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Graph theory-based techniques have recently been adopted for anomaly detection in hyperspectral images (HSIs). However, these methods rely excessively on the relational structure within the constructed graphs and tend to downplay the importance of spectral features in the original HSI. To address this issue, we introduce graph frequency analysis to hyperspectral anomaly detection (HAD), which can serve as a natural tool for integrating graph structure and spectral features. We treat anomaly detection as a problem of graph frequency location, achieved by constructing a beta distribution-based graph wavelet space, where the optimal wavelet can be identified adaptively for anomaly detection. Initially, a high-dimensional, undirected, unweighted graph is built using the pixels in the HSI as vertices. By leveraging the observation of energy shifting to higher frequencies caused by anomalies, we can dynamically pinpoint the specific Beta wavelet associated with the anomalies' high-frequency content to accurately extract anomalies in the context of HSIs. Furthermore, we introduce a novel entropy definition to address the frequency location problem in an adaptive manner. Experimental results from seven real HSIs validate the remarkable detection performance of our newly proposed approach when compared to various state-of-the-art anomaly detection methods.
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OBJECTIVE: To investigate the effect of spectacle correction on refractive progression in children with unilateral myopic anisometropia (UMA). METHODS: In this retrospective study, 153 children with UMA (aged 8-12 years) were recruited and classified into an uncorrected (UC) group (n = 47) and a spectacle (SP) group (n = 106). The spherical equivalent refraction (SER) of the myopic eyes ranged from -0.75 to -4.00 D; the SER of the emmetropic eyes ranged from +1.00 to -0.25 D; anisometropia was ≥1.00 D and the follow-up duration was 1 year. Nineteen subjects from the SP group with follow-up records spanning at least 6 months before and after wearing spectacles were selected as a subgroup. Changes in the SER and axial length (AL), the degree of anisometropia and interocular AL differences of the two groups and the subgroup were analysed. RESULTS: During the 1-year follow-up period, AL and SER changes in myopic eyes were significantly greater than those in emmetropic eyes in the UC group (p < 0.001). For the UC group, the degree of anisometropia and AL change increased (all p < 0.001). For the SP group, there were no significant differences in the degree of anisometropia or AL change (all p > 0.05). When comparing the groups, AL elongation of the myopic eyes in the UC group occurred significantly faster than in the SP group (p = 0.02), and AL elongation for the emmetropic eyes in the UC group occurred significantly slower than in the SP group (p = 0.04). For the subgroup, the AL and SER changes in the myopic eyes 6 months before wearing spectacles occurred significantly faster than those after correction (p < 0.001). CONCLUSIONS: Spectacle correction could prevent increased anisometropia in uncorrected children with UMA by slowing myopia progression in the myopic eyes and accelerating the myopic shift in the contralateral eye.
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Background: Household air pollution (HAP) is a leading environmental risk factor accounting for about 1.6â million premature deaths mainly in low- and middle-income countries (LMICs). However, no multicounty randomized controlled trials have assessed the effect of liquefied petroleum gas (LPG) stove intervention on HAP and maternal and child health outcomes. The Household Air Pollution Intervention Network (HAPIN) was the first to assess this by implementing a common protocol in four LMICs. Objective: This manuscript describes the implementation of the HAPIN data management protocol via Research Electronic Data Capture (REDCap) used to collect over 50â million data points in more than 4000 variables from 80 case report forms (CRFs). Methods: We recruited 800 pregnant women in each study country (Guatemala, India, Peru, and Rwanda) who used biomass fuels in their households. Households were randomly assigned to receive LPG stoves and 18â months of free LPG supply (intervention) or to continue using biomass fuels (control). Households were followed for 18â months and assessed for primary health outcomes: low birth weight, severe pneumonia, and stunting. The HAPIN Data Management Core (DMC) implemented identical REDCap projects for each study site using shared variable names and timelines in local languages. Field staff collected data offline using tablets on the REDCap Mobile Application. Results: Utilizing the REDCap application allowed the HAPIN DMC to collect and store data securely, access data (near real-time), create reports, perform quality control, update questionnaires, and provide timely feedback to local data management teams. Additional REDCap functionalities (e.g. scheduling, data validation, and barcode scanning) supported the study. Conclusions: While the HAPIN trial experienced some challenges, REDCap effectively met HAPIN study goals, including quality data collection and timely reporting and analysis on this important global health trial, and supported more than 40 peer-reviewed scientific publications to date.
