bluuebunny/crossref_metadata_2025 huggingface dataset:
A Rare Complication of Functional Endoscopic Sinus Surgery: Maxillary Atelectasis-Induced Spontaneous Enophthalmos
Authors: Wu Chin-Lung , Hsu Ming-Che , Liu Chia-Ming
Published: August 2018

Background

The first case report of spontaneous enophthalmos due to maxillary atelectasis as a late complication of FESS is presented.

Methods

Chart review of a 24-year-old male who developed a left progressive enophthalmos within three months post bilateral functional endoscopic sinus surgery.

Results

The preoperative computed tomography showed a normal left maxillary sinus. The postoperative computed tomography revealed a left maxillary atelectasis with a descending orbital floor. The subject received revised endoscopic sinus surgery and his enophthalmos was stable without further progression after the operation.

Conclusions

This may have been caused by an ostium occlusion with retention of secretions inducing sinus inflammation, osteolytic activity, and osseous remodeling of the sinus walls. A negative pressure may develop. When the pressure gradient exceeds the sinus wall tension, maxillary atelectasis and enophthalmos occur. Prevention of this complication of FESS should include making a patent naso-antral window, minimizing mucosal trauma, and careful postoperative sinoscopic treatment. A “functional” sinus is the goal.
Concordance of Middle Meatal Swab and Maxillary Sinus Aspirate in Acute and Chronic Sinusitis: A Meta-Analysis
Authors: Dubin Marc G. , Ebert Charles S. , Coffey Charles S. , Melroy Christopher T. , Sonnenburg Robert E. , Senior Brent A.
Published: August 2018

Background

The medical management of acute and chronic sinusitis is a therapeutic challenge. The use of endoscopic middle meatal cultures as a noninvasive method to determine the bacteriology of the maxillary sinus has not accurately been established. The aim of this study was to review the literature that compares cultures obtained by endoscopic middle meatal swabs with those obtained from maxillary sinus aspirates (MSAs).

Methods

We reviewed studies published between January 1966 and October 2003 that were identified from searches of multiple databases, bibliographies, and original articles. Studies were included for analysis if they compared the results of endoscopic middle meatal cultures to aspirate cultures. All clinical variables and test performances were independently extracted by two reviewers.

Results

Middle meatal culture had a per isolate accuracy of 82% (95% confidence interval, 0.64, 0.92) compared with MSA (excluding coagulase negative staphylococcus and fungal cultures).

Conclusion

Endoscopic middle meatal cultures have a high concordance with MSAs.
Analysis of Possible Cross-Contamination with the Venturi System Atomizer
Authors: Scianna Joseph M. , Chow James M. , Hotaling Andrew
Published: August 2018

Background

The physics behind the Venturi atomizers suggest a possibility of bacterial colonization and the potential for patient cross-contamination. A protocol for use of the atomizer and clinically appropriate demonstration of cross contamination has not been established.

Methods

Three sterilized atomizers filled with a solution of 2% Pontocaine and 1% ephedrine (two test and one control) were used during a 5-day study period. Clinic staff was instructed to (1) use a nozzle tip, (2) use a nasal speculum, (3) avoid contact between the atomizer and the patient, and (4) apply a continuous, <1-second spray to the nasal cavity. Samples were obtained from each of the atomizers three times per day and plated on chocolate agar plates. The number and type of bacterial colony were registered.

Results

No respiratory pathogens grew from any of the 45 plated samples. Nine of 30 experimental atomizer samples produced 12 bacterial colonies. Of the 12 bacterial colonies obtained, 6 colonies of coagulase-negative Staphylococcus, 5 colonies of Corynebacterium sp., and 1 colony of Bacillus sp. were identified. One of 15 plated control atomizer samples produced two colonies of coagulase-negative Staphylococcus. An average of 1.3 colonies per positive test plate and an average of 2.0 colonies per positive control plate were identified. There was no evidence of an increasing number of colonies per plate or persistence of any particular bacteria identified over time to suggest contamination or colonization of the system reservoir.

Conclusion

There is no risk of cross-contamination of patients with the use of the Venturi system atomizer as outlined in this study. Culture results from this study were consistent with random culture contamination during the plating and/or culturing period. There was no evidence to support the idea of bacterial colonization of the atomizers. Continued use of the Venturi system atomizer is an acceptable practice.
The Management of Rhinitis in Patients with Functional Epiphora: A Randomized Controlled Crossover Trial
Authors: McNeill Emma J. , Kubba Haytham , Bearn Mike A. , Robson Andrew K.
Published: August 2018

Background

Nasolacrimal duct obstruction, secondary to inflammation of the nasal mucosa, can result in epiphora. This can be treated successfully with topical corticosteroids, avoiding the need for surgery. This study tests the hypothesis that treating clinically significant rhinitis improves the symptoms of epiphora.

Methods

A randomized controlled crossover trial (pilot study) was performed at the Cumberland Infirmary, Carlisle. Patients were assessed in an epiphora clinic by a consultant ophthalmologist and were included in the trial if they had bilateral functional epiphora, i.e., the nasolacrimal duct was patent on syringing. Twenty-three patients were then referred to a consultant otolaryngologist, where the severity of rhinitis and epiphora were assessed using visual analogue scales, subjective scoring, and clinical assessment. The 11 patients suitable for the study were randomized into two groups. The treatment group received nasal corticosteroids and the control group received no treatment, both groups changing treatment arms at a specified point. Subjective and objective scores were assessed at the beginning, midpoint, and end of each treatment period.

