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1.
NPJ Parkinsons Dis ; 10(1): 128, 2024 Jun 29.
Artículo en Inglés | MEDLINE | ID: mdl-38951528

RESUMEN

Idiopathic rapid eye movement sleep behaviour disorder (iRBD)-a Parkinson's disease (PD) prodrome-might exhibit neural changes similar to those in PD. Substantia nigra pars compacta (SNc) degeneration underlies motor symptoms of PD. In iRBD and early PD (ePD), we measured diffusion MRI (dMRI) in the caudal motor SNc, which overlaps the nigrosome-1-the earliest-degenerating dopaminergic neurons in PD-and in the striatum. Nineteen iRBD, 26 ePD (1.7 ± 0.03 years), and 46 age-matched healthy controls (HCs) were scanned at Western University, and 47 iRBD, 115 ePD (0.9 ± 0.01 years), and 56 HCs were scanned through the Parkinson's Progression Markers Initiative, using 3T MRI. We segmented the SNc and striatum into subregions using automated probabilistic tractography to the cortex. We measured mean diffusivity (MD) and fractional anisotropy (FA) along white-matter bundles and subregional surfaces. We performed group-level and classification analyses. Increased caudal motor SNc surface MD was the only iRBD-HCs and ePD-HCs difference replicating across datasets (padj < 0.05). No iRBD-ePD differences emerged. Caudal motor SNc surface MD classified patient groups from HCs at the single-subject level with good-to-excellent balanced accuracy in an independent sample (0.91 iRBD and 0.86 iRBD and ePD combined), compared to fair performance for total SNc surface MD (0.72 iRBD and ePD). Caudal motor SNc surface MD correlated significantly with MDS-UPDRS-III scores in ePD patients. Using dMRI and automated segmentation, we detected changes suggesting altered microstructural integrity in iRBD and ePD in the nigrostriatal subregion known to degenerate first in PD. Surface MD of the caudal motor SNc presents a potential measure for inclusion in neuroimaging biomarkers of iRBD and PD.

2.
Physiol Rep ; 12(13): e16133, 2024 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-38961593

RESUMEN

Decompensated liver disease is complicated by multi-organ failure and poor prognosis. The prognosis of patients with liver failure often dictates clinical management. Current prognostic models have focused on biomarkers considered as individual isolated units. Network physiology assesses the interactions among multiple physiological systems in health and disease irrespective of anatomical connectivity and defines the influence or dependence of one organ system on another. Indeed, recent applications of network mapping methods to patient data have shown improved prediction of response to therapy or prognosis in cirrhosis. Initially, different physical markers have been used to assess physiological coupling in cirrhosis including heart rate variability, heart rate turbulence, and skin temperature variability measures. Further, the parenclitic network analysis was recently applied showing that organ systems connectivity is impaired in patients with decompensated cirrhosis and can predict mortality in cirrhosis independent of current prognostic models while also providing valuable insights into the associated pathological pathways. Moreover, network mapping also predicts response to intravenous albumin in patients hospitalized with decompensated cirrhosis. Thus, this review highlights the importance of evaluating decompensated cirrhosis through the network physiologic prism. It emphasizes the limitations of current prognostic models and the values of network physiologic techniques in cirrhosis.


Asunto(s)
Cirrosis Hepática , Humanos , Cirrosis Hepática/fisiopatología , Cirrosis Hepática/diagnóstico , Pronóstico
3.
Med Sci Monit ; 30: e942619, 2024 Jul 08.
Artículo en Inglés | MEDLINE | ID: mdl-38973140

