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BACKGROUND: Moyamoya is a chronic occlusive cerebrovascular disease of unknown etiology causing neovascularization of the lenticulostriate collaterals at the base of the brain. Although revascularization surgery is the most effective treatment for moyamoya, there is still no consensus on the best surgical treatment modality as different studies provide different outcomes. OBJECTIVE: In this large case series, we compare the outcomes of direct (DR) and indirect revascularisation (IR) and compare our results to the literature in order to reflect on the best revascularization modality for moyamoya. METHODS: We conducted a multicenter retrospective study in accordance with the Strengthening the Reporting of Observational studies in Epidemiology guidelines of moyamoya affected hemispheres treated with DR and IR surgeries across 13 academic institutions predominantly in North America. All patients who underwent surgical revascularization of their moyamoya-affected hemispheres were included in the study. The primary outcome of the study was the rate of symptomatic strokes. RESULTS: The rates of symptomatic strokes across 515 disease-affected hemispheres were comparable between the two cohorts (11.6% in the DR cohort vs 9.6% in the IR cohort, OR 1.238 (95% CI 0.651 to 2.354), p=0.514). The rate of total perioperative strokes was slightly higher in the DR cohort (6.1% for DR vs 2.0% for IR, OR 3.129 (95% CI 0.991 to 9.875), p=0.052). The rate of total follow-up strokes was slightly higher in the IR cohort (8.1% vs 6.6%, OR 0.799 (95% CI 0.374 to 1.709) p=0.563). CONCLUSION: Since both modalities showed comparable rates of overall total strokes, both modalities of revascularization can be performed depending on the patient's risk assessment.
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Revascularização Cerebral , Doença de Moyamoya , Acidente Vascular Cerebral , Humanos , Estudos Retrospectivos , Revascularização Cerebral/efeitos adversos , Revascularização Cerebral/métodos , Resultado do Tratamento , Acidente Vascular Cerebral/etiologia , Doença de Moyamoya/cirurgiaRESUMO
The aim of this study was to evaluate the biomechanical changes in the cornea after wearing soft contact lenses (CLs) in healthy myopic patients measured with a Corvis ST® (CST, Oculus Optikgeräte GmbH, Wetzlar, Germany) analyser. This prospective, cross-sectional, single-centre study was performed on twenty-two Caucasian patients aged between 19 and 24 years (20.64 ± 1.21 years) range. Five device-specific biomechanical parameters, the central corneal thickness (CCT), and biomechanically corrected intraocular pressure (bIOP) were measured prior to fitting and one month after CL wear. Differences between the means of the deflection amplitude ratio (DA Ratio) and the standard deviation of the DA Ratio (SD DA Ratio) pre- and post-CL wear were found to be significant (p value = 0.002 in both cases). Significant differences were found between pre- and post-CL wear values in CCT (p value = 0.013). For all other biomechanical measures, no significant differences were observed before and after treatment. A significant association was found between changes in bIOP and classification according to changes in Int. Radius (p value = 0.047) and SSI (p value = 0.026) standard deviations. The corneal biomechanical indices provided by CST demonstrate that the fitting of soft CLs is a safe optical compensation method for the stability of corneal stiffness. No significant differences were found pre- and post-CL wear in the assessment of bIOP.
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To safely select the proper therapy for ventricular fibrillation (VF), it is essential to distinguish it correctly from ventricular tachycardia (VT) and other rhythms. Provided that the required therapy is not the same, an erroneous detection might lead to serious injuries to the patient or even cause ventricular fibrillation (VF). The primary innovation of this study lies in employing a CNN to create new features. These features exhibit the capacity and precision to detect and classify cardiac arrhythmias, including VF and VT. The electrocardiographic (ECG) signals utilized for this assessment were sourced from the established MIT-BIH and AHA databases. The input data to be classified are time-frequency (tf) representation images, specifically, Pseudo Wigner-Ville (PWV). Previous to Pseudo Wigner-Ville (PWV) calculation, preprocessing for denoising, signal alignment, and segmentation is necessary. In order to check the validity of the method independently of the classifier, four different CNNs are used: InceptionV3, MobilNet, VGGNet and AlexNet. The classification results reveal the following values: for VF detection, there is a sensitivity (Sens) of 98.16%, a specificity (Spe) of 99.07%, and an accuracy (Acc) of 98.91%; for ventricular tachycardia (VT), the sensitivity is 90.45%, the specificity is 99.73%, and the accuracy is 99.09%; for normal sinus rhythms, sensitivity stands at 99.34%, specificity is 98.35%, and accuracy is 98.89%; finally, for other rhythms, the sensitivity is 96.98%, the specificity is 99.68%, and the accuracy is 99.11%. Furthermore, distinguishing between shockable (VF/VT) and non-shockable rhythms yielded a sensitivity of 99.23%, a specificity of 99.74%, and an accuracy of 99.61%. The results show that using tf representations as a form of image, combined in this case with a CNN classifier, raises the classification performance above the results in previous works. Considering that these results were achieved without the preselection of ECG episodes, it can be concluded that these features may be successfully introduced in Automated External Defibrillation (AED) and Implantable Cardioverter Defibrillation (ICD) therapies, also opening the door to their use in other ECG rhythm detection applications.
