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Search Results: 1 - 10 of 540532 matches for " M.L. Kenzhaev "
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Prevention of left ventricle systolic dysfunction in patients with acute coronary syndrome with ST segment elevation after cardiac revascularization
A.L. Alyavi,B.A. Alyavi,M.L. Kenzhaev,S.R. Kenzhaev
Rational Pharmacotherapy in Cardiology , 2009,
Abstract: Aim. To study effects of bioflavonoid quercetin (corvitin) on left ventricle (LV) systolic dysfunction in patients with acute coronary syndrome with ST segment elevation (ACS+ST) after cardiac revascularization.Material and methods. 60 patients with ACS+ST (44,2±1,3 y.o.) were examined. Patients were admitted to hospital within 6 hours after complaints beginning. Patients were randomized in two groups. 30 patients of group A had standard therapy and cardiac revascularization. 30 patients of group B received corvitin additionally to standard therapy before cardiac revascularization. Echocardiography initially and stress-echocardiography with dobutamine after status stabilization (at 8-10 days of disease) were performed.Results. Dobutamine test (with low and high doses) showed myocardial viability in patients of group B. Patients of group A had irreversible LV systolic dysfunction in 32 % of segments. Corvitin slowed down LV dilatation progression in patients with ACS+ST. It resulted in the end-diastolic and end-systolic indexes did not change within 10 days. The LV ejection fraction was more increased in patients of group B in comparison with patients of group A.Conclusion. The early corvitin prescribing has positive effects on LV systolic function and prevents post-reperfusion complications.
Modelo matemático predictivo del crecimiento de Escherichia coli O157 en carne vacuna
InVet , 2008,
Abstract: the aim of this study was modeled escherichia coli o157 growth in beef hamburger as part of a quantitative risk assessment. scientific articles that presented a complete pathogen growth model in meat depending on the temperature and two tertiary predictive models were selected. since they were generated data of lag phase (?) and growth rate (μ) in a range of temperatures (5 ° c to 34 ° c) and ph (5.6 - 6.5), and were obtained the linear relationship between each parameter and temperature. linear equations in probability distributions for each parameter were included and ran a model for analyzing the behavior of lag-exponential and gompertz equations in predicting e. coli o157 growth. the methodology exposed allows including different environmental conditions present in the meat throughout the process, taking into account the variability and uncertainty in the microbial growth parameters. gompertz microbiological model generated better results, because consider the bacteria concentration on the stationary growth phase, preventing obtain extremely high values.
Evaluation of the addition of ascorbic acid to the ration of cultivated Piaractus mesopotamicus (Characidae) on the infrapopulation of Anacanthorus penilabiatus (Monogenea)
Martins, M.L.;
Brazilian Journal of Medical and Biological Research , 1998, DOI: 10.1590/S0100-879X1998000500008
Abstract: sixty piaractus mesopotamicus holmberg, 1887 (pacu) fry fed a diet containing 0, 50, 100 and 200 mg ascorbic acid/kg dry feed were studied to evaluate the effect on parasitic infestation by the monogenean anacanthorus penilabiatus boeger, husak and martins, 1995 (monogenea: dactylogyridae) for a period of 24 weeks. the temperature of the aquaria was measured daily and remained between 28 and 31oc. at the beginning of the experiment, fish showed 6.15 ± 0.33 cm standard length and 8.64 ± 1.62 g average body weight. a sample of fish was examined and showed 43 ± 17 monogeneans per fish. at the end of the experiment, the gills of control and vitamin c-treated fish were collected for parasite counts. control fish had 42.5 parasites per fish, a significantly higher number (p<0.05) when compared with fish fed vitamin c, that showed 16.5 parasites per fish. ascorbic acid fortification in the food promoted an increase in fish resistance to parasites. it is suggested that an optimum level of 139 mg/kg vitamin c supplementation either elicited better nutritional conditions by stimulating the appetite of the fish or improved the immune response.
Bloqueos diagnóstico-terapéuticos de carillas articulares cervicales
Revista de la Sociedad Espa?ola del Dolor , 2009,
Abstract: cervical pain is experienced by 66% of adults during their lifetime and by 54% in the previous 6 months. only 5% will experience intense chronic pain with functional disability. eighty percent of cervical pain is produced by skeletal or muscular lesions as a result of disc and facet degeneration. external causative agents include trauma, overweight, occupational demands, stress, etc. diagnosis of cervical pain is mainly based on physical examination and clinical findings. in cervical pain radiating to the neck, scapulohumeral girdle and upper right arm without a radicular pattern and positive examination of the facet joints, diagnostic-therapeutic facet joint blocks are indicated. the present article describes the anatomy of the cervical region. knowledge of this region is essential to guarantee good results and to minimize risks. the indications and practical features of the technique are also discussed.
Causes and management of diarrhoea in children in a clinical setting
M.L Cooke
South African Journal of Clinical Nutrition , 2010,
Abstract: Diarrhoeal disease and its complications remain a major cause of morbidity and mortality in children, especially in developing countries. Diarrhoea is characterised by an increased frequency and volume, and decreased consistency of stool from the norm. Pathogens vary between developed and developing world settings. Rotavirus diarrhoea is the most important aetiological agent implicated in severe dehydrating diarrhoea. Although it is important to recognise the specific microbiological causation of diarrhoea in order to target appropriate treatment, the broader preventive aspects put forward by the World Health Organization (WHO) indicate the fundamental contributors to the massive burden of disease in developing countries. The management of a child presenting with acute diarrhoea must include a thorough history and examination with evaluation of hydration status, nutritional status and comprehensive clinical evaluation for any complications or associated illnesses. The most recent advances in the area of acute diarrhoeal disease include zinc supplementation, reduced osmolarity oral rehydration solution (ORS) and rotavirus vaccination.
