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1.
BMC Plant Biol ; 24(1): 368, 2024 May 07.
Artigo em Inglês | MEDLINE | ID: mdl-38711001

RESUMO

Chilli peppers are widely consumed for their pungency, as used in flavoring the food and has many pharmaceutical and medicinal properties. Based on these properties an experiment was held using 83 varieties of chilli (Hot pepper and sweet pepper) were grown in suitable environment using Augment Block design and evaluated for fruit pungency and phytochemical contents using high proficiency liquid chromatography. Analysis of variance (ANOVA) of traits showed highly significant for all traits except for fruit length and capsaicin contents. The value of Least significant increase (LSI)was ranged 0.27-1289.9 for all traits showed high variation among varieties. Highly significant correlation was found among fruit diameter to fruit weight 0.98, while moderate to high correlation was present among all traits. The most pungent genotype 24,634 was 4.8 g in weight, while the least pungent genotypes i.e. PPE-311 (32.8 g), green wonder (40.67) had higher in weight. The genotypes 24,627, 32,344, 32,368 and 1108 marked as higher number of seeds in their placental region. It was observed that chilli genotype 24,621 had maximum length with considerable high amount of pungency act as novel cultivar. Principal component analysis (PCA) showed the high variability of 46.97 for two PCs with the eigen value 2.6 and 1.63 was recorded. Biplot analysis showed a considerable variability for fruit pungency, while huge variability was found for all traits among given varieties. PPE-311, T5 and T3 are found as highly divergent for all traits. The findings of this study are instrumental for selecting parents to improve desirable traits in future chilli pepper breeding programs. It will help plant/vegetable breeders for development of highly nutrient and pungent varieties and attractive for the consumer of food sector.


Assuntos
Capsicum , Frutas , Variação Genética , Compostos Fitoquímicos , Frutas/genética , Frutas/química , Cromatografia Líquida de Alta Pressão , Capsicum/genética , Capsicum/química , Genótipo , Sementes/genética , Sementes/química
2.
Semin Thromb Hemost ; 2024 Sep 30.
Artigo em Inglês | MEDLINE | ID: mdl-39348850

RESUMO

Long coronavirus disease 2019 (COVID-19)-a postacute consequence of severe acute respiratory syndrome coronavirus 2 infection-manifests with a broad spectrum of relapsing and remitting or persistent symptoms as well as varied levels of organ damage, which may be asymptomatic or present as acute events such as heart attacks or strokes and recurrent infections, hinting at complex underlying pathogenic mechanisms. Central to these symptoms is vascular dysfunction rooted in thrombotic endothelialitis. We review the scientific evidence that widespread endothelial dysfunction (ED) leads to chronic symptomatology. We briefly examine the molecular pathways contributing to endothelial pathology and provide a detailed analysis of how these cellular processes underpin the clinical picture. Noninvasive diagnostic techniques, such as flow-mediated dilation and peripheral arterial tonometry, are evaluated for their utility in identifying ED. We then explore mechanistic, cellular-targeted therapeutic interventions for their potential in treating ED. Overall, we emphasize the critical role of cellular health in managing Long COVID and highlight the need for early intervention to prevent long-term vascular and cellular dysfunction.

3.
Crit Rev Food Sci Nutr ; : 1-25, 2023 Mar 30.
Artigo em Inglês | MEDLINE | ID: mdl-36995267

RESUMO

Re-assembled casein micelles (rCMs), were formulated in the 1970s as a model system to understand native casein micelles (nCMs) in milk. These early works allowed an understanding of the critical factors involved in the formation of rCMs, such as minerals (citrate, phosphate, and calcium), casein type (αs-, ß-, and κ-casein) and the extent of their phosphorylation. rCMs were also used to understand the effect of treatments such as ethanol, high hydrostatic pressure and heating on the stability and integrity of the micelles. More recently, the applications of rCMs have been investigated, these include their use as a nanocarrier of bioactive molecules and as electrode-bound substrates to monitor chymosin activity by electrochemistry, to cite a few. Moreover, the potential to use rCMs in both food and non-food applications remains to be fully exploited. The advantage of choosing rCMs over nCMs as an encapsulant and a lucrative food ingredient is due to their more efficient preparation and being free from impurities. In this review, we report on the formulation of rCMs, their physico-chemical properties and their behavior under different physico-chemical treatments, along with the applications and challenges of rCMs in food systems and their industrial production as a dairy ingredient.