RESUMEN

BACKGROUND Completion thyroidectomy (CTx) is performed following hemithyroidectomy (HTx) when the risk of malignancy persists or is discovered postoperatively. Different surgical approaches, including CTx after HTx (CTx-HTx), total thyroidectomy (TTx), and revision surgery after TTx (RTx-TTx), offer varying risks and benefits, including pathological outcomes and complication rates. Understanding the predictors and rates of malignancy in these procedures is crucial for optimizing surgical management of thyroid disorders. MATERIAL AND METHODS This retrospective study analyzed data from January 2014 to October 2019, including 60 patients each in the CTx-HTx and TTx groups, and 47 in the RTx-TTx group. The CTx-HTx group was subdivided based on benign or malignant findings in CTx specimens. Clinicodemographic data and pathological features such as tumor type, size, side, capsular and vascular invasion, extrathyroidal spread, multifocality, and lymph node metastasis were reviewed. RESULTS Age and sex distributions were similar across groups. In the CTx-HTx group, 76.7% of specimens were benign and 23.3% malignant. No significant predictors of malignancy were found between the benign and malignant subgroups in univariate and multivariable analyses. In the TTx group, 75.0% of initial lobes and 13.3% of contralateral lobes were malignant. TTx was associated with a significant postoperative decrease in calcium and longer hospital stays. Multivariable analysis identified TTx as an independent risk factor for hypocalcemia. CONCLUSIONS Reducing overtreatment in thyroid cancer may involve limiting CTx after HTx and considering more conservative initial surgeries, particularly when indications for TTx are not definitive.


Asunto(s)
Complicaciones Posoperatorias , Neoplasias de la Tiroides , Tiroidectomía , Humanos , Neoplasias de la Tiroides/cirugía , Neoplasias de la Tiroides/patología , Masculino , Femenino , Tiroidectomía/métodos , Tiroidectomía/efectos adversos , Estudios Retrospectivos , Persona de Mediana Edad , Adulto , Complicaciones Posoperatorias/etiología , Resultado del Tratamiento , Reoperación , Anciano
5.
J Med Educ Curric Dev ; 11: 23821205241262685, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38868680

RESUMEN

OBJECTIVES: Coronavirus disease 2019 (COVID-19) has profoundly impacted residency and fellowship training and education. However, how and to what extent the COVID-19 pandemic in Lebanon compromised the daily involvement of trainees on the clinical and ethical levels is currently unknown, which this study will shed light on. METHODS: We conducted a cross-sectional survey (30 questions) targeting medical residents delivering healthcare services in Lebanon. Residents from different specialties were included in the study to assess the effect of the pandemic on their education and the ethical obstacles they faced when dealing with patients. RESULTS: A total of 221 postgraduate medical students participated in our study. Results showed that about half of the residents (52.1%) were only able to do a basic physical examination rather than a full examination as a mandatory requirement in the residency curriculum. The majority (60%) agreed that the doctor-patient relationship is contravened. In addition, almost all residents suffered from fear and emotional distress that affected their education (83.7%). CONCLUSION: The findings of this study identify the effect of COVID-19 on residents' training, which affects treatment outcomes and greatly impacts the mental well-being of both healthcare workers and patients.

7.
Artículo en Inglés | MEDLINE | ID: mdl-38842516

RESUMEN

In recent years, there has been a burgeoning interest in exploring the nuances of animal stress physiology, particularly in relation to parameters such as sex, and behavioral phenotype-dependent variations, that is crucial for understanding phenotypic variation and its role in evolutionary selection. However, a significant dearth remains in how chronic stressors affect organismal stress physiology concerning the aforesaid parameters. This void is even wider pertaining to the response of peripheral tissues, such as the skin, the organ with the highest surface contact area with the environment. Hence, we behaviorally grouped the zebrafishes based on their boldness and the body condition, whole-body cortisol response, along with examining the transcriptional response, global DNA methylome, and oxidative DNA damage in the skin upon chronic crowding. Upon baseline conditions, clear distinction between bold and shy phenotypes were found, particularly in males. The boldness index score distribution exhibited greater uniformity in males than in females. Regarding the body condition response to chronic crowding, shy males showed a significant relative decline compared to their bold counterparts, while this trend did not hold true for females. qPCR data revealed distinctive expression patterns in key genes which play critical roles in cellular processes such as stress mediated gene regulation, immune response, oxidative stress protection, and maintenance of genomic integrity through epigenetic modifications across behavioral phenotypes and sexes under both with and without chronic crowding stress. Global DNA methylation levels significantly declined only in chronically crowded shy males, and sex/behavioral phenotype-dependent trends in oxidative DNA damage were identified.