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PURPOSE: This study aimed to assess our bowel management program (BMP) and identify predictive factors for bowel control in patients with Spina Bifida (SB) and Spinal Cord Injuries (SCI). Additionally, in patients with SB, we examined the impact of fetal repair (FRG) on bowel control. METHODS: We included all patients with SB and SCI seen in the Multidisciplinary Spinal Defects Clinic at Children's Hospital Colorado from 2020 to 2023. RESULTS: 336 patients included. Fecal incontinence was present in 70% and bowel control in 30%. All patients with urinary control also had bowel control. Fecal incontinence prevalence was higher in patients with ventriculoperitoneal (VP) shunt (84%), urinary incontinence (82%), and wheelchair users (79%) compared to those who did not need a VP shunt (56%), had urinary continence (0%) and non-wheelchair users (52%), respectively (p = < 0.001 in all three scenarios). After completing BMP, 90% remained clean for stool. There was no statistical significance when comparing bowel control in FRG with non-fetal repair group. CONCLUSIONS: Urinary continence predicts bowel control in patients with SB and SCI. Risk factors for fecal incontinence were the need for a VP shunt, urinary incontinence, and wheelchair usage. We did not find any positive impact of fetal repair on bowel and urinary control.
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Incontinência Fecal , Traumatismos da Medula Espinal , Disrafismo Espinal , Incontinência Urinária , Criança , Humanos , Incontinência Fecal/etiologia , Disrafismo Espinal/complicações , Disrafismo Espinal/cirurgia , Fezes , Traumatismos da Medula Espinal/complicações , Traumatismos da Medula Espinal/cirurgiaRESUMO
PURPOSE: This study aimed to analyze our radiologically supervised bowel management program (RS-BMP) outcomes in patients with chronic idiopathic constipation (CIC). METHODS: A retrospective study was conducted. We included all patients with CIC who participated in our RS-BMP at Children´s Hospital Colorado from July 2016 to October 2022. RESULTS: Eighty patients were included. The average time with constipation was 5.6 years. Before our RS-BMP, 95% had received non-radiologically supervised treatments, and 71% had attempted two or more treatments. Overall, 90% had tried Polyethylene Glycol and 43% Senna. Nine patients had a history of Botox injections. Five underwent anterograde continence procedure, and one a sigmoidectomy. Behavioral disorders (BD) were found in 23%. At the end of the RS-BMP, 96% of patients had successful outcomes, 73% were on Senna, and 27% were on enemas. Megarectum was detected in 93% of patients with successful outcomes and 100% with unsuccessful outcomes (p = 0.210). Of the patients with BD, 89% had successful outcomes, and 11% had unsuccessful. CONCLUSION: Our RS-BMP has been proven to be effective in treating CIC. The radiologically supervised use of Senna and enemas was the appropriate treatment in 96% of the patients. BD and megarectum were associated with unsuccessful outcomes.