Results

Seven of 11 patients showed an improvement in epiphora scores with topical therapy. Six patients documented a symptomatic improvement. Eight patients showed an improvement in symptoms and signs of rhinitis, with two patients continuing on nasal corticosteroids for nasal symptoms only. There was a statistically significant improvement in both epiphora symptom scores and clinical findings of rhinitis in patients treated with nasal steroids (p = 0.021 and 0.019, respectively).

Conclusion

Epiphora secondary to rhinitis can be treated successfully with intranasal steroids. Patients with epiphora should be asked about symptoms of rhinitis and should always have their nose examined for evidence of intranasal pathology.
Tensile Biomechanical Properties of Human Nasal Septal Cartilage
Authors: Richmon Jeremy D. , Sage August B. , Wong Van W. , Chen Albert C. , Pan Christine , Sah Robert L. , Watson Deborah
Published: August 2018

Background

The biomechanical properties of human septal cartilage have yet to be fully defined and thereby limits our ability to compare tissue-engineered constructs to native tissue. In this study, we analyzed the tensile properties of human nasal septal cartilage with respect to axis of tension, age group, and gender.

Methods

Fifty-five tensile tests were run on human septal specimens obtained from 28 patients. Samples obtained in the vertical and anterior–posterior (both above and within the maxillary crest) axes were subjected to equilibrium and dynamic tensile testing.

Results

The average values for strength, failure strain, equilibrium modulus and dynamic modulus were not found to be significantly different with respect to axis of tension testing, age group, or gender. Tensile results for septal cartilage were as follows: equilibrium modulus 3.01 ± 0.39 MPa, dynamic modulus 4.99 ± 0.49 MPa, strength 1.90 ± 0.24 MPa, and failure strain 0.35 ± 0.03 mm/mm.

Conclusion

We confirm that septal cartilage has weaker tensile properties compared to articular cartilage and found no difference in strength with respect to age, gender, or axis of tension (isotropic).
Altered Expression of Genes Associated with Innate Immunity and Inflammation in Recalcitrant Rhinosinusitis with Polyps
Authors: Lane Andrew P. , Truong-Tran Quynh Ai , Schleimer Robert P.
Published: August 2018

Background

The role of the innate immune system in the pathophysiology of chronic rhinosinusitis (CRS) is poorly understood. In this study, we compared sinonasal expression of toll-like receptors (TLRs), complement components, serum amyloid A, and inflammatory genes (chemokines and cytokines) in control subjects and patients undergoing sinus surgery for CRS.

Methods

Eleven control subjects and 30 subjects with CRS unresponsive to medical management were enrolled prospectively before undergoing endoscopic sinus surgery. Ethmoid mucosal specimens were obtained surgically and processed for RNA extraction. Real-time polymerase chain reaction was used to quantitate the level of expression of messenger RNA (mRNA) for TLR, acute phase proteins, and cytokine genes. Subjects were followed for a minimum of 6 months postoperatively with nasal endoscopy to assess for recurrence of polyps.

Results

mRNA for all target genes was detected in the ethmoid mucosa of both control and CRS subjects. The level of gene expression was normalized to the housekeeping genes 18s RNA and glyceraldehyde-3-phosphate dehydrogenase. As compared with controls, CRS was associated with significantly higher expression of TLR2 and the inflammatory genes macrophage-inflammatory protein a, RANTES, and granulocyte-macrophage colony-stimulating factor. Patients with early recurrence of polyps after surgery had significantly decreased expression of TLR2, 9, and serum amyloid A and increased expression of macrophage-inflammatory protein a compared with surgery-responsive patients.

Conclusion

This study shows the increased levels of expression of TLR2 and a variety of inflammatory genes in sinonasal mucosa of CRS patients compared with controls. Whether these differences play a role in pathogenesis or are merely manifestations of disease activity is worthy of investigation.
RGS10 shapes the hemostatic response to injury through its differential effects on intracellular signaling by platelet agonists
Authors: Ma Peisong , Gupta Shuchi , Sampietro Sara , DeHelian Daniel , Tutwiler Valerie , Tang Alan , Stalker Timothy J. , Brass Lawrence F.
Published: August 2018

Key Points

Following vascular injury, RGS10 tunes the platelet signaling network to ensure the establishment of an effective hemostatic plug. It does this by limiting Gq- and Gi2-dependent signaling and by agonist-selective effects on responses to thrombin, ADP, and TxA2.
Clinical Significance of 4L Lymph Node Dissection in Left Lung Cancer
Authors: Wang Ya-Nan , Yao Shuang , Wang Chang-Li , Li Mei-Shuang , Sun Lei-Na , Yan Qing-Na , Tang Shao-Wen , Zhang Zhen-Fa
Published: August 2018

Purpose

To investigate the prognostic impact of 4L lymph node (LN) dissection in left lung cancer and to analyze the relative risk factors for 4L LN metastasis.

Patients and Methods

We retrospectively collected data from 657 patients with primary left lung cancer who underwent surgical pulmonary resection from January 2005 to December 2009. One hundred thirty-nine patients underwent 4L LN dissection (4LD+ group); the other 518 patients did not receive 4L LN dissection (4LD− group). Propensity score weighting was applied to reduce the effects of observed confounding between the two groups. Study end points were disease-free survival (DFS) and overall survival (OS).