4.
Surg Innov ; 28(5): 567-572, 2021 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-33228482

RESUMO

Background. The role of preoperative biliary stenting (PBS) before pancreaticoduodenectomy (PD) in patients with obstructive jaundice is debatable. The objective of the current study was to assess PD outcomes after upfront surgery or PBS and determine the impact of stent to surgery duration on PD outcomes. Methods. We reviewed patients who underwent PD between 2011 and 2019. Patients were grouped based on whether they underwent upfront surgery (n = 67) or PBS (n = 66). We further assessed outcomes based on stent to surgery duration. Results. There was no significant difference in 30-day mortality (3% vs. 2.9%, P = 1), 90-day mortality (7.5% vs. 4.4%, P = .4), and Grade B-C pancreatic fistula rates (7.5% vs. 4.4%, P = .4) in the PBS and upfront surgery groups, respectively. A significant increase in wound infections (22.7% vs. 7.4%, P = .01) and readmissions (10.6% vs. 0, P = .006) was seen in the PBS group. The highest rate of wound infection was seen when stent to surgery duration was 4-6 weeks (41.6%). The wound infection rates in the upfront surgery group, high-risk PBS group (4-6 weeks), and low-risk PBS group were 5/67(7.4%), 5/12(41.6%), and 7/36(19.4%), respectively (P = .008). Conclusions. PBS increases postoperative wound infections when compared with upfront surgery. Patients operated between 4 and 6 weeks after stenting have the highest rate of wound infection.


Assuntos
Procedimentos Cirúrgicos do Sistema Biliar , Neoplasias Pancreáticas , Drenagem , Humanos , Pancreatectomia , Fístula Pancreática , Neoplasias Pancreáticas/complicações , Neoplasias Pancreáticas/cirurgia , Pancreaticoduodenectomia/efeitos adversos , Complicações Pós-Operatórias/epidemiologia , Cuidados Pré-Operatórios , Estudos Retrospectivos , Stents/efeitos adversos
5.
Chron Respir Dis ; 16: 1479972318767719, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-29621888

RESUMO

Asthma is the most common chronic medical condition affecting pregnancy. Optimizing asthma management in pregnancy is paramount for the well-being of both the mother and the baby. The primary objectives of this study were to assess patient's knowledge about asthma, the level of asthma care, and fetal and maternal outcomes among pregnant asthmatic women in this wealthy country with tremendous improvement in maternal and fetal health care. The secondary objective was to identify barriers to asthma control. This was a cross-sectional, face-to-face, prospective study of 80 pregnant women with physician-diagnosed asthma. About 56% of patients reported worsening of their asthma control during pregnancy, of which 52.3% felt this worsening in the third trimester. About 65% of patients had uncontrolled asthma during their pregnancy, and inhaler technique was incorrect in 64.4%. Only 38% of patients knew the difference between controller and reliever asthma medications, 12.7% of patients had received written asthma action plan, 17% had a spirometry done in the previous 5 years, and 3.8% had peak expiratory flow meter at home. The main reasons for uncontrolled asthma were lack of knowledge about right asthma medications in 30% and fear of side effects of inhaled corticosteroids in 19% of patients. No financial reason was reported. Significant associations between total number of pregnancies, poor perception of asthma medications, asthma exacerbation during delivery and poor asthma control were observed. Preeclampsia and congenital anomalies occurred at higher rates than previously reported among general population in this country. The tremendous improvements in maternal health care and socioeconomic status do not seem to be a barrier to the globally recognized poor asthma care in pregnancy. Important strategies are much needed.


