• Title/Summary/Keyword: Ischemic disease

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Effect of Health Behavior and Obesity Indices on Blood Pressure in Peru Low-income Urban Areas (Baseline 조사 결과를 이용한 페루 도시 빈곤지역 주민의 건강행태와 비만이 혈압에 미치는 영향)

  • Kim, Jae Woo;Nam, Eun Woo;Kim, Dohyeong;Yoon, Youngmin
    • The Journal of Korean Society for School & Community Health Education
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    • v.17 no.1
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    • pp.23-33
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    • 2016
  • Objectives: The purpose of this study is analysing the influence of how health behavior such as smoking, drinking, and consuming salt and obesity affects to blood pressure and providing useful data for preventing ischemic heart disease of Peru which is main cause of death since 2012 and promoting healthy lifestyle of community. Methods: At the selected four districts in Lima and Callao region of Peru by KOICA Peru office, survey was conducted among adults over the age of 18. Excepted 19 incomplete people for the missing, 686 people were analysed in this survey. Results: There was no significant relationship between blood pressure and drinking and salt intake. By regression analysis, systolic blood pressure was significantly related with gender, age and abdominal obesity and diastolic blood pressure was significantly related with gender and abdominal obesity. Conclusions: As a result, diastolic and systolic blood pressure are mainly affected by waist circumference and gender. Therefore, It's need to be classifying male into vulnerable groups in the occurrence of hypertension and providing health education and information about hypertension to them. For improving health status of vulnerable group, awareness of hypertension prevention and changing unhealthy lifestyle to healthy lifestyle activities are necessary. In the end, it is necessary to prevent abdominal obesity through periodic health education.

Drug research and development tend to hyperlipidemia (이상지질혈증과 치료제 연구개발 경향)

  • Seol, In-Chan
    • Journal of Haehwa Medicine
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    • v.18 no.2
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    • pp.1-12
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    • 2009
  • Most of the cholesterol is synthesized by liver in the body while about one of third is taken via dietary. The main functions of cholesterol is to protect membranes in cell surface, avoid the arterial bleeding by hypertension, and prolong the life of erythrocytes, and so on. However, overload of cholesterol leads to arteriosclerosis associated with leading death cause. Lack of physical activity, emotional and environmental stress, and low intake of protein or vitamin E induce the unbalance between HDL- and LDL-cholesterol so become a basis of ischemic disorders in heart, brain and elsewhere in the body. So far, four major classes of medications for hyperlipidemia are HMG-CoA reductase inhibitors (statins), bile acid sequestrants, nicotinic acid, and fibric acids. The statins can lower LDL and levels triglyceride, but may induce myopathy and an elevation of liver enzyme levels. The bile acid sequestrants lower LDL levels and raise HDL levels with no effect on triglyceride levels but side effects of gastrointestinal (GI) distress, constipation, and a decrease in the absorption of other drugs. Nicotinic acid and fibric acids lower LDL and triglyceride levels with showing flushing, hyperglycemia, hyperuricemia, GI distress, and hepatotoxicity dyspepsia, gallstones, myopathy, and unexplained noncardiac death as adverse effects. Above western drugs lower cholesterol by 15 to 30% while all have notable adverse effects. In traditional medicine, hyperlipidemia is regarded as retention of phlegm and fluid disease. Etiology and pathogenesis of hyperlipidemia is basically based on Spleen-Deficiency and Phlegm-Stagnation, accumulation and stasis of -heat, and Qi & blood stagnation induced by Phlegm-damp, water-dampness, and blood stasis. Thereby, strengthening Spleen and dissolving Phlegm, clearing away heat and diuresis, and supplementing Qi and activating blood circulation are commonly used therapeutic methods for hyperlipidemia. The traditional herbal medicine, have been used for patients with CVA, hypertension or hyperlipidemia in Oriental hospital or Oriental clinic. The lock and key theory is used to develop most of western medicine, however many diseases are caused by mixed factors in body-complex system. We expect that Oriental pharmacological theory could be newborn as a novel drug showing high advantage of blood levels of lipidsand QOL of performance without side effects.

