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Fatima Cabral, Colton M Miller, Katrina M Kudrna, Blake E Hass, Jocelyn G Daubendiek, Brianna M Kellar, Edward N Harris
This protocol demonstrates a method for obtaining high yield and viability for mouse hepatocytes and sinusoidal endothelial cells (SECs) suitable for culturing or for obtaining cell lysates. In this protocol, the portal vein is used as the site for catheterization, rather than the vena cava, as this limits contamination of other possible cell types in the final liver preparation. No special instrumentation is required throughout the procedure. A water bath is used as a source of heat to maintain the temperature of all the buffers and solutions...
February 12, 2018: Journal of Visualized Experiments: JoVE
Miki Dalmau-Pastor, Jordi Vega, Francesc Malagelada, Fernando Peña, Maria Cristina Manzanares-Céspedes
The growing popularity of minimally invasive surgical (MIS) procedures makes it necessary that new anatomical references arise, to aid in tridimensional orientation and localization of structures that are not directly visible to the surgeon. This is especially critical for structures at risk like nerves or blood vessels. Optimization of the handling of cadaveric material and the combination of multiple techniques compensate for the limited availability of adequate specimens. The described protocol combines anatomical plane-by-plane dissection and sectional anatomy of fresh-frozen specimens to help localize relevant structures, such as nerves, arteries, veins and to correctly position the portals during MIS procedures...
February 17, 2018: Journal of Visualized Experiments: JoVE
Takuma Iguchi, Noriyo Niino, Satoshi Tamai, Ken Sakurai, Kazuhiko Mori
RT-qPCR is one of the most common methods to assess individual target miRNAs. MiRNAs levels are generally measured relative to a reference sample. This approach is appropriate for examining physiological changes in target gene expression levels. However, absolute quantification using better statistical analysis is preferable for a comprehensive assessment of gene expression levels. Absolute quantification is still not in common use. This report describes a protocol for measuring the absolute levels of plasma miRNA, using RT-qPCR with or without pre-amplification...
February 12, 2018: Journal of Visualized Experiments: JoVE
Şifa Turan, Özhan M Turan
The ductus venosus is a fetal vessel that functions importantly in the transfer of oxygen-and nutrient-rich blood from the umbilical vein to vital organs. Its control under active regulation and its anatomy result in a flow-velocity profile that is typically forward throughout the cardiac cycle. This forward cardiac function reflects afterload, cardiac contractility, compliance, and vascular volume changes. Ductus venosus assessment gives valuable information under different fetal conditions. For example, during first trimester screening, an abnormal ductus venosus measurement changes the screening result...
March 15, 2018: Balkan Medical Journal
Miltos K Lazarides, Christos Argyriou, Andreas Koutsoumpelis, Efstratios I Georgakarakos, George S Georgiadis
Thigh arteriovenous grafts are required in a number of patients with exhausted upper extremity veins and comprise 1%-5% of the total access procedures performed. Alternative autogenous lower extremity options are the rarely used sapheno-tibial arteriovenous fistulae, the saphenous vein transpositions, and the femoral vein transpositions. The latter have proven to be the most durable lower limb access procedures, with low infection rates and their primary patency rates ranged from 74% up to 87% at 2 years...
March 1, 2018: Journal of Vascular Access
Mariusz Kusztal, Krzysztof Nowak
For arrhythmia treatment or sudden cardiac death prevention in hemodialysis patients, there is a frequent need for placement of a cardiac implantable electronic device (pacemaker, implantable cardioverter defibrillator, or cardiac resynchronization device). Leads from a cardiac implantable electronic device can cause central vein stenosis and carry the risk of tricuspid regurgitation or contribute to infective endocarditis. In patients with end-stage kidney disease requiring vascular access and cardiac implantable electronic device, the best strategy is to create an arteriovenous fistula on the contralateral upper limb for a cardiac implantable electronic device and avoidance of central vein catheter...
March 1, 2018: Journal of Vascular Access
Wen-Wen Sun, Jin-Xia Dou, Lin Zhang, Li-Kui Qiao, Na Shen, Wen-Yuan Gao
To compare the therapeutic effects of different treatment methods on the nude mice bearing colon cancer HT29 cells. BalB/C nude mice colon cancer stem cell models were established and randomly divided into the following four groups, with 8 nude mice in each group: blank control group, DC-CIK group, Huaier group, and Huaier combined with DC-CIK group (combined treatment group). The mice in DC-CIK group and combined treatment group received 1×10⁶ DC-CIK cells treatment by tail vein injectionafter the tumor stem cells were inoculated for 4 days,2 times a week for three weeks...
