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1.
RSC Adv ; 14(41): 30116-30126, 2024 Sep 18.
Artigo em Inglês | MEDLINE | ID: mdl-39315024

RESUMO

Nitroaromatics impose severe health problems and threats to the environment. Therefore, the detection of such hazardous substances is essential to save the whole ecosystem. Herein, the C5N2 sheet is used as an electrochemical sensor for the detection of 1,3-dinitrobenzene (1,3-DNB), trinitrotoluene (TNT), and picric acid (PA) using the PBE0/def2SVP level of theory as implemented in Gaussian 16. The highest interaction energy was observed for the picric acid@C5N2 complex. The trend in interaction energies for the studied system is PA@C5N2 >TNT@C5N2 >1,3-DNB@C5N2. The studied systems were further analysed by qualitative and quantitative analyses to determine the interactions between the nitroaromatic analytes and the C5N2 sheet. Electronic properties of all analytes@C5N2 complexes have been examined by NBO, EDD, FMO and DOS analysis. QTAIM analysis depicts the stronger non-covalent interactions for the PA@C5N2, which shows consistency with interaction energy and NCI analysis. Furthermore, NBO and FMO analyses show that the C5N2 substrate exhibits high sensitivity and selectivity towards the picric acid compared to TNT and 1,3-DNB nitroaromatics. EDD and DOS analyses are in agreement with NBO and FMO analyses. Furthermore, the recovery time of the studied system has been computed to determine the efficiency of C5N2 material as an electrochemical sensor. Overall, the results show that carbon nitride can be a good sensor for the detection of nitroaromatics.

2.
Medicine (Baltimore) ; 103(38): e39734, 2024 Sep 20.
Artigo em Inglês | MEDLINE | ID: mdl-39312369

RESUMO

BACKGROUND: Low back pain (LBP) is a global musculoskeletal ailment. Over the past few years, dry needling (DN) has garnered interest from both physical therapists and patients. Physical therapy commonly employs spinal manipulation to alleviate persistent LBP and other musculoskeletal disorders. The aim of this study was to investigate the effects of spinal manipulation alone and in combination with DN on functional disability and endurance in individuals suffering from chronic nonspecific LBP. METHODS: Patients of both genders who had chronic nonspecific LBP and who had not received physical therapy within the last 3 months were included in this single-blind, randomized controlled trial using purposive sampling. All participants were randomly assigned to either the experimental (SMT + DN) or control (SMT alone) group using computer-generated random numbers. The data were analyzed using the Statistical Package for Social Sciences (SPSS) version 23.0. For between-group comparisons, the Mann-Whitney U test was used. A P-value < .05 was considered to indicate statistical significance. RESULTS: The analysis of the difference between the 2 groups revealed that the mean ±â€…standard deviation (SD) for the SMT alone group was 16.09 ±â€…3.963 at baseline and 12.66 ±â€…3.801 at 8 weeks, whereas for the DN + ST group, it was 13.67 ±â€…3.904 at baseline and 10.92 ±â€…3.534 at 8 weeks, with a P-value of .003. Thus, the RMDQ score improved gradually in both groups, and the mean endurance score reported for the ST group was 2.5 to 4.5, while that reported for the DN + ST group was 3.1 to 5.1. CONCLUSION: The results of this study showed that both therapies effectively reduced LBP. When comparing the effects of spinal manipulation alone to those of spinal manipulation combined with DN, the latter showed significantly greater benefits.


Assuntos
Agulhamento Seco , Dor Lombar , Manipulação da Coluna , Humanos , Dor Lombar/terapia , Masculino , Feminino , Método Simples-Cego , Manipulação da Coluna/métodos , Adulto , Agulhamento Seco/métodos , Pessoa de Meia-Idade , Avaliação da Deficiência , Dor Crônica/terapia , Resultado do Tratamento , Resistência Física/fisiologia , Terapia Combinada , Medição da Dor
3.
Open Vet J ; 14(8): 1761-1770, 2024 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-39308716

