Papanicolaou smears and cervical inflammatory cytokine responses
2007

Impact of Pap Smears on Cervical Inflammation

Sample size: 80 publication 10 minutes Evidence: moderate

Author Information

Author(s): Jo-Ann S Passmore, Chelsea Morroni, Samual Shapiro, Anna-Lise Williamson, Margaret Hoffman

Primary Institution: University of Cape Town

Hypothesis

The act of performing a Pap smear is associated with inflammatory responses at the cervix, which may initiate immune responses against HPV.

Conclusion

Pap smears significantly increase levels of inflammatory cytokines IL-12, TNF-α, and IL-10 at the cervix.

Supporting Evidence

  • Women who received a Pap smear showed significantly increased levels of IL-12 p70 and IL-10.
  • Statistically significant differences in cytokine levels were observed between the intervention and control groups.
  • Previous studies suggest that inflammation may help protect against HPV infection.

Takeaway

Getting a Pap smear can help your body fight off infections like HPV by making your immune system stronger.

Methodology

A randomized controlled trial comparing cervicovaginal lavages from women who received a Pap smear to those who did not.

Potential Biases

Potential selection bias due to recruitment from a single health clinic.

Limitations

The study was limited to a specific age group and geographic location, which may affect generalizability.

Participant Demographics

Women aged 18 to 29 years from the University of Cape Town Student Health Clinic.

Statistical Information

P-Value

p = 0.0003 for IL-10; p = 0.0016 for IL-12 p70; p = 0.025 for TNF-α

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1476-9255-4-8

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