• Title/Summary/Keyword: Veins

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Studies on the Segmental Running of Splenic Tabecular Veins of Korean Cattle by the Vinylite Corrosion Technique (Vinyl 부식법(腐蝕法)에 의(依)한 한우비주정맥(韓牛脾柱靜脈)의 구역적(區域的) 주행(走行)에 관(關)한 연구(硏究))

  • Kim, Chong Sup
    • Korean Journal of Veterinary Research
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    • v.11 no.1
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    • pp.83-90
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    • 1971
  • The studies were conducted to ramify the splenic trabecular veins by injection of vinylite into the splenic veins in twenty five adult Korean cattle. The following results were obtained. 1. Splenic trabecular veins of bovine were collected from 3 chief Rami lienales: Rr. superior, inferior and V. polaris superior of the splenic veins, and the splenic parenchyma was ramified to 5-11 intralienal venous segments by the course of the trabecular veins. 2. Each one of the intralienal venous segments was dealt with 2-4 minute segments therefore, the splenic parenchyma was ramified from 13 minute segments in minimum to 35 minute segments in maximum. 3. The distribution of the veins in the spleen was divided into 7 types by the number of intralienal venous segment, and also was 15 kinds by collecting veins, Rr. superior et inferior and V. polaris superior. 4. The anastomosis was observed in the intralienal venous segments or minute segments. 5. Generally the splenic veins and arteries were like each other, but when observed minutely, they were unlike.

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Objective Evaluation of Sublingual Veins Using Color Differences (색차(色差)값을 활용(活用)한 설하락맥(舌下絡脈)의 정량적(定量的) 평가(評價))

  • Park, Young-Jae;Park, Young-Bae
    • The Journal of Korean Medicine
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    • v.27 no.3 s.67
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    • pp.201-211
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    • 2006
  • Background: Although several efforts have been made recently to grade the severity of sublingual veins, these methods still meet some problems: clinicians' subjectivity and diversity of lighting conditions. Objectives: The purpose of our study was to quantify the severity of sublingual veins using CDs (color differences), and to verify clinical validity of the parameters of sublingual veins using CDs. Methods: We photographed the inferior surface of subjects' tongue from 74 subjects. CDs were computed through two sets of mean $L^*a^*b^*$ values extracted from BRC (black reference color) and the inferior surface of the tongue. We assumed that SVI (sublingual veins index) normalized percentage of a reciprocal of CDs between BRC and the inferior surface of the tongue including sublingual veins and BISV (black index of sublingual veins) percentage of a reciprocal of CDs between BRC and the main trunk of sublingual veins could be applied as quantitative parameters of sublingual veins and examined whether there are meaningful correlations between CDs and subjective grading by the clinicians or not. Results: There were high positive correlations of SVI and BISV to clinician evaluation respectively (r=0.715, 0.634). We computed a multiple regression equation which includes SVI and BISV as independent factors $(r^2=0.60);\;Y=0.711+0.046X_1+0.205X_2$ (Y: the severity of sublingual veins, $X_1:\;SVI,\;X_2:\;BISV$). Conclusions: We conclude that the severity of sublingual veins can be quantified through SVI and BISV, minimizing the clinicians' subjectivity and the diversity of lighting conditions.

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Midterm Clinical Outcomes after Modified High Ligation and Segmental Stripping of Incompetent Small Saphenous Veins

  • Hong, Ki Pyo
    • Journal of Chest Surgery
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    • v.48 no.6
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    • pp.398-403
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    • 2015
  • Background: The aim of this study was to evaluate the midterm clinical outcomes after modified high ligation and segmental stripping of small saphenous vein (SSV) varicosities. Methods: Between January 2010 and March 2013, 62 patients (69 legs) with isolated primary small saphenous varicose veins were enrolled in this study. The outcomes measured were reflux in the remaining distal SSV, the recurrence of varicose veins, the improvement of preoperative symptoms, and the rate of postoperative complications. Results: No major complications occurred. No instances of the recurrence of varicose veins at previous stripping sites were noted. Three legs (4.3%) showed reflux in the remaining distal small saphenous veins. The preoperative symptoms were found to have improved in 96.4% of the cases. Conclusion: In the absence of flush ligation of the saphenopopliteal junction, modified high ligation and segmental stripping of small saphenous vein varicosities with preoperative duplex marking is an effective treatment method for reducing postoperative complications and the recurrence of SSV incompetence.