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Constipação Intestinal , Megacolo , Criança , Humanos , Estudos Retrospectivos , Constipação Intestinal/diagnóstico por imagem , Constipação Intestinal/terapia , Senosídeos/uso terapêutico , Polietilenoglicóis/uso terapêutico , Enema , Colo Sigmoide , Resultado do TratamentoRESUMO
The increasing challenges of agricultural processes and the growing demand for food globally are driving the industrial agriculture sector to adopt the concept of 'smart farming'. Smart farming systems, with their real-time management and high level of automation, can greatly improve productivity, food safety, and efficiency in the agri-food supply chain. This paper presents a customized smart farming system that uses a low-cost, low-power, and wide-range wireless sensor network based on Internet of Things (IoT) and Long Range (LoRa) technologies. In this system, LoRa connectivity is integrated with existing Programmable Logic Controllers (PLCs), which are commonly used in industry and farming to control multiple processes, devices, and machinery through the Simatic IOT2040. The system also includes a newly developed web-based monitoring application hosted on a cloud server, which processes data collected from the farm environment and allows for remote visualization and control of all connected devices. A Telegram bot is included for automated communication with users through this mobile messaging app. The proposed network structure has been tested, and the path loss in the wireless LoRa is evaluated.
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The aim of this study was to evaluate the relationship between myopia and ocular biometric variables using the Pentacam AXL® single rotation Scheimpflug camera. This prospective, cross-sectional, single-center study was performed in fifty Caucasian patients aged between 18 and 30 years (24.84 ± 3.04 years). The measured variables included maximum and minimum keratometry (K1 and K2, respectively), anterior chamber depth (ACD), corneal horizontal diameter or white to white (WTW), central corneal thickness (CCT), corneal asphericity (Q), and axial length (AXL). The tomographic and biometric measurements were considered optimal when the quality factor was greater than 95% according to the manufacturer's software instructions. The AXL presented a significant correlation with the spherical equivalent without cycloplegia (SE without CP), age at onset of myopia (r = -0.365, p = 0.012), mean keratometry (Km) (r = -0.339, p = 0.016), ACD (r = 0.304, p = 0.032), and WTW (r = 0.406, p = 0.005). The eyes with AXL higher than 25 mm had earlier onset; higher SE without CP, AXL, and Q; and a flatter Km. AXL is the biometric variable with the greatest influence on the final refractive state in the adult myopic eye. Ophthalmologists and optometric management must consider these biometric differences in order to identify the most appropriate correction techniques in each case. The use of the Pentacam AXL in ocular biometric measurement is effective, reproducible, and non-invasive.
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BACKGROUND: One of the defining narratives of the COVID-19 pandemic has been the acceptance and distribution of vaccine. To compare the outcomes of COVID-19 positive vaccinated and unvaccinated stroke patients. METHODS: This is a single-center retrospective study of COVID-19-vaccinated and unvaccinated stroke patients between April 2020 and March 2022. All patients presenting with stroke regardless of treatment modalities were included. National Institutes of Health Stroke Scale was used to assess stroke severity. The primary outcome was functional capacity of the patients at discharge. RESULTS: The study cohort comprised 203 COVID-19 positive stroke patients divided into 139 unvaccinated and 64 fully vaccinated patients. At discharge, the modified Rankin scale score was significantly lower in the vaccinated cohort (3[1-4] vs. 4[2-5], odds ratio = 0.508, P = 0.011). At 3 months of follow-up, the median modified Rankin scale score was comparable between both cohorts. CONCLUSIONS: Although vaccination did not show any significant difference in stroke patient outcomes on follow-up, vaccines were associated with lower rates of morbidity and mortality at discharge among stroke patients during the pandemic.
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COVID-19 , Acidente Vascular Cerebral , Estados Unidos , Humanos , Vacinas contra COVID-19/uso terapêutico , COVID-19/prevenção & controle , Pandemias , Estudos Retrospectivos , Acidente Vascular Cerebral/prevenção & controleRESUMO
Mechanical thrombectomy is established as standard of care in the management of acute ischemic stroke due to large vessel occlusion and evidence-based guidelines for mechanical thrombectomy have been defined. As research continues to further expand the eligibility criteria for thrombectomy and the number of thrombectomy procedures increase worldwide, there is also growing focus on innovation of thrombectomy devices, procedural techniques, and related outcomes. Thrombectomy primarily involves use of stent retrievers and distal aspiration techniques, but variations and different combinations of techniques have been reported. As this is a rapidly evolving area in stroke management, there is debate as to which, if any, of these techniques leads to improved clinical outcomes over another and there is a lack of data comparing them. In this review, currently published and distinct techniques of mechanical thrombectomy are described methodically along with illustrations to aid in understanding the subtle differences between the techniques. The perceived benefits of each variation are discussed.
