include leiomyomas, gastrointestinal stromal tumors, neurofibromas and lipomas. In this study we present our experience with enucleation of these 13 tumors for 10 years. Material and Method: A retrospective review of patients who underwent enucleation of benign esophageal tumors between 1995 and 2005 was conducted. Symptom, tumor location and size, operative approach and outcomes after surgery were recorded. Result Thirteen patients were identified(leiomyoma: n=12; GIST n=l). Eight patients were men, five patients were women. Most of them were 4rd and 5th decade. The tumors arose in the lower(7 patients) and middle(6 patients) thirds of the esophagus. Eleven patients underwent a thoracotomy; the remainder were resected using VATS. All of patients underwent simple enucleation. There were no complications and recurrences after surgery. Conclusion: We present our experience with enucleation of these 12 leiomyomas and one GIST for 10 years.

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Primary Pulmonary Chordoid Meningioma

  • Bae, So Young;Kim, Hye-seon;Jang, Hyo-Jun;Chung, Won-Sang;Kim, Hyuck;Kim, Young Hak;Lee, Jun Ho;Bang, Seong Sik
    • Journal of Chest Surgery
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    • 제51권6호
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    • pp.410-414
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    • 2018
  • Primary pulmonary meningioma is a rare disease, and chordoid meningioma is an uncommon variant of meningioma in the central nervous system (CNS) with a high recurrence rate. We report a case of primary pulmonary chordoid meningioma that presented as a solitary pulmonary nodule (SPN). The SPN was resected by thoracoscopic wedge resection and was revealed to have characteristics of chordoid meningioma. After confirming the absence of a meningioma in the CNS by brain imaging, the nodule was diagnosed as a primary pulmonary chordoid meningioma. The patient remained disease-free after 26 months postoperatively. To our knowledge, this is the third case of primary pulmonary chordoid meningioma to be reported.

Growth-Promoting Effects of Vegetable Extracts on Selected Human Lactic Acid Bacteria

  • Kim, Moo-Key;Kim, Byung-Su;Baek, Bong-Rea;Shin, Dong-Hwa;Lee, Hoi-Seon
    • Preventive Nutrition and Food Science
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    • 제6권3호
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    • pp.192-196
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    • 2001
  • Ethanol extracts from 36 vegetable samples were assayed for their growth-promoting effects on Bifidobacterium bifidum, B. longum, and Lactobacillus casei The growth-promoting effects varied according to bacterial strain and vegetable species. In modified Gy rgy broth, extracts of Lactuca sativa, Lycopersicon esculentum and L escutentum var. cerasiforme exhibited strong growth-promoting responses toward B. longum, and significant and strong growth- promoting response toward B. bifidum was observed in extracts of Actinidia arguta, Allium cepa, A. sativum, Brassica campestris subsp. napus vats. pekinensis, Capsicum frutescens, Daucus carota var. sativa, L sativa, 1. esculentum and L. esculentum var. cerasforme, Nelumbo nucifera, Cucurbita moschata, Lackca sativa var. capitata, and Rubus coreanus. For L casei, extracts of A. fshlosum, A. hberosum, Cichorium intbus, Cucurbita moschat\ulcorner Ipomoea batatas, 1. sativa var. capitata, L. esculentum, P. brachycarpa, Raphanus sativus, R. coreanus, and S. melongena strongly enhanced the growth of this bacteria. In modified Gy rgy broth, the promoting effect was most pronounced with B. bifidum and L. casei among lactic acid bacteria used. In MRS broth, A. arguta, A. cepa, A. sativum, B. campestris subsp. napus var. pekinensis, C. frutescens, and D. carota var. sativa L. satiw var. capitata, and R. coreanus strongly enhanced the growth of B. bifidum, Growth of B. longum was strongly affected by the addition of extracts from L. sativa var. capitata. For L casei, moderate growth-promoting responses were observed in 9 vegetable extracts. The promoting effect in MRS broth was most pronounced with B. bifidum among lactic acid bacteria used.

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Is There a Role for a Needle Thoracoscopic Pleural Biopsy under Local Anesthesia for Pleural Effusions?