January 2018: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
Jia-Xuan Xu, Jun Dong, Hong Ren, Xiao-Jie Chen, Yong Yang, Ren-Xiong Chen, Guo-Dong Wang, Hong-Zhi Wang
PURPOSE: The occurrence of venous thromboembolism (VTE) in Chinese cancer patients admitted to intensive care unit (ICU) for postoperative care is poorly characterized. This study was designed to investigate the incidence of VTE in this polulation and to evaluate the utility of the Caprini score in risk stratification. METHODS: We conducted a retrospective cohort study of 2127 consecutive adult patients admitted to a 10-bed surgical ICU in a tertiary care academic hospital during a 4-year period (January 1,2013 to December 31,2016)...
January 2018: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
Marcin Zieliński, Tomasz Nabialek, Juliusz Pankowski
Background: The aim of the study is a description of surgical technique of uniportal transcervical video-assisted thoracoscopic surgery (VATS) for pulmonary lobectomy. Methods: We used a collar neck incision (transcervical) of an average length 5-8 centimeters. The manubrium of the sternum is elevated with a hook connected to the Zakopane II frame (Aesculap-Chifa, B. Braun, Nowy Tomyśl, Poland). The first step is a transcervical extended mediastinal lymphadenectomy (TEMLA), for improved staging and possible improved survival...
2018: Journal of Visualized Surgery
Yusuke Tsuyuguchi, Tomoyuki Nakasa, Masakazu Ishikawa, Yasunari Ikuta, Mikiya Sawa, Masahiro Yoshikawa, Nobuo Adachi
Ankle arthroscopy is a minimally invasive technique for ankle joint treatment. However, injury to the intermediate dorsal cutaneous nerve (IDCN) and the medial dorsal cutaneous nerve (MDCN) is a common complication during anterior portal placement. To prevent injuries, methods such as palpating the nerves topographically and marking the nerves by transilluminating the skin with an arthroscope have been proposed. Easier and more definitive methods of identifying the IDCN and MDCN should result in a reduction of complications...
February 2018: Arthroscopy Techniques
Luciano Tarantino, Aurelio Nasto, Giuseppina Busto, Vincenzo Iovino, Raffaele Fristachi, Sara Bortone
Introduction: Solid pseudopapillary Carcinoma (SPC) is a rare pancreatic Tumor with variable, usually low, malignancy potential. Howewer, several SPC are associated with aggressive behavior, local vascular infiltration, organ invasion, distant metastasis, and can be unresectable. Irreversible Electroporation (IRE) is an emerging non-thermal ablation technique for the treatment of locally advanced pancreatic carcinoma. We report the results of four year disease-free follow-up in a case of locally advanced unresectable SPC treated with IRE...
April 2018: Annals of Medicine and Surgery
Yajuan Lv, Yong Hou, Bo Pan, Yuwan Ma, Paiyun Li, Lili Yu, Deguo Xu, Juanjuan Song, Heli Shang, Hongyan Wang, Yuan Tian
The risk of venous thrombosis and mortality associated with central catheter (PICC/CICC) for malignant tumor patients is not definite. So, we carried out a systematic review and meta-analysis to evaluate it. Among patients with comparing PICC with CICC, odds ratio (OR) or risk ratio (RR) was calculated with a random effect model meta-analysis. The result of the stratification analysis of 7 studies (PICC vs CICC) supported the theory that CICCs were associated with a decrease in the odds ratio of thrombosis compared with PICCs...
February 23, 2018: Oncotarget
Luis German Pulgarin Ricardo, Sebastián Isaza Zapata, Ricardo Uribe Gonzalez
Nutcracker syndrome is a condition where there is compression of the left renal vein between the aorta and the superior mesenteric artery causing symptoms. Here, we describe the case of a female patient who had symptoms secondary to the compression of a left inferior vena cava between the aorta and the superior mesenteric artery causing a nutcracker syndrome. We will review the etiology, embryology, and imaging of the inferior vena cava and nutcracker syndrome.
February 2018: Radiology Case Reports
Garrison Glavich, Jeffrey Gourley, Victor Fong
Paget-Schroetter syndrome, also known as effort thrombosis, is a relatively rare disease process characterized by primary thrombosis to the subclavian and axillary veins. It usually presents in younger individuals, commonly affecting the dominant side upper extremity, and the diagnosis relies on a combination of imaging, laboratory tests, and clinical presentation. Upper extremity deep vein thrombosis can also lead to pulmonary emboli, as in this case of a 20-year-old female discovered to have right sided Paget-Schroetter syndrome...