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Isquemia Encefálica , Procedimentos Endovasculares , AVC Isquêmico , Acidente Vascular Cerebral , Humanos , Isquemia Encefálica/diagnóstico por imagem , Isquemia Encefálica/cirurgia , Resultado do Tratamento , Acidente Vascular Cerebral/cirurgia , Trombectomia/métodos , Stents , Procedimentos Endovasculares/métodosRESUMO
BACKGROUND: Mechanical bowel preparation (MBP) is largely used worldwide prior to colostomy closure in children, although its benefits are questioned by scientific evidence, and its use can cause adverse reactions. We hypothesized that colostomy closure procedures in children are not associated with increased complications (surgical site infection [SSI] and anastomotic leakage) when performed without MBP. Thus, we conducted a noninferiority trial to compare the safety and efficacy of colostomy takedown with and without MBP. METHODS: A randomized noninferiority clinical trial was conducted at Hospital Infantil de Mexico in Mexico City from 2015 to 2019, in which the experimental group did not receive MBP prior to colostomy closure. A total of 79 patients were analyzed, and the primary outcomes were safety-related. Data were analyzed using the chi-squared test, Student's t-test, or Mann-Whitney U test as appropriate. RESULTS: The demographics in both groups were comparable. Statistical analysis revealed equivalence in safety outcomes (superficial SSI, 22.5% vs 15.3% p = 0.420; deep SSI, 7.5% vs 0% p = 0.081; reoperation, p = 0.320; intestinal occlusion, p = 0.986); no anastomotic leakage was observed in any group. Secondary outcomes such as fasting time and length of hospital stay after surgery were also similar between the groups. However, patients who received MBP were admitted 2 days before surgery. CONCLUSIONS: Our findings indicate that withholding MBP prior to colostomy takedowns in children is not associated with increased complications. Omitting MBP also leads to less discomfort and shortens hospital length of stay, suggesting that it has safer and more effective procedures. LEVEL OF EVIDENCE: Randomized controlled clinical trial with adequate statistical power.
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Colostomia , Cuidados Pré-Operatórios , Humanos , Criança , Cuidados Pré-Operatórios/métodos , Infecção da Ferida Cirúrgica/etiologia , Fístula Anastomótica/epidemiologia , Fístula Anastomótica/etiologia , Fístula Anastomótica/prevenção & controle , Antibioticoprofilaxia , Procedimentos Cirúrgicos Eletivos/métodosRESUMO
BACKGROUND: Ganglioneuromas are histologically benign neoplasms derived from the sympathetic nervous system, whose occurrence in the gastrointestinal tract is rare and often syndromic. According to the injury pattern and extension, lesions are divided into polypoid ganglioneuroma, ganglioneuromatous polyposis, and diffuse ganglioneuromatosis. This work aimed to present the incidental post mortem finding of diffuse ganglioneuromatosis of the gastrointestinal tract in a patient without syndromic involvement. CASE REPORT: We describe the case of a two-year-old female patient with surgically corrected type III tracheoesophageal atresia and fistulous recanalization, multiple episodes of aspiration pneumonia, and septic shock. During the last admission, she developed massive pulmonary hemorrhage and multi-organ failure. Post mortem histopathological study identified hypertrophy of the pylorus and enlarged enteric nerve trunks and plexuses with intermingled mature ganglion cells. We identified ganglioneuromatosis affecting all gastrointestinal tract segments with the predominance of the myenteric plexuses. CONCLUSIONS: Intestinal ganglioneuromatosis is a rare disease with a spectrum of lesions ranging from isolated to syndromic with high morbidity and mortality. Therefore, it is necessary to know the condition, investigate systematically when it is suspected, and rely on genetic studies to confirm or rule out any syndromic association.
INTRODUCCIÓN: Los ganglioneuromas son neoplasias histológicamente benignas derivadas del sistema nervioso simpático, cuya ocurrencia en el tubo digestivo es rara y comúnmente sindromática. De acuerdo con el patrón de la lesión y la extensión se dividen en ganglioneuroma polipoide, poliposis ganglioneuromatosa y ganglioneuromatosis difusa. El objetivo de este trabajo es presentar el hallazgo incidental post mortem de ganglioneuromatosis difusa del tubo digestivo en una paciente sin afectación sindromática. CASO CLÍNICO: Se describe el caso de un paciente de sexo femenino de 2 años con atresia traqueoesofágica tipo III corregida quirúrgicamente que cursó con recanalización fistulosa, múltiples episodios de neumonía por aspiración y choque séptico. Durante el último ingreso cursó con hemorragia pulmonar masiva y falla multiorgánica. En el estudio post mortem se identificó hipertrofia del píloro y de los troncos y plexos nerviosos entéricos con células ganglionares maduras entremezcladas. Se identificó ganglioneuromatosis que afectaba todos los segmentos del tubo digestivo, con predominio de los plexos mientéricos. CONCLUSIONES: La ganglioneuromatosis intestinal es una rara enfermedad que presenta un espectro de lesiones desde una forma aislada hasta sindromática con morbimortalidad elevada. Por ello, es necesario conocer la enfermedad, indagar sistemáticamente cuando se sospeche y apoyarse de estudios genéticos que confirmen o descarten alguna asociación sindromática.