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BACKGROUND: It is well established that catastrophic thinking about pain modulates clinical pain severity, but it may also relate to interindividual differences in the pain experience during procedures. This mixed-methods study investigated the relationship between ratings of situational pain catastrophizing and reported pain sensitivity in the context of receiving a nerve block without sedation, and explored participants' experiences. METHODS: Healthy volunteers (n = 42) completed baseline psychosocial questionnaires, underwent quantitative sensory testing, and received a lower extremity nerve block, followed by further psychosocial assessment and interviews. Associations of catastrophizing scores with pain sensitivity and procedural site pain were assessed using Spearman's correlations. Interviews were reviewed using an immersion/crystallization approach to identify emergent themes. RESULTS: Greater situational catastrophizing scores were associated with higher pain sensitivity, measured as lower pain threshold and tolerance. Although females exhibited greater pain sensitivity generally, moderation analysis revealed a significant association between situational catastrophizing scores and pain sensitivity only among male participants. Qualitative interviews revealed the importance of participants' emotional responses to pain, and a mismatch of expectation and experience with procedural pain. Males also reported more negative comments about procedural pain. DISCUSSION: Examination of the variable subjective experience while receiving a nerve block in this experimental lab-based study revealed an important relationship between situational pain catastrophizing scores and pain sensitivity, which was more prominent among male participants. These findings reinforce how insight into individual expectations, emotions, and thought processes may impact pain sensitivity during procedures, and may inform strategies to personalize care, improving patient satisfaction and procedural acceptance.
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BACKGROUND: Anemia is common in low- and middle-income countries (LMICs), causing significant health issues and social burdens. Exposure to household air pollution from using biomass fuels for cooking and heating has been associated with anemia, but the exposure-response association has not been studied. OBJECTIVES: We evaluated the associations between personal exposure to air pollution and both hemoglobin levels and anemia prevalence among pregnant women in a multi-country randomized controlled trial. METHODS: We studied 3,163 pregnant women aged 18-35 years with 9-20 weeks of gestation, recruited as part of the Household Air Pollution Intervention Network (HAPIN) randomized controlled trial in Guatemala, India, Peru, and Rwanda. We assessed 24-hour personal exposures to fine particulate matter (PM2.5), black carbon (BC), and carbon monoxide (CO), and measured hemoglobin levels at baseline (15 ± 3 weeks gestation). Linear and logistic regression models were used to examine the associations of measured pollutants with hemoglobin levels and anemia prevalence, adjusting for confounding. RESULTS: Single-pollutant models showed associations of CO with higher hemoglobin levels and lower anemia prevalence. Bipollutant models involving CO and PM2.5 also revealed that an interquartile range (IQR) increase in CO concentrations (2.26 ppm) was associated with higher hemoglobin levels [ß = 0.04; 95 % confidence interval (CI): 0.01, 0.07], and a lower odds of anemia prevalence [odds ratios (OR) = 0.90; 95 % CI: 0.83, 0.98]. PM2.5 was inversely related to hemoglobin and positively associated with anemia, but results were not statistically significant at the 0.05 alpha level. County-specific results showed that 3 of 4 countries showed a similar association between CO and hemoglobin. We found no association of BC levels with hemoglobin levels or with anemia prevalence. CONCLUSION: Our findings suggest that exposure to CO is associated with higher hemoglobin and lower anemia prevalence among pregnant women, whereas PM2.5 showed the opposite associations.
