A false-positive PSA test results occurs with an elevated PSA level without the presence of cancer and creates anxiety for the man and his family along with infections, pain, and bleedingthat occurs with the follow-up exams that are ordered with an elevated PSA (NIC. 2017). When there is a false-negative, as a result of a low level of PSA, the man can actually have cancer and not be received the required treatment (NIC. 2017). There are many factors that affect the resultsof the PSA test at times. These are listed below (J. Black. 2018):Age: PSA increases with age as the prostate leaks more PSA into the blood stream.Benign prostate hypertension: increases with age.
Prostatitis: increases the PSA levels.Urinary tract infectionsProstate procedures: surgery or biopsies on the prostate increases the PSA. SexProstate stimulationObesity: can lower the PSA level.Medications can reduce the PSA level.Physical activity, such as bike riding, can cause a PSA spike due to the seat pressing on the prostate. As a health care provider, I would at least recommend avoiding sex and physical activity for at least 24 hours prior to the PSA exam. This would be ruled out as a possible cause of inaccurate results of the PSA test. It is important to take every precaution to ensure accuracy of the PSA test. ReferencesBlack, Jim (2018). PSA lab test results: These 10 factors can affect your numbers. University Health News. -can-affect-your-numbers/. Farrari, Nancy (2011). Is PSA reliable? Harvard Health Publishing. . National Cancer Institute (2017). Prostate-specific antigen (PSA) test. .
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