8.
J Neurosci ; 44(23)2024 Jun 05.
Artículo en Inglés | MEDLINE | ID: mdl-38839341

RESUMEN

The hippocampus is a brain structure that plays key roles in a variety of cognitive processes. Critically, a wide range of neurological disorders are associated with degeneration of the hippocampal microstructure, defined as neurons, dendrites, glial cells, and more. Thus, the hippocampus is a key target for methods that are sensitive to these microscale properties. Diffusion MRI is one such method, which can noninvasively probe neural architecture. Here we review the extensive use of diffusion MRI to capture hippocampal microstructure in both health and disease. The results of these studies indicate that (1) diffusion tensor imaging is sensitive but not specific to the hippocampal microstructure; (2) biophysical modeling of diffusion MRI signals is a promising avenue to capture more specific aspects of the hippocampal microstructure; (3) use of ultra-short diffusion times have shown unique laminar-specific microstructure and response to hippocampal injury; (4) dispersion of microstructure is likely abundant in the hippocampus; and (5) the angular richness of the diffusion MRI signal can be leveraged to improve delineation of the internal hippocampal circuitry. Overall, extant findings suggest that diffusion MRI offers a promising avenue for characterizing hippocampal microstructure.


Asunto(s)
Imagen de Difusión por Resonancia Magnética , Hipocampo , Hipocampo/diagnóstico por imagen , Humanos , Imagen de Difusión por Resonancia Magnética/métodos , Animales
9.
Gene ; 927: 148715, 2024 Jun 21.
Artículo en Inglés | MEDLINE | ID: mdl-38909967

RESUMEN

As rice has no physiological capacity of fixing nitrogen in the soil, its production had always been reliant on the external application of nitrogen (N) to ensure enhanced productivity. In the light of improving nitrogen use efficiency (NUE) in rice, several advanced agronomic strategies have been proposed. However, the soared increase of the prices of N fertilizers and subsequent environmental downfalls caused by the excessive use of N fertilizers, reinforces the prerequisite adaptation of other sustainable, affordable, and globally acceptable strategies. An appropriate alternative approach would be to develop rice cultivars with better NUE. Conventional breeding techniques, however, have had only sporadic success in improving NUE, and hence, this paper proposes a new schema that employs the wholesome benefits of the recent advancements in omics technologies. The suggested approach promotes multidisciplinary research, since such cooperation enables the synthesis of many viewpoints, approaches, and data that result in a comprehensive understanding of NUE in rice. Such collaboration also encourages innovation that leads to developing rice varieties that use nitrogen more effectively, facilitate smart technology transfer, and promotes the adoption of NUE practices by farmers and stakeholders to minimize ecological impact and contribute to a sustainable agricultural future.

10.
J Am Coll Radiol ; 2024 Jun 06.
Artículo en Inglés | MEDLINE | ID: mdl-38935002

RESUMEN

PURPOSE: The Supplemental Nutrition Assistance Program (SNAP) addresses food insecurity for low-income households, which is associated with access to care. Many US states expanded SNAP access through policies eliminating the asset test (ie, restrictions based on SNAP applicant assets) and/or broadening income eligibility. The objective of this study was to determine whether state SNAP policies were associated with the use of mammography among women eligible for breast cancer screening. METHODS: Data for income-eligible women 40 to 79 years of age were obtained from the 2006 to 2019 Behavioral Risk Factor Surveillance System. Difference-in-differences analyses were conducted to compare changes in the percentage of mammography in the past year from pre- to post-SNAP policy adoption (asset test elimination or income eligibility increase) between states that and did not adopt policies expanding SNAP eligibility. RESULTS: In total, 171,684 and 294,647 income-eligible female respondents were included for the asset test elimination policy and income eligibility increase policy analyses, respectively. Mammography within 1 year was reported by 58.4%. Twenty-eight and 22 states adopted SNAP asset test elimination and income increase policies, respectively. Adoption of asset test elimination policies was associated with a 2.11 (95% confidence interval [CI], 0.07-4.15; P = .043) percentage point increase in mammography received within 1 year, particularly for nonmetropolitan residents (4.14 percentage points; 95% CI, 1.07-7.21 percentage points; P = .008), those with household incomes <$25,000 (2.82 percentage points; 95% CI, 0.68-4.97 percentage points; P = .01), and those residing in states in the South (3.08 percentage points; 95% CI, 0.17-5.99 percentage points; P = .038) or that did not expand Medicaid under the Patient Protection and Affordable Care Act (3.35 percentage points; 95% CI, 0.36-6.34; P = .028). There was no significant association between mammography and state-level policies broadening of SNAP income eligibility. CONCLUSIONS: State policies eliminating asset test requirements for SNAP eligibility were associated with increased mammography among low-income women eligible for breast cancer screening, particularly for those in the lowest income bracket or residing in nonmetropolitan areas or Medicaid nonexpansion states.

