1 research outputs found
ΠΡΡΠ΅ΡΠ°ΠΊΡΡ ΠΏΡΠΈ ΠΌΠ°Π³Π½ΠΈΡΠ½ΠΎ-ΡΠ΅Π·ΠΎΠ½Π°Π½ΡΠ½ΠΎΠΉ ΡΠΎΠΌΠΎΠ³ΡΠ°ΡΠΈΠΈ ΡΠ΅ΡΠ΄ΡΠ°: ΡΠΏΠΎΡΠΎΠ±Ρ ΡΡΡΡΠ°Π½Π΅Π½ΠΈΡ ΠΈ ΠΏΡΠ°Π²ΠΈΠ»ΡΠ½ΠΎΠΉ ΠΈΠ½ΡΠ΅ΡΠΏΡΠ΅ΡΠ°ΡΠΈΠΈ
The aim of the study was to describe the cardiac magnetic resonance imaging artifacts and to develop ways to eliminate or interpret them. Materials and methods. 1,5 T contrast-enhanced cardiac magnetic resonance imaging was performed 156 patients with coronary artery disease. Technique of cardiac MRI included an assessment of left ventricular contractility, visualization of edema and acute myocardial damage, assessment of perfusion and myocardial scarring. Results. Various artifacts during cardiac MRI with contrast enhancement were visualized in almost every patient. The quality of cardiac magnetic resonance imaging depended on heart rate and blood flow in the cavities. In addition there were artifacts from the coronary stents, vascular clips, sternum's cerclage, as well as overlaying other organs and structures. During the study, were frequently observed βhyperintense endocardiumβ and βdark rimβ artifacts which simulated endocardial edema and myocardial perfusion defect. Conclusion. The study found that despite the presence of certain artifacts that can affect the quality of the images and their analysis, there are effective ways to eliminate or reduce them. βHyperintense endocardiumβ and βdark rimβ artifacts can be distinguished from true pathology.