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Ganglioneuroma , Pré-Escolar , Humanos , Recém-Nascido , Ganglioneuroma/diagnóstico , Evolução FatalRESUMO
Resumen Introducción: Los ganglioneuromas son neoplasias histológicamente benignas derivadas del sistema nervioso simpático, cuya ocurrencia en el tubo digestivo es rara y comúnmente sindromática. De acuerdo con el patrón de la lesión y la extensión se dividen en ganglioneuroma polipoide, poliposis ganglioneuromatosa y ganglioneuromatosis difusa. El objetivo de este trabajo es presentar el hallazgo incidental post mortem de ganglioneuromatosis difusa del tubo digestivo en una paciente sin afectación sindromática. Caso clínico: Se describe el caso de un paciente de sexo femenino de 2 años con atresia traqueoesofágica tipo III corregida quirúrgicamente que cursó con recanalización fistulosa, múltiples episodios de neumonía por aspiración y choque séptico. Durante el último ingreso cursó con hemorragia pulmonar masiva y falla multiorgánica. En el estudio post mortem se identificó hipertrofia del píloro y de los troncos y plexos nerviosos entéricos con células ganglionares maduras entremezcladas. Se identificó ganglioneuromatosis que afectaba todos los segmentos del tubo digestivo, con predominio de los plexos mientéricos. Conclusiones: La ganglioneuromatosis intestinal es una rara enfermedad que presenta un espectro de lesiones desde una forma aislada hasta sindromática con morbimortalidad elevada. Por ello, es necesario conocer la enfermedad, indagar sistemáticamente cuando se sospeche y apoyarse de estudios genéticos que confirmen o descarten alguna asociación sindromática.
Abstract Background: Ganglioneuromas are histologically benign neoplasms derived from the sympathetic nervous system, whose occurrence in the gastrointestinal tract is rare and often syndromic. According to the injury pattern and extension, lesions are divided into polypoid ganglioneuroma, ganglioneuromatous polyposis, and diffuse ganglioneuromatosis. This work aimed to present the incidental post mortem finding of diffuse ganglioneuromatosis of the gastrointestinal tract in a patient without syndromic involvement. Case report: We describe the case of a two-year-old female patient with surgically corrected type III tracheoesophageal atresia and fistulous recanalization, multiple episodes of aspiration pneumonia, and septic shock. During the last admission, she developed massive pulmonary hemorrhage and multi-organ failure. Post mortem histopathological study identified hypertrophy of the pylorus and enlarged enteric nerve trunks and plexuses with intermingled mature ganglion cells. We identified ganglioneuromatosis affecting all gastrointestinal tract segments with the predominance of the myenteric plexuses. Conclusions: Intestinal ganglioneuromatosis is a rare disease with a spectrum of lesions ranging from isolated to syndromic with high morbidity and mortality. Therefore, it is necessary to know the condition, investigate systematically when it is suspected, and rely on genetic studies to confirm or rule out any syndromic association.
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In this article, a new efficient and robust approach-the high-resolution microwave imaging system-for early breast cancer diagnosis is presented. The core concept of the proposed approach is to employ a combination of a newly proposed delay-and-sum (DAS) algorithm and the specific absorption rate (SAR) parameter to provide high image quality of breast tumors, along with fast image processing. The new algorithm enhances the tumor response by altering the parameter referring to the distance between the antenna and the tumor in the conventional DAS matrices. This adjustment entails a much clearer reconstructed image with short processing time. To achieve these aims, a high directional Vivaldi antenna is applied around a simulated hemispherical breast model with an embedded tumor. The detection of the tumor is carried out by calculating the maximum value of SAR inside the breast model. Consequently, the antenna position is relocated near the tumor region and is moved to nine positions in a trajectory path, leading to a shorter propagation distance in the image-creation process. At each position, the breast model is illuminated with short pulses of low power waves, and the back-scattered signals are recorded to produce a two-dimensional image of the scanned breast. Several simulations of testing scenarios for reconstruction imaging are investigated. These simulations involve different tumor sizes and materials. The influence of the number of antennas on the reconstructed images is also examined. Compared with the results from the conventional DAS, the proposed technique significantly improves the quality of the reconstructed images, and it detects and localizes the cancer inside the breast with high quality in a fast computing time, employing fewer antennas.
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Lutein and zeaxanthin-xanthophyll carotenoids with antioxidant and anti-inflammatory characteristics-are present in the retina and the brain. High concentrations of these carotenoids have been positively related to cognitive performance. Therefore, this systematic review analyses the relationship between macular pigment density and cognitive functions. Most relevant databases were scoured for studies on healthy people relating cognitive functions to macular pigment optical density (MPOD). There were no age, sex, or race limitations. PROSPERO registration: CRD42021254833. Nineteen studies were included, seven randomized controlled trials (RCT) and eleven observational studies. The general aim of the studies was to examine the association between carotenoids (lutein, mesozeaxanthin and zeaxanthin) and cognitive function. Most observational studies correlates MPOD levels with cognitive function or brain activity. Besides, RCTs compared the cognitive function and/or brain activity after increasing lutein and zeaxanthin intake though dietary supplementation or avocado consumption. Dietary lutein and zeaxanthin intake increased MPOD in six of the seven clinical trials and significantly improved most of the cognitive functions studied. A wide variety of test and methodologies for measuring cognitive functions were observed. Memory, processing speed, attention and reasoning were the cognitive function significantly related to MPOD levels in adults. Brain activity also was related to MPOD, but the results were inconsistent. Only four of the eleven observational studies were based on young people and all studies showed a significant relationship between MPOD and cognitive functions. This systematic review showed a direct relationship among cognitive functions, macular pigment and the intake of lutein and zeaxanthin.
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Pigmento Macular , Adolescente , Adulto , Cognição , Suplementos Nutricionais/análise , Humanos , Luteína/farmacologia , Zeaxantinas/farmacologiaRESUMO
BACKGROUND: This study evaluates the American Thyroid Association (ATA) ultrasound (US) classification system for the initial assessment of thyroid nodules to determine if it indeed facilitates clinical decision-making. AIM: To perform a systematic review and meta-analysis of the diagnostic value of the ATA US classification system for the initial assessment of thyroid nodules. METHODS: In accordance with the PRISMA statement for diagnostic test accuracy, we selected articles that evaluated the 2015 ATA US pattern guidelines using a diagnostic gold standard. We analyzed these cases using traditional diagnostic parameters, as well as the threshold approach to clinical decision-making and decision curve analysis. RESULTS: We reviewed 13 articles with 8445 thyroid nodules, which were classified according to 2015 ATA patterns. Of these, 46.62% were malignant. No cancer was found in any of the ATA benign pattern nodules. The Bayesian analysis post-test probability for cancer in each classification was: (1) Very-low suspicion, 0.85%; (2) Low, 2.6%; (3) Intermediate, 6.7%; and (4) High, 40.9%. The net benefit (NB), expressed as avoided interventions, indicated that the highest capacity to avoid unnecessary fine needle aspiration biopsy (FNAB) in the patterns that we studied was 42, 31, 35, and 43 of every 100 FNABs. The NB calculation for a probability threshold of 11% for each of the ATA suspicion patterns studied is less than that of performing FNAB on all nodules. CONCLUSION: These three types of analysis have shown that only the ATA high-suspicion diagnostic pattern is clinically useful, in which case, FNAB should be performed. However, the curve decision analysis has demonstrated that using the ATA US risk patterns to decide which patients need FNAB does not provide a greater benefit than performing FNAB on all thyroid nodules. Therefore, it is likely that a better way to approach the assessment of thyroid nodules would be to perform FNAB on all non-cystic nodules, as the present analysis has shown the ATA risk patterns do not provide an adequate clinical decision-making framework.