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Contaminación del Aire Interior , Anemia , Monóxido de Carbono , Hemoglobinas , Material Particulado , Humanos , Femenino , Embarazo , Contaminación del Aire Interior/estadística & datos numéricos , Contaminación del Aire Interior/análisis , Contaminación del Aire Interior/efectos adversos , Adulto , Anemia/epidemiología , Anemia/sangre , Anemia/inducido químicamente , Adulto Joven , Material Particulado/análisis , India/epidemiología , Adolescente , Monóxido de Carbono/análisis , Hemoglobinas/análisis , Guatemala/epidemiología , Perú/epidemiología , Rwanda/epidemiología , Prevalencia , Culinaria , Contaminantes Atmosféricos/análisis , Exposición a Riesgos Ambientales/estadística & datos numéricosRESUMEN
BACKGROUND: Patients with myocardial ischemia without obstructive coronary artery disease often have coronary microvascular dysfunction (CMD) and associated increased risk of cardiovascular (CV) events and anginal hospitalizations. Epicardial adipose tissue (EAT) covers much of the myocardium and coronary arteries and when dysfunctional, secretes proinflammatory cytokines and is associated with CV events. While oxidative stress and systemic inflammation are associated with CMD, the relationship between EAT and CMD in women is not well known. METHODS: Women diagnosed with CMD (n = 21) who underwent coronary computed tomography with coronary artery calcium (CAC) scoring were compared to a reference group (RG) of women referred for CAC screening for preventive risk assessment (n = 181). EAT attenuation (Hounsfield units (HU)) was measured adjacent to the proximal right coronary artery, along with subcutaneous adipose tissue (SCAT). Two-sample t-tests with unequal variances were utilized. RESULTS: Mean age of the CMD group was 56 ± 8 years and body mass index (BMI) was 31.6 ± 6.8 kg/m2. CV risk factors in the CMD group were prevalent: 67 % hypertension, 44 % hyperlipidemia, and 33 % diabetes. Both CMD and RG had similar CAC score (25.86 ± 59.54 vs. 24.17 ± 104.6; p = 0.21. In the CMD group, 67 % had a CAC of 0. Minimal atherosclerosis (CAD-RADS 1) was present in 76 % of women with CMD. The CMD group had lower EAT attenuation than RG (-103.3 ± 6.33 HU vs. -97.9 ± 8.3 HU, p = 0.009, respectively). There were no differences in SCAT attenuation. Hypertension, smoking history, age, BMI, and CAC score did not correlate with EAT in either of the groups. CONCLUSIONS: Women with CMD have decreased EAT attenuation compared to RG women. EAT-mediated inflammation and changes in vascular tone may be a mechanistic contributor to abnormal microvascular reactivity. Clinical trials testing therapeutic strategies to decrease EAT may be warranted in the management of CMD.
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Tejido Adiposo , Angiografía por Tomografía Computarizada , Angiografía Coronaria , Enfermedad de la Arteria Coronaria , Circulación Coronaria , Vasos Coronarios , Microcirculación , Pericardio , Humanos , Femenino , Persona de Mediana Edad , Pericardio/diagnóstico por imagen , Tejido Adiposo/diagnóstico por imagen , Proyectos Piloto , Enfermedad de la Arteria Coronaria/diagnóstico por imagen , Enfermedad de la Arteria Coronaria/fisiopatología , Vasos Coronarios/diagnóstico por imagen , Vasos Coronarios/fisiopatología , Anciano , Factores de Riesgo de Enfermedad Cardiaca , Microvasos/diagnóstico por imagen , Microvasos/fisiopatología , Valor Predictivo de las Pruebas , Calcificación Vascular/diagnóstico por imagen , Calcificación Vascular/fisiopatología , Tejido Adiposo EpicárdicoRESUMEN
This case report describes the use of hyperpolarized magnetic resonance imaging (MRI) in a patient with head and neck squamous cell carcinoma (HNSCC) to demonstrate its translational viability.
