63 research outputs found
ΠΠΈΠ°Π³Π½ΠΎΡΡΠΈΡΠ΅ΡΠΊΠΈΠ΅ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΠΈ ΡΠ»ΡΡΡΠ°Π·Π²ΡΠΊΠΎΠ²ΡΡ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠ² ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ Π² ΠΏΡΠ»ΡΠΌΠΎΠ½ΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΏΡΠ°ΠΊΡΠΈΠΊΠ΅
Ultrasound diagnostic methods completely respond to all current requirements for diagnostic procedures and are valuable, safe, and relatively independent on the patient's condition. As ultrasound scanners are improved and new diagnostic regimens are developed, their use in different clinical field is extended. The most common ultrasound methods in pulmonology are echocardiography and ultrasonography of pleural cavities. Ultrasound investigation of the lung parenchyma is limited due to full reflection of ultra-sound from the aerated lung tissue. The lung density is increased in respiratory diseases; this gives an opportunity to use ultrasonography together with radiological methods for diagnosis and, therefore, to decrease radiation dose for the patient.Π£Π»ΡΡΡΠ°Π·Π²ΡΠΊΠΎΠ²ΡΠ΅ (Π£Π) ΠΌΠ΅ΡΠΎΠ΄Ρ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ Π² ΠΏΠΎΠ»Π½ΠΎΠΉ ΠΌΠ΅ΡΠ΅ ΠΎΡΠ²Π΅ΡΠ°ΡΡ Π²ΡΠ΅ΠΌ ΡΠΎΠ²ΡΠ΅ΠΌΠ΅Π½Π½ΡΠΌ ΡΡΠ΅Π±ΠΎΠ²Π°Π½ΠΈΡΠΌ ΠΊ Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΡΠ΅ΡΠΊΠΈΠΌ ΠΏΡΠΎΡΠ΅Π΄ΡΡΠ°ΠΌ: ΠΈΠ½ΡΠΎΡΠΌΠ°ΡΠΈΠ²Π½ΠΎΡΡΡ, Π±Π΅Π·ΠΎΠΏΠ°ΡΠ½ΠΎΡΡΡ, ΠΎΡΠ½ΠΎΡΠΈΡΠ΅Π»ΡΠ½Π°Ρ Π½Π΅Π·Π°Π²ΠΈΡΠΈΠΌΠΎΡΡΡ ΠΎΡ ΡΡΠΆΠ΅ΡΡΠΈ ΡΠΎΡΡΠΎΡΠ½ΠΈΡ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠ°, Π° ΠΏΠΎ ΠΌΠ΅ΡΠ΅ ΡΠΎΠ²Π΅ΡΡΠ΅Π½ΡΡΠ²ΠΎΠ²Π°Π½ΠΈΡ ΡΠ»ΡΡΡΠ°Π·Π²ΡΠΊΠΎΠ²ΡΡ
ΡΠΊΠ°Π½Π΅ΡΠΎΠ² ΠΈ ΠΏΠΎΡΠ²Π»Π΅Π½ΠΈΡ Π½ΠΎΠ²ΡΡ
ΡΠ΅ΠΆΠΈΠΌΠΎΠ² ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΡΠ°ΡΡΠΈΡΡΡΡΡΡ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΠΈ ΠΈΡ
ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΡ Π² ΠΊΠ»ΠΈΠ½ΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΏΡΠ°ΠΊΡΠΈΠΊΠ΅ Π²ΡΠ°ΡΠ°ΠΌΠΈ ΡΠ°Π·Π½ΡΡ
ΡΠΏΠ΅ΡΠΈΠ°Π»ΡΠ½ΠΎΡΡΠ΅ΠΉ. ΠΠ°ΠΈΠ±ΠΎΠ»Π΅Π΅ Π²ΠΎΡΡΡΠ΅Π±ΠΎΠ²Π°Π½Π½ΡΠΌΠΈ Π£Π-ΠΌΠ΅ΡΠΎΠ΄Π°ΠΌΠΈ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ Π² ΠΏΡΠ»ΡΠΌΠΎΠ½ΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΏΡΠ°ΠΊΡΠΈΠΊΠ΅ ΡΠ²Π»ΡΡΡΡΡ ΡΡ
ΠΎΠΊΠ°ΡΠ΄ΠΈΠΎΠ³ΡΠ°ΡΠΈΡ ΠΈ ΡΠ»ΡΡΡΠ°Π·Π²ΡΠΊΠΎΠ²ΠΎΠ΅ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠ΅ ΠΏΠ»Π΅Π²ΡΠ°Π»ΡΠ½ΡΡ
ΠΏΠΎΠ»ΠΎΡΡΠ΅ΠΉ. ΠΠ΄Π½Π°ΠΊΠΎ ΠΏΡΠΈ ΠΎΡΠ΅Π½ΠΊΠ΅ ΡΠΎΡΡΠΎΡΠ½ΠΈΡ Π»Π΅Π³ΠΊΠΈΡ
ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ ΡΡΠΎΠ³ΠΎ ΠΌΠ΅ΡΠΎΠ΄Π° ΠΎΠ³ΡΠ°Π½ΠΈΡΠ΅Π½ΠΎ ΠΏΠΎΠ»Π½ΡΠΌ ΠΎΡΡΠ°ΠΆΠ΅Π½ΠΈΠ΅ΠΌ ΡΠ»ΡΡΡΠ°Π·Π²ΡΠΊΠ° ΠΎΡ Π²ΠΎΠ·Π΄ΡΡΠ½ΠΎΠΉ Π»Π΅Π³ΠΎΡΠ½ΠΎΠΉ ΡΠΊΠ°Π½ΠΈ. ΠΡΠΈ Π·Π°Π±ΠΎΠ»Π΅Π²Π°Π½ΠΈΡΡ
Π»Π΅Π³ΠΊΠΈΡ
ΠΏΡΠΎΠΈΡΡ
ΠΎΠ΄ΠΈΡ ΠΏΠΎΡΠ΅ΡΡ Π²ΠΎΠ·Π΄ΡΡΠ½ΠΎΡΡΠΈ Π»Π΅Π³ΠΎΡΠ½ΠΎΠΉ ΠΏΠ°ΡΠ΅Π½Ρ