RESUMO

Background: Diabetes is a degenerative disease associated with metabolic disorders. The majority of people have type 2 diabetes mellitus (DM) insulin resistance due to an unhealthy lifestyle. The development of DM treatment is also growing, one of which is using conditioned medium. Aim: This study aims to determine the effect of Bovine umbilical mesenchymal stem cell-conditioned medium (BUMSC-CM) on nicotinamide (NA) and streptozotocin (STZ) induced rats as an animal model of DM. Methods: The study began with the in vitro docking of Cholecalciferol with aldolase reductase and glucokinase. In the in vivo study, animal models were divided into five groups: group A (negative control), group B (diabetic rats), group C (NA+STZ+Metformin), group D (NA+STZ+ BUMSC-CM 0.2 ml/kg BW), and group E (NA+STZ+ BUMSC-CM 0.5 ml/kg BW). Blood sugar levels were checked, and BUMSC-CM was administered by intramuscular injection at four-day intervals for a duration of 16 days. Blood sugar levels were also sampled, and GLUT4 histochemical and immunohistochemical staining was performed. Results: The results showed that Cholecalciferol can bind to aldolase reductase ASP43 and TYR48 and bind to glucokinase at TYR214 with hydrogen bonds. BUMSC-CM administration was able to reduce blood sugar well. In addition, BUMSC-CM also helped repair the tissue structure of the pancreas damaged by inflammation from STZ administration. Conclusion: This study can be concluded that the administration of BUMSC-CM can be an alternative cell-free therapy for patients with DM.


Assuntos
Diabetes Mellitus Experimental , Transportador de Glucose Tipo 4 , Células-Tronco Mesenquimais , Niacinamida , Estreptozocina , Animais , Diabetes Mellitus Experimental/metabolismo , Diabetes Mellitus Experimental/induzido quimicamente , Niacinamida/farmacologia , Niacinamida/administração & dosagem , Ratos , Células-Tronco Mesenquimais/efeitos dos fármacos , Bovinos , Meios de Cultivo Condicionados/farmacologia , Transportador de Glucose Tipo 4/metabolismo , Masculino , Pâncreas/efeitos dos fármacos , Pâncreas/patologia , Ratos Wistar
4.
J Vasc Surg Cases Innov Tech ; 10(6): 101571, 2024 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-39319077

RESUMO

Blunt abdominal aortic injuries, especially in pediatric patients, represents a rare and critical challenge. We report a unique case of a 10-year-old boy who presented after a high-speed motor vehicle collision resulting in injury to the aortic bifurcation, alongside other intra-abdominal trauma. A novel surgical approach for aortoiliac reconstruction in a contaminated field was used. This technique consisted of the mobilization of the distal aorta and common iliac arteries, ligation of right internal iliac artery, and creation of aortoiliac and common to internal iliac artery anastomoses. This method demonstrates a potentially lifesaving technique in select patients.

5.
J Coll Physicians Surg Pak ; 34(9): 1029-1034, 2024 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-39262000

RESUMO

OBJECTIVE: To determine the long-term effects of early postnatal malnutrition and various degrees of catch-up growth on metabolic (serum glucose, leptin, triacylglycerides) and neurodevelopmental parameters (learning and memory) among male and female rodent models, mimicking human preterm infants. STUDY DESIGN: Randomized controlled trial. Place and Duration of the Study: CMH Multan Insitute of Medical Sciences, from September 2021 to December 2021. METHDOLOGY: This study included 142 neonatal Wister rats, stratified into subgroups to mimic the human preterm infant model of postnatal malnutrition and catch-up growth. Metabolic consequences were assessed via serum analysis of glucose, leptin, and triacylglycerides. The neurocognitive comparison was made among subgroups via a passive avoidance test. Gender-specific comparison of all quantitative parameters was made among subgroups. RESULTS: Malnourished rats with accelerated catch-up growth achieved similar weight gain as normally fed rats when provided with adlibitum feeding in both males (p = 0.92) and females (p >0.99). Rats undergoing accelerated catch-up growth exhibited higher fasting serum glucose levels compared to those undergoing no, or normal catch-up growth (p <0.001). Malnourished female rats undergoing accelerated (p = 0.007), or no catchup growth (p = 0.004) exhibited significant deficits in learning and memory as compared to normally fed rats. Female malnourished rats with normal catchup growth exhibited no neurocognitive deficit as compared to normally fed rats (p = 0.08). CONCLUSION: Accelerated catch-up growth effectively addresses somatic growth disparities, while normal catch-up growth offers more favourable metabolic and neurodevelopmental outcomes. Particularly, female malnourished rats exhibited poor neurodevelopment in response to both accelerated and no catch-up growth. Gender-specific variations in neurodevelopment underscore the need for personalised care approaches for preterm nutritional care. KEY WORDS: Growth retardation, Leptin, Extrauterine growth restriction, Malnutrition, Neurodevelopment.