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Neoplasias de Cabeza y Cuello , Imagen por Resonancia Magnética , Humanos , Imagen por Resonancia Magnética/métodos , Neoplasias de Cabeza y Cuello/metabolismo , Neoplasias de Cabeza y Cuello/diagnóstico por imagen , Neoplasias de Cabeza y Cuello/patología , Carcinoma de Células Escamosas de Cabeza y Cuello/diagnóstico por imagen , Carcinoma de Células Escamosas de Cabeza y Cuello/metabolismo , MasculinoRESUMEN
In the aftermath of the COVID-19 pandemic, numerous studies have indicated that individuals are confronting a diminished sense of control. Compensatory control theory suggests that individuals strive to mitigate this loss by modifying their behavior. The present study aims to investigate the relationship between self-control and compensatory control change during the COVID-19 pandemic, as well as the mediating effects of openness and the personal need for structure. Participants completed an online questionnaire consisting of Personal Need for Structure Scale, Self-Control Scale, Openness Scale and Compensatory Control Change Scale. The results showed that the compensatory control change increased after the outbreak. Moreover, a serial mediation was found: openness and the personal need for structure partially mediated the relationship between self-control and compensatory control change. The results indicate that the COVID-19 pandemic has led to an increase in compensatory control behaviors, especially among those with pronounced self-control. High self-control individuals are found to exhibit greater openness, reducing their personal need for structure, in effect enhancing their compensatory control change. These findings highlight the critical role of self-control in sustaining a sense of control, which is vital for understanding psychological health management in the context of public health events.
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BACKGROUND: Household air pollution might lead to fetal growth restriction during pregnancy. We aimed to investigate whether a liquefied petroleum gas (LPG) intervention to reduce personal exposures to household air pollution during pregnancy would alter fetal growth. METHODS: The Household Air Pollution Intervention Network (HAPIN) trial was an open-label randomised controlled trial conducted in ten resource-limited settings across Guatemala, India, Peru, and Rwanda. Pregnant women aged 18-34 years (9-19 weeks of gestation) were randomly assigned in a 1:1 ratio to receive an LPG stove, continuous fuel delivery, and behavioural messaging or to continue usual cooking with biomass for 18 months. We conducted ultrasound assessments at baseline, 24-28 weeks of gestation (the first pregnancy visit), and 32-36 weeks of gestation (the second pregnancy visit), to measure fetal size; we monitored 24 h personal exposures to household air pollutants during these visits; and we weighed children at birth. We conducted intention-to-treat analyses to estimate differences in fetal size between the intervention and control group, and exposure-response analyses to identify associations between household air pollutants and fetal size. This trial is registered with ClinicalTrials.gov (NCT02944682). FINDINGS: Between May 7, 2018, and Feb 29, 2020, we randomly assigned 3200 pregnant women (1593 to the intervention group and 1607 to the control group). The mean gestational age was 14·5 (SD 3·0) weeks and mean maternal age was 25·6 (4·5) years. We obtained ultrasound assessments in 3147 (98·3%) women at baseline, 3052 (95·4%) women at the first pregnancy visit, and 2962 (92·6%) at the second pregnancy visit, through to Aug 25, 2020. Intervention adherence was high (the median proportion of days with biomass stove use was 0·0%, IQR 0·0-1·6) and pregnant women in the intervention group had lower mean exposures to particulate matter with a diameter less than 2·5 µm (PM2·5; 35·0 [SD 37·2] µg/m3vs 103·3 [97·9] µg/m3) than did women in the control group. We did not find differences in averaged post-randomisation Z scores for head circumference (0·30 vs 0·39; p=0·04), abdominal circumference (0·38 vs 0·39; p=0·99), femur length (0·44 vs 0·45; p=0·73), and estimated fetal weight or birthweight (-0·13 vs -0·12; p=0·70) between the intervention and control groups. Personal exposures to household air pollutants were not associated with fetal size. INTERPRETATION: Although an LPG cooking intervention successfully reduced personal exposure to air pollution during pregnancy, it did not affect fetal size. Our findings do not support the use of unvented liquefied petroleum gas stoves as a strategy to increase fetal growth in settings were biomass fuels are used predominantly for cooking. FUNDING: US National Institutes of Health and Bill & Melinda Gates Foundation. TRANSLATIONS: For the Kinyarwanda, Spanish and Tamil translations of the abstract see Supplementary Materials section.
