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KEY POINTS: Clear visualization during transnasal endoscopic surgery (TNES) is crucial for safe, efficient surgery. The endoscopic surgical field clarity index (ESFCI) is an artificial intelligence-enabled measure of surgical field quality. The ESFCI allows researchers to evaluate interventions to improve visualization during TNES.
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INTRODUCTION: The effectiveness of the Stress Management and Resilience Training (SMART) with U.S. military personnel has not been reported in the literature. The purpose of this study was to examine the effectiveness of SMART in increasing resilience in Air Force healthcare personnel. MATERIALS AND METHODS: We conducted a pilot, randomized preventive trial with active component Air Force healthcare personnel. SMART was offered via an in-person, 2-h training session delivered through face-to-face or synchronous video teleconference training, or via a self-paced, computer-based training. A baseline survey included demographics questions and the Connor-Davidson-10 Resilience Scale (CD-10), Perceived Stress Scale (PSS), Generalized Anxiety Disorder Scale (GAD-7), and overall quality of life (QOL) measure. Follow-up surveys with the CD-10, PSS, GAD-7, and quality of life were sent to participants at 12, 18, and 24 weeks after completing SMART. RESULTS: Fifty-six service members completed the baseline assessment and were randomized to either the in-person modality (comprised of video teleconference or face-to-face training) or the computer-based training modality, and 49 participants completed SMART. Significant increases in median CD-10 scores were observed among all participants, showing a 4-point (14%), 6-point (21%), and 5-point (17%) increase at week-12, -18, and -24, respectively, from the baseline. A significant overall decrease in median PSS scores from baseline were observed, with 5.5-points (22%), 7.81-points (32%), and 8.5-points (35%) decrease at 12, 18, and 24 weeks post-SMART, respectively. CONCLUSIONS: In this pilot study, SMART demonstrated significant and meaningful improvements in self-reported CD-10 and PSS-14 scores at 12, 18, and 24 weeks post-training completion. A future replication of the study is necessary to evaluate the effectiveness of SMART on a larger scale.
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Personal Militar , Pruebas Psicológicas , Resiliencia Psicológica , Autoinforme , Humanos , Calidad de Vida , Estrés Psicológico , Proyectos Piloto , Atención a la SaludRESUMEN
Vascular mechanisms of Alzheimer's disease (AD) may constitute a therapeutically addressable biological pathway underlying dementia. We previously demonstrated that soluble pathogenic forms of tau (tau oligomers) accumulate in brain microvasculature of AD and other tauopathies, including prominently in microvascular endothelial cells. Here we show that soluble pathogenic tau accumulates in brain microvascular endothelial cells of P301S(PS19) mice modeling tauopathy and drives AD-like brain microvascular deficits. Microvascular impairments in P301S(PS19) mice were partially negated by selective removal of pathogenic soluble tau aggregates from brain. We found that similar to trans-neuronal transmission of pathogenic forms of tau, soluble tau aggregates are internalized by brain microvascular endothelial cells in a heparin-sensitive manner and induce microtubule destabilization, block endothelial nitric oxide synthase (eNOS) activation, and potently induce endothelial cell senescence that was recapitulated in vivo in microvasculature of P301S(PS19) mice. Our studies suggest that soluble pathogenic tau aggregates mediate AD-like brain microvascular deficits in a mouse model of tauopathy, which may arise from endothelial cell senescence and eNOS dysfunction triggered by internalization of soluble tau aggregates.