Assuntos
Antiasmáticos/uso terapêutico , Asma/tratamento farmacológico , Países Desenvolvidos , Conhecimentos, Atitudes e Prática em Saúde , Complicações na Gravidez/epidemiologia , Corticosteroides/efeitos adversos , Adulto , Antiasmáticos/efeitos adversos , Asma/fisiopatologia , Asma/psicologia , Estudos Transversais , Progressão da Doença , Feminino , Humanos , Incidência , Tempo de Internação/estatística & dados numéricos , Inaladores Dosimetrados , Planejamento de Assistência ao Paciente/estatística & dados numéricos , Gravidez , Trimestres da Gravidez/fisiologia , Estudos Prospectivos , Catar/epidemiologia , Espirometria/estatística & dados numéricos
6.
Dig Endosc ; 28(4): 394-404, 2016 May.
Artigo em Inglês | MEDLINE | ID: mdl-26636754

RESUMO

BACKGROUND AND AIM: Endoscopic biliary sphincterotomy (ES) is often carried out prior to placement of a biliary stent apparently to reduce the risk of post-endoscopic retrograde cholangiopancreatography (ERCP) pancreatitis (PEP). However, the protective effect of ES prior to biliary stenting is controversial. The objective of this meta-analysis is to compare the risk of PEP and other complications after the placement of biliary stent with or without ES in patients with biliary obstruction and bile leak. METHODS: We carried out a systematic search in several electronic databases for randomized controlled trials (RCT) and observational studies (OS) comparing the risk of PEP after biliary stenting with or without ES. The Mantel-Haenszel method was used to pool data of adverse outcomes into fixed or random effect model meta-analyses. RESULTS: Seventeen studies (five RCT and 12 OS) with a total of 2710 patients met the inclusion criteria. No significant difference was observed in the risk of PEP with biliary stenting with and without ES (RD -0.01; 95% confidence interval [CI] -0.03, 0.01). In a subgroup analysis of stenting for biliary obstruction, no difference in the risk of PEP was observed with or without ES. However, ES was associated with lower risk of PEP in patients undergoing biliary stenting for bile leak (RD -0.05; CI -0.10, -0.01). CONCLUSIONS: ES shows risk reduction in prevention of PEP in patients undergoing endoscopic stenting for bile leak. However, placement of biliary stent without ES is not associated with an increased risk of PEP in patients with distal bile duct obstruction with involvement of pancreatic duct.


Assuntos
Colangiopancreatografia Retrógrada Endoscópica/efeitos adversos , Pancreatite/prevenção & controle , Esfincterotomia , Stents , Humanos , Ductos Pancreáticos , Pancreatite/etiologia , Esfinterotomia Endoscópica
7.
BJU Int ; 116(3): 443-9, 2015 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-25523401

RESUMO

OBJECTIVE: To evaluate the patient experience of our dedicated botulinum toxin A (BTX-A) service using a validated patient-reported experience measure (PREM) and assess patient-reported satisfaction with treatment. MATERIALS AND METHODS: The first 100 patients who underwent BTX-A treatment for refractory idiopathic detrusor overactivity (IDO) in our institution were contacted for telephone interview. They had all been assessed, injected and followed up in a dedicated BTX-A clinic. Patients were asked to complete a validated PREM - the Client Satisfaction Questionnaire (CSQ-8) - as well as a questionnaire developed in our department to assess satisfaction with the results of the treatment. Most patients received 200 U OnabotulinumtoxinA (Botox(®) ) via an outpatient local anaesthetic flexible cystoscopy technique. RESULTS: Complete data was available for 72 patients. In all, 49 patients were continuing to receive BTX-A treatment while 23 had opted for no further injections. The overall mean (sd) CSQ-8 satisfaction score was 38.3 (3.3), indicating a high level of patient satisfaction with the service offered in our institution. There was a significant difference in total satisfaction scores between those still receiving BTX-A (mean score 29.8) and those who have discontinued treatment (mean score 25.1) (P < 0.01). Overall patient satisfaction with the result of the treatment was high with an overall mean (sd) score of 8.6 (2.0) on a visual analogue scale. Of those who had discontinued BTX-A, most were either using conservative measures only (44%) or had recommenced anticholinergic medications. CONCLUSION: Overall patient satisfaction with the dedicated BTX-A service offered in our institution is high and can result in a positive patient experience. The use of PREMs are advocated in order to fully capture the patient's views of the quality of services and treatments they receive.


