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Endovascular management in immature arteriovenous fistula for hemodialysis
Lee, Shin Jae,Jeon, Gyeong Sik,Lee, Byungmo,Lee, Gun,Lee, Jung Jun Wolters Kluwer Health 2018 Medicine Vol.97 No.36
<P><B>Abstract</B></P><P>To evaluate the outcomes and prognostic factors of endovascular management in immature arteriovenous fistula (AVF) for hemodialysis.</P><P>From April 2007 to September 2017, 54 patients (male:female = 31:23, mean age 65.63 years, range 33–90 years) who underwent endovascular management for the salvage of immature AVF were retrospectively reviewed. Clinical data, procedural details, and results were evaluated. Primary and secondary patency rates and factors influencing the patency were also analyzed.</P><P>Technical and clinical success rates were 88.9% (48/54) and 85.2% (46/54), respectively. Mean primary and secondary patency was 42.10 (±8.85) and 91.5 (±14.77) months, respectively. Primary and secondary patency rates were 66% and 89% in 1 year, 66% and 78% in 2 years, and 51% and 78% in 3 years. In multivariate analysis, only brachiocephalic AVF and antegrade access procedures showed significantly shorter primary patency (HR 5.196; 95% CI (1.04–25.77); <I>P = </I>.044, HR 8.096; 95% CI (1.36–48.00); <I>P = </I>.021). There was no statistically significant factor associated with secondary patency in the multivariate study.</P><P>Endovascular management in immature AVF is safe and effective to make the AVF available. Brachiocephalic AVF and antegrade access procedures are the factors influencing the patency in multivariate analysis.</P>
Preventive Pest Management Using Field Borders and Companion Plants for Organic Farming
Minho Lee,Byungmo Lee,Eun Jung Han,Jong-Ho Park,Sang-Beom Lee,Kwang-Lai Park,Jin-Ho Kim 한국응용곤충학회 2014 한국응용곤충학회 학술대회논문집 Vol.2014 No.04
Materials are limited for pest control and chemical pesticides are prohibited in organic farming. Thus, the concept of pest control may not be effective for pest management in organic farm. As an alternative approach, landscape management is potentially effective and useful approach for preventing pathogen and insect pests in organic farm. It is needed to develop best practices utilizing functional biodiversity for pest management through landscape management. For this purpose, we investigated the effect of companion plants on species richness of insect pests and natural enemies in the field border area and in the crop plants (rice and soybean). In rice paddy fields, Lysimachiae foenum-graecum, Saururus chinensis were selected as effective companion plants on the paddy field levee for conserving Arachnidae as natural enemy and density suppression of insect pest such as Lissorphoptrus oryzophilus, Riptortus clavatus. As a result, damage rate of rice plant by insect pests was significantly lower (2.5%) and yield rate of healthy grains was significantly higher (8.7%) than control. In soybean fields, Marigold plants such as Tagetes patula, T. officinalis, increased Arthropod species richness and ratio of natural enemy group, and decreased ratio of insect pest group. As a result, yield (weight of 100 seeds) of healthy soybean was significantly increased (2.5%) than control. The 2nd infection rate from damage by R. clavatus was significantly lower in the treated plot than that in control. Thus, yield rates of healthy soybean in the control and the companion plant-treated plot were 79.0% and 84.3%, respectively, compared to conventional farming using chemical pesticides. Therefore, use of companion plants on field border was an effective practices for preventing pest insects and increasing yield in organic farming.