11.
Prehosp Emerg Care ; : 1-7, 2024 Jun 24.
Artículo en Inglés | MEDLINE | ID: mdl-38771723

RESUMEN

BACKGROUND: An important method employed to reduce door to balloon time (DTBT) for ST segment elevation Myocardial Infarctions (STEMIs) is a prehospital MI alert. The purpose of this retrospective study was to examine the effects of an educational intervention using a novel decision support method of STEMI notification and prehospital electrocardiogram (ECG) transmission on DTBT. METHODS: An ongoing database (April 4, 2000 - present) is maintained to track STEMI alerts. In 2007, an MI alert program began; emergency medicine physicians could activate a "prehospital MI alert". In October 2015, modems were purchased for Emergency Medical Services personnel to transmit ECGs. There was concurrent implementation of a decision support tool for identifying STEMI. Sex was assigned as indicated in the medical record. Data were analyzed in two groups: Pre-2016 (PRE) and 2016-2022 (POST). RESULTS: In total, 3,153 patients (1,301 PRE; 1,852 POST) were assessed; the average age was 65.2 years, 32.6% female, 87.7% white with significant differences in age and race between the two cohorts. Of the total 3,153 MI alerts, 239 were false activations, leaving 2,914 for analysis. 2,115 (72.6%) had cardiac catheterization while 16 (6.7%) of the 239 had a cardiac catheterization. There was an overall decrease in DTBT of 27.5% PRE to POST of prehospital ECG transmission (p < 0.001); PRE median time was 74.5 min vs. 55 min POST. There was no significant difference between rates of cardiac catheterization PRE and POST for all patients. After accounting for age, race, and mode of arrival, DTBT was 12.2% longer in women, as compared to men (p < 0.001) PRE vs. POST. DTBT among women was significantly shorter when comparing PRE to POST periods (median 77 min vs. 60 min; p = 0.0001). There was no significant sex difference in the proportion of those with cardiac catheterization between the two cohorts (62.5% vs. 63.5%; p = 0.73). CONCLUSION: Introduction of a decision support tool with prehospital ECG transmission with prehospital ECG transmission decreased overall DTBT by 20 min (27.5%). Women in the study had a 17-minute decrease in DTBT (22%), but their DTBT remained 12.2% longer than men for reasons that remain unclear.

12.
J Microbiol Methods ; 222: 106954, 2024 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-38754480

RESUMEN

Bacterial meningitis is an acute infection which requires rapid diagnosis and treatment due to the high mortality and serious consequences of the disease. The purpose of this study was to design a homemade multiplex PCR and a novel fluorescence biosensor on chip (FBC) to detect three important agents of meningitis including Streptococcus pneumoniae (S. pneumoniae), Neisseria meningitidis (N. meningitidis), and Haemophilus influenzae (H. influenzae). The homemade multiplex PCR can diagnose three bacterial species simultaneously. Fabrication of FBC was carried out based on the deposition of lead nanoparticles on a quartz slide using the thermal evaporation method. Then, the SH-Cap Probe/Target ssDNA /FAM-Rep probe was loaded on lead film. The evaluation of the fluorescence reaction when the probes bind to the target ssDNA was assessed by a Cytation 5 Cell Imaging Multimode Reader Bio-Tek. The limit of detections (LOD) in homemade PCR and FBC to identify S. pneumoniae were 119 × 102 CFU/mL (0.27 ng/µL) and 380 CFU/mL (9 pg/µL), respectively. The LODs of homemade PCR and FBC for detection of N. meningitidis were 4.49 CFU/mL (1.1 pg/µL) and 13 × 103 CFU/mL (30 pg/µL), respectively. Our results confirmed the LODs of homemade PCR and FBC in detection of H. influenzae were 15.1 CFU/mL (30 fg/µL) and 41 × 102 CFU/mL (90 pg/ µL), respectively. Both techniques had appropriate sensitivity and specificity in detection of S. pneumoniae, N. meningitidis and H. influenzae.