Micromorphology of the springbok louse Damalinia (Tricholipeurus) antidorcus found at the Rietvlei Nature Reserve near Pretoria, South Africa
M.L. Turner
Koedoe : African Protected Area Conservation and Science , 2006, DOI: 10.4102/koedoe.v49i1.106
Abstract: This report provides additional information on the morphology of Damalinia (Tricholipeurus) antidorcus, previously described only by light microscopy. Live lice were collected and prepared for viewing by SEM. Micromorphological features investigated included aspects of the forehead, mandibles and spiracles. The average length of the males was 2.0 mm and females 2.04 mm. The anterior hyalin region of the head was notably emarginated. Awell-developed medial groove on the ventral surface of the head between the mandibles was noted. The surface of the epipharynx was smooth. The labrum with its typical scale-like appearance gradually changed into the pulvinal area of the clypeus. Both genders had notched left mandibles. The mandibles were highly serrated on the oral surfaces. Situated ventrally below and caudal to the mandibles were a pair of labial palpi. The immediate area between, and surrounding the labial palpi was littered with numerous spiked setae and two well developed larger setae raised at their bases. The tips of the palpi bore three larger and longer sensory setae. Palpi of this nature are described here for the first time in D. antidorcus.
The micromorphology of the blesbuck louse Damalinia (Damalinia) crenelata as observed under the scanning electron microscope
M.L. Turner
Koedoe : African Protected Area Conservation and Science , 2003, DOI: 10.4102/koedoe.v46i1.45
Abstract: The blesbuck is an important game animal on many game farms and reserves in South Africa. Damalinia crenelata, a biting louse, host-specific to the blesbuck, feed upon epidermal debris of this antelope, leading to severe skin irritation and dermatitis. Symptomatic scratching by the host aggravates these conditions. High infestations may lead to decreased population numbers. Live lice were collected from a blesbuck in the Rietvlei Nature Reserve and prepared for selectron microscopic investigation. Micrographs were recorded. The SEM investigation revealed several micromorphological features not previously described in D. crenelata. Besides the obvious anatomical differences in the reproductive organs of the male and female, several other differences were noted. The antennal flagellae showed morphological differences as well as certain features on the ventral surfaces of the head. Dorsally the forehead was markedly emarginated and showed an acute invagination (clypeo labral suture) in the pulvinal area. The ventral surface of the head clearly demonstrated the structures of the preantennal regions such as ventral carina, pulvinus, labrum, mandibles and clypeus. The epipharynx appeared as an underlying extension of the labrum. The rims of the clypeus were more raised and thickened in the female than in that of the male. The mandibles were not notched and were noted to be angular in shape. The three segments of each of the antennae of the male were thicker and more robust than than those of the female. This could suggest sexual dimorphism in this species. The sensilla basoconica comprised 10 pegs. Pit organs were seen within the pore organs. The prothorax and mesothorax were clearly distinguished. The abdominal segments showed six pairs of spiracles. The male andfemale terminalia were confirmed to be strongly sexually dimorphic. The three pairs oflegs each terminated in a single, long and slender, claw.
Die religieuse grondslag van ons omgewingskrisis
M.L. Hugo
Koers : Bulletin for Christian Scholarship , 1975, DOI: 10.4102/koers.v40i1.810
Abstract: Die mensdom is besig om sy habitat op so ’n wyse te misbruik en te besoedel dat sy toekoms op hierdie planet duister is. In die woorde van White “.. surely no creature other than man has ever managed to foul its nest in such short order”. Hierdie stelling is nie oordrewe nie soos blyk uit die vloedgolf van literatuur wat tans verskyn oor hierdie kwessie. Miskien die sprekendste titel onder hierdie bronne wat onlangs verskyn het, is dié onder redaksie van Anderson: “OMEGA: Murder of the Ecosystem and Suicide of Man.”
The Influence of Structural and Geometrical Parameters of the Left Ventricle on Postoperative Lethality and Hypertrophy Regression after Aortic Valve Replacement
M.L. Kalinina
Sovremennye Tehnologii v Medicine , 2011,
Abstract: The aim of the investigation is to study the influence of echocardiological parameters of the left ventricle (LV) on lethality and reversion of LV remodelation in the long-term period after aortic valve replacement for aortic valve failure. Materials and methods. 154 patients were included into the study: 86 patients with aortic stenosis (56%), 68 — with aortic insufficiency (44%). Echocardiogram consisted of the following measurements: end-diastolic LV dimension, the thickness of posterior wall and interventricular septum. There were determined end-diastolic and end-systolic volumes and ejection fraction, myocardium mass, LV wall relative thickness index. Results. Four LV structural and geometrical types (SGT) were distinguished. The best results of LV hypertrophy regression were observed in SGT-II group (aortic stenosis with moderate hypertrophy). In hospital period the patients with SGT-III (aortic stenosis with LV marked hypertrophy) and those with SGT-IV (aortic stenosis with LV dilatation) had the same lethality risk. In a long-term period high lethality was revealed in the patients with SGT-IV. Conclusion. The use of LV structural and geometrical types enables to make prognoses about the risk and the results of aortic valve failure correction.
Writing a paper for journal submission – Some keys to success.
M.L. Jones
Hellenic Orthodontic Review , 2003,
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