FROM OUR EXPERTS
White blood cells are produced by your bone marrow to help your body fight infection. If you have fewer than normal white blood cells, you have a higher risk of getting an infection.
Breast cancer treatments that can lower your white blood cell count:
Herceptin (chemical name: trastuzumab)
Tykerb (chemical name: lapatanib)
Avastin (chemical name: bevacizumab)
If you get an infection because you have a low white blood cell count, your symptoms may include:
fever (call your doctor immediately if your fever is higher than 101.5 degrees F)
sore throat or cough
shortness of breath
vaginal discharge, itching, or burning during urination
an injury site becomes red, swollen, or warm
Boosting your white blood cell count
If you have a low white blood cell count, your doctor can prescribe medicines to help stimulate your immune system after each round of chemotherapy. Your doctor also may decide to stop you...
What the risks are
There are no risks.
The following may create a false positive result:
Vaginal secretions (such as blood or heavy mucus discharge)
Trichomonas infection (such as trichomoniasis)
False negative tests can be caused by:
High levels of protein
High levels of vitamin C
How can the doctor tell if a total knee replacement (TKR) is infected? The patient history, an exam, and lab results are helpful. Since lab studies are so important, researchers want to know if the lab values for infection are the same in a knee with an implant compared to a knee without an implant.Fluid from the knee can be removed and checked for infection. The number of white blood cells (WBCs) and neutrophils are counted. Neutrophils are the WBCs that destroy bacteria in the body. The American College of Rheumatology sets the levels for bacterial infection. They say more than 50,000 WBCs and more than 75 percent neutrophils suggest infection. Normal joint fluid has less than 200 WBCs and fewer than 25 percent neutrophils.Should these same values be used if a knee with an implant is infected? That's what these doctors tried to find out. They looked at the records of 440 patients with TKRs. Eighty-six had WBCs measured before their TKR was revised. There were 50 knees free of infect...
You should know
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