Assuntos
Ratos Wistar , Animais , Ratos , Feminino , Masculino , Animais Recém-Nascidos , Glicemia/metabolismo , Fatores Sexuais , Modelos Animais de Doenças , Leptina/sangue , Desnutrição , Triglicerídeos/sangue
6.
Commun Eng ; 3(1): 124, 2024 Sep 09.
Artigo em Inglês | MEDLINE | ID: mdl-39251826

RESUMO

Linear polarization (LP) and circular polarization (CP) holds paramount importance in Ku, K, and Ka bands for satellite based communication, and remote sensing applications. Satellite based remote sensing applications face challenges like atmospheric attenuation, noise & interference, and signal degradation. Moreover, satellite based communication application demands CP in two distinct, non-adjacent frequency bands with orthogonal polarizations at greater oblique angles, considering the unpredictable incidence angles of electromagnetic (EM) waves. Addressing these challenges, an innovative metasurface polarization converter is proposed to operate efficiently across the Ku-band (13.5-18.0 GHz), K-band (18.0-26.5 GHz), and Ka-band (26.5-38.5 GHz) frequency ranges. The converter achieves left-handed circular polarization (LHCP) in the Ku- and Ka-bands within the frequency ranges of 14.57-15.65 GHz and 27.47-33.85 GHz for y-polarized incident EM waves. Additionally, it provides right-handed circular polarization (RHCP) in the K- and Ka-bands at 17.27-23.92 GHz and 35.87-38.32 GHz for y-polarized incident EM waves. The LP conversion ratio exceeds 95% in the frequency bands of 15.97-16.85 GHz, 24.70-26.65 GHz, and 34.37-35.45 GHz for y-polarized, LHCP, and RHCP incident EM waves, respectively. The metasurface exhibits robust performance up to incidence angles of 45 degrees under oblique conditions. Experimental validation using traditional board-circuit manufacturing demonstrates close agreement between measured co- and cross-polarized reflection coefficients and simulations in the 13.5-18 GHz, and 24-38.5 GHz frequency range. Thin metasurface with a thickness of only 0.64 = 0.013λo mm, the proposed design outperforms existing studies in the literature, establishing its competitive edge in terms of structure and performance.

7.
Heliyon ; 10(17): e36041, 2024 Sep 15.
Artigo em Inglês | MEDLINE | ID: mdl-39281576

RESUMO

Protein solubility prediction is useful for the careful selection of highly effective candidate proteins for drug development. In recombinant proteins synthesis, solubility prediction is valuable for optimizing key protein characteristics, including stability, functionality, and ease of purification. It contains valuable information about potential biomarkers or therapeutic targets and helps in early forecasting of neurodegenerative diseases, cancer, and cardiovascular disorders. Traditional wet-lab experimental protein solubility prediction approaches are error-prone, time-consuming, and costly. Researchers harnessed the competence of Artificial Intelligence approaches for replacing experimental approaches with computational predictors. These predictors inferred the solubility of proteins by analyzing amino acids distributions in raw protein sequences. There is still a lot of room for the development of robust computational predictors because existing predictors remain fail in extracting comprehensive discriminative distribution of amino acids. To more precisely discriminate soluble proteins from insoluble proteins, this paper presents ProSol-Multi predictor that makes use of a novel MLCDE encoder and Random Forest classifier. MLCDE encoder transforms protein sequences into informative statistical vectors by capturing amino acids multi-level correlation and discriminative distribution within raw protein sequences. The performance of proposed encoder is evaluated against 56 existing protein sequence encoding methods on a widely used protein solubility prediction benchmark dataset under two different experimental settings namely intrinsic and extrinsic. Intrinsic evaluation reveals that from all sequence encoders, proposed MLCDE encoder manages to generate non-overlapping clusters of soluble and insoluble classes. In extrinsic evaluation, 10 machine learning classifiers achieve better performance with proposed MLCDE encoder as compared to 56 existing protein sequence encoders. Moreover, across 4 public benchmark datasets, proposed ProSol-Multi predictor outshines 20 existing predictors by an average accuracy of 3%, MCC and AU-ROC of 2%. ProSol-Multi interactive web application is available at https://sds_genetic_analysis.opendfki.de/ProSol-Multi.

