cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.6084/m9.figshare.14289099
title: Complications in the endoscopic and endoscopic-assisted treatment of juvenile nasopharyngeal angiofibroma with intracranial extension,

description: Introduction: Although it is a rare neoplasm, juvenile nasopharyngeal angiofibroma (JNA) is associated with high rates of morbidity and mortality, with the potential for intracranial extension. Surgical excision is the main treatment. The external approach has largely been replaced by the endoscopic approach in small lesions, and it can be used as a complement in more advanced cases. However, there is no consensus in the literature regarding the complications of surgical treatment of JNAs with intracranial extension. Aim: To assess the prevalence of complications in endoscopic or endoscopic-assisted surgical treatment of JNA with minimal intracranial invasion. Methods: This was a retrospective cohort study of all patients with JNA with intracranial extension (Radkowski grade IIIa) treated with endoscopic, endoscopic-assisted, and external surgery from January of 1996 to May of 2010. Results: Thirteen patients underwent surgery. Endoscopic surgery was performed in three patients, without postoperative complications; endoscopic-assisted surgery in three others, with two instances of complications, and external surgery in seven. Conclusions: Operative treatment of nasopharyngeal angiofibroma with intracranial extension is one of the major challenges of ENT and neurosurgical practice. The success rates and low intra- and postoperative complication rates of endoscopic surgery suggest that this route has been gaining ground in the management of Radkowski grade IIIa JNAs.
DOI: 10.6084/m9.figshare.14289098
title: Forestier's disease and its implications in otolaryngology: literature review,

description: Introduction: Forestier's disease affects the spinal column of primarily elderly men. It is not rare, but it is often undiagnosed and can lead to significant morbidity and mortality. When it affects the cervical spine, it can result in important otorhinolaryngological manifestations. Objective: To analyze the pharyngeal and laryngeal symptoms of the Forestier's disease. Methods: Literature review of the Web of Knowledge, PubMed, and SciELO databases and of the ten most frequently cited journals in the field of otorhinolaryngology. Additionally, a manual search was performed for publications in the reference lists of selected articles, mostly those of a historical nature. Results: The etiology of the disease is still unclear. Symptoms of complications are more significant than the disease itself. Dysphagia is the most common cervical symptom and has several involved mechanisms. Other symptoms are sleep apnea, pharyngeal globus, coughing, dysphonia, dyspnea, otalgia, and medullary compression. The diagnosis is verified by appropriate radiological study. Treatment is based on a conservative strategy. Patients with refractory dysphagia and respiratory impairment can be surgically treated. Conclusion: Forestier's disease should be suspected in elderly patients with the major symptoms of complications, which are common in otorhinolaryngology practice and when identified, a multidisciplinary approach should be instituted as soon as possible.
DOI: 10.6084/m9.figshare.14289095
title: Adherence of obstructive sleep apnea syndrome patients to continuous positive airway pressure in a public service,

description: Introduction: The standard therapy for obstructive sleep apnea syndrome (OSAS) is continuous positive airway pressure (CPAP), but its correct and frequent use is essential to control the disease. Purpose: To analyze adherence to CPAP among patients with OSAS treated in a multidisciplinary outpatient clinic of a public tertiary hospital. Methods: This was a retrospective study evaluating 156 patients with OSAS who underwent polysomnography for CPAP titration from 2008 to 2011. The patients were divided into two groups, those with good adherence to CPAP (a mean use of four or more hours per night) and those with poor adherence. The groups were compared regarding the following data: gender, age, body mass index, associated diseases, AHI at diagnostic polysomnography, and pressure (cmH2O) suggested by titration polysomnography. Results: 125 patients were analyzed, and it was observed that 82 of the patients (65%) had good adherence, whereas 43 (35%) showed poor adherence. Comparison between groups revealed that patients with a higher apnea-hypopnea index (AHI) were those who better adhered to treatment with CPAP. Conclusions: the rate of adherence to CPAP among OSAS patients undergoing clinical monitoring at a public service was 65%. Patients with a higher AHI were those who adhered better to treatment with CPAP.
DOI: 10.6084/m9.figshare.14289093
title: Amplitude and speed of masticatory movements in total laryngectomy patients

