5 research outputs found
ΠΡΠ°Π½ΠΈΠΎΡΠ΅ΡΠ΅Π±ΡΠ°Π»ΡΠ½Π°Ρ Π³ΠΈΠΏΠΎΡΠ΅ΡΠΌΠΈΡ - ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΠ΅ ΡΡΠ΅Π΄ΡΡΠ²ΠΎ Π½Π΅ΠΉΡΠΎΠΏΡΠΎΡΠ΅ΠΊΡΠΈΠΈ Ρ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² Ρ ΠΈΠ½ΡΠ°ΡΠΊΡΠΎΠΌ ΠΌΠΎΠ·Π³Π°
Ischemic stroke (IS) is one of the main causes of death and disability of the Russian working population and at present there are no known drugs with a proven neuroprotective effect. The purpose of our study was to evaluate the clinical efficacy of craniocerebral hypothermia (CCH) in the complex therapy of IS and its effect when used in long-term therapy. Material and methods. 113 patients were treated, which were divided into the experimental group (CCH administered) and control group (without CCH). To evaluate the temperature of the brain, a non-invasive microwave thermometer was used that could record the average temperature in a given tissue volume. The degree of neurologic deficiency was evaluated using the NIHSS scale, the degree of disability at the 90day from the onset of the disease β according to the modified Rankin scale. Results. In the experimental group, there was a marked decrease in the level of neurological deficit in the acute period after 24 hours of CCH (p<0.01). Also, there was a decrease in the degree of disability by 0.6β0.9 points in groups with CCH. The mortality on the 90th day from the onset of the disease in the group of patients with severe and extremely severe neurologic deficit decreased by 28% (p<0.01), in the group of patients with a deficit of less than 