ΠΈΠΌΡ, ΡΡΠΎ Π² ΡΡΠ΄Π΅ ΡΠ»ΡΡΠ°Π΅Π² ΠΏΠΎΠ·Π²ΠΎΠ»ΡΠ΅Ρ ΡΠ΅ΡΠ΅Π΄ΠΎΠ²Π°ΡΡ ΡΠ΅Π½ΡΠ³Π΅Π½ΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΠΈ Π£Π-ΠΌΠ΅ΡΠΎΠ΄ΠΈΠΊΠΈ Π² Π»Π΅ΡΠ΅Π±Π½ΠΎ-Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΡΠ΅ΡΠΊΠΎΠΌ ΠΏΡΠΎΡΠ΅ΡΡΠ΅ ΠΈ ΡΠ°ΠΊΠΈΠΌ ΠΎΠ±ΡΠ°Π·ΠΎΠΌ ΡΠ½ΠΈΠΆΠ°ΡΡ Π»ΡΡΠ΅Π²ΡΡ Π½Π°Π³ΡΡΠ·ΠΊΡ Π½Π° ΠΏΠ°ΡΠΈΠ΅Π½ΡΠ° ΠΈ ΠΎΠ±ΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎ ΠΊΠΎΠ½ΡΡΠΎΠ»ΠΈΡΠΎΠ²Π°ΡΡ Π΅Π³ΠΎ ΡΠΎΡΡΠΎΡΠ½ΠΈΠ΅. ΠΡΠΈ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠΈ Π£ΠΠ Ρ Π²ΡΠ°ΡΠ°-ΠΏΡΠ»ΡΠΌΠΎΠ½ΠΎΠ»ΠΎΠ³Π° ΠΏΠΎΡΠ²Π»ΡΠ΅ΡΡΡ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΡ ΠΎΠ±ΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎ ΠΎΡΠ΅Π½ΠΈΡΡ ΡΠΎΡΡΠΎΡΠ½ΠΈΠ΅ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠ° ΠΈ ΡΠ°ΡΠΈΠΎΠ½Π°Π»ΡΠ½ΠΎ Π²ΡΡΡΡΠΎΠΈΡΡ Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΡΠ΅ΡΠΊΠΈΠΉ ΠΏΡΠΎΡΠ΅ΡΡ, Π²ΡΠ±ΡΠ°Π² ΠΏΡΠ°Π²ΠΈΠ»ΡΠ½ΡΡ ΡΠ°ΠΊΡΠΈΠΊΡ Π»Π΅ΡΠ΅Π½ΠΈΡ ΠΈΠ»ΠΈ ΡΠΊΠΎΡΡΠ΅ΠΊΡΠΈΡΠΎΠ²Π°Π² Π΅Π΅. Π£ΡΠΈΡΡΠ²Π°Ρ ΡΠ΅Π½ΡΠ³Π΅Π½ΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΡΡ Π±Π΅Π·ΠΎΠΏΠ°ΡΠ½ΠΎΡΡΡ ΠΈ Π΄ΠΎΡΡΡΠΏΠ½ΠΎΡΡΡ, ΠΌΠ΅ΡΠΎΠ΄Ρ Π£Π-Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΠΊΠΈ Π½Π΅Π·Π°ΠΌΠ΅Π½ΠΈΠΌΡ ΠΏΡΠΈ Π΄ΠΈΠ½Π°ΠΌΠΈΡΠ΅ΡΠΊΠΎΠΌ Π½Π°Π±Π»ΡΠ΄Π΅Π½ΠΈΠΈ ΠΈ ΠΌΠΎΠ³ΡΡ Π±ΡΡΡ ΠΏΠΎΠ²ΡΠΎΡΠ΅Π½Ρ Ρ Π½Π΅ΠΎΠ±Ρ
ΠΎΠ΄ΠΈΠΌΠΎΠΉ ΡΠ°ΡΡΠΎΡΠΎΠΉ, Π° Π² ΡΡΠ΄Π΅ ΡΠ»ΡΡΠ°Π΅Π² β ΠΏΠΎΡΠ»ΡΠΆΠΈΡΡ ΡΠ°Π·ΡΠΌΠ½ΠΎΠΉ Π°Π»ΡΡΠ΅ΡΠ½Π°ΡΠΈΠ²ΠΎΠΉ ΡΠ΅Π½ΡΠ³Π΅Π½ΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΎΠΌΡ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ Π»Π΅Π³ΠΊΠΈΡ
Childβs heart development and contractility from prenatal to postnatal period
This literature review analyzes current data on the main stages of childβs heart contractility development from prenatal to postnatal period. The presented information will expand the conventional ideas on the age-related cardiovascular physiology in children, supplementing with relevant knowledge about the patterns of left ventricular mechanics, and the mechanisms affecting childβs heart morphology. In addition, we consider the evolutionary feasibility of the simultaneous existence of various left ventricular mechanics models, which ensure the effective cardiac function in the postnatal period. This is very important for the work of neonatologists, pediatricians, pediatric cardiologists and therapists
Π₯ΡΠΎΠ½ΠΈΡΠ΅ΡΠΊΠ°Ρ ΠΎΠ±ΡΡΡΡΠΊΡΠΈΠ²Π½Π°Ρ Π±ΠΎΠ»Π΅Π·Π½Ρ Π»Π΅Π³ΠΊΠΈΡ ΠΈ Π»Π΅Π³ΠΎΡΠ½Π°Ρ Π³ΠΈΠΏΠ΅ΡΡΠ΅Π½Π·ΠΈΡ: ΠΌΠΎΠ·Π³ΠΎΠ²ΠΎΠΉ Π½Π°ΡΡΠΈΠΉΡΡΠ΅ΡΠΈΡΠ΅ΡΠΊΠΈΠΉ ΠΏΠ΅ΠΏΡΠΈΠ΄ ΠΊΠ°ΠΊ ΠΌΠ°ΡΠΊΠ΅Ρ Π»Π΅Π³ΠΎΡΠ½ΠΎΠΉ Π³ΠΈΠΏΠ΅ΡΡΠ΅Π½Π·ΠΈΠΈ
Summary. Results of the brain natriuretic peptide (BNP) measurements in 47 patients with chronic obstructive pulmonary disease (COPD) (5 females, 42 males, the mean age, 57.0 Β± 9.9 years) with normal left heart function have been presented in this article. Lung function testing, blood gas analysis, and non-invasive assessment of the central haemodynamics with estimated systolic pulmonary artery pressure (PAPsys) were performed and BNP was measured in the blood