bluuebunny/crossref_metadata_2025 huggingface dataset:
Results of Practical Use of Fertilizers from Chicken Manure in Winter Wheat Cultivation
Authors: Sibagatullin F.S. , Khaliullina Z.M. , Minnikhanov R.R. , Ganiev A.S. , Gayfullin I.Kh.
Published: October 2021

The article considers utilization of organic waste from poultry farming being an urgent problem of agriculture. Leaders of large poultry farms are interested in using low-cost recycling schemes aimed to process waste into safe products in a short time. This paper considers the possibility of using an organic fertilizer “Soil Improver (UP-1)” obtained by processing poultry waste by using a biologically active additive Mefosfon, which is a melamine salt of bis (oxymethyl) phosphinic acid. Field tests were carried out in 2019-2020 on the lands of OAO “Agrofirma “Ak Bars-Pestretsy” being the branch of the Poultry farm of the Pestrechinsky district of the Republic of Tatarstan. The object of the study was the recognized variety of soft winter wheat “Scepter” ES (elite variety). The rate of application of chicken compost and organic product UP-1 in the control and experimental plots was 56 tons per 1 ha. The experimental data show that wheat cultivated with the application of UP-1 compost was distinguished by higher rates of field germination (increased by 13 %); the length of secondary roots was 11.2 % greater compared to control. The grain produced in this variant had higher hardness (control – 62 %, UP-1 – 72 %) and the quality of crud gluten (74.0, 78.0 %, respectively), the yield of winter wheat grain – by 0.06–0.12 t/ha (1.2–2.5 %), which indicates the feasibility of using fertilizer from poultry manure in crops cultivation.
Economic assessment of anti-stress therapy in the production of meat in poultry farming
Authors: Zhuravel Nina , Miftakhutdinov Alevtin , Zhuravel Vitaliy
Published: October 2021

The paper presents the results of the effectiveness of anti-stress therapy and its economic assessment when growing broiler chickens in a poultry farming against the background of the use of a stress-protector antioxidant-complex (SPAO-complex) in broiler chickens. The pharmacological complex was used in the form of a drink at a dose of 185 mg/kg of live weight for 5 days during periods of the greatest influence of stress factors, namely at the stage of vaccination associated with the greatest immunological load (at 10-14 days of age) and (or) at the stage of final fattening. The effectiveness of antistress therapy was assessed by the morphological parameters of poultry blood, leukocyte indices, the yield of poultry meat and the quality of carcasses. The economic efficiency was assessed by the ratio of the economic effect and veterinary costs. A relative decrease in the total level of leukocytes and a change in leukocytes of different types was found: a decrease in agranulocytes and an increase in agranulocytes, a decrease in the value of the Krebs index, the leukocyte index of intoxication, an increase in the lymphocyte index, the ratio of agranulocytes and granulocytes and lymphocyte-granulocyte index. The use of the SPAO-complex in broiler chickens in the form of a drink at a dose of 185 mg/kg of live weight for 5 days due to the growth rate and an increase in live weight helped to reduce the impact of stress factors and led to an increase in meat yield by 2.34-4.92% and a decrease in injuries before slaughter, which was reflected in a decrease in the level of carcass defect from 20-40%. It influenced the value of the economic effect which amounted to 70.08-145.2 rubles. The value of veterinary costs for different anti-stress therapy regimens ranged from 9.35 to 101.32 rubles. The economic efficiency of using the SPAO-complex at a dose of 185 mg/kg of live weight per day for 5 days per one ruble of costs during the period of intensive vaccination was 16.7 rubles, during the period of final fattening it was 0.81 rubles and during periods of intensive vaccination and final fattening it was 1.52 rubles.
Feasibility study of the project of using own-produced mayonnaise at a public catering enterprise
Authors: Bugaets Natalia , Tereshchenko Igor , Yakimenko Andrew , Bugaets Ivan
Published: October 2021

The relevance of the issue considered in the paper follows from the current state of development of public catering, when the recipe components of industrial production (sauces, seasonings, marinades, semi-finished products, etc.) are replaced by products produced at the enterprises of the food industry. The technology and formulations of fat and oil products of emulsion nature - mayonnaise, enriched with biologically active additives with high nutritional and functional properties have been developed. The paper substantiates an approach to the feasibility study for the production of mayonnaise for functional purpose using acid-soluble chitosan, protein concentrate from sesame seeds and β-carotene at public catering establishments. On the basis of production and financial plans, analysis of project risks, an assessment of the economic efficiency from the introduction and implementation of the developed technological solutions was made. The production plan includes the following structural elements: the volume of capital investments, the capacity of the enterprise, the program for the production and sale of products, wages, the cost of fixed assets, the cost of production and sales of products. The financial plan included the volume of project financing, calculations of taxes, cash receipts and payments.
Optimization of the design and technological parameters of an active ripper of a combined working body
Authors: Ivanaisky S. A. , Kanaev M. A. , Kirov Y. A. , Ivanaisky M. S. , Denisov S. V.
Published: October 2021

The research objective is to improve the quality of soil loosening using combined working bodies for surface moisture-retaining soil cultivation. The efficiency of accumulation and conservation of precipitation in the autumn-winter period depends on the method of post-harvest soil cultivation. One of them is the autumn surface water-retaining treatment, which makes it possible to increase the efficiency of the processes of accumulation and conservation of moisture due to the deeper loosening of the cultivated soil layer. During loosening and mulching, the top layer of the soil contributes to the accumulation and preservation of moisture not only in the upper but also in deeper soil horizons. However, the used tillage tools do not fully solve the problem of the high-quality performance of surface moisture-retaining soil cultivation. The article presents the results of studies of the degree of influence of geometric and technological parameters of the additional active cultivator on the quality of surface tillage. Based on the results of the research carried out, the technological process of performing the surface tillage operation has been improved and combined working bodies have been developed for its implementation.
An experimental study of sunflower husk pellets combustion
Authors: Islamova Svetlana , Karaeva Julia , Timofeeva Svetlana , Kadyirov Aidar
Published: October 2021

The thermogravimetric study of the sunflower husk pellets combustion was carried out at three heating rates: 5, 10, and 20 °C/min to increase the efficiency of agricultural waste disposal methods. The husk combustion process can be divided into several stages: the stage of moisture evaporation and the release of light fractions of volatile substances, the main stage of the release of volatiles and combustion, as well as the stage of the carbonaceous residue after-burning. The maximum mass loss was observed in the experiment with a heating rate of 10 °C/min, and it was equal to 91.99% of the total weight of organic matter. The average residual mass for all experiments was 3%. The higher heating value (HHV) of sunflower husk pellets was 19.2 MJ/kg. When implementing a biomass boiler with a capacity of 430 kW, the return period will be 3.43 years.
Theoretical prerequisites for improving the body low loader granular fertilizer spreader
Authors: Anatoly Shwarz , Ilya Korotkov , Sergey Shwarz , Ivan Vetrov
Published: October 2021

It is known that the use of granular forms of fertilizers is a universal solution for plant growing enterprises using organic, mineral, organomineral fertilizers in their activities. For crop farming enterprises, the application of granular fertilizers is the most convenient way to enrich the soil with nutrients. For the surface main application and top dressing, spreaders of different designs are used, distributing fertilizers in a continuous layer with different indicators of uniformity. At present, the development of machines of various designs is underway to operate applying solid fertilizers. The main tasks of research by various authors in the field of mechanization of the distribution of fertilizers over the surface of the field are to reduce the uneven distribution of fertilizers across the width, increase the sowing width, as well as reduce the changeover time for the fertilization operation. The article presents studies related to the improvement of the design of the working bodies of the machine for applying granular fertilizers, installed on the horizontal axis of rotation. To achieve the goal of increasing the working width of the unit without reducing the quality of the sifting, an option was proposed to supplement the design of a low-frame body spreader for solid fertilizers.
The Effectiveness of Zeolite Enriched with Amino Acids in the Cultivation of Crops in the Middle Volga Region (on the Example of Millet)
Authors: Kulikova Alevtina , Yashin Evgeniy , Karpov Alexander , Romashkin Alexander
Published: October 2021

The paper presents the results of studies on the effectiveness of zeolite, including enriched with amino acids, in the cultivation of millet. The study was carried out on the experimental field of Ulyanovsk State Agrarian University in 2019 by the following scheme: 1. Control, 2. Zeolite 500 kg/ha, 3. Zeolite enriched with amino acids, 500 kg/ha. In 2020, the following options were introduced into the experimental scheme. Control, 2. Zeolite 250 kg/ha, 3. Zeolite 500 kg/ha, 4. Zeolite enriched with amino acids, 250 kg/ha 5. Zeolite enriched with amino acids, 500 kg/ha. The soil was typical medium loamy chernozem. Zeolite and zeolite fertilizers have a positive effect on the agrophysical, water-physical and agrochemical properties of the soil. The content of agronomically valuable aggregates in the arable layer increased by 5.7 and 11.5 %, respectively; the reserves of productive moisture by 9-11 mm, the amount of mineral nitrogen by 0.5 and 6.5 mg/kg, available phosphorus increased by 9 and 16 mg/kg, potassium – per 6 and 8 mg/kg of soil. The use of zeolite enriched with amino acids in a dose of 500 mg/kg increased the grain yield by more than one ton per hectare with a significant increase in environmental safety. For the cultivation of millet, it is most feasible to use zeolite enriched with amino acids in a dose of 250 kg/ha.
Influence of mineral fertilizers on economic indicators of cultivated varieties of spring triticale in the conditions of the republic of Mari El
Authors: Maksimov V. A. , Lapsyin Y. A. , Zolotareva R. I. , Maksimova R. B.
Published: October 2021

In modern socio-economic conditions, the production of high-quality grain remains the main task of agricultural production. The main way to solve it is to increase productivity by introducing new varieties and crops with high potential and improving the cultivation technology with minimal costs. Agrarians of the North-East of the Non-Chernozem Zone of Russia, having in their land, use poorly fertile sod-podzolic soils of varying degrees of cultivation. To increase the productivity of grain crops, they use adapted resource-saving technologies, in which the level of mineral fertilizer is determined by the magnitude of the dose of the nutrient established experimentally. The high productivity of the variety, along with the quality of the grain, is the most important indicator of the ultimate goal of every breeder. To assess the economic efficiency of the cultivation of spring triticale, studies were carried out on nine varieties: Saur, Dobroe, Zaozerye, KNIISH 9, KNIISH 11, KNIISH 22, Savva, Timur, Rovnya. The results of our studies convincingly indicate that in the conditions of the republic, even against an unfertilized background, cultivated varieties of spring triticale, provide grain yield from 2.5 to 3.8 t/ha. Some of the most important economic indicators characterizing production efficiency are such indicators as the cost of production and the degree of efficiency of grain production, expressed by the level of profitability. The main application of mineral fertilizers (N60P60K60, (P60K60) and the introduction of nitrogen fertilization in tillering at a dose of N30increases the cost of 1 kg of grain by 5-8%, thereby reducing the profitability of production when cultivating varieties. The cultivation of varieties Rovnya, Zaur, Zaozerye, KNIISH 22, KNIISH 11, Timur was economically profitable, but less profitable than varieties KNIISH 9, Dobroe and Savva. The cost of production of a kilogram of grain was on the option without mineral nutrition from 5.1; 7.0; 5.9; 5.1; 4.8; and 6.4 rubles, respectively. On fertilized options, the cost decreased to a minimum of 4.1 rubles in the Timur variety with the main application of N60P60K60with nitrogen fertilization N30during tillering. The maximum increase in the cost price was shown by the varieties Timur, Zaozerye: 4.8 and 4.9 rubles against the background of the main application of N60P60K60. On average for 2020 according to the results of economic analysis, the lowest cost price and the highest level of profitability indicator are observed when cultivating varieties KNIISH 9, Dobroe and Savva at all levels of mineral nutrition.
Improvements in corn production technology using liquid nitrogen fertilizers
Authors: Milyutkin Vladimir , Sysoev Vladimir , Blinova Oxana , Makushin Andrey , Prazdnichkova Natalia
Published: October 2021

The article is devoted to improvements in technology of corn production using liquid nitrogen fertilizers such as urea ammonium nitrate (UAN), in pure form UAN-32 or with the addition of sulphur UAN+S, with various methods of application before seeding or leaf-feeding dressings. This technology provides an increase in the corn yield with additional efficiency compared with the use of solid nitrogen mineral fertilizers like ammonium nitrate in conditions of insufficient moisture, which are typical of many regions of Russia and especially of the Volga region (Samara oblast).
Influence of the probiotic preparation “Plantarum” in the diets of pregnant animals on the growth and development of young animals
Authors: Funk Irina , Vladimirov Nikolay , Yashkin Alexander , Pautova Lyudmila , Gorshkov Vitaly
Published: October 2021

The work aims to study the effect of different doses of the experimental probiotic preparation “Plantarum” when fed to pregnant animals on their reproductive qualities, as well as on the growth and development of young animals. To obtain young animals, four groups of goats were formed in the type of the Saanen breed, 20 heads each. In the first (control) group, the animals received a standard diet, in the diet of the animals of the second, third and fourth groups in the second half of pregnancy, the probiotic preparation “Plantarum” was additionally introduced, containingLactobacillus Plantarum, Propiobacterium freudenreihii, in dosages from 0.4 to 0.8 ml/kg of body weight per day. From the offspring of the goats of the experimental groups, four groups of 12 goats were formed. The highest percentage of preservation (94%) and the highest business output of kids per 100 queens (150%) were observed in the fourth experimental group (0.8 ml). The goats of the second, third and fourth groups exceeded the body weight of their contemporaries from the control group by 3%, 6.3%, and 8.8%. The highest indices of the absolute increase in body weight by age periods were noted in the fourth group of goats. There were no significant differences in body build indices during the experiment between the goats of the control and experimental groups. Thus, the maximum positive effect was observed with the introduction of a probiotic preparation into the diet of pregnant goats at a dose of 0.8 ml/kg of body weight per day.
Analysis of the Aspen Growth (Populus tremula L.) Obtained by in Vitro in the Republic of Tatarstan
Authors: Petrova Guzel , Mukhametshina Aigul , Musin Haris , Gafiyatov Renat
Published: October 2021

The paper presents the results of an experiment on the propagation of aspen clones (Populus tremula L.) of diploid and triploid genotypes resistant to pith rot by methods of microclonal reproduction and their introduction into forestry production in the Republic of Tatarstan. The expediency of using this method for obtaining healthy aspen planting material has been substantiated, and the prospects for the reproduction of clone No. 35 with a triploid genotype have been shown.
Development of new methods of rice cultivation for the reclamation and water management complex of the Lower Kuban
Authors: Prikhodko Igor
Published: October 2021

According to long-term studies of the influence of rice cultivation show that meadow-black soil, meadow, alluvial, meadow-swamp (heavy black soils) soils of the reclamation and water management complex of the Lower Kuban, with the beginning of their use for rice cultivation, lose their favorable physical properties and become degraded, merged, viscous and gleyed formations, which leads to a decrease in the yield and quality of the resulting grain, loss of soil fertility, as a rule, with the subsequent withdrawal of lands from the irrigation fund. In order to prevent these negative consequences, it is necessary to use the accumulated world experience of rice cultivation in a timely manner. For a number of reasons, many scientific achievements in the field of selective breeding and rice production technologies remain unpopular. Today, the level of information technology allows studying the advanced experience of rice cultivation in a short time. The world leader in rice production is the PRC, where for more than 10 years they have been practicing the cultivation of rice using drip watering under mulching film, considering this method to be one of the most effective and resource-saving. However, the rice-growing regions of the PRC are located in subtropical and tropical climates with the sum of active temperatures and solar activity during the growing season significantly exceeding the average values of these values for the rice-growing regions of the reclamation and water management complex of the Lower Kuban. Consequently, to implement this technology on the rice irrigation systems of the Krasnodar Territory, it is necessary to adapt them to the natural and climatic conditions of the region. Therefore, the paper proposes the technology of underground drip watering of rice, the introduction of which has proven its effectiveness and feasibility.
Assessment of Digital Maturity of Agricultural Enterprises
Authors: Safiullin N.A. , Mironkina A.Yu. , Kharitonov S.S. , Trofimenkova E.V. , Shevtsova T.P.
Published: October 2021

The article substantiates the need to assess the readiness of agricultural organizations for digital transformation. The main stages of creation of a unified national agricultural platform are described. The main directions for assessing digital maturity are analyzed. Typical problems of agricultural enterprises in the digitalization of business processes are identified. The aim of the study was to develop a method for assessing the digital maturity of an agricultural enterprise using a questionnaire. It was proposed to use the final assessment of digital maturity as the main indicator of readiness of agricultural enterprises for digital transformation. Based on the comparison with the target indicator of digital maturity, the article suggests setting a level of readiness for digital transformation. The authors conducted a study of the Niva agricultural company located in Rudnyansk district, Smolensk region.
The Productivity of Spring Wheat Depending on the Depth of Seeding in the Predkamye of the Republic of Tatarstan
Authors: Shaikhutdinov Farit , Serzhanov Igor , Garaev Razil , Valiev Abdulsamad
Published: October 2021

The article describes the two-year experimental study of the effect of the seeding depth on the development of spring wheat plants, the nature of development of the root system and the stalk, which has an important effect on the yield and grain quality. It was found that on gray forest medium loamy soils of the region, the most effective seeding depth is 4–5 cm.
Agrarian potential of personal subsidiary plots
Authors: Zhichkin Kirill , Nosov Vladimir , Zhichkina Lyudmila
Published: October 2021

The article discusses the methodology for assessing the personal subsidiary plots production potential. Comparison of the private household plots efficiency is an important problem that requires early solution. It is the most promising direction for optimizing state support and stimulating production. The study purpose is to determine the territories of the Samara region that most effectively use the personal subsidiary plots resources for the agricultural production. The production potential value was the highest in the private household plots of the Samara region southern zone. On average, 1122.2 thousand rubles per hectare fall to personal subsidiary farms in one district of this zone. The production potential value is 36% lower in the Central (719.4 thousand rubles/ha) and by 56% - in the Northern zone (493.0 thousand rubles/ha). The households of the Central natural-economic Zone most effectively use the production potential. The zonal average utilization rate value is 1.14. The available resources are used in the best way by the personal subsidiary plots of the Bezenchuksky district (Kp = 1.67), the worst - by the Sergievsky district (0.62). The considered methodology allows solving important problems - to assess the possibilities and the production real state in the private household plots sector.
Root architecture characterization in relation to biomass allocation and biological nitrogen fixation in a collection of European soybean genotypes
Authors: Maslard Corentin , Arkoun Mustapha , Salon Christophe , Prudent Marion
Published: October 2021

Soybean [Glycine max (L.) Merr] is the legume with the largest cultivated area worldwide and its yield depends largely on symbiotic nitrogen fixation and root architecture. This study aimed to explore the genetic variability of root architectural traits and di-nitrogen fixing activity in a small collection of nine European cultivars belonging to the same maturity group during their early stages. New image analysis approaches were implemented to characterise root architecture at high throughput. Significant genetic variability was identified for the width of the root system, root density, and for nitrogen fixation. This study allowed us to highlight trade-offs among root and nodule traits, and structural and functional traits. Finally, both the image analysis approach and the results could be used for breeding programs of soybean, that could take into account the root system architecture, when the plant interacts in symbiosis with N2-fixing bacteria.
Genetic characterization and zoonotic potential of Blastocystis from wild animals in Sichuan Wolong National Natural Reserve, Southwest China
Authors: Chen Shanyu , Meng Wanyu , Zhou Ziyao , Deng Lei , Shi Xiaogang , Chai Yijun , Liu Haifeng , Cheng Yuehong , Zhong Zhijun , Fu Hualin , Shen Liuhong , Zhang Kun , He Tingmei , Peng Guangneng
Published: October 2021

Blastocystis is a prevalent eukaryotic parasite that has been identified in a wide range of hosts. Several species are considered potential sources of Blastocystis infection in humans, but little is known about the prevalence of Blastocystis in wild animals. In this study, the prevalence and subtypes of Blastocystis were investigated to assess the zoonotic potential of wild animals in Sichuan Wolong National Natural Reserve. A total of 300 fecal samples were collected from 27 wildlife species in three areas of the Reserve. The subtype (ST), genetic characteristics, and prevalence of Blastocystis were determined by PCR amplification of part (~600 bp) of the SSU rRNA gene. Thirty fecal samples (10.0%) were Blastocystis-positive. The highest prevalence of Blastocystis was found in Yinchanggou (18.3%), with significantly less found in Niutoushan (7.5%) and Genda (5.5%) (p < 0.05). No significant differences were associated with different orders of animals in prevalence, which may be because of the small number of positive samples obtained. Sequence analysis showed five subtypes (ST1, ST3, ST5, ST13, and ST14), with ST13 and ST14 being predominant (33% each), followed by ST1 (20%). This is the first molecular investigation of Blastocystis infection in the wild animals of southwestern China. Subtypes ST1, ST3, ST5, and ST14 have previously been identified in humans, suggesting that wild animals may be potential reservoirs of Blastocystis for humans.
Perioperatives Management psychiatrischer und neurologischer Dauermedikation
Authors: Bischoff Melanie , Redel Andreas
Published: October 2021

Etwa ein Drittel aller Patienten, die sich einem operativen Eingriff unterziehen, nehmen chronisch Psychopharmaka ein. Neben Depressionen und Psychosen stellen chronische Schmerzen sowie Angst- und Panikstörungen die häufigsten Indikationen dar. In den vergangenen 30 Jahren stieg die Häufigkeit der Verordnung von Psychopharmaka um das 7-Fache. Fast alle Psychopharmaka interagieren mit Medikamenten, die perioperativ häufig gegeben werden, beispielsweise mit 5-HT3-Antagonisten, Sympathomimetika oder Opioiden. Einige der Medikamente weisen eine enge therapeutische Breite auf und nicht alle Medikamente können perioperativ pausiert werden. Im Rahmen der präoperativen Risikoevaluation ist daher eine Prüfung im Einzelfall notwendig. Der Anästhesist muss zudem bei Gabe bestimmter Medikamente während der Narkose besondere Vorsicht walten lassen oder ganz auf diese verzichten.

