• 제목/요약/키워드: cerebrovascular diseases

검색결과 282건 처리시간 0.031초

High performance liquid chromatography를 이용한 빈카민 분석 및 빈카마이너의 항산화능 측정 (Analysis of Vicamine Using High Performance Liquid Chromatography and Antioxidant Activity of Vincaminor Extract)

  • 정종희;백유미;이광근
    • 한국식품과학회지
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    • 제40권5호
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    • pp.599-602
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    • 2008
  • 빈카마이너 유효 성분인 빈카민은 인돌알카로이드의 일종으로 뇌혈관 질환 치료에 자주 사용 되어 왔다. 빈카마이너의 항산화능을 알아보기 위하여, 빈카마이너 추출액과 빈카민의 항산화능을 DPPH와 lipid MA 측정법으로 측정하였다. 빈카마이너 잎을 분쇄하여 물, 메탄올, 에탄올 용매로 추출하였다. 추출물의 항산화능은 추출용매와 측정방법에 따라 상이한 결과를 보였다. DPPH 방법으로 항산화능을 측정한 결과, 물 추출액에서 가장 높은 항산화능을 보였다. 그러나 lipid MA 측정법에 의한 결과에서는 에탄올 추출액이 5,000 ${\mu}g/mL$ 농도에서 대구 간유의 MA 형성을 82%까지 저해시킨 것으로 나타나 가장 높은 항산화능을 보였다. 빈카마이너 추출액 중 빈카민은 HPLC에 의해 분석되었으며 빈카민의 함량은 0.42$\pm$0.005 ${\mu}g/mL$이었다.

Screening of Cholesterol-lowering Bifidobacterium from Guizhou Xiang Pigs, and Evaluation of Its Tolerance to Oxygen, Acid, and Bile

  • Zhang, Rujiao;He, Laping;Zhang, Ling;Li, Cuiqin;Zhu, Qiujin
    • 한국축산식품학회지
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    • 제36권1호
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    • pp.37-43
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    • 2016
  • Cardiovascular and cerebrovascular diseases seriously harm human health, and Bifidobacterium is the most beneficial probiotic in the gastrointestinal tract of humans. This work aimed to screen cholesterol-lowering Bifidobacterium from Guizhou Xiang Pig and evaluate its tolerance to oxygen, acid, and bile. Twenty-seven aerotolerant strains with similar colony to Bifidobacterium were isolated through incubation at 37℃ in 20% (v/v) CO2-80% (v/v) atmospheric air by using Mupirocin lithium modified MRS agar medium, modified PTYG with added CaCO3, and modified PTYG supplemented with X-gal. Ten strains with cholesterol-lowering rates above 20% (w/w) were used for further screening. The selected strains’ tolerance to acid and bile was then determined. A combination of colony and cell morphology, physiological, and biochemical experiments, as well as 16S rRNA gene-sequence analysis, was performed. Results suggested that BZ25 with excellent characteristics of high cholesterol-removal rate of 36.32% (w/w), as well as tolerance to acid and bile, was identified as Bifidobacterium animalis subsp. lactis. To further evaluate Bifidobacterium BZ25’s growth characteristic and tolerance to oxygen, culture experiments were performed in liquid medium and an agar plate. Findings suggested that BZ25 grew well both in environmental 20% (v/v) CO2-80% (v/v) atmospheric air and in 100% atmospheric air because BZ25 reached an absorbance of 1.185 at 600 nm in 100% atmospheric air. Moreover, BZ25 was aerotolerant and can grow in an agar medium under the environmental condition of 100% atmospheric air. This study can lay a preliminary foundation for the potential industrial applications of BZ25.