  • Son, Ho Sung;Lee, Sung Ho;Darlong, Laleng Mawia;Jung, Jae Seong;Sun, Kyung;Kim, Kwang Taik;Kim, Hee Jung;Lee, Kanghoon;Lee, Seung Hun;Lee, Jong Tae
    • Journal of Chest Surgery
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    • 제47권2호
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    • pp.124-128
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    • 2014
  • Background: A closed pleural biopsy is commonly performed for diagnosing patients exhibiting pleural effusion if prior thoracentesis is not diagnostic. However, the diagnostic yield of such biopsies is unsatisfactory. Instead, a thoracoscopic pleural biopsy is more useful and less painful. Methods: We compared the diagnostic yield of needle thoracoscopic pleural biopsy performed under local anesthesia with that of closed pleural biopsy. Sixty-seven patients with pleural effusion were randomized into groups A and B. Group A patients were subjected to closed pleural biopsies, and group B patients were subjected to pleural biopsies performed using needle thoracoscopy under local anesthesia. Results: The diagnostic yields and complication rates of the two groups were compared. The diagnostic yield was 55.6% in group A and 93.5% in group B (p<0.05). Procedure-related complications developed in seven group A patients but not in any group B patients. Of the seven complications, five were pneumothorax and two were vasovagal syncope. Conclusion: Needle thoracoscopic pleural biopsy under local anesthesia is a simple and safe procedure that has a high diagnostic yield. This procedure is recommended as a useful diagnostic modality if prior thoracentesis is non-diagnostic.

자연성 혈기흉의 임상적 경험 (Clinical Experience of Spontaneous Hemopneumothorax)

  • 문현종;황성욱
    • Journal of Chest Surgery
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    • 제43권6호
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    • pp.669-674
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    • 2010
  • 배경: 자연성 혈기흉은 외상이나 다른 뚜렷한 원인 없이 흉강 내 공기와 400 mL 이상의 혈액이 동시에 쌓이는 질환이다. 드문 질환이지만 생명을 위협할 수도 있는 질환이기도 하다. 이 질환의 적절한 치료를 알아보고자 두 병원에서 치료받은 환자들을 분석하였다. 대상 및 방법: 2003년 3월부터 2010년 8월까지 치료받은 18명의 자연성 혈기흉 환자들을 후향적으로 조사하였다. 결과: 18명의 환자들 중 남자 15명 여자 3명이었고 평균 나이는 24.6세이었다. 16명의 환자는 우선적으로 폐쇄식 흉관 삽입술을 시행하였으며 15명의 환자는 흉강경을 통한 수술적 치료를 하였다. 수술 후 흉관 제거는 평균 2.9일에 이루어졌으며, 수술 후 합병증으로 흉관 제거 후 기흉이 한 명 있었다. 퇴원 후 다른 합병증이나 재발은 추적기간 동안 없었다. 결론: 초기의 적절한 진단과 치료가 치명적인 쇼크 상태를 방지하며, 흉강경을 통한 조기 수술이 자연성 혈기흉의 치료가 될 것이다. 그러나 보전적 치료도 일부 환자에게는 효과적이다.

일차성 자연기흉의 수술 방법에 따른 비용효용 비교 (Cost-Effectiveness of VATS Versus Open Thoracotomy for Primary Spontaneous Pneumothorax)

  • 장운하;오태윤;김미혜;최주원
    • Journal of Chest Surgery
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    • 제33권11호
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    • pp.898-903
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    • 2000
  • 배경 및 목적: 최근 비디오 흉강경술은 최소 침습적인 수술 방법으로서 자연 기흉의 일반적 치료법으로 인정되고 있으나 비교적 높은 재발율과 비용-효용 관계에 대해서는 논란이 있다. 비디오 흉강경을 이용한 기포 절제술 후의 재발율은 평균 5-10%정도로 보고되고 있으며 이는 개흉술에 비해 상당히 높은 것이다. 또한 국내 의료 실정에서의 개흉술과 비디오 흉강경술의 비용효용에 대한 비교 통계는 없는 상황이다. 대상 및 방법: 1997년 1월부터 1999년 7월까지 일차성 자연기흉으로 성균관 의대 강북삼성병원 흉부외과에서 수술을 시행한 173예를 대상으로 후향적 조사하였다. 비디오 흉강경술로 시행한 104예와 개흉술로 시행한 69예를 양군으로 나누어 성별 및 연령, 발병부위, 수술의 적응증, 수술시간, 술 후 흉관 삽입기간 및 재원 일수, 술후 합병증, 재발율, 수술 경비 및 총치료경비 등을 비교하였다. 결과: 양군의 성별, 연령, 발병부위 등에는 차이가 없었다. 수술 시간은 흉강경군이 73.1$\pm$29.5분, 개흉군이 141$\pm$52분이었다.(p<0.05). 술 후 평균 흉관의 거치기간 및 재원일수는 흉강경군이 각각 3.93일 및 7.5일, 개흉군이 7.0일 및 13.4일이었다.(P<0.05, P<0.05). 술 후 재발한 경우가 비디오 흉강경군에서 6예(5.6%), 개흉군에서 1예(1.4%) 있었다(P<0.05). 본원에서 시행한 비디오 흉강경술과 개흉술의 비교에서 수술로 발생하는 비용은 비디오 흉강경군이 유의하게 높았으나 (1,202,192$\pm$178,992원, 1,005,669$\pm$311,531원; P<0.05) 총 치료비의 비교에서는 유의한 차이가 없었다.(1,946,110$\pm$487,440원, 1,793,912$\pm$308,079원; P=0.18). 결론: 비용 효용관계 및 재발율은 병원마다의 수술 수기 및 퇴원 정책등에 따라서 다소간의 차이가 있을 수 있으나 본원의 조사 결과에서는 비디오 흉강경술이 개흉술에 비해 비용-효과가 있다고 볼 수 없으며 재발율도 높았다.