Bei der Therapie vieler neurologischer Erkrankungen stellen Medikamente die zentrale Säule dar. Häufig begegnen dem Anästhesisten Patienten mit einer Epilepsie, mit Morbus Parkinson oder mit einer Myasthenia gravis, die eine entsprechende medikamentöse Therapie erhalten. Das perioperative Pausieren der Medikamente lässt zumeist eine Befundverschlechterung der neurologischen Grunderkrankung befürchten. Auf die möglichst rasche postoperative Einnahme der Dauermedikation ist daher besonderer Wert zu legen.
Mythen und Legenden: EKG-Lagekontrolle zentraler Katheter – woher kommt das P?
Authors: Massoth Christina , Wenk Manuel
Published: October 2021

Trotz elektrokardiografischer Lagekontrolle eines zentralvenösen Katheters kommt es intraoperativ zu einer schweren Komplikation durch Katheterfehllage. Wie kann das passieren? Ist die Lagekontrolle anhand der charakteristischen P-Wellen-Erhöhung eine adäquate Methode – oder gehört der Glaube daran zu den Mythen und Legenden der Anästhesie und Intensivmedizin? Dieser Beitrag gibt Antworten.
1 Laparoskopische posterolaterale Sektionektomie beim
hepatozellulären Karzinom – Erhöhung der onkologischen Präzision durch
Kombination des Glissonean Pedicle Approach und der
Fluoreszenznavigation
Authors: Knitter Sebastian , Krenzien Felix , Schoening Wenzel , Fehrenbach Uli , Pratschke Johann , Schmelzle Moritz
Published: October 2021

Zielsetzung Minimalinvasive Eingriffe im Bereich der Leberchirurgie werden
aufgrund des intraoperativ geringeren Blutverlustes, der verringerten
postoperativen Morbidität sowie der verkürzten Aufenthaltsdauer im Vergleich zur
offenen Leberchirurgie immer häufiger durchgeführt. Bei primären Lebertumoren
erscheinen exakte Resektionsränder als vorteilhaft, stellen allerdings eine
Herausforderung in der minimalinvasiven Technik dar. In diesem Fallbericht
zielten wir darauf ab, die chirurgische Präzision durch Kombination des
Glissonean Pedicle Approach mit intraoperativer Fluoreszenzfärbung zu
erhöhen.

Indikation Eine 73-jährige Patientin mit einer CHILD-A-Leberzirrhose durch
eine chronische Hepatitis-C-Infektion wurde mit erhöhten Werten des Tumormarkers
Alphafetoprotein (792 ng/ml) unserer Klinik vorgestellt. Die Verdachtsdiagnose
eines einzelnen hepatozellulären Karzinoms (HCC) mit einer Größe von 2,2 cm in
den Segmenten 6/7 wurde mittels Schnittbildgebung bestätigt. Entsprechend der
Empfehlung des Tumorboards wurde eine anatomische posterolaterale Resektion
entsprechend dem Glissonean Pedicle Approach geplant.

Methode Die Patientin wurde in französischer Position gelagert. Nach der
Mobilisierung der rechten Leber wurde der posterolaterale Pedikel identifiziert
und ligiert. Anschließend wurde Indocyaningrün (ICG) in einer Dosierung von 0,2
mg/kg Körpergewicht intravenös injiziert. Das perfundierte Parenchym der
Segmente I–V und VIII färbte sich grün, während die nicht perfundierten
posterolateralen Segmente VI und VII ungefärbt blieben. Die Transsektionslinie
wurde unter ICG-Bildgebung markiert und zeigte den Übergang des posterolateralen
zum anteromedialen Sektor an. Die Dissektion des Parenchyms wurde unter
intermittierender ICG-gesteuerter Bildgebung durchgeführt. Die
histopathologische Untersuchung des Resektats bestätigte eine R0-Resektion eines
gut differenzierten HCC in einer zirrhotischen Leber (Grad 4). Die Patientin
konnte am 6. postoperativen Tag nach unkompliziertem Verlauf aus dem Krankenhaus
entlassen werden und war in der Verlaufskontrolle nach 6 Monaten nachweislich
tumorfrei.

Schlussfolgerung Als zusätzliches intraoperatives Hilfsmittel ermöglicht
die ICG-Bildgebung die Visualisierung von Segment- und Sektorgrenzen und erlaubt
damit eine präzise anatomische Resektion. Weitere prospektive Studien sind
nötig, um den Mehrwert dieser Technik zu evaluieren, insbesondere im Hinblick
auf die Rate der R0-Resektionen.
Recent Progress in Synthesizing Polyethers by Use of Organocatalysts
Authors: Wu Guang-Peng , Zhang Yao-Yao , Yang Guan-Wen
Published: October 2021

Aliphatic polyethers are one of the most widely used polymers, whose synthesis is largely dependent on metallic compounds. Recent development of organocatalysts may break the limits of this long-standing field and infuse vitality into polyether production. In this Synpacts article, the recent advances of organocatalysts for polyether production is introduced in aspects of catalytic performance and mechanism. Moreover, attentions are paid to the latest contributions of bifunctional organoboron catalysts which can be prepared with high yields from cost-effective raw materials in two facile reactions and show excellent performance in the polyether production with remarkable catalytic efficiency, controllability on molecular weight, and explicit polymerization mechanism. Based on these advances, it is envisioned that new discoveries using organocatalysts will continue in the foreseeable future.

