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Ares™ Antibiotic-Impregnated Catheters help reduce bacterial colonization and can be part of any Medtronic shunt system.
Ares Antibiotic-Impregnated Catheters
The Ares™ Antibiotic-Impregnated Catheters are designed to reduce the colonization of gram-positive bacteria. Laboratory tests show these antibiotic-impregnated catheters provide antimicrobial activity for at least the first 31 days, the time when patients are most susceptible to shunt infections.1-4
For added convenience, Ares Antibiotic-Impregnated Catheters have the same diameters as our standard catheters. This enables seamless connection to all StrataTM, DeltaTM, and PS MedicalTM shunt valves, so you don’t have to mix different shunt brands to get the best of both worlds.
Shunt obstruction may occur in any of the components of the shunt system. The ventricular catheter may become occluded by particulate matter such as blood clots or brain fragments, by investment of the catheter tip in choroid plexus, by embedding of the catheter in brain tissue, or by coaptation of the ventricular walls in the presence of overdrainage ("slit ventricles"). It is important to review the product labeling for complete safety information, potential complications, contraindications, and a complete explanation of warnings and precautions.
Research shows that there is an increased risk of shunt valve infection in younger patients, especially premature infants, patients who have had a previous shunt infection, and patients who have been on an external drainage system. Shunt infections are associated with much greater morbidity for patients, as well as increased costs to healthcare providers and society. Complications include additional surgeries and lengthened hospital stays, developmental disabilities and loss of IQ, and death.
How Ares Antibiotic-Impregnated Catheters Work
The Ares™ ventricular catheter comes packaged with a stainless steel stylet and a patented right-angle clip that provides a non-kinking bend in the catheter at the burr hole site. Once the Ares ventricular catheter is implanted, the stylet is removed, and the catheter can be attached to the shunt valve using a catheter connector and an encircling ligature. There are a variety of catheter connectors for the surgeon to choose from.
The Ares peritoneal catheter can be attached to the distal (far) end of the hydrocephalus valve, indicating the direction of CSF flow away from the brain to another CSF diversion site that the surgeon chooses.
The length of the Ares peritoneal catheter is sufficient for placement in adults or it may be trimmed to the appropriate length by the surgeon. A catheter passer is required to make a subcutaneous tunnel for the peritoneal catheter to fit through.
Ares Ventricular Catheters and Peritoneal Catheters can be used with any Strata®, Delta®, or PS Medical® valve as part of a complete shunt system.
A more complete explanation of pre-operative handling and assembly methods for Medtronic Ares Antibiotic-Impregnated Catheters is listed in the Instructions for Use.
The most common complications associated with this product are due to obstruction of the system, infection, and mechanical malfunction. Catheters may become kinked, disconnected, or blocked. It is important to review the Instructions for Usefor complete safety information, potential complications, contraindications, and a complete explanation of warnings and precautions.
The Risks of Shunt Infection
Research shows that there is an increased risk of shunt valve infection in:
Approximately 40% of all shunts fail within the first 12 months following implantation.8 Infections are one of the more serious complications related to shunting, with incidence rates averaging 8-10%, and up to 20% among young children.1,2,5,8,9
Shunt infections are associated with much greater morbidity for patients, as well as increased costs to healthcare providers and society.1-7 Complications include: