41 research outputs found
Комплексные наземные геофизические исследования с целью поисков золотого оруденения на флангах Раздолинской площади (Красноярский край)
Данный проект состоит из следующих частей: общей, проектной, специальной, технико-экономической. Общая часть содержит сведения о географическом положении, климатических особенностях, геологических особенностях проектируемого участка. В проектной части производится выбор объекта исследования, комплекса для проведения работ. Рассматриваются: методика и техника проведения геофизических исследований, методика интерпретации геофизических данных. В специальной части рассматривается метод электроразведки МПП.
Технико-экономическая часть включает главы, которые отражают организационно-экономические вопросы проведения геофизических работ, расчет и обоснование стоимости проекта, а также применяемые мероприятия по обеспечению экологической устойчивости и безопасности жизнедеятельности.This project consists of the following parts: General, project, special, technical and economic.
The General part contains information about the geographical location, climatic features, geological features of the structure Sulfides. In the design part is the choice of the object of study, the complex for work. Methods and techniques of geophysical research, methods of interpretation of geophysical data are considered. In a special part the method of electrical prospecting of MPP is considered.
The technical and economic part includes chapters that reflect the organizational and economic issues of geophysical works, calculation and justification of the project cost, as well as the measures used to ensure environmental sustainability and safety
Epidemiology of invasive group B streptococcal disease in infants from urban area of South China, 2011–2014
YesBackground: Group B Streptococcus (GBS) is a leading cause of morbidity and mortality in infants in both
developed and developing countries. To our knowledge, only a few studies have been reported the clinical
features, treatment and outcomes of the GBS disease in China. The severity of neonatal GBS disease in China
remains unclear. Population-based surveillance in China is therefore required.
Methods: We retrospectively collected data of <3 months old infants with culture-positive GBS in sterile samples
from three large urban tertiary hospitals in South China from Jan 2011 to Dec 2014. The GBS isolates and their
antibiotic susceptibility were routinely identified in clinical laboratories in participating hospitals. Serotyping and
multi-locus sequence typing (MLST) were also conducted for further analysis of the neonatal GBS disease.
Results: Total 70 cases of culture-confirmed invasive GBS infection were identified from 127,206 live births born in
studying hospitals, giving an overall incidence of 0.55 per 1000 live births (95% confidence interval [CI] 0.44–0.69).
They consisted of 49 with early-onset disease (EOD, 0.39 per 1000 live births (95% CI 0.29–0.51)) and 21 with
late-onset disease (LOD, 0.17 per 1000 live births (95% CI 0.11–0.25)). The incidence of EOD increased significantly over
the studying period. Five infants (4 EOD and 1 LOD) died before discharge giving a mortality rate of 7.1% and five
infants (7.1%, 2 EOD and 3 LOD) had neurological sequelae. Within 68 GBS isolates from GBS cases who born in the
studying hospitals or elsewhere, serotype III accounted for 77.9%, followed by Ib (14.7%), V (4.4%), and Ia (2.9%). MLST
analysis revealed the presence of 13 different sequence types among the 68 GBS isolates and ST-17 was the most
frequent sequence type (63.2%). All isolates were susceptible to penicillin, ceftriaxone, vancomycin and linezolid, while
57.4% and 51.5% were resistant to erythromycin and clindamycin, respectively.
Conclusions: This study gains the insight into the spectrum of GBS infection in south China which will facilitate the
development of the guidance for reasonable antibiotics usage and will provide evidence for the implementation of
potential GBS vaccines in the future.Supported by medical and health science and technology projects of Health and Family Planning Commission of Guangzhou Municipality (grant number 20151A010034) and Guangdong provincial science and technology planning projects (grant number 2014A020212520)
Determination of nutrient salts by automatic methods both in seawater and brackish water: the phosphate blank
9 páginas, 2 tablas, 2 figurasThe main inconvenience in determining nutrients in seawater by automatic methods is simply solved:
the preparation of a suitable blank which corrects the effect of the refractive index change on the recorded
signal. Two procedures are proposed, one physical (a simple equation to estimate the effect) and the other
chemical (removal of the dissolved phosphorus with ferric hydroxide).Support for this work came from CICYT (MAR88-0245 project) and
Conselleria de Pesca de la Xunta de GaliciaPeer reviewe
Endocrine and Growth Abnormalities in 4H Leukodystrophy Caused by Variants in POLR3A, POLR3B, and POLR1C.