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Preparation of In Vivo Rat Lung Model for Ischemia-Reperfusion Injury (허혈 재관류 손상 실험의 쥐 생체 모델 작성)

  • Lee, Won-Jin;Park, Hui-Cheol;Hong, Gi-U
    • Journal of Chest Surgery
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    • v.28 no.11
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    • pp.963-966
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    • 1995
  • Ischemia reperfusion injury occurs in various diseases. The role of oxygen free radicals in IR injury of the lung has been spotlighted and many studies have been performed. In this study, we tried to prepare a stable rat lung model for IR injury, focusing on surrounding conditions as hilar stripped left lung, clamped left pulmonary artery and bronchus,and declamped after determined period was passed, and right main pulmonary aretery was clamped. Arterial blood gas analyes were performed at 1, 10, 20, 30, minutes after reperfusion. Before clamping, PaO2 was 95 to 120 mmHg in all animals. There were six groups; Group I : temperature 15o C, and 120 minutes clamping, Group II: 20 oC, and 120 minutes clamping, Group III : 25 oC, and 120 minutes clamping, Group IV : 15oC, 90 minutes clamping, Group V : 20 oC, 90 minutes clamping,Group VI: 20 oC, 75 minutes clamping. Each groups contained 10 Sprague Dayley rats. The humidity was maintained 100 % as circulation imerged isotonic Hartmann`s solution of the pleural cavity. In group IV, V, and VI, PaO2 decreased significantly in all animals immediately after reperfusion, but 43 % survived till 10 minutes after reperfusion, it was 74.0$\pm$5.7, 73.3$\pm$10.8,and 88.2$\pm$17.7 mmHg. Pulmonary edema was observed histologically in 2/10 animals in group IV, 6/10 in group V , 3/10 in group VI, 9/10 in group I, and the other lungs showed all edema. We established a stable model by setting ischemic time,and temperature, between 75 to 90 minutes,15 to 20o C, and isotemperature Hartmann`s solution immersion of the pleural cavity.

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The Neovascularization Effect of Bone Marrow Stromal Cells in Temporal Muscle after Encephalomyosynangiosis in Chronic Cerebral Ischemic Rats

  • Kim, Hyung-Syup;Lee, Hyung-Jin;Yeu, In-Seung;Yi, Jin-Seok;Yang, Ji-Ho;Lee, Il-Woo
    • Journal of Korean Neurosurgical Society
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    • v.44 no.4
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    • pp.249-255
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    • 2008
  • Objective : In Moyamoya disease, the primary goal of treatment is to improve collateral circulation through angiogenesis. In the present study, we obtained and sub-cultured bone marrow stromal cells (BMSCs) from rats without a cell-mediated immune response. Then, we injected the labeled BMSCs directly into adjacent temporal muscle during encephalomyosynangiosis (EMS). Three weeks after BMSC transplantation, we examined the survival of the cells and the extent of neovascularization. Methods : We divided 20 rats into a BMSC transplantation group (n=12) and a control group (n=8). Seven days after the induction of chronic cerebral ischemia, an EMS operation was performed, and labeled BMSCs ($1{\times}106^6/100\;{\mu}L$) were injected in the temporal muscle for the transplantation group, while an equivalent amount of culture solution was injected for the control group. Three weeks after the transplantation, temporal muscle and brain tissue were collected for histological examination and western blot analysis. Results : The capillary/muscle ratio in the temporal muscle was increased in the BMSC transplantation group compared to the control group, showing a greater increase of angiogenesis (p<0.05). In the brain tissue, angiogenesis was not significantly different between the two groups. The injected BMSCs in the temporal muscle were vascular endothelial growth factor (VEGF)-positive by immunofluorescence staining. In both temporal muscle and brain tissue, the expression of VEGF by western blot analysis was not much different between the two groups. Conclusion : During EMS in a chronic cerebral ischemia rat model, the injection of BMSCs resulted in accelerated angiogenesis in the temporal muscle compared to the control group.