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Contaminantes Atmosféricos , Desarrollo Fetal , Femenino , Humanos , Recién Nacido , Masculino , Embarazo , Biomasa , Culinaria , India , Estados Unidos , Adolescente , Adulto Joven , AdultoRESUMEN
BACKGROUND: This study aimed to determine the median effective dose (ED50) and 95% effective dose (ED95) of nicardipine for treating pituitrin-induced hypertension during laparoscopic myomectomy, providing guidance for the management of intraoperative blood pressure in such patients. METHODS: Among the initial 40 participants assessed, 24 underwent elective laparoscopic myomectomy. A sequential up-and-down method was employed to ascertain the ED50 of nicardipine based on its antihypertensive efficacy. Nicardipine was initially administered at 6 µg/kg following the diagnosis of pituitrin-induced hypertension in the first patient. Dosing adjustments were made to achieve the desired antihypertensive effect, restoring systolic blood pressure and heart rate to within ± 20% of baseline within 120 s. The dosing increment or reduction was set at 0.5 µg/kg for effective or ineffective responses, respectively. The ED50 and ED95 of nicardipine were calculated using Probit regression by Maximum Likelihood Estimation (MLE) to establish dose-response curves and confidence intervals. RESULTS: 24 patients were included for analysis finally. The ED50 and ED95 of nicardipine for blood pressure control after pituitrin injection were determined. The study found that the ED50 of nicardipine for treating pituitrin-induced hypertension was 4.839 µg/kg (95% CI: 4.569-5.099 µg/kg), and the ED95 was estimated at 5.308 µg/kg (95% CI: 5.065-6.496 µg/kg). Nicardipine effectively mitigated the hypertensive response caused by pituitrin without inducing significant tachycardia or hypotension. CONCLUSIONS: Nicardipine effectively controlled blood pressure after pituitrin injection during laparoscopic myomectomy, with ED50 and ED95 values established. This research highlights the potential utility of nicardipine in addressing hypertensive responses induced by pituitrin, particularly in clinical settings where pituitrin is routinely administered.
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Antihipertensivos , Relación Dosis-Respuesta a Droga , Hipertensión , Laparoscopía , Nicardipino , Miomectomía Uterina , Humanos , Nicardipino/administración & dosificación , Femenino , Adulto , Hipertensión/tratamiento farmacológico , Laparoscopía/métodos , Miomectomía Uterina/métodos , Antihipertensivos/administración & dosificación , Anestesia Intravenosa/métodos , Hormona Liberadora de Gonadotropina , Presión Sanguínea/efectos de los fármacosRESUMEN
The extraction of phase information is crucial in moiré tomography for achieving accurate results. In this paper, a method for extracting phase information of moiré fringes based on the Morlet continuous wavelet transform is introduced. A detailed exposition of the theoretical deduction and algorithmic procedure of this method is provided. And then, to validate the feasibility and applicability of this approach, four flow fields are conducted as test objects for experiments. Based on that, the phase results provided by the Morlet continuous wavelet transform are compared with those obtained by the reported techniques such as Fourier transform and Gabor wavelet transform. It is evident that Morlet continuous wavelet transform demonstrates superior accuracy and smoothness, which proves the reliability of this method. In summary, the method presented in this study probably offers an effective method with broad applications.
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Focus back effort, concentration effort, and focus back state are factors associated with mind wandering. Focus back effort, proposed in alignment with the definition of focus back state, has been previously regarded as one manifestation of concentration effort. The primary goals of the current study are to explore the relationship between concentration effort, focus back effort, focus back state, and mind wandering. To shed light on the issue, we assessed the level of each cognitive measure in a single task. The findings revealed significant correlations between concentration effort, focus back effort, focus back state, and mind wandering. Mediation analysis suggested that focus back effort played a mediating role in the relationship between concentration effort and focus back state. Additionally, we observed that these measures independently influenced task performance through their impact on mind wandering. Our results provide potential avenues for interventions aimed at addressing individuals' mind wandering and enhancing task performance.