CONTEXT: 4H or POLR3-related leukodystrophy is an autosomal recessive disorder typically characterized by hypomyelination, hypodontia, and hypogonadotropic hypogonadism, caused by biallelic pathogenic variants in POLR3A, POLR3B, POLR1C, and POLR3K. The endocrine and growth abnormalities associated with this disorder have not been thoroughly investigated to date. OBJECTIVE: To systematically characterize endocrine abnormalities of patients with 4H leukodystrophy. DESIGN: An international cross-sectional study was performed on 150 patients with genetically confirmed 4H leukodystrophy between 2015 and 2016. Endocrine and growth abnormalities were evaluated, and neurological and other non-neurological features were reviewed. Potential genotype/phenotype associations were also investigated. SETTING: This was a multicenter retrospective study using information collected from 3 predominant centers. PATIENTS: A total of 150 patients with 4H leukodystrophy and pathogenic variants in POLR3A, POLR3B, or POLR1C were included. MAIN OUTCOME MEASURES: Variables used to evaluate endocrine and growth abnormalities included pubertal history, hormone levels (estradiol, testosterone, stimulated LH and FSH, stimulated GH, IGF-I, prolactin, ACTH, cortisol, TSH, and T4), and height and head circumference charts. RESULTS: The most common endocrine abnormalities were delayed puberty (57/74; 77% overall, 64% in males, 89% in females) and short stature (57/93; 61%), when evaluated according to physician assessment. Abnormal thyroid function was reported in 22% (13/59) of patients. CONCLUSIONS: Our results confirm pubertal abnormalities and short stature are the most common endocrine features seen in 4H leukodystrophy. However, we noted that endocrine abnormalities are typically underinvestigated in this patient population. A prospective study is required to formulate evidence-based recommendations for management of the endocrine manifestations of this disorder
Probable idiopathic intracranial hypertension in pre-pubertal children.
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Seasonal variation and atypical presentation of idiopathic intracranial hypertension in pre-pubertal children.
Contains fulltext :
52130.pdf (publisher's version ) (Closed access)Idiopathic intracranial hypertension is an enigmatic disorder of elevated cerebrospinal fluid pressure. In adulthood, patients are typically obese women of childbearing age; however, in young children the clinical picture is strikingly different, indicating age-related differences in the aetiology of idiopathic intracranial hypertension. To investigate this phenomenon, we analysed the clinical details of 15 pre-pubertal children with the diagnosis of idiopathic intracranial hypertension. Evaluating the date of initial presentation, we discovered a distinct seasonal variation. Ten patients presented between November and March, thus coinciding with the typical season of paediatric viral and bacterial infections in Germany. Therefore, we suggest an association between intracranial hypertension and possibly concurrent infections in these children. Moreover, eight children presented only with ophthalmologic findings without any other obvious symptoms, raising questions regarding the incidence of undetected cases, particularly in this age group
Pseudotumor Cerebri
Pseudotumor cerebri is characterized by increased intracranial pressure and papilledema, with an essentially normal neurologic examination. The major complication is visual loss. Many patients will have spontaneous remissions. The main method of following patients with pseudotumor cerebri is repeated visual field measurements. Several modes of treatment have been described, but their value is unclear
A large outbreak of influenza B-associated benign acute childhood myositis in Germany, 2007/2008
Benign acute childhood myositis (BACM) is a rare syndrome associated with various viral infections. Bilateral calve pain may lead to inability to walk. During winter 2007/2008, we investigated a nationwide outbreak of influenza-associated BACM (IA-BACM) to identify etiologic (sub)type, describe the course of disease, and explore how well the syndrome is known among physicians