نتایج جستجو برای: رزین MUF

تعداد نتایج: 2288  

امیر نوربخش, حبیب الله خادمی اسلامی فرهاد قطب الدین محمد طلایی پور,

در این بررسی شرایط پلیمر شدن و متغیرهای مهم تولید یعنی میزان استفاده از رزین و درجه حرارت پرس بر روی خواص فیزیکی و مکانیکی تخته های ساخته شده از دو نوع رزین UF و MUF مقایسه گردید. رزین UF بصورت خالص (تیمار شاهد) و مخلوط با رزین MUF در سطوح مختلف 25 ، 50 و 75 درصد بر مبنای 10 درصد وزن خشک خرده چوب و دو دمای پرس 170 و 180 درجه سانتیگراد جهت ساخت تخته خرده چوب همسان بکار گرفته شد. سایر عوامل تولید...

Journal: :The journal of extra-corporeal technology 2003
Joseph Deptula Thomas R Karl Dee Ann Griffin Sherrie Fogg

Modified ultrafiltration (MUF) has been widely used for the removal of extracellular water in the immediate postcardiopulmonary bypass (CPB) period. The reported benefits of this technique are improved hematological status and hemodynamic stability post-CPB, as well as a decrease in blood utilization during the operation. MUF has also been associated with improved pulmonary status along with en...

Journal: :The journal of extra-corporeal technology 2008
Thomas G Steffens Takushi Kohmoto Niloo Edwards Richard L Wolman David W Holt

Hemodilution during cardiopulmonary bypass (CPB) continues to be a cause of morbidity associated with coagulation dysfunction, bleeding, and allogeneic blood transfusion. Clot formation and strength have been shown to impact bleeding and transfusions. Strategies to reduce hemodilution may be negated based on the course of the cardiac procedure itself. Modified ultrafiltration (MUF) is commonly ...

Journal: :Interactive cardiovascular and thoracic surgery 2010
Broadus Zane Atkins Daren S Danielson Colleen M Fitzpatrick Patricia Dixon Rebecca P Petersen Andrea J Carpenter

Cardiopulmonary bypass (CPB) stimulates systemic and pulmonary inflammation. Modified ultrafiltration (MUF) mitigates deleterious CPB effects by unclear mechanisms. We evaluated pulmonary inflammation in piglets undergoing CPB followed by MUF. Twenty-four piglets underwent 60 min of hypothermic CPB. MUF subjects (n=12) underwent hemoconcentration postCPB to the target hematocrit. Pulmonary vasc...

Journal: :Journal of Ayub Medical College, Abbottabad : JAMC 2007
Mahrukh Zahoor Safdar Abbass Asif Ali Khan S Afzal Ahmad

BACKGROUND During cardiac surgery, cardiopulmonary bypass (CPB) leads to haemodilutional anaemia and activation of inflammatory mediators, affecting haemostasis. Modified Ultrafiltration (MUF) is being increasingly favoured for haemoconcentration without blood transfusion and reducing post operative bleeding. METHODS Aim of this study was to record the impact of modified ultrafiltration on ha...

Journal: :The journal of extra-corporeal technology 2001
Z D Ming W Wei C Hong Z Wei D W Xiang

This study evaluates the effect of balanced ultrafiltration, modified ultrafiltration, and balanced ultrafiltration with modified ultrafiltration on inflammatory mediators in children's open-heart surgery. Eighty children with congenital heart disease were randomly divided into four groups: control group (C group); balanced ultrafiltration group (BUF group); modified ultrafiltration group (MUF ...

Journal: :The journal of extra-corporeal technology 2002
Joseph Deptula J William Gaynor James Groneck Tami Owens Kellie Rogers Dee Ann Griffin Thomas Spray

Modified ultrafiltration (MUF) has been described and utilized for the removal of extracellular water in the immediate postcardiopulmonary bypass (CPB) period. This technique has been associated with improved hematological status and hemodynamic stability post cardiopulmonary bypass. Hypothermia during the MUF period has been described as a complication associated with this technique. Decreased...

Journal: :BioTechniques 1999
P Diaz N Prim F I Javier Pastor

Lipases and esterases (glycerol ester hydrolases, E.C. 3.1.1.-) are enzymes acting on the carboxyl ester bonds present in acylglycerols. They have been recognized as useful biocatalysts because of their wide-ranging versatility in industrial applications (2,5). However, the physical properties of lipids have caused a great difficulty in studying lipolytic enzymes (4). Traditionally, lipases hav...

Journal: :Revista brasileira de cirurgia cardiovascular : orgao oficial da Sociedade Brasileira de Cirurgia Cardiovascular 2010
Anali Galluce Torina Orlando Petrucci Pedro Paulo Martins de Oliveira Elaine Soraya Barbosa de Oliveira Severino Karlos Alexandre de Souza Vilarinho Carlos Fernando Ramos Lavagnoli Maria Heloisa Blotta Reinaldo Wilson Vieira

OBJECTIVE The inflammatory response after cardiac surgery increases vascular permeability leading to higher mortality and morbidity in the post operative time. The modified ultrafiltration (MUF) had shown benefits on respiratory, and hemodynamic in pediatric patients. This approach in adults is not well established yet. We hypothesize that modified ultrafiltration may improve respiratory, hemod...

2015
Akram Allam Wael Hassanein Walid Abu Arab Ahmed Othman Mohsen AbdelAzeem

Background: Modified ultra filtration (MUF) has become widely used in pediatric cardiac surgery. MUF is capable to remove large amounts of fluid with significant improvement in the post-cardiopulmonary bypass status and laboratory parameters of the patients. There is; however; contradicting reports in the overall clinical outcome benefit following MUF. Methods: Thirty patients weighing less tha...

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