description: Introdution: Laryngectomy is a surgical procedure that aims to remove the hyoid bone and the larynx and its muscles; it is inferred that a destabilization of the hyoid-mandibular axis will occur, consequently changing chewing. Objective: To characterize the amplitude and speed of chewing in laryngectomies and to compare them with two groups of non-laryngectomized individuals differentiated by age. Method: 72 volunteers were divided into three groups: (A) 32 volunteers, mean age 22.3 years, 17 females; (B) 20 volunteers, mean age 53.2 years, 10 females, and (C) 20 volunteers who underwent total laryngectomy, mean age 61.5 years, one female. Electrognathography, a method that tracks and measures millimeter jaw movements, was used for evaluation. Results: Significant diferences were observed between groups A and C in masticatory amplitude and speed. Conlcusion: Age, and adaptive and compensatory changes appear to explain chewing better than factors related to total laryngectomy.
DOI: 10.6084/m9.figshare.14289091
title: Auditory pathways' maturation after cochlear implant via cortical auditory evoked potentials,

description: Introduction: Evaluation of cortical auditory evoked potentials in children with cochlear implants has been proven to be an effective method for assessing cortical maturation after electrical stimulation. Objective: To analyze the changes in latency values of cortical auditory evoked potentials before and three months after cochlear implant use. Material and methods: This was a case-control study with a group of five children using cochlear implant awaiting activation of the electrodes, and a control group composed of five normal-hearing children. Auditory electrophysiological assessment was performed by the testing of the cortical auditory evoked potentials at two different periods: prior to cochlear implant activation and after three months of cochlear implant use. Results: A significant decrease in the latency time of the P1 component was observed after three months of stimulation via cochlear implant, whose values were higher than those from the control group. The younger the child was at electrode activation, the greater the reduction in latency of the P1 component. Conclusion: Changes in the characteristics of cortical auditory evoked potentials can be observed in children who receive cochlear implants; these changes are related to the age of intervention, suggesting a rapid maturation of the auditory pathways after electrical stimulation.
DOI: 10.6084/m9.figshare.14289087
title: Facilitators and Barriers faced by Mobile Payment Fintechs in the Brazilian Context

description: ABSTRACT Fintechs have created a new global financial reality, providing access to services that were previously provided only by banks. This article aims to identify facilitators and barriers faced by mobile payment fintechs for their entry and development in the Brazilian context. The research method was a single case study, whose unit of analysis was the mobile payment fintech sector in the Brazilian context, involving nine companies in this industry. As a result, we identified that several factors act as facilitators to the entry and development of fintechs, such as convenience and focus of their solutions, innovation in the use of technology, collaboration, and partnerships between fintechs. However, several barriers are faced in the emergence and development of these companies, such as regulatory issues, investment needs, difficulties in finding partners, and conflicts of interest with major players in the financial market. These results offer inputs to fintech entrepreneurs and suggest directions to regulators and public policymakers.
DOI: 10.6084/m9.figshare.14289086
title: The Influence of Perceptions of Risks and Benefits on the Continuity of Use of Fintech Services

description: ABSTRACT New technologies have been driving the global financial market, including fintech companies, which provide disruptive financial services in which information technology is the key factor. The objective of this study is to identify which factors most influence intentions to continue using these companies’ products. To achieve this, research by Ryu (2018) was replicated. Our adopted model evaluates the weight of seven factors composing two latent variables - perceived risk and perceived benefit - in the continuity of use of these services. The data collection was performed through an electronic survey, distributed through social networks during May and June of 2019. The main results confirmed seven of the eleven initial hypotheses, highlighting that the perceived benefits, especially the economic ones, were relevant to early adopters and seamless transactions were relevant for late adopters. Surprisingly, perceived risk was not a determinant of continuance intention. One of the contributions of this study is that it indicates some possible demographic and behavioral characteristics of Brazilian fintech consumers, opening up space for a better understanding of the market and service improvements.
DOI: 10.6084/m9.figshare.14289083
title: Understanding the Integration of Socio-Technical Actors for Sharing and Sustainable Urban Mobility

description: ABSTRACT In the search for sustainability and urban reconfiguration, this research analyzes a business model used in sustainable urban mobility initiatives that integrates public and private agents (socio-technical actors - ST-actors) in Fortaleza (Brazil). An integrated case study was carried out with two initiatives: VAMO Fortaleza (e-carsharing) and Bicicletar (bike sharing). Interviews were conducted with the protagonist ST-actors, and documents were analyzed focusing on shared urban mobility. We observed that the initiative implementation integrates ST-actors through public-private partnerships. Based on that, a schematic model was designed to illustrate ST-actor integration as a business model that can be replicated in other contexts using sharing economy principles. In the context of the urban mobility reconfiguration focused on sustainability, we explore a case which has been internationally recognised and we present an underexplored theme about sharing economy initiatives that can be practised.
DOI: 10.6084/m9.figshare.14289082
title: Attributes of a Relationship Management Model for the Public Sector (CiRS Exec)