Study of the Effects of Samulhwalhyeol-tang in Hyperlipidemic Animal Model Induced with a High-Fat Diet (고지방 식이로 유발된 고지혈증 동물 모델에서 사물활혈탕(四物活血湯)의 효과 연구)

  • Kang, Seong-Sun;Shin, Yong-Jin;Jo, Jae-Joon;Jeon, Sang-Yun
    • The Journal of Internal Korean Medicine
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    • v.35 no.2
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    • pp.119-132
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    • 2014
  • Objectives : This study was undertaken to investigate the effects of Samulhwalhyeol-tang (SM) in a hyperlipidemic animal model induced by a high-fat diet using diverse biological methods. Methods : This study was to determine whether fractionated EtOH extracts of SM inhibit reactive oxygen species (ROS) and nitric oxide (NO) in RAW 264.7 cells. Hyperlipidemia was induced by a high-fat diet fed for 6 weeks. Total cholesterol, LDL cholesterol, HDL cholesterol, triglyceride, glucose, liver function, cholesterol gene revelation control efficiency, and histologic change of liver were measured after oral administration of SM. Results : 1. Compared to the control group, ROS production (%) and NO production (%) were decreased significantly by SM. 2. Total cholesterol, LDL cholesterol, triglyceride were decreased significantly by SM. 3. HDL cholesterol was increased significantly by SM. 4. Rats' body weight and glucose were decreased significantly by SM. 5. AST, ALP were decreased significantly by SM. 6. In histopathologic examination, fatty liver and fiver fibrosis were inhibited, almost eliminated as round of fat was observed in the liver. Conclusions : SM would appear that effective in the prevention and treatment of atherosclerosis, ischemic heart disease, other cardiovascular diseases, fatty liver and nephrotic syndrome caused by hyperlipidemia.

Transcatheter Embolotherapy of Giant Pulmonary Arteriovenous Malformation Using Amplatzer® Vascular Plug (Amplatzer® 혈관폐색장치를 이용한 거대 폐동정맥기형 색전술 1예)

  • Jung, Ki Hwan;Lee, Seung Hwa;Shin, Chol;Kim, Je Hyeong
    • Tuberculosis and Respiratory Diseases
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    • v.67 no.1
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    • pp.52-58
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    • 2009
  • Pulmonary arteriovenous malformation (PAVM) is a rare pulmonary vascular anomaly due to an abnormal communication between the pulmonary artery and vein. The most common presenting symptom is a dyspnea on exertion related to this right-to-left shunt. If left untreated, PAVM has been known to result in serious complications. Incomplete pulmonary capillary network can be the cause of cerebral abscesses and other noninfectious neurological complications, such as stroke and transient ischemic attacks due to paradoxic embolism Transcatheter embolotherapy, using coils or balloons, has replaced surgical resection as the treatment of choice for PAVM. However, the risk of device embolization has limited the use of coil embolotherapy, while the size of PAVM is huge. Recently, Amplatzer$^{(R)}$ Vascular Plug has been proposed as an alternative endovascular occlusion device for arteriovenous malformation. We report a case of 81-year-old male patient with a giant PAVM, which was successfully treated by transcatheter embolotherapy using the Amplatzer$^{(R)}$ Vascular Plug.