8.
Int J Health Sci (Qassim) ; 18(5): 43-58, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-39282125

RESUMO

Objective: The objective of this systematic review was to describe novel regimens and treatment strategies in neoadjuvant therapy for colorectal cancer (CRC). The aim was to summarize the current advancements in neoadjuvant chemotherapy (NACT) for CRC, including the use of cytotoxic drugs, targeted treatments, and immunotherapy. The analysis aimed to provide insights into the potential benefits and drawbacks of these novel approaches and highlight the need for further research to optimize NACT use in CRC and improve patient outcomes. Methods: From October 20, 2023, to December 10, 2023, a comprehensive literature search was conducted across multiple databases, including PubMed, Ovid, Web of Science, the Cochrane Library, Cumulative Index to Nursing and Allied Health Literature, Embase, and Scopus. Studies addressing the use of and treatment strategies for CRC and neoadjuvant therapies were included. Screening was conducted in two steps, initially by title and abstract and then by full-text articles. English-language articles were considered, while preprints, non-English publications, and articles published as grey literature were excluded from the study. A total of 85 studies were selected for further analysis after screening and filtering. Results: After filtering out duplicates and items that were irrelevant to our research query from the initial database search's 510 results, 397 unique articles were found. Eighty-five studies were chosen for additional analysis after the articles underwent two rounds of screening. Conclusion: The review concluded that neoadjuvant therapy for CRC has evolved beyond conventional approaches and holds promise for improving patient outcomes. Future prospects for advancing neoadjuvant approaches are promising, with ongoing clinical trials investigating the refinement of strategies, identification of predictive biomarkers, and optimization of patient selection. The adoption of novel regimens, precision medicine, and immunotherapy offers opportunities to redefine treatment paradigms and enhance patient care in CRC.

10.
Int J Prison Health (2024) ; ahead-of-print(ahead-of-print)2024 Sep 17.
Artigo em Inglês | MEDLINE | ID: mdl-39267228

RESUMO

PURPOSE: COVID-19 is an infectious disease caused by the SARS-CoV-2 virus. Considering the restricted and enclosed nature of prisons and closed environments and the prolonged and close contact between individuals, COVID-19 is more likely to have a higher incidence in these settings. This study aims to assess the prevalence of COVID-19 among prisoners. DESIGN/METHODOLOGY/APPROACH: Papers published in English from 2019 to July 7, 2023, were identified using relevant keywords such as prevalence, COVID-19 and prisoner in the following databases: PubMed/MEDLINE, Scopus and Google Scholar. For the meta-analysis of the prevalence, Cochrane's Q statistics were calculated. A random effect model was used due to the heterogeneity in COVID-19 prevalence across included studies in the meta-analysis. All analyses were performed in STATA-13. FINDINGS: The pooled data presented a COVID-19 prevalence of 20% [95%CI: 0.13, 0.26] and 24% [95%CI: 0.07, 0.41], respectively, in studies that used PCR and antibody tests. Furthermore, two study designs, cross-sectional and cohort, were used. The results of the meta-analysis showed studies with cross-sectional and cohort designs reported 20% [95%CI: 0.11, 0.29] and 25% [95%CI: 0.13, 0.38], respectively. ORIGINALITY/VALUE: Through more meticulous planning, it is feasible to reduce the number of individuals in prison cells, thereby preventing the further spread of COVID-19.