Gold and Silver Mineralization in the Dongweon Mine (동원광산의 금-은 광화작용)

  • Park, Hee-In;Park, Young-Rok
    • Economic and Environmental Geology
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    • v.23 no.2
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    • pp.183-199
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    • 1990
  • Ore deposits of Dongwon mine are composed of numerous gold and silver veins emplaced in sedimentary rocks of Cambrian Choseon Supergroup and granitoids of Cretaceous age. Ore veins of the mine can be divided into gold and silver veins on the base of vein structure, mineral assemblage and vein trends. Mutual relationships between gold and silver veins are uncertain. Gold veins are simple veins which are composed of base-metal sulfides, and electrum with quartz and ankerite. On the other hand, silver veins are complex veins which reveal three distinct stages of mineral deposition based on vein structure; stage I, deposition of small amounts of oxides and pyrite with quartz; stage II, deposition of base-metal sulfides, small amounts of Ag-bearing minerals, calcite and quartz; stage III, deposition of base metal sulfides, electrum, Ag-sulfosalts, native silver, carbonates and quartz. Homogenization temperature and salinity of fluid inclusion from quartz of gold vein are as follows; $229^{\circ}$ to $283^{\circ}C$, 4.7 to 6.4 wt.% equivalent NaCI. The ore mineralogy suggests that temperature(T) and sulfur fugacity($fs_2$) of the formation of the gold vein and stage III of silver vein are estimated as T ; $294^{\circ}$ to $318^{\circ}C$, $fs_2\;10^{-9.4}$ to $10^{-10.1}$ atm. and T; $240^{\circ}$ to $279^{\circ}C$, $fs_2;10^{-11.1}$ to $10^{-17.3}$ atm. respectively. Pressure condition during gold vein formation estimated from data of ore mineralogy and fluid inclusion range 500 to 750 bar.

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The Great Saphenous Vein-An Underrated Recipient Vein in Free Flap Plasty for Lower Extremity Reconstruction: A Retrospective Monocenter Study

  • Meiwandi, Abdulwares;Kamper, Lars;Kuenzlen, Lara;Rieger, Ulrich M.;Bozkurt, Ahmet
    • Archives of Plastic Surgery
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    • v.49 no.5
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    • pp.683-688
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    • 2022
  • Background Reconstruction of large soft tissue defects of the lower extremity often requires the use of free flaps. The main limiting factor and potential for complications lie in the selection of proper donor and recipient vessels for microvascular anastomosis. While the superficial veins of the lower leg are easier to dissect, they are thought to be more vulnerable to trauma and lead to a higher complication rate when using them instead of the deep accompanying veins as recipient vessels. No clear evidence exists that proves this concept. Methods We retrospectively studied the outcomes of 97 patients who underwent free flap plasty to reconstruct predominantly traumatic defects of the lower extremity at our institute. The most used flap was the gracilis muscle flap. We divided the population into three groups based on the recipient veins that were used for microvascular anastomosis and compared their outcomes. The primary outcome was the major complication rate. Results Overall flap survivability was 93.81%. The complication rates were not higher when using the great saphenous vein as a recipient vessel when comparing to utilizing the deep concomitant veins alone or the great saphenous vein in combination to the concomitant veins. Conclusions In free flap surgery of the lower extremity, the selection of the recipient veins should not be restricted to the deep accompanying veins of the main vessels. The superficial veins, especially the great saphenous vein, offer an underrated option when performing free flap reconstruction.

