bluuebunny/crossref_metadata_2025_split huggingface dataset:
Intravesical alprostadil as a promising agent in BK virus-associated hemorrhagic cystitis: A report of a refractory case
Authors: Shamsian Shahin , Saffaei Ali , Malek Fatemeh , Khafafpour Zahra , Latifi Abtin , Karamat Mahdieh , Mirrahimi Bahador 
Published: November 2021

Allogeneic stem cell transplant recipients are at risk of BK virus-associated hemorrhagic cystitis. This condition causes a significant morbidity and worsens clinical outcomes. The standard cares for BK virus-associated hemorrhagic cystitis are saline irrigation and forced diuresis. Notably, several beneficial roles are proposed for antiviral and anti-inflammatory agents against BK virus-associated hemorrhagic cystitis. However, cases who are at risk of cystectomy remain refractory. Herein, we present a 13-year-old boy with severe hematuria by passing two months from his allogeneic stem cell transplantation. The laboratory work up showed high BK viremia >1.1 × 10 copies/ml in this case's urine sample. The patient was treated with antiviral agents in combination with supportive care. Moreover, intravesical alum was administered, but no clinical benefits were achieved. Finally, intravesical alprostadil was prepared under the supervision of a pediatric clinical pharmacist. In this regard, an alprostadil solution was prepared by constitution of 250 μg alprostadil in 50 mL saline. After administrating the first dose of intravesical alprostadil, an acceptable clinical response was observed, and hematuria stopped. Of note, alprostadil induces platelet aggregation and vasoconstriction. Thus, bleeding can be controlled after the administration of intravesical alprostadil. This strategy may be associated with several side effects including bladder spasm. This study is the first report describing the special role of intravesical alprostadil in refractory cases of BK virus-associated hemorrhagic cystitis. In such refractory cases, clinicians can use intravesical alprostadil rather than invasive therapies in the treatment of BK virus-hemorrhagic cystitis.
COVID-19-related sudden sensorineural hearing loss
Authors: Yaseen Nada Khaleel , Al-Ani Raid M. , Ali Rashid Rasheed 
Published: November 2021

Background: Sudden sensorineural hearing loss (SSNHL) can be a feature of COVID-19. It may present alone or with other symptoms of the disease. However, there is little written in the literature about its occurrence. We aimed to evaluate the socio-clinical characteristics and outcome of confirmed mild- to moderate COVID-19 cases with SSNHL in Tikrit city, Iraq.
Materials and Methods: This descriptive study was conducted at the Otolaryngology Department, Tikrit General Hospital, Tikrit city, Iraq. The period of the study was from December 1, 2020 to June 30, 2021.Mild and moderate COVID-19 subjects confirmed by real-time polymerase reaction were included in the study. Detailed demographic (age, gender, and smoking habit) and clinical characteristics (onset and duration of deafness, side, severity, associated ear, nose, and throat symptoms, and comorbidity) were recorded for every patient. Outcomes following the steroid treatment protocol were also registered.
Results: SSNHL was identified in 26 patients, of whom 20 (76.9%) were women, 20 (76.9%) were in the age group ≥ 30 years, and 21 (80.8%) were non-smokers. Around three-quarters of the subjects were identified within the first week of deafness occurrence. Bilateral (18/26) was more common than unilateral deafness (8/26); therefore, the total number of deaf ears was 44. Besides, bilateral symmetrical deafness (13/18) outnumbered the asymmetrical type (5/18). Around three-quarters were of moderate severity. The most common otological symptom was tinnitus (25/26). The most common nose and throat symptom was anosmia (6/26). The mean hearing threshold before and after treatment with oral steroids ± intratympanic steroids was 50.91 ± 11.777 dB and 40.24 ± 15.693, respectively. One patient with bilateral SSNHL was lost to follow-up; the remaining number of deaf ears was 42, and half of them were partially improved. The outcome of the treatment showed no statistically significant relation with the duration, side, and severity of SSNHL (p>0.05).
Conclusion: The majority of COVID-19-related SSNHL cases presented within one week of onset, with bilateral outnumbering unilateral cases. Tinnitus was the most common associated symptom. Treatment with steroids achieved partial improvement in half of the cases, and this outcome was not affected by the duration, side, and severity of deafness.
Are blood groups related to the distribution and severity of COVID-19? A cross-sectional study in a tertiary care hospital in South India
Authors: Pasangha Elaina , Dhali Arkadeep , D'Souza Christopher , Umesh Soumya 
Published: November 2021

