-
Scott Bond posted an update 9 hours, 32 minutes ago
43% and a FF of 0.802. Overall, this work sheds light on the great potential of thieno[3,2-b]pyrrole-based SMAs in realizing low energy loss and high PCE.
The present study aimed to investigate the dose differences and radiobiological assessment between Anisotropic Analytical Algorithm (AAA) and Acuros External Beam (AXB) with its 2 calculation models, namely, dose-to-water (AXB-Dw) and dose-to-medium (AXB-Dm), on esophageal carcinoma radiotherapy treatment plans.
The AXB-Dw and AXB-Dm plans were generated by recalculating the initial 66 AAA plans using the AXB algorithm with the same monitor units and beam parameters as those in the original plan. The dosimetric and radiobiological assessment parameters were calculated for the planning target volume (PTV) and organs at risk (OARs). The gamma agreement for the PTV and the correlation between it and the volume of the air cavity and bone among the different algorithms were compared simultaneously. The dose discrepancy between the theoretical calculation and treatment planning system (TPS) when switching from AXB-Dm to AXB-Dw was analyzed according to the composition of the structures.
The PTV dose of AXB-Dmters when the tumor particularly consisted of nonuniform tissues. A relatively small dose difference could cause a significant reduction in the corresponding TCP. Dose distribution algorithms should be carefully chosen by physicists and oncologists to improve tumor control, as well as to optimize OARs protection.
The AAA and AXB-Dw algorithms overestimated the radiobiological parameters when the tumor particularly consisted of nonuniform tissues. A relatively small dose difference could cause a significant reduction in the corresponding TCP. Dose distribution algorithms should be carefully chosen by physicists and oncologists to improve tumor control, as well as to optimize OARs protection.This study was aimed to investigate the therapeutic potentials of plant-based bioactive compounds; lutein and resveratrol alone and/or in combination with DPP-4 enzyme inhibitor; sitagliptin on the secretion and bioavailability of Glucagon like peptide-1(GLP). For this, experimental rats were divided into seven groups. Group 1 was marked as control, while other six groups received streptozotocin (60 mg/kg I.P.). Later, group 2 was kept disease-control. While group 3 received 10 mg/kg/day sitagliptin (DDP-4i). Group 4 received 40 mg/kg/day lutein (LUT) and group 5 received 30 mg/kg/day resveratrol (RES). While group 6 and 7 were received combination of DPP-4i+LUT and DPP-4i+RES, respectively. Combined administration of DPP-4i+LUT or DPP-4i+RES showed expected therapeutic effects by lowering the fasting blood glucose and maintaining the serum insulin concentrations with improved glucose sensitivity and reduced insulin resistance. Further, co-administration of LUT and RES with DPP-4i revealed beneficial effects on measures of insulin resistance, circulating lipids, glycemic index, oxidative stress, and inflammatory status along with restoration of histological morphology of pancreatic cells and enterocytes that seemed to improve the level of GLP-1. Hence, substantial verdicts of this study showing therapeutic potentials of LUT and RES would surely help to recognize the potential effects in combination with DPP-4i as stimulators of GLP-1 secretion.Geranium wallichianum D. Don ex sweet traditionally been used as home remedy for backaches, joint pain, colic, and rheumatism. The objective of this study was to investigate the therapeutic benefits of plant in an adjuvant-induced arthritis paradigm. Immune-mediated rheumatoid arthritis was developed by injecting complete Freund’s adjuvant (CFA) into the hind paws of rats and the aqueous methanolic crude extract was administered. The animals were physically monitored for changes in paw edema size and arthritic score. Cytosporone B research buy Hematological parameters and systemic inflammatory indicators evaluated. Genetic expressions of tumor necrosis factor (TNF-α), interleukins (IL-1β, IL-6), necrosis factor (NF-κB), and cyclooxygenase (COX-II) enzyme were studied using real-time qPCR. PGE2 levels in blood were quantified through Enzyme Linked Immunosorbent Assay (ELISA). On the 14th day, Immunoglobulin E (IGE) exhibited a substantial decline in paw edema and arthritic score. At the doses of 500 mg/Kg (P ≤ .05) and 1000 mg/Kg (P ≤ .001), IGE significantly reduced TNF-α, interleukins, and COX-II mRNA expression. IGE significantly lowered the MDA levels at the doses of 500 and 1000 mg/Kg (13.18 ± .70 and 9.04 ± .26 μM/L respectively) as compared to arthritic control (30.82 ± 1.12 μM/L) group. IGE significantly improved the antioxidant enzyme activities of CAT and SOD (P ≤ .001) in treated animals. TNF-α, interleukins, and COX-II mRNA expression were also significantly reduced at the doses of 300 (P ≤ .05), 500 (P ≤ .01) and 1000 mg/Kg (P ≤ .001) which were expressed as fold changes. This study shows that Geranium wallichianum D. Don ex sweet has a strong potential to alleviate immune-mediated arthritis by lowering oxidative stress and downregulating the proinflammatory cytokines signaling mechanisms.Lemierre’s syndrome is a very rare and life-threatening complication of bacterial pharyngitis and tonsillitis. Often referred to as a ‘forgotten disease’, Lemierre’s syndrome has seen a rise in cases over the years secondary to increased antibiotic resistance. With the potential for multiple organ failure secondary to widespread septic emboli, Lemierre’s syndrome can no longer be forgotten. Prompt initiation of treatment is needed for better patient outcomes. We describe an unusual case of a young female without any significant past medical history who presented with left-sided pleuritic chest pain several days after experiencing a sore throat.