Assuntos
Toxinas Botulínicas Tipo A/uso terapêutico , Fármacos Neuromusculares/uso terapêutico , Satisfação do Paciente/estatística & dados numéricos , Bexiga Urinária Hiperativa/tratamento farmacológico , Adulto , Idoso , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Inquéritos e Questionários , Bexiga Urinária Hiperativa/epidemiologia , Adulto Jovem
9.
BJU Int ; 113(5): 783-8, 2014 May.
Artigo em Inglês | MEDLINE | ID: mdl-24131479

RESUMO

OBJECTIVE: To validate the Bladder Control Self-Assessment Questionnaire (B-SAQ), a short screener to assess lower urinary tract symptoms (LUTS) and overactive bladder (OAB) in men. PATIENTS AND METHODS: This was a prospective, single-centre study including 211 patients in a urology outpatient setting. All patients completed the B-SAQ and Kings Health Questionnaire (KHQ) before consultation, and the consulting urologist made an independent assessment of LUTS and the need for treatment. The psychometric properties of the B-SAQ were analysed. RESULTS: A total of 98% of respondents completed all items correctly in <5 min. The mean B-SAQ scores were 12 and 3.3, respectively for cases (n = 101) and controls (n = 108) (P < 0.001). Good correlation was evident between the B-SAQ and the KHQ. The agreement percentages between the individual B-SAQ items and the KHQ symptom severity scale were 86, 85, 84 and 79% for frequency, urgency, nocturia and urinary incontinence, respectively. Using a B-SAQ symptom score threshold of ≥4 alone had sensitivity, specificity and positive predictive values for detecting LUTS of 75, 86 and 84%, respectively, with an area under the curve of 0.88; however, in combination with a bother score threshold of ≥1 these values changed to 92, 46 and 86%, respectively. CONCLUSIONS: The B-SAQ is an easy and quick valid case-finding tool for LUTS/OAB in men, but appears to be less specific in men than in women. The B-SAQ has the potential to raise awareness of LUTS. Further validation in a community setting is required.


Assuntos
Qualidade de Vida , Autoavaliação (Psicologia) , Bexiga Urinária/fisiopatologia , Incontinência Urinária/diagnóstico , Micção/fisiologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Reprodutibilidade dos Testes , Índice de Gravidade de Doença , Inquéritos e Questionários , Incontinência Urinária/fisiopatologia , Adulto Jovem
10.
Brain Inj ; 28(3): 336-40, 2014.
Artigo em Inglês | MEDLINE | ID: mdl-24377492

RESUMO

OBJECTIVES: To measure the incidence of agitation after traumatic brain injury (TBI) in an inpatient population and to identify any features associated with an adverse outcome. DESIGN: Prospective study of TBI admissions over 30 months in consecutive admissions with TBI to a regional neurorehabilitation unit. Outcome of agitation was compared to patient, injury and treatment features and any associations were sought. The presence of agitation was measured by the Agitation Behaviour Score. A good outcome for agitation was defined as a return to independent living with minimal care requirement at 6 months using an Extended Glasgow Outcome Scale (GOSE) score >4. RESULTS: Over 30 months, there were 146 TBI admissions, of whom 53 cases had agitation (36.3%). Achieving 100% follow-up, 27 (51%) had a good outcome. On a multivariable logistic regression analysis, a good outcome was associated with the type of lesions seen on CT scan, the severity of agitation and the duration of the behaviour. Alcohol excess and type of treatment used for the behaviour were initially significant on univariate testing but dropped out of the logistic regression model. CONCLUSIONS: Over a third of TBI admissions, developed agitation and poor functional outcome was associated with CT scan findings, severity and duration of agitation.


