• Title/Summary/Keyword: cold injury

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The Study on the Pathology of Soeumin in Sasang Constitutional Medicine (SCM) (소음인(少陰人) 병리론(病理論)에 관한 고찰(考察))

  • Hwang, Min-Woo;Koh, Byungh-Hee
    • Journal of Sasang Constitutional Medicine
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    • v.21 no.2
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    • pp.27-41
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    • 2009
  • 1. Objectives : This research was proposed to find our the pathology of Soeumin in Sasang Constitutional Medicine(SCM). 2. Methods : The related contents of the pathology of Soeumin were selected in Je-Ma Lee's literatures such as "Dongmu-YuGo(東武遺稿)"(DYG), "Donguisusebowon-SaSangchobongyun(東醫壽世保元四象草本卷)"(DSS), "Donguisusebowon-GabObon(東醫壽世保元甲午本)"(DGO), "Donguisusebowon-ShinChukbon(東醫壽世保元辛丑本)"(DSC), and the research was written in order to find out the physiology and pathology of Soeumin in SCM. 3. Results and Conclusions : The chronical change of pathologic concept in Soeumin diseases as follows: Pathology in Soeumin diseases was much Cold Qi(寒氣), and more descending Qi, less ascending Qi in DYG, DSS. In "Discourse on the viscera and bowels" of DGO and DSC, Soeumin has a circulation of Water-Food Hot Qi of Spleen Group(脾黨) and Water-Food Cold Qi of Kidney Group(腎黨). Exterior Disease(表病) was the injury of Exterior-Qi such as eye-shoulder Qi(目膂氣) by Pleasure-Nature-Qi(樂性氣), and Interior Disease(裏病) was the injury of Interior-Qi such as spleen-stomach Qi(脾胃氣) by Joy-Emotion-Qi(喜情氣). All diseases of Soeumin are caused by insufficient Warm Yang Qi(陽煖之氣) in Spleen Group(脾黨), so the pathology of Soeumin was focused on Requisite energy(保命之主) and each small viscera and bowels(偏小之臟). In this viewpoint, the schema of Soeumin diseases such as Ulkwang-syndrome(鬱狂證), Mangyang-syndrome(亡陽證), Taeum-syndrome(太陰證) and Soeum-syndrome(少陰證) were designed to explain the mechanism of each syndrome.

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A Case Report of Focal Ossification of the Auricular Cartilage (귀 연골조직에서 발생한 부분적 골화)

  • Suh, Hyeun Woo;Kim, Hyo Seong;Ha, Ki Young;Han, Eun Mee;Kim, Boo Yeong
    • Archives of Craniofacial Surgery
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    • v.12 no.1
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    • pp.58-62
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    • 2011
  • Purpose: The focal ossification of auricular cartilage is an unusual clinical entity in which the ear becomes partially or totally rigid and immalleable. This condition may result from cold injury, local trauma, inflammation, or various systemic diseases. Patients may feel mild discomfort, but there are usually no other serious symptoms. We present a case of focal ossification of auricular cartilage in which the cause is unknown. Methods: A healthy 58-year-old man presented with a 2-year history of hard mass of right posterior auricular area. He denied any precipitating historical events like cold injury and inflammation. Routine testing did not demonstrate systemic abnormalities. Ultrasonographic examination revealed a $22{\times}10{\times}11mm$ sized heterogenous isoechoic mass showing an acoustic shadow. Results: Excisional biopsy was performed under local anesthesia. Histological examination revealed the ossification with deposition of trabecular bone in normal elastic cartilage. The patient was healed without any problems and satisfied with the result. Conclusion: We report clinical experience of focal ossification of auricular cartilage, which is quite a rare clinical entity. It should be considered that there is the possibility of ossification of cartilage when it meets the benign mass of the ear.

Damages of Young Persimmon Tree as Affected by Application of Immature Liquid Pig Manure

  • Choi, Seong-Tae;Park, Yeo-Ok;Ahn, Gwang-Hwan;Kim, Eun-Gyeong;Son, Ji-Young;Joung, Wan-Kyu;Hong, Kwang-Pyo
    • Korean Journal of Environmental Agriculture
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    • v.38 no.2
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    • pp.89-95
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    • 2019
  • BACKGROUND: Liquid pig manure (LPM) has been used as an alternative for conventional fertilizers on some gramineous crops. However, its chemical properties varied widely depending on the degree of the digestion. A pot experiment was conducted to determine the responses of persimmon trees to immature (not well-digested) LPM application. METHODS AND RESULTS: Ten application levels of immature LPM, consisted of a total of 3 to 30 L in 3-L increment, were applied during summer to 5-year-old 'Fuyu' trees grown in 50-L pots. Increasing the LPM application rate caused defoliation, wilting, and chlorosis in leaves. When applied with the rate of 3 L during summer, the tree produced small fruits with low soluble solids and bore few flower buds the following season, indicating insufficient nutritional status. In trees applied with the LPM rates of 6~12 L, both fruit characteristics and above-ground growth of the trees appeared normal but some roots were injured. However, application of higher LPM rates than 27 L resulted in small size, poor coloration, or flesh softening of the fruits the current season. Furthermore, the high LPM rates caused severe cold injury in shoots during winter and weak shoot growth the following season. It was noted that the application of higher LPM rate than 9 L damaged the root, even though above-ground parts of the tree appeared to grow normally. CONCLUSION: The results indicated that an excessive immature LPM application could cause various injuries on leaves, fruits, and the roots in both the current and the following season.

