Patency of the nasofrontal duct during frontal sinusitis.

@article{Andrasson1983PatencyOT,
  title={Patency of the nasofrontal duct during frontal sinusitis.},
  author={L -E. Andr{\'e}asson and A M Elner and Anette Ivarsson and Magnus Jannert},
  journal={Rhinology},
  year={1983},
  volume={21 2},
  pages={143-7}
}
In a series of frontal sinuses trephined due to frontal sinusitis the airway resistance of the nasofrontal duct was tested during the healing period as well as in a long-term follow-up study up to one year. The nasofrontal duct was more resistant to passage for air than for saline during the healing period. A high incidence of recurrences was found in cases… CONTINUE READING