This study investigates the impacts of wildfires on nanoparticle characteristics and exposure disparities in Toronto, integrating data from a large-scale mobile monitoring campaign and fixed-site measurements during the unprecedented 2023 wildfire season. Our results reveal changes in particle characteristics during wildfire days, with particle number concentrations decreasing by 60% and particle diameter increasing by 30% compared to nonwildfire days. Moreover, the median lung deposited surface area (LDSA) levels rose by 31% during wildfire events.
View Article and Find Full Text PDFBackground: The clinical manifestations of COVID-19 in neonates are generally mild and commonly require only supportive treatment. However, it is important to note that they can sometimes present with symptoms like bacterial sepsis, which can lead to confusion in diagnosis. In this study, our objective was to compare laboratory data and clinical manifestations between 2 groups to identify opportunities for reducing the unnecessary use of antibiotics.
View Article and Find Full Text PDFEarly delayed gastric conduit emptying (DGCE) is a frequent complication after Ivor-Lewis esophagectomy (ILE). Despite its relevance, few studies are published using the international consensus criteria. Therefore, we aimed to assess predictors and clinical consequences of DGCE in patients after ILE.
View Article and Find Full Text PDFBackground: Palestinian health conditions are exacerbated by high housing density, overcrowding, moisture issues, poor air circulation, poverty, limited health services, and housing insecurity, leading to chronic illnesses and mental health challenges. This study aims to explore the intricate connection between housing conditions and health outcomes, particularly focusing on the psychological, mental, and physical well-being of Palestinians.
Methods: The study employs a mixed-method approach, combining quantitative surveys and qualitative interviews.
Objective: We analyzed perioperative outcomes of patients undergoing pancreatectomy with portal vein resection for pancreatic cancer using temporary intraoperative mesoportal or mesocaval bypass.
Summary Background Data: Pancreatectomy for advanced pancreatic cancer with long-segment involvement or complete occlusion of the mesoportal venous axis and cavernous transformation represents a major technical challenge. To avoid major bleeding as well as to overcome severe bowel congestion or ischemia due to long portal venous clamping, a mesoportal or mesocaval venous bypass graft first approach has been proposed.
Background: The COVID-19 pandemic affected healthcare systems worldwide, disrupting elective surgeries including those for cancer treatment. This study examines the effects of the pandemic on outcomes of pancreatic cancer surgeries at a specialized high-volume surgery center.
Materials And Methods: This study compared surgical volume and outcomes of pancreas resections between the pre-pandemic (January 2019 to February 2020), early pandemic (March 2020 to January 2021), and late pandemic (February 2021 to December 2021) periods.
Purpose: Oncological esophagectomy is the mainstay in esophageal cancer treatment, but perioperative mortality remains a significant concern. Various scoring systems exist to identify patients at high risk for postoperative complications and death. In the following, we aim to evaluate and compare these different scoring systems.
View Article and Find Full Text PDFPurpose: Optimal management of retroperitoneal soft tissue sarcoma (RPS) often requires extensive tumor resections, frequently involving gastrointestinal organs. The impact of these procedures on the nutritional status and hemoglobin (Hb) levels of RPS patients remain unexplored. In this study, we aimed to evaluate preoperative nutritional status as well as the prevalence of anemia in RPS patients, and to investigate longitudinal changes throughout the disease course in order to identify potential strategies for prehabilitation.
View Article and Find Full Text PDFKSA is transforming its healthcare system by developing and implementing Clinical Practice Guidelines (CPGs), a tool designed to improve patient outcomes, standardize care, and facilitate evidence-based decision-making. CPGs are crucial in addressing healthcare disparities, thereby promoting health equity and patient experience. They are integral to KSA's healthcare transformation agenda.
View Article and Find Full Text PDFA series of novel phenylamino quinazolinone derivatives were designed and synthesized as potential tyrosinase inhibitors. Among these compounds, 9r emerged as the most potent derivative, exhibiting IC values of 17.02 ± 1.
View Article and Find Full Text PDFStrawberry (Fragaria × ananassa) is a horticultural crop known for its sensitivity to mechanical damage and susceptibility to postharvest decay. In recent years, various strategies have been implemented to enhance both the yield and quality of strawberries, among which the application of nitric oxide-producing compounds has garnered special attention. The present study aimed to investigate the effects of varying concentrations of sodium nitroprusside (SNP), specifically 0, 200, 400, and 600 μM, on strawberries (cv.