THE EFFECT OF SUPEROXIDE DISMUTASE ON EXPERIMENTAL GINGIVITIS AND ACTIVITY OF 3T3 FIBROBLAST (Superoxide Dismutase가 백서의 실험적 치은염과 3T3 섬유모 세포의 활성에 미치는 영향)

  • Kim, Yoon-Seong;Yoo, Hyung-Keun;Kang, Hyun-Ku;Shin, Hyung-Shik
    • Journal of Periodontal and Implant Science
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    • v.25 no.2
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    • pp.222-238
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    • 1995
  • Inflammatory cells may produce active species of oxygen in antimicrobial defense. While such species can directly damage surrounding tissue, their major secondary role may be to mediate important components of the inflammatory response. Superoxide dismutase, antioxidant, have significant anti-inflammatory properties in rheumatoid arthritis, ischemic tissue injury and gastrointestinal disease. Increased oxidative product formation diseases. And superoxide dismutase produced by Porphyromonas Gingivalis is resistant to killing by polymorphonuclear leukocyte. The purpose of this study was to investigate on the effects of superoxide dismutase in 3T3 fibroblast and in experimental gingivitis in the rats. The effect of superoxide dismutase(SOD) to cell morphology and cell activity was measured in cultured mouse 3T3 fibroblast. After experimental gingivitis were induced by lipopolysaccharide(LPb) and bovine serum albumin(BSA), injection of SOD were done. WBC count and histologic findings were observed at 1, 2, 3, and 7 days. The results were as follows; 1. There was a little difference between LPS treated groups and SOD treated groups in 3T3 fibroblast morpholoy. 2. There was no difference between only SOD treated groups (except SOD 150U at 3days) and control in 3T3 fibroblast activity. 3. LPS $0.5{\mu}g/ml$ and SOD treated groups (except 150U) had decreased 3T3 fibroblast activity and no significant difference at 3 days. 4. LPS $5.0{\mu}g/ml$ and SOD treated groups were significantly increased cell activity of 3T3 fibroblast than control group at 1 day(P<0.05). 5. In LPS induced gingivitis, the number of leukocytes in SOD treated was significantly decreased than in saline treated at 1 day(P<0.05). 6. In histopathologic findings of LPS or BSA induced gingivitis, inflammatorycell infiltration in SOD treated groups were less than in saline treated group at 1, 2 and 3 days.

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Water Extract from Rice Bran Fermented with Lactobacillus plantarum Hong Inhibits Thromboxane A2 Production Associated Microsomal Enzyme Activity in Human Platelets

  • Kim, Hyun-Hong;Hong, Jeong Hwa;Ingkasupart, Pajaree;Lee, Dong-Ha;Yeo, DaNa;Park, Hwa-Jin
    • Biomedical Science Letters
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    • v.21 no.4
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    • pp.188-197
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    • 2015
  • In this study, we investigated the effect of rice bran water extract fermented with Lactobacillus plantarum Hong (RBLw), on activities of cyclooxygenase-1 (COX-1) and thromboxane $A_2$ synthase (TXAS), thromboxane $A_2$ ($TXA_2$) production associated microsomal enzymes and evaluated its the antiplatelet effect. RBLw, containing 13.5 mg of ferulic acid, dose-dependently inhibited ADP-induced platelet aggregation, and inhibited the production of $TXA_2$, an aggregation molecule. In addition, RBLw directly inhibited COX-1 activity in a dose-dependent manner, but not TXAS activity in platelet microsomal fraction having cytochrome c reductase (an endoplasmic reticulum marker enzyme) activity and expressing COX-1 (72 kDa) and TXAS (60.5 kDa) proteins. These results suggest that RBLw selectively inhibited the activity of COX-1 rather than TXAS to attenuate $TXA_2$ production in ADP-activated platelets. Thus, we demonstrate that RBLw might have direct COX-1 antagonistic function for platelet aggregation-mediated diseases, such as thrombosis, myocardial infarction, atherosclerosis, and ischemic cerebrovascular disease.

