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The resource depletion model proposes that self-control is a limited resource that may become depleted after repeated use. This study aimed to improve our understanding of the correlates of resource depletion in parents, examine the association between resource depletion and use of coercive food parenting practices, and explore the relationship between resource depletion and stress. Children aged 5-9 and their parents (n = 631 dyads) were recruited from primary care clinics in a large metropolitan area in the United States in 2016-2019. Ecological momentary assessment was carried out over seven days with parents. Frequency tabulations and descriptive statistics were calculated to examine the overall, between-participant, and within-participant frequency of resource depletion, stress, and coercive food parenting practices. Resource depletion was higher among mothers (as compared to fathers) and native born participants (as compared to immigrants). Resource depletion was found to decrease significantly with each increase in household income level and perceived co-parenting support was negatively associated with resource depletion. Greater resource depletion earlier in the day was positively associated with coercive food parenting practices (e.g., food restriction, pressure-to-eat) at dinner the same night. Further, prior day resource depletion was associated with greater pressure-to-eat the next day. Parents with lower chronic stress were found to engage in pressuring when experiencing higher depletion. Clinicians and public health professionals should be aware of the role the resource depletion can play in parent's use of specific food parenting practices and seek to provide parents with the support they need to manage the cognitive load they are experiencing.
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Avaliação Momentânea Ecológica , Poder Familiar , Pais , Humanos , Poder Familiar/psicologia , Feminino , Masculino , Criança , Adulto , Pré-Escolar , Pais/psicologia , Relações Pais-Filho , Estresse Psicológico/psicologia , Estados Unidos , Comportamento Alimentar/psicologia , Autocontrole/psicologiaRESUMO
Parents influence their children's eating behaviors through their use of food parenting practices, or goal-directed behaviors that guide both what and how they feed their child. Prior research suggests that parents who engage in disordered eating behaviors are more likely to use coercive food parenting practices, which are known to be associated with the development of maladaptive eating behaviors in young people. The present study sought to extend our current understanding by examining the association between parental engagement in disordered eating behaviors and use of a broader range of food parenting practices in a socioeconomically and racially diverse, population-based sample (n = 1306 parents/child dyads). Parents self-reported their disordered eating behaviors, as well as use of coercive and structure-based food parenting practices. A series of separate linear regression models, adjusting for parent and child sociodemographic and anthropometric characteristics, revealed that parents engaging in restrictive disordered eating behaviors and binge eating reported significantly higher levels of coercive food parenting practices, including pressure-to-eat, restriction, threats and bribes, and using food to control negative emotions. Parental engagement in restrictive disordered eating behaviors was also associated with significantly higher use of food rules and limits. Overall, parental engagement in compensatory disordered eating behaviors was significantly associated with higher levels of restrictive and emotional feeding practices, as well as with lower levels of monitoring. Given prior research supporting a relationship between exposure to coercive control food parenting practices and the development of maladaptive eating behaviors in young people, results from the current study provide support for the role that food parenting practices might play in the intergenerational transmission of disordered eating behaviors.
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Transtornos da Alimentação e da Ingestão de Alimentos , Poder Familiar , Criança , Humanos , Adolescente , Poder Familiar/psicologia , Pais/psicologia , Alimentos , Comportamento Alimentar/psicologia , Relações Pais-Filho , Inquéritos e QuestionáriosRESUMO
Children's eating behaviors are shaped significantly by their home food environment, including exposure to food parenting practices. The current study leveraged ecological momentary assessment (EMA) to describe how food parenting practices used to feed preschoolers (n = 116) differed across contextual factors around eating, including type of eating occasion (i.e., meals vs. snacks), day of the week (i.e., weekend vs. weekday), who initiated the meal (parent vs. child), emotional climate of the eating occasion. Parent perceptions of how well the eating occasion went, including how well the child ate and whether the food parenting practices worked as intended were also explored. Parent use of specific food parenting practices, situated within four higher-order domains (i.e., structure, autonomy support, coercive control, indulgent), was found to differ by type of eating occasion; parents engaged in a higher proportion of structure practices at meals than at snacks. Use of specific food parenting practices differed by mealtime emotional climate; parent use of structure and autonomy support was associated with eating occasions described as relaxed, enjoyable, neutral, and fun. Finally, parent perception of how well the child ate differed by use of specific food parenting practices; during eating occasions when parent's felt their child ate "not enough", they used less autonomy support and more coercive control compared to eating occasions where the child ate "enough and a good balance." Leveraging EMA allowed for increased understanding of the variability in food parenting practices and contextual factors. Findings may be utilized to inform the development of larger-scale studies seeking to understand why parents choose specific approaches to feeding their children, as well as the impact of various approaches to child feeding on child health outcomes.