Varicose Veins and the Diagnosis of Chronic Venous Disease in the Lower Extremities

  • Jae Ho Chung;Seonyeong Heo
    • Journal of Chest Surgery
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    • v.57 no.2
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    • pp.109-119
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    • 2024
  • Varicose veins usually present in the superficial veins of the lower extremities and are one of the main clinical presentations of chronic venous disease (CVD). Patients' symptoms may vary according to the pathophysiology, location, and severity of CVD. The prevalence of CVD in Korea has been increasing gradually. However, due to its broad clinical spectrum and the subjective nature of its diagnosis using ultrasound, discrepancies in diagnostic and treatment quality may exist among treating physicians. There have been recent efforts to improve the quality of the diagnosis and treatment of varicose veins in Korea by standardizing the diagnostic criteria and the indications for treatment. This study is a comprehensive review of the clinical manifestations and diagnostic criteria of CVD based on the most recent international and domestic guidelines and reports.

Primary Dispersion Patterns and Widths of Elements in Altered Granitic Wallrock around the Gold-bearing Quartz Veins at the Mugeug Mine (무극 함금석영맥광상 화강암질모암에서의 원소들의 분산형태와 분산범위)

  • Hwang, In Ho;Chon, Hyo Taek
    • Economic and Environmental Geology
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    • v.27 no.5
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    • pp.451-458
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    • 1994
  • Geochemical studies on gold-bearing quartz veins and granitic wallrocks from the Mugeug mine were carried out in order to investigate primary dispersion patterns of elements and to quantify primary dispersion widths of elements with distance from the gold-bearing quartz veins. The best fitting model of dispersion pattern in altered wallrock around the gold-bearing quartz veins is an exponential function for Au, As, Sb, $Na_2O$ and Sr, and a quadratic function for CaO, $K_2O$, MnO, Ba, Rb and Cs. The primary dispersion widths are 15~343 cm in the hanging wall, and 33~173 cm in the footwall. The width of primary dispersion in the hanging wall is twice as thick as that in the footwall mainly due to the thermal effect and volatile components. The primary dispersion width is increased as the increase of gold-bearing quartz vein width and contents of As and Sb in gold-bearing quartz veins, but is not related to Au content in gold-bearing quartz veins.

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Primary Dispersion of Elements in Altered Wallrocks around the Gold-bearing Quartz Veins at the Okgye Mine (옥계 함금석영맥광상 주변모암에서의 원소들의 일차분산)

  • Hwang, In Ho;Chon, Hyo Taek
    • Economic and Environmental Geology
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    • v.27 no.6
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    • pp.549-556
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    • 1994
  • Geochemical studies on gold-bearing quartz veins and wallrocks from the Okgye mine were carried out in order to investigate the primary dispersion patterns of gold and associated elements and to quantify the dispersion width of elements with distance from the gold-bearing quartz veins. Gold-bearing quartz veins occur in basaltic trachyandesite of unknown age. Enrichment of $k_2O$, MnO, Au, As, Rb, Sb, Pb, Zn, Cu, Ag and Cd, and depletion of $Na_2O$ and Sr are found in altered wallrocks. The ratio of $k_2O(k_2O+Na_2O)$, alteration index for trace elements, and Rb/Sr in altered wallrocks are increased, whereas Sr/CaO ratio is decreased with approach to the gold-bearing quartz veins. The widths of primary dispersion range from 17 cm to 155 cm. The relative dispersion width increases in order Au=Cu=Zn=Ag=Cd$k_2O$=Rb and Ba< $Na_2O$ $Na_2O$, As, Sb, Sr, Pb, Au, Cu, Zn, Ag and Cd, and a quadratic function for $k_2O$, MnO, Rb and Ba.

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Fire Acupuncture for Varicose Veins in the Lower Extremities: A Review of Randomized Controlled Trials