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Enfermedad de Alzheimer , Tauopatías , Ratones , Animales , Proteínas tau/genética , Proteínas tau/metabolismo , Células Endoteliales/metabolismo , Tauopatías/metabolismo , Enfermedad de Alzheimer/metabolismo , Encéfalo/metabolismo , Modelos Animales de Enfermedad , Senescencia Celular , Ratones TransgénicosRESUMEN
The dual enrollment model in which universities collaborate with community colleges to provide the prelicensure Bachelor of Science in Nursing (BSN) education has been identified by the National Academy of Medicine as one of 5 viable academic progression models for transforming nursing education. The New Mexico Nursing Education Consortium (NMNEC) is a successful example of the dual enrollment model, which began in 2015 with one partnership. By 2018, 3 universities and 5 community colleges had partnered to offer the BSN jointly with the community college locations. In this retrospective, descriptive study, the 2 program types were compared to assess for differences in demographic and academic characteristics as well as program outcomes for the BSN graduates (n = 1018) from 2015 to 2018. The results of the analysis show that NMNEC has been successful in increasing the total number and diversity of BSN graduates for New Mexico. Importantly, NMNEC serves as an exemplar academic-practice partnership model because the success of the consortium would not have been possible without the involvement of practice partners. The outcomes from this study support academic-practice partnerships as instrumental in developing a better educated and more diverse nursing workforce that will improve patient outcomes and strive for health equity.
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Bachillerato en Enfermería , Relaciones Interinstitucionales , Modelos Educacionales , Universidades , Bachillerato en Enfermería/organización & administración , Humanos , Investigación en Educación de Enfermería , Estudios RetrospectivosRESUMEN
We report a case of a temporal bone pneumatocele with full-thickness erosion of the cranium associated with aggressive nose blowing. This condition presented 9 years after traumatic fracture of the temporal bone. There are 17 reported cases of mastoid sinus hyperpneumatisation in the literature. Eleven of the 17 are associated with Valsalva manoeuvres or elevated middle ear pressure. However, no other cases of full-thickness erosion at the site of a former fracture have been reported. We propose that the fracture, in combination with elevated mastoid sinus pressure from aggressive nose blowing, led to escape and trapping of pressurised air in the epidural and subcutaneous spaces, which resulted in bone erosion.
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Tomografía Computarizada por Rayos X , Espacio Epidural , Humanos , Apófisis Mastoides/diagnóstico por imagen , Hueso Temporal/diagnóstico por imagenRESUMEN
The propensity for dynamic earthquake triggering is thought to depend on the local stress state and amplitude of the stress perturbation. However, the nature of this dependency has not been confirmed within a single crustal volume. Here, we show that at Sierra Negra volcano, Galápagos Islands, the intensity of dynamically triggered earthquakes increased as inflation of a magma reservoir elevated the stress state. The perturbation of short-term seismicity within teleseismic surface waves also increased with peak dynamic strain. Following rapid coeruptive subsidence and reduction in stress and background seismicity rates, equivalent dynamic strains no longer triggered detectable seismicity. These findings offer direct constraints on the primary controls on dynamic triggering and suggest that the response to dynamic stresses may help constrain the evolution of volcanic unrest.
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Initial DoD support of Federal Emergency Management Agency (FEMA) operations for New York City (NYC) coronavirus disease 2019 (COVID-19) relief included the deployment of military medics to the Javits New York Medical Station and USNS Comfort. When Air Force (AF) Reservists arrived in NYC, 64th Air Expeditionary Group leaders worked with FEMA, Task Force New York/New Jersey, and NYC chains of command to send Airmen to NYC hospitals, including Lincoln Medical Center (LMC). Within 72 hours of arrival, 60 AF Reservists, including 30 registered nurses and 3 medical technicians, integrated into LMC to provide support during April and May 2020. This assistance began during the peak of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections. Air Force nurses provided over 6,000 hours of care to over 800 patients in the emergency department and ad hoc intensive care and medical-surgical units. As infections declined, AF nurses shifted to providing care in established units. In these units, AF nurses provided patient care and worked directly with LMC nurses to provide directed teaching experiences to improve their comfort and competency with caring for acutely ill COVID-19 patients. The deployment of AF Reservists into civilian facilities was a success and bolstered the capability of three facilities struggling to care for SARS-CoV-2 patients. This effort was recognized by military and civilian healthcare leaders and resulted in over 600 military medical personnel being sent to support 11 NYC public hospitals.