description: ABSTRACT The New Public Management has encouraged the adoption of managerial tools by the public administration. In this context, the Citizen Relationship Management (CiRM) strategy allows for the improvement of the relationship with citizens and encourages citizenship. Thus, this research aims at identifying evidence for validity and reliability of a citizen relationship scale (CiRS Exec) for the Federal Executive Branch in Brazil, as well as a citizen’s satisfaction index. Exploratory and confirmatory factor analyses have been used, through structural equation modeling. The measurement model has presented good adjustment and a unifactorial structure scale named ‘Citizen Relationship’, comprising 13 items.
DOI: 10.6084/m9.figshare.14289081
title: Influence of the Diagnostic and Interactive Use of the Budget on Managerial Performance Mediated by Organizational Commitment

description: ABSTRACT The objective of this study is to evaluate the influence of the diagnostic and interactive use of the budget on managerial performance, as mediated by organizational commitment. A survey was carried out using Brazilian textile industry companies as a population, and the sample consists of 133 respondents to the questionnaire. Structural equation modeling was used to test the hypotheses. The results showed that the diagnostic and/or interactive use of the budget influences organizational commitment, as well as influencing managerial performance. The organizational commitment variable had a total mediating effect on the relationship between the use of budgetary control system and managerial performance, indicating that forms of budget use affect managerial performance only when managers are committed to the organization. Based on the results, we concluded that forms of budget use had influence on organizational commitment and on the managerial performance in the surveyed companies. These results advance the literature as they reveal that the diagnostic use and interactive use of the budget are antecedent variables of organizational commitment, leading to behaviors at work that can contribute to increasing managerial performance.
DOI: 10.6084/m9.figshare.14289080
title: Intellectual Structure Of Ongoing Studies on Business Schools

description: ABSTRACT We examined the extant research on Business Schools (B-Schools) in an attempt to understand the intellectual structural influences in mainstream research, as well as the evolution and trends in research. Through a bibliometric study of co-citation and bibliographic coupling, supported by factor and network analyses of a sample of 493 articles, we examined 76 selected articles and their references. The results indicate that critiques of B-Schools influenced mainstream works. We found three primary sources of criticism at the intellectual level: Theory and Practice Gap, Social Relevance, and Curricula and Practice. The mainstream works identified six different topics: B-School Relevance, Teaching Relevance, Relevance to Practice, Curricula Relevance, B-School Evolution, and Influence, and Reputation. The longitudinal analysis identified four trends: Relevance to Practice, Social Relevance, Academic-Practitioner Divide, and Teaching Relevance. Through our bibliometric research, we contribute to the B-Schools research in two ways. It enabled the identification of works and themes that influenced reflections on B-Schools, as they influenced the ongoing research, and consequently, the research trends. Furthermore, the results serve as possible orientations for B-School managers.
DOI: 10.6084/m9.figshare.14289077
title: Open Innovation Strategies and Appropriability in Knowledge-Intensive Business Services: Evidences and Implications in the Brazilian Context

description: ABSTRACT This paper analyzes open innovation strategies and their implications on appropriability and performance in Knowledge-Intensive Business Services (KIBS) firms which operate in the Brazilian market. This is cross-sectional research relying on the survey method. Data was collected through a questionnaire applied to 345 firms that provide Information Technology (IT) and Business Management Consulting services. Cluster analysis was the main technique employed for data analysis. The results showed that KIBS firms, whose inbound and outbound flows difference is small, eventually use appropriation mechanisms to a greater extent and adopt the selective revealing strategy more intensely. It is concluded that Brazilian KIBS firms adopt inbound knowledge flows more intensely, and that firms herein labelled as “neutral” presented greater appropriation and innovation performance than “externalizing”, “internalizing” or “very internalizing” firms.
DOI: 10.6084/m9.figshare.14289074
title: Environmental Regulations, Green Innovation and Performance: An Analysis of Industrial Sector Companies from Developed Countries and Emerging Countries

description: ABSTRACT This study analyzes whether the rigor of environmental regulations encourages industrial companies in developed and emerging countries to invest in Green Innovation (GI), and what is the impact on financial performance. The sample was composed of 159 industrial companies, listed in the Financial Times’ 500 largest companies by market value in 2015. For the analysis, Structural Equation Modeling was used to verify the relationship between the variables. The main results were that the strictness of the countries’ environmental regulations, and the size of the companies had a statistically significant positive impact only on construct GI2, composed of the variables Global Compact and environmental investments. Countries competitiveness did not positively influence companies’ GI efforts, and the degree of internationalization of companies had no significant effect on any of the GI constructs. Furthermore, the efforts of companies in GI do not reflect positively on their financial performance.
DOI: 10.6084/m9.figshare.14289072
title: Do State-owned Enterprises in Brazil Require a Risk Premium Factor?