Assuntos
COVID-19 , Prisioneiros , Prisões , COVID-19/epidemiologia , Humanos , Prevalência , Prisões/estatística & dados numéricos , Prisioneiros/estatística & dados numéricos , SARS-CoV-2
11.
Cureus ; 16(8): e66318, 2024 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-39238678

RESUMO

OBJECTIVE: This study aimed to investigate perineal wound healing rates following abdominoperineal resection (APR) or extralevator abdominoperineal excision (ELAPE) for rectal cancer, with a focus on identifying associated risk factors and outcomes. METHODOLOGY: A retrospective analysis was conducted on patients undergoing APR or ELAPE for rectal cancer in a tertiary centre between 2013 and 2020. Data on demographics, comorbidities, surgical techniques, and perineal wound outcomes were collected and analyzed using Statistical Package for the Social Sciences (IBM SPSS Statistics for Windows, IBM Corp., Version 27.0, Armonk, NY). Statistical significance was set at p<0.05. RESULTS: A total of 87 patients were included, with a mean age of 64 years and the majority being male (66.7%). Neoadjuvant radiotherapy was administered in 87.4% of cases. Perineal wound complications were documented in 52 cases (59.8%), with major complications observed in 11 cases (12.6%). Healing within six months was achieved in 48 patients (55.2%), while 39 patients (44.8%) developed chronic perineal wounds. Logistic regression analysis revealed omentoplasty as a significant predictor of perineal wound healing rate showing a significant negative association (p=0.0289). CONCLUSION: Perineal wound healing rates following APR or ELAPE varied. While most patients achieved complete healing, chronic perineal wounds presented challenges. Omentoplasty was associated with lower odds of healing, suggesting the need for further investigation into its role. These findings underscore the importance of patient counselling and multidisciplinary management strategies to optimize outcomes in rectal cancer surgery.

12.
Vet Res Commun ; 2024 Sep 04.
Artigo em Inglês | MEDLINE | ID: mdl-39230771

RESUMO

Brucellosis infects humans and animals worldwide but is particularly prevalent in Asia. In many Asian countries, molecular diagnostic tools for accurate molecular diagnostics and molecular epidemiology are lacking. Nonetheless, some countries have conducted in-depth molecular epidemiological studies. The objective of this study was to reveal the genetic relationships, geographic origins, and distributions of Brucella strains across Asia for two primary species, B. abortus and B. melitensis. For this, we systematically searched genotyping data from published studies on the molecular epidemiology of Brucella species for both humans and livestock in Asia. We used data from multilocus sequence typing (MLST), multiple-locus variable-number tandem repeat analysis (MLVA), and whole genome sequencing analysis of Brucella strains. We also analyzed the MLVA genotypes of 129 B. abortus isolates and 242 B. melitensis isolates with known origins in Asia from an online MLVA database using MLVA-11 data in minimum spanning trees and MLVA-16 data in neighbor-joining trees. We found that the B. melitensis East Mediterranean lineage is predominant across the continent, with only a small number of samples from the Africa and Americas lineages, and none from the West Mediterranean lineage. The "abortus C" genotype was the most common group of B. abortus in Asia, with limited genetic variation for this species. Several studies also reported that Near Eastern countries frequently encounter human brucellosis cases of B. abortus from genotypes 42 and 43. Our study highlights the inconsistent collection of genetic data for Brucella species across Asia and a need for more extensive sampling in most countries. Finally, a consistent nomenclature is necessary to define various groupings of strains within a lineage (i.e., clade) so uniform terminology should denote particular genetic groups that are understood by all researchers.