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COVID-19 , Personal Militar , Enfermeras y Enfermeros , Humanos , Ciudad de Nueva York , SARS-CoV-2RESUMEN
Vascular dysfunction is a universal feature of aging and decreased cerebral blood flow has been identified as an early event in the pathogenesis of Alzheimer's disease (AD). Cerebrovascular dysfunction in AD includes deficits in neurovascular coupling (NVC), a mechanism that ensures rapid delivery of energy substrates to active neurons through the blood supply. The mechanisms underlying NVC impairment in AD, however, are not well understood. We have previously shown that mechanistic/mammalian target of rapamycin (mTOR) drives cerebrovascular dysfunction in models of AD by reducing the activity of endothelial nitric oxide synthase (eNOS), and that attenuation of mTOR activity with rapamycin is sufficient to restore eNOS-dependent cerebrovascular function. Here we show mTOR drives NVC impairments in an AD model through the inhibition of neuronal NOS (nNOS)- and non-NOS-dependent components of NVC, and that mTOR attenuation with rapamycin is sufficient to restore NVC and even enhance it above WT responses. Restoration of NVC and concomitant reduction of cortical amyloid-ß levels effectively treated memory deficits in 12-month-old hAPP(J20) mice. These data indicate that mTOR is a critical driver of NVC dysfunction and underlies cognitive impairment in an AD model. Together with our previous findings, the present studies suggest that mTOR promotes cerebrovascular dysfunction in AD, which is associated with early disruption of nNOS activation, through its broad negative impact on nNOS as well as on non-NOS components of NVC. Our studies highlight the potential of mTOR attenuation as an efficacious treatment for AD and potentially other neurologic diseases of aging.SIGNIFICANCE STATEMENT Failure of the blood flow response to neuronal activation [neurovascular coupling (NVC)] in a model of AD precedes the onset of AD-like cognitive symptoms and is driven, to a large extent, by mammalian/mechanistic target of rapamycin (mTOR)-dependent inhibition of nitric oxide synthase activity. Our studies show that mTOR also drives AD-like failure of non-nitric oxide (NO)-mediated components of NVC. Thus, mTOR attenuation may serve to treat AD, where we find that neuronal NO synthase is profoundly reduced early in disease progression, and potentially other neurologic diseases of aging with cerebrovascular dysfunction as part of their etiology.
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Enfermedad de Alzheimer/tratamiento farmacológico , Trastornos de la Memoria/tratamiento farmacológico , Acoplamiento Neurovascular/efectos de los fármacos , Sirolimus/farmacología , Serina-Treonina Quinasas TOR/antagonistas & inhibidores , Anciano , Anciano de 80 o más Años , Enfermedad de Alzheimer/psicología , Precursor de Proteína beta-Amiloide/genética , Precursor de Proteína beta-Amiloide/metabolismo , Animales , Trastornos Cerebrovasculares/fisiopatología , Disfunción Cognitiva/genética , Disfunción Cognitiva/psicología , Miedo/psicología , Femenino , Humanos , Masculino , Trastornos de la Memoria/psicología , Ratones , Ratones Transgénicos , Microvasos/patología , Microvasos/ultraestructura , Óxido Nítrico Sintasa de Tipo III/metabolismo , Sirolimus/uso terapéutico , Serina-Treonina Quinasas TOR/genéticaRESUMEN
Recent large basaltic eruptions began after only minor surface uplift and seismicity, and resulted in caldera subsidence. In contrast, some eruptions at Galápagos Island volcanoes are preceded by prolonged, large amplitude uplift and elevated seismicity. These systems also display long-term intra-caldera uplift, or resurgence. However, a scarcity of observations has obscured the mechanisms underpinning such behaviour. Here we combine a unique multiparametric dataset to show how the 2018 eruption of Sierra Negra contributed to caldera resurgence. Magma supply to a shallow reservoir drove 6.5 m of pre-eruptive uplift and seismicity over thirteen years, including an Mw5.4 earthquake that triggered the eruption. Although co-eruptive magma withdrawal resulted in 8.5 m of subsidence, net uplift of the inner-caldera on a trapdoor fault resulted in 1.5 m of permanent resurgence. These observations reveal the importance of intra-caldera faulting in affecting resurgence, and the mechanisms of eruption in the absence of well-developed rift systems.