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The present study investigated the effect of social feedback on the experiences of our actions and the outcomes (e.g. temporal binding between an action and its outcome, reflecting individuals' causal beliefs modulated by their agency judgments). In Experiment 1a, participants freely decided (voluntary action) their action timing to cause an outcome, which was followed by social feedback. A larger temporal binding (TB) following negative vs. positive events was found. This effect appeared neither in the random context where the causal belief between the action and outcome was absent (Experiment 1b) nor in the involuntary action context where participants' action timing was instructed (Experiment 1c). Experiments 2a and 2b examined the effect when the action-outcome was occluded, including reversing the order of outcome and feedback in Experiment 2b. Experiments 3a and 3b investigated the effect with only social feedback or only action-outcome presented. Results revealed that the effect found in Experiment 1 was driven by social feedback and independent of the availability of the action-outcome and the position of social feedback. Our findings demonstrate a stronger temporal integration of the action and its outcome following negative social feedback, reflecting fluctuations in sense of agency when faced with social feedback.
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Retroalimentación Psicológica , Humanos , Masculino , Femenino , Adulto Joven , Adulto , Percepción del Tiempo , Juicio , Percepción SocialRESUMEN
Thin film characterization is a necessary step in the semiconductor industry and nanodevice fabrication. In this work, we report a learning-assisted method to conduct the measurement based on a multi-angle polarized microscopy. By illuminating the film with a tightly focused vectorial beam with space-polarization nonseparability, the angle-dependent reflection coefficients are encoded into the reflected intensity distribution. The measurement is then transformed into an optimization problem aiming at minimizing the discrepancy between measured and simulated image features. The proposed approach is validated by numerical simulation and experimental measurements. As the method can be easily implemented with a conventional microscope, it provides a low cost solution to measure film parameters with a high spatial resolution and time efficiency.
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Background: Laparoscopic duodenum-preserving pancreatic head resection (LDPPHR) is a surgical procedure that involves the removal of the pancreatic head while aiming to preserve the integrity of the digestive and biliary tracts. With advancements in laparoscopic techniques, the utilization of LDPPHR has been increasing. Methods: We retrospectively analyzed the clinical data of 10 patients who underwent laparoscopic duodenum-preserving total pancreatic head resection (LDPPHR-t) at our center from June 2019 to October 2021. Additionally, we analyzed the use of indocyanine green (ICG) in the initial stage of LDPPHR, based on current reports. Results: LDPPHR-t was successfully performed in all patients. After surgery, 3 patients experienced pancreatic fistula (Grade B), 2 patients experienced bile leakage, and 2 patients experienced postoperative hemorrhage. However, no patient exhibited recurrence or required secondary surgery. Conclusion: LDPPHR-t is a new method for treating benign and low-grade malignant tumors in the pancreatic head. However, it is associated with a high incidence of postoperative complications. In the initial stage, the use of ICG can assist surgeons in identifying the biliary duct and pancreaticoduodenal artery arcade.
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Laparoscopía , Neoplasias Pancreáticas , Humanos , Neoplasias Pancreáticas/cirugía , Neoplasias Pancreáticas/patología , Estudios Retrospectivos , Pancreatectomía/métodos , Páncreas/cirugía , Duodeno/cirugía , Laparoscopía/métodosRESUMEN
The retrospective view of temporal binding (TB), the temporal contraction between one's actions and their effects, proposes that TB is influenced by what happens after the action. However, the role of the interaction between multiple sources of information following the action in the formation of TB has received limited attention. The current study aims to address this gap by investigating the combined influence of social feedback and outcome valence (i.e., positive or negative outcomes) on TB. In Experiment 1, the valenced outcome was followed by either positive or negative social feedback. The results showed that negative social feedback enlarged the difference between TB over negative and positive outcomes relative to positive social feedback. The modulatory effect of social feedback on TB was not observed in the absence of causal beliefs between actions and outcomes (Experiment 2). These results highlight the importance of considering the complex interplay between cognitive, emotional, and social factors in shaping our subjective temporal experience.