  • Onyou Jo;Jiyoon Lee;Sangmin Park;Jaewook Shin;Saerom Choi;Seongyong Choi
    • Journal of Acupuncture Research
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    • v.40 no.3
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    • pp.177-187
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    • 2023
  • Varicose veins have a substantial burden on individuals' aesthetics and overall quality of life. The current body of research on Korean medical interventions for varicose veins is limited in Korea, and exploration into clinical trends is lacking. This review specifically analyzed fire acupuncture, which is an understudied intervention in Korea that demonstrated efficacy in alleviating pain and paralysis while promoting tissue regeneration. A comprehensive investigation of the China National Knowledge Infrastructure database was conducted, utilizing terms such as "varicose vein," "fire needle," "fire acupuncture," "burning acupuncture," "burning needle," "huǒzhēn," "xiàzhī jìngmài," and "jìngmài qūzhāng." This review included 14 studies investigating the role of fire acupuncture in treating varicose veins. We extracted variables, including age, sex, disease duration, intervention method, treatment frequency, treatment period, acupoints, and outcomes. Fire acupuncture appeared as the primary intervention method, followed by general acupuncture. The protruding part of varicose veins is the main treatment area for fire acupuncture, while the acupoints BL57 and ST36 were most frequently utilized for general acupuncture. Treatment results revealed significant improvement in all studies. However, there are limitations, such as scarce studies, limited side effects studies, and potential bias. Consequently, extensive and well-structured future studies are necessary to demonstrate the role of fire acupuncture in varicose veins.

Study on Mineral Paragenesis in Sangdong Scheelite Deposit (상동광상(上東鑛床)의 광물공생(鑛物共生)에 관(關)한 연구(硏究))

  • Moon, Kun Ju
    • Economic and Environmental Geology
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    • v.7 no.2
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    • pp.45-62
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    • 1974
  • Scheelite deposits in Sangdong mine are divided into three parallel vein groups, namely "Hanging-wall vein" which is located in the lowest parts of Pungchon Limestone, "Main vein" the most productive vein replaced a intercalated limestone bed in Myobong slate, "Foot-wall veins" a group of several thin veins parallel to main vein in Myobong slate. Besides the above, there are many productive quartz veins imbedded in the above veins and Myobong slate. Molybdenite and wolframite are barren in the former three veins group but associates only in quartz veins. Both main vein and foot-wall veins show regular zonal distribution, quartz rich zone in the center, hornblende rich zone surrounding the quartz rich zone and diopside rich zone in the further outside to the marginal parts of the vein. According to the distribution of three main minerals, quartz, hornblende and diopside the main vein can be divided into three zones which are in turn grouped into 7 subzones by distinct mineral paragenesis. They are summerized as follows: A. Diopside rich zone: 1. garnet-diopside.fl.uorite subzone 2. diopside-zoisite-quartz subzone 3. diopside-plagioclase subzone B. Hornblende rich zone: 4. hornblende-diopside-quartz subzone 5. hornblende-quartz-chlorite subzone 6. hornblende-plagioclase-quartz.sphene subzone C. Quartz rich zone: 7. quartz-mica-chlorite subzone The foot-wall veins can similarly be divided by mineral paragenesis into 3 zones, 6 subzones as follows: A. diopside rich zone: 1. garnet-diopside-quartz.fl.uorite subzone 2. garnet-diopside-wollastonite subzone B. Hornblende rich zone: 3. quartz-hornblende-chlorite subzone 4. hornblende-plagioclase-quartz subzone 5. hornblende-diopside-quartz subzone C. Quartz rich zone: 6. quartz-mica subzone The hanging-wall vein is generally grouped into 9 subzones by the mineral paragenesis which show random distribution. They are as follows: 1. diopside-garnet-fluorite subzone 2. diopside-zoisite-quartz subzone 3. diopside-hornblende-quartz-fluorite subzone 4. wollastonite-garnet-diopside subzone 5. hornblende-chlorite-quartz subzone 6. quartz-plagioclase-hornblende-sphene subzone 7. quartz-biotite subzone 8. quartz-calcite subzone 9. calcite-altered minerals subzone Among many composing minerals, garnet specially shows characteristic distribution and optical properties. Anisotropic and euhedral grossularite is generally distributed in the hanging wall vein and lower parts of the main vein, whereas isotropic and anhedral andradite in the upper parts of the main vein. Plagioclase (anorthite) and sphene are distributed ony near the foot-wall side of the aboveveins. wollastonite is a characteristic mineral in upper parts of the hang-wall vein. Molybdenite is distributed in the upper parts of quartz veins and wolframite in lower parts of quartz veins.

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