Assuntos
Atividades Cotidianas/psicologia , Agressão/psicologia , Lesões Encefálicas/psicologia , Agitação Psicomotora/psicologia , Adulto , Alcoolismo/epidemiologia , Lesões Encefálicas/complicações , Lesões Encefálicas/epidemiologia , Lesões Encefálicas/fisiopatologia , Feminino , Escala de Resultado de Glasgow , Humanos , Incidência , Escala de Gravidade do Ferimento , Masculino , Pessoa de Meia-Idade , Prognóstico , Estudos Prospectivos , Agitação Psicomotora/epidemiologia , Agitação Psicomotora/etiologia , Agitação Psicomotora/fisiopatologia , Tomografia Computadorizada por Raios X
11.
J Pak Med Assoc ; 64(2): 217-9, 2014 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-24640819

RESUMO

Congenital Thrombotic Thrombocytopenic Purpura (TTP) is a rare disease with diverse presentation that can also mimic Idiopathic Thrombocytopenic Purpura (ITP) and be misdiagnosed. After confirming diagnosis with ADAMTS13, it can simply be treated with FFP transfusion and complications can be prevented. We describe an eight year old girl previously managed as ITP and referred to Children Cancer Hospital for opinion. History, clinical examination and laboratory findings were not consistent with ITP. History of neonatal jaundice, microangiopathic haemolytic anaemia and thrombocytopenia favoured congenital TTP. Low ADAMTS13 level and improvement in platelet counts after FFP transfusion confirmed the diagnosis of congenital TTP. So cases with atypical presentation of ITP should be properly investigated to make correct diagnosis and avoid unnecessary exposure to drugs and their complications.


Assuntos
Proteínas ADAM/sangue , Transfusão de Sangue/métodos , Púrpura Trombocitopênica Trombótica/diagnóstico , Proteína ADAMTS13 , Criança , Feminino , Humanos , Contagem de Plaquetas , Púrpura Trombocitopênica Trombótica/sangue , Púrpura Trombocitopênica Trombótica/terapia , Fator de von Willebrand/metabolismo
12.
Rheumatol Adv Pract ; 8(4): rkae115, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-39376962

RESUMO

Objectives: Severe acute respiratory syndrome coronavirus 2 (SARS-COV-2 or COVID-19) led to lockdowns predisposing people to sedentary lifestyles and unhealthy behaviours which may have affected bone mineral density (BMD) and fragility fracture risk. However, limited studies describe such an association. We aimed to investigate how COVID-19 lockdowns has affected BMD and fragility fractures in a large cohort. Methods: Patients were referred to our DXA scanner from 2004 to 2024 and were subsequently categorized as pre- or post-March 23, 2020 (pre- and post-COVID-19) to allow analysis between the groups. Demographic, BMD and compositional data were compared between the two populations. A multivariate logistic regression modelled the odds of reporting a fracture including hip and non-hip fracture. A multiple linear regression was used to model how the lockdown has affected bone density. All analyses were adjusted for confounders. Results: Of 43 799 referrals, 6564 were post-COVID-19. Post-COVID-19 patients had higher non-hip fracture rates (42.0% vs 39.8%), were 3 kg heavier, and had lower left femoral T-scores. Patients referred post-COVID-19 had a statistically significant reduction of -0.23 to their T-score after adjusting for confounders as well as increased risk of getting diagnosed with osteoporosis [odds ratio (OR) 1.49, 95% CI 1.40-1.59]. Patients referred after the pandemic had a reduced odds of any fracture (OR 0.83, 95% CI 0.77-0.88), hip (OR 0.74, 95% CI 0.62-0.88) and non-hip fracture (OR 0.78, 95% CI 0.73-0.83). Conclusion: COVID-19 lockdowns may have negatively affected bone; however, this has not translated to an increased fracture risk in our study. Further research is needed with prospective cohorts to corroborate this risk.

