2. Infection: unfortunately all to common. Anything foreign that is placed in the body has a chance of becoming infected-the bigger the object the higher the chance that bacteria have colonized it. Shunts arebig. Rates of 10-15% are not uncommon. The patients at the high end usually are sicker, have multiple other anomalies/issues, have had multiple other procedures, etc.. Infections are classified as early (within 6 months) or late. Early infections usually present within the first several weeks and are usually due to "skin-flora", ie the bacteria of the patients own skin. This does not necessarily mean that there was a problem with the shunt surgery. generic viagra online 自動車保険見積もり Late infections are usually due to bacteria that found their way into the blood and "seeded-out" on to the shunt, meningitis, or are really slow infections from the time of insertion. A lot of infected shunts still work- a number present with shunt failure. Shunt failure is reasonable easy to diagnosis, but shunt infections are much more difficult. The kids are sick, but kids get sick all the time, the art is determining if this illness is shunt related. White blood cell counts, cat scans, or even csf evaluation/cultures don't always give a clear picture, so we look for any other cause of illness- ear infection, tonsillitis, flu, abdominal issues (diarrhea exonerates a shunt), etc.. Failing that the shunt starts to look like the culprit. Infections generally mean that the shunt will need to be removed-rarely only a portion, but usually the entire system. A ventriculostomy ( a tube that goes into the brains ventricle and drains the csf into a bag) is usually needed while antibiotics are given to cure the body of the infection. 3. Overshunting-roughly 10% of all patients with a ventricular shunt will ultimately develop signs/symptoms of overshunting. Basically the shunt drains "to-well" which leads to positional headaches (worse w.
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