To identify predictors of fatal outcome in hospitalized patients with risk factors (RF) for pulmonary artery thromboembolism (PATE) during its occurrence.
To determine predictors of fatal outcome in ...patients with PATE, the data of a 10-year city hospital pulmonary embolism registry were used to analyze RF for PATE (according to European and Russian guidelines), complaints, medical histories, and laboratory and instrumental data, which can be identified at general surgery or general therapy hospital, as well as a nosological entity existing in the patients.
According to the existing idea on thrombogenesis, RF for PATE and its fatal outcome, information about used treatment, and autopsy data, 137 parameters were selected in patients with PATE. For estimating the risk of death in patients with PATE, a logistic regression analysis was employed to make a mathematical model encompassing 10 indicators: bed rest; the presence/absence of lung diseases; chronic venous insufficiency; obesity; the symptom complex of cor pulmonale; postinfarction cardiosclerosis of the left ventricle, pericardial effusion; right atrial dilatation; right ventricular dilation; right ventricular systolic pressure >36 mm Hg as evidenced by echocardiography.
The mathematical model built during the study allows the calculation of a risk for fatal outcome in the development of PATE for a specific patient in terms of its individual characteristics.
Native GaN and AlN substrates cut out of single-crystal boules provide threading dislocations in on-grown III-nitride materials with the density much lower than that observed in structures on ...conventional sapphire or SiC wafers. The native substrates are also expected to enable an easy choice of growth surface orientation that controls the crystal polarity and, hence, the distribution of polarization charges in a nitride heterostructure. The impact of these factors on the bandgap engineering of advanced electronic and optoelectronic devices is discussed in this paper in terms of numerical simulation with the focus on high-electron mobility transistors and light-emitting diodes.
Using the 1.32
pb
-
1
statistics collected at the
J
/
ψ
peak with the KEDR detector at the VEPP-4M
e
+
e
-
collider, we measured the branching fractions of
J
/
ψ
meson decays to the final states 2(
π
...+
π
-
)
π
0
,
K
+
K
-
π
+
π
-
π
0
, 2(
π
+
π
-
)
and
K
+
K
-
π
+
π
-
. The results obtained for the decays
J
/
ψ
→
2(
π
+
π
-
)
π
0
,
J
/
ψ
→
K
+
K
-
π
+
π
-
π
0
contradict the measurements performed by other groups in the last century, but agree well with recent results of BABAR and BESIII collaborations.
The Tunka-HISCORE wide-angle Cherenkov array, one part of the planned TAIGA integrated gamma observatory intended for investigations in the field of high-energy (>30 TeV) gamma-ray astronomy and ...cosmic-ray physics, is deployed in the Tunka Valley (Buryat Republic). The first results from operating a prototype array composed of nine stations spread over an area of ∼0.1 square kilometers during the winter of 2013–2014 are presented. Data processing techniques are described, along with data on the accuracy of reconstructing the position of a shower’s axis, energy, and angle of arrival. The differential spectrum of all cosmic-ray particles in a shower in the energy range of 2 × 10
14
to 2 × 10
16
eV is presented and compared to the available data.
To reveal possible predictors of thrombosis in the right cardiac chambers and to build a mathematical model to estimate the probability of thrombi in them in patients with thromboembolism of the ...pulmonary artery branches.
The data of autopsy protocols and case histories were analyzed in'157 patients in whom the source of thromboembolism had been right cardiac chambers according to postmortem evidence. A logistic regression method was used to create a probability model.
The findings were used to select 69 indicators--possible provokers of thrombosis and accordingly predictors of thrombi in the right cardiac chambers. A mathematical model--a formula to estimate the probability of thrombi in the right cardiac chambers--was made. It comprised 8 indicators: weight, height, pericardial fluid, right atrial dilatation, right ventricular wall thickness, a left or right ventricular apical scar, a concomitant inflammatory process, and concurrent diabetes mellitus. CONCLUSION; The application of the developed formula may assist in identifying a group of patients who have the highest probability of thrombi in the right cardiac chambers and accordingly must undergo a more in-depth examination.
PDF