13.
Rheumatol Adv Pract ; 8(1): rkae010, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38390590

RESUMO

Objectives: BMI is a component of fracture risk calculators; however, it may be too simplistic to predict fracture risk. There is emerging evidence for the role that fat plays as a predictor of fracture. Partial body fat percentage (PBF%) may be a novel way to predict both hip and non-hip fractures. The aim of this study is to evaluate PBF% as a predictor of fragility fractures. Methods: A multivariate logistic regression analysis was conducted looking at PBF% as a predicter of both non-hip and hip fractures in an observational cohort. Our results were adjusted for age, biological sex, gender, smoking status, excess alcohol consumption (>3 units/day), current steroid therapy and the T-scores in both femurs. To allow for comparison, the same model was used with BMI, height and weight as the primary predictor of fracture. A subgroup analysis was conducted stratified by fracture site. A sensitivity analysis using a negative binomial regression was conducted. Results: A total of 31 447 patients were included in our analysis [mean age 64.9 years (s.d. 12.9)]. PBF% was shown to predict all non-hip fractures after adjustment [odds ratio (OR) 22.14 (95% CI 15.08, 32.50)]. Hip fractures were not predicted by our model [OR 4.19 (95% CI 0.43, 41.46)]. Sensitivity analysis demonstrated a lack of predictive capability for hip fracture but not non-hip fractures. Conclusion: PBF% may be a suitable predictor for all non-hip fractures, independent of confounding variables. More research is needed on whether it can predict hip fractures.

14.
J Pers Med ; 14(2)2024 Jan 31.
Artigo em Inglês | MEDLINE | ID: mdl-38392604

RESUMO

Postural orthostatic tachycardia syndrome (POTS) is a common accompaniment of a variety of chronic, inflammatory diseases, including long COVID, as are small, insoluble, 'fibrinaloid' microclots. We here develop the argument, with accompanying evidence, that fibrinaloid microclots, through their ability to block the flow of blood through microcapillaries and thus cause tissue hypoxia, are not simply correlated with but in fact, by preceding it, may be a chief intermediary cause of POTS, in which tachycardia is simply the body's exaggerated 'physiological' response to hypoxia. Similar reasoning accounts for the symptoms bundled under the term 'fatigue'. Amyloids are known to be membrane disruptors, and when their targets are nerve membranes, this can explain neurotoxicity and hence the autonomic nervous system dysfunction that contributes to POTS. Taken together as a system view, we indicate that fibrinaloid microclots can serve to link POTS and fatigue in long COVID in a manner that is at once both mechanistic and explanatory. This has clear implications for the treatment of such diseases.

15.
Npj Imaging ; 2(1): 9, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38706558

RESUMO

Computational simulations of coronary artery blood flow, using anatomical models based on clinical imaging, are an emerging non-invasive tool for personalized treatment planning. However, current simulations contend with two related challenges - incomplete anatomies in image-based models due to the exclusion of arteries smaller than the imaging resolution, and the lack of personalized flow distributions informed by patient-specific imaging. We introduce a data-enabled, personalized and multi-scale flow simulation framework spanning large coronary arteries to myocardial microvasculature. It includes image-based coronary anatomies combined with synthetic vasculature for arteries below the imaging resolution, myocardial blood flow simulated using Darcy models, and systemic circulation represented as lumped-parameter networks. We propose an optimization-based method to personalize multiscale coronary flow simulations by assimilating clinical CT myocardial perfusion imaging and cardiac function measurements to yield patient-specific flow distributions and model parameters. Using this proof-of-concept study on a cohort of six patients, we reveal substantial differences in flow distributions and clinical diagnosis metrics between the proposed personalized framework and empirical methods based purely on anatomy; these errors cannot be predicted a priori. This suggests virtual treatment planning tools would benefit from increased personalization informed by emerging imaging methods.

