This paper is focused on the problem of achieving post-operative hemostasis in patients undergoing endonasal surgical intervention. Analysis of 156 tamponades of the nasal cavity with three types of silicone hydrotampons gives evidence that the use of two separate balloons within a single block of an original sectional hydrotampon allows for differential mechanical impact on anteromedial and posterior nasal cavities to avoid unnecessary compression of the mucous membrane. Results of manometric measurements suggest that a combination of mechanical arrest of post-operative hemorrhage and selective hyperthermia in the choanal compartment of the hydrotampon permits to reduce tampon pressure on the mucous membrane in anteromedial and posterior nasal cavities by 6.0-9.3% and 10.3-24.7% respectively.
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