1 Introduction

2 Challenges in Metallic Catalysts

3 Previous Advances in Organocatalysts

4 Recent Contributions of Bifunctional Organoboron Catalysts

5 Conclusion
Visible-Light-Promoted Radical Cyclization of N-Arylvinylsulfonamides: Synthesis of CF3/CHF2/CH2CF3-Containing 1,3-Dihydrobenzo[c]isothiazole 2,2-Dioxide Derivatives
Authors: Vytla Devaiah , Kaliyaperumal Kumargurubaran , Velayuthaperumal Rajeswari , Shaw Parinita , Gautam Raj , Mathur Arvind , Roy Amrita
Published: October 2021

A photocatalyzed and highly efficient trifluoromethylation of N-arylvinylsulfonamides using commercially available CF3SO2Cl as the trifluoromethyl radical source under blue LEDs is reported. The reaction proceeds through radical cyclization under mild conditions. An investigation of the substrate scope is performed to establish a general, synthetically useful protocol for the synthesis of novel trifluoromethylated 1,3-dihydrobenzo[c]isothiazole 2,2-dioxides in moderate to high yields. This method is also successfully applied for the synthesis of difluoromethylated and trifluoroethylated 1,3-dihydrobenzo[c]isothiazole 2,2-dioxides in good to excellent yields.
MRI of the Elbow: How to Do It
Authors: Pazahr Shila , Sutter Reto , Zubler Veronika
Published: October 2021

The diagnostic cascade for elbow complaints starts with the physical examination and radiographs that already can clarify or rule out many causes. Depending on the suspected pathology, additional imaging is necessary. Magnetic resonance imaging (MRI) has the advantage of accurately demonstrating a broad spectrum of diseases. The main indication for noncontrast MRI of the elbow is chronic epicondylitis. For magnetic resonance (MR) arthrography, it is suspected chondral and osteochondral abnormalities. Indirect MR arthrography is an option when direct arthrography is not practicable. MR arthrography of the elbow with traction is feasible, with promising results for the assessment of the radiocapitellar cartilage.
Elbow Imaging: Variants and Asymptomatic Findings
Authors: Antil Neha , Stevens Kathryn J. , Lutz Amelie M.
Published: October 2021

One of the key principles in the interpretation of radiology images is the ability to differentiate between normal and abnormal findings. This article provides a comprehensive overview of normal structures and anatomical variants occurring around the elbow including potential diagnostic pitfalls. We discuss frequently observed anatomical variants found in routine clinical practice associated with osseous, ligamentous, musculotendinous, and neurovascular structures at the elbow that may simulate pathology or predispose to symptoms under specific circumstances.
Imaging the Postoperative Elbow
Authors: Deely Diane M. , Morrison William B.
Published: October 2021

Evaluation of postoperative images of any joint can be a daunting task, and the elbow is no exception. Patients may be imaged with a complication of the repair, or the postoperative changes may be incidentally observed as the patient is imaged for other reasons. We divide the postoperative elbow into soft tissue procedures (covering ligament and tendon repairs, as well as compartmental release and nerve transposition), joint-related procedures (osteochondral lesion treatment, ostectomy, and joint replacement), and bone procedures (fracture fixation). We summarize the procedures and their indications, show normal imaging appearances, and finally cover common complications.
Asymmetric Lateral Ventricles—A Tale of Two Cases
Authors: Pahwa Nakul
Published: October 2021

Asymmetry of the lateral ventricles is not an uncommon finding. On one end, it is a predictor of intracranial pathology, and on the other, it can represent a normal variant. It needs to be appropriately investigated. In this case report, we presented two cases of asymmetric lateral ventricles, their presentation, progression and management.
Role of Radiographs and Ultrasound in Diagnosing Calcific Tendinitis and Periarthritis in the Wrist and Hand with Ultrasound-Guided Barbotage as Management Tool
Authors: Ahuja Ankita , Lawande Malini , Daftary Aditya R.
Published: October 2021

Aim To demonstrate the role of radiographs and ultrasound (USG) in the diagnosis of calcific tendinitis and periarthritis in the wrist and hand and the efficacy of USG-guided barbotage for its management.

Materials and Methods A retrospective chart review was performed in six patients who presented with acute-onset pain in the wrist and hand varying from 3 days to 2 weeks. Four patients had tenderness over pisiform and two patients had pain along the lateral aspect of the wrist and thumb. Radiographs and USG revealed calcific focus corresponding to the site of pain. USG-guided calcific barbotage and injection was performed for the same and pain relief was assessed immediately and through telephonic follow-up at 6 months using subjective satisfaction score. Data were analyzed using Microsoft Excel 2013.

Results Four patients with tenderness over pisiform had flexor carpi ulnaris calcific tendinitis and two patients with pain along the lateral aspect of the wrist and thumb had first metacarpophalangeal calcific periarthritis and abductor pollicis brevis calcific tendinitis on radiographs as well as USG. In post-USG-guided calcific barbotage and injection, all patients had significant immediate and 6 months delayed relief in symptoms with excellent satisfaction scores.