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Avaliação Momentânea Ecológica , Poder Familiar , Criança , Humanos , Poder Familiar/psicologia , Pais/psicologia , Comportamento Alimentar/psicologia , Refeições/psicologia , Inquéritos e Questionários , Relações Pais-FilhoRESUMO
BACKGROUND: Intravenous alteplase is the only thrombolytic treatment approved for patients with acute ischemic stroke (AIS). Although no randomized controlled trial (RCT) has shown the superiority of tenecteplase over alteplase in AIS, tenecteplase is increasingly used off-label in Stroke Units. The purpose of the present work was to provide an up-to-date set of expert consensus statements on the use of tenecteplase in AIS. METHODS: Members of the working group were selected by the French Neurovascular Society. RCTs comparing tenecteplase and alteplase in the treatment of AIS were reviewed. Recent meta-analysis and real-life experience data on tenecteplase published until 30th October 2021 were also analyzed. After a description of the available data, we tried to answer the subsequent questions about the use of tenecteplase in AIS: What dosage of tenecteplase should be preferred? How effective is tenecteplase for cerebral artery recanalization? What is the clinical effectiveness of tenecteplase? What is the therapeutic safety of tenecteplase? What are the benefits associated with tenecteplase ease of use? Then expert consensus statements for tenecteplase use were submitted. In October 2021 the working group was asked to review and revise the manuscript. In November 2021, the current version of the manuscript was approved. EXPERT CONSENSUS: A set of three expert consensus statements for the use of tenecteplase within 4.5hours of symptom onset in AIS patients were issued: (1) It is reasonable to use tenecteplase 0.25mg/kg when mechanical thrombectomy (MT) is planned. (2) Tenecteplase 0.25mg/kg can be used as an alternative to alteplase 0.9mg/kg in patients with medium- or small-vessel occlusion not retrievable with MT. (3) Tenecteplase 0.25mg/kg could be considered as an alternative to alteplase 0.9mg/kg in patients without vessel occlusion. CONCLUSIONS: These expert consensus statements could provide a framework to guide the clinical decision-making process for the use of tenecteplase according to admission characteristics of AIS patients. However, existing data are limited, requiring inclusions in ongoing RCTs or real-life registries.
