id author title date pages extension mime words sentences flesch summary cache txt cord-334188-bggt1i2e Solari, Domenico The nose lid for the endoscopic endonasal procedures during COVID-19 era: technical note 2020-08-11 .txt text/plain 2604 122 44 We describe peculiar surgical technique modifications and the use of an endonasal face mask, i.e., the nose lid, to be applied to the patient during transnasal procedures for skull base pathologies as a further possible COVID-19 mitigation strategy. CONCLUSIONS: Transnasal surgery, transgressing respiratory mucosa, can definitely increase the risk of virus transmission: we find that adopting further precautions, above all limiting high-speed drill can help preventing or at least reducing aerosol/droplets. After usual nasal pyramid sterile draping, an endonasal surgery facial mask, namely a nose lid, is assembled: a sterile non-latex glove layer is used to cover nostril and fixed with adhesive protection film over the nasal bridge; initially, two and then three narrow slit cut are placed over the nares to let instruments enter the nostrils (Figs. ./cache/cord-334188-bggt1i2e.txt ./txt/cord-334188-bggt1i2e.txt