View Article and Find Full Text PDFStatement Of Problem: Denture stomatitis (DS) is a common oral disorder in patients with complete maxillary dentures. Typical treatments such as nystatin or azoles lead to drug resistance after a long period. Several studies have shown the antifungal activity of statins against Candida albicans; however, studies on the antifungal effect of atorvastatin against DS are lacking.
View Article and Find Full Text PDFPeritoneal dialysis (PD) is an increasingly needed, life-maintaining kidney replacement therapy; efficient solute transport is critical for patient outcome. While the role of peritoneal perfusion on solute transport in PD has been described, the role of cellular barriers is uncertain, the mesothelium has been considered irrelevant. We calculated peritoneal blood microvascular endothelial surface area (BESA) to mesothelial surface area (MSA) ratio in human peritonea in health, chronic kidney disease, and on PD, and performed molecular transport related gene profiling and single molecule localization microscopy in two mesothelial (MC) and two endothelial cell lines (EC).
View Article and Find Full Text PDFThe hydrophobic, hard-to-naturally-decompose compounds, including polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), and pesticides, are categorized as persistent organic pollutants (POPs). POPs are toxic/hazardous and present serious risks to human health. Electrokinetic (EK) remediation is highly flexible and cost-effective, suitable for both in-situ and ex-situ applications.
View Article and Find Full Text PDFIndian J Otolaryngol Head Neck Surg
December 2024
Background: Perfusion index is a dependable indicator for assessing the perfusion status of newborns. A low perfusion index indicates compromised hemodynamic function. The study aims to investigate perfusion index in asymptomatic newborns aged 35 to 41 weeks who did not require medical support.
View Article and Find Full Text PDFIntroduction: Methotrexate (MTX) is a widely used anti-metabolite drug in cancer therapy, but its efficacy is often hindered by reactive oxygen species (ROS)-induced cellular toxicity. Resveratrol, a natural polyphenol, possesses antioxidant and anticancer properties. Therefore, this in vitro study aimed to investigate the synergistic anti-proliferative and anti-inflammatory effects of MTX and resveratrol in human THP-1 cells.
View Article and Find Full Text PDFObjective: To investigate patency and clinical outcomes of alloplastic and other venous interposition graft materials in pancreatic surgery.
Background: Vascular pancreatic surgery is increasingly performed for locally advanced pancreatic neoplasms. Different than other centers, we prefer to use alloplastic vascular graft materials for superior mesenteric vein and portal vein interposition in pancreatic surgery.
Abstarct: BACKGROUND: Early recurrence after esophagectomy is often used as a surrogate for aggressive tumor biology and treatment failure. However, there is no standardized definition of early recurrence, and predictors for early recurrence are unknown. Therefore, we aimed to define an evidence-based cutoff to discriminate early and late recurrence and assess the influence of neoadjuvant treatment modalities for patients with esophageal or gastroesophageal-junction adenocarcinoma (EAC).
View Article and Find Full Text PDFPurpose: In the current investigation, an ultrasonic approach was performed to produce menadione sodium bisulfite-loaded solid lipid nanoparticles (MSB-SLNs) with rhamnolipid as bio-surfactant, which aimed to increase the dermal delivery and anti-pigmentation effect.
Methods: To achieve optimum delivery for MSB, the impact of the ratio of two surfactants (rhamnolipid: Tween) on nanoparticle attributes and the respective functions were evaluated. In vitro diffusion process, in vitro cytotoxicity assay, determination of melanin content of melanoma cells, L-DOPA auto-oxidation inhibitory test, and skin irritation studies carried out to investigate the suitability of MSB formulation in dermal application.
Background: Incivility in nursing education is a complex concept that is not exactly defined in nursing. The purpose of this study was to clarify the concept of incivility in nursing education in the Iranian cultural context.
Materials And Methods: Concept analysis was performed based on hybrid model in three steps.
Background: Malignant brain tumours are rare, but are important to study because survival rates are low and few modifiable risk factors have been identified. Existing evidence suggests that outdoor ultrafine particles (UFPs; particulate matter < 100 nm; sometimes referred to as nanoparticles) can deposit in the brain and could encourage initiation and progression of cancerous tumours, but epidemiological data are limited.
Methods: High-resolution estimates of outdoor UFP concentrations and size were linked to residential locations of approximately 1.