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Isquemia Encefálica , AVC Isquêmico , Acidente Vascular Cerebral , Humanos , Tenecteplase/efeitos adversos , Ativador de Plasminogênio Tecidual/uso terapêutico , Acidente Vascular Cerebral/complicações , Isquemia Encefálica/tratamento farmacológico , Fibrinolíticos/uso terapêutico , Resultado do TratamentoRESUMO
BACKGROUND: Much of the research to-date on food parenting has evaluated typical use of various parent feeding practices via questionnaire. The Real-Time Parent Feeding Practices Measurement survey was developed for use within an Ecological Momentary Assessment (EMA) protocol to capture momentary use of parent feeding practices in real-time. METHODS: This manuscript describes the development of the EMA-based Real-Time Parent Feeding Practices survey and highlights initial descriptive data on the real-time use of 22 individual parent feeding practices (e.g., pressure-to-eat, guided choices, etc.) as reported via EMA by parents of preschool-aged children (n = 116) over a 10-day data collection time period. A total of 3382 eating occasions were reported, with an average of 29.2 reported eating occasions per participant. RESULTS: Results revealed that most participants used a variety of food-related parenting practices day-to-day that span four higher-order domains: structure, autonomy support, coercive control and indulgence. Supportive feeding practices, defined as those from the structure and autonomy support domains, were reported most frequently, with one or more structure behavior (e.g., specific mealtime rules/routines) was used at 88.9% of reported eating occasions and one or more autonomy support behavior (e.g., involvement of the child in meal preparation) was used at 87.3% of eating occasions. While unsupportive feeding practices, defined as practices from within the coercive control (e.g., pressure-to-eat) and indulgent (e.g., anticipatory catering) feeding domains, were reported less frequently, one or more behaviors from each of these domains were still reported at over 25% of all eating occasions. CONCLUSIONS: Results of the current study take a next step towards deepening our understanding of the use of a broad range of food-related parenting practices in real-time. Findings revealed that the vast majority of practices used by parents fall within the structure and autonomy support domains. However, most parents did not exclusively use supportive or unsupportive practices, rather they used a combination of food-related parenting practices across all domains. Future research should continue to explore a broad range of food-related parenting practices and seek to understand how parent approaches to feeding are associated with long-term child outcomes, including dietary intake, food preferences, and eating patterns.
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Educação Infantil , Poder Familiar , Criança , Comportamento Infantil , Pré-Escolar , Comportamento Alimentar , Humanos , Refeições , Relações Pais-Filho , Pais , Inquéritos e QuestionáriosRESUMO
This study aimed to evaluate the influence of the COVID-19 pandemic on food parenting practices used by parents of young children. Ecological Momentary Assessment (EMA) was used to evaluate parents' use of coercive, indulgent, structured, and autonomy supportive food parenting practices before and during the COVID-19 pandemic among a diverse racial/ethnic sample (nâ¯=â¯72) of parents of preschool-aged children. The impact of parent and child mood/behavior on use of specific food parenting practices was also evaluated during both time periods. Results revealed that most parents of preschoolers use a variety of food parenting practices, including coercive control, indulgence, structure, and autonomy support practices. The use of structured and autonomy supportive practices, however, decreased during the COVID-19 pandemic. Further, the types of practices used by parents were contextually associated with the mood of the parent as well as child mood. Parent negative mood during COVID-19 was associated with higher levels of coercive control and indulgence and lower levels of structure, whereas child positive child mood was associated with greater use of autonomy supportive practices. These findings suggest that effects of the COVID-19 pandemic on family dynamics around feeding young children include shifts away from theoretically supportive approaches to parenting and highlight the roles of parent and child mood/behavior as potentially important momentary influences on food parenting during this time. Public health practitioners and clinicians working with parents of young children during COVID-19, and in years to come, should consider the potential impact of parental mood and stress, as well as child mood and behaviors. Additional research is needed to better understand how to best help parents maintain supportive feeding practices in the face of challenging situations.
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COVID-19 , Criança , Educação Infantil , Pré-Escolar , Humanos , Pandemias , Poder Familiar , SARS-CoV-2RESUMO
A comparative study of lipid profile of the daubed shanny Leptoclinus maculatus postlarvae from fjords of different domains (arctic-boreal Kongsfjord and high-arctic Rjipfjord) of Svalbard Archipelago waters in summer was performed. A more efficient accumulation of lipids in the fishes from Kongsfjord compared to Rjipfjord due to triacylglycerols and wax esters was established. These differences may be related mainly to the trophic conditions of the habitat (species composition, abundance, and availability of food items). The higher level of cholesterol esters than wax esters at the L1 stage of development of the daubed shanny postlarvae compared to older fishes pointed to their active feeding mainly on phytoplankton. The differences in the content of certain classes of phospholipids may indicate adaptive changes at the level of biomembranes, contributing to the maintenance of cell homeostasis in response to abiotic environmental factors, and reflect their additional intake with food at the early stages of fish development.