Improvement of Shelf-life and Quality in Fresh-cut Tomato Slices

  • Hong, Ji-Heun
    • Food preservation and processing industry
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    • v.3 no.1
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    • pp.42-46
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    • 2004
  • Quality of fresh-cut tomato slices was compared during cold storage under various modified atmosphere packaging conditions. Chilling injury of slices in containers sealed with Film A was higher than with Film B; these films had oxygen transmission rates of 87.4 and 60.0 ml h-1 m-2 nun-1 at $5^{\circ}C$ and $99\%$ RH, respectively. While slices in containers with an initial atmospheric composition of air, $4\%$ CO2 + 1 or $20\%\;O_2, \;8\%\;CO_2+1$ or $20\%\;O_2$, or $12\%\; CO_2+\;20\%\;O_2$ showed fungal growth, slices in containers with $12\%\;CO_2 +\;1\%\;O_2$ did not. Low ethylene in containers enhanced chilling injury. Modified atmosphere packaging provided good quality tomato slices with a shelf-life of 2 weeks or more at $5^{\circ}C$. Experiments were conducted to compare changes in quality of slices of red tomato (Lycopersicon esculentum Mill. 'Sunbeam') fruit from plants grown using black polyethylene or hairy vetch mulches under various foliar disease management systems including: no fungicide applications (NF), a disease forecasting model (Tom-Cast), and weekly fungicide applications (WF), during storage at $5^{\circ}C$ under a modified atmosphere. Slices were analyzed for firmness, soluble solids content (SCC), titratable acidity (TA), pH, electrolyte leakage, fungi, yeasts, and chilling injury. With both NF and Tom-Cast fungicide treatments, slices from tomato fruit grown with hairy vetch (Vicia villosa Roth) mulch were firmer than those from tomato fruit grown with black polyethylene mulch after 12 days storage. Ethylene Production of slices from fruit grown using hairy vetch mulch under Tom-Cast was about 1.5- and 5-fold higher than that of slices from WF and NF fungicide treatments after 12 days, respectively. The percentage of water-soaked areas (chilling injury) for slices from tomato fruit grown.

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Differential Frost Tolerance and Enzymatic Activities in the Leaves and Immature Fruits of Loquat (Eriobotrya japonica Lindl.)

  • Zheng, Guohua;Niu, Xianqian;Zhang, Jinbiao;Wu, Hanwen;Lin, Xiuxiang;Pan, Dongming
    • Horticultural Science & Technology
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    • v.33 no.3
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    • pp.309-316
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    • 2015
  • In this experiment, five commercial cultivars and one wild species of loquat were used to investigate frost tolerance and enzymatic activities in leaves and young fruits under cold stress at $-3^{\circ}C$. The frost injury, malondialdehyde (MDA) content, and oxygen-scavenging enzyme activities of superoxide dismutase (SOD), peroxidase (POD), catalase (CAT) and ascorbate peroxidase (APX) were studied. This results showed that the wild species 'Wild Oak-leaf' loquat was the most frost tolerant among accessions tested, followed by the cultivar 'Golden Block'. Other cultivars, 'Wu Gong Bai', 'Taicheng 4', 'Xiangzhong 11' and 'Zaozhong 6', were relatively weak in frost tolerance. The enzymatic activities of SOD, POD and CAT increased initially and then decreased as the exposure time increased. However, the enzymatic peak occurred later in the frost-tolerant accession than in the frost-sensitive accession. The correlation coefficients of MDA contents between leaves and immature fruits were from 0.93 to 0.99 in the five commercial loquat cultivars. For the 'Wild Oak-leaf' loquat, the correlation coefficients of MDA and POD were 0.98 and 0.95, respectively, but the coefficients for SOD, CAT and APX were relatively low. In general, there were good correlations between loquat leaves and immature fruits in MDA content and enzyme activities. These results indicate that analysis of these physiological and biochemical activities in loquat leaves could potentially be used to predict the cold tolerance in loquat at immature fruit stage and to accelerate breeding programs for cold tolerance in loquat.