Results

The metastasis rate of station 4L was 20.9%, which was significantly higher than those of station 7 (14.0%; P = .048) and station 9 (9.8%; P < .001). Station 4L metastasis was associated with most other LN station metastases in univariate analysis, but only station 10 LN metastasis was an independent risk factor for 4L LN metastasis (odds ratio, 0.253; 95% CI, 0.109 to 0.588; P = .001) in multivariate logistic analysis. The 4LD+ group had a significantly better survival than the 4LD− group (5-year DFS, 54.8% v 42.7%; P = .0376; 5-year OS, 58.9% v 47.2%; P = .0200). After allowing potential confounders in multivariate survival analysis, dissection of 4L LN retained its independent favorable effect on DFS (hazard ratio, 1.502; 95% CI, 1.159 to 1.947; P = .002) and OS (hazard ratio, 1.585; 95% CI, 1.222 to 2.057; P = .001). Propensity score weighting further confirmed that the 4LD+ group had a more favorable DFS ( P = .0014) and OS ( P < .001) than the 4LD− group.

Conclusion

Station 4L LN involvement is not rare in left lung cancer, and dissection of the 4L LN station seems to be associated with a more favorable prognosis as compared with those who did not undergo this dissection.
Guest Editors’ Foreword
Authors: CHLETSOS MICHAEL , DOGORITI ELEFTHERIA , GIOTIS GEORGIOS
Published: August 2018

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Risk Assessment of Senile Cataract Incidence in a Cohort of Nuclear Workers of Mayak Production Association
Authors: Азизова Т. , Azizova T. , Брагин Е. , Bragin E. , Хамада Н. , Hamada N. , Банникова М. , Bannikova M.
Published: August 2018

Purpose: To estimate incidence risk for senile cataracts in a cohort of workers employed at nuclear production facility, that were occupationally exposed to radiation taking into account non-radiation risk factors.

Material and methods: Senile cataract incidence (cataracts) is studied in the cohort of Mayak PA workers first employed at one of the main facilities (reactors, radiochemical or plutonium production plants) during 1948–1982 (22,377 individuals). All members of the study cohort were occupationally exposed to gamma-rays or neutrons over a prolonged period. Absorbed doses from external and/or neutron exposure used in the study were provided by MWDS-2008. Relative risk (RR) and excess relative risk per unit dose (ERR/Gy) were estimated based on maximum likelihood using AMFIT module of EPICURE software.

Results: 4159 cataract diagnoses were verified in the study cohort of workers during 482217 person-years of follow-up. The majority of cataracts were diagnosed in cohort members included in the age group 61–70 years old in both males and females. The mean age at cataract diagnosis was 63.1 ± 0.2 years in males and 64.8 ± 0.2 years in females, respectively. RR of cataract incidence was statistically significant in all dose categories when compared to a reference category (0–0.25 Gy) and increased with increasing dose from external gamma-rays and was the highest in workers exposed to external gamma-rays at doses exceeding 2.0 Gy (1.61 95 % CI: 1,41–1,83). Significant linear association of cataracts with dose from external gamma-rays was observed with ERR/Gy = 0.28 (95 % CI: 0.20, 0.37). The risk estimate varied slightly with inclusion of additional adjustments for different non-radiation factors (smoking status and alcohol consumption, smoking index, hypertension, body mass index, severe myopia diagnosed). After adjusting for dose from neutrons ERR/Gy of external gamma-rays for cataracts increased considerably (0.31; 95 % CI: 0.22, 0.40). Significant ERR/Gy of external gamma-rays for senile cataract was revealed in both male and female workers of the study cohort, however the variations between the sexes were insignificant (p = 0.09). ERR/Gy of external gamma-rays for senile cataract was significant in all age groups except for workers under 40 years, but the differences among the age groups were insignificant (p > 0.5).

Conclusion: Risk of senile cataract incidence in the cohort of Mayak PA workers, occupationally exposed to radiation over prolonged periods, was significantly associated with dose from external gamma-rays.
Transcriptional Activity of TP53 and MDM2 in Chronically Exposed People at Later Time Points
Authors: Никифоров В. , Nikiforov V. , Аклеев А. , Akleev A.
Published: August 2018

Purpose: To study the levels of transcriptional activity of TP53 and MDM2 genes in the residents of the Techa riverside villages chronically exposed at a wide dose range. Material and methods: transcriptional activity of TP53 and MDM2 genes was assessed in 95 persons. The main study group included 80 people exposed to combined external and internal radiation (peripheral blood samples were taken 60–70 years after the beginning of chronic radiation exposure), mean accumulated dose to red bone marrow was 0.86 ± 0.08 Gy (doses varied in the range 0.1–3.65 Gy). The control group consisted of 15 people living in similar socio-economic conditions in the Southern Urals; the accumulated doses to red bone marrow did not exceed 0.07 Gy. Gene transcription activity profile was studied with real-time PCR assay. The data were analyzed using a comparative CT method with normalization to the “housekeeping” gene transcription in each sample. Statistical analysis was performed using the software PAST. Results and conclusion: In the course of the analysis we did not receive statistically significant differences between the study groups, but there was a tendency to a decrease in gene transcription in the group of exposed persons. The correlation analysis showed a weak negative dependence for TP53 and MDM2 genes, and this dependence was characterized not only by the accumulated dose value but was also associated with the age of the individuals under study. A tendency to a decrease in the transcription activity of the genes under study was noted when studying the effect of the dose. Statistically significant differences were shown for MDM2 gene in the group of individuals whose accumulated doses exceeded 2 Gy (p = 0.044). The analysis of age-peculiarities on gene transcription revealed a statistically significant decrease in TP53 gene transcription with increasing age of patients (p = 0.02). Non-radiation factors including smoking were also studied. The levels of gene transcription were compared between men and women of 2 main ethnicities (Bashkirs/Tartars and Slavs). Results of the study showed that neither sex nor ethnicity had any effect on the levels of TP53 and MDM2 gene transcription in the study groups. The effect of smoking on the activity of the genes under study was negligible.
IAEA Project TN-RER9142-1801516. Train the Trainers Course for Radiation Protection Officers of Medical and Industrial Facilities
Authors: Крылов А. , Krylov A.
Published: August 2018