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The ability to generate in vitro cultures of neuronal cells has been instrumental in advancing our understanding of the nervous system. Rodent models have been the principal source of brain cells used in primary cultures for over a century, providing insights that are widely applicable to human diseases. However, therapeutic agents that showed benefit in rodent models, particularly those pertaining to aging and age-associated dementias, have frequently failed in clinical trials. This discrepancy established a potential "translational gap" between human and rodent studies that may at least partially be explained by the phylogenetic distance between rodent and primate species. Several non-human primate (NHP) species, including the common marmoset (Callithrix jacchus), have been used extensively in neuroscience research, but in contrast to rodent models, practical approaches to the generation of primary cell culture systems amenable to molecular studies that can inform in vivo studies are lacking. Marmosets are a powerful model in biomedical research and particularly in studies of aging and age-associated diseases because they exhibit an aging phenotype similar to humans. Here, we report a practical method to culture primary marmoset neurons and astrocytes from brains of medically euthanized postnatal day 0 (P0) marmoset newborns that yield highly pure primary neuron and astrocyte cultures. Primary marmoset neuron and astrocyte cultures can be generated reliably to provide a powerful NHP in vitro model in neuroscience research that may enable mechanistic studies of nervous system aging and of age-related neurodegenerative disorders. Because neuron and astrocyte cultures can be used in combination with in vivo approaches in marmosets, primary marmoset neuron and astrocyte cultures may help bridge the current translational gap between basic and clinical studies in nervous system aging and age-associated neurological diseases.
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Astrocitos , Callithrix , Envejecimiento , Animales , Neuronas , FilogeniaRESUMEN
BACKGROUND: Balloon sinuplasty is increasingly used in the outpatient clinic for treatment of chronic rhinosinusitis, but radiologic analysis of its effects on sinonasal anatomy is largely uncharacterized in the known literature. OBJECTIVE: The purpose of this study is to examine the anatomic effects of balloon sinuplasty in a cadaveric model. METHODS: Five fresh cadaver heads underwent sequential endoscopic balloon dilation of maxillary ostia, frontal recess outflow tracts, and sphenoid ostia bilaterally by fellowship-trained rhinologists. Pre- and post-procedural CT imaging was obtained. CT scans were imported into Mimics™ software and sinonasal anatomy was analyzed systematically. RESULTS: Visual confirmation of balloon dilation was achieved in all 3 sites bilaterally in each cadaver. Radiologic analysis demonstrated that the frontal sinus outflow tract was appropriately dilated 60% (6/10 sites) of the time while the agger was inadvertently dilated 30% of the time (3/10). The sphenoid os was successfully dilated 70% (7/10 sites) of the time. In two cases, a posterior sphenoethmoid (Onodi) cell was dilated instead of the sphenoid. Successful dilation of maxillary os was noted 60% of the time (6/10 sites). No significant change in maxillary os was noted after balloon dilation. Normal middle turbinates were significantly medialized following balloon dilation 75% (6/8 sites) of the time. CONCLUSIONS: While the goal of balloon sinuplasty is to improve natural sinonasal drainage by dilating existing outflow tracts, as evidenced by radiologic evaluation the procedure appears not to achieve this in all cases, while occasionally creating unintended changes in sinonasal anatomy as well. These unrecognized changes in anatomy may be responsible for the post-procedure change in symptomatology that some patients experience.