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Emociones , Intención , Humanos , Retroalimentación , Estudios RetrospectivosRESUMEN
BACKGROUND: Exposure to household air pollution is a risk factor for severe pneumonia. The effect of replacing biomass cookstoves with liquefied petroleum gas (LPG) cookstoves on the incidence of severe infant pneumonia is uncertain. METHODS: We conducted a randomized, controlled trial involving pregnant women 18 to 34 years of age and between 9 to less than 20 weeks' gestation in India, Guatemala, Peru, and Rwanda from May 2018 through September 2021. The women were assigned to cook with unvented LPG stoves and fuel (intervention group) or to continue cooking with biomass fuel (control group). In each trial group, we monitored adherence to the use of the assigned cookstove and measured 24-hour personal exposure to fine particulate matter (particles with an aerodynamic diameter of ≤2.5 µm [PM2.5]) in the women and their offspring. The trial had four primary outcomes; the primary outcome for which data are presented in the current report was severe pneumonia in the first year of life, as identified through facility surveillance or on verbal autopsy. RESULTS: Among 3200 pregnant women who had undergone randomization, 3195 remained eligible and gave birth to 3061 infants (1536 in the intervention group and 1525 in the control group). High uptake of the intervention led to a reduction in personal exposure to PM2.5 among the children, with a median exposure of 24.2 µg per cubic meter (interquartile range, 17.8 to 36.4) in the intervention group and 66.0 µg per cubic meter (interquartile range, 35.2 to 132.0) in the control group. A total of 175 episodes of severe pneumonia were identified during the first year of life, with an incidence of 5.67 cases per 100 child-years (95% confidence interval [CI], 4.55 to 7.07) in the intervention group and 6.06 cases per 100 child-years (95% CI, 4.81 to 7.62) in the control group (incidence rate ratio, 0.96; 98.75% CI, 0.64 to 1.44; P = 0.81). No severe adverse events were reported to be associated with the intervention, as determined by the trial investigators. CONCLUSIONS: The incidence of severe pneumonia among infants did not differ significantly between those whose mothers were assigned to cook with LPG stoves and fuel and those whose mothers were assigned to continue cooking with biomass stoves. (Funded by the National Institutes of Health and the Bill and Melinda Gates Foundation; HAPIN ClinicalTrials.gov number, NCT02944682.).
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Contaminación del Aire Interior , Biomasa , Culinaria , Exposición por Inhalación , Petróleo , Neumonía , Femenino , Humanos , Lactante , Embarazo , Contaminación del Aire Interior/efectos adversos , Contaminación del Aire Interior/análisis , Culinaria/métodos , Material Particulado/efectos adversos , Material Particulado/análisis , Petróleo/efectos adversos , Neumonía/etiología , Adolescente , Adulto Joven , Adulto , Internacionalidad , Exposición por Inhalación/efectos adversos , Exposición por Inhalación/análisis , Exposición Materna/efectos adversos , Efectos Tardíos de la Exposición Prenatal/etiologíaRESUMEN
BACKGROUND: Household air pollution is associated with stunted growth in infants. Whether the replacement of biomass fuel (e.g., wood, dung, or agricultural crop waste) with liquefied petroleum gas (LPG) for cooking can reduce the risk of stunting is unknown. METHODS: We conducted a randomized trial involving 3200 pregnant women 18 to 34 years of age in four low- and middle-income countries. Women at 9 to less than 20 weeks' gestation were randomly assigned to use a free LPG cookstove with continuous free fuel delivery for 18 months (intervention group) or to continue using a biomass cookstove (control group). The length of each infant was measured at 12 months of age, and personal exposures to fine particulate matter (particles with an aerodynamic diameter of ≤2.5 µm) were monitored starting at pregnancy and continuing until the infants were 1 year of age. The primary outcome for which data are presented in the current report - stunting (defined as a length-for-age z score that was more than two standard deviations below the median of a growth standard) at 12 months of age - was one of four primary outcomes of the trial. Intention-to-treat analyses were performed to estimate the relative risk of stunting. RESULTS: Adherence to the intervention was high, and the intervention resulted in lower prenatal and postnatal 24-hour personal exposures to fine particulate matter than the control (mean prenatal exposure, 35.0 µg per cubic meter vs. 103.3 µg per cubic meter; mean postnatal exposure, 37.9 µg per cubic meter vs. 109.2 µg per cubic meter). Among 3061 live births, 1171 (76.2%) of the 1536 infants born to women in the intervention group and 1186 (77.8%) of the 1525 infants born to women in the control group had a valid length measurement at 12 months of age. Stunting occurred in 321 of the 1171 infants included in the analysis (27.4%) of the infants born to women in the intervention group and in 299 of the 1186 infants included in the analysis (25.2%) of those born to women in the control group (relative risk, 1.10; 98.75% confidence interval, 0.94 to 1.29; P = 0.12). CONCLUSIONS: An intervention strategy starting in pregnancy and aimed at mitigating household air pollution by replacing biomass fuel with LPG for cooking did not reduce the risk of stunting in infants. (Funded by the National Institutes of Health and the Bill and Melinda Gates Foundation; HAPIN ClinicalTrials.gov number, NCT02944682.).