From 04 to 08 June 2018 in Dushanbe (Tajikistan) a regional IAEA course train the trainers for radiation protection officers of

medical and industrial facilities was held. The course was attended by 19 invited experts in radiology, radiation safety, metrologists,

medical physicists, representatives of regulatory authorities. The course was held in Russian and was, first of all, focused on the

post-Soviet space. However, representatives of Bulgaria, Serbia, Estonia, Lithuania also took part in the meeting. Reports of IAEA

specialists and invited experts were heard within 5 days. The purpose of the course is to provide the participants with theoretical

knowledge of the role, duties and competencies expected of a radiation protection officer for medical and industrial facilities, and tj

conduct practical exercises on the design and delivery of training programmes in order to enable them to train radiation protection

officers in their respective countries.
Dynamic Pricing of Limited Inventories with Product Returns
Authors: Hu Xing , Wan Zhixi , Murthy Nagesh N.
Published: August 2018

Many online retail channels face high rates of product returns. This poses a new challenge to the sellers’ dynamic pricing problem when some returns in good condition can be resold in the selling season. To study the impact of product returns and guide sellers in adjusting pricing policies, we build a product return model by augmenting the classic monopolist’s dynamic pricing framework. We show that the return dynamics can complicate the problem by making it generally not Markovian. We address the technical challenges both analytically and numerically. Our analysis finds that ignoring returns leads to overpricing and can cause significant revenue loss when the demand is high, initial inventory is moderate, product return speed is high, and, intuitively, return probability is high. The analysis yields easy-to-implement heuristic policies that have good and robust performance relative to the theoretical benchmarks. We obtain many important findings for managers. For example, restocking product returns can be highly profitable even when the restocking cost is considerably high. Gaining visibility to customers’ product return decisions, although helpful in forecasting returns and gauging total sellable inventory level, often provides small revenue benefits once the seller properly adjusts its dynamic pricing.
The key role of an ‘acute neurology triage nurse’ in transforming emergency neurology services
Authors: Boodhoo Ajay , Schon Fred , Nitkunan Arani
Published: August 2018

We describe a seemingly novel UK approach to managing acute neurological problems presenting to a district general hospital by using an acute neurology triage nurse as the coordinator of the acute neurology service. We describe in detail how the post works, and present 4-year data comparing 2014–15, the year prior to the nurse starting, with 2015–17, the first 3 years of the service. The nurse, based in the acute medical admission ward, assessed all patients within 2 hours of referral. Key improvements were a dramatic rise both in number of patients seen, and the percentage of patients seen on the day of referral. Early discharge was facilitated, where possible, by urgent ‘hot’ clinic appointments by the nurse, both in person or by telephone, at present 5–6 times per week. The success of this model in Croydon leads us to believe it is worthy of wider consideration.
Safe monitoring of natalizumab therapy in multiple sclerosis
Authors: Hosty Jennifer , Kass-Iliyya Lewis , Bell Simon , Paling David
Published: August 2018

Natalizumab is one of the most effective therapies for relapsing-remitting multiple sclerosis. One complication is progressive multifocal leucoencephalopathy, a viral brain infection caused by John Cunningham virus (JCV). Monitoring of neurological symptoms, JCV serology and regular brain imaging are required to ensure safe use of this therapy. Local audit data from 2015 indicated poor compliance with safety monitoring: under 25% of investigations were within recommended timeframes. Subsequently, a protocol was implemented to improve monitoring, with specialist nurses coordinating requests for MRI scans and arranging JCV serology, with frequency determined according to JCV index. A re-audit assessed the impact of this protocol (n=155). Some 97.4% of patients were appropriately tested for JCV and 88.4% were imaged within the recommended interval. Additional work with the informatics and virology team ensured serology results became more easily accessible. The use of a standardised, nurse-led operating procedure has resulted in marked improvement in the safety monitoring of natalizumab.
Actively fighting the flab
Authors: Short Emma
Published: August 2018

Emma Short, BSc (Hons)of Baileys Horse Feeds presents some workable strategies
Contracted heels
Authors: Logie Sarah
Published: August 2018

Sarah Logie FWCF describes the treatment and management of a troublesome condition
Going barefoot – when and how should shoes be used?
Authors: Rainger Clive Meers
Published: August 2018

Clive Meers Rainger RSS BII discusses how appropriate shoeing and trimming should lead to the correction of imbalances, so enabling a horse to go barefoot
Understanding back conditions in horses
Authors: Kidd Jessica
Published: August 2018

Dr Jessica Kidd outlines a practical approach
Management of joint disease in horses
Authors: Parker Russell
Published: August 2018

Russell Parker BVSc. MSc. DECVS. MRCVS, Liphook Equine Hospital, discusses the options
Dead Slow – supporting riders and educating drivers
Authors: Hiscox Alan
Published: August 2018