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OBJECTIVE: The objective of this paper is to present a narrative review of the use of triptans in the treatment of trigeminal neuralgia (TN), as well as to outline possible therapeutic mechanisms of action. BACKGROUND: TN is a debilitating neuropathic disorder with a variety of surgical and pharmacological treatments currently available. Despite treatment being heavily individually tailored, some patients remain refractory to management. The use of triptans for the treatment of TN has been commented on in the literature, yet major trials showing their effectiveness are lacking. METHODS: A narrative review of current literature was conducted to identify published original research analyzing the usage of triptans in TN via PubMed and Google Scholar. RESULTS: Limited case reports and studies have been done to analyze the use of triptans for the treatment of TN. Despite the limited results, the studies that have been done show some promise for triptans as an alternative treatment, in particular to those with refractory TN. Given the incapacitating nature of TN, another alternative treatment may be of benefit to those patients and can help reduce its associated morbidity. CONCLUSION: Patients with refractory TN may find relief of symptoms from the use of triptans. Larger clinical trials are needed to help determine which patients would benefit from their use as well as specific dosing. Caution should be given regarding the long-term use of triptans, in particular for the typical patient population with TN.
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Neuralgia do Trigêmeo , Humanos , Resultado do Tratamento , Neuralgia do Trigêmeo/cirurgia , Triptaminas/uso terapêuticoRESUMO
Mechanical thrombectomy (MT) for ischemic stroke due to large vessel occlusion is standard of care. Evidence-based guidelines on eligibility for MT have been outlined and evidence to extend the treatment benefit to more patients, particularly those at the extreme ends of a stroke clinical severity spectrum, is currently awaited. As patient selection continues to be explored, there is growing focus on procedure selection including the tools and techniques of thrombectomy and associated outcomes. Artificial intelligence (AI) has been instrumental in the area of patient selection for MT with a role in diagnosis and delivery of acute stroke care. Machine learning algorithms have been developed to detect cerebral ischemia and early infarct core, presence of large vessel occlusion, and perfusion deficit in acute ischemic stroke. Several available deep learning AI applications provide ready visualization and interpretation of cervical and cerebral arteries. Further enhancement of AI techniques to potentially include automated vessel probe tools in suspected large vessel occlusions is proposed. Value of AI may be extended to assist in procedure selection including both the tools and technique of thrombectomy. Delivering personalized medicine is the wave of the future and tailoring the MT treatment to a stroke patient is in line with this trend.
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Isquemia Encefálica , AVC Isquêmico , Acidente Vascular Cerebral , Inteligência Artificial , Isquemia Encefálica/terapia , Humanos , Medicina de Precisão , Estudos Retrospectivos , Acidente Vascular Cerebral/diagnóstico por imagem , Acidente Vascular Cerebral/cirurgia , Trombectomia/métodos , Resultado do TratamentoRESUMO
Workplace bullying is one of the most relevant social stressors at work. Although previous research has shown its negative consequences for health and well-being, scarce evidence about the short-term consequences of workplace bullying and its crossover effects on the home domain is available. Thus, we conducted a multisource weekly diary study. A sample of 124 employees and their spouses filled a general survey (baseline measures) and a weekly online survey for four consecutive weeks (number of occasions = 992). Multilevel analyses showed that workplace bullying is associated with emotional exhaustion (γ = 0.643, SE = 0.215, t = 2.99, p < .05) and behaviors of social undermining toward the partner (γ = 0.751, SE = 0.187, t = 4.01, p < .01). Furthermore, rumination mediated the relationship between workplace bullying and its potential detrimental consequences for both employees' well-being (i.e., emotional exhaustion) and interpersonal connections (i.e., partner social undermining). These results shed some light on the mechanisms that can explain both the short-term effects of workplace bullying on employees' well-being and how such effects go beyond the work setting and can impact the home domain. The theoretical and practical implications of these findings are discussed.