Clinico-Hematological Profile and Risk Stratification in Patients with Essential Thrombocythemia: Experience from Pakistan

  • Sultan, Sadia;Irfan, Syed Mohammed;Tanveer, Quratulain;Ali, Navaira
    • Asian Pacific Journal of Cancer Prevention
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    • v.16 no.17
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    • pp.7659-7661
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    • 2015
  • Background: Essential thrombocythemia (ET) is a Philadelphia chromosome-negative myeloproliferative neoplasm characterized by sustained thrombocytosis and megakaryocytic hyperplasia. It is an uncommon hematological malignancy which primarily affects elderly individuals. The rational of this study was to determine its clinico-hematological profile along with risk stratification in Pakistan patients. Materials and Methods: In this retrospective cross sectional study, 21 patients with ET were enrolled from January 2011 to December 2014. Data was analyzed with SPSS version 21. Results: The mean age was $56.7{\pm}19.0years$ (range 18-87) and the male to female ratio was 1:1.1. Of the total, 62% of patients were above 50 years of age. Overall 61.9% were diagnosed incidentally and were asymptomatic. In symptomatic patients, major complaints were weakness (19%); erythromelalgia (14.2%), transit ischemic attack (9.5%) and gastrointestinal bleed (4.7%). The mean hemoglobin count was $11.7{\pm}2.4g/dl$ with a total leukocyte count of $13.3{\pm}8.1{\times}10^9/l$ and platelets count of $1188.8{\pm}522.2{\times}10^9/l$. Serum lactate dehydrogenase, serum creatinine and uric acid were $454.3{\pm}127.8$, $1.2{\pm}0.5$ and $7.4{\pm}3.4$ respectively. According to risk stratification, 57.1% were in high risk; 23.8% in intermediate risk while 19.1% in low risk group. Conclusions: ET in our patients in Pakistan, unlike in the West, is seen in a relatively young population. Primarily patients were asymptomatic and risk stratification revealed predominance of high risk disease in our setting.

The Risk Factors of Acute Cardiovascular and Neurological Toxicity in Acute CO Poisoning Patients and Epidemiologic Features of Exposure Routes (급성 일산화탄소 중독 환자에서 급성 심혈관계, 신경학적 독성의 위험요인과 노출 경로의 역학적 특성)

  • Park, Jinsoo;Shin, Seunglyul;Seo, Youngho;Jung, Hyunmin
    • Journal of The Korean Society of Clinical Toxicology
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    • v.18 no.1
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    • pp.34-41
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    • 2020
  • Purpose: This study evaluated aggressive hyperbaric oxygen therapy (HBOT) by understanding various exposure routes of acute carbon monoxide (CO) poisoning, the risk factors causing acute cardiovascular, and neurological toxicity caused by poisoning. Methods: A retrospective study was conducted based on the medical records of 417 acute CO poisoning patients who visited the emergency care unit from March 2017 to August 2019. The exposure routes, HBOT performance, age, sex, medical history (hypertension, diabetes mellitus, ischemic heart disease, heart failure), intentionality, loss of consciousness (LOC), intake with alcohol or sedatives, and initial test results (carboxyhemoglobin (COHb), troponin-I, electrocardiography, echocardiography, brain MRI) were examined. Comparative analysis of the clinical information was conducted between the groups that showed acute cardiovascular toxicity and neurological toxicity, and groups that did not. Results: Among 417 patients diagnosed with acute CO poisoning, 201 cases (48.2%) were intentional, and charcoal briquette was the most common route (169 patients (40.5%)). Two hundred sixteen cases (51.8%) were accidental, and fire was the most common route (135 patients (32.4%)). The exposure route was more diverse with accidental poisoning. Three hundred ninety-nine patients were studied for acute cardiovascular toxicity, and 62 patients (15.5%) were confirmed to be positive. The result was statistically significant in intentionality, LOC, combined sedatives, initial COHb, HTN, and IHD. One hundred two patients were studied for acute neurological toxicity, which was observed in 26 patients (25.5%). The result was statistically significant in age and LOC. Conclusion: Active HBOT should be performed to minimize damage to the major organs by identifying the various exposure routes of CO poisoning, risk factors for acute cardiovascular toxicity (intentionality, LOC, combined sedatives, initial COHb, HTN, IHD), and the risk factors for acute neurological toxicity (age, LOC).