Director of the British Horse Society, Alan Hiscox outlines the progress and plans
The overweight horse
Authors: Chubbock Sam
Published: August 2018

World Horse Welfare Head of UK Support, Sam Chubbock details how horse owners can manage obesity in their animals
BETA Feed Conference
Authors: Williams Claire
Published: August 2018

Claire Williams, of the British Equestrian Trade Association provides the highlights
An Alternative Choice in Heighting
Authors: Omogunloye Olusola Gabriel , Yaqub M. O. , Ojegbile Babatunde Moses , Odumosu Joseph Olayemi , Ajayi O. G.
Published: August 2018

Comparison of orthometric heights obtained from the combination of GPS/Levelling survey method with that obtained from Lidar, Srtm, and Astergdem data is an area of research which is of great interest to Geomaticians. This area of research makes possible the discovery of other suitable methods of determining orthometric height which can be selected for use depending on the region, extent and nature of the terrain where the project is to be executed.
The X, Y, Z coordinates and the geoidal heights for all the existing controls within university of Lagos were determined using the GPS/ Levelling survey method, the required orthometric height (H) was then obtained as the differences between ellipsoidal and geoidal heights. Extracting orthometric heights for the X and Y coordinates of observed control points overlaid on each of Lidar, Srtm and Astergdem required the use of spatial analysis tool in an arc map environment. From the profile plot (Figure 3.5) of all the orthometric heights, the heights relationship was easy established. From the descriptive statistics test (Table 3.4), the one way ANOVAs test at 1% and 5% level of significance (Table 3.8), the number of points in other methods whose orthometric height is closed to that of Levelling/GPS method (Table 3.7) and correlation test on the various orthometric heights obtained (Table 3.5) it is obvious that all the applied methods operates at different spatial resolutions, of all the four methods, GPS/Levelling method was the most reliable and most accurate method followed by lidar method, then by astergdem method and Srtm has the least. In a nutshell, Orthometric heights generated by method of Lidar are very close to that generated by GPS/Levelling method at several stations, thus method of Lidar was considered as the most suitable alternative to GPS/Levelling method, whenever the use of later method cannot be easily accomplished.

 
Modeling Malaria Prevalence Rate in Lagos State Using Multivariate Environmental Variations
Authors: Omogunloye Olusola Gabriel , Abiodun Oludayo Emmanuel , Olunlade Olufemi Ayoade , Epuh Emeka Eusebius , Asikolo Ifidon , Odumosu Joseph Olayemi
Published: August 2018

The aim of this research is to establish the significant effect of environmental factors on malaria prevalence rate within the Local Government Areas of Lagos State. The methodology used was to carry out a statistical analysis of these various environmental factors with the malaria prevalence cases that was recorded in Lagos State using a 5 years data from 2009-2013 of malaria prevalence cases recorded with environmental data for the same time frame, and to further use GIS to show the various Local Government Areas with high severe malaria cases as well as low malaria cases. The result obtained from this analysis shows a significant relationship between the malaria prevalence cases and environmental factors of rainfall, temperature and relative humidity, this helped in developing a predictive model. The outcome from this research work can help the government, Lagos State Ministry of Health and donor agencies both local and international see the Local Government Areas within the state that are most vulnerable to malaria epidemic, and further aid them in policy formation, planning and strategy implementation.
APORTES AL CONOCIMIENTO DEL FITOPLANCTON DE LA LAGUNA DEL PARQUE UNZUÉ (GUALEGUAYCHÚ, ARGENTINA)
Authors: Gianello Diamela , Aguer Irene , Crettaz–Minaglia Melina Celeste
Published: August 2018

La laguna del Parque Unzué se encuentra dentro de una importante área recreativa de la ciudad turística de Gualeguaychú (Entre Ríos, Argentina). El objetivo de este trabajo fue aportar conocimientos sobre la riqueza y composición del fitoplancton durante un período anual (2015–2016). Se realizaron 9 muestreos en 3 sitios de la laguna. Se identificaron 30 géneros, representantes de Bacillariophyceae (11), Chlorophyta (10), Euglenophyta (4), Cyanobacteria (4) y Dinophyceae (1). Los géneros Pediastrum, Scenedesmus, Phacus, Navicula, Gomphonema y Pinnularia estuvieron presentes durante todo el período de estudio, siendo géneros comunes en lagunas urbanas de la ecorregión pampeana según la literatura. Además, se detectó la presencia del género Ceratium reportado como invasor, así como cianobacterias potencialmente tóxicas, como Microcystis, Aphanocapsa y Merismopedia. Este es el primer estudio sistemático realizado en la laguna sobre la composición y riqueza fitoplanctónica que puede ser utilizado para acciones de manejo ambiental.
RICARDO BASTIDA
Authors: López Hugo L.
Published: August 2018

RICARDO BASTIDAFinalizada su Licenciatura en Zoología (UNLP) y especialización en Biología Marina en el ScrippsInstitute de California (USA) en 1970, continúa con su Doctorado en Ciencias Naturales en eltradicional Museo de La Plata (UNLP, 1977).
Restoring the “unbroken continuity of our history”: Commemoration of the Great War in the former Russian Empire
Authors: Kaufman David
Published: August 2018

