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PURPOSE Homer's Iliad reports detailed descriptions of war traumas, with precise anatomical references, so that the Iliad can be considered the first trauma registry. We aimed to analyse the Iliad from the perspective of a modern trauma registry that is, to find historical and local prognostic factors through the epidemiological study of the reported traumas. METHODS Two different editions of Homer's Iliad-one in English and one in Italian-were thoroughly studied and epidemiological data were statistically analysed. RESULTS 148 reports of human traumas were analysed. The majority of traumas (73.6%) involved Trojan warriors, with spears being the most frequent wounding agent (71%). Overall mortality was 84.5% and was higher in the Trojan field (90.8% vs 61.5%). Despite the high mortality, median New Injury Severity Score (NISS) was low, probably due to high prevalence of penetrating mono-systemic trauma. Median NISS was higher in the Trojan group. Compared to the Achaeans, the Trojans had more torso injuries, whereas Achaeans had more injuries to limbs and superficial tissues. However, in both fields, head and neck were more frequently injured. CONCLUSIONS Homer's Iliad gives us an interesting insight into war traumas during the siege of Troy. The reported higher mortality within the Trojan army can be explained not only by poetic reasons but also by different military skills.PURPOSE To investigate the mechanisms and severity of injuries of e-bikers compared with conventional bicycle (CB) users at the emergency department (ED) of a level 2 trauma center in the Netherlands. METHODS We performed a prospective observational study. All patients ≥ 16 years who presented at the ED with an e-bike or conventional bicycle accident were eligible for inclusion. Primary outcomes were mechanisms and severity of injury. Injury severity was defined by the abbreviated injury score and the injury severity score (ISS). Data were analyzed using SPSS (IBM version 24). RESULTS A total of 78 e-bikers and 91 CB, were included. The mean age of the e-bikers was 66.9 ± 13.6 years (CB 45.2 ± 20.5 years, P less then 0.001). The Charlson comorbidity index was higher in e-bikers (3.1 vs. 1.2, P less then 0.001). Mechanism of injury and ISS did not differ between the groups (median ISS 4.0), even though two e-bikers were severely injured (ISS ≥ 16). Alcohol was consumed twice as frequently in CB-related injuries (40% vs. 19.2%, P less then 0.01). CONCLUSION In this cohort of bicycle injuries in the ED of a level 2 trauma center, e-bikers were older and had more comorbidities than CB users. click here Except for a higher rate of thoracic and soft-tissue trauma in e-bikers, no differences were found in the mechanism and severity of injury. While it is important to note that helmet use and alcohol avoidance have demonstrable health benefits for bicyclists, further studies to quantify these benefits are recommended.PURPOSE The association of TBI with socioeconomic characteristics of patients has not been studied extensively. The objective of this study was to analyse the differences in injury characteristics and outcome in TBI patients based on their occupational status. METHODS Data on patients from 13 centres based in Austria, Croatia, Slovakia, Bosnia and Herzegovina, and Macedonia were included in the analysis. Demographic characteristics, injury characteristics, treatment and outcome at various post-injury stages were compared according to occupational status. Logistic regression was used to adjust for the effect of co-variates. ICU mortality, hospital mortality, 6 months mortality, and outcome at 6 months were used as dependent variables. RESULTS Overall, 886 patients were analysed with a mean age of 45.5 years. High-level falls were most prevalent in the blue-collar group (19%), most low-level falls occurred in the retired group. Traffic accidents were most common in students. The injuries were most severe in the blue-collar group and students. Highest mortalities and unfavourable outcomes were in the retired, students and white-collar workers had the best outcomes. Compared to retired patients, all groups had higher odds of favourable outcome at 6 months after adjusting for co-variates-OR from 2.2 (95% CI 1.1-4.6) for entrepreneurs to 3.6 (95% CI 1.8-7.2) for the blue-collar group. CONCLUSION Our paper provides clues pertaining specifically to variations in patterns and outcomes of TBI according to occupational status which can inform prevention and planning of services and can serve to plan priorities for further research.OBJECTIVE To evaluate the role of K+ channels in pain following gouty arthritis. METHODS The model of acute gouty arthritis was induced by monosodium urate (MSU) in mice. The swelling degree was determined by measuring the circumference of the ankle joint. Mechanical hyperalgesia was detected by von Frey filaments. Two types of K+ currents, A-type currents (IA) and delayed rectifier currents (IK), were recorded in dorsal root ganglion (DRG) neurons using patch-clamp techniques. RESULTS The swelling degree reached its maximum at 10 h and the minimum pain threshold was maintained between 8 and 48 h after MSU treatment in mice. The amplitudes of IA and IK in DRG neurons were moderately increased on day 1 after MSU treatment, and then, they were gradually decreased with times and reached their minimums on day 4 (for IA) or 5 (for IK). Compared with control group, the activation curve of IA was significantly shifted to more positive potential and the recovery time of IA from inactivation was markedly prolonged, but inactivation and frequency dependence of IA appeared unaffected in MSU-treated group. Additionally, no change was observed in the activation curve of IK after MSU treatment. The excitability was significantly higher