16.
Stroke ; 44(6): 1609-15, 2013 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-23674528

RESUMO

BACKGROUND AND PURPOSE: Recently, a novel locus at 17q25 was associated with white matter hyperintensities (WMH) on MRI in stroke-free individuals. We aimed to replicate the association with WMH volume (WMHV) in patients with ischemic stroke. If the association acts by promoting a small vessel arteriopathy, it might be expected to also associate with lacunar stroke. METHODS: We quantified WMH on MRI in the stroke-free hemisphere of 2588 ischemic stroke cases. Association between WMHV and 6 single-nucleotide polymorphisms at chromosome 17q25 was assessed by linear regression. These single-nucleotide polymorphisms were also investigated for association with lacunar stroke in 1854 cases and 51 939 stroke-free controls from METASTROKE. Meta-analyses with previous reports and a genetic risk score approach were applied to identify other novel WMHV risk variants and uncover shared genetic contributions to WMHV in community participants without stroke and ischemic stroke. RESULTS: Single-nucleotide polymorphisms at 17q25 were associated with WMHV in ischemic stroke, the most significant being rs9894383 (P=0.0006). In contrast, there was no association between any single-nucleotide polymorphism and lacunar stroke. A genetic risk score analysis revealed further genetic components to WMHV shared between community participants without stroke and ischemic stroke. CONCLUSIONS: This study provides support for an association between the 17q25 locus and WMH. In contrast, it is not associated with lacunar stroke, suggesting that the association does not act by promoting small-vessel arteriopathy or the same arteriopathy responsible for lacunar infarction.


Assuntos
Encéfalo/patologia , Cromossomos Humanos Par 17/genética , Fibras Nervosas Mielinizadas/patologia , Acidente Vascular Cerebral Lacunar/genética , Acidente Vascular Cerebral Lacunar/patologia , Acidente Vascular Cerebral/genética , Acidente Vascular Cerebral/patologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Estudos de Casos e Controles , Feminino , Estudo de Associação Genômica Ampla , Genótipo , Humanos , Modelos Lineares , Imageamento por Ressonância Magnética , Masculino , Pessoa de Meia-Idade , Polimorfismo de Nucleotídeo Único/genética
17.
medRxiv ; 2023 Aug 23.
Artigo em Inglês | MEDLINE | ID: mdl-37645850

RESUMO

Computational simulations of coronary artery blood flow, using anatomical models based on clinical imaging, are an emerging non-invasive tool for personalized treatment planning. However, current simulations contend with two related challenges - incomplete anatomies in image-based models due to the exclusion of arteries smaller than the imaging resolution, and the lack of personalized flow distributions informed by patient-specific imaging. We introduce a data-enabled, personalized and multi-scale flow simulation framework spanning large coronary arteries to myocardial microvasculature. It includes image-based coronary models combined with synthetic vasculature for arteries below the imaging resolution, myocardial blood flow simulated using Darcy models, and systemic circulation represented as lumped-parameter networks. Personalized flow distributions and model parameters are informed by clinical CT myocardial perfusion imaging and cardiac function using surrogate-based optimization. We reveal substantial differences in flow distributions and clinical diagnosis metrics between the proposed personalized framework and empirical methods based on anatomy; these errors cannot be predicted a priori. This suggests virtual treatment planning tools would benefit from increased personalization informed by emerging imaging methods.

18.
Cleve Clin J Med ; 90(11): 693-701, 2023 11 01.
Artigo em Inglês | MEDLINE | ID: mdl-37914201

RESUMO

For patients with decompensated cirrhosis, health maintenance is critical to improve survival rates and prevent adverse outcomes. We review the primary care management of cirrhosis and its complications, such as esophageal varices, hepatocellular carcinoma, and chemical or medication exposures. We also highlight specific immunizations and lifestyle modifications to prevent decompensation, and we summarize current screening guidelines.