Π¦Π΅Π»Ρ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ: ΠΎΠΏΠΈΡΠ°Π½ΠΈΠ΅ Π°ΡΡΠ΅ΡΠ°ΠΊΡΠΎΠ² ΠΏΡΠΈ ΠΠ Π’ ΡΠ΅ΡΠ΄ΡΠ° ΠΈ ΡΠ°Π·ΡΠ°Π±ΠΎΡΠΊΠ° ΡΠΏΠΎΡΠΎΠ±ΠΎΠ² ΠΈΡ
ΡΡΡΡΠ°Π½Π΅Π½ΠΈΡ ΠΈΠ»ΠΈ ΠΏΡΠ°Π²ΠΈΠ»ΡΠ½ΠΎΠΉ ΠΈΠ½ΡΠ΅ΡΠΏΡΠ΅ΡΠ°ΡΠΈΠΈ. ΠΠ°ΡΠ΅ΡΠΈΠ°Π» ΠΈ ΠΌΠ΅ΡΠΎΠ΄Ρ. ΠΠ° ΠΌΠ°Π³Π½ΠΈΡΠ½ΠΎ-ΡΠ΅Π·ΠΎΠ½Π°Π½ΡΠ½ΠΎΠΌ ΡΠΎΠΌΠΎΠ³ΡΠ°ΡΠ΅ 1,5 Π’Π» ΠΎΠ±ΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΎ 156 ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² Ρ ΠΈΡΠ΅ΠΌΠΈΡΠ΅ΡΠΊΠΎΠΉ Π±ΠΎΠ»Π΅Π·Π½ΡΡ ΡΠ΅ΡΠ΄ΡΠ°. ΠΠ΅ΡΠΎΠ΄ΠΈΠΊΠ° ΠΠ Π’ ΡΠ΅ΡΠ΄ΡΠ° Ρ ΠΊΠΎΠ½ΡΡΠ°ΡΡΠ½ΡΠΌ ΡΡΠΈΠ»Π΅Π½ΠΈΠ΅ΠΌ Π²ΠΊΠ»ΡΡΠ°Π»Π° ΠΎΡΠ΅Π½ΠΊΡ ΡΠΎΠΊΡΠ°ΡΠΈΡΠ΅Π»ΡΠ½ΠΎΠΉ ΡΡΠ½ΠΊΡΠΈΠΈ Π»Π΅Π²ΠΎΠ³ΠΎ ΠΆΠ΅Π»ΡΠ΄ΠΎΡΠΊΠ°, Π²ΠΈΠ·ΡΠ°Π»ΠΈΠ·Π°ΡΠΈΡ ΠΎΡΠ΅ΠΊΠ° ΠΈ ΠΎΡΡΡΠΎΠ³ΠΎ ΠΏΠΎΠ²ΡΠ΅ΠΆΠ΄Π΅Π½ΠΈΡ ΠΌΠΈΠΎΠΊΠ°ΡΠ΄Π°, ΠΎΡΠ΅Π½ΠΊΡ ΠΏΠ΅ΡΡΡΠ·ΠΈΠΈ ΠΈ ΡΡΠ±ΡΠΎΠ²ΡΡ
ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΠΉ ΠΌΠΈΠΎΠΊΠ°ΡΠ΄Π°. Π Π΅Π·ΡΠ»ΡΡΠ°ΡΡ. Π Π°Π·Π»ΠΈΡΠ½ΡΠ΅ Π°ΡΡΠ΅ΡΠ°ΠΊΡΡ ΠΏΡΠΈ ΠΏΡΠΎΠ²Π΅Π΄Π΅Π½ΠΈΠΈ ΠΠ Π’ ΡΠ΅ΡΠ΄ΡΠ° Ρ ΠΊΠΎΠ½ΡΡΠ°ΡΡΠ½ΡΠΌ ΡΡΠΈΠ»Π΅Π½ΠΈΠ΅ΠΌ Π±ΡΠ»ΠΈ Π²ΠΈΠ·ΡΠ°Π»ΠΈΠ·ΠΈΡΠΎΠ²Π°Π½Ρ ΠΏΡΠ°ΠΊΡΠΈΡΠ΅ΡΠΊΠΈ Ρ ΠΊΠ°ΠΆΠ΄ΠΎΠ³ΠΎ ΠΎΠ±ΡΠ»Π΅Π΄ΠΎΠ²Π°Π½Π½ΠΎΠ³ΠΎ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠ°. ΠΠ°ΡΠ΅ΡΡΠ²ΠΎ Π²ΠΈΠ·ΡΠ°Π»ΠΈΠ·Π°ΡΠΈΠΈ ΡΠ΅ΡΠ΄ΡΠ° ΠΏΡΠΈ ΠΠ Π’ Π½Π°ΠΏΡΡΠΌΡΡ Π·Π°Π²ΠΈΡΠ΅Π»ΠΎ ΠΎΡ ΡΠ°ΡΡΠΎΡΡ ΡΠ΅ΡΠ΄Π΅ΡΠ½ΡΡ