13 points in the NIHSS scale, there were no significant differences. CCH has a pronounced therapeutic effect when applied in combination with standard treatment. It can be assumed that this effect is a consequence of the decrease in brain edema and the protection of the penumbra zone. Conclusions. CCH can be considered as an effective technique for treating patients with IS and is recommended for use in its complex therapy.ΠΠ½ΡΠ°ΡΠΊΡ ΠΌΠΎΠ·Π³Π° ΡΠ²Π»ΡΠ΅ΡΡΡ ΠΎΠ΄Π½ΠΎΠΉ ΠΈΠ· ΠΎΡΠ½ΠΎΠ²Π½ΡΡ
ΠΏΡΠΈΡΠΈΠ½ ΡΠΌΠ΅ΡΡΠΈ ΠΈ ΠΈΠ½Π²Π°Π»ΠΈΠ΄ΠΈΠ·Π°ΡΠΈΠΈ ΡΠ°Π±ΠΎΡΠΎΡΠΏΠΎΡΠΎΠ±Π½ΠΎΠ³ΠΎ Π½Π°ΡΠ΅Π»Π΅Π½ΠΈΡ Π ΠΎΡΡΠΈΠΈ, ΠΈ Π΄ΠΎ Π½Π°ΡΡΠΎΡΡΠ΅Π³ΠΎ Π²ΡΠ΅ΠΌΠ΅Π½ΠΈ Π² ΠΌΠΈΡΠ΅ Π½Π΅Ρ ΠΏΡΠ΅ΠΏΠ°ΡΠ°ΡΠΎΠ² Ρ Π΄ΠΎΠΊΠ°Π·Π°Π½Π½ΡΠΌ Π½Π΅ΠΉΡΠΎΠΏΡΠΎΡΠ΅ΠΊΡΠΈΠ²Π½ΡΠΌ ΡΡΡΠ΅ΠΊΡΠΎΠΌ. Π¦Π΅Π»Ρ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ β ΠΎΡΠ΅Π½ΠΈΡΡ ΠΊΠ»ΠΈΠ½ΠΈΡΠ΅ΡΠΊΡΡ ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΡΡΡ ΠΊΡΠ°Π½ΠΈΠΎΡΠ΅ΡΠ΅Π±ΡΠ°Π»ΡΠ½ΠΎΠΉ Π³ΠΈΠΏΠΎΡΠ΅ΡΠΌΠΈΠΈ (ΠΠ¦Π) Π² ΠΎΡΡΡΠΎΠΌ ΠΏΠ΅ΡΠΈΠΎΠ΄Π΅ ΠΈΠ½ΡΠ°ΡΠΊΡΠ° ΠΌΠΎΠ·Π³Π° ΠΈ Π΅Π΅ Π²Π»ΠΈΡΠ½ΠΈΠ΅ Π½Π° ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ Π»Π΅ΡΠ΅Π½ΠΈΡ Π² ΠΎΡΠ΄Π°Π»Π΅Π½Π½ΠΎΠΌ ΠΏΠ΅ΡΠΈΠΎΠ΄Π΅. ΠΠ°ΡΠ΅ΡΠΈΠ°Π» ΠΈ ΠΌΠ΅ΡΠΎΠ΄Ρ. Π ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠ΅ Π²ΠΊΠ»ΡΡΠ΅Π½Ρ 113 ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² Ρ Π΄ΠΈΠ°Π³Π½ΠΎΠ·ΠΎΠΌ Β«ΠΈΠ½ΡΠ°ΡΠΊΡ ΠΌΠΎΠ·Π³Π°Β», ΠΊΠΎΡΠΎΡΡΡ
ΡΠ°ΡΠΏΡΠ΅Π΄Π΅Π»ΠΈΠ»ΠΈ Π½Π° ΡΠ΅ΡΡΡΠ΅ Π³ΡΡΠΏΠΏΡ. 1-Ρ Π Π³ΡΡΠΏΠΏΠ° (n=20), ΠΎΡΠ½ΠΎΠ²Π½Π°Ρ β ΠΏΠ°ΡΠΈΠ΅Π½ΡΡ Ρ Π»Π΅Π³ΠΊΠΎΠΉ ΠΈ ΡΡΠ΅Π΄Π½Π΅ΠΉ ΡΡΠ΅ΠΏΠ΅Π½ΡΡ Π½Π΅Π²ΡΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΡ
Π½Π°ΡΡΡΠ΅Π½ΠΈΠΉ (ΠΏΠΎ ΡΠΊΠ°Π»Π΅ NIHSS 8β12 Π±Π°Π»Π»ΠΎΠ²), ΠΊΠΎΡΠΎΡΡΠΌ Π½Π°ΡΡΠ΄Ρ ΡΠΎ ΡΡΠ°Π½Π΄Π°ΡΡΠ½ΠΎΠΉ ΡΠ°ΡΠΌΠ°ΠΊΠΎΡΠ΅ΡΠ°ΠΏΠΈΠ΅ΠΉ Π² 1-Π΅ ΡΡΡΠΊΠΈ Π»Π΅ΡΠ΅Π½ΠΈΡ Π½Π°ΡΠΈΠ½Π°Π»ΠΈ ΡΠ΅Π°Π½Ρ ΠΠ¦Π; 1-Ρ Π Π³ΡΡΠΏΠΏΠ° (n=8), ΠΊΠΎΠ½ΡΡΠΎΠ»ΡΠ½Π°Ρ β ΠΏΠ°ΡΠΈΠ΅Π½ΡΡ Ρ Π°Π½Π°Π»ΠΎΠ³ΠΈΡΠ½ΠΎΠΉ ΡΡΠ΅ΠΏΠ΅Π½ΡΡ Π½Π΅Π²ΡΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΡ
Π½Π°ΡΡΡΠ΅Π½ΠΈΠΉ, ΠΊΠΎΡΠΎΡΡΠΌ ΠΏΡΠΎΠ²ΠΎΠ΄ΠΈΠ»ΠΈ ΡΡΠ°Π½Π΄Π°ΡΡΠ½ΡΡ ΡΠ°ΡΠΌΠ°ΠΊΠΎΡΠ΅ΡΠ°ΠΏΠΈΡ Π±Π΅Π· ΠΠ¦Π; 2-Ρ Π Π³ΡΡΠΏΠΏΠ° (n=39), ΠΎΡΠ½ΠΎΠ²Π½Π°Ρ β ΠΏΠ°ΡΠΈΠ΅Π½ΡΡ Ρ ΡΡΠΆΠ΅Π»ΡΠΌΠΈ Π½Π΅Π²ΡΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΠΌΠΈ Π½Π°ΡΡΡΠ΅Π½ΠΈΡΠΌΠΈ ΠΈ Π½Π°ΡΡΡΠ΅Π½ΠΈΡΠΌΠΈ ΠΊΡΠ°ΠΉΠ½Π΅ΠΉ ΡΡΠ΅ΠΏΠ΅Π½ΠΈ ΡΡΠΆΠ΅ΡΡΠΈ (ΠΏΠΎ ΡΠΊΠ°Π»Π΅ NIHSS 13 Π±Π°Π»Π»ΠΎΠ² ΠΈ Π±ΠΎΠ»Π΅Π΅), ΠΊΠΎΡΠΎΡΡΠΌ Π½Π°ΡΡΠ΄Ρ ΡΠΎ ΡΡΠ°Π½Π΄Π°ΡΡΠ½ΠΎΠΉ ΡΠ°ΡΠΌΠ°ΠΊΠΎΡΠ΅ΡΠ°ΠΏΠΈΠ΅ΠΉ Π² 1-Π΅ ΡΡΡΠΊΠΈ Π»Π΅ΡΠ΅Π½ΠΈΡ Π½Π°ΡΠΈΠ½Π°Π»ΠΈ ΡΠ΅Π°Π½Ρ ΠΠ¦Π; 2-Ρ Π Π³ΡΡΠΏΠΏΠ° (n=36), ΠΊΠΎΠ½ΡΡΠΎΠ»ΡΠ½Π°Ρ β ΠΏΠ°ΡΠΈΠ΅Π½ΡΡ Ρ Π°Π½Π°Π»ΠΎΠ³ΠΈΡΠ½ΠΎΠΉ ΡΡΠ΅ΠΏΠ΅Π½ΡΡ Π½Π΅Π²ΡΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΡ
Π½Π°ΡΡΡΠ΅Π½ΠΈΠΉ, ΠΊΠΎΡΠΎΡΡΠΌ ΠΏΡΠΎΠ²ΠΎΠ΄ΠΈΠ»ΠΈ ΡΡΠ°Π½Π΄Π°ΡΡΠ½ΡΡ ΡΠ°ΡΠΌΠ°ΠΊΠΎΡΠ΅ΡΠ°ΠΏΠΈΡ Π±Π΅Π· ΠΠ¦Π. ΠΠ»Ρ ΠΎΡΠ΅Π½ΠΊΠΈ ΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΡ Π³ΠΎΠ»ΠΎΠ²Π½ΠΎΠ³ΠΎ ΠΌΠΎΠ·Π³Π° ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π»ΠΈ Π½Π΅ΠΈΠ½Π²Π°Π·ΠΈΠ²Π½ΡΠΉ ΠΊΠΎΠΌΠΏΡΡΡΠ΅ΡΠΈΠ·ΠΈΡΠΎΠ²Π°Π½Π½ΡΠΉ Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΡΠ΅ΡΠΊΠΈΠΉ ΡΠ°Π΄ΠΈΠΎΡΠ΅ΡΠΌΠΎΠΌΠ΅ΡΡ Π Π’Π-01-Π ΠΠ‘, ΠΏΠΎΠ·Π²ΠΎΠ»ΡΡΡΠΈΠΉ ΡΠ΅Π³ΠΈΡΡΡΠΈΡΠΎΠ²Π°ΡΡ ΡΡΠ΅Π΄Π½ΡΡ ΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΡ Π² ΠΎΠ±ΡΠ΅ΠΌΠ΅ ΡΠΊΠ°Π½Π΅ΠΉ. Π‘ΡΠ΅ΠΏΠ΅Π½Ρ Π½Π΅Π²ΡΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ Π΄Π΅ΡΠΈΡΠΈΡΠ° ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π»ΠΈ ΠΏΠΎ ΡΠΊΠ°Π»Π΅ NIHSS, ΡΡΠ΅ΠΏΠ΅Π½Ρ ΠΈΠ½Π²Π°Π»ΠΈΠ΄ΠΈΠ·Π°ΡΠΈΠΈ Π½Π° 90-ΠΉ Π΄Π΅Π½Ρ ΠΎΡ Π½Π°ΡΠ°Π»Π° Π·Π°Π±ΠΎΠ»Π΅Π²Π°Π½ΠΈΡ β ΠΏΠΎ ΠΌΠΎΠ΄ΠΈΡΠΈΡΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠΉ ΡΠΊΠ°Π»Π΅ Π ΡΠ½ΠΊΠΈΠ½Π°. Π Π΅Π·ΡΠ»ΡΡΠ°ΡΡ. Π£ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² ΠΎΡΠ½ΠΎΠ²Π½ΡΡ
Π³ΡΡΠΏΠΏ ΠΎΡΠΌΠ΅ΡΠ΅Π½ΠΎ Π²ΡΡΠ°ΠΆΠ΅Π½Π½ΠΎΠ΅ ΡΠΌΠ΅Π½ΡΡΠ΅Π½ΠΈΠ΅ ΡΡΠΎΠ²Π½Ρ Π½Π΅Π²ΡΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ Π΄Π΅ΡΠΈΡΠΈΡΠ° Π² ΠΎΡΡΡΠΎΠΌ ΠΏΠ΅ΡΠΈΠΎΠ΄Π΅ ΡΠΆΠ΅ ΡΠ΅ΡΠ΅Π· 24 Ρ ΠΎΡ Π½Π°ΡΠ°Π»Π° ΠΏΡΠΎΠ²Π΅Π΄Π΅Π½ΠΈΡ ΠΠ¦Π (p<0,01) ΠΈ Π² ΠΏΠΎΡΠ»Π΅Π΄ΡΡΡΠ΅ΠΌ β ΡΠ½ΠΈΠΆΠ΅Π½ΠΈΠ΅ ΡΡΠ΅ΠΏΠ΅Π½ΠΈ ΠΈΠ½Π²Π°Π»ΠΈΠ΄ΠΈΠ·Π°ΡΠΈΠΈ Π½Π° 0,6β0,9 Π±Π°Π»Π»Π°. ΠΠ΅ΡΠ°Π»ΡΠ½ΠΎΡΡΡ Π½Π° 90-ΠΉ Π΄Π΅Π½Ρ ΠΎΡ Π½Π°ΡΠ°Π»Π° Π·Π°Π±ΠΎΠ»Π΅Π²Π°Π½ΠΈΡ Ρ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² Ρ ΡΡΠΆΠ΅Π»ΠΎΠΉ ΠΈ ΠΊΡΠ°ΠΉΠ½Π΅ ΡΡΠΆΠ΅Π»ΠΎΠΉ ΡΡΠ΅ΠΏΠ΅Π½ΡΡ Π½Π΅Π²ΡΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ Π΄Π΅ΡΠΈΡΠΈΡΠ° ΡΠ½ΠΈΠ·ΠΈΠ»Π°ΡΡ Π½Π° 28% (p<0,01), Π² Π³ΡΡΠΏΠΏΠ΅ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² Ρ Π΄Π΅ΡΠΈΡΠΈΡΠΎΠΌ ΠΌΠ΅Π½Π΅Π΅ 13 Π±Π°Π»Π»ΠΎΠ² ΠΏΠΎ ΡΠΊΠ°Π»Π΅ NIHSS ΡΡΠ°ΡΠΈΡΡΠΈΡΠ΅ΡΠΊΠΈ Π·Π½Π°ΡΠΈΠΌΡΡ
ΡΠ°Π·Π»ΠΈΡΠΈΠΉ Π½Π΅ Π²ΡΡΠ²Π»Π΅Π½ΠΎ. ΠΠ΅ΡΠΎΠ΄ ΠΠ¦Π ΠΎΠ±Π»Π°Π΄Π°Π΅Ρ Π²ΡΡΠ°ΠΆΠ΅Π½Π½ΡΠΌ ΡΠ΅ΡΠ°ΠΏΠ΅Π²ΡΠΈΡΠ΅ΡΠΊΠΈΠΌ ΡΡΡΠ΅ΠΊΡΠΎΠΌ ΠΏΡΠΈ Π΅Π³ΠΎ ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠΈ Π² ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡΠ΅ ΡΠΎ ΡΡΠ°Π½Π΄Π°ΡΡΠ½ΡΠΌ Π»Π΅ΡΠ΅Π½ΠΈΠ΅ΠΌ. ΠΠΎΠΆΠ½ΠΎ ΠΏΡΠ΅Π΄ΠΏΠΎΠ»ΠΎΠΆΠΈΡΡ, ΡΡΠΎ ΡΡΠΎΡ ΡΡΡΠ΅ΠΊΡ ΠΎΠ±ΡΡΠ»ΠΎΠ²Π»Π΅Π½ ΡΠΌΠ΅Π½ΡΡΠ΅Π½ΠΈΠ΅ΠΌ ΠΎΡΠ΅ΠΊΠ° Π³ΠΎΠ»ΠΎΠ²Π½ΠΎΠ³ΠΎ ΠΌΠΎΠ·Π³Π° ΠΈ ΡΡΠ°Π±ΠΈΠ»ΠΈΠ·Π°ΡΠΈΠ΅ΠΉ Π·ΠΎΠ½Ρ ΠΏΠ΅Π½ΡΠΌΠ±ΡΡ. ΠΡΠ²ΠΎΠ΄Ρ. ΠΠ¦Π ΠΌΠΎΠΆΠ½ΠΎ ΠΎΡΠ΅Π½ΠΈΡΡ ΠΊΠ°ΠΊ ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΡΠΉ ΠΌΠ΅ΡΠΎΠ΄ Π»Π΅ΡΠ΅Π½ΠΈΡ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ² Ρ ΠΈΠ½ΡΠ°ΡΠΊΡΠΎΠΌ ΠΌΠΎΠ·Π³Π° ΠΈ ΡΠ΅ΠΊΠΎΠΌΠ΅Π½Π΄ΠΎΠ²Π°ΡΡ Π΄Π»Ρ ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΡ Π² ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡΠ½ΠΎΠΉ ΡΠ΅ΡΠ°ΠΏΠΈΠΈ ΡΡΠΎΠ³ΠΎ Π·Π°Π±ΠΎΠ»Π΅Π²Π°Π½ΠΈΡ
Carbon window soft x-ray imaging using multilayer optics
The paper deals with the recent results of the experiments on soft X-ray imaging of various carbon-containing objects: biological samples, artificial carbon fibres, graphite slices, etc. The working wavelength was chosen to be 4.5 nm due to high penetration ability of these soft X-rays in the carbon materials. The experimental set-up included: laser plasma Xray source (generated with the 2nd harmonics of Nd:YAG laser), scandium-based thin-film filter and highly reflective spherical multilayer mirror. The Co/C multilayer's reflectivity was measured to be about 15 % at normal incidence that was high enough to produce soft X-ray images using single nanosecond exposure. The work demonstrates a possibility to produce high contrast images outside "water window" region for study of relatively thick (tens of microns) unstained samples that may lead to new fields of applications of the soft x-ray microscopy