February 2018: Radiology Case Reports
Chao Zeng, Ming Wen, Xiaomei Liu
Although it is established as a marker of cancer-associated fibroblasts, the expression of fibroblast activation protein (FAP) is not restricted to stromal cells; its expression in multiple types of tumor cell and its pro-tumor functions have been reported. However, the role of FAP in angiogenesis in osteosarcoma remains uncharacterized. In the present study, it was identified that the mRNA and protein expression levels of FAP and vascular endothelial growth factor-A (VEGF-A) corresponded to each other in MG63, U2-OS and HOS osteosarcoma cells...
April 2018: Oncology Letters
Yongrui Liu
Objective : To investigate the clinical effect of fast track surgery (FTS) in perioperative nursing of colorectal cancer surgery. Background : In recent years, many complicated surgery began to develop in the direction of low invasion and short hospital time, which provides an unprecedented opportunity for the development of fast track surgery (FTS). Methods : According to different nursing measures, 156 cases of colorectal cancer patients treated in our hospital were divided into FTS nursing group (86 cases) and traditional nursing group (70 cases)...
December 2017: Saudi Journal of Biological Sciences
Alexander Kulik, Amy M Abreu, Viviana Boronat, Nicholas T Kouchoukos, Marc Ruel
RATIONALE: Saphenous vein graft disease remains a major limitation of coronary artery bypass graft surgery (CABG). Up to 20% of vein grafts will occlude within the first year after CABG despite standard aspirin antiplatelet therapy. However, more potent postoperative platelet inhibition with ticagrelor may improve graft patency. The goal of this study will be to evaluate the efficacy of ticagrelor, as compared to aspirin, for the prevention of saphenous vein graft occlusion following CABG...
March 15, 2018: Contemporary Clinical Trials
John L Schomburg, Suprita Krishna, Katherine J Cotter, Ayman Soubra, Amrita Rao, Badrinath Konety
OBJECTIVES: To determine the pre-operative incidence of subclinical lower-extremity deep vein thrombosis (DVT), as well as to evaluate the utility of preoperative DVT screening in bladder cancer patients prior to undergoing radical cystectomy. MATERIALS AND METHODS: Beginning in 2014, we prospectively instituted a policy of obtaining a screening lower-extremity duplex ultrasound on all patients within 7 days prior to undergoing radical cystectomy. We reviewed the electronic medical records of all patients at our institution who underwent radical cystectomy for bladder cancer from January 2012 through December 2015...
March 15, 2018: Urology
Alexandra Shadrina, Yakov Tsepilov, Ekaterina Sokolova, Mariya Smetanina, Elena Voronina, Eugene Pakhomov, Kseniya Sevost'ianova, Andrey Shevela, Evgeny Ilyukhin, Evgeny Seliverstov, Igor Zolotukhin, Maxim Filipenko
Heredity is a well-known risk factor for varicose veins, but genetic basis of this condition remains poorly studied. Our aim was to conduct a large-scale genetic association study for primary varicose veins (PVVs) in the population of ethnic Russians. An initial scan using Illumina HumanExome-12 v1.0 BeadChip was performed for 273 patients with PVVs and 250 controls without a history of chronic venous disease and other venous disorders. After quality control and removal of monomorphic markers, 25,424 common and 48,232 rare variants were included in the analysis...
March 15, 2018: Gene
Shuang Chen, Zi-Qing Ye, Zhi-Wen Li, Chun-Xiao Zhao, Guang-Jin Chen, Jun-Zhuo Zhou, Chuan Wang, Rui-Li Huang, Yong-Dun Hong
ETHNOPHARMACOLOGICAL RELEVANCE: For many years, our hospital has been successfully using the empirical Wenyang Huoxue Jiedu formula (WHJF) to treat coronary heart disease. Modern theories of acute coronary syndrome mainly focus on rupture of thin-cap fibroatheromas (TCFAs), which is closely related to the release of vascular endothelial growth factor and its receptor (VEGF/VEGFR). AIM OF STUDY: We investigated the effects of WHJF on the formation of TCFA plaques and the potential mechanism (VEGF/VEGFR signaling pathway)...
March 15, 2018: Journal of Ethnopharmacology
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