Clinical Significance of Preoperative Inflammatory Parameters in Gastric Cancer Patients
Lee, Deuk Young,Hong, Seong Woo,Chang, Yeo Goo,Lee, Woo Yong,Lee, Byungmo The Korean Gastric Cancer Association 2013 Journal of gastric cancer Vol.13 No.2
Purpose: Chronic inflammation induces cancer and cancer induces local tissue damage with systemic inflammation. Therefore, the aim of this study is to investigate the potential relationship between the severity of inflammation and prognosis in cancer patients. Materials and Methods: This study enrolled 220 patients from January 2002 to December 2006 who underwent gastric surgery. We evaluated the relationship between preoperative inflammatory parameters (erythrocyte sedimentation rate, neutrophil-to-lymphocyte ratio) and other clinicopathological factors. Survival outcomes were compared according to the extent of inflammation. Results: Significant elevation of erythrocyte sedimentation rate was related with old age, increased neutrophil-to-lymphocyte ratio, decreased hemoglobin, increased carcinoembryonic antigen, increased tumor size and advanced TNM stage. Neutrophil-to-lymphocyte ratio was significantly correlated with old age, increased erythrocyte sedimentation rate and advanced TNM stage. In the univariate analysis, elevated erythrocyte sedimentation rate and increased neutrophil-to-lymphocyte ratio had significantly poorer survival than those without elevation (all P<0.05). However, the multivariate analysis failed to prove erythrocyte sedimentation rate and neutrophil-tolymphocyte ratio as independent prognostic factors. Conclusions: The elevation of erythrocyte sedimentation rate and neutrophil-to-lymphocyte ratio were correlated with poor prognosis in the univariate analysis and there was a strong correlation between inflammatory parameters (erythrocyte sedimentation rate and neutrophil- to-lymphocyte ratio) and tumor progression. Thus, erythrocyte sedimentation rate and neutrophil-to-lymphocyte ratio are considered useful as follow-up factors.
양병모(Byungmo Yang),이주용(Jooyoung Lee),이정렬(Jung Lyul Lee) 한국연안방재학회 2014 한국연안방재학회지 Vol.1 No.3
The beach safety aspect is getting more relevant, because the drowning risks all over the world are much too high and do not decrease enough. In Korea, most of the beach safety services belong to personnel rescue services. In contrast, Australia and the United Kingdom have developed several practical integrated beach risk management programs and safety systems. ACARA(Australian Coastal Aquatic Risk Assessment) is being developed as a tool to help lifeguard become aware of whether or not beach safety is dangerous for visitor and given a numerical value between 1 and 60, with 60 representing the highest risk and 1 the lowest. For the purposes of this risk assessment the ACARA is used to assign risk scores and rankings. We will implement preferred treatment options or action plan for managing the beach safety. In this study, we have carried out field investigation for beach safety and conducted a beach risk audit on 16 popular beaches along the Korean coast. In addition, we have also conducted their beach risk assessment by using the Australian Coastal Aquatic Risk Assessment tool well-known as typical measures in evaluating the coastal aquatic risk.
Synchronous T-cell lymphoma in patient with colon cancer
Deuk Young Lee,Seong Woo Hong,Yeo Goo Chang,Woo Yong Lee,Byungmo Lee,Yun Kyung Kang 대한외과학회 2012 Annals of Surgical Treatment and Research(ASRT) Vol.83 No.1
Colorectal cancer is the third most common malignancy in Korea. In contrast, pericolic or mesenteric lymphoma is relatively rare. We experienced an extremely rare case of synchronous primary colon cancer in the ascending colon with T-cell lymphoma in the pericolic lymph node. A 79-year-old woman presented with complaints of epigastric and right lower abdominal pain combined with anorexia and nausea. Colonoscopic evaluation and biopsy were performed, and the diagnosis was cecal adenocarcinoma. She underwent right hemicolectomy with lymph node dissection. The pathology report revealed adenocarcinoma in cecum with metastasis to 1 regional lymph node out of 37 lymph nodes. In addition, there was malignant angioimmunoblastic T-cell lymphoma in 1 pericolic lymph node. There was no evidence of lymphoma in ileum, cecum and ascending colon, so the possibility of early phase of lymphoma was suggested.
Carcinosarcoma of the Stomach: A Case Report
Choi, Kyeong Woon,Lee, Woo Yong,Hong, Seong Woo,Chang, Yeo Goo,Lee, Byungmo,Lee, Hye Kyung The Korean Gastric Cancer Association 2013 Journal of gastric cancer Vol.13 No.1
Carcinosarcoma is a rare malignant, biphasic tumor comprised of carcinoma and sarcoma components. In the gastrointestinal tract, carcinosarcoma is most frequently seen in the esophagus and rarely in the stomach. We report a 51-year-old female patient with 2-month-history of epigastric pain and dyspepsia. Endoscopic finding revealed a huge ulcerative lesion that infiltrated from the antrum to the mid-body. An endoscopically taken biopsy revealed poorly differentiated malignant round cell neoplasm. After the palliative subtotal gastrectomy, immunohistochemical studies showed two positive reactions for the epithelial marker and mesenchymal marker. Based on the above findings, the patient was diagnosed with gastric carcinosarcoma. The immunohistochemical analysis is a critical method in making an accurate diagnosis of carcinosarcoma.