Background: Blood groups are inherited traits that affect the susceptibility/severity of a disease. A clear relationship between coronavirus disease 2019 (COVID-19) and ABO blood groups is yet to be established in the Indian population. This study aimed to demonstrate an association of the distribution and severity of COVID-19 with ABO blood groups. Methods: A cross-sectional study was conducted after obtaining ethics approval (IEC 207/20) among hospitalized patients using in-patient records and analyzed on SPSS-25. Chi-square tests were used for the analysis of categorical data and independent sample t-test/Mann–Whitney U tests were used for continuous data. Results: The B blood group had the highest prevalence among COVID-19-positive patients. The AB blood group was significantly associated with acute respiratory distress syndrome (ARDS) (p = 0.03), sepsis (p = 0.02), and septic shock (p = 0.02). The O blood group was associated with significantly lower rates of lymphopenia and leucocytosis. However, no significant clinical association was seen in the O blood group. Conclusion: This study has demonstrated that blood groups have a similar distribution among patients hospitalized with COVID-19 in the South Indian population. Additionally, it preludes to a possible association between the AB blood group and ARDS, sepsis, and septic shock. Further studies having a larger representation of AB blood groups, especially in patients hospitalized for critical COVID-19, with adjustment for possible covariates, are warranted to provide a reliable estimate of the risk in the South Indian population.
Influence of data burst collision on transmission of AWS data through satellite
Authors: MUTHURAMALINGAM E. , KUMAR SANJAY , VASHISTHA R. D. 
Published: November 2021

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Automatic Weather Station (AWS) is a system consisting of sensors, associated field sub-systems and communication equipment, which automatically and continuously measure real time surface weather conditions and sends three times the hourly observed meteorological parameters to the central station through satellite link in a self timed pseudo random manner in its prescribed 10 minute time slot within the next 60 minutes before the next observation takes place. Loss of AWS data is due to collision of data burst transmitted simultaneously by any two or more AWS. Generally, the collision of AWS data burst depends upon the transmission time or transmission baud rate, number of AWS in a network and total number of bits in AWS data burst. This paper describes the influence of data burst collision on transmission of AWS data through satellite.
An account of fog over Chennai
Authors: SURESH R. , JANAKIRAMAYYA M. V. , SUKUMAR E. R. 
Published: November 2021

Climatologically (based on 1951-1980) the annual fog frequency of Chennai airport is 4.3 days. But, the operational aviation meteorological forecasters often experienced more number of foggy days during the past decade. Hence the fog frequency has been critically analysed based on current weather observations made by aerodrome meteorological office, Chennai during 1981-2002 (barring 1984 for which data is not readily available). It has been found that the annual frequency based on the present study has shot up to 21.5 days. The most favourable period for fog over Chennai airport has been identified as January followed by February and March. The formation of fog has been mostly observed during 0000-0200 UTC although in good number of cases it was during 2200-2400 UTC. The most common duration of fog is 60-120 minutes albeit duration as high as 540-570 minutes are also probable. The low level (surface) nocturnal inversion frequency has alarmingly increased during 1990s and the inversion is almost a day-to-day phenomenon during 2000s. Rapid urbanisation, vehicular traffic and industrial growth could be the cause for the increased atmospheric pollution which has increased the nocturnal stability conditions as well the fog frequency. Visibility as low as zero had been recorded on a number of cases and their causes have been analysed. Neutral or absolutely unstable stratification at 1200 UTC coupled with high relative humidity and high concentration of pollution cause the fog to form from 2200 UTC onwards and the nocturnal surface inversion / isotherm at 0000 UTC maintains the fog. Though the low level inversion maintains the fog once it is formed already, inversion alone is not a sufficient condition for the formation of fog.
Role of aerosols in deciding pH of rainwater
Authors: SHENDE R. R. , RAVINDRAN USHA , BHONDAVE S. D. , DESHMUKH A. R. KONDE 
Published: November 2021