Effects of Methyl-Beta-Cyclodextrin (MBCD) on Cold Shock and Membrane Cholesterol Quantity during the Freezing Process of Miniature Pig Spermatozoa (미니돼지 정액 동결 시 Methyl-Beta-Cyclodextrin (MBCD)이 냉각 충격과 막 콜레스테롤량에 미치는 영향)

  • Lee, Sung-Young;Lee, Yong-Seung;Cheong, Hee-Tae;Yang, Boo-Keun;Park, Choon-Keun
    • Reproductive and Developmental Biology
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    • v.35 no.3
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    • pp.265-271
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    • 2011
  • This study was undertaken to find out the effect of methyl-beta-cyclodextrin (MBCD) on cold shock and membrane cholesterol quantity of sperm during the freezing process in miniature pigs. For this study, semen ejaculated from PWG M-type miniature pig was diluted that freezing solution (with egg yolk group) and m-Modena B (without egg yolk group) treated with 0, 1, 5, 10 and 20 mM MBCD before freezing process. The diluted semen was monitored sperm ability at room temperature, after cooled until $5^{\circ}C$ and after forzen-thawed for cold shock test of spermatozoa. Also, membrane cholesterol of sperm was extracted by folch solution at the same time sperm ability was assessed for viability and acrosomal status. The membrane cholesterol quantity was measured by thin-layer chromatography (TLC) method. The result, viability and acrosome integrity in semen diluted without egg yolk groups were decreased at all temperature range by increasing of MBCD concentration. In particular, sperm of egg yolk group was showed that significantly higher viability and lower acrosome damage when treated with 5 mM MBCD (p<0.05). The results of TLC experiment, cholesterol amounts were increased with MBCD cocentration in egg yolk, and decreased with MBCD concentration in m-Modena B. In cryopreservation efficiency, there was no significant difference at viability, and acrosomal state of sperm in 5 mM MBCD concentration was significantly lower in acrosome damage than other groups (p<0.05). Therefore, the addition MBCD in egg yolk was protected spermatozoa from cold shock injury. This protective effect of MBCD may be due to addition of sperm membrane cholesterol.

Physiological Characteristics Related to Cold Injury in Rice (수도 냉해에 관련된 생리적 특성 고찰)

  • 석순종;허일봉;임정남
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.36 no.5
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    • pp.429-444
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    • 1991
  • Cold stress influence plant growth through a wide range of growth characters. Adverse effects of low temperature to plant growth come from results of colligative and complex physiological responses to cold stress. To evaluate more exactly cold tolerance of crop plant, it is needed to observe physiological changes induced by cold stress and to analyze relationships between intraspecific variations in physiological factors related to cold tolerance and the extent of cold tolerance in the field. Therefore, the composition and unsaturation ratio of fatty acids in phospholipid, a constituent of membrane, the transition-temperature in respiratory activity of mitochodria, the chlorophyll fluorescence as a factor related to photosynthesis were investigated in rice plant and data on these factors were compared with the degree of cold tolerance obtained in the field experiment. Also, effects of hardening and Mn++ treatment were evaluated as a method to reduce chilling injuries. The unsaturation ratio of fatty acids, whether rice plants were grown in a natural condition or under the chilling stress, was higher in the cold- tolerant varieties and was significantly correlated with the degree of cold tolerance (1-9) observed in the field experiment. And it was also increased by chilling treatment or hardening treatment, due to a reduction in palmitic acid content and an increase in linolenic acid content. The transition-temperature of respiratory activity of mitochodria isolated from etiolated rice seedlings ($25^{\circ}C$, two week-grown in the dark), was correlated with the degree of cold tolerance in the field, cold -tolerant varieties showing a lower transition-temperature. It was not influenced by growth stages. The intensity of chlorophyll fluorescence was highly correlated with the degree of cold tolerance, cold-tolerant varieties having a higher fluorescence intensity. By foliar application of Mn, the transition-temperature of respiratory activity was lowered as much as 0-2$^{\circ}C$ in all tested varieties. Soil application of Mn induced more significant effect in cold-susceptible varieties with a possibility of reducing chilling injuries. On the whole, there were high correlationships among the degree of cold tolerance, the unsaturation ratio of fatty acids in phospholipid, the transition- temperature of respiratory activity and chlorophyll fluorescence except for a few varieties. The transition- temperature of respiratory activity appeared to be negatively correlated with the unsaturation ratio of fatty acids. and the chlorophyll fluorescence to be positively correlated with the unsaturation ratio. This implies that these physical and physiological factors were very closely related to cold tolerance and can be used as an effective index of the evaluation of cold tolerance of crop plant. But other factors as well as three factors discussed above are needed to be considered colligatively and altogether with a systematic analysis for the more exact evaluation of cold tolerance. in rice cultivars. in rice cultivars.