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Perciformes , Animais , Regiões Árticas , Peixes , Fosfolipídeos , SvalbardRESUMO
Scleritis is a sight-threatening inflammation characterized by severe pain and redness of the eye. It can cause blindness by severe complications like scleral and corneal necrosis, keratitis, and uveitis. The pathogenesis of scleritis is largely unknown due to a combination of the rarity of the disease, the little available human tissue-based research material, and the lack of animal models. The immune system is assumed to play a crucial role in the pathogenesis of scleritis. Multiple clues indicate probable antigenic stimuli in scleritis, and the involvement of matrix metalloproteinases in the destruction of scleral tissue. In this article we review the current insights into the pathogenesis of scleritis, and we suggest new hypotheses by implementing knowledge of systemic autoimmune disease pathogenesis. Understanding the pathogenesis of scleritis is crucial to improve the clinical management, as well as to find novel treatment modalities.
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Autoimunidade , Diagnóstico por Imagem/métodos , Metaloproteinases da Matriz/metabolismo , Esclera/diagnóstico por imagem , Esclerite/etiologia , Humanos , Esclerite/diagnóstico , Esclerite/imunologiaRESUMO
A bio-optical model for the Barents Sea is determined from a set of in situ observations of inherent optical properties (IOPs) and associated biogeochemical analyses. The bio-optical model provides a pathway to convert commonly measured parameters from glider-borne sensors (CTD, optical triplet sensor-chlorophyll and CDOM fluorescence, backscattering coefficients) to bulk spectral IOPs (absorption, attenuation and backscattering). IOPs derived from glider observations are subsequently used to estimate remote sensing reflectance spectra that compare well with coincident satellite observations, providing independent validation of the general applicability of the bio-optical model. Various challenges in the generation of a robust bio-optical model involving dealing with partial and limited quantity datasets and the interpretation of data from the optical triplet sensor are discussed. Establishing this quantitative link between glider-borne and satellite-borne data sources is an important step in integrating these data streams and has wide applicability for current and future integrated autonomous observation systems. This article is part of the theme issue 'The changing Arctic Ocean: consequences for biological communities, biogeochemical processes and ecosystem functioning'.
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Ecossistema , Monitoramento Ambiental/métodos , Imagens de Satélites/métodos , Água do Mar/análise , Regiões Árticas , Ciclo do Carbono , Clorofila/análise , Monitoramento Ambiental/instrumentação , Aquecimento Global , Camada de Gelo/química , Modelos Teóricos , Noruega , Oceanos e Mares , Fenômenos Ópticos , Tecnologia de Sensoriamento Remoto/instrumentação , Tecnologia de Sensoriamento Remoto/métodos , Imagens de Satélites/instrumentação , Espectrofotometria/instrumentação , Espectrofotometria/métodosRESUMO
BACKGROUND AND PURPOSE: Recent studies demonstrated the benefit of mechanical thrombectomy (MT) plus intravenous tissue-type plasminogen activator (IV-tPA) (MT-IV-tPA) in acute ischemic stroke. This study aimed to estimate the cost-utility of MT-IV-tPA compared with IV-tPA alone from the perspective of the French National Health Insurance. METHODS: We developed a decision tree for the first 3 months after stroke onset and a Markov model until 10 years post-stroke. The health states of the Markov model were according to the modified Rankin Scale (mRS): independent (mRS=0-2), dependent (mRS=3-5), dead (mRS=6). Recurrent stroke was the fourth health stage of our model. We conducted systematic literature reviews and meta-analyses to estimate the cost and utility of each health state, and the transition probabilities between health states. A microcosting study was conducted to estimate the cost of MT. We estimated the incremental cost-effectiveness ratio of MT-IV-tPA and conducted a probabilistic analysis in order to estimate the probability that MT-IV-tPA is cost-effective compared to IV-tPA, the expected value of perfect information (EVPI), and the expected value of partial perfect information (EVPPI), given the uncertainty surrounding the value of our model's parameters. RESULTS: The total mean (standard deviation (SD) cost of MT was 6708.9 (2357.0). The incremental cost-effectiveness ratio (ICER) of the strategy using IV-tPA combined to MT costs was 14,715 per QALY gained as compared to a strategy using IV-tPA alone. The probabilistic analysis showed that the probability of MT-IV-TPA being cost-effective was 85.4% at threshold willingness-to-pay of 30,000 per QALY gained, reaching 98% at 50,000 per QALY gained. CONCLUSION: Although there is no universally accepted willingness-to-pay threshold in France, our analysis suggest that MT combined to IV-tPA can be considered a cost-effective treatment compared with IV-tPA alone.