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Seno Frontal , Rinitis , Sinusitis , Cadáver , Enfermedad Crónica , Dilatación , Endoscopía , Humanos , Rinitis/terapia , Sinusitis/terapia , Resultado del TratamientoRESUMEN
BACKGROUND: Aspirin-exacerbated respiratory disease (AERD) is characterized by excessive leukotriene production, diffuse polyp burden and osteitic bone changes. These bony changes have not been previously characterized. OBJECTIVE: The aim of this radiographic study is to characterize the bony changes noted on computed tomography (CT) scans of the sphenoid sinus in patients with AERD compared to other diseased sinonasal inflammatory states and non-diseased controls. METHODS: A retrospective review of 43 patients with clinically confirmed AERD were included and compared to 22 non-diseased, 9 allergic fungal sinusitis, and 43 chronic rhinosinusitis controls (23 without polyps and 18 with polyps). Comparative measurements were performed using fine-cut CT scans. Sites of comparison were the intersinus septum, the left and right lateral sphenoid wall, the roof, and left and right floor of the sphenoid sinus. Standardized measurements were averaged by two separate rhinologists. RESULTS: Patients with AERD had an average statistically significant increase in bone thickness compared to healthy and diseased controls in nearly every site with the most pronounced changes in the intersinus septum (p < 0.05). CONCLUSION: Patients with AERD have significantly increased thickness of the sphenoid bone compared to control groups with the most pronounced difference in the intersinus septum. These findings may help clinicians increase suspicion for a diagnosis of AERD who clinically have diffuse nasal polyposis.
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Asma Inducida por Aspirina , Pólipos Nasales , Rinitis , Sinusitis , Aspirina/efectos adversos , Asma Inducida por Aspirina/diagnóstico , Enfermedad Crónica , Humanos , Estudios Retrospectivos , Rinitis/diagnóstico , Seno Esfenoidal/diagnóstico por imagenRESUMEN
BACKGROUND: The University of New Mexico Hospitals (UNMH) nurse residency and UNM College of Nursing nurse internship programs began in 2003 and 2004, respectively. This study evaluated the effectiveness of these programs in increasing RN hiring and retention. METHOD: Existing data from academic and human resources records were analyzed. Differences between demographic characteristics were assessed using descriptive statistics, and differences between groups were assessed with chi-square tests. RESULTS: Of 472 interns, 85.6% were hired by the UNMH. After 1 year, 341 continued their employment. Of RNs (n = 203) who could have been employed for 5 years, 43.3% remained at the UNMH. There were no differences in initial and 1-year RN employment based on age, gender, race, or ethnicity. RNs employed for 5 years were more likely to be male. CONCLUSION: The nurse internship program provided students with experience, knowledge, skills, and income. The UNMH hired graduate nurses and increased employee retention. [J Contin Educ Nurs. 2020;51(11):504-508.].
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Internado y Residencia , Enfermeras y Enfermeros , Empleo , Femenino , Humanos , Capacitación en Servicio , Masculino , Selección de PersonalRESUMEN
BACKGROUND: Nurse practitioner (NP) autonomy is often misunderstood and misconstrued. These misconceptions cause a confusing interplay of words that impedes advocating for policy change and ultimately hinders the profession. OBJECTIVE: To develop a clear definition of NP autonomy to describe the professional role. DATA SOURCES: Walker and Avant's method of concept analysis was used to undertake a concept analysis of NP autonomy. The terms used to search for possible uses and definitions of NP autonomy in electronic databases included NP, autonomy, and concept analysis. In addition, the websites for nursing organizations, Google, Google Scholar, and the Merriam-Webster dictionary were searched and included in this analysis. This search yielded 29 articles, consisting of literature reviews, meta-synthesis, position papers, and qualitative and quantitative studies. CONCLUSIONS: Nurse practitioner autonomy should be defined as the NP's use of their experience, clinical judgment, and responsibility to practice without restriction in professional collaboration with other health care professionals. Autonomy allows NPs to practice to the maximum extent of their advanced education, participate in productive and voluntarily collaborations, and continue to positively influence health care discrepancies throughout the United States. IMPLICATIONS FOR PRACTICE: This concept analysis provides a clear definition of NP autonomy. In addition, it explains the difference between the concepts of NP autonomy and full practice authority. Clear definitions of the concepts of NP autonomy and full practice authority will be beneficial in advocating and advancing policy on behalf of NPs.