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인삼의 항마약 효과 (Antinarcotic Effect of Panax ginseng)

  • Hack Seang Kim;Ki
    • Journal of Ginseng Research
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    • 제14권2호
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    • pp.178-186
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    • 1990
  • The analgesic effect of morphine was antagonized and the development of tolerance was suppressed by the modification of the neurologic function in the animals treated with ginseng saponins The activation of the spinal descending inhibitory systems as well as the supraspinal structures by the administration of morphine was inhibited in the animals treated with ginseng saponine intracerebrally or intrathecally. The development of morphine tolerance and dependence, and the abrupt expression of naloxone inducted abstinence syndrom were also inhibited by ginsenoside Rb1, Rb2, Rg1 and Re. These results suggest that ginsenoside Rbl, Hbs, Rgl and Re are the bioactive components of panax ginseng on the inhibition of the development of morphine tolerance and dependence, and the inhibition of abrupt abstinence sindrome. In addition, further research on the minor components of Pnnnxkinsenl should be investigated. A single or daily treatment with ginseng saponins did not induce any appreciable changes in the brain in level of monoamines at the variolls time intervals and at the various day intervals, respectively. The inhibitory or facilitated effects of ginseng saponins on electrically evoked contractions in guinea pig ileum ($\mu$-receptor) and mouse vats deferens ($\delta$-receptor) were not mediated through opioid receptors. The antagonism of a $\chi$ receptor agonist, U-50, 488H was also not mediated through opioid receptors in the animals treated with ginseng saponins, but mediated through serotonergic mechanisms. Ginseng saponins inhibited morphine 6-dehydrogenase which catalyzed the production of morphinone from morphine, and increased hepatic glutathione contents for the detoxication of morphinone. This result suggests that the dual action of the above plays an important role in the inhibition of the development of morphine tolerance and dependence.

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Surgical Outcomes of Pneumatic Compression Using Carbon Dioxide Gas in Thoracoscopic Diaphragmatic Plication

  • Ahn, Hyo Yeong;Kim, Yeong Dae;I, Hoseok;Cho, Jeong Su;Lee, Jonggeun;Son, Joohyung
    • Journal of Chest Surgery
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    • 제49권6호
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    • pp.456-460
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    • 2016
  • Background: Surgical correction needs to be considered when diaphragm eventration leads to impaired ventilation and respiratory muscle fatigue. Plication to sufficiently tense the diaphragm by VATS is not as easy to achieve as plication by open surgery. We used pneumatic compression with carbon dioxide ($CO_2$) gas in thoracoscopic diaphragmatic plication and evaluated feasibility and efficacy. Methods: Eleven patients underwent thoracoscopic diaphragmatic plication between January 2008 and December 2013 in Pusan National University Hospital. Medical records were retrospectively reviewed, and compared between the group using $CO_2$ gas and group without using $CO_2$ gas, for operative time, plication technique, duration of hospital stay, postoperative chest tube drainage, pulmonary spirometry, dyspnea score pre- and postoperation, and postoperative recurrence. Results: The improvement of forced expiratory volume at 1 second in the group using $CO_2$ gas and the group not using $CO_2$ gas was $22.46{\pm}11.27$ and $21.08{\pm}5.39$ (p=0.84). The improvement of forced vital capacity 3 months after surgery was $16.74{\pm}10.18$ (with $CO_2$) and $15.6{\pm}0.89$ (without $CO_2$) (p=0.03). During follow-up ($17{\pm}17$ months), there was no dehiscence in plication site and relapse. No complications or hospital mortalities occurred. Conclusion: Thoracoscopic plication under single lung ventilation using $CO_2$ insufflation could be an effective, safe option to flatten the diaphragm.