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Isquemia Encefálica/economia , Isquemia Encefálica/terapia , Acidente Vascular Cerebral/economia , Acidente Vascular Cerebral/terapia , Trombectomia/economia , Ativador de Plasminogênio Tecidual/economia , Ativador de Plasminogênio Tecidual/uso terapêutico , Isquemia Encefálica/tratamento farmacológico , Terapia Combinada/economia , Análise Custo-Benefício , França , Humanos , Cadeias de Markov , Recidiva , Acidente Vascular Cerebral/tratamento farmacológico , Resultado do TratamentoRESUMO
Childhood maltreatment is consistently associated with adult obesity, leading to calls for tailored weight interventions for people with maltreatment histories. However, it is possible that the maltreatment-obesity association is spurious and driven by unmeasured confounding, in which case such interventions would be misplaced. The home food environment in childhood is a potential confounder, but its role in the association of maltreatment with obesity has not been examined. We used a longitudinal dataset (Project EAT) to examine the association of adult retrospective reports of maltreatment history in childhood (1+ types of maltreatment before age 18â¯years) with previously-collected prospective childhood reports of home food environment characteristics (availability of healthy foods, availability of sweet/salty snack food, family meal frequency, and food insufficiency). We then estimated the association between maltreatment and adult body mass index (BMI, kg/m2) with and without adjustment for these home food environment factors. After adjustment for sociodemographics, maltreatment had a 0.84â¯kg/m2 (95% CI: 0.28, 1.41) higher BMI at age 24-39â¯years, compared to those with no maltreatment, after adjustment for sociodemographics, parenting style, and BMI in childhood. Additional adjustment for home food environment factors had little effect on this association (ßâ¯=â¯0.78â¯kg/m2; 95% CI: 0.21,1.35), suggesting limited confounding influence of the home food environment factors. Findings provide additional robust evidence that childhood maltreatment is a risk factor for obesity that may warrant tailored interventions.
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Índice de Massa Corporal , Maus-Tratos Infantis/psicologia , Comportamento Alimentar , Alimentos , Obesidade/prevenção & controle , Adolescente , Adulto , Feminino , Humanos , Masculino , Estudos Retrospectivos , Fatores SocioeconômicosRESUMO
Introduction: Use of amphetamine-type stimulants (ATS) contributes substantially to the global burden of disease. Large-scale follow-up studies of morbidity and mortality in ATS users are few. This study analysed morbidity, mortality, and potential predictors of all-cause mortality in a nationwide cohort of patients with ATS use disorder. Methods: Data was acquired from national Swedish registers. All Swedish residents 18 years or older, with a registered ATS use diagnosis in 2013-2014 were included (N = 5,018) and followed until December 31, 2017. Comorbid diagnoses and causes of death were assessed and potential predictors of all-cause mortality were examined through Cox regression. Results: Median age at inclusion was 36.6 years (interquartile range 27.4---48.1) and 70.5 % were men. The crude mortality rate was 24.6 per 1,000 person-years. The adjusted all-cause standardized mortality ratio was 12.4 (95 % CI [11.34-13.55]). The most common cause of death was overdose (28.9 %). Multiple drug use (hazard ratio 1.39, 95 % CI [1.14-1.70], p = 0.004), anxiety (hazard ratio 1.39, 95 % CI [1.11-1.72], p = 0.014), viral hepatitis (hazard ratio 1.85, 95 % CI [1.50-2.29], p = 0.004), and liver disease (hazard ratio 2.41, 95 % CI [1.55-3.74], p = 0.004) were predictors of all-cause mortality. Conclusions: Multiple drug use, anxiety disorders, viral hepatitis and liver diseases were identified as risk factors for death. Our findings call for better screening, prevention, and treatment of somatic and psychiatric comorbidity among ATS users to reduce mortality.