Una combinación de factores ha asegurado que la conmemoración de la Primera Guerra Mundial en las tierras del anterior imperio ruso se haya quedado atrás con respecto al resto de Europa.El hecho de que el conflicto desembocó en el colapso del régimen zarista y su reemplazo por un estado bolchevique centró la atención en otro sitio. Las exigencias inmediatas de los enfrentamientos en la Guerra Civil y posteriormente la muerte de Lenin ofrecieron un marcado contrarrelatofrente a la historia principal europea de dolor, conmemoración y pérdida. Los veteranos de la «guerra imperialista» encajaron mal en el nuevo estado Soviético durante los años entre guerras donde, bajo Stalin, se hicieron difíciles incluso las conmemoraciones privadas. A pesar del regreso parcial a las tradiciones nacionales rusas durante la «Gran Guerra Patriótica», esto aseguró en gran parte que la derrota del nazismo sería la experiencia definitoria de Rusia durante el siglo, legitimando el estado Soviético y confirmando su estado como potencia global. Tras 1989-1991 la memoria de la Gran Guerra resurgió de esta sombra, más claramente como la comadrona de la independencia nacional en los estados sucesores al imperio zarista, y con el regreso del estado ruso esto ha continuado, perpetuando la narrativa de que su experiencia no es la típica del resto de Europa.
A forgotten war: World War I in the United States
Authors: MacKenzie Simon P.
Published: August 2018

Este artículo pretende explicar cómo y por qué la Primera Guerra Mundial se convirtió en, y aún permanece hasta este día como, la guerra olvidada en los Estados Unidos de América. Esto lo haremos sobre todo a través de la lente de la cultura popular, examinando diversos modos de memoria histórica que abarcan desde monumentos conmemorativos y museos hasta películas de Hollywood y asociaciones de recreación histórica, aunque también se examinarán artículos académicos y generales. La premisa principal es que mientras los americanos escribían y conmemoraban la Gran Guerra sobre piedra y carrete tanto como el resto del mundo anglosajón en las décadas entre guerras, durante los últimos setenta años en EE.UU. la Primera Guerra Mundial se ha visto eclipsada por la Segunda Guerra Mundial; un conflicto mucho mayor en escala y alcance en términos de la implicación americana, sobre todo en relación a las bajas militares. También se señalará la competición con la Guerra Civil por la atención popular a lo largo del siglo anterior, junto al modo en que la Primera Guerra Mundial tiende a abordarse en las aulas. Para terminar, el porvenir de la Primera Guerra Mundial en la conciencia americana popular se examinará dentro del contexto del próximo centenario de la entrada de EE.UU. en el conflicto.
La conmemoración británica del centenario de la Primera Guerra Mundial
Authors: Spiers Edward M.
Published: August 2018

Este artículo repasa las medidas y evolución de la planificación británica para conmemorar la Primera Guerra Mundial. En él se pone de relieve el hecho de que cualquier comentario sobre esta guerra en Gran Bretaña debe tener en cuenta las normas culturales predominantes. Estas normas han evolucionado a través de gran parte de la poesía, la literatura, el teatro o el cine del siglo pasado, y han pasado a representar la guerra como algo esencialmente vano, con una tremenda pérdida de vidas, que se conmemora mejor a través de los actos anuales de recuerdo por los caídos. Puesto que esta memoria nacional ha prestado escasa atención a tantos trabajos  escritos a lo largo de la última generación repasando la historia militar, los historiadores militares se encontraban entre los más escépticos cuando el gobierno del Reino Unido anunció de modo tardío planes (y niveles irrisorios de financiación gubernamental) para conmemorar la Primera Guerra mundial. Sin embargo, la Heritage Lottery Fund ha completado el vacío en la financiación con 57 millones de libras esterlinas, permitiendo que todo tipo de proyectos florezcan, tanto de importancia nacional, regional o local. A 4-5 de agosto de 2014 se habían celebrado más de 2.330 acontecimientos  incluyendo 519 exhibiciones y múltiples acontecimientos señalaron el estallido de la guerra. Las amapolas fueron de nuevo lo más destacado, en particular las 800.000 amapolas de cerámica en la Torre de Londres, una por cada militar caído.
De puente a fortaleza: la evolución de los países BRICS en la estrategia global de Rusia
Authors: Salzman Rachel S.
Published: August 2018

Rusia ha sido la fuerza motriz de la configuración y el fortalecimiento de la narrativa de los países BRICS (Brasil, Rusia, India, China , Sudáfrica) desde que el grupo comenzó a adquirir una identidad política a mediados de los años 2000. Sin embargo, los motivos de Rusia para fomentar los BRICS han evolucionado considerablemente a lo largo de la última década. A pesar de que la intención inicial de Moscú era emplear el grupo como un recurso retórico para fortalecer la posición de negociación de Rusia con el Oeste, tras la actual situación de crisis en Ucrania, los países BRICS han comenzado a simbolizar para Rusia una alternativa viable a la constante adaptación al sistema internacional liderado por Occidente.
Rusia, China, India y Asia Central
Authors: Blank Stephen
Published: August 2018

La próxima entrada de India en la Organización de Cooperación de Shanghái puede ser importante para Delhi pero no puede deshacer el factor crítico de que China se está convirtiendo cada vez más en el actor extranjero más relevante en Asia Central y que Rusia está dependiendo de China hasta el punto de que su Ministerio de Defensa ha buscado formalmente una alianza con China en contra del terrorismo, «las revoluciones de colores» y los Estados Unidos. China está ganando en la competición por la influencia sobre Asia Central, India apenas es competitiva allí y Rusia está perdiendo terreno paulatinamente, principalmente debido a sus propios fracasos para acrecentar su capacidad económica-política, incluso antes de invadir Ucrania. Las consecuencias de esa jugada tan solo han acelerado el proceso de su creciente dependencia de China.
El Problema de Ruteo e Inventarios en Cadenas de Suministro de Perecederos: Revisión de Literatura
Authors: Batero-Manso Diego Fernando , Orjuela-Castro Javier Arturo
Published: August 2018