To understand sleep quality, oxidative stress levels, and heart rate variability (HRV) in subjects with hypertension. This study aims to create baseline data in hypertensive subjects to research the possibility of further estimating the risk of developing cardiovascular mortality and morbidity in a patient with hypertension.
This analytical cross-sectional study, encompassing 128 study subjects of both genders, with 64 hypertensive subjects, analyse the co-relation of sleep quality, malondialdehyde, and heart rate variability in hypertensive and normotensive subjects. The study was done in a tertiary teaching institute in northern India for 14 months. Descriptive statistics were used, and the independent t-test, Mann-Whitney U test, and Chi-square were used to find the association among the variables. Linear regression was used to estimate the effect of blood pressure on malondialdehyde levels.
Subjects with hypertension were found to have poor sleep quality (Global PSQI score ≥5, p=0.0001) and an increased malondialdehyde level (0.30303±0.17193 µM/L, p=0.0001). The hypertensive subjects were found to have lower parasympathetic activity as indicated by low high frequency (2.79463±473.220280; p=0.0001) and increased sympathetic activity; low frequency/high frequency (2.29823±2.792441; p=0.0001). Multivariate linear regression predicts that with one unit increase in systolic blood pressure, the malondialdehyde level increases by 0.006 units (p=0.002; 95% CI).
Among the hypertensive group, there is significantly increased oxidative stress level, poor quality of sleep, and increased sympathetic activity, thereby predisposing the subjects to increased risk of cardiac morbidity and mortality.
Among the hypertensive group, there is significantly increased oxidative stress level, poor quality of sleep, and increased sympathetic activity, thereby predisposing the subjects to increased risk of cardiac morbidity and mortality.Fungal infections due to Fusarium species are serious albeit rare and mostly occur in severely immunocompromised patients. The prognosis of such infections, especially of disseminated manifestations, is poor as a result of multi-antifungal resistance, particularly to azoles. We report a case of a rapidly progressive necrotizing fasciitis of the foot secondary to Fusarium solani in a young female patient with acute lymphoblastic leukemia on consolidation therapy. Surgical debridement was undertaken and liposomal amphotericin was given as definitive therapy for a total of six weeks followed by secondary prophylaxis that resulted in remarked clinical and radiological improvement. High clinical suspicion, prompt surgical intervention, rapid diagnosis, and timely initiation of appropriate antifungal therapy are crucial for a favorable outcome in this relatively uncommon life-threatening infection.
Most studies addressing non-operative management for acute appendicitis have focused on adults, and there are limited data available for children. We aimed to evaluate the results of successfulnon-operative management in children with acute uncomplicated appendicitis with our “additional criteria” and find which factors could be affecting the success rate and which cases could be candidates for non-operative management.
A total of 54 patients who were diagnosed with acute uncomplicated appendicitis and received non-operative management were re-evaluated retrospectively. Defining uncomplicated appendicitis was based onthe duration of symptoms (<24 hours), clinical history, and radiologic findings. The radiologic evaluation was based on ultrasonography and computed tomography. The patients received an intravenousantibiotic combination (sulbactam/ampicillin, gentamicin, clindamycin) for five days at the hospital; the treatment was completed after 10 days with an oral antibiotic combination (amoxicillin/clr criteria was satisfactory and initial success rates were excellent.Infective Endocarditis (IE) refers to an infection of the endocardial surface of the heart which leads to a wide array of complications, including heart failure, perivalvular abscess, metastatic infection, septic embolization, mycotic aneurysms, neurological and renal complications. Mitral leaflet flail (MLF), defined as a failure of leaflet coaptation with the rapid systolic movement of the involved leaflet into the left atrium, is a rare complication of IE which can lead to severe mitral regurgitation. Echocardiography plays a key role in making its diagnosis with transesophageal echocardiograms (TEE), providing greater sensitivity and specificity compared to transthoracic echocardiograms (TTE). MLF is often misdiagnosed, or diagnosis is delayed due to its presentation with non-specific cardiac symptoms. However, early diagnosis with echocardiography and prompt surgical correction leads to improved long-term survival. Here we have presented a case of a 71-year-old female with a past medical history of IE nine years ago who was referred to the cardiology clinic for one month of exertional dyspnea. TTE showed severe mitral regurgitation, and subsequent TEE confirmed flail mitral leaflet.Mesenteric venous thrombosis is a rare condition that can result in morbid and sometimes fatal consequences. Conventional approaches have been to either resect and raise a stoma and/or anticoagulate. The disadvantage is that the conventional approaches do not address the underlying thrombus. This sometimes can lead to a downward spiral of worsening ischaemia culminating in further resections leading to loss of bowel length and subsequent short bowel syndrome. In this article, we present a case series that describes four possible approaches (1) expectant management with anticoagulation, (2) resect, anti-coagulate, and reanastamose, (3) surgical thrombectomy (using Fogarty catheter), and (4) radiological thrombectomy. The technique along with criteria for different approaches are described.