Chronic Prostatitis and Semen Analysis: Bacterial Findings - Urology

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Chronic prostatitis and semen analysis?


Hello, Doctor.
Due to frequent urination, prolonged waiting time to urinate, and lower abdominal pain after masturbation around mid-September, I sought medical attention.
Urinalysis, uroflowmetry, and abdominal ultrasound were performed, all of which returned normal results, and there was no significant enlargement of the prostate (ultrasound result was approximately 18g).
I was diagnosed with chronic non-bacterial prostatitis (chronic pelvic pain syndrome) and prescribed ciprofloxacin 500mg and tamsulosin 0.2mg (medications were prescribed multiple times over the course of a month).
I then sought low-energy extracorporeal shock wave therapy and magnetic wave chair treatment at two different medical facilities.
The former performed a semen analysis (sample collected on 9/24, results were normal with no signs of leukocyte inflammation), while the latter conducted a semen bacterial culture (sample collected on 11/2, results indicated "Staphylococcus epidermidis," and I am currently waiting for my next appointment).

Here are my questions:
1.
Regarding the latter finding of Staphylococcus epidermidis, is it possible that contamination occurred due to improper cleaning before the sample collection (only disinfecting my hands, not the glans, and the glans touching the inner wall of the sterile cup during ejaculation)?
2.
Staphylococcus epidermidis is a bacterium that is commonly found on the surface of the human body and is usually non-pathogenic, but it can also be pathogenic.
Should I be concerned about the presence of this bacterium in the semen culture?
3.
If it is confirmed that Staphylococcus epidermidis requires treatment, since I completed the ciprofloxacin course one month ago (from mid-September to mid-October), is there a risk of developing antibiotic resistance? Would this result in the need to switch to a more potent antibiotic for treatment?

Niming, 20~29 year old female. Ask Date: 2021/11/06

Dr. Du Shixi reply Urology


Hello: The information provided here is for reference only and cannot replace a physician's examination, testing, or diagnosis.

1.
Is it possible that the presence of Staphylococcus epidermidis was due to improper cleaning before the sample collection (only disinfecting the hands, not disinfecting the glans, and the glans touching the inner wall of the sterile cup during ejaculation), leading to contamination? --> Yes, if proper precautions are not taken, contamination of the sample is possible.
2.
According to research, Staphylococcus epidermidis is a bacterium commonly found on the surface of the human body, usually non-pathogenic, but it can have pathogenic potential.
Should there be any concern if this bacterium is found in a semen culture? --> It is advisable to repeat the test.
3.
If it is confirmed that Staphylococcus epidermidis requires treatment, and considering that ciprofloxacin was prescribed and completed one month ago (the treatment period was from mid-September to mid-October), is there a risk of developing antibiotic resistance, necessitating a switch to a more potent antibiotic for treatment? --> One month of treatment is sufficient; ciprofloxacin is one of the most commonly used antibiotics and is considered a second-line treatment.
If a change in medication is necessary, it should be based on culture results and the drug's effectiveness against the prostate.
Wishing you good health.

Reply Date: 2021/11/06

More Info


Chronic prostatitis, particularly the non-bacterial type, can be a complex condition to diagnose and manage. Your symptoms of frequent urination, discomfort in the lower abdomen, and the findings from your semen analysis and bacterial culture are important pieces of the puzzle. Let's address your questions one by one.

1. Contamination Concerns with Coagulase-Negative Staphylococci (CNS): The presence of Staphylococcus epidermidis, a type of coagulase-negative staphylococcus, in your semen culture could indeed be a result of contamination. This bacterium is commonly found on the skin and mucous membranes and is often considered a normal inhabitant of the human body. If proper sterile techniques were not followed during the collection of the sample, such as not adequately cleaning the glans penis or if the sample container was contaminated, it could lead to a false positive result. Therefore, it is essential to ensure that the collection process is as sterile as possible to avoid such contamination.

2. Pathogenic Potential of Staphylococcus epidermidis: While Staphylococcus epidermidis is typically non-pathogenic, it can occasionally cause infections, particularly in immunocompromised individuals or in cases where it enters the bloodstream or other normally sterile sites. In the context of your semen analysis, if there are no other signs of infection (such as elevated white blood cells or other inflammatory markers), the presence of this bacterium may not be clinically significant. However, it is crucial to correlate this finding with your symptoms and clinical history. If you are experiencing persistent symptoms, further evaluation may be warranted.

3. Antibiotic Resistance and Treatment Considerations: Regarding your concern about antibiotic resistance, it is essential to note that the risk of developing resistance typically increases with prolonged or inappropriate use of antibiotics. Since you completed a one-month course of ciprofloxacin, the likelihood of resistance developing in Staphylococcus epidermidis is relatively low, especially if the organism was not present during your previous treatments. However, if it is determined that this organism is contributing to your symptoms, your healthcare provider may consider performing an antibiotic susceptibility test to determine the most effective treatment. If resistance is a concern, they may opt for a different class of antibiotics based on the culture results.

In summary, the findings from your semen analysis and the presence of Staphylococcus epidermidis should be interpreted in the context of your overall clinical picture. If you continue to experience symptoms, it may be beneficial to discuss with your healthcare provider the possibility of repeating the culture with stricter sterile techniques or considering additional diagnostic tests, such as a prostate massage and culture, to evaluate for potential bacterial prostatitis. Additionally, lifestyle modifications, pelvic floor exercises, and possibly referral to a specialist in chronic pelvic pain may also be beneficial in managing your symptoms. Always consult with your healthcare provider before making any changes to your treatment plan.

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