Nature of precipitation – alkaline or acidic – depends upon the concentration of major water soluble inorganic gaseous and soil derived particulates dissolved in it. If concentration of cations is higher than that of anions, the precipitation becomes alkaline and vise-a-versa.
pH is the main parameter indicating the nature of precipitation. If pH of the solution is < 5.65, it is acidic and > 5.65, alkaline, in the pH scale ranging between 0 & 14.
Difference in the chemical composition of rainwater having pH in the alkaline range and acidic range has been studied in this paper. For this purpose, precipitation chemistry data of Allahabad, Jodhpur, Mohanbari and Nagpur for the period 1988-97 have been considered. APWM & S.D. have been worked out. Precipitation chemistry data considering APWM values in acidic range and in alkaline range have been separated and compared. Coefficients of correlation have been calculated in possible cation-anion combinations.
It is seen that the lowest pH values (monthly mean) have been recorded during 1997 – MHB (3.77), NGP (4.12), both in acidic range. % Frequency of occurrences of pH values in acidic range was the highest at Mohanbari (66%) in the study period. Jodhpur recorded all pH values in alkaline range indicating influence of soil derived alkaline particulates. Among cations Ca+² has shown its dominance over all cations. Jodhpur has recorded the highest APWM value of Ca+² (9.27mg/lit) in 1997.
Data have also been compared with WMO Laboratory simulated acid rain sample analysis data and other non-departmental data.
Results are discussed in the paper.
Strange attractor in earthquake swarms near Valsad (Gujarat), India
Authors: SRIVASTAVA H. N. , BHATTACHARYA S. N. , RAO D. T. , SRIVASTAVA S. 
Published: November 2021

Valsad district in south Gujarat near the western coast of the peninsular India experienced earthquake swarms since early February 1986. Seismic monitoring through a network of micro earthquake seismographs showed a well concentrated seismic activity over an area of 7 × 10 km2 with the depth of foci extending from 1 to 15 km. A total number of 21,830 earthquakes were recorded during March 1986 to June 1988. The daily frequency of earthquakes for this period was utilized to examine deterministic chaos through evaluation of dimension of strange attractor and Lyapunov exponent. The low dimension of 2.1 for the strange attractor and positive value of the largest Lyapunov exponent suggest chaotic dynamics in Valsad earthquake swarms with at least 3 parameters for earthquake predictability. The results indicate differences in the characteristics of deterministic chaos in intraplate and interplate regions of India.
Etat de santé et présentéisme des soignants
Authors: Dumas Marc , Berthe Bénédicte 
Published: November 2021

L’article cherche à démêler les liens complexes et les interactions entre état de santé dégradé, absentéisme et présentéisme. La problématique soulevée par cette étude porte sur les interactions entre trois paramètres que sont la santé, l’absentéisme et le présentéisme du personnel soignant. La recherche s’articule autour de 3 questions principales : Quelle est la validité des catégories construits à partir des données d’absentéisme et de présentéisme auto-déclarées ? Quels sont les principaux déterminants de santé du présentéisme et de l’absentéisme ? Quelle(s) relation (s) l’étude peut-elle établir entre le présentéisme et l’absentéisme en analysant les catégories de présentéisme, absentéisme?. La méthodologie mobilisée s’appuie sur un questionnaire quantitatif composé de 96 questions. 136 réponses complètes sont traitées à l’aide du logiciel SPSS 21. Notre catégorisation est validée non pas par les caractéristiques personnelles ou professionnelles mais par l’auto-déclaration sur l’état de santé perçu. Nous n’observons pas de facteurs explicatifs du présentéisme autre que l’état de santé. Les maladies ou douleurs chroniques et le mauvais état de santé expliquent aussi bien l’absentéisme que le présentéisme. Le harcèlement ou un problème relationnel au travail est lié à un mauvais état de santé et à l’absentéisme. La charge de travail et la dégradation de leur santé physique et psychologique, va diminuer le présentéisme des « pures présentéistes » donc favoriser l’absentéisme. Ce phénomène va s’amplifier puisque les « présentéistes-absentéistes », eux-mêmes seront moins présentéistes et plus absents, pour des raisons similaires. Les résultats montrent ainsi que le présentéisme favorise un accroissement de l’absentéisme.
Micromorphological Characteristics of Fruit Surfaces of Some Usable Species of the Genus Valeriana (Valerianaceae) Among Ukrainian Flora
Authors: Tsarenko Olga , Shikhaleyeva Galina , Minarchenko Valentyna , Tymchenko Iryna , Bulakh Olena 
Published: November 2021