Asunto(s)
Técnicas Biosensibles , Haemophilus influenzae , Meningitis Bacterianas , Reacción en Cadena de la Polimerasa Multiplex , Neisseria meningitidis , Streptococcus pneumoniae , Neisseria meningitidis/aislamiento & purificación , Neisseria meningitidis/genética , Técnicas Biosensibles/métodos , Streptococcus pneumoniae/aislamiento & purificación , Streptococcus pneumoniae/genética , Haemophilus influenzae/aislamiento & purificación , Haemophilus influenzae/genética , Humanos , Reacción en Cadena de la Polimerasa Multiplex/métodos , Meningitis Bacterianas/diagnóstico , Meningitis Bacterianas/microbiología , Límite de Detección , ADN Bacteriano/genética , Sensibilidad y Especificidad
13.
Psychiatry Res ; 337: 115948, 2024 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-38788553

RESUMEN

Depressive disorders have increased in global prevalence, making improved management of these disorders a public health priority. Prior research has linked circadian clock genes to depression, either through direct interactions with mood-related pathways in the brain or by modulating the phase of circadian rhythms. Using machine learning and statistical techniques, we explored associations between 157,347 SNP variants from 51 circadian-related genes and depression scores from the patient health questionnaire 9 (PHQ-9) in 99,939 UK Biobank participants. Our results highlight multiple pathways linking the circadian system to mood, including metabolic, monoamine, immune, and stress-related pathways. Notably, genes regulating glucose metabolism and inflammation (GSK3B, LEP, RORA, and NOCT) were prominent factors in females, in addition to DELEC1 and USP46, two genes of unknown function. In contrast, FBXL3 and DRD4 emerged as significant risk factors for male depression. We also found epistatic interactions involving RORA, NFIL3, and ZBTB20 as either risk or protective factors for depression, underscoring the importance of transcription factors (ZBTB20, NFIL3) and hormone receptors (RORA) in depression etiology. Understanding the complex, sex-specific links between circadian genes and mood disorders will facilitate the development of therapeutic interventions and enhance the efficacy of multi-target treatments for depression.


Asunto(s)
Inflamación , Plasticidad Neuronal , Polimorfismo de Nucleótido Simple , Humanos , Femenino , Masculino , Persona de Mediana Edad , Inflamación/genética , Reino Unido/epidemiología , Plasticidad Neuronal/genética , Plasticidad Neuronal/fisiología , Glucosa/metabolismo , Anciano , Ritmo Circadiano/fisiología , Ritmo Circadiano/genética , Bancos de Muestras Biológicas , Adulto , Relojes Circadianos/genética , Relojes Circadianos/fisiología , Depresión/genética , Depresión/epidemiología , Factores Sexuales , Trastorno Depresivo/genética , Trastorno Depresivo/epidemiología , Biobanco del Reino Unido
14.
Cureus ; 16(4): e57655, 2024 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-38707022