Assuntos
Cirrose Hepática , Neoplasias Hepáticas , Humanos , Cirrose Hepática/diagnóstico , Cirrose Hepática/complicações , Imunização/efeitos adversos , Estilo de Vida , Atenção Primária à Saúde , Hemorragia Gastrointestinal/etiologia
19.
Front Plant Sci ; 14: 1026063, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37332715

RESUMO

There exists a global challenge of feeding the growing human population of the world and supplying its energy needs without exhausting global resources. This challenge includes the competition for biomass between food and fuel production. The aim of this paper is to review to what extent the biomass of plants growing under hostile conditions and on marginal lands could ease that competition. Biomass from salt-tolerant algae and halophytes has shown potential for bioenergy production on salt-affected soils. Halophytes and algae could provide a bio-based source for lignoceelusic biomass and fatty acids or an alternative for edible biomass currently produced using fresh water and agricultural lands. The present paper provides an overview of the opportunities and challenges in the development of alternative fuels from halophytes and algae. Halophytes grown on marginal and degraded lands using saline water offer an additional material for commercial-scale biofuel production, especially bioethanol. At the same time, suitable strains of microalgae cultured under saline conditions can be a particularly good source of biodiesel, although the efficiency of their mass-scale biomass production is still a concern in relation to environmental protection. This review summaries the pitfalls and precautions for producing biomass in a way that limits environmental hazards and harms for coastal ecosystems. Some new algal and halophytic species with great potential as sources of bioenergy are highlighted.

20.
World J Clin Cases ; 11(24): 5700-5709, 2023 Aug 26.
Artigo em Inglês | MEDLINE | ID: mdl-37727728

RESUMO

BACKGROUND: Diabetic ketoacidosis (DKA) manifests as hyperglycemia, metabolic acidosis, and ketosis. However, euglycemic DKA (eu-DKA) conceals severe DKA with glucose levels below 200 mg/dL. Sodium-glucose cotransporter-2 (SGLT2) inhibitors can induce eu-DKA in diabetic patients. Notably, coronavirus disease 2019 (COVID-19) -infected individuals with diabetes using SGLT2 inhibitors face an augmented risk of eu-DKA due to the direct toxic impact of the virus on pancreatic islets. This study aims to comprehensively investigate the association between SGLT2 inhibitors and eu-DKA in COVID-19 patients through meticulous case report analysis. Additionally, we endeavor to examine the outcomes and treatment approaches for COVID-19-infected diabetics receiving SGLT2 inhibitors, providing indispensable insights for healthcare professionals managing this specific patient population. AIM: To investigate the connection between SGLT2 inhibitors and euglycemic DKA in COVID-19 patients through a meticulous analysis of case reports. METHODS: We conducted an exhaustive search across prominent electronic databases, including PubMed, SCOPUS, Web of Science, and Google Scholar. This search encompassed the period from December 2019 to May 2022, incorporating published studies and pre-prints. The search terms employed encompassed "SGLT2 inhibitors", "euglycemic DKA", "COVID-19", and related variations. By incorporating these diverse sources, our objective was to ensure a thorough exploration of the existing literature on this subject, thereby augmenting the validity and robustness of our findings. RESULTS: Our search yielded a total of seven case reports and one case series, collectively comprising a cohort of twelve patients. These reports detailed instances of eu-DKA in individuals with COVID-19. Crucially, all twelve patients were utilizing SGLT2 as their primary anti-diabetic medication. Upon admission, all oral medications were promptly discontinued, and the patients were initiated on intravenous insulin therapy to effectively manage the DKA. Encouragingly, eleven patients demonstrated a favorable outcome, while regrettably, one patient succumbed to the condition. Subsequently, SGLT2 were discontinued for all patients upon their discharge from the hospital. These findings provide valuable insights into the clinical management and outcomes of eu-DKA cases associated with COVID-19 and SGLT2, underscoring the critical importance of prompt intervention and vigilant medication adjustments. CONCLUSION: Our study sheds light on the possibility of diabetic patients developing both drug-related and unrelated DKA, as well as encountering adverse outcomes in the context of COVID-19, despite maintaining satisfactory glycemic control. The relationship between glycemic control and clinical outcomes in COVID-19 remains ambiguous. Consequently, this systematic review proposes that COVID-19-infected diabetic patients using SGLT2 should contemplate alternative treatment protocols until their recovery from the disease.

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