ΡΠΎΠΊΡΠ°ΡΠ΅Π½ΠΈΠΉ ΠΈ ΡΠ΅Π³ΡΠ»ΡΡΠ½ΠΎΡΡΠΈ ΡΠΈΡΠΌΠ°. ΠΠ° ΠΊΠ°ΡΠ΅ΡΡΠ²ΠΎ ΠΈΠ·ΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΠΉ ΡΠ°ΠΊΠΆΠ΅ Π²Π»ΠΈΡΠ» ΡΠΎΠΊ ΠΊΡΠΎΠ²ΠΈ Π² ΠΏΠΎΠ»ΠΎΡΡΡΡ
ΡΠ΅ΡΠ΄ΡΠ° ΠΈ ΠΊΡΡΠΏΠ½ΡΡ
ΡΠΎΡΡΠ΄Π°Ρ
. ΠΡΠΎΠΌΠ΅ ΡΠΎΠ³ΠΎ, Π²ΠΎΠ·Π½ΠΈΠΊΠ°Π»ΠΈ Π°ΡΡΠ΅ΡΠ°ΠΊΡΡ ΠΎΡ ΠΊΠΎΡΠΎΠ½Π°ΡΠ½ΡΡ
ΡΡΠ΅Π½ΡΠΎΠ², ΡΠΎΡΡΠ΄ΠΈΡΡΡΡ
ΠΊΠ»ΠΈΠΏΡ, ΡΠ΅ΡΠΊΠ»ΡΠΆΠ° Π³ΡΡΠ΄ΠΈΠ½Ρ, Π½Π°Π»ΠΎΠΆΠ΅Π½ΠΈΡ Π΄ΡΡΠ³ΠΈΡ
ΠΎΡΠ³Π°Π½ΠΎΠ². ΠΠΎ Π²ΡΠ΅ΠΌΡ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΡΠ°ΡΡΠΎ Π½Π°Π±Π»ΡΠ΄Π°Π»ΠΈΡΡ Π°ΡΡΠ΅ΡΠ°ΠΊΡΡ βΠ³ΠΈΠΏΠ΅ΡΠΈΠ½ΡΠ΅Π½ΡΠΈΠ²Π½ΠΎΠ³ΠΎ ΠΌΠΈΠΎΠΊΠ°ΡΠ΄Π°β ΠΈ βΡΠ΅ΠΌΠ½ΠΎΠ³ΠΎ ΠΎΠ±ΠΎΠ΄ΠΊΠ°β, ΠΊΠΎΡΠΎΡΡΠ΅ ΠΈΠΌΠΈΡΠΈΡΠΎΠ²Π°Π»ΠΈ ΠΎΡΠ΅ΠΊ ΡΠ½Π΄ΠΎΠΊΠ°ΡΠ΄Π° ΠΈ Π΄Π΅ΡΠ΅ΠΊΡ ΠΏΠ΅ΡΡΡΠ·ΠΈΠΈ ΠΌΠΈΠΎΠΊΠ°ΡΠ΄Π°. ΠΡΠ²ΠΎΠ΄Ρ. ΠΠ΅ΡΠΌΠΎΡΡΡ Π½Π° Π½Π°Π»ΠΈΡΠΈΠ΅ ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½Π½ΡΡ
Π°ΡΡΠ΅ΡΠ°ΠΊΡΠΎΠ², ΠΊΠΎΡΠΎΡΡΠ΅ ΠΌΠΎΠ³ΡΡ Π²Π»ΠΈΡΡΡ Π½Π° ΠΊΠ°ΡΠ΅ΡΡΠ²ΠΎ ΠΈΠ·ΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΠΉ ΠΈ ΠΈΡ
Π°Π½Π°Π»ΠΈΠ·, ΡΡΡΠ΅ΡΡΠ²ΡΡΡ ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΡΠ΅ ΡΠΏΠΎΡΠΎΠ±Ρ ΡΡΡΡΠ°Π½Π΅Π½ΠΈΡ ΠΈΠ»ΠΈ ΡΠΌΠ΅Π½ΡΡΠ΅Π½ΠΈΡ ΡΡΠ΄Π° Π°ΡΡΠ΅ΡΠ°ΠΊΡΠΎΠ². ΠΡΡΠ΅ΡΠ°ΠΊΡΡ βΠ³ΠΈΠΏΠ΅ΡΠΈΠ½ΡΠ΅Π½ΡΠΈΠ²Π½ΠΎΠ³ΠΎ ΡΠ½Π΄ΠΎΠΊΠ°ΡΠ΄Π°β ΠΈ βΡΠ΅ΠΌΠ½ΠΎΠ³ΠΎ ΠΎΠ±ΠΎΠ΄ΠΊΠ°β ΠΌΠΎΠΆΠ½ΠΎ Π΄ΠΈΡΡΠ΅ΡΠ΅Π½ΡΠΈΡΠΎΠ²Π°ΡΡ Ρ ΠΈΡΡΠΈΠ½Π½ΠΎΠΉ ΠΏΠ°ΡΠΎΠ»ΠΎΠ³ΠΈΠ΅ΠΉ