نتایج جستجو برای: catheters
تعداد نتایج: 12493 فیلتر نتایج به سال:
Background: Epidural catheters are seldom difficult to remove from patients. The breakage of the catheters is uncommon, troublesome and occasionally dangerous. Case presentation: A lumbar epidural catheter inserted in a 17 year-old man for applying anesthesia for internal fixation of femur fracture and subsequent postoperativeepidural analgesia. In the third postoperative day, duri...
To assess the efficacy of antimicrobial-impregnated catheters in preventing catheter-related infections during external ventricular drainage (EVD), we performed a meta-analysis and systematic review. We systematically searched Medline, Embase, and the Cochrane Library. All randomized controlled trials (RCTs) and nonrandomized prospective studies (NPSs) related to antimicrobial-impregnated EVD c...
This study examined the relation among platelet survival, thrombosis, and repeated vessel injury. With the use of 51Cr-labeled platelets, indwelling aortic catheters were shown to reduce platelet survival in rabbits and rats. In rabbits, thrombi were observed mainly at the aortic bifurcation and at the tip of the catheter. The amount of thrombus that formed in rabbits with short and long cathet...
Catheters used in clinical cerebral angiography were examined by scanning electron microscopy for buildup of thrombus. In 21 (67%) of 31 individuals studied with non-heparin-coated catheters, either cell aggregations or thrombi developed compared with seven (28%) of 25 individuals studied with heparin-coated catheters. The median size of the cell aggregations and thrombi on non-heparin- and hep...
During an 8-month period all intravascular catheters were removed by sterile technique upon completion of use and submitted to the hospital microbiology laboratory. All catheters were routinely cultured by the semiquantitative culture technique, with greater than or equal to 15 colonies being defined as a positive result. Of the 687 Teflon catheters cultured, 6.9% were positive by culture, comp...
Central venous catheters inserted for short-term use have become common and important devices in caring for hospitalized patients, especially the critically ill. While they have important advantages (eg, ability to administer large volumes of fluid), short-term vascular catheters are also associated with serious complications, the most common of which is infection. Intravascular catheters are o...
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