13.
Acta Orthop Traumatol Turc ; 58(2): 124-129, 2024 Apr 29.
Artigo em Inglês | MEDLINE | ID: mdl-39162637

RESUMO

This study aimed to present a retrospective case series of the long-term results of severe hallux valgus treated with triple osteotomy of the first ray. Patients with severe hallux valgus treated with a basal medial opening wedge, distal chevron, and Akin osteotomy from 2008 to 2012 were identified from the electronic medical records. Radiological outcomes such as pre- and postoperative hallux valgus angle, intermetatarsal angle, and distal metatarsal articular angle) were collected. Patients were contacted to complete foot and ankle outcome score (FAOS). Nineteen patients underwent 20 triple osteotomies of the first ray. Clinical data and FAOS were collected at a median follow-up of 10.2 years. There was a significant improvement in hallux valgus angle, intermetatarsal angle, and distal metatarsal articular angle from pre- to postoperatively, both at initial and final radiographic follow-up (P < .0001). Patient satisfaction was high, with median FAOS of 94.5 (symptoms), 97 (function/activities of daily living), 100 (function/sport and recreation), 85 (foot and ankle-related quality of life), and 100 (pain). Triple first-ray osteotomy is a successful mode of treatment for severe hallux valgus, with high levels of patient satisfaction and excellent improvement in radiological parameters measured over long-term follow-up.


Assuntos
Hallux Valgus , Ossos do Metatarso , Osteotomia , Satisfação do Paciente , Radiografia , Humanos , Hallux Valgus/cirurgia , Hallux Valgus/diagnóstico por imagem , Osteotomia/métodos , Masculino , Estudos Retrospectivos , Feminino , Pessoa de Meia-Idade , Seguimentos , Resultado do Tratamento , Radiografia/métodos , Adulto , Ossos do Metatarso/cirurgia , Idoso , Qualidade de Vida , Índice de Gravidade de Doença , Atividades Cotidianas
14.
Proc (Bayl Univ Med Cent) ; 37(5): 769-773, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-39165822

RESUMO

Background: Statin therapy is widely utilized for preventing atherosclerotic cardiovascular disease, both as a primary and secondary measure. Despite the American Association for the Study of Liver Diseases' endorsement of statin use in cirrhotic patients, practitioners exhibit hesitancy, primarily due to concerns regarding hepatotoxicity. This study aimed to evaluate statin prescription patterns in cirrhotic patients by primary care physicians (PCPs) and cardiologists through a survey. Methods: A voluntary survey via Survey Monkey with nine objective-type questions was sent to 220 PCPs and 75 cardiologists within Allegheny Health Network. Survey results were collected, and a chi square test was used to compare the two groups. A P value ≤ 0.05 was considered statistically significant. Results: A total of 64 PCPs (29.1%) and 15 cardiologists (20%) completed the survey. Overall, 12.6% did not prescribe statins for primary prevention of atherosclerotic cardiovascular disease in compensated cirrhotic patients. While all cardiologists prescribed statins for secondary prevention, over 50% preferred lower-intensity options. Conversely, 14.1% of PCPs avoided statin prescriptions for secondary prevention. Cardiologists were significantly more inclined to prescribe statins, especially for cirrhosis due to metabolic dysfunction-associated steatotic liver disease compared to PCPs (73.3% vs 45.3%, P = 0.05). Conclusions: Despite increasing evidence favoring use of statins in cirrhosis for improving portal hemodynamics and decreasing ascites, hepatic encephalopathy, the incidence of hepatocellular carcinoma, and mortality, there is still hesitation on the part of prescribers for the fear of worsening liver disease. Wider dissemination of current guidelines and education practices may help to bridge this gap.