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PURPOSE: To determine the thickness of the conjunctiva, episclera and sclera in healthy individuals using anterior segment optical coherence tomography (AS-OCT). METHODS: We prospectively included 107 healthy individuals of different age groups (18-39 years, 40-54 years, 55-69 years and ≥70 years). For each eye, AS-OCT scans of four quadrants (temporal, nasal, superior and inferior) were acquired. The thickness of the conjunctiva, episclera and sclera was measured for each scan. In addition, the axial length of both eyes was measured, and general characteristics, including smoking, allergies and contact lens use, were collected. RESULTS: The mean conjunctival thickness was significantly different between the nasal and superior quadrants (87 ± 30 µm vs. 77 ± 16 µm; p < 0.001), as well as the superior and inferior quadrants (77 ± 16 µm vs. 86 ± 19 µm; p = 0.001). The mean episcleral thickness was larger in the superior (174 ± 54 µm) and inferior (141 ± 43 µm) quadrants, compared to the nasal (83 ± 38 µm) and temporal quadrants (90 ± 44 µm). The mean scleral thickness of the inferior quadrant was the largest (596 ± 64 µm), followed by the nasal (567 ± 76 µm), temporal (516 ± 67 µm) and superior (467 ± 52 µm) quadrants (all p < 0.001). The averaged scleral thickness increased 0.96 µm per age year (0.41-1.47 µm, p < 0.001). CONCLUSIONS: This study provides an assessment of the thickness of scleral and adjacent superficial layers in healthy individuals determined on AS-OCT, which could enable future research into the use of AS-OCT in diseases affecting the anterior eye wall.
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Segmento Anterior do Olho , Túnica Conjuntiva , Voluntários Saudáveis , Esclera , Tomografia de Coerência Óptica , Humanos , Tomografia de Coerência Óptica/métodos , Esclera/diagnóstico por imagem , Esclera/anatomia & histologia , Pessoa de Meia-Idade , Adulto , Masculino , Estudos Prospectivos , Feminino , Idoso , Adulto Jovem , Adolescente , Segmento Anterior do Olho/diagnóstico por imagem , Segmento Anterior do Olho/anatomia & histologia , Túnica Conjuntiva/diagnóstico por imagem , Túnica Conjuntiva/anatomia & histologia , Valores de ReferênciaRESUMO
Osteoblastoma is a rare benign bone tumor that occurs unusually in the nasal sinuses. We report one case of sinonasal osteoblastoma in a 12-year-old girl who presented with nasal obstruction and telecanthus on the right side. Computed tomography revealed a lesion of the right ethmoid sinus with heterogenous bony density, which was displacing the orbital contents and the skull base. Biopsy caused significant bleeding. Magnetic resonance imaging showed intense homogeneous enhancement with typical flow-void areas due to large pathological vessels. This MRI feature must alert the clinician on the diagnosis before biopsy and surgical resection after embolization is performed. This case report describes the diagnostic and therapeutic difficulties of this rare tumor.