RESUMEN

Background Gastrointestinal malignancy surgeries are known to have a risk of postoperative complications. Preoperative nutritional status has been suggested as a potential predictor of postoperative outcomes, with low serum albumin levels utilized as a marker of malnutrition and increased risk of postoperative complications. This paper investigated the association between preoperative serum albumin levels and postoperative outcomes in patients undergoing colorectal cancer surgery. Methods This retrospective data-maintained study was based on all patients aged 18 years and above who underwent colorectal cancer surgery at King Abdulaziz Medical City, Riyadh, Saudi Arabia between 2015 and 2022. Results A total of 400 patients were included in the study. With an average age of 64.43 years. Males represented 254 (63%) of the patients, while females accounted for 146 (37%). Thirty percent of patients had hypoalbuminemia (i.e., albumin level below 35 g/L) before surgery. Among the sample, 112 (28%) experienced complications after surgery. The mean albumin level for patients who experienced postoperative complications was 30.46 g/L while patients without complications had a normal albumin level. As for the length of hospital stay, it was eight days for patients with a normal albumin level and 23 days for hypoalbuminemia patients. Conclusion In conclusion, preoperative hypoalbuminemia is associated with poor patient outcomes and can be utilized as a prognostic marker for patients in need of colorectal cancer surgery.

15.
RSC Adv ; 14(21): 14793-14806, 2024 May 02.
Artículo en Inglés | MEDLINE | ID: mdl-38716106

RESUMEN

Therapeutic deep eutectic solvents (THEDSs) are the best exemplification of green alternative formulations of active pharmaceutical ingredients (APIs) that offer superlative properties of APIs. Previously, THEDESs of risperidone, fentanyl and levofloxacin with capric acid (CA) were developed by our group. These APIs share cyclic tertiary amine nuclei. Herein, DESs of two drugs bearing cyclic tertiary amine nucleus, namely, droperidol and aripiprazole, in the presence of CA, were investigated as model drugs. Comprehensive analyses were conducted using liquid-state 1D and 2D NMR and differential scanning calorimetry (DSC) to elucidate the regiochemistry and thermodynamic mechanisms bringing about those THEDESs. Everted gut sac technique was used to study the flux of the developed THEDESs. 1D and 2D NMR techniques analyses revealed the importance of cyclic tertiary amine nuclei in forming interactions with CA. This was confirmed by the downfield shift of the protons proximal to the tertiary amine groups compared to the individual drugs. Diffusion NMR analysis (DOSY) showed a significant reduction in the diffusion coefficient of CA in the mixed system compared with CA in isolation. Thermal analysis of the two drugs revealed that the drugs have a low tendency to recrystallise upon melting but rather vitrify from a melt to form an amorphous solid. Interestingly, the superior absorption and flux of the THEDES formulation of droperidol was demonstrated using the ERIS. Collectively, this work provides a green method to attain liquid formulations of APIs with enhanced pharmacokinetic features.

16.
Glob Chang Biol ; 30(5): e17312, 2024 May.
Artículo en Inglés | MEDLINE | ID: mdl-38736133

RESUMEN

Biological invasions pose a rapidly expanding threat to the persistence, functioning and service provisioning of ecosystems globally, and to socio-economic interests. The stages of successful invasions are driven by the same mechanism that underlies adaptive changes across species in general-via natural selection on intraspecific variation in traits that influence survival and reproductive performance (i.e., fitness). Surprisingly, however, the rapid progress in the field of invasion science has resulted in a predominance of species-level approaches (such as deny lists), often irrespective of natural selection theory, local adaptation and other population-level processes that govern successful invasions. To address these issues, we analyse non-native species dynamics at the population level by employing a database of European freshwater macroinvertebrate time series, to investigate spreading speed, abundance dynamics and impact assessments among populations. Our findings reveal substantial variability in spreading speed and abundance trends within and between macroinvertebrate species across biogeographic regions, indicating that levels of invasiveness and impact differ markedly. Discrepancies and inconsistencies among species-level risk screenings and real population-level data were also identified, highlighting the inherent challenges in accurately assessing population-level effects through species-level assessments. In recognition of the importance of population-level assessments, we urge a shift in invasive species management frameworks, which should account for the dynamics of different populations and their environmental context. Adopting an adaptive, region-specific and population-focused approach is imperative, considering the diverse ecological contexts and varying degrees of susceptibility. Such an approach could improve and refine risk assessments while promoting mechanistic understandings of risks and impacts, thereby enabling the development of more effective conservation and management strategies.