A novel GLA mutation in a Korean boy with an early cardiac manifestation of Fabry disease

  • Kwon, Soonhak;Park, Jin-Sung;Jung, Jae Hun;Hwang, Su Kyeong;Kim, Yeo Hyang;Lee, Yun Jeong
    • Journal of Genetic Medicine
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    • 제15권1호
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    • pp.28-33
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    • 2018
  • Fabry disease (FD) is a rare X-linked lysosomal storage disorder caused by the deficiency of ${\alpha}$-galactosidase A. Patients with classical FD present acroparesthesia, hypohidrosis, cornea verticillata, disseminated angiokeratoma, and microalbuminuria in childhood, and develop life-threatening renal, cardiac, and cerebrovascular complications typically after the fourth decade of life. To date, more than 700 mutations responsible for FD have been identified in the human GLA gene. Herein, we report a novel GLA mutation, c.1117_1141del25 (p.Gly373Profs*10), identified in an 11-year-old Korean boy with FD presenting early cardiac and neurologic manifestation and in other affected family members. The boy had acroparesthesia, hypohidrosis, cornea verticillata, and left ventricular hypertrophy. His mother and sister also had acroparesthesia. Two males on the mother's side had similar pain and died of unknown causes. The plasma ${\alpha}$-galactosidase A activity (4.1 nmol/hr/mg protein) of the patient was markedly lower than the mean value of the controls. The plasma level of globotriaosylsphingosine was elevated in the patient and all the carriers. We concluded the novel GLA mutation c.1117_1141del25 is a pathogenic mutation for FD, probably related to the early cardiac manifestation of FD.

우황청심원의 고문헌기록 및 실험적 연구결과 분석을 통한 임상응용 확대의 필요성 고찰 (A Survey on Ancient Literature Records on Woohwangchungsim-won and its potential clincial application)

  • 오영택;오현묵;김서우;김원용;손창규;조정효
    • 혜화의학회지
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    • 제26권1호
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    • pp.1-10
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    • 2017
  • Objectives: The aim of this study is (1) to investigate the historic changes and pharmacological efficacies of Woohwangchungsim-won and (2) to discuss the necessities for Woohwangchungsim-won's clinical applications. Methods: This study was performed through (1) investigating the ancient literature records related with Woohwangchungsim-won and analyzing Woohwangchungsim-won's composition, dosage and indications, (2) searching articles about Woohwangchungsim-won on 10 major Korean web and 3 major foreign web article search engines and analyzing Woohwangchungsim-won's pharmacological efficacies and indications. Results: Woohwangchungsim-wom has been used for cerebrovascular diseases such as stroke and palpitation. Also, there are some ancient literature records of Woohwangchungsim-won's clinical applications in neuropsychiatric disorders such as depression and bipolar disorder. In addition, there have been a number of experimental studies which demonstrate Woohwangchungsim-won's neuroprotective effect on cerebral cortex and hippocampus injury. So, it is possible to infer that Woohwangchungsim-won can be used for the treatments of neuropsychiatric disorders associated with neuronal cell death in cerebral cortex and hippocampus. But there have been no or less experimental studies which demonstrate the pharmacological efficacy of Woohwangchungsim-won on such disease. Conclusion: It is necessary that further experimental studies which demonstrate Woohwangchungsim-won's pharmacological efficacy on neuropsychiatric disorders should be done and Woohwangchungsim-won's clinical applications should be expanded on the basis of those related experimental results.

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피질하 혈관성치매의 진단, 치료 및 예방 : 1례 보고와 함께 (Diagnosis, Treatment and Prevention of Subcortical Vascular Dementia with a Case Report)

  • 최성훈;구세광;전우현;백경민;한창현;전원경;이영준
    • 대한예방한의학회지
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    • 제14권3호
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    • pp.63-75
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    • 2010
  • Vascular dementia(VaD) is currently considered to be the second most common type of dementia. VaD is not a single diagnostic entity, but a heterogeneous syndrome which encompasses several clinicopathological forms of dementia resulting from cerebrovascular diseases. A common form of VaD is subcortical VaD which is characterized by lacunar infarcts and deep white matter changes, leading to a progressive decline in memory and cognitive function. The neuropsychological and cognitive profiles of subcortical VaD have been reported relatively homogeneous. At present, subcortical vascular dementia is regarded as the most important subtype of VaD with getting the attention of vascular dementia. The aims of this study are to discuss the concept of subcortical VaD and its importance focusing on diagnosis, prevention and treatment with a case report.