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Neoplasias Ósseas/diagnóstico , Seio Etmoidal/patologia , Osteoblastoma/diagnóstico , Neoplasias dos Seios Paranasais/diagnóstico , Neoplasias Ósseas/patologia , Neoplasias Ósseas/cirurgia , Criança , Feminino , Humanos , Osteoblastoma/patologia , Osteoblastoma/cirurgia , Neoplasias dos Seios Paranasais/patologia , Neoplasias dos Seios Paranasais/cirurgiaRESUMO
Histological studies of the ontogenetic changes in Arctic marine fishes are often fragmented and incomplete. Here we present a comprehensive histological ontogenetic analysis of the daubed shanny (Leptoclinus maculatus) from the Arctic, characterizing its development as it undergoes a series of changes in the organ and tissue organization, especially during the postlarvae transition from the pelagic to benthic lifestyle. The thyroid, heart, digestive tract, liver, gonads, blood, and the lipid sac of the postlarvae at different developmental stages (L1-L5) were studied for the first time. We found that L. maculatus has structural characteristics of marine fish developing in cold, high-oxygen polar waters. We conclude that the presence of the lipid sac and the absence of distinguishable red blood cells in pelagic postlarvae are unique features of the daubed shanny most likely linked to its successful growth and development in the Arctic environment.
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Peixes , Perciformes , Animais , Meio Ambiente , Crescimento e Desenvolvimento , LipídeosRESUMO
Prior research suggests COVID-19 has amplified stress on Academic Clinician Frontline-Workers (ACFW). The aim of this paper is: (1) to better understand the experiences of ACFW during the COVID-19 pandemic including their mental-emotional wellbeing, academic productivity, clinical experiences, and (2) to examine any gender differences. A cross-sectional survey was administered to University of Minnesota/M Health Fairview systems' faculty February-June 2021. Of the 291 respondents, 156 were clinicians, with 91 (58 %) identifying as Frontline-Workers (ACFW). Faculty wellbeing was assessed using validated measures in addition to measures of productivity and sociodemographics. For example, ACFW reported a higher Work-Family Conflict (WFC) scores compared to non-ACFW (26.5 vs. 24.1, p = 0.057) but did not report higher Family-Work Conflict (FWC) scores (17.7 vs. 16.3, p = 0.302). Gender sub-analyses, revealed that women ACFW compared to men ACFW reported higher WFC scores (27.7 vs. 24.1, p = 0.021) and FWC (19.3 vs. 14.3, p = 0.004). Academically, ACFW reported submitting fewer grants and anticipated delays in promotion and tenure due to the COVID-19 (p = 0.035). Results suggest COVID-19 has exacerbated ACFW stress and gender inequities. Reports of anticipated delay in promotion for ACFW may pose a challenge for the long-term academic success of ACFW, especially women ACFW. In addition, women may experience higher FWC and WFC as compared to men. Schools of academic medicine should consider re-evaluating promotion/tenure processes and creating resources to support women ACFW as well as ACFW caregivers.
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Recent studies predict that the Arctic Ocean will have ice-free summers within the next 30 years. This poses a significant challenge for the marine organisms associated with the Arctic sea ice, such as marine mammals and, not least, the ice-associated crustaceans generally considered to spend their entire life on the underside of the Arctic sea ice. Based upon unique samples collected within the Arctic Ocean during the polar night, we provide a new conceptual understanding of an intimate connection between these under-ice crustaceans and the deep Arctic Ocean currents. We suggest that downwards vertical migrations, followed by polewards transport in deep ocean currents, are an adaptive trait of ice fauna that both increases survival during ice-free periods of the year and enables re-colonization of sea ice when they ascend within the Arctic Ocean. From an evolutionary perspective, this may have been an adaptation allowing success in a seasonally ice-covered Arctic. Our findings may ultimately change the perception of ice fauna as a biota imminently threatened by the predicted disappearance of perennial sea ice.