description: ABSTRACT Despite the extensive privatization achievements over the last decades, government ownership of publicly traded companies remains pervasive around the world. Consistent with past evidence of structural change in the beta coefficient during financial crises, the more recent economic recession of 2014 to 2016 in Brazil presents an opportunity to demonstrate the disadvantages of allocating investment in companies that are publicly traded, but are controlled by the government. Constructing a portfolio of publicly traded State Owned Enterprises, we find that the financial crisis produced a significant increase in risk exposure, results that were much more pronounced when compared with a portfolio of privatized companies. The results also indicate that, in addition to a market factor, the poor performance can be explained by controllership. We believe this study adds to the long-standing debate on whether state-owned firms perform worse than private firms, with higher volatility and lower returns, particularly, during a period of financial crisis.
DOI: 10.6084/m9.figshare.14289069
title: Opacity in Hedge Funds: Does it Create Value for Investors and Managers?

description: ABSTRACT This paper investigates if opacity (as measured by derivatives usage) creates value for investors and the managers of hedge funds that charge performance fees. Since we do not identify a positive relation between opacity and managers’ revenue, it is not possible to state that opacity is a source of manager’s value creation for hedge fund investors and managers. However, considering that opacity is positively associated with risk-taking and negatively related with investors’ adjusted returns, we suggest policies aiming at protecting investors, especially those less qualified. We examine a unique and comprehensive database related to the positions in derivatives taken by managers, which was enabled due to specific disclosure regulatory demands of the Brazilian Securities Exchange Commission, where detailed information on hedge funds’ portfolio allocation should be provided on a monthly basis.
DOI: 10.6084/m9.figshare.14289068
title: BEZOLD JARISCH REFLEX DURING HALO-GRAVITY TRACTION: CASE REPORT

description: ABSTRACT Halo-gravity traction is an option that can be used in the treatment of severe spinal deformities. The author reports a complication not yet described in the literature in which rapid correction of the deformity triggered the Bezold Jarisch reflex. Level of evidence IV; Case Series.
DOI: 10.6084/m9.figshare.14289065
title: Fundamentalist Signals in Volatility Scenarios: Evidence in the Brazilian Stock Market

description: ABSTRACT This article investigates whether the usefulness of fundamentalist signals to predict returns are altered in context of high volatility and also considering the sensitivity of assets to the IVol-BR volatility index. In times of high volatility, investors could make their decisions based on risk aversion and not only on the fundamentals signals of companies. In addition, it is possible to see how different delays in fundamentalist signals are related to future returns. The methodological choice is for estimators in panel data for the analysis of non-financial companies that have shares traded on B3 - Brasil, Bolsa, Balcão - in the period from 2011.3Q to 2018.2Q. The results show evidence of changes in the explanatory capacity of fundamentalist signals in different volatility scenarios, and for different sensitivities to IVol-BR. This finding may impact the decision-making of managers and investors as it enables the design of investment strategies based on fundamentalist signals adhering to different risk scenarios.
DOI: 10.6084/m9.figshare.14289059
title: Economic Assessment of Brazilian Public Ports: Value-Based Management

description: ABSTRACT Ports are among the main links of the international logistic chain and, consequently, an important element of economic development. Thus, this study aims to investigate the economic and financial results of Brazilian public ports by evaluating their ability to generate economic value. Therefore, we assessed the port authorities with traditional financial indicators as well as with Economic Value Added (EVA) indicators, aiming to assess companies’ ability to create wealth for ports’ capital investors. Findings indicate that, despite the satisfactory financial situation, such results are not due to the businesses’ operation, but most likely due to governmental subsidies. Port authorities also showed inefficiency to remunerate the capital invested. The study contributes to the literature by shedding light on the discussion about the economic and financial management of public ports and the use of public resources in the port sector.
DOI: 10.6084/m9.figshare.14289055
title: Business Analytics and Sociomateriality: A Study on the Practice of Revenue Management in an Airline Company

description: ABSTRACT The aim of this article is to address the Business Analytics (BA) practice based on the sociomateriality approach within the Revenue Management (RM) context of an airline. The study proposes that BA is an active engagement process which is set between analysts and business managers according to their sociomaterial imbrication with analytical data and tools, which areused to generate new insights. The discussion is substantiated by the theoretical articulation of BA as applied to RM based on the sociomateriality approach, which acknowledges the synergetic interaction between human and material dimensions by keeping their distinction from intentionality. The empirical investigation followed a qualitative design supported by non-participatory observation, interview and document research, which were the data collection techniques. The collected data was analyzed through spiral analysis associated with a practices’ description and analyses framework. Results have supported the BA proposition by evidencing the human/material dimension entanglement to produce BA-practice specificities.