plasma. Plasma BNP concentration in COPD patients with increased PAPsys was significantly higher (346.2 Β± 68.7 ng Γ mLβ1) compared to that in patients with normal PAPsys (216.8 Β± 77.2 ng Γ mLβ1). A significant relationship was found between PAPsys and BNP concentration in COPD patients (r = 0.76; p < 0.05). ROC-analysis showed high sensitivity and specificity of plasma BNP concentration for diagnosis of pulmonary hypertension in COPD patients. Therefore, plasma BNP concentration reflects PAP level and could be used as a marker of pulmonary hypertension in COPD.Π Π΅Π·ΡΠΌΠ΅. Π ΡΡΠ°ΡΡΠ΅ ΠΏΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½Ρ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΠΌΠΎΠ·Π³ΠΎΠ²ΠΎΠ³ΠΎ Π½Π°ΡΡΠΈΠΉΡΡΠ΅ΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΏΠ΅ΠΏΡΠΈΠ΄Π° (BNP) Ρ 47 Π±ΠΎΠ»ΡΠ½ΡΡ
Ρ
ΡΠΎΠ½ΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΎΠ±ΡΡΡΡΠΊΡΠΈΠ²Π½ΠΎΠΉ Π±ΠΎΠ»Π΅Π·Π½ΡΡ Π»Π΅Π³ΠΊΠΈΡ
β Π₯ΠΠΠ (5 ΠΆΠ΅Π½ΡΠΈΠ½ ΠΈ 42 ΠΌΡΠΆΡΠΈΠ½Ρ, ΡΡΠ΅Π΄Π½ΠΈΠΉ Π²ΠΎΠ·ΡΠ°ΡΡ β 57,0 Β± 9,9 Π³ΠΎΠ΄Π°) Ρ ΡΠΎΡ
ΡΠ°Π½Π΅Π½Π½ΠΎΠΉ ΡΡΠ½ΠΊΡΠΈΠ΅ΠΉ Π»Π΅Π²ΠΎΠ³ΠΎ ΠΆΠ΅Π»ΡΠ΄ΠΎΡΠΊΠ°. ΠΡΠΎΠ²ΠΎΠ΄ΠΈΠ»ΠΎΡΡ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠ΅ ΡΡΠ½ΠΊΡΠΈΠΎΠ½Π°Π»ΡΠ½ΡΡ
Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊ Π²Π½Π΅ΡΠ½Π΅Π³ΠΎ Π΄ΡΡ
Π°Π½ΠΈΡ, Π³Π°Π·ΠΎΠ²ΠΎΠ³ΠΎ ΡΠΎΡΡΠ°Π²Π° Π°ΡΡΠ΅ΡΠΈΠ°Π»ΡΠ½ΠΎΠΉ ΠΊΡΠΎΠ²ΠΈ, Π½Π΅ΠΈΠ½Π²Π°Π·ΠΈΠ²Π½Π°Ρ ΠΎΡΠ΅Π½ΠΊΠ° ΡΠ΅Π½ΡΡΠ°Π»ΡΠ½ΠΎΠΉ Π³Π΅ΠΌΠΎΠ΄ΠΈΠ½Π°ΠΌΠΈΠΊΠΈ Ρ ΡΠ°ΡΡΠ΅ΡΠΎΠΌ ΡΠΈΡΡΠΎΠ»ΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ Π΄Π°Π²Π»Π΅Π½ΠΈΡ Π² Π»Π΅Π³ΠΎΡΠ½ΠΎΠΉ Π°ΡΡΠ΅ΡΠΈΠΈ (Π‘ΠΠΠ), ΠΎΠΏΡΠ΅Π΄Π΅Π»ΡΠ»Π°ΡΡ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΡ BNP Π² ΠΏΠ»Π°Π·ΠΌΠ΅ ΠΊΡΠΎΠ²ΠΈ. ΠΡΡΠ²Π»Π΅Π½Ρ Π΄ΠΎΡΡΠΎΠ²Π΅ΡΠ½ΡΠ΅ ΠΎΡΠ»ΠΈΡΠΈΡ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΠΈ BNP Π² ΠΏΠ»Π°Π·ΠΌΠ΅ ΠΊΡΠΎΠ²ΠΈ Π±ΠΎΠ»ΡΠ½ΡΡ
Π₯ΠΠΠ Ρ ΠΏΠΎΠ²ΡΡΠ΅Π½ΠΈΠ΅ΠΌ Π‘ΠΠΠ (346,2 Β± 68,7 ΠΏΠ³ / ΠΌΠ») ΠΈ Π±ΠΎΠ»ΡΠ½ΡΡ
Π±Π΅Π· ΠΏΡΠΈΠ·Π½Π°ΠΊΠΎΠ² Π»Π΅Π³ΠΎΡΠ½ΠΎΠΉ Π³ΠΈΠΏΠ΅ΡΡΠ΅Π½Π·ΠΈΠΈ β ΠΠ (216,8 Β± 77,2 ΠΏΠ³ / ΠΌΠ»). ΠΠΏΡΠ΅Π΄Π΅Π»Π΅Π½Π° Π΄ΠΎΡΡΠΎΠ²Π΅ΡΠ½Π°Ρ Π·Π½Π°ΡΠΈΠΌΠ°Ρ ΠΊΠΎΡΡΠ΅Π»ΡΡΠΈΠΎΠ½Π½Π°Ρ ΡΠ²ΡΠ·Ρ ΠΌΠ΅ΠΆΠ΄Ρ Π‘ΠΠΠ ΠΈ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΠ΅ΠΉ BNP Ρ Π±ΠΎΠ»ΡΠ½ΡΡ
Π₯ΠΠΠ (r = 0,76; p < 0,05). ROC-Π°Π½Π°Π»ΠΈΠ· ΠΏΠΎΠΊΠ°Π·Π°Π», ΡΡΠΎ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΡ ΠΏΠ»Π°Π·ΠΌΠ°ΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ BNP ΠΎΠ±Π»Π°Π΄Π°Π΅Ρ Π²ΡΡΠΎΠΊΠΎΠΉ ΡΡΠ²ΡΡΠ²ΠΈΡΠ΅Π»ΡΠ½ΠΎΡΡΡΡ ΠΈ ΡΠΏΠ΅ΡΠΈΡΠΈΡΠ½ΠΎΡΡΡΡ ΠΏΡΠΈ Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΠΊΠ΅ ΠΠ Ρ Π±ΠΎΠ»ΡΠ½ΡΡ
Π₯ΠΠΠ. Π’Π°ΠΊΠΈΠΌ ΠΎΠ±ΡΠ°Π·ΠΎΠΌ, ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΡ BNP Π² ΠΏΠ»Π°Π·ΠΌΠ΅ ΠΊΡΠΎΠ²ΠΈ Π±ΠΎΠ»ΡΠ½ΡΡ
Π₯ΠΠΠ ΠΎΡΡΠ°ΠΆΠ°Π΅Ρ ΡΡΠΎΠ²Π΅Π½Ρ Π΄Π°Π²Π»Π΅Π½ΠΈΡ Π² Π»Π΅Π³ΠΎΡΠ½ΠΎΠΉ Π°ΡΡΠ΅ΡΠΈΠΈ ΠΈ ΠΌΠΎΠΆΠ΅Ρ Π±ΡΡΡ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½Π° ΠΊΠ°ΠΊ ΠΌΠ°ΡΠΊΠ΅Ρ ΠΠ ΠΏΡΠΈ Π₯ΠΠΠ