일반인의 대체의료 이용행태에 관한 연구 (The Survey on Using Alternative Medicine in General Population with Medical Problems : A Pilot Study)

  • 정양수;문봉경;남형우;박주성;엄세연;최병무
    • 정신신체의학
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    • 제6권1호
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    • pp.70-78
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    • 1998
  • Alternative medicine is defined as the practices used for the prevention and the treatment of diseases that are not taught widely in medical schools, nor generally available inside hospitals. Alternative medicine or therapy is of growing interest to the general public. We conducted a survey to determine the prevalence and patterns of using alternative medicine such as herbal medicine acupuncture, folk medicine, health food and diet, yoga, qi therapy, shiatsu, chiropractics, homeopathy etc.. Based on 794 completed questionnaires, 484 respondents(61%) reported using at least one form of alternative medicine for their medical problems. The major medical conditions for which they used alternative medicine were back pain(85.6%), arthritis(85.4%), hypertension(85.2%), cerebrovascular disorders(86.4%), and insomnia(84.6%). The types of alternative medicine frequently used were herbal medicine, acupuncture, folk medicine, and health food. The reasons why the vast majority of people sought after alternative medicine was that: less side-effect, it is not harmful, it is more effective, there is a shorter waiting time, and a better explanation fur the conditions and a kinder therapist. We found that the frequency of using alternative medicine in the health care system was high. Physicians need to be more aware that many patients may be using alternative medicine. Further survey of the nation-wide prevalence of alternative medicine, and scientific study into the efficacy of this medicine should be followed. In the meantime, we suggest paying attention to possible harmful effects caused by some sorts of alternative medicine.

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성인에서 총경동맥 내중막 두께와 심혈관질환 위험인자와의 관련성 (Association of Carotid Artery Intima-Media Thickness and Cardiovascular Risk Factors in Adult)

  • 김미영;김화선;김신영
    • 대한방사선기술학회지:방사선기술과학
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    • 제36권1호
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    • pp.25-30
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    • 2013
  • 경동맥 내중막 두께의 증가는 죽상경화증의 조기 표지자이며 관상동맥 질환과 뇌혈관 질환의 강력한 예측자이다. 이 연구의 목적은 성인에서 총경동맥 내중막 두께와 심혈관질환 위험인자들 사이의 연관성을 알아보고자 하였다. 총 134명을 대상으로 초음파를 이용하여 총경동맥 내중막 두께를 측정하였으며, 신체계측과 혈액검사를 시행하여 다음과 같은 결과를 얻었다. 연구결과 남성의 내중막 두께가 여성에 비해 더 두꺼운 것으로 나타났으며, 연령이 증가함에 따라 내중막 두께도 유의하게 증가하는 것으로 나타났다. 혈중지질 중 총 콜레스테롤과 동맥경화지수가 내중막 두께와 유의한 양의 상관관계가 있는 것으로 나타났다. 이상의 결과를 정리하면 성인에서 심혈관질환 위험인자는 총경동맥 내중막 두께 증가와 연관성이 있는 것으로 나타났다.

하지 만성 허혈에 대한 동맥 우회술의 임상적 고찰 (Clinical Analysis of the Arterial Bypass Surgery for Chronic Ischemia of the Lower Extremities)

  • 안정태
    • Journal of Chest Surgery
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    • 제28권7호
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    • pp.678-683
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    • 1995
  • Arterial bypass for the chronic ischemia of the lower extremities underlying atherosclerotic obliterans has been performed with a number of alternative conduits from 1941 by Kunlin. It is indicated for the limb salvage of patients with threatened limb loss despite of several controversies in surgical treatment of atherosclerotic obliterans. From March 1991 to January 1995, 26 arterial bypasses were performed in 23 patients with the chronic ischemia of the lower extremities in our hospital. Their mean follow up period is 18.9 months ranging from 4 months to 44 months. Mean age is 60.9 years ranging 47 years to 76 years and the most prevalent incidence is the 6th decade. 21 patients are male and 2 patients are female. 19 of 23 patients are smokers. Clinical classifications by Fontaine are class II[21.7% , class III[34.8% and class IV[43.5% .Diabetes mellitus[47.8% , hypertension[43.5% , hyperlipid-emia[26% , tuberculosis[21.7% , cerebrovascular accident[13.0% and cardiac diseases[8.7% are associated. Aorto-single femoral bypass in 4 cases, aorto-bifemoral bypass in 5 cases, aortofemoral & femoropopliteal bypass in 2 cases, femoropopliteal bypass in 10 cases, popliteotibial bypass in 3 cases, femoropedal bypass[composite graft bypass in 2 cases were surgically approached. There are complicated early thrombosis in 4 cases those are required immediately reoperation, wound infection in 3 cases, hematoma in 3 cases, and so on. Postoperative complication rate is 53.8%.Postoperative patency rates are 84.6% at 6 months, 75.0% at 1 year, 70.0% at 2 years and 66.7% at 3 years. We usually used 6 mm & 8 mm graft for bypass, and the rate of thrombosis formation is 28.6%[2/7 in 6 mm graft and 12.5%[2/16 in 8 mm separately. In according to the graft materials, the rate of thrombosis formation is higher in the group using artificial graft than in that using autologous saphenous vein[16.6% vs 12.5% . Limb salvage rate is 76.9%. Postoperative mortality rate is zero %.

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광범위한 뇌경색증이 합병된 지발형 B군 사슬알균에 의한 수막염 증례 (Late-Onset Group B Streptococcal Meningitis Complicated with Extensive Cerebral Infarction)

  • 조민수;김용민;조혜경;최수한
    • Pediatric Infection and Vaccine
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    • 제25권1호
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    • pp.45-49
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    • 2018
  • B군 사슬알균은 3개월 미만 영아에서 발생하는 침습성 감염증의 주요한 원인균이다. 신생아 침습성 B군 사슬알균 수막염에 의한 뇌혈관 합병증은 드물게 보고되고 있다. 발열을 주소로 내원한 생후 29일 신생아에서 세균성 수막염이 진단되었다. 입원 3일째 경련이 발생하였고 뇌 자기공명영상에서 다발성의 광범위한 대뇌피질(양측 전두엽, 측두엽 및 후두엽)과 뇌량 및 좌측 후두엽에서 급성 뇌경색증 합병된 소견을 보였다. 환아의 혈액과 뇌척수액에서 B군 사슬알균이 분리되었고 serotype III, ST-19으로 확인되었다. 현재 환아는 피질맹과 발달 지연을 보이고 있다.

Poor nutrition and alcohol consumption are related to high serum homocysteine level at post-stroke

  • Choi, Seung-Hye;Choi-Kwon, Smi;Kim, Min-Sun;Kim, Jong-Sung
    • Nutrition Research and Practice
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    • 제9권5호
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    • pp.503-510
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    • 2015
  • BACKGROUND/OBJECTIVES: Increased serum homocysteine (Hcy) levels have been reported to be related to the occurrence of cardio- and cerebrovascular diseases. High serum Hcy levels are also related to the development of secondary stroke and all-cause mortality. The purpose of this study was to investigate the prevalence of high serum homocysteine level and relating factors, and the change over the 10 month period post-stroke. SUBJECTS/METHODS: Consecutive stroke patients who were admitted to the Asan Medical Center were enrolled. Ten months after the onset of stroke, an interview with a structured questionnaire was performed and blood samples were obtained for the biochemical parameters. Nutritional status was determined using the mini nutritional assessment (MNA) score and dietary nutrient intakes were also obtained using a 24 hour recall method. RESULTS: Out of 203 patients, 84% were malnourished or at risk of malnutrition, and 26% had high homocysteine levels at 10 months post-stroke. Using logistic regression, the factors related with high homocysteine levels at 10 months post-stroke included heavy alcohol consumption (P = 0.020), low MNA scores (P = 0.026), low serum vitamin $B_{12}$ (P = 0.021) and low serum folate levels (P = 0.003). Of the 156 patients who had normal homocysteine levels at admission, 36 patients developed hyperhomocysteinemia 10 months post-stroke, which was related to heavy alcohol consumption (P = 0.013). Persistent hyperhomocysteinemia, observed in 22 patients (11%), was related to male sex (P = 0.031), old age (P = 0.042), low vitamin $B_6$ intake (P = 0.029), and heavy alcohol consumption (P = 0.013). CONCLUSION: Hyperhomocysteinemia is common in post-stroke, and is related to malnutrition, heavy alcohol drinking and low serum level of folate and vitamin $B_{12}$. Strategies to prevent or manage high homocysteine levels should consider these factors.