Abstract
The micromorphological features of the fruit surfaces of nine species of Ukrainian flora, namely
Valeriana tuberosa
L.,
Valeriana tripteris
L.,
Valeriana rossica
P. Smirn.,
Valeriana stolonifera
Czern.,
Valeriana grossheimii
Worosch,
Valeriana sambucifolia
Mikan fil.,
Valeriana officinalis
L. s. str.,
Valeriana wolgensis
Kazak. [
Valeriana officinalis
var.
nitida
(Kreyer) Rostanski], and
Valeriana simplicifolia
(Rchb.) Kabath, were examined. Depending on the presence and localization of pubescence on the surface of the fruit, three groups of species were distinguished: those with glabrous fruits, those with fruits pubescent only on the adaxial side, and those with fruits pubescent on both sides. Scanning electron microscopy revealed the additional characteristics of the fruits (microsculpture of the fruit surface, shape of cuticular formations on the surface of the outer periclinal walls of epidermal cells and on the surface of hairs, and structure of the stomatal complex), which were useful for the identification of the species. At the supraspecific level, the revealed features of the fruit surfaces somewhat overlapped and could be used to identify series and sections only as additional features. Based on the studied samples from herbarium material (KW),
V. officinalis
var.
nitida
was considered synonymous with
V. wolgensis
since there were no micromorphological differences between their fruits. The detailed micromorphological characteristics of the fruit surfaces of all the studied species can be used for further comparative morphological investigations of different aerial parts to identify stable features independent of geographic and ecological conditions.
Avaliação da qualidade da água e cargas difusas em microbacias hidrográficas - estudo de caso na bacia do rio Ribeirão da Serra (Poços de Caldas-MG)
Authors: Souza Antonio de 
Published: November 2021

A poluição de corpos hídricos superficiais por cargas difusas configura-se em um dos maiores problemas ambientais atuais. O presente trabalho teve como objetivo avaliar a qualidade da água e as cargas difusas de poluição hídrica na bacia hidrográfica do rio Ribeirão da Serra (Poços de Caldas-MG). Para a avaliação da qualidade da água foram estabelecidos dois pontos de amostragem, o ponto 1 (P1) localizado na região das nascentes e o ponto 2 (P2) em área urbana. Nestes pontos foram medidas, em dois períodos sazonais (chuvoso e estiagem), as seguintes variáveis: temperatura, condutividade, oxigênio dissolvido, sólidos totais dissolvidos, sólidos totais suspensos, fósforo total e vazão. Para a estimativa do aporte de cargas difusas na bacia, foi produzido um mapa de uso e ocupação do solo e utilizado o Modelo Matemático de Correlação Uso do Solo e Qualidade da Água (MQUAL). Os resultados demonstraram a influência da área urbana na qualidade da água para as variáveis condutividade, sólidos totais dissolvidos e fósforo total com valores elevados no ponto P2. Com relação às cargas difusas, o modelo permitiu verificar que os maiores aportes diários de nitrogênio total, DBO, sólidos totais suspensos e coliformes totais, foram provenientes da área urbana da bacia. Isto indica os impactos que esta área provoca no meio aquático. O presente estudo pode subsidiar o desenvolvimento de metodologias regionais de avaliação de cargas poluidoras difusas em bacias existentes no município. Além disto, pode incentivar os gestores locais à tomada de decisões no que concerne ao planejamento adequado do uso e ocupação do solo em bacias hidrográficas urbanas.
Effect of Deficit and Optimum Irrigation at Various Growth Stages on Yield Attributes, Yield and Economics of Summer Sesame
Authors: Neeshma P. , Devi K. B. Suneetha , Rathod B. Shobha , Chaitanya A. Krishna 
Published: November 2021