Context: This paper presents a literature review of the Inventories Routing Problem (IRP) applied to supply chains of perishable products. Different approaches to solve this problem are identified and described in terms of structures, models and solution methods. Method: A systematic literature review is conducted searching in different bibliographic databases and selecting the most relevant studies within the period 2004 to 2017. The results are analyzed so as to propose a taxonomy to classify and compare the different approaches proposed to address this problem.Results: We identified that the majority of studies consider heuristic-based algorithms to solve the problem. Because of its computational complexity the methods resort to metaheuristics and mateheuristics combined with exact methods. Regarding the application to specific supply chains of perishable products, they refer mostly to processed foods, medicines, and human blood. The constraints that differentiate this problem from other types of IRP are useful life and deterioration.Conclusions: The conditions and particularities of the supply chain of perishables products imply the need to consider new variables, parameters, constraints and objective functions; in the reviewed studies it is not clearly defined the differences involved when considering the perishability of the products in the supply chain. Future research should take into account the multiple ways in which deterioration is carried out with factors such as temperature, light, oxygen, humidity and in some cases microorganisms. Also include in the models the cold chain, hygiene standards, air pollution, emissions of greenhouse gases, generation of waste, occupation of roads and other aspects related to City Logistics and Green Logistics.
La implementación de la actividad experimental desde los fundamentos de la mediación didáctica en docentes en formación en ciencias
Authors: López Benavides Claudia Marcela , Ramírez Acosta Linda Dayana , Espinosa Ríos Édgar Andrés
Published: August 2018

En este artículo se presentan resultados de investigación como producto de un proceso de formación desarrollado en un curso dirigido a estudiantes de últimos semestres de la Licenciatura en Educación con énfasis en Ciencias Naturales y Educación Ambiental, de la Universidad del Valle. El propósito es determinar cómo los fundamentos de la mediación didáctica contribuyen a la implementación de las actividades experimentales para la enseñanza de las ciencias naturales en docentes en formación. Para lograrlo se realizó la observación y análisis de clases de docentes en formación en el contexto del curso y en ambientes escolares. Para lo anterior, se tiene como enfoque metodológico el estudio de caso mediante el seguimiento a dos docentes en formación, matriculados en el curso de Mediación Didáctica de las Ciencias Naturales, ofrecido durante un semestre, con una intensidad horaria de 3 horas semanales en 16 sesiones. Lo anterior implica, la consideración y desarrollo de cuatro momentos: 1) caracterización académica de los docentes en formación; 2) cualificación de los docentes en formación, 3) análisis de los registros fílmicos de las clases realizadas por los docentes en formación; 4) registro de la información, el análisis y las conclusiones. Podemos destacar que uno de los principales aspectos observados está relacionado con las concepciones disciplinares, pedagógicas y didácticas que poseen los docentes, evidenciables en la planificación y desarrollo de las actividades experimentales desarrolladas en las clases. Vimos una importante oportunidad para que los docentes en formación reflexionaran y cuestionaran las estrategias utilizadas abriendo paso al diseño de procesos de enseñanza auténticos y significativos.
Didáctica de las ciencias desde la diversidad cultural y ambiental: aportes para un currículo contextualizado
Authors: Castillo Sandra Elvira Ruiz
Published: August 2018

Este artículo de reflexión documentada forma parte del estado del arte de una investigación doctoral, que se está desarrollando en el DIE de la Universidad Distrital Francisco José de Caldas. Aquí se plantea la importancia de comprender cómo la diversidad cultural y ambiental brindan posibilidades dentro de la didáctica de las ciencias al generar contribuciones que propendan por la configuración de la ciencia escolar contextualizada, teniendo en cuenta elementos de las tramas de significados de las comunidades y las características de la sociedad en las que están inmersas, para enriquecer las construcciones curriculares de los profesores en ejercicio. Lo anterior implica generar sinergias más profundas entre lo formativo y lo educativo, en la medida que si bien este último direcciona los procesos de planeación, construcción y seguimiento curricular (a nivel macro, meso y micro), la formación permea ámbitos sociales como el personal, familiar y el comunitario (al vincular aspectos políticos, éticos y axiológicos de los sujetos), los cuales están en constante configuración en el mundo de la vida dentro de las experiencias y decisiones que se construyen día a día. En este sentido, la posibilidad de vincular la diversidad cultural y ambiental permite construir escenarios didácticos que contribuyan a la exploración de entramados dinámicos de sentido y significado que trascienden y trasforman, tanto la subjetividad de cada persona como las intersubjetividades que se consensan y construyen con los demás dentro de un contexto, reconociendo así que la dignidad humana, la calidad de vida y la ciudadanía son ámbitos de influencia directa de las ciencias, tanto en la escuela como fuera de ella. Finalmente, como conclusiones se referencia que la diversidad cultural y ambiental implica pensar un currículo donde las posturas psicológicas o cognitivas del aprendizaje y de la enseñanza trascienden hacia concepciones más antropológicas y sociológicas de la educación.
Currículum: entre utopía y realidad
Authors: Velazco Martha
Published: August 2018

