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This review article discusses current knowledge on immune checkpoint inhibitors in clinical practice, and provides an overview of a variety of markers evaluated to predict benefit of immunotherapy and of promising new strategies to enhance immune response and enable more patients to benefit from immunotherapy.Indicators of ecosystem health are effective tools to assess freshwater ecosystem impairment. However, they are scarcely used as a monitoring tool by local environmental agencies in Argentina. Here, we review the literature to analyze the use of ecosystem health indicators in freshwaters from Argentina. We found 91 scientific articles relating to the use of ecological indices to assess the impact of different environmental stressors in aquatic environments published between 1996 and 2019. We generated Google Earth map where we deployed the sampling sites and type of indices reported by each article. As biological indices were the most used, we also surveyed bioindication experts to gather information on their application. We found that most studies were concentrated mainly in Pampas (34%), Dry Chaco (20%), Espinal (12%), and Patagonian Steppe (10%) ecoregions. Biological indices (mainly with invertebrates) were more used than geomorphological or physico-chemical indices. Indices resulted useful to evaluate the impact of stressors in 63% of cases, being land use the most studied stressor. However, sampling design varied greatly among studies, making their comparison difficult. The information compiled here could help to the design of monitoring protocols, the adoption of regional indices, and the creation of a national inventory of ecosystem health status, which are mandatory to propose well-grounded conservation and management policies for freshwaters in Argentina.
In the head-to-head trial (SUSTAIN 7), the novel, injectable, once-weekly GLP-1 analogue semaglutide showed superiority in both glycemic outcomes and body weight reduction, compared with once-weeklydulaglutide in the treatment of type 2 diabetes (T2D). However, no economic evaluation using these data has yet been conducted in the Japanese setting. The objective of this analysis was to assess the short-term cost-effectiveness in Japan of once-weekly semaglutide 0.5mg (the approved maintenance dose in Japan) compared withonce-weekly dulaglutide 0.75mg (the only licensed dose in Japan) over a 1-year period using Japanese cost data.
Responder endpoints were obtained from the SUSTAIN 7 trial to assess the cost of successfully treating patients to these targets ("cost of control"). Responder endpoint definitions consisted of single, dual, and triple composite endpoints related to glycemic control, body weight, and hypoglycemia outcomes. The cost of treatment was accounted from a healthcare payer perspective, ca treatment option compared with once-weekly dulaglutide for patients with T2D in Japan. In the future, this finding should be extrapolated to traditional long-term cost-effectiveness analysis, using common outcomes such as quality-adjusted life years.
To evaluate the effect of the positioning from the supine position (SP) to the prone position (PP) on the diaphragm activity in ventilated patients; using the ultrasound (US) imaging.
A cross-sectional comparative study before/after PP was conducted on 40 ICU patients over 18years who received invasive ventilation (IV) for at least 48h. The considered ventilator modes were assisted control volume with a low trigger flow (between - 2 and 2L/mn) and pressure support mode. US diaphragmatic assessments were performed at SP and at 60min of PP. Dehydrogenase inhibitor Both End-inspiratory and End-expiratory diameters (EID/EED) were taken at 3 levels of axillary lines and determined by the average values of multiple measures. Diaphragmatic thickening fraction (DTF) was calculated as DTF = (EID - EED/EED) × 100. Pairing and ANOVA tests were used for comparisons.
Forty ventilated patients (42years of median age) at 4days [2-7] of median duration of ventilation were examined during the two positions SP versus PP. EID decreased from the SP to the PP (2.8mm in SP vs. 2.4mm in PP, p = 0.001). No difference was showed regarding the expiratory thickness. Overall, DTF didn't change in PP (37.4 vs. 42.05%, p = 0.36). When the patient was placed in PP, the best DTF value was showed at the posterior part of diaphragm (posterior 45%, median 31% and anterior 38%, p = 0.049).
The ventral placement in ventilated patients reduced end-inspiratory diameter and tended to decrease DTF. In PP, the best contractile activity was detected at the posterior region of diaphragm.
The ventral placement in ventilated patients reduced end-inspiratory diameter and tended to decrease DTF. In PP, the best contractile activity was detected at the posterior region of diaphragm.
The length of time a critically ill coronavirus disease 2019 (COVID-19) patient remains infectious and should therefore be isolated remains unknown. This prospective study was undertaken in critically ill patients to evaluate the reliability of single negative real-time polymerase chain reaction (RT-PCR) in lower tracheal aspirates (LTA) in predicting a second negative test and to analyze clinical factors potentially influencing the viral shedding.
From April 9, 2020 onwards, intubated COVID-19 patients treated in the intensive care unit were systematically evaluated for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) by RT-PCR of nasopharyngeal swabs and LTA. The time to negativity was defined as the time between the onset of symptoms and the viral clearance in LTA. In order to identify risk factors for prolonged viral shedding, we used univariate and multivariate Cox proportional hazards models.
Forty-eight intubated SARS-CoV-2 patients were enrolled. Overall, we observed that the association of the first negative RT-PCR with a second negative result was 96.7%. Median viral shedding was 25 (IQR 21.5-28) days since symptoms' onset. In the univariate Cox model analysis, type 2 diabetes mellitus was associated with a prolonged viral RNA shedding (hazard ratio [HR] 0.41, 95% CI 0.06-3.11, p = 0.04). In the multivariate Cox model analysis, type 2 diabetes was associated with a prolonged viral RNA shedding (HR 0.31, 95% CI 0.11-0.89, p = 0.029).
Intubated patients with type 2 diabetes mellitus may have prolonged SARS-CoV-2 shedding. In critically ill COVID-19 patients, one negative LTA should be sufficient to assess and exclude infectivity.
Intubated patients with type 2 diabetes mellitus may have prolonged SARS-CoV-2 shedding. In critically ill COVID-19 patients, one negative LTA should be sufficient to assess and exclude infectivity.
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