16.
Front Robot AI ; 11: 1387491, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-39184863

RESUMO

Colonoscopy is a reliable diagnostic method to detect colorectal polyps early on and prevent colorectal cancer. The current examination techniques face a significant challenge of high missed rates, resulting in numerous undetected polyps and irregularities. Automated and real-time segmentation methods can help endoscopists to segment the shape and location of polyps from colonoscopy images in order to facilitate clinician's timely diagnosis and interventions. Different parameters like shapes, small sizes of polyps, and their close resemblance to surrounding tissues make this task challenging. Furthermore, high-definition image quality and reliance on the operator make real-time and accurate endoscopic image segmentation more challenging. Deep learning models utilized for segmenting polyps, designed to capture diverse patterns, are becoming progressively complex. This complexity poses challenges for real-time medical operations. In clinical settings, utilizing automated methods requires the development of accurate, lightweight models with minimal latency, ensuring seamless integration with endoscopic hardware devices. To address these challenges, in this study a novel lightweight and more generalized Enhanced Nanonet model, an improved version of Nanonet using NanonetB for real-time and precise colonoscopy image segmentation, is proposed. The proposed model enhances the performance of Nanonet using Nanonet B on the overall prediction scheme by applying data augmentation, Conditional Random Field (CRF), and Test-Time Augmentation (TTA). Six publicly available datasets are utilized to perform thorough evaluations, assess generalizability, and validate the improvements: Kvasir-SEG, Endotect Challenge 2020, Kvasir-instrument, CVC-ClinicDB, CVC-ColonDB, and CVC-300. Through extensive experimentation, using the Kvasir-SEG dataset, our model achieves a mIoU score of 0.8188 and a Dice coefficient of 0.8060 with only 132,049 parameters and employing minimal computational resources. A thorough cross-dataset evaluation was performed to assess the generalization capability of the proposed Enhanced Nanonet model across various publicly available polyp datasets for potential real-world applications. The result of this study shows that using CRF (Conditional Random Fields) and TTA (Test-Time Augmentation) enhances performance within the same dataset and also across diverse datasets with a model size of just 132,049 parameters. Also, the proposed method indicates improved results in detecting smaller and sessile polyps (flats) that are significant contributors to the high miss rates.

17.
Ther Adv Endocrinol Metab ; 15: 20420188241269133, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-39170849

RESUMO

Objective: Intermittently scanned continuous glucose monitoring (isCGM) has revolutionised the care of people with diabetes but its uptake and benefits in older adults are not well known. We examined the impact of isCGM (Freestyle Libre, FSL) on glycaemic outcomes in younger (⩽65 years) and older adults (>65 years) with diabetes. Design and methods: In total, 2260 adult patients registered on the Libreview account at University Hospitals Birmingham NHS Foundation Trust, UK, were included. Inclusion criteria: all patients with type 1 and type 2 diabetes aged >18 years, use of isCGM >6 months, scanning at least 6 times/day. Demographics, diabetes history and glycaemic outcomes (time in range (TIR), time above range and time below range (TBR), estimated HbA1c, HbA1c at start and at end of study) were collected by accessing electronic patient records and Libreview. Outcomes were compared between age groups ⩽65 or >65 years old. Results: Most patients were of Caucasian ethnicity (⩽65 years 68%, >65 years 73%) and had type 1 diabetes. Mean duration of diabetes was 19.5 years (range 0-65 years) and 34.5 years (range 0-79 years) for ⩽65 and >65 years, respectively. Only a quarter of those ⩽65 years achieved (219/943; 23.2%) their age specific TIR target compared to 69% (78/113) of those >65 years cohort, while 70.1% (663/946) of ⩽65 years and 40.7% (46/113) of >65 years achieved their age-specific TBR target. When the less strict ⩽65 years TBR target was applied, 75% (85/113) of >65 years cohort achieved this. Conclusion: FSL use was associated with improved glycaemic outcomes across all age groups. Individualised targets may be needed to improve TBR in those aged >65 years.