Autor: Ángel Díaz Barriga.Editorial: Amorrortu.Año de publicación: 2015.Idioma: español.Número de páginas: 224.
The Credibility of Faith and Paranormal Phenomena
Authors: Andrewald Andrzej
Published: August 2018

The aim of those deliberation is focused on answering the questions: Can paranormal phenomena be attributed to a function in an act of faith? In this study paranormal phenomena are investigated on the background themes of the credibility of Christian faith. The whole discussion involves three stages: characterization of paranormal phenomena (1), clarification of the motives of the Christian faith and their verification of the example of a miracle (2), as well as presentation along with analysis challenges from the side of paranormal phenomena for the credibility of Christian faith (3).
Andrei Bolotov’s eschatology
Authors: Drozdek Adam
Published: August 2018

Expecting the arrival of the seventh millennium in 1836, Bolotov wrote in 1823 his eschatological treatise in which he first presented proofs of the immortality of the soul followed by his vision of the afterlife. The proofs were mostly traditional, with one of the relying very heavily on Jung-Stilling’s pneumatology. Bolotov also presented his vision of apocalyptic events: the first resurrection at the beginning of the seventh millennium, and at its end the second coming of Christ, the second resurrection, the last judgment, the end of the old world and the arrival of the new heaven and new earth. Bolotov also provided fairly detailed description of this new earth.
Die Hilfe für kranke und alte Menschen in der postmodernen Gesellschaft nach Papst Franziskus
Authors: Celary Ireneusz
Published: August 2018

The situation of the elderly and ill in the contemporary postmodern society constitutes a serious challenge for contemporary societies as well as for pastoral work of the Church. Reflections of Pope Francis describing the fate of the elderly and ill in the contemporary reality are to be found in the above article. The issue has been discussed in the following subsections: “Competences of the postmodern society towards the elderly and ill” (chapter I); “The significance of the Christian community for the life of the elderly and ill” (chapter II); “The objectives of the pastoral conversation” (chapter III).
„Eli, Eli, lema sabachthani” (Mt 27,46). Aramejskie wyrażenia w greckim tekście Nowego Testamentu
Authors: Ostański Piotr
Published: August 2018

There is no doubt that in Jesus’ times the three ancient languages, Hebrew, Aramaic, and Greek were commonly spoken in Roman Palestine. It is also beyond discussion that Jesus’ mother tongue was Aramaic.There are many Aramaic wordings in the Greek New Testament that are hinting at the original language of Jesus’ sermons. The aim of this paper is to investigate three Aramaic phrases in the Greek Gospels: Jesus’ cry from the cross (Eli, Eli, lema sabachthani?; Mt 27:46; Mk 15:34), his command to the daughter of Jairus (Talitha koum; Mk 5:41) and his allusion to Aramaic characters (iōta – keraia; Mt 5:18).Furthermore, there are also many Aramaic common words and proper names (personal and place names) in the Greek New Testament. They will require an extra future research.
Świętość Kościoła w ujęciu św. Piotra Chryzologa
Authors: Kochaniewicz Bogusław
Published: August 2018

The article Holiness of the Church according to Sermons of St. Peter Chrysologus presents one aspect of the ecclesiology of the bishop of Ravenna. Among the most popular questions, which are evidenced in his theological reflection, it is necessary to evidence, that Church Fathers focus their attention on an ontological aspect of the Church’s holiness which finds its foundation in Christ. Frequent references to ideas of the Mystical Body of Christ or the Church as a spouse of Christ confirm our opinion. It is necessary to admit that these themes, like other questions, developed in Chrysologus’s sermons (the role of the sacrament or belief that there is no salvation outside the Church) are already known in the patristic literature. Therefore the ecclesiology of the bishop of Ravenna is not original. However, taking into consideration the pastoral dimension of his teaching, it is clear that the objective of his sermons was different than to present an ecclesiological treatise.The results of analytical researches allow to complete the picture of the doctrine of the Church by its unknown aspect, contained in the teaching of the bishop of Ravenna.
Źródła i przedmiot nauczania katechetycznego w ujęciu prawa kanonicznego
Authors: Adamczyk Jerzy
Published: August 2018

The following article deals with the sources and subject of religious teaching from the canon point of view. Canon Law Code 760 specifies the Holy Bible as the first and primary source of religious education. The next fundamental source of cathesis is Tradition, then, the liturgy and the Magisterium and Church life. The subject of word ministry (religious education) should be the mystery of Christ presented entirely and faithfully, taking the law hierarchy into account.
Cost Analysis of Implementing a Video-Based eHealth Intervention for HIV-Positive Gay, Bisexual, and Other Men Who Have Sex With Men
Authors: De Prabal , Downing Martin J. , Hirshfield Sabina
Published: August 2018

Clinician-delivered HIV prevention interventions are common and often effective but have small reach, particularly in remote, rural, or sparsely populated areas. Electronic health (eHealth) interventions may be an efficient alternative to providing HIV prevention to geographically dispersed or traditionally hard-to-reach populations, though eHealth interventions tend to have high start-up costs. We present cost data from a video-based eHealth intervention, Sex Positive!, among 1,208 U.S. gay, bisexual, and other men who have sex with men living with HIV. Specifically, we provide estimates for the cost of the intervention, overall, and per participant based on funding amounts. The total average cost per participant was $1,021. Sensitivity analyses demonstrated that reaching more participants would greatly reduce the average cost per participant. Findings indicate that the cost per person engaged in an eHealth HIV intervention is consistent with previous studies, and that further scaling up would greatly reduce the cost while increasing reach.