Asunto(s)
Especies Introducidas , Invertebrados , Dinámica Poblacional , Animales , Invertebrados/fisiología , Europa (Continente) , Ecosistema , Agua Dulce
17.
Otol Neurotol ; 45(5): 564-571, 2024 Jun 01.
Artículo en Inglés | MEDLINE | ID: mdl-38728560

RESUMEN

OBJECTIVE: To investigate the safety and feasibility of precise delivery of a long-acting gel formulation containing 6% dexamethasone (SPT-2101) to the round window membrane for the treatment of Menière's disease. STUDY DESIGN: Prospective, unblinded, cohort study. SETTING: Tertiary care neurotology clinic. PATIENTS: Adults 18 to 85 years with a diagnosis of unilateral definite Menière's disease per Barany society criteria. INTERVENTIONS: A single injection of a long-acting gel formulation under direct visualization into the round window niche. MAIN OUTCOME MEASURES: Procedure success rate, adverse events, and vertigo control. Vertigo control was measured with definitive vertigo days (DVDs), defined as any day with a vertigo attack lasting 20 minutes or longer. RESULTS: Ten subjects with unilateral Menière's disease were enrolled. Precise placement of SPT-2101 at the round window was achieved in all subjects with in-office microendoscopy. Adverse events included one tympanic membrane perforation, which healed spontaneously after the study, and two instances of otitis media, which resolved with antibiotics. The average number of DVDs was 7.6 during the baseline month, decreasing to 3.3 by month 1, 3.7 by month 2, and 1.9 by month 3. Seventy percent of subjects had zero DVDs during the third month after treatment. CONCLUSIONS: SPT-2101 delivery to the round window is safe and feasible, and controlled trials are warranted to formally assess efficacy.


Asunto(s)
Dexametasona , Enfermedad de Meniere , Ventana Redonda , Humanos , Enfermedad de Meniere/tratamiento farmacológico , Dexametasona/administración & dosificación , Dexametasona/uso terapéutico , Persona de Mediana Edad , Masculino , Femenino , Anciano , Adulto , Resultado del Tratamiento , Estudios Prospectivos , Anciano de 80 o más Años , Preparaciones de Acción Retardada , Estudios de Cohortes , Vértigo/tratamiento farmacológico , Antiinflamatorios/administración & dosificación , Antiinflamatorios/uso terapéutico , Geles , Adulto Joven
18.
Phytother Res ; 38(6): 2847-2859, 2024 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-38561995

RESUMEN

The present systematic review and dose-response meta-analysis was conducted to synthesize existing data from randomized clinical trials (RCTs) concerning the impact of citrus flavonoids supplementation (CFS) on endothelial function. Relevant RCTs were identified through comprehensive searches of the PubMed, ISI Web of Science, and Scopus databases up to May 30, 2023. Weighted mean differences and their corresponding 95% confidence intervals (CI) were pooled utilizing a random-effects model. A total of eight eligible RCTs, comprising 596 participants, were included in the analysis. The pooled data demonstrated a statistically significant augmentation in flow-mediated vasodilation (FMD) (2.75%; 95% CI: 1.29, 4.20; I2 = 87.3%; p < 0.001) associated with CFS compared to the placebo group. Furthermore, the linear dose-response analysis indicated that each increment of 200 mg/d in CFS led to an increase of 1.09% in FMD (95% CI: 0.70, 1.48; I2 = 94.5%; p < 0.001). The findings from the nonlinear dose-response analysis also revealed a linear relationship between CFS and FMD (Pnon-linearity = 0.903, Pdose-response <0.001). Our findings suggest that CFS enhances endothelial function. However, more extensive RTCs encompassing longer intervention durations and different populations are warranted to establish more precise conclusions.