ΠΠ»ΠΈΡΠ½ΠΈΠ΅ ΡΠΎΠΏΡΡΡΡΠ²ΡΡΡΠΈΡ ΡΠ΅ΡΠ΄Π΅ΡΠ½ΠΎ-ΡΠΎΡΡΠ΄ΠΈΡΡΡΡ Π·Π°Π±ΠΎΠ»Π΅Π²Π°Π½ΠΈΠΉ Π½Π° ΡΠ΅ΡΠ΅Π½ΠΈΠ΅ ΠΈ ΠΏΡΠΎΠ³Π½ΠΎΠ· Ρ ΡΠΎΠ½ΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΎΠ±ΡΡΡΡΠΊΡΠΈΠ²Π½ΠΎΠΉ Π±ΠΎΠ»Π΅Π·Π½ΠΈ Π»Π΅Π³ΠΊΠΈΡ
Comorbidity of chronic obstructive pulmonary disease (COPD) and cardiovascular disease (CVD) is currently important and not fully investigated. The aim of this study was to analyze clinical signs, lung function, the central and the intracardiac hemodynamics, and predictors of outcome in patients with comorbidity of COPD and CVD. Methods. The study involved 118 patients with stage 3 to 4 COPD (GOLD, 2016) including 111 men and 7 women. The mean age was 59.5 Β± 0.63 years, the smoking history was 23.1 Β± 0.93 pack-years, and body mass index (BMI) was 27.2 Β± 9.06 kg/m2. The patients were allocated into one of three groups: COPD group (n = 37), COPD + coronary heart disease (CHD) group (stable angina functional class (FC) II to III, n = 45), and COPD + hypertension (H) group, n = 36). Results. Patients with COPD and CVD were older, had higher smoking history and higher BMI. Clinical signs of COPD were more prominent and the lung function was lower in COPD patients with CVD comorbidity. Cardiac remodeling and right and left ventricular diastolic dysfunction were more severe in the groups with comorbidity. The 3-year survival in the groups with comorbidity clearly tended to be lower. Age, smoking history, the heart beat rate, the systolic blood pressure, the distance in 6-minute walking test, and the serum C-reactive protein and fibrinogen levels were independent predictors of mortality in both COPD + CHD and COPD + H groups. Conclusion. The comorbidity of COPD + CHD and COPD + H is characterized by more severe clinical signs and symptoms of COPD, and decreased physical tolerance. Hypoxemia, heart remodeling, left and right ventricular diastolic dysfunction, and higher mortality risk were seen in both groups with comorbidity.ΠΡΠΎΠ±Π»Π΅ΠΌΠ° ΡΠΎΡΠ΅ΡΠ°Π½ΠΈΡ Ρ
ΡΠΎΠ½ΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΎΠ±ΡΡΡΡΠΊΡΠΈΠ²Π½ΠΎΠΉ Π±ΠΎΠ»Π΅Π·Π½ΠΈ Π»Π΅Π³ΠΊΠΈΡ
(Π₯ΠΠΠ) Ρ ΡΠ΅ΡΠ΄Π΅ΡΠ½ΠΎ-ΡΠΎΡΡΠ΄ΠΈΡΡΡΠΌΠΈ Π·Π°Π±ΠΎΠ»Π΅Π²Π°Π½ΠΈΡΠΌΠΈ (Π‘Π‘Π) Π² Π½Π°ΡΡΠΎΡΡΠ΅Π΅ Π²ΡΠ΅ΠΌΡ ΡΠ²Π»ΡΠ΅ΡΡΡ Π°ΠΊΡΡΠ°Π»ΡΠ½ΠΎΠΉ ΠΈ Π²ΡΠ΅ Π΅ΡΠ΅ Π½Π΅Π΄ΠΎΡΡΠ°ΡΠΎΡΠ½ΠΎ ΠΈΠ·ΡΡΠ΅Π½Π½ΠΎΠΉ. Π¦Π΅Π»ΡΡ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΡΠ²ΠΈΠ»ΠΎΡΡ ΠΈΠ·ΡΡΠ΅Π½ΠΈΠ΅ ΠΊΠ»ΠΈΠ½ΠΈΠΊΠΎ-ΡΡΠ½ΠΊΡΠΈΠΎΠ½Π°Π»ΡΠ½ΡΡ
ΠΏΡΠΎΡΠ²Π»Π΅Π½ΠΈΠΉ, ΠΎΡΠΎΠ±Π΅Π½Π½ΠΎΡΡΠ΅ΠΉ ΡΠ΅Π½ΡΡΠ°Π»ΡΠ½ΠΎΠΉ ΠΈ Π²Π½ΡΡΡΠΈΡΠ΅ΡΠ΄Π΅ΡΠ½ΠΎΠΉ Π³Π΅ΠΌΠΎΠ΄ΠΈΠ½Π°ΠΌΠΈΠΊΠΈ, ΠΏΡΠΎΠ³Π½ΠΎΡΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠ°ΠΊΡΠΎΡΠΎΠ² Ρ Π±ΠΎΠ»ΡΠ½ΡΡ