Aims: Sesame is grown in the country since antiquity. Sesame has high nutritional benefits and is utilized in numerous cooking styles everywhere globally. Sesame is called as the queen of oilseeds for the reason of its top notch polyunsaturated stable fats that limit oxidative rancidity and contains high oil content (up to 60%). Sesame is cultivated in summer in the North Telangana in turmeric and rice fallows. Low productivity in sesame is primarily due to rainfed planting on sub-marginal and marginal lands with poor management and low investment. To solve the upcoming challenges and in view of the improving yield and acquire higher returns, precised water management strategies need to be formulated. Hence the present investigation is proposed to study the effect of deficit and optimum irrigation at various growth stages on yield and economics of sesame crop grown in summer.
Study Design: The experiment was laid out in a randomized complete block design.
Methodology: A field experiment was conducted at Agricultural college, Polasa, Jagtial district during summer 2021 to study the effects of water deficit and optimal irrigation at various growth stages on yield and economics of summer sesame. The study is conducted with eight deficit and optimum irrigation treatments (T1 to T8) and replicated thrice.
Results: The results of this experiment manifested that scheduling irrigation at vegetative, prebloom, flowering, capsule initiation and capsule filling stages (T8) registered highest yield attributes, yield and economic parametersviz., no of capsules plant-1 (45),capsule weight (0.32 g) and no of filled seeds capsule-1 (55), seed yield (1150 kg ha-1), stalk yield (1999 kg ha-1), gross returns (128499 ha-1), net returns (94391 ha-1) and benefit cost ratio (2.76).
Colon Cancer with Complete Pathological Response to Only 1 Cycle of Capecitabine: Treatment Modification in the Perspective of COVID-19 Pandemic
Authors: Ali Jhatial Mussadique , Naeem Iqra , Shaikh Naila , Sheikh Rizwan Masood 
Published: November 2021

Incidence of colorectal cancer has surged in the past few decades, currently it accounts for approximately 10% cancer related mortality. Upfront curative surgery is the main stay of treatment for localized disease followed by adjuvant chemotherapy for high-risk disease; however, neo adjuvant chemoradiation followed by surgery and chemotherapy is a standard treatment for rectal cancer. Here, we present a case of a young male aged 33 years with eight months’ history of per rectal bleeding, associated with fever and weight loss who was later diagnosed as sigmoid colon adenocarcinoma. The patient managed to have only one cycle of neoadjuvant capecitabine, as his definitive surgery was delayed due to the rife in pandemic situation of Covid-19. Notably, follow up laparoscopic LAR specimen showed no residual disease, nevertheless, there was an eosinophilic abscess with a giant cell reaction and Ova of Ascaris lumbricoides, which seemingly contributed in achieving pathological complete response with minimal therapy.
Knowledge Regarding Risk Factors and Preventive Measures of Varicose Vein among Intensive Care Unit Staff Nurses
Authors: George Rose Mary , Rathod Angel Samson 
Published: November 2021

Background: Varicose vein has disturbed humans since ancient days as a chronic disorder. According to the current statistics given by the Express health care, approximately 2.7 million people worldwide suffer with varicose veins. If left untreated and undiagnosed, varicose veins can end up with pooling of blood in the venous system and further complications.
Aim and Objectives: Aim of the study was to assess the knowledge of staff nurses regarding risk factors and preventive measures of varicose vein. The study objectives were to assess the knowledge of staff nurses working in intensive care units regarding risk factors and preventive measures of varicose vein, to develop an evidence-based information booklet for staff nurses regarding prevention of varicose veins and to find out the association between the knowledge scores of staff nurses regarding risk factors and preventive measures of varicose vein with selected demographic variables.
Materials and methods: A quantitative research approach with a non-experimental descriptive survey research design was used to select 60 staff nurses working in the ICUs using convenience sampling method. The data was collected using a structured knowledge questionnaire developed by the researchers. Data was analysed using descriptive and inferential statistics using SPSS.
Results: The study results showed that 53% of the staff nurses had adequate knowledge scores regarding the risk factors and preventive measures of varicose veins whereas 30% had moderate knowledge, and 17 % had inadequate knowledge scores. Significant association was found between demographic variables such as age, experience and education of staff nurses with their knowledge scores.
Conclusion: Approximately only half of the study participants had adequate knowledge regarding risk factors and preventive measures of varicose vein. Hence it is recommended that extensive educational sessions to be conducted for further enhancement of awareness of staff nurses related to prevention and management of varicose veins.