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Adaptação Biológica/fisiologia , Anfípodes/fisiologia , Mudança Climática , Camada de Gelo , Movimento/fisiologia , Movimentos da Água , Anfípodes/química , Animais , Regiões Árticas , Lipídeos/análise , Biologia Marinha , Modelos TeóricosRESUMO
INTRODUCTION: Extended facial tissue defects are difficult to reconstruct because of the anatomical and functional complexity of the area. Recently, composite facial allotransplantation was used for reconstruction. This could be performed because of specific facial blood supply and its facial and maxillary anastomoses. Could a composite naso-labio-mental flap rely on the sole blood supply of a facial artery anastomosis? We performed an anatomic study of a naso-labio-mental composite flap vascularized by the facial artery. MATERIAL AND METHOD: The study relied on arteriographies made on cadaveric heads and in vivo. The following data was analyzed: caliber of facial and maxillary arteries, terminal branch of facial arteries, and vascular territories. RESULTS: Sixteen facial arteries and six maxillary arteries were studied. The mean facial artery caliber was 2.06 mm (1-3.2mm). The facial artery ended in the nasal area in 68.8% of the cases. The latero-nasal artery was always present; it was a branch of the facial artery in 66.7% of cases. The two facial arteries, when injected bilaterally, always allowed complete facial composite flap circulation. The nasal territory of the flap was not opacified by the homolateral facial artery in 16.7% of the cases. DISCUSSION: Both facial artery anastomoses are recommended as blood supply for composite midfacial flaps. Preoperative imaging should be used systematically to assess the vascular network before harvesting.
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Artérias/anatomia & histologia , Artérias/patologia , Artérias/cirurgia , Face/irrigação sanguínea , Retalhos Cirúrgicos/irrigação sanguínea , Anatomia Regional , Cadáver , Face/anatomia & histologia , Face/patologia , Face/cirurgia , Humanos , Modelos Biológicos , Projetos Piloto , Crânio/irrigação sanguínea , Crânio/patologia , Retalhos Cirúrgicos/patologiaRESUMO
PURPOSE: Scleritis is a potentially blinding disorder, with highly unpredictable course and outcome. We analyzed the prevalence and clinical relevance of autoantibodies and inflammatory parameters in non-infectious scleritis. METHODS: Retrospective analysis of laboratory findings in all consecutive patients at the department of Ophthalmology of the Erasmus MC with non-infectious scleritis. RESULTS: We included 81 patients with non-infectious scleritis. A systemic autoimmune disease was present in 46%. Positive anti-nuclear antibodies were found in 30%, anti-neutrophil cytoplasmic antibodies were positive in 19%, and the presence of rheumatoid factor was shown in 17%. The aforementioned autoantibodies, as well as inflammatory parameters, failed to show prognostic clinical value. In contrast, anti-citrullinated peptide antibodies (ACPA), found in 9% of scleritis patients, were significantly associated with the development of scleral necrosis (P = .01). CONCLUSIONS: The presence of ACPA in patients with non-infectious scleritis was associated with the development of scleral necrosis.
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Autoanticorpos , Relevância Clínica , Humanos , Estudos RetrospectivosRESUMO
PURPOSE: Scleritis is a sight-threatening inflammation, which is commonly accompanied by severe complications. Aggressive systemic immunosuppressive treatment, which is frequently needed, can be associated with serious complications, and might therefore be (temporarily) contraindicated. METHODS: We report on the outcomes of three patients with severe, active, non-infectious scleritis, refractory or intolerant to systemic treatment, who received subconjunctival rituximab (RTX) injections. A dose of 2.5 to 7.5 mg was administered after topical anesthesia, and follow-up varied from 8 to 10 months. RESULTS: Subconjunctival RTX showed minimal to no effect on subjective symptoms, clinical features and/or ultrasound images. No serious adverse effects occurred. CONCLUSION: Further studies are needed to assess the effect of local administration of RTX in scleritis, but our limited observation is not promising.