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Contaminación del Aire Interior , Petróleo , Lactante , Femenino , Humanos , Embarazo , Contaminación del Aire Interior/efectos adversos , Contaminación del Aire Interior/análisis , Biomasa , Material Particulado/efectos adversos , Material Particulado/análisis , Culinaria , Trastornos del Crecimiento/epidemiología , Trastornos del Crecimiento/etiología , Trastornos del Crecimiento/prevención & controlRESUMEN
OBJECTIVES: Mobile devices facilitate the healthcare management of breast cancer. Meanwhile, specialist nurses play an important role in disease management. We established a smartphone-based app that enables patients to raise questions to specialist nurses. We aimed to evaluate whether the information support provided by specialist nurses via smartphone app could improve the treatment adherence of breast cancer patients. DATA SOURCE: Breast cancer patients who received surgery and registered for the app between March 2013 and April 2020 were included. Data related to the use of the app, the number of raised questions, and the specific content of each question were retrieved. Overall, 2675 patients were included, with 560 patients raising questions to specialist nurses via the app. Patients with higher educational levels, postmenopause status, and more advanced diseases were more likely to seek informational support via a smartphone app. The treatment adherence was 86.4%. Multivariate analysis demonstrated that raising questions was associated with better compliance. Regarding the distribution of questions, 78.8% of patients had questions about the treatment schedule and procedure, 65.9% of patients had questions during the adjuvant treatment, and only 19.6% of patients raised questions about follow-up and rehabilitation. After a median follow-up of 44 months, there was no survival difference between patients who raised questions and those who did not. CONCLUSION: Seeking information support from specialist nurses was associated with better treatment adherence. The smartphone-based healthcare app enables specialist nurses to provide more conducive service for patients, and validation of this finding in further studies is warranted. IMPLICATIONS FOR NURSING PRACTICE: Breast cancer patients were more interested in problems with treatment procedures and schedules. Those who asked questions had better treatment adherence. The smartphone-based app could not only provide patients with a platform to seek information support but also help specialist nurses understand the needs of patients.
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Neoplasias de la Mama , Aplicaciones Móviles , Femenino , Humanos , Neoplasias de la Mama/terapia , Cooperación del Paciente , Cuidados PaliativosRESUMEN
Emerging evidence indicates that SOX2 is an oncogene for esophageal squamous cell carcinoma (ESCC). However, direct targeting of SOX2 is not feasible given that this transcription factor plays important roles in the maintenance of tissues such as the brain. Here, we identified CDP (Homeobox protein cut-like 1 or CASP) as a unique SOX2 binding partner enriched in ESCC with Duolink proximity ligation assay, bimolecular fluorescence complementation (BiFc) and immunoprecipitation. We then screened a peptide aptamer library using BiFc and immunoprecipitation and identified several peptide aptamers, including P58, that blocked the CDP/SOX2 interaction, leading to the inhibition of ESCC progress in vitro and in vivo. Upon administration, synthetic peptide P58, containing the YGRKKRRQRRR cell-penetrating peptide and the fluorophore TAMRA, also blocked the growth and metastasis of ESCC in both mice and zebrafish. Therefore, targeting the SOX2 binding partner CDP with peptide P58 offers an alternative avenue to treat ESCC with increased SOX2 levels.