in the MSU group than in the control group. CONCLUSIONS MSU-induced gout pain may be related to the hyperexcitability of DRG neurons elicited by decreasing K+ currents.Rainfall is a main cause of soil erosion which varies spatially and temporarily. R-factor is an erosive power of the rainfall that is responsible for soil detachment and subsequent displacement. Mathematically, it is expressed as a sum of the product of kinetic energy and maximum 30-min rain intensity. A precise assessment of R-factor needs higher temporal resolution rainfall data (sub-hourly) for a period of several years, which is rarely available. Many empirical approaches are used to predict R-factor as a function of mean monthly and annual rainfall amount. In this study, we used Loureiro and Countinho (Journal of Hydrology 25012-18, 2001) approximation approach to estimate R-factor and explore its intra-annual variability using 30 years (1986-2015) of daily rainfall data from 280 stations distributed across Nepal. This study employs different intra-annual variability indices and calculates erosivity density (ED) and weighted erosivity density (WED). The country average mean annual R-factor (MAR), annual ning, and agricultural production.PURPOSE Otorhinolaryngological manifestations are common symptoms of COVID-19. This study provides a brief and precise review of the current knowledge regarding COVID-19, including disease transmission, clinical characteristics, diagnosis, and potential treatment. The article focused on COVID-19-related information useful in otolaryngologist practice. METHODS The Medline and Web of Science databases were searched without a time limit using terms "COVID-19", "SARS-CoV-2" in conjunction with "otorhinolaryngological manifestation", "ENT", and "olfaction". RESULTS The most common otolaryngological dysfunctions of COVID-19 were cough, sore throat, and dyspnea. Rhinorrhea, nasal congestion and dizziness were also present. COVID-19 could manifest as an isolated sudden hyposmia/anosmia. Upper respiratory tract (URT) symptoms were commonly observed in younger patients and usually appeared initially. They could be present even before the molecular confirmation of SARS-CoV-2. Otolaryngologists are of great risk of becoming infected with SARS-CoV-2 as they cope with URT. ENT surgeons could be easily infected by SARS-CoV-2 during performing surgery in COVID-19 patients. CONCLUSION Ear, nose and throat (ENT) symptoms may precede the development of severe COVID-19. During COVID-19 pandemic, patients with cough, sore throat, dyspnea, hyposmia/anosmia and a history of travel to the region with confirmed COVID-19 patients, should be considered as potential COVID-19 cases. An otolaryngologist should wear FFP3/N95 mask, glasses, disposable and fluid resistant gloves and gown while examining such individuals. Not urgent ENT surgeries should be postponed. Additional studies analyzing why some patients develop ENT symptoms during COVID-19 and others do not are needed. Further research is needed to determine the mechanism leading to anosmia.The extent to which migratory bats forage at stopover sites or while in migratory flight is poorly understood. Endogenous fat stores have lower δ13C values relative to the dietary substrates from which they were synthesized, and so, the fed versus fasted state of bats should be discernable by comparing their breath δ13C at capture to that after a known period of fasting. We captured silver-haired bats (Lasionycteris noctivagans) at a stopover site at Long Point, Ontario, Canada, during spring and fall migration. We collected breath samples at capture and after fasting in captivity for 12 h, providing a fasted-state δ13C value corresponding to metabolism of fat stores. We also collected and weighed fecal pellets produced while in captivity. Breath δ13C values at capture were positively correlated with mass of feces produced. During spring migration, δ13C values of breath CO2 at capture were low and similar to fasting values, but increased with date consistent with increased foraging at stopover and reliance on exogenous dietary nutrients as the season progressed. The opposite temporal pattern was found during fall migration. Our findings suggest that bats forage during migratory stopover when environmental conditions permit despite potential time trade-offs between feeding and travel, and the energy savings resulting from torpor during roosting. This study provides insight into the eco-physiology of bat migration and shows the importance of foraging habitat for migratory bats.Ecologists have long wondered how plants and algae persist under constant herbivory, and studies have shown that factors like chemical defense and morphology can protect these species from consumption. However, grazers are also highly diverse and exert varying top-down control over primary producers depending on traits such as body size. Moreover, susceptibility of plants and algae to herbivory may vary across life stages and size classes, with juveniles potentially the most vulnerable. Here, we focus on diverse grazing communities within giant kelp forests and compared consumption on two size classes of juvenile giant kelp (Macrocystis pyrifera) across four herbivore species ranging in size. We also integrated field and literature densities to estimate impacts on populations of juvenile kelp. We found that purple sea urchins, a species known for exerting strong control over adult M. pyrifera, had weak per capita impact on microscopic kelp, on par with a much smaller crustacean species. While urchin consumption increased with macroscopic juvenile kelp, it never surpassed the smaller brown turban snail, suggesting that feeding morphology, in addition to herbivore body size, is a predictor of consumption at these small size classes.
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