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Comparison of Growth Rate and Cold Tolerance with Basic Species, Commercial Lines, and Breeding Lines of Zoysiagrass (한국잔디류 기본종, 상업종 및 육종계통들의 생육속도 및 내한성 비교)

  • Choi, Joon-Soo;Yang, Geun-Mo
    • Asian Journal of Turfgrass Science
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    • v.19 no.2
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    • pp.131-140
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    • 2005
  • This study was conducted to compare cold tolerances and growth rates of 5 basic species, commercial lines, and breeding lines of zoysiagrass. Total 41 zoysiagrasses were tested at the northern part (Jeokseong-myeon) and the middle part (Cheonan) of South Korea. Cold tolerance (survival rate during winter), growth rate, green-up speed, and density data were collected visually. Four types of zoysiagrasses (Z. matrella, Z. tenuifolia, USm, and S4M2) with genetic characteristics of Z. matrella died during winter cold, while the others survived. Midium leaf type zoysiagrasses, such as Anyang1, Samdeock1, Anyang2, SJ21, and Pyeongdong, with genetic characteristics of both Z. sinica and Z. macrostachya showed vigorous growth rate one year after planting at the northern part (Jeokseong-myeon). Twenty nine ($70.7\%$) zoysiagrasses showed vigorous growth rate, but the other twelve ($29.3\%$) zoysiagrasses died by cold and drought condition at the middle (Cheonan) part of S. Korea. Anyang2, AJ9-7, Samdeock1, Samdeock2, Samdeock3, and Zenith-C showed vigorous growth rate even though cold and drought environmental condition were artificially provided at these region. But, SJ2-19, NSm, 88Mey, 88Mey-7S, 88Mey-9S, SJ2l-10, ASm, and DBm which did not die at the northern part, showed serious injury at the middle part of S. korea. From this results, we can conclude that drought is as important factor as low temperature for zoysiagrasses during winter.

A Comparative Study of Antegrade Cardioplegia Versus Retrograde Cardioplegia for Myocardial Protection during the Open Heart Surgery (순행성 관관류법과 역행성 관관류법의 임상적 비교연구)

  • 조완재
    • Journal of Chest Surgery
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    • v.22 no.4
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    • pp.609-619
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    • 1989
  • During aortic valve surgery, cardioplegic solution is delivered through direct cannulation of both coronary ostia. Since this approach may cause an intimal injury leading to acute dissection or late ostial stenosis, this study was undertaken to evaluate myocardial protective effect of retrograde perfusion of cardioplegia [RCSP <% RRAP] in 18 clinical cases, which were compared with antegrade perfusion of cardioplegia in 27 clinical cases. This study were investigated 1] cease and return of electromechanical activity after cardioplegia infusion 2] the myocardial temperature during operation 3] the aortic cross clamping time and total bypass time 4] frequency of DC shock for defibrillation 5] need for inotropic drugs after operation 6] electrocardiographic evidence of myocardial infarction or ventricular arrhythmia after operation 7] the enzymes activity during preoperative and postoperative period as an evaluation of myocardial ischemic injury and 8] operative mortality rate The combination of retrograde cardioplegia and topical cooling with ice slush yielded promptly hypothermia of myocardium and shorter aortic cross-clamping time compared with antegrade cardioplegia [P < 0.05]. The temperature of the interventricular septum was maintained below 20oC by continuous perfusion or intermittent perfusion of cold blood cardioplegia and other results were no statistically significant difference between the two methods [P >0.05]. This technique provides clear operative field and avoids some serious complications which are caused by coronary ostial cannulation. These results suggested that the retrograde perfusion of cardioplegia is a simple, safe, and effective means of myocardial protection during open heart surgery.

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The Effect of Cryotherapy on Spasticity (경직에 대한 한냉치료의 효과)

  • Choi Jin-Ho;Kim Jin-Sang;Kim Han-Soo
    • The Journal of Korean Physical Therapy
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    • v.9 no.1
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    • pp.167-175
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    • 1997
  • The purpose of this study was to determine the efforts of cold applied for reducing spasticity in patients with traumatic brain injury and cerebrovascular accident who did not take neurosurgical treatment and medication except patients with spinal cord injury. The participants consisted of 17 men and 28 female was ramdomly assigned to three groups with each 15. The results were as followings after making on observation about the change of skin temperature and spasticity throughout cryotherapy which was performed with cooling air in Group I (1 min), Group II (5 min) and Group III (10 min). 1. It was found that the Group III, Group II, Group I, in the order named, had the statistically significant reduction of skin temperature, the reduction of spasticity showed statistically significance in Group III, Group II, in order named, but did net show it even though there was a little increase in Group I. 2. The reduction of skin temperature and spasticity did not continue over 24 hours at the same time every day for 5 days. 3. The longer cryotherapy was applied the more skin temperature and spasticity reduced, the more skin temperature was reduced the more spasticity reduced.

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