Π₯ΠΠΠ Π² ΡΠΎΡΠ΅ΡΠ°Π½ΠΈΠΈ Ρ Π‘Π‘Π. ΠΠ°ΡΠ΅ΡΠΈΠ°Π»Ρ ΠΈ ΠΌΠ΅ΡΠΎΠ΄Ρ. Π ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠ΅ Π²ΠΊΠ»ΡΡΠ΅Π½Ρ ΠΏΠ°ΡΠΈΠ΅Π½ΡΡ Ρ Π₯ΠΠΠ IIβIV ΡΡΠ΅ΠΏΠ΅Π½ΠΈ ΡΡΠΆΠ΅ΡΡΠΈ (n = 118: 111 ΠΌΡΠΆΡΠΈΠ½, 7 ΠΆΠ΅Π½ΡΠΈΠ½; ΡΡΠ΅Π΄Π½ΠΈΠΉ Π²ΠΎΠ·ΡΠ°ΡΡ β 59,50 Β± 0,63 Π³ΠΎΠ΄Π°, ΠΈΠ½Π΄Π΅ΠΊΡ ΠΊΡΡΠ΅Π½ΠΈΡ (ΠΠ) β 23,10 Β± 0,93 ΠΏΠ°ΡΠΊΠΎ-Π»Π΅Ρ, ΠΈΠ½Π΄Π΅ΠΊΡ ΠΌΠ°ΡΡΡ ΡΠ΅Π»Π° (ΠΠΠ’) β 27,2 Β± 9,06 ΠΊΠ³ / ΠΌ2). Π Ρ
ΠΎΠ΄Π΅ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΠΎΠ±ΡΠ»Π΅Π΄ΡΠ΅ΠΌΡΠ΅ Π±ΡΠ»ΠΈ ΡΠ°ΡΠΏΡΠ΅Π΄Π΅Π»Π΅Π½Ρ Π² 3 Π³ΡΡΠΏΠΏΡ: 1-Ρ (n = 37) β ΠΏΠ°ΡΠΈΠ΅Π½ΡΡ Ρ Π₯ΠΠΠ; 2-Ρ (n = 45) β Ρ Π₯ΠΠΠ Π² ΡΠΎΡΠ΅ΡΠ°Π½ΠΈΠΈ Ρ ΠΈΡΠ΅ΠΌΠΈΡΠ΅ΡΠΊΠΎΠΉ Π±ΠΎΠ»Π΅Π·Π½ΡΡ ΡΠ΅ΡΠ΄ΡΠ° (ΠΠΠ‘) ΠΏΡΠΈ ΡΡΠ°Π±ΠΈΠ»ΡΠ½ΠΎΠΉ ΡΡΠ΅Π½ΠΎΠΊΠ°ΡΠ΄ΠΈΠΈ Π½Π°ΠΏΡΡΠΆΠ΅Π½ΠΈΡ IIβIII ΡΡΠ½ΠΊΡΠΈΠΎΠ½Π°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΊΠ»Π°ΡΡΠ°; 3-Ρ (n = 36) β Ρ Π₯ΠΠΠ Π² ΡΠΎΡΠ΅ΡΠ°Π½ΠΈΠΈ Ρ Π°ΡΡΠ΅ΡΠΈΠ°Π»ΡΠ½ΠΎΠΉ Π³ΠΈΠΏΠ΅ΡΡΠ΅Π½Π·ΠΈΠ΅ΠΉ (ΠΠ) IβII ΡΡΠ΅ΠΏΠ΅Π½ΠΈ. Π Π΅Π·ΡΠ»ΡΡΠ°ΡΡ. ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ, ΡΡΠΎ ΡΠΎΡΠ΅ΡΠ°Π½ΠΈΠ΅ Π₯ΠΠΠ Ρ ΠΠΠ‘ ΠΈ ΠΠ Π½Π°Π±Π»ΡΠ΄Π°Π΅ΡΡΡ Ρ Π»ΠΈΡ Π±ΠΎΠ»Π΅Π΅ ΡΡΠ°ΡΡΠ΅Π³ΠΎ Π²ΠΎΠ·ΡΠ°ΡΡΠ°, Ρ Π±ΠΎΠ»Π΅Π΅ Π²ΡΡΠΎΠΊΠΈΠΌΠΈ ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»ΡΠΌΠΈ ΠΈΠ½ΡΠ΅Π½ΡΠΈΠ²Π½ΠΎΡΡΠΈ ΠΊΡΡΠ΅Π½ΠΈΡ ΠΈ ΠΠΠ’; ΠΏΡΠΈ ΡΡΠΎΠΌ ΠΎΡΠΌΠ΅ΡΠ°Π΅ΡΡΡ ΡΡΠΈΠ»Π΅Π½ΠΈΠ΅ Π½Π°ΡΡΡΠ΅Π½ΠΈΠΉ ΡΡΠ½ΠΊΡΠΈΠΈ Π²Π½Π΅ΡΠ½Π΅Π³ΠΎ Π΄ΡΡ
Π°Π½ΠΈΡ, ΠΊΠ»ΠΈΠ½ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΏΡΠΎΡΠ²Π»Π΅Π½ΠΈΠΉ Π₯ΠΠΠ, ΠΏΡΠΎΡΠ΅ΡΡΠΎΠ² ΡΠ΅ΠΌΠΎΠ΄Π΅Π»ΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΡΠ΅ΡΠ΄ΡΠ° ΠΈ Π΄ΠΈΠ°ΡΡΠΎΠ»ΠΈΡΠ΅ΡΠΊΠΎΠΉ Π΄ΠΈΡΡΡΠ½ΠΊΡΠΈΠΈ ΠΎΠ±ΠΎΠΈΡ
ΠΆΠ΅Π»ΡΠ΄ΠΎΡΠΊΠΎΠ². Π Π³ΡΡΠΏΠΏΠ΅ Π₯ΠΠΠ + ΠΠΠ‘ (ΡΡΠΎΠΊ Π½Π°Π±Π»ΡΠ΄Π΅Π½ΠΈΡ β 3 Π³ΠΎΠ΄Π°) ΠΎΡΠΌΠ΅ΡΠ΅Π½Π° ΡΠ΅ΡΠΊΠ°Ρ ΡΠ΅Π½Π΄Π΅Π½ΡΠΈΡ ΠΊ ΡΠ½ΠΈΠΆΠ΅Π½ΠΈΡ Π²ΡΠΆΠΈΠ²Π°Π΅ΠΌΠΎΡΡΠΈ Π±ΠΎΠ»ΡΠ½ΡΡ
. Π ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅ Π½Π΅Π·Π°Π²ΠΈΡΠΈΠΌΡΡ
ΠΏΡΠ΅Π΄ΠΈΠΊΡΠΎΡΠΎΠ² Π»Π΅ΡΠ°Π»ΡΠ½ΠΎΡΡΠΈ Π±ΠΎΠ»ΡΠ½ΡΡ
Π₯ΠΠΠ + ΠΠΠ‘ ΠΈ Π₯ΠΠΠ + ΠΠ Π²ΡΠ΄Π΅Π»Π΅Π½Ρ Π²ΠΎΠ·ΡΠ°ΡΡ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ², ΠΈΠ½ΡΠ΅Π½ΡΠΈΠ²Π½ΠΎΡΡΡ ΠΊΡΡΠ΅Π½ΠΈΡ, ΡΠ°ΡΡΠΎΡΠ° ΡΠ΅ΡΠ΄Π΅ΡΠ½ΡΡ
ΡΠΎΠΊΡΠ°ΡΠ΅Π½ΠΈΠΉ, ΡΡΠ΅ΠΏΠ΅Π½Ρ ΠΏΠΎΠ²ΡΡΠ΅Π½ΠΈΡ ΡΠΈΡΡΠΎΠ»ΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ Π°ΡΡΠ΅ΡΠΈΠ°Π»ΡΠ½ΠΎΠ³ΠΎ Π΄Π°Π²Π»Π΅Π½ΠΈΡ, ΡΠ΅Π·ΡΠ»ΡΡΠ°Ρ 6-ΠΌΠΈΠ½ΡΡΠ½ΠΎΠ³ΠΎ ΡΠ°Π³ΠΎΠ²ΠΎΠ³ΠΎ ΡΠ΅ΡΡΠ°, ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΠ΅ Π‘-ΡΠ΅Π°ΠΊΡΠΈΠ²Π½ΠΎΠ³ΠΎ Π±Π΅Π»ΠΊΠ°, ΡΠΈΠ±ΡΠΈΠ½ΠΎΠ³Π΅Π½Π°. ΠΠ°ΠΊΠ»ΡΡΠ΅Π½ΠΈΠ΅. Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ ΠΏΡΠΈ ΡΠΎΡΠ΅ΡΠ°Π½ΠΈΠΈ Π₯ΠΠΠ + ΠΠΠ‘ ΠΈ Π₯ΠΠΠ + ΠΠ ΡΡΠΈΠ»ΠΈΠ²Π°Π΅ΡΡΡ Π²ΡΡΠ°ΠΆΠ΅Π½Π½ΠΎΡΡΡ ΠΊΠ»ΠΈΠ½ΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠΈΠΌΠΏΡΠΎΠΌΠΎΠ² Π₯ΠΠΠ, ΡΠ½ΠΈΠΆΠ°Π΅ΡΡΡ ΠΏΠ΅ΡΠ΅Π½ΠΎΡΠΈΠΌΠΎΡΡΡ ΡΠΈΠ·ΠΈΡΠ΅ΡΠΊΠΈΡ
Π½Π°Π³ΡΡΠ·ΠΎΠΊ, Π½Π°Π±Π»ΡΠ΄Π°ΡΡΡΡ Π³ΠΈΠΏΠΎΠΊΡΠ΅ΠΌΠΈΡ, ΠΏΡΠΎΡΠ΅ΡΡΡ ΡΠ΅ΠΌΠΎΠ΄Π΅Π»ΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΠΌΠΈΠΎΠΊΠ°ΡΠ΄Π°, Π΄ΠΈΠ°ΡΡΠΎΠ»ΠΈΡΠ΅ΡΠΊΠ°Ρ Π΄ΠΈΡΡΡΠ½ΠΊΡΠΈΡ ΠΎΠ±ΠΎΠΈΡ
ΠΆΠ΅Π»ΡΠ΄ΠΎΡΠΊΠΎΠ², ΡΡΠΎ ΠΏΡΠΈΠ²ΠΎΠ΄ΠΈΡ ΠΊ ΡΠ²Π΅Π»ΠΈΡΠ΅Π½ΠΈΡ ΡΠΈΡΠΊΠ° Π»Π΅ΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΈΡΡ
ΠΎΠ΄Π°
ΠΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΠΈ ΡΠ»ΡΡΡΠ°Π·Π²ΡΠΊΠΎΠ²ΠΎΠΉ Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΠΊΠΈ ΠΏΠΎΠ²ΡΠ΅ΠΆΠ΄Π΅Π½ΠΈΡ Π»Π΅Π³ΠΊΠΈΡ ΠΏΡΠΈ SARS-CoV-2-ΠΈΠ½ΡΠ΅ΠΊΡΠΈΠΈ (COVID-19): ΡΠ»ΡΡΠ°ΠΉ ΠΈΠ· ΠΏΡΠ°ΠΊΡΠΈΠΊΠΈ
The article describes a clinical case demonstrating the results of the lungs ultrasound examination in theΒ COVID-19 patient during the acute period of the disease and early recovery period.ΠΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½ΠΎ ΠΊΠ»ΠΈΠ½ΠΈΡΠ΅ΡΠΊΠΎΠ΅ Π½Π°Π±Π»ΡΠ΄Π΅Π½ΠΈΠ΅, Π² ΠΊΠΎΡΠΎΡΠΎΠΌ Ρ Π±ΠΎΠ»ΡΠ½ΠΎΠΉ cΒ COVID-19 ΠΏΡΠΎΠ΄Π΅ΠΌΠΎΠ½ΡΡΡΠΈΡΠΎΠ²Π°Π½Ρ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ ΡΠ»ΡΡΡΠ°Π·Π²ΡΠΊΠΎΠ²ΠΎΠ³ΠΎ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ Π»Π΅Π³ΠΊΠΈΡ
Π² ΠΎΡΡΡΡΠΉ ΠΏΠ΅ΡΠΈΠΎΠ΄ ΡΠ°Π·Π²ΠΈΡΠΈΡ Π±ΠΎΠ»Π΅Π·Π½ΠΈ ΠΈ Π² ΡΠ°Π½Π½ΠΈΠΉ ΠΏΠ΅ΡΠΈΠΎΠ΄ Π²ΡΠ·Π΄ΠΎΡΠΎΠ²Π»Π΅Π½ΠΈΡ
ΠΠΌΠΏΡΠ»ΡΡΠ½Π°Ρ ΠΎΡΡΠΈΠ»Π»ΠΎΠΌΠ΅ΡΡΠΈΡ Π² Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΠΊΠ΅ Π½Π°ΡΡΡΠ΅Π½ΠΈΠΉ ΠΌΠ΅Ρ Π°Π½ΠΈΠΊΠΈ Π΄ΡΡ Π°Π½ΠΈΡ ΠΏΡΠΈ Ρ ΡΠΎΠ½ΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΎΠ±ΡΡΡΡΠΊΡΠΈΠ²Π½ΠΎΠΉ Π±ΠΎΠ»Π΅Π·Π½ΠΈ Π»Π΅Π³ΠΊΠΈΡ
Impulse oscillometry (IO) is an innovative method of diagnosing respiratory mechanics. However, there are many unexplored and contentious issues concerning changes in IO parameters, particularly in chronic obstructive pulmonary disease (COPD).The aim of the study was to compare IO with traditional pulmonary functional methods and to study its possibilities for diagnostics of respiratory mechanics disorders in patients with COPD.Methods. A cross-sectionalΒ cohort study was carried out, which included patients with COPD (n = 146: 137 (94%) men, 9 (6%) women; average age β 65 Β± 9 years) from 2 medical institutions of Moscow β Acad. N.N.Burdenko The Main Military Clinical Hospital, Ministry of Defense and Federal Pulmonology Research Institute, Federal Medical and Biological Agency of Russia. Patients were divided into 4 groups depending on the severity of COPD according to the criteria of the Global Initiative for Chronic Obstructive Lung Disease (GOLD): stage I was diagnosed in 8 patients, stage II β in 43, III β in 54, IV β in 41. The parameters of IO (resistive resistance at an oscillation frequency of 5 Hz (Rrs5) and 20 Hz (Rrs20), (Rrs5 β Rrs20), reactive resistance at an oscillation frequency of 5 Hz (Xrs5), area of reaction (AX), resonance frequency (fres) are analyzed; spirometry β forced expiratory volume in the 1st second (FEV1), forced vital capacity (FVC) and FEV1/FVC; Body plethysmography (total lung capacity, intrathoracic gas volume, residual volume, total respiratory resistance), lung diffusion capacity.Results. The parameters of IO (Rrs5, Rrs5 β Rrs20, AX, ΞXrs5, and fres) progressively increased from stage I to stage IV (GOLD) of airway obstruction, while statistically significant changes of Rrs20 were not detected. The parameters of the traditional methods of investigation of respiratory mechanics and IO were mainly moderately and strongly correlated. Conclusion IO can be used as an alternative method for assessing respiratory mechanics in COPD.