4 research outputs found
ΠΠΠΠΠ’ΠΠΠΠΠΠ ΠΠΠΠΠΠ«Π Π‘ΠΠ‘Π£ΠΠΠ‘Π’Π«Π ΠΠ ΠΠ’ΠΠΠ«: ΠΠ‘Π‘ΠΠΠΠΠΠΠΠΠ IN VIVO
Porcine intrathoracic arteries were devitalized by application of low temperatures and electron beam irradiati- on. The resulted connective tissues vascular scaffolds could be used as the prosthesis of small diameter arteries (β€6 mm). Biocompatibility, immunogenicity degree and thrombogenicity were estimated in the study. Results of electron microscopy are presented. Described treatment reduces an immunogenicity of xenoarteries, their ade- quate functioning during 6 months was shown by means of experimental surgeries.Β ΠΠ»Ρ Π΄Π΅Π²ΠΈΡΠ°Π»ΠΈΠ·Π°ΡΠΈΠΈ Π²Π½ΡΡΡΠ΅Π½Π½ΠΈΡ
Π³ΡΡΠ΄Π½ΡΡ
Π°ΡΡΠ΅ΡΠΈΠΉ ΡΠ²ΠΈΠ½Π΅ΠΉ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π»ΠΈ Π½ΠΈΠ·ΠΊΠΈΠ΅ ΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΡ ΠΈ ΠΎΠ±Π»ΡΡΠ΅Π½ΠΈΠ΅ ΠΏΠΎΡΠΎΠΊΠΎΠΌ ΡΠ»Π΅ΠΊΡΡΠΎΠ½ΠΎΠ². ΠΠΎΠ»ΡΡΠ΅Π½Π½ΡΠ΅ ΡΠΎΠ΅Π΄ΠΈΠ½ΠΈΡΠ΅Π»ΡΠ½ΠΎΡΠΊΠ°Π½Π½ΡΠ΅ ΡΠΎΡΡΠ΄ΠΈΡΡΡΠ΅ ΡΠΊΠ°ΡΡΠΎΠ»Π΄Ρ Π² Π΄Π°Π½Π½ΠΎΠΌ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠΈ Π±ΡΠ»ΠΈ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½Ρ Π² ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅ ΠΏΡΠΎΡΠ΅Π·ΠΎΠ² Π°ΡΡΠ΅ΡΠΈΠΉ ΠΌΠ°Π»ΠΎΠ³ΠΎ Π΄ΠΈΠ°ΠΌΠ΅ΡΡΠ° (β€6 ΠΌΠΌ). Π ΡΠ°Π±ΠΎΡΠ΅ ΠΈΠ·ΡΡΠ°Π»ΠΈ Π±ΠΈΠΎΡΠΎΠ²ΠΌΠ΅- ΡΡΠΈΠΌΠΎΡΡΡ, ΡΡΠ΅ΠΏΠ΅Π½Ρ ΠΈΠΌΠΌΡΠ½ΠΎΠ³Π΅Π½Π½ΠΎΡΡΠΈ, ΡΡΠΎΠΌΠ±ΠΎΠ³Π΅Π½Π½ΠΎΡΡΡ Π΄Π΅Π²ΠΈΡΠ°Π»ΠΈΠ·ΠΈΡΠΎΠ²Π°Π½Π½ΡΡ
Π°ΡΡΠ΅ΡΠΈΠΉ. ΠΡΠΈΠ²Π΅Π΄Π΅Π½Ρ ΡΠ΅Π·ΡΠ»ΡΡΠ°- ΡΡ ΡΠ»Π΅ΠΊΡΡΠΎΠ½Π½ΠΎΠΉ ΠΌΠΈΠΊΡΠΎΡΠΊΠΎΠΏΠΈΠΈ. ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ ΡΠ½ΠΈΠΆΠ΅Π½ΠΈΠ΅ ΠΈΠΌΠΌΡΠ½ΠΎΠ³Π΅Π½Π½ΠΎΡΡΠΈ Π΄Π΅Π²ΠΈΡΠ°Π»ΠΈΠ·ΠΈΡΠΎΠ²Π°Π½Π½ΡΡ
ΠΊΡΠ΅Π½ΠΎΠ°ΡΡΠ΅ΡΠΈΠΉ. ΠΠΊΡΠΏΠ΅ΡΠΈΠΌΠ΅Π½ΡΠ°Π»ΡΠ½ΡΠ΅ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ ΠΏΡΠΎΠ΄Π΅ΠΌΠΎΠ½ΡΡΡΠΈΡΠΎΠ²Π°Π»ΠΈ ΠΈΡ
Π°Π΄Π΅ΠΊΠ²Π°ΡΠ½ΠΎΠ΅ ΡΡΠ½ΠΊΡΠΈΠΎΠ½ΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅ Π² ΡΠ΅ΡΠ΅Π½ΠΈΠ΅ 6 ΠΌΠ΅Ρ.
DEVITALIZED VASCULAR PROSTHESES: IN VIVO STUDY
Porcine intrathoracic arteries were devitalized by application of low temperatures and electron beam irradiati- on. The resulted connective tissues vascular scaffolds could be used as the prosthesis of small diameter arteries (β€6 mm). Biocompatibility, immunogenicity degree and thrombogenicity were estimated in the study. Results of electron microscopy are presented. Described treatment reduces an immunogenicity of xenoarteries, their ade- quate functioning during 6 months was shown by means of experimental surgeries