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Formación de Concepto , Enfermeras Practicantes/tendencias , Rol de la Enfermera/psicología , Autonomía Profesional , Humanos , Enfermeras Practicantes/normasRESUMEN
BACKGROUND: Delivery of topical pharmacotherapy to the paranasal sinuses remains integral to the management of chronic rhinosinusitis. The frontal sinus remains a difficult access site for irrigations, often limited by its position relative to the nostril and ethmoid sinus. In view of the previous demonstration of improved frontal sinus irrigation with Draf III vs Draf IIa, in this work we sought to evaluate topical access of Draf IIb relative to Draf IIa and Draf III modification of the frontal sinus outflow tract. METHODS: Unfixed human cadaver heads were dissected using Draf IIa, Draf IIb, and Draf III frontal sinusotomies. Draf IIa, Draf IIb, and Draf III frontal sinusotomies were performed in progressive sequence on each cadaver head. Nasal irrigation fluid access to the frontal sinus was tested after each successive frontal sinus intervention. Irrigations were performed using Frankfort horizontal and vertex positioning. Blinded reviewers were then asked to evaluate nasal irrigation access based on an ordinal scale. RESULTS: Eight cadaveric specimens (age, 78 ± 12.3 years; 62.5% female) were assessed. The greatest distribution scores were recorded by Draf III, then IIb, and then IIa (90.7% vs 81.3% vs 50.1%; p < 0.001). Similarly, the rate of lavage was greatest with Draf III (50% vs 12.5% vs 12.5%). Vertex positioning and increasing volume trended toward improved distribution but did not reach statistical significance. CONCLUSION: Adequate delivery of topical therapy to the paranasal sinuses by nasal irrigation remains critical in the postoperative state. Although increasing the dimensions of the frontal recess improves nasal irrigation delivery, the Draf III procedure provides the optimal delivery of pharmacotherapy in those with frontal sinus disease.
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Seno Frontal/cirugía , Lavado Nasal (Proceso) , Cirugía Endoscópica por Orificios Naturales/métodos , Anciano , Anciano de 80 o más Años , Femenino , Seno Frontal/metabolismo , Humanos , Masculino , Cavidad Nasal/metabolismo , Cavidad Nasal/cirugía , Posicionamiento del Paciente , Cuidados Posoperatorios , Sinusitis/cirugía , Sinusitis/terapiaRESUMEN
Cerebrovascular dysfunction and cognitive decline are highly prevalent in aging, but the mechanisms underlying these impairments are unclear. Cerebral blood flow decreases with aging and is one of the earliest events in the pathogenesis of Alzheimer's disease (AD). We have previously shown that the mechanistic/mammalian target of rapamycin (mTOR) drives disease progression in mouse models of AD and in models of cognitive impairment associated with atherosclerosis, closely recapitulating vascular cognitive impairment. In the present studies, we sought to determine whether mTOR plays a role in cerebrovascular dysfunction and cognitive decline during normative aging in rats. Using behavioral tools and MRI-based functional imaging, together with biochemical and immunohistochemical approaches, we demonstrate that chronic mTOR attenuation with rapamycin ameliorates deficits in learning and memory, prevents neurovascular uncoupling, and restores cerebral perfusion in aged rats. Additionally, morphometric and biochemical analyses of hippocampus and cortex revealed that mTOR drives age-related declines in synaptic and vascular density during aging. These data indicate that in addition to mediating AD-like cognitive and cerebrovascular deficits in models of AD and atherosclerosis, mTOR drives cerebrovascular, neuronal, and cognitive deficits associated with normative aging. Thus, inhibitors of mTOR may have potential to treat age-related cerebrovascular dysfunction and cognitive decline. Since treatment of age-related cerebrovascular dysfunction in older adults is expected to prevent further deterioration of cerebral perfusion, recently identified as a biomarker for the very early (preclinical) stages of AD, mTOR attenuation may potentially block the initiation and progression of AD.