18.
Sci Rep ; 14(1): 19437, 2024 08 21.
Artigo em Inglês | MEDLINE | ID: mdl-39169199

RESUMO

With the anticipated foliar application of nanoparticles (NPs) as a potential strategy to improve crop production and ameliorate heavy metal toxicity, it is crucial to evaluate the role of NPs in improving the nutrient content of plants under Lead (Pb) stress for achieving higher agriculture productivity to ensure food security. Herein, Brassica napus L. grown under Pb contaminated soil (300 mg/kg) was sprayed with different rates (0, 25, 50, and 100 mg/L) of TiO2 and ZnO-NPs. The plants were evaluated for growth attributes, photosynthetic pigments, leaf exchange attributes, oxidant and antioxidant enzyme activities. The results revealed that 100 mg/L NPs foliar application significantly augmented plant growth, photosynthetic pigments, and leaf gas exchange attributes. Furthermore, 100 mg/L TiO2 and ZnO-NPs application showed a maximum increase in SPAD values (79.1%, 68.9%). NPs foliar application (100 mg/L TiO2 and ZnO-NPs) also substantially reduced malondialdehyde (44.3%, 38.3%), hydrogen peroxide (59.9%, 53.1%), electrolyte leakage (74.8%, 68.3%), and increased peroxidase (93.8%, 89.1%), catalase (91.3%, 84.1%), superoxide dismutase (81.8%, 73.5%) and ascorbate peroxidase (78.5%, 73.7%) thereby reducing Pb accumulation. NPs foliar application (100 mg/L) significantly reduced root Pb (45.7%, 42.3%) and shoot Pb (84.1%, 76.7%) concentration in TiO2 and ZnO-NPs respectively, as compared to control. Importantly, macro and micronutrient analysis showed that foliar application 100 mg/L TiO2 and ZnO-NPs increased shoot zinc (58.4%, 78.7%) iron (79.3%, 89.9%), manganese (62.8%, 68.6%), magnesium (72.1%, 93.7%), calcium (58.2%, 69.9%) and potassium (81.5%, 68.6%) when compared to control without NPs. The same trend was observed for root nutrient concentration. In conclusion, we found that the TiO2 and ZnO-NPs have the greatest efficiency at 100 mg/L concentration to alleviate Pb induced toxicity on growth, photosynthesis, and nutrient content of Brassica napus L. NPs foliar application is a promising strategy to ensure sustainable agriculture and food safety under metal contamination.


Assuntos
Antioxidantes , Brassica napus , Chumbo , Fotossíntese , Folhas de Planta , Titânio , Óxido de Zinco , Brassica napus/efeitos dos fármacos , Brassica napus/crescimento & desenvolvimento , Brassica napus/metabolismo , Chumbo/metabolismo , Chumbo/toxicidade , Fotossíntese/efeitos dos fármacos , Óxido de Zinco/farmacologia , Antioxidantes/metabolismo , Folhas de Planta/metabolismo , Folhas de Planta/efeitos dos fármacos , Nutrientes/metabolismo , Nanopartículas Metálicas/química , Nanopartículas , Poluentes do Solo/metabolismo , Poluentes do Solo/toxicidade
19.
PLoS One ; 19(8): e0307559, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-39137201

RESUMO

This study aims to develop a nonparametric mixed exponentially weighted moving average-moving average (NPEWMA-MA) sign control chart for monitoring shifts in process location, particularly when the distribution of a critical quality characteristic is either unknown or non-normal. In literature, the variance expression of the mixed exponentially weighted moving average-moving average (EWMA-MA) statistic is calculated by allowing sequential moving averages to be independent, and thus the exclusion of covariance terms results in an inaccurate variance expression. Furthermore, the effectiveness of the EWMA-MA control chart deteriorates when the distribution of a critical quality characteristic deviates from normality. The proposed NPEWMA-MA sign control chart addresses these by utilizing the corrected variance of the EWMA-MA statistic and incorporating the nonparametric sign test into the EWMA-MA charting structure. The chart integrates the moving average (MA) statistic into the exponentially weighted moving average (EWMA) statistic. The EWMA-MA charting statistic assigns more weight to recent w samples, with weights for previous observations decling exponentially. Monte Carlo simulations assess the chart's performance using various run length (RL) characteristics such as average run length (ARL), standard deviation of run length (SDRL), and median run length (MRL). Additional measures for overall performance include the average extra quadratic loss (AEQL) and relative mean index (RMI). The proposed NPEWMA-MA sign control chart demonstrates superior performance compared to existing nonparametric control charts across different symmetrical and asymmetric distributions. It efficiently detects process shifts, as validated through both a simulated study and a real-life example from a combined cycle power plant.


Assuntos
Método de Monte Carlo , Gases , Modelos Estatísticos , Estatísticas não Paramétricas , Simulação por Computador , Algoritmos
20.
J Clin Sleep Med ; 2024 Aug 16.
Artigo em Inglês | MEDLINE | ID: mdl-39150702

RESUMO

A 78-year-old man with history of chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids (CLIPPERS) syndrome, moderate persistent asthma, pansinusitis, and upper airway cough syndrome presented to the sleep medicine clinic for evaluation of sleep-disordered breathing. Brain MR imaging showed lesions in the pons and midbrain. Diagnostic polysomnography was remarkable for central sleep apnea.

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