Abstract
Subcutaneous reservoirs are a type of central venous catheter. When using central venous catheters, healthcare workers need to avoid two major risks: clot formation and bacterial infections. To prevent and avoid catheter contamination in both hospitalized patients and outpatients, several strategies have been carried out, such as the so-called ” antibiotic-based catheter lock solution”. Therefore, it has been suggested to implement the use of solutions with antimicrobial agents, to which anticoagulant and/or antibiofilm substances are often added. However, the stability of such solutions needs to be tested by techniques such as high performance liquid chromatography (HPLC), in addition to antimicrobial efficacy testing, in order to establish patient safety. In consequence, this literature review aims to include the most clinically representative research towards these aspects, to demonstrate the behaviour of antibiotic-based catheter lock solutions under different conditions of storage and use. In particular, this review focuses on solutions containing vancomycin. According to the studies consulted, vancomycin solutions with sodium citrate (chelating agent) present the best stability characteristics in terms of physicochemical properties and efficacy.. Keywords: Vancomycin; heparin; sodium citrate; stability; subcutaneous implantable central venous device
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