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Your search keyword '"V. A. Griva"' showing total 4 results
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4 results on '"V. A. Griva"'

1. Cerebrocostomandibular syndrome in four sibs, two pairs of twins

Author

V Soubassi-Griva, A Andreou, M Pandouraki, and V Drossou-Agakidou

Subjects
Male, Pediatrics, medicine.medical_specialty, Ribs, symbols.namesake, Jaw Abnormalities, Diseases in Twins, Genetics, medicine, Humans, Abnormalities, Multiple, Jaw abnormality, Family history, Genetics (clinical), Rib cage, business.industry, Respiratory disease, Brain, Syndrome, medicine.disease, Pedigree, Perinatal asphyxia, Cerebrocostomandibular syndrome, Mendelian inheritance, symbols, Female, business, Research Article, High penetrance
Abstract

We report four sibs, two pairs of twins, with cerebrocostomandibular syndrome (CCMS). The family history was negative. All four babies had the characteristic features of CCMS, including Pierre-Robin anomalad and rib dysplasia. Cerebral involvement was evident in two of the patients who had suffered perinatal asphyxia. The presence of the syndrome in all four sibs together with the negative family history in previous generations is consistent with Mendelian autosomal recessive inheritance with high penetrance.

Published
1991
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2. Investigation of the laws of ignition of titanium powders

Author

V. I. Rozenband, V. A. Griva, and E. V. Chernenko

Subjects
Chemistry, General Chemical Engineering, Metallurgy, Inorganic chemistry, General Physics and Astronomy, Energy Engineering and Power Technology, chemistry.chemical_element, Autoignition temperature, General Chemistry, law.invention, Volumetric flow rate, Ignition system, Titanium powder, Condensed Matter::Materials Science, Minimum ignition energy, Fuel Technology, Physics::Plasma Physics, law, Heat transfer, Metal powder, Condensed Matter::Strongly Correlated Electrons, Physics::Chemical Physics, Titanium
Abstract

The study of the ignition characteristics of powders of the refractory transition metals is of scientific and practical importance. It is of interest to investigate the effect on the ignition process of such parameters as the composition of the gaseous oxidizer, the heat transfer conditions, the specimen dimensions, and the grade of metal powder. The article is devoted to the question of the ignition of transition metal powders, with titanium serving as an example. On the basis of the experimental data, several conclusions may be drawn. First, it was found that nitrogen has a chemical effect on the ignition of titanium powder in air only in the presence of an oxygen deficit. Second, a gas flow has a significant effect on the critical ignition temperature, reducing it at low and increasing it at high gas flow rates. It was further found that the titanium powder ignition process can develop in the autoignition and external ignition regimes. Generally good agreement was found between the theoretical and experimental values of the critical ignition temperature for titanium powder.

Published
1982
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4. Customized compared to population-based centiles for detecting term small for gestational age infants in Greece.

Author

D., Rallis, P., Karagianni, E., Papaharalambous, M., Lithoxopoulou, I., Chatziioannidis, and V., Soubasi-Griva

Subjects
*SMALL for gestational age, *PERCENTILES, *RECEIVER operating characteristic curves, *INFANTS, *REGRESSION analysis
Abstract

Background: Applying customized centiles may improve the accuracy of detecting small for gestational age (SGA) infants; however, the evidence is inconclusive whether adjusted centiles are more sensitive in identifying infants at increased risk of morbidity. We aimed to examine the validity of customized centiles in a Greek cohort and evaluate their performance compared to population-based centiles in predicting infants at risk of increased morbidity. Methods: We prospectively recorded the neonatal and maternal characteristics of singleton, low-risk, term infants over a year. Infants were defined as SGA if their birth weight was under the tenth centile, classified both by population-based centiles and customized centiles, adjusted for maternal and innate factors. We performed a comparative analysis utilizing linear regression analysis and calculating the receiver operating characteristics (ROC) curves. Results: Overall 657 infants were identified. Population-based centiles detected 42 (6 %) SGA infants, while customized centiles 80 (12 %). Perinatal morbidity was associated with an odds ratio of 1.02 with customized centiles [95 % confidence interval (CI): 1.01-1.04] and with an odds ratio of 1.02 with population-based centiles (95 % CI: 1.02-1.02). In predicting perinatal morbidity, no significant difference was detected between customized centiles [area under the ROC curve 0.773 (95 % CI: 0.699-0.847)] and population-based centiles [area under the ROC curve 0.737 (95 % CI: 0.662-0.813)] (p =0.272). Conclusions: Customized centiles provided increased accuracy in comparison to the population-based centiles in detecting SGA term infants. However, customized centiles had no better impact on predicting a poor perinatal outcome. [ABSTRACT FROM AUTHOR]

Published
2020

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