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Envejecimiento/genética , Circulación Cerebrovascular/fisiología , Disfunción Cognitiva/fisiopatología , Serina-Treonina Quinasas TOR/genética , Animales , Modelos Animales de Enfermedad , Femenino , Humanos , Masculino , RatasRESUMEN
OBJECTIVES/HYPOTHESIS: The purpose of this study was to assess voice outcomes after endoscopic sinus surgery (ESS) in patients with chronic rhinosinusitis with nasal polyposis (CRSwNP). STUDY DESIGN: Individual cohort study. METHODS: A study was performed of patients with CRSwNP who underwent ESS from July 2015 to May 2016 at a tertiary referral medical center. The main outcome measures were subjective improvement in patient-reported outcomes, using the 22-item Sino-Nasal Outcome Test (SNOT-22) and 10-item Voice Handicap Index (VHI-10). RESULTS: A total of 50 patients (age 47.9 years; 48% female), 66% revision and 34% primary, were available at a follow-up of 3 months. At the 3-month follow-up, both SNOT-22 and VHI-10 scores were improved from preoperative values (-41.8 and -14.7, respectively). CONCLUSIONS: Successful treatment of sinonasal disease can help to improve voice outcomes in patients with CRSwNP. There are inherent differences in the long-term outcomes of the results beyond 3 months based on practice patterns of ongoing medical management, but our results are interesting in that they show early improvement in voice outcomes. LEVEL OF EVIDENCE: 2b Laryngoscope, 129:299-302, 2019.
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Endoscopía/métodos , Pólipos Nasales/cirugía , Rinitis/cirugía , Sinusitis/cirugía , Calidad de la Voz , Enfermedad Crónica , Femenino , Humanos , Masculino , Persona de Mediana Edad , Resultado del TratamientoRESUMEN
At subduction zones, transient aseismic slip occurs either as afterslip following a large earthquake or as episodic slow slip events during the interseismic period. Afterslip and slow slip events are usually considered as distinct processes occurring on separate fault areas governed by different frictional properties. Continuous GPS (Global Positioning System) measurements following the 2016 Mw (moment magnitude) 7.8 Ecuador earthquake reveal that large and rapid afterslip developed at discrete areas of the megathrust that had previously hosted slow slip events. Regardless of whether they were locked or not before the earthquake, these areas appear to persistently release stress by aseismic slip throughout the earthquake cycle and outline the seismic rupture, an observation potentially leading to a better anticipation of future large earthquakes.
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INTRODUCTION: Perceptions of stigma and barriers associated with seeking mental health services have been described in past research with military service members who reported or screened positively for mental health concerns or who reported an intention to seek care. The reported influence of stronger perceptions of stigma on treatment seeking has varied. MATERIALS AND METHODS: An anonymous, online survey was administered to Air Force nursing personnel (N = 250) at three locations to describe beliefs associated with seeking mental health treatment and to investigate the extent to which stigma and barriers, stress, and resilience were related to mental health treatment seeking. RESULTS: Over 40% reported having accessed mental health services in their lifetime. A majority who accessed mental health services did so during their service, but there was no significant relationship with a deployment. Approximately 44% reported experiencing a current stress or emotional problem, and 28% accessed mental health services within the past 6 months. Levels of stress were significantly higher among individuals who accessed mental health care in the previous 6 months. There were no significant differences in stigma, barriers to care, or resilience on the basis of having accessed mental health care. Military resources were preferred to address a mental health concern, and respondents preferred to seek care from a mental health professional rather than other providers. CONCLUSION: Additional resources may be needed to address military personnel's nondeployment-related mental health concerns. Improved screening for increased levels of stress may aid in identifying service members who could benefit from referral to a mental health professional.