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Bullying , Estresse Ocupacional , Bullying/psicologia , Emoções , Humanos , Estresse Ocupacional/psicologia , Inquéritos e Questionários , Local de Trabalho/psicologiaRESUMO
The COVID-19 pandemic has had an enormous impact on almost all aspects of human society and endeavor; the natural world and its conservation have not been spared. Through a process of expert consultation, we identified and categorized, into 19 themes and 70 subthemes, the ways in which biodiversity and its conservation have been or could be affected by the pandemic globally. Nearly 60% of the effects have been broadly negative. Subsequently, we created a compendium of all themes and subthemes, each with explanatory text, and in August 2020 a diverse group of experienced conservationists with expertise from across sectors and geographies assessed each subtheme for its likely impact on biodiversity conservation globally. The 9 subthemes ranked highest all have a negative impact. These were, in rank order, governments sidelining the environment during their economic recovery, reduced wildlife-based tourism income, increased habitat destruction, reduced government funding, increased plastic and other solid waste pollution, weakening of nature-friendly regulations and their enforcement, increased illegal harvest of wild animals, reduced philanthropy, and threats to survival of conservation organizations. In combination, these impacts present a worrying future of increased threats to biodiversity conservation but reduced capacity to counter them. The highest ranking positive impact, at 10, was the beneficial impact of wildlife-trade restrictions. More optimistically, among impacts ranked 11-20, 6 were positive and 4 were negative. We hope our assessment will draw attention to the impacts of the pandemic and, thus, improve the conservation community's ability to respond to such threats in the future.
La pandemia de COVID-19 ha tenido un impacto enorme sobre casi todos los aspectos de la sociedad humana y sus proyectos; el mundo natural y su conservación no han sido la excepción. Por medio de un proceso de consultas a expertos, identificamos y categorizamos en 19 temas y 70 subtemas las maneras en las que la biodiversidad y su conservación han sido o podrían ser afectadas mundialmente por la pandemia. Casi el 60% de los efectos han sido claramente negativos. Posteriormente, creamos un compendio de todos los temas y subtemas, cada uno con textos explicativos, para que en agosto de 2020 un grupo diverso de conservacionistas experimentados con conocimiento de todos los sectores y geografías evaluara cada subtema de acuerdo con su probabilidad de impactar sobre la conservación de la biodiversidad en todo el mundo. Los nueve subtemas con la clasificación más alta tienen un impacto negativo. Estos temas son, en orden de clasificación: los gobiernos dejando de lado al ambiente durante su recuperación económica, reducción de los ingresos basados en el turismo de fauna, incremento en la destrucción de hábitat, financiamiento reducido del gobierno, aumento de la contaminación por plásticos y otros desechos sólidos, debilitamiento de las regulaciones en pro de la naturaleza y su aplicación, incremento en la captura ilegal de animales, disminución de la filantropía y amenazas para la supervivencia de las organizaciones de conservación. La combinación de estos impactos representa un futuro preocupante lleno de amenazas para la conservación de la biodiversidad y una capacidad reducida para contrarrestarlas. El impacto positivo con la clasificación más alta, el 10, fue el impacto benéfico de las restricciones en el mercado de fauna. De manera más optimista, entre los impactos clasificados de los lugares del 11 al 20, seis fueron positivos y cuatro fueron negativos. Esperamos que nuestra evaluación enfoque la atención hacia los impactos de la pandemia y así mejore la habilidad de la comunidad conservacionista para responder a tales amenazas en el futuro. Importancia Relativa de los Impactos de la Pandemia de COVID-19 sobre la Conservación Mundial de la Biodiversidad.
Assuntos
COVID-19 , Pandemias , Animais , Biodiversidade , COVID-19/epidemiologia , Conservação dos Recursos Naturais , Humanos , SARS-CoV-2RESUMO
Agricultural expansion into subtropical and tropical forests causes major environmental damage, but its wider social impacts often remain hidden. Forest-dependent smallholders are particularly strongly impacted, as they crucially rely on forest resources, are typically poor, and often lack institutional support. Our goal was to assess forest-smallholder dynamics in relation to expanding commodity agriculture. Using high-resolution satellite images across the entire South American Gran Chaco, a global deforestation hotspot, we digitize individual forest-smallholder homesteads (n = 23,954) and track their dynamics between 1985 and 2015. Using a Bayesian model, we estimate 28,125 homesteads in 1985 and show that forest smallholders occupy much larger forest areas (>45% of all Chaco forests) than commonly appreciated and increasingly come into conflict with expanding commodity agriculture (18% of homesteads disappeared; n = 5,053). Importantly, we demonstrate an increasing ecological marginalization of forest smallholders, including a substantial forest resource base loss in all Chaco countries and an increasing confinement to drier regions (Argentina and Bolivia) and less accessible regions (Bolivia). Our transferable and scalable methodology puts forest smallholders on the map and can help to uncover the land-use conflicts at play in many deforestation frontiers across the globe. Such knowledge is essential to inform policies aimed at sustainable land use and supply chains.