ΠΠΌΠΏΡΠ»ΡΡΠ½Π°Ρ ΠΎΡΡΠΈΠ»Π»ΠΎΠΌΠ΅ΡΡΠΈΡ (ΠΠΠ) ΡΠ²Π»ΡΠ΅ΡΡΡ ΠΈΠ½Π½ΠΎΠ²Π°ΡΠΈΠΎΠ½Π½ΡΠΌ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠΌ Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΠΊΠΈ ΠΌΠ΅Ρ
Π°Π½ΠΈΠΊΠΈ Π΄ΡΡ
Π°Π½ΠΈΡ. ΠΠ΄Π½Π°ΠΊΠΎ ΠΎΡΡΠ°Π΅ΡΡΡ ΠΌΠ½ΠΎΠ³ΠΎ Π½Π΅ΠΈΠ·ΡΡΠ΅Π½Π½ΡΡ
ΠΈ ΡΠΏΠΎΡΠ½ΡΡ
Π²ΠΎΠΏΡΠΎΡΠΎΠ², ΠΊΠ°ΡΠ°ΡΡΠΈΡ
ΡΡ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΠΉ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΠΎΠ² ΠΠΠ, Π² ΡΠ°ΡΡΠ½ΠΎΡΡΠΈ, ΠΏΡΠΈ Ρ
ΡΠΎΠ½ΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΎΠ±ΡΡΡΡΠΊΡΠΈΠ²Π½ΠΎΠΉ Π±ΠΎΠ»Π΅Π·Π½ΠΈ Π»Π΅Π³ΠΊΠΈΡ
(Π₯ΠΠΠ).Π¦Π΅Π»ΡΡ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΡΠ²ΠΈΠ»ΠΎΡΡ ΡΡΠ°Π²Π½Π½ΠΈΠ΅ ΠΠΠ Ρ ΡΡΠ°Π΄ΠΈΡΠΈΠΎΠ½Π½ΡΠΌΠΈ Π»Π΅Π³ΠΎΡΠ½ΡΠΌΠΈ ΡΡΠ½ΠΊΡΠΈΠΎΠ½Π°Π»ΡΠ½ΡΠΌΠΈ ΠΌΠ΅ΡΠΎΠ΄Π°ΠΌΠΈ ΠΈ ΠΈΠ·ΡΡΠ΅Π½ΠΈΠ΅ Π΅Π΅ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΠ΅ΠΉ ΠΏΠΈ Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΠΊΠ΅ Π½Π°ΡΡΡΠ΅Π½ΠΈΠΉ ΠΌΠ΅Ρ
Π°Π½ΠΈΠΊΠΈ Π΄ΡΡ
Π°Π½ΠΈΡ Ρ Π±ΠΎΠ»ΡΠ½ΡΡ
Π₯ΠΠΠ.ΠΠ΅ΡΠΎΠ΄Ρ. ΠΡΠΎΠ²Π΅Π΄Π΅Π½ΠΎ ΠΏΠΎΠΏΠ΅ΡΠ΅ΡΠ½ΠΎΠ΅ ΠΊΠΎΠ³ΠΎΡΡΠ½ΠΎΠ΅ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠ΅, Π² ΠΊΠΎΡΠΎΡΠΎΠ΅ Π±ΡΠ»ΠΈ Π²ΠΊΠ»ΡΡΠ΅Π½Ρ ΠΏΠ°ΡΠΈΠ΅Π½ΡΡ Ρ Π₯ΠΠΠ (n= 146: 137 (94 %) ΠΌΡΠΆΡΠΈΠ½, 9 (6 %) ΠΆΠ΅Π½ΡΠΈΠ½; ΡΡΠ΅Π΄Π½ΠΈΠΉ Π²ΠΎΠ·ΡΠ°ΡΡ β 65 Β± 9 Π»Π΅Ρ) ΠΈΠ· 2 ΠΌΠ΅Π΄ΠΈΡΠΈΠ½ΡΠΊΠΈΡ
ΡΡΡΠ΅ΠΆΠ΄Π΅Π½ΠΈΠΉ ΠΠΎΡΠΊΠ²Ρ β Π€Π΅Π΄Π΅ΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ Π³ΠΎΡΡΠ΄Π°ΡΡΡΠ²Π΅Π½Π½ΠΎΠ³ΠΎ Π±ΡΠ΄ΠΆΠ΅ΡΠ½ΠΎΠ³ΠΎ ΡΡΡΠ΅ΠΆΠ΄Π΅Π½ΠΈΡ Β«ΠΠ»Π°Π²Π½ΡΠΉ Π²ΠΎΠ΅Π½Π½ΡΠΉ ΠΊΠ»ΠΈΠ½ΠΈΡΠ΅ΡΠΊΠΈΠΉ Π³ΠΎΡΠΏΠΈΡΠ°Π»Ρ ΠΈΠΌΠ΅Π½ΠΈ Π°ΠΊΠ°Π΄Π΅ΠΌΠΈΠΊΠ° Π.Π.ΠΡΡΠ΄Π΅Π½ΠΊΠΎΒ» ΠΠΈΠ½ΠΈΡΡΠ΅ΡΡΡΠ²Π° ΠΎΠ±ΠΎΡΠΎΠ½Ρ Π ΠΎΡΡΠΈΠΉΡΠΊΠΎΠΉ Π€Π΅Π΄Π΅ΡΠ°ΡΠΈΠΈΒ» ΠΈ Π€Π΅Π΄Π΅ΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ Π³ΠΎΡΡΠ΄Π°ΡΡΡΠ²Π΅Π½Π½ΠΎΠ³ΠΎ Π±ΡΠ΄ΠΆΠ΅ΡΠ½ΠΎΠ³ΠΎ ΡΡΡΠ΅ΠΆΠ΄Π΅Π½ΠΈΡ Β«ΠΠ°ΡΡΠ½ΠΎ-ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°ΡΠ΅Π»ΡΡΠΊΠΈΠΉ ΠΈΠ½ΡΡΠΈΡΡΡ ΠΏΡΠ»ΡΠΌΠΎΠ½ΠΎΠ»ΠΎΠ³ΠΈΠΈΒ» Π€Π΅Π΄Π΅ΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΌΠ΅Π΄ΠΈΠΊΠΎ-Π±ΠΈΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ Π°Π³Π΅Π½ΡΡΡΠ²Π°. ΠΠΎΠ»ΡΠ½ΡΠ΅ Π±ΡΠ»ΠΈ ΡΠ°Π·Π΄Π΅Π»Π΅Π½Ρ Π½Π° 4 Π³ΡΡΠΏΠΏΡ Π² Π·Π°Π²ΠΈΡΠΈΠΌΠΎΡΡΠΈ ΠΎΡ ΡΡΠ΅ΠΏΠ΅Π½ΠΈ ΡΡΠΆΠ΅ΡΡΠΈ Π₯ΠΠΠ ΡΠΎΠ³Π»Π°ΡΠ½ΠΎ ΠΊΡΠΈΡΠ΅ΡΠΈΡΠΌ ΠΠ»ΠΎΠ±Π°Π»ΡΠ½ΠΎΠΉ ΡΡΡΠ°ΡΠ΅Π³ΠΈΠΈ Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΠΊΠΈ, Π»Π΅ΡΠ΅Π½ΠΈΡ ΠΈ ΠΏΡΠΎΡΠΈΠ»Π°ΠΊΡΠΈΠΊΠΈ Π₯ΠΠΠ (Global Initiative for Chronic Obstructive Lung Disease β GOLD): I ΡΡΠ°Π΄ΠΈΡ Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΡΠΎΠ²Π°Π½Π° Ρ 8 ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΠ², IIβ Ρ 43, IIIβ Ρ 54, IVβ Ρ 41. ΠΡΠΎΠ°Π½Π°Π»ΠΈΠ·ΠΈΡΠΎΠ²Π°Π½Ρ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΡ ΠΠΠ (ΡΠ΅Π·ΠΈΡΡΠΈΠ²Π½ΠΎΠ³ΠΎ ΡΠΎΠΏΡΠΎΡΠΈΠ²Π»Π΅Π½ΠΈΡ Π½Π° ΡΠ°ΡΡΠΎΡΠ΅ ΠΎΡΡΠΈΠ»Π»ΡΡΠΈΠΉ 5 ΠΡ (Rrs5) ΠΈ 20 ΠΡ (Rrs20), (Rrs5 β Rrs20), ΡΠ΅Π°ΠΊΡΠΈΠ²Π½ΠΎΠ³ΠΎ ΡΠΎΠΏΡΠΎΡΠΈΠ²Π»Π΅Π½ΠΈΡ Π½Π° ΡΠ°ΡΡΠΎΡΠ΅ ΠΎΡΡΠΈΠ»Π»ΡΡΠΈΠΉ 5 ΠΡ (Xrs5), ΠΏΠ»ΠΎΡΠ°Π΄Ρ ΡΠ΅Π°ΠΊΡΠ°Π½ΡΠ° (ΠΠ₯), ΡΠ΅Π·ΠΎΠ½Π°Π½ΡΠ½Π°Ρ ΡΠ°ΡΡΠΎΡΠ° (fres); ΡΠΏΠΈΡΠΎΠΌΠ΅ΡΡΠΈΠΈ βΠΎΠ±ΡΠ΅ΠΌΠ° ΡΠΎΡΡΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠ³ΠΎ Π²ΡΠ΄ΠΎΡ
Π° Π·Π° 1-Ρ ΡΠ΅ΠΊΡΠ½Π΄Ρ (ΠΠ€Π1), ΡΠΎΡΡΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠΉ ΠΆΠΈΠ·Π½Π΅Π½Π½ΠΎΠΉ Π΅ΠΌΠΊΠΎΡΡΠΈ Π»Π΅Π³ΠΊΠΈΡ
(Π€ΠΠΠ) ΠΈ ΠΠ€Π1 / Π€ΠΠΠ; Π±ΠΎΠ΄ΠΈΠΏΠ»Π΅ΡΠΈΠ·ΠΌΠΎΠ³ΡΠ°ΡΠΈΠΈ (ΠΎΠ±ΡΠ°Ρ Π΅ΠΌΠΊΠΎΡΡΡ Π»Π΅Π³ΠΊΠΈΡ
, Π²Π½ΡΡΡΠΈΠ³ΡΡΠ΄Π½ΠΎΠΉ ΠΎΠ±ΡΠ΅ΠΌ Π³Π°Π·Π°, ΠΎΡΡΠ°ΡΠΎΡΠ½ΡΠΉ ΠΎΠ±ΡΠ΅ΠΌ, ΠΎΠ±ΡΠ΅Π΅ ΡΠΎΠΏΡΠΎΡΠΈΠ²Π»Π΅Π½ΠΈΠ΅ Π΄ΡΡ
Π°ΡΠ΅Π»ΡΠ½ΡΡ
ΠΏΡΡΠ΅ΠΉ), Π΄ΠΈΡΡΡΠ·ΠΈΠΎΠ½Π½ΠΎΠΉ ΡΠΏΠΎΡΠΎΠ±Π½ΠΎΡΡΠΈ Π»Π΅Π³ΠΊΠΈΡ
.Π Π΅Π·ΡΠ»ΡΡΠ°ΡΡ. ΠΠ°ΡΠ°ΠΌΠ΅ΡΡΡ ΠΠΠ (Rrs5, Rrs5 β Rrs20, AX, ΞXrs5 ΠΈ fres) ΠΏΡΠΎΠ³ΡΠ΅ΡΡΠΈΠ²Π½ΠΎ ΡΠ²Π΅Π»ΠΈΡΠΈΠ²Π°Π»ΠΈΡΡ Ρ IΠΏΠΎ IVΡΡΠ°Π΄ΠΈΡ (GOLD) ΠΎΠ±ΡΡΡΡΠΊΡΠΈΠΈ Π΄ΡΡ
Π°ΡΠ΅Π»ΡΠ½ΡΡ
ΠΏΡΡΠ΅ΠΉ, ΡΠΎΠ³Π΄Π° ΠΊΠ°ΠΊ ΡΡΠ°ΡΠΈΡΡΠΈΡΠ΅ΡΠΊΠΈ Π·Π½Π°ΡΠΈΠΌΡΡ
ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΠΉ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΠ° Rrs20 Π½Π΅ Π²ΡΡΠ²Π»Π΅Π½ΠΎ. ΠΠ΅ΠΆΠ΄Ρ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΠ°ΠΌΠΈ ΡΡΠ°Π΄ΠΈΡΠΈΠΎΠ½Π½ΡΡ
ΠΌΠ΅ΡΠΎΠ΄ΠΎΠ² ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΠΌΠ΅Ρ
Π°Π½ΠΈΠΊΠΈ Π΄ΡΡ
Π°Π½ΠΈΡ ΠΈ ΠΠΠ Π½Π°Π±Π»ΡΠ΄Π°Π»ΠΈΡΡ ΠΏΡΠ΅ΠΈΠΌΡΡΠ΅ΡΡΠ²Π΅Π½Π½ΠΎ ΡΠΌΠ΅ΡΠ΅Π½Π½ΡΠ΅ ΠΈ ΡΠΈΠ»ΡΠ½ΡΠ΅ ΠΊΠΎΡΡΠ΅Π»ΡΡΠΈΠΎΠ½Π½ΡΠ΅ ΡΠ²ΡΠ·ΠΈ.ΠΠ°ΠΊΠ»ΡΡΠ΅Π½ΠΈΠ΅. ΠΠΠ ΠΌΠΎΠΆΠ΅Ρ Π±ΡΡΡ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½Π° Π² ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅ Π°Π»ΡΡΠ΅ΡΠ½Π°ΡΠΈΠ²Π½ΠΎΠ³ΠΎ ΠΌΠ΅ΡΠΎΠ΄Π° ΠΎΡΠ΅Π½ΠΊΠΈ ΠΌΠ΅Ρ
Π°Π½ΠΈΠΊΠΈ Π΄ΡΡ
Π°Π½ΠΈΡ ΠΏΡΠΈ Π₯ΠΠΠ
Crystallization of Ti33Cu67 metallic glass under high-current density electrical pulses
We have studied the phase and structure evolution of the Ti33Cu67 amorphous alloy subjected to electrical pulses of high current density. By varying the pulse parameters, different stages of crystallization could be observed in the samples. Partial polymorphic nanocrystallization resulting in the formation of 5- to 8-nm crystallites of the TiCu2 intermetallic in the residual amorphous matrix occurred when the maximum current density reached 9.7Β·108 A m-2 and the pulse duration was 140 ΞΌs, though the calculated temperature increase due to Joule heating was not enough to reach the crystallization temperature of the alloy. Samples subjected to higher current densities and higher values of the evolved Joule heat per unit mass fully crystallized and contained the Ti2Cu3 and TiCu3 phases. A common feature of the crystallized ribbons was their non-uniform microstructure with regions that experienced local melting and rapid solidification
- β¦