Effect of Face #Masks on Gas Exchange in Healthy Persons and Patients with #COPD

..In order to demonstrate the changes in end-tidal CO2 (ETCO2) and oxygen saturation (SpO2) before and after wearing a surgical mask, we used a convenience sample of 15 housestaff physicians without lung conditions (aged 31.1  1.9 years, 60% male) and 15 veterans with severe COPD (aged 71.6  8.7 years, FEV1 44.0  22.2%, 100% male). The patients needed to have a post-bronchodilator FEV1 … Continue reading Effect of Face #Masks on Gas Exchange in Healthy Persons and Patients with #COPD

#HPV Vaccination and the Risk of Invasive #Cervical Cancer

The efficacy and effectiveness of the quadrivalent human papillomavirus (HPV) vaccine in preventing high-grade cervical lesions have been shown. However, data to inform the relationship between quadrivalent HPV vaccination and the subsequent risk of invasive cervical cancer are lacking.. ..During the study period, we evaluated girls and women for cervical cancer until their 31st birthday. Cervical cancer was diagnosed in 19 women who had received … Continue reading #HPV Vaccination and the Risk of Invasive #Cervical Cancer