Asunto(s)
Citrus , Suplementos Dietéticos , Endotelio Vascular , Flavonoides , Ensayos Clínicos Controlados Aleatorios como Asunto , Vasodilatación , Humanos , Citrus/química , Flavonoides/farmacología , Vasodilatación/efectos de los fármacos , Endotelio Vascular/efectos de los fármacos , Relación Dosis-Respuesta a Droga
19.
Cells ; 13(8)2024 Apr 09.
Artículo en Inglés | MEDLINE | ID: mdl-38667277

RESUMEN

Acute lymphoblastic leukemia (ALL) and non-Hodgkin's lymphoma (NHL) are hematological malignancies with high incidence rates that respond relatively well to conventional therapies. However, a major issue is the clinical emergence of patients with relapsed or refractory (r/r) NHL or ALL. In such circumstances, opportunities for complete remission significantly decline and mortality rates increase. The recent FDA approval of multiple cell-based therapies, Kymriah (tisagenlecleucel), Yescarta (axicabtagene ciloleucel), Tecartus (Brexucabtagene autoleucel KTE-X19), and Breyanzi (Lisocabtagene Maraleucel), has provided hope for those with r/r NHL and ALL. These new cell-based immunotherapies use genetically engineered chimeric antigen receptor (CAR) T-cells, whose success can be attributed to CAR's high specificity in recognizing B-cell-specific CD19 surface markers present on various B-cell malignancies and the subsequent initiation of anti-tumor activity. The efficacy of these treatments has led to promising results in many clinical trials, but relapses and adverse reactions such as cytokine release syndrome (CRS) and neurotoxicity (NT) remain pervasive, leaving areas for improvement in current and subsequent trials. In this review, we highlight the current information on traditional treatments of NHL and ALL, the design and manufacturing of various generations of CAR T-cells, the FDA approval of Kymriah, Yescarta Tecartus, and Breyanzi, and a summary of prominent clinical trials and the notable disadvantages of treatments. We further discuss approaches to potentially enhance CAR T-cell therapy for these malignancies, such as the inclusion of a suicide gene and use of FDA-approved drugs.


Asunto(s)
Neoplasias Hematológicas , Inmunoterapia Adoptiva , Linfocitos T , Humanos , Antígenos CD19/inmunología , Linfocitos B/inmunología , Neoplasias Hematológicas/terapia , Neoplasias Hematológicas/inmunología , Inmunoterapia/métodos , Inmunoterapia Adoptiva/métodos , Receptores de Antígenos de Linfocitos T/inmunología , Receptores de Antígenos de Linfocitos T/metabolismo , Receptores Quiméricos de Antígenos/inmunología , Linfocitos T/inmunología
20.
Neurotherapeutics ; 21(3): e00366, 2024 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-38688105

RESUMEN

Psychiatric disorders are among the leading contributors to global disease burden and disability. A significant portion of patients with psychiatric disorders remain treatment-refractory to best available therapy. With insights from the neurocircuitry of psychiatric disorders and extensive experience of neuromodulation with deep brain stimulation (DBS) in movement disorders, DBS is increasingly being considered to modulate the neural network in psychiatric disorders. Currently, obsessive-compulsive disorder (OCD) is the only U.S. FDA (United States Food and Drug Administration) approved DBS indication for psychiatric disorders. Medically refractory depression, addiction, and other psychiatric disorders are being explored for DBS neuromodulation. Studies evaluating DBS for psychiatric disorders are promising but lack larger, controlled studies. This paper presents a brief review and the current state of DBS and other neurosurgical neuromodulation therapies for OCD and other psychiatric disorders. We also present a brief review of MR-guided Focused Ultrasound (MRgFUS), a novel form of neurosurgical neuromodulation, which can target deep subcortical structures similar to DBS, but in a noninvasive fashion. Early experiences of neurosurgical neuromodulation therapies, including MRgFUS neuromodulation are encouraging in psychiatric disorders; however, they remain investigational. Currently, DBS and VNS are the only FDA approved neurosurgical neuromodulation options in properly selected cases of OCD and depression, respectively.


Asunto(s)
Estimulación Encefálica Profunda , Trastornos Mentales , Humanos , Estimulación Encefálica Profunda/métodos , Trastornos Mentales/terapia , Trastorno Obsesivo Compulsivo/terapia , Procedimientos Neuroquirúrgicos/métodos , Procedimientos Neuroquirúrgicos/tendencias
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