Conclusion Acute calcific tendinitis/periarthritis is a benign and self-limiting inflammatory condition. Radiographs are extremely helpful in identifying calcific focus. Ultrasonography in experienced hands is the best modality to identify, confirm the symptomatic calcific focus, and perform USG-guided intervention. USG-guided calcific barbotage is the simplest, quickest, and effective way to treat this condition and avoid compromised functional capacity.
A Unilateral Variation in Triceps Brachii Muscle Demonstrating a Fourth Head
Authors: Swami Shveta , Budhiraja Virendra , Sharma Deepak , Gupta Rimpi , Bansal Swati
Published: October 2021

Introduction

Triceps brachii muscle is the only muscle of posterior compartment of arm, consisting of three heads—long, lateral, and medial. Radial nerve and profunda brachii artery run in the radial groove that separate lateral and medial head. Evolutionarily, triceps has many subheads which either fused or disappeared. Therefore, the knowledge of muscle is essential anthropologically and clinically, and this study aims to study the anatomical variations of triceps brachii muscle.

Case Report

In the present case, during routine dissections of undergraduate MBBS students, a fourth head of origin of triceps brachii muscle was seen in a male cadaver in the right arm. The variation was seen only unilaterally in cadaver. The origin was tendinous arising from the posteromedial aspect of upper part of the shaft of the humerus close to the surgical neck above the radial groove. This tendon was arching over the neurovascular bundle containing radial nerve and profunda brachii artery.

Discussion and Conclusion

The variations of triceps brachii muscles are mentioned in literature but are uncommon and if tendinous fourth head is present over the neurovascular bundles, it may lead to compression syndrome. Hence, these variations are of great importance to the radiologists, surgeons, and orthopaedicians while dealing with posterior compartment of arm.
Effectiveness of Trigger Point Dry Needling on Lumbosacral Radiculopathy among Indian Homemakers: A Randomized Controlled Trial
Authors: Gohil Pratik , Baldha Girish , Arunachalam R.
Published: October 2021

Background and Aim

Lumbosacral radiculopathy is a typical disorder among people belonging to diverse populations. Myofascial trigger points are commonly located on the lumbar and pelvic girdle areas, which are known for aggravating pain in lumbar radiculopathy. This study was conducted to know the effectiveness of trigger point dry needling on lumbosacral radiculopathy among Indian homemakers in pain.

Methods

One hundred subjects between the age group of 40 to 60 years clinically diagnosed with lumbosacral radiculopathy associated with myofascial trigger points were screened, and 40 subjects who matched the inclusion criteria were enrolled to study after ethical approval. Subjects were randomly allocated into group A (n = 20) (experimental/trigger point dry needling) and group B (n = 20 control/sham needle therapy) for five sessions in a week. Outcomes were measured using a numerical pain rating scale for pain.

Results

The level of significance was determined by p < 0.05 at 95% confidence interval. Statistically, significant improvements were seen between the mean pre- and postscores of both the groups (p < 0.05). However, the reduction in mean pain scores was statistically more significant in group A (decrease by 65.7%) than group B (decrease by 14.1%).

Conclusion

Trigger point dry needling on lumbosacral radiculopathy provided to group A was more effective than intervention provided to group B control study participants.
Zukunft kleiner Kliniken: Raus aus dem starren Korsett
Authors: Doelfs Guntram
Published: October 2021

Der Druck für eine grundlegende Strukturreform der Krankenhauslandschaft steigt. Während sich die Republik in Ballungsregionen eine teure Überversorgung leistet, geraten viele kleine Krankenhäuser der Grund- und Regelversorgung in wirtschaftliche Nöte. Die auf reine Zahlen reduzierte Debatte, wie viele Kliniken tatsächlich notwendig sind, weicht zunehmend einer Diskussion über eine neue Rolle der Kliniken in der Versorgung. Über das Ziel sind sich alle Player längst einig, nur der Weg dorthin ist unklar.
Digitalisierung nach der Wahl: Die Angst vor dem großen Kater
Authors: Doelfs Guntram
Published: October 2021

Trotz aller Lippenbekenntnisse befürchtet Prof. Jochen Werner, Vorstandschef der Uniklinik Essen, dass der Digitalisierungsschwung der Ära Spahn nach der Wahl rasch wieder erlahmen könnte. Im Gespräch mit kma erzählt der Klinikchef, warum ihn der Wahlkampf irritiert hat, er für eine bundesweite Klinikentwicklungsplanung plädiert – und warum Deutschland einen Fonds für den digitalen Strukturwandel braucht.
Zwischenruf aus der Branche: Warum Ärzte ihre Computer hassen
Authors: Frank Timo
Published: October 2021

Timo Frank ist Market Access Manager bei der Ada Health GmbH sowie Gründer und ehemaliger Vorstandsvorsitzender des Vereins Hashtag Gesundheit. In seinem Gastbeitrag analysiert er ein offenbar nicht eingelöstes Verspechen: Seit Jahren versichern wir Ärztinnen und Ärzten, dass Digitalisierung ihnen den Arbeitsalltag erleichtern würde, allen voran durch die elektronische Patientenakte oder künstliche Intelligenz. Die gewünschte Akzeptanz bleibt jedoch aus. Warum?
KHZG: Schattenseiten eines Goldrausches
Authors: Doelfs Guntram
Published: October 2021

Seit Inkrafttreten des Krankenhauszukunftsgesetzes werden deutsche Krankenhäuser mit Angeboten für Digitalisierungsprojekte regelrecht überschüttet. Neben vielen etablierten Anbietern und Beratungs­firmen sind offenbar auch branchenfremde Firmen und wenig qualifizierte Berater unterwegs, die Kliniken Hard- und Software verkaufen wollen, die diese gar nicht benötigen.
Nachhaltige Digitalisierung: Im Wettlauf mit der Zeit
Authors: Mittag Aline
Published: October 2021

