28 research outputs found

    ANTIPROLIFERATIVE EFFECT OF FLOWER EXTRACTS OF SPILANTHES PANICULATA ON HEPATIC CARCINOMA CELLS

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    Objective: The development and evaluation of new antiproliferative drugs obtained from natural resources has gained its importance because of their less cytotoxic properties. There is no such report regarding antiproliferative effect of Spilanthes paniculata Linn. flower. Therefore, the present study was undertaken to evaluate the antiproliferative effect of Spilanthes paniculata Linn. flower.Methods: In order to achieve this goal, the dried flowers were extracted in petroleum ether, ethyl acetate and ethanol. All these three extracts of varying concentrations were subjected to further evaluation of antiproliferative action on human hepatoma cell line (Huh-7 cells). In order to understand the mechanism of antiproliferative effect of these three extracts, various studies like caspase-3 enzyme assay, DNA transillumination assay and receptor tyrosine kinase profiling were performed. Separately, we estimated total flavonoid and phenolic contents and in vitro free radical scavenging properties of these extracts.Results: The results indicated that both ethyl acetate and ethanol extracts possessed antiproliferative effect on Huh-7 cells because of their induction of caspase-3 enzymes and inhibition of phosphorylation of various tyrosine kinases. It was observed that during the transillumination assay of the ethyl acetate and ethanol extracts, DNA of Huh-7 cells were also degraded. It was also found that these two extracts possessed potent antiproliferative effect on Huh-7 cells due to the presence of rich amount of phenols and flavonoids.Conclusion: Based on our data, both ethyl acetate and ethanol extracts might be beneficial for the future development of antiproliferative therapeutics in drug design perspective. Â

    Early mobilisation in critically ill COVID-19 patients: a subanalysis of the ESICM-initiated UNITE-COVID observational study

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    Background Early mobilisation (EM) is an intervention that may improve the outcome of critically ill patients. There is limited data on EM in COVID-19 patients and its use during the first pandemic wave. Methods This is a pre-planned subanalysis of the ESICM UNITE-COVID, an international multicenter observational study involving critically ill COVID-19 patients in the ICU between February 15th and May 15th, 2020. We analysed variables associated with the initiation of EM (within 72 h of ICU admission) and explored the impact of EM on mortality, ICU and hospital length of stay, as well as discharge location. Statistical analyses were done using (generalised) linear mixed-effect models and ANOVAs. Results Mobilisation data from 4190 patients from 280 ICUs in 45 countries were analysed. 1114 (26.6%) of these patients received mobilisation within 72 h after ICU admission; 3076 (73.4%) did not. In our analysis of factors associated with EM, mechanical ventilation at admission (OR 0.29; 95% CI 0.25, 0.35; p = 0.001), higher age (OR 0.99; 95% CI 0.98, 1.00; p ≤ 0.001), pre-existing asthma (OR 0.84; 95% CI 0.73, 0.98; p = 0.028), and pre-existing kidney disease (OR 0.84; 95% CI 0.71, 0.99; p = 0.036) were negatively associated with the initiation of EM. EM was associated with a higher chance of being discharged home (OR 1.31; 95% CI 1.08, 1.58; p = 0.007) but was not associated with length of stay in ICU (adj. difference 0.91 days; 95% CI − 0.47, 1.37, p = 0.34) and hospital (adj. difference 1.4 days; 95% CI − 0.62, 2.35, p = 0.24) or mortality (OR 0.88; 95% CI 0.7, 1.09, p = 0.24) when adjusted for covariates. Conclusions Our findings demonstrate that a quarter of COVID-19 patients received EM. There was no association found between EM in COVID-19 patients' ICU and hospital length of stay or mortality. However, EM in COVID-19 patients was associated with increased odds of being discharged home rather than to a care facility. Trial registration ClinicalTrials.gov: NCT04836065 (retrospectively registered April 8th 2021)

    Prevalence, associated factors and outcomes of pressure injuries in adult intensive care unit patients: the DecubICUs study