Die Dynamik des Krankenhauszukunftsgesetzes erzeugt einen hohen Handlungsdruck. Beratung in den Bereichen Prozess- und Organisationsdesign sowie Change-Management hilft Krankenhäusern, Digitalisierungsprojekte fristgerecht umzusetzen.
Krankenhausbewirtschaftung organisieren: Die Hintergrundmusik entscheidet über Erfolg
Authors: Schröter Martin , Wilms Michael
Published: October 2021

Ohne eine gute Versorgungslogistik funktioniert im Krankenhaus gar nichts. Dies modern und agil, aber auch rechtskonform zu gestalten, wird immer wichtiger und stellt das Management vor die Frage: Welche Vor- und Nachteile bieten eine Eigen- oder Fremdbewirtschaftung, im Haus oder außer Haus?
Mapping ‘bio geo-body’ of Southeast Asia: strategic differentiation and identification of ethnic identity in Vietnam and Singapore
Authors: Hà Tiên-Dung , Bin Khidzer Mohammad Khamsya
Published: October 2021

This research explores how data from population genome projects in Southeast Asia are mobilized for identity formation beyond the lab. We compare two cases, the Vietnamese Genome Project which is funded by a Vietnamese private conglomerate and the Peranakan Genome Project in Singapore, to elucidate how the results from population genomic projects in Vietnam and Singapore are co-constituted with existing political and cultural narratives, as well as with varying notions of ‘Chinese-ness’. We find that while scientists in Vietnam use genomics to construct the Vietnamese as genetically independent from what is perceived to be an increasingly dominant Chinese geopolitical power, scientists and participants involved in the Peranakan Genome Project emphasize genomic and cultural mixing which happened between Southern Chinese migrants and the indigenous Malay population historically to distinguish from the rest of the ‘Chinese’ population in Singapore. The cases illustrate the different ways in which the actors involved in these two genome projects strategically differentiate and negotiate the ‘bio geo-body’ of the Vietnamese and the Peranakan in relation to the Chinese identity and nationalism, thereby revealing how genomics is intertwined with local and regional histories, culture and politics.
Cavity dynamics of vertical water entry of a truncated cone–cylinder body with different angles of attack
Authors: Sun Tiezhi , Shi Chongbin , Zhang Guiyong , Zhou Bo , Wang Heng
Published: October 2021

This paper investigates the evolution of the flow field and the load characteristics of a revolving body water entry at different angles of attack through experiments and numerical calculations. The experiment used a high-speed camera and pressure measurement devices to measure the flow field and surface pressure of water entry. A numerical calculation model was established using the computational fluid dynamics method and was used to simulate a test case. The results show that a change in the attack angle significantly affects the flow field and load characteristics of the revolving body. An increase in the angle reduces the cavity area on the upstream surface and delays the surface seal of the splash crown. The larger the angle, the smaller the difference between the peak impact pressures of adjacent cases, and the longer the time for the peak to reach a stable value (which increases approximately linearly). Meanwhile, the surface load of the revolving body is mainly concentrated around the cavity separation line, and the pressures before and after that line become dramatically different. The bottom surface load propagates from upstream to downstream in the form of ripples. Moreover, during the water entry process, the vortices around the body change from large scale to small scale. The vortices are densely attached to the surface and move upward along the test body. Interestingly, when the velocity field forms whirlpool at the wall, the surface pressure is usually less than the ambient pressure. These findings provide an important basis for a better understanding of the evolution of the flow field and surface load in the process of water entry, and further clarify the relationship between them.
Measurement of the lamella thickness during droplet impact onto differently wettable smooth surfaces using an extension of the LASER Pattern Shift Method with naturally occurring patterns
Authors: Foltyn P. , Rihm L. K. , Ribeiro D. , Silva A. , Weigand B.
Published: October 2021

This study shows that the LASER Pattern Shift Method (LPSM) is a powerful measurement technique for film thickness measurements. In this paper, the approach of the LPSM is extended, which is now able to measure the lamella thickness during droplet impacts on smooth surfaces using the naturally occurring air bubble shadows. With the help of this rather new measurement technique, the influence of different experimental parameters on the lamella thickness could be systematically assessed, e.g., the influence of impact velocity, liquid properties, and surface wettability. Upon comparing the obtained results to an analytical correlation in the literature, good agreement could be found for its validity range.
Focusing flattop beam shaping with complex modulation holography
Authors: Shao Jing , Haase Thomas , Zhang Ruolan , Aguergaray Claude , Broderick Neil , Sun Shufeng
Published: October 2021

A complex modulation algorithm for focusing beam shaping with a phase-only spatial light modulator is designed. This method modulates the amplitude and phase of a collimated beam synchronously, and the modulated beam passing through an objective lens will generate a shaped focusing beam. The characteristic of the complex modulation was studied, while the Mixed-Region Amplitude Freedom (MRAF) method was selected as a comparative reference in this research. In the theoretical simulation, the complex modulation shows excellent performance with a roughness of 0.32% RMS and 0.54% MAX. Otherwise, to further verify this complex modulation algorithm, an experiment was implemented to generate a square-shaped focusing flattop beam. The complex modulation generated a flattop beam with a roughness of 3.1% RMS and 6.1% MAX, better than the MRAF method. This result also proves that this complex modulation has better robustness.