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    Funder: European Society of Intensive Care Medicine; doi: http://dx.doi.org/10.13039/501100013347Funder: Flemish Society for Critical Care NursesAbstract: Purpose: Intensive care unit (ICU) patients are particularly susceptible to developing pressure injuries. Epidemiologic data is however unavailable. We aimed to provide an international picture of the extent of pressure injuries and factors associated with ICU-acquired pressure injuries in adult ICU patients. Methods: International 1-day point-prevalence study; follow-up for outcome assessment until hospital discharge (maximum 12 weeks). Factors associated with ICU-acquired pressure injury and hospital mortality were assessed by generalised linear mixed-effects regression analysis. Results: Data from 13,254 patients in 1117 ICUs (90 countries) revealed 6747 pressure injuries; 3997 (59.2%) were ICU-acquired. Overall prevalence was 26.6% (95% confidence interval [CI] 25.9–27.3). ICU-acquired prevalence was 16.2% (95% CI 15.6–16.8). Sacrum (37%) and heels (19.5%) were most affected. Factors independently associated with ICU-acquired pressure injuries were older age, male sex, being underweight, emergency surgery, higher Simplified Acute Physiology Score II, Braden score 3 days, comorbidities (chronic obstructive pulmonary disease, immunodeficiency), organ support (renal replacement, mechanical ventilation on ICU admission), and being in a low or lower-middle income-economy. Gradually increasing associations with mortality were identified for increasing severity of pressure injury: stage I (odds ratio [OR] 1.5; 95% CI 1.2–1.8), stage II (OR 1.6; 95% CI 1.4–1.9), and stage III or worse (OR 2.8; 95% CI 2.3–3.3). Conclusion: Pressure injuries are common in adult ICU patients. ICU-acquired pressure injuries are associated with mainly intrinsic factors and mortality. Optimal care standards, increased awareness, appropriate resource allocation, and further research into optimal prevention are pivotal to tackle this important patient safety threat

    A review on TORCH groups of congenital infection during pregnancy

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    Abstract TORCH, includes Toxoplasmosis, Other (syphilis, varicella-zoster, parvovirus B19, Hepatitis B), Rubella, Cytomegalovirus (CMV), and Herpes infections are some of the most common infections associated with congenital anomalies. Most of the TORCH infections have serious fetal consequences and there has no impact on fetal outcome. In the present article, we wanted to discuss about the causative agents/organism, mode of infection, symptoms, treatment, vaccination, available molecular biological techniques and public awareness regarding this infection

    A MAC protocol for Multi Frequency Physical Layer

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    Existing MAC protocols for wireless LAN systems assume that a particular node can operate on only one frequency and that most/all of the nodes operate on the same frequency. We propose a MAC protocol for use in an ad hoc network of mobile nodes using a wireless LAN system that defines multiple independent frequency channels. Each node can switch quickly from one channel to another but can operate on one channel at a time. We simulate the proposed protocol by modifying the wireless extension. Our simulations show that the proposed protocol, though simple, is capable of much better performance in the presence of multiple independent channels than IEEE 802.11which assumes a single frequency channel for all nodes. As expected, the proposed protocol works as well as IEEE 802.11 in the presence of a single channel

    Factors associated with success in the oral part of the European Diploma in Intensive Care

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    Introduction: The oral part of European Diploma in Intensive Care diploma examinations changed in 2013 into an objective structured clinical examination-type exam. This step was undertaken to provide a fair and reproducible clinical exam. All candidates face identical questions with predefined correct answers simultaneously in seven high throughput exam centres on the same day. We describe the factors that are associated with success in part 2 European Diploma in Intensive Care exam. Methods: We prospectively collected self-reported data from all candidates sitting European Diploma in Intensive Care part 2 in 2015, namely demographics, professional background and attendance to a European Diploma in Intensive Care part 2 or generic objective structured clinical examination preparatory courses. After testing association with success (with cutoff at p < 0.10) and co-linearity of these factors as independent variables, we performed a multivariate logistical analysis, with binary exam outcome (pass/fail) as the dependent variable. Structural equation modelling was used to gain further insight into relations among determinants of success in the oral part of the European Diploma in Intensive Care. Results: Out of 427 candidates sitting the exam, completed data from 341 (80%) were available for analysis. The following candidates' factors were associated with increased chance of success: English as native language (odds ratio 4.3 (95% CI 1.7–10.7)), use of Patient-centred Acute Care Training e-learning programme module (odds ratios 2.0 (1.2–3.3)), working in an EU country (odds ratios 2.5 (1.5–4.3)), and better results in the written part of the European Diploma in Intensive Care (for each additional SD of 6.1 points odds ratios 1.9 (1.4–2.4)). Chance of success in the European Diploma in Intensive Care 2 decreased with increased candidates ‘age (for each additional SD of 5.5 years odds ratios 0.67 (0.51–0.87)). Exam centres (7 in total) could be clustered into 3 groups with similar success rates. There were significant differences in exam outcomes among these 3 groups of exam centres even after adjustment to known candidates' factors (G1 vs G2 odds ratios 2.4 (1.4–4.1); G1 vs G3 odds ratios 9.7 (4.0–23.1) and G2 vs G3 odds ratios 3.9 (1.7–9.2)). A short data collection period (only one year) and 20% of missing candidates' data are the main limitations of this study. Conclusions: Younger age, English as native language, better results in written part of the exam, working at a European country and the use of PACT for preparation, were factors associated with success in the oral part of the European Diploma in Intensive Care exam. Despite the limitations of this study, the differences in outcome among the exam centres will need further investigation
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