For task-relevant items only, we found longer fixation duration and higher SRP amplitudes for first fixations than for refixations over the occipital region and the opposite effect over the frontal region. Our findings provide first neurophysiological evidence that working memory loading of task-relevant information at fixation affects saccade planning.An interesting case of dual tachycardia with coexisting atrial fibrillation and idiopathic left ventricular tachycardia is presented wherein transient ventricular bigeminal rhythm was observed. Severe congenital chylothorax (SCC) may result in respiratory failure, malnutrition, immunodeficiency, and sepsis. Although typically managed with bowel rest, parenteral nutrition, and octreotide, persistent chylothoraces require surgical management. At our institution, a pleurectomy, unilateral or bilateral, in combination with mechanical pleurodesis and thoracic duct ligation is performed for SCC, and we describe our approach and outcomes. We reviewed over 15-year period neonatal patients with SCC managed surgically with pleurectomy after medical therapy was unsuccessful. Patients were divided into two groups those who underwent pleurectomy within 28d of diagnosis (early group) and those who underwent pleurectomy after 28d (late group). Resolution of chylothorax was defined by the absence of clinical symptoms as well as absent or minimal pleural effusion on chest X-ray. Of 40 patients diagnosed with SCC over the study period, 15 underwent pleurectomy, eight early [mean time to operation=20 (IQR 17, 23) d] and 7 late [59 (42, 75) d, P=0.001]. Overall survival was 67% (10 of 15). Seven of 8 (88%) neonates who underwent early pleurectomy survived versus 3 of 7 (43%) who underwent late pleurectomy (P=0.07). Length of stay was lower in the early group than the late group [73 (57, 79) versus 102 (109, 213) d, P=0.05]. All patients who survived to discharge had resolution of their chylothorax. Pleurectomy with mechanical pleurodesis and thoracic duct ligation is effective in the management of severe congenital chylothorax. When performed earlier, pleurectomy for severe congenital chylothorax may be associated with improved survival and shorter hospital length of stay. Pleurectomy with mechanical pleurodesis and thoracic duct ligation is effective in the management of severe congenital chylothorax. When performed earlier, pleurectomy for severe congenital chylothorax may be associated with improved survival and shorter hospital length of stay. Computed tomography (CT) scan quantifying skeletal muscle mass is the gold standard tool to identify sarcopenia. https://www.selleckchem.com/products/triparanol-mer-29.html Unfortunately, high cost, limited availability, and radiation exposure limit its use. We suggest that ultrasound of the thigh muscle could be an objective, reproducible, portable, and risk-free tool, used as a surrogate to a CT scan, to help identify frail patients with sarcopenia. We included 49 patients over 64y old, referred to the acute care surgery service. An ultrasound of thigh muscle thickness was standardized to patient thigh length (U/S ). CT skeletal muscle index (SMI) was calculated using skeletal muscle surface area of the L3 region divided by height . Frailty status was assessed using the Canadian Study of Healthy Aging Clinical Frailty Scale. The mean (SD) age was 76 (8) y, and 34% (n=17) were men. CT-defined sarcopenia was identified in 65% (n=11) of men and 75% (n=24) of women. In general, women had longer stay in hospital than men (mean+SD 14±9 versus 7±3d, P=0.003). There was a significant positive correlation between thigh U/S and CT SMI. There was an inverse correlation between thigh U/S and frailty score; a similar relationship was observed between CT SMI and frailty. There was an association between U/S and postoperative major complications. This prospective observational study illustrates that the U/S index can be used as a surrogate to CT scan, whereby it can identify elderly frail patients with sarcopenia. Thigh ultrasound should be further tested as an objective tool to assess for stratifying frailty. This prospective observational study illustrates that the U/Swhole/L index can be used as a surrogate to CT scan, whereby it can identify elderly frail patients with sarcopenia. Thigh ultrasound should be further tested as an objective tool to assess for stratifying frailty.Many indicators are involved in monitoring water quality. For instance, the fecal indicator bacteria are extremely important to detect the water quality. For this purpose, to better predict the total coliforms at the outlet of a Multi-Soil-Layering (MSL) system designed to treat domestic wastewater in rural areas, a neural network model has been developed and compared with linear regression model. The data was collected from the raw and treated wastewater of a three MSL systems during a one-year period in rural village, in Al-Haouz Province, Morocco. Fifteen physicochemical and bacteriological variables have undergone feature selection to select the best ones for predicting the total coliforms concentration in the effluent of MSL system. Furthermore, 80% of the available dataset were used to train and optimize the neural model using repeated cross validation technique. The remaining part (20%) was used to test the developed model. The neural network indicated excellent results compared to the linear regression. The optimal model was a neural network with one hidden layer and 11 neurons, where the R2 was about 97%. The importance analysis of each predictor was established, and it was found that pH and total suspended solids had the greatest influence on the total coliforms removal.Bath treatment chemotherapeutants, used to control sea lice infestations in the salmonid aquaculture industry, are released directly into the marine environment around fish farms and pose a serious risk to non-target species, particularly crustaceans. Hydrogen peroxide (H2O2) is the most frequently used bath treatment chemotherapeutant on Norwegian fish farms, however, limited information is available on its toxicity to European lobsters (Homarus gammarus), a commercially important species at risk of exposure due to its distribution overlapping with salmon farm locations. The aim of this study was to investigate the lethal effects of H2O2 on pelagic (stage I-IV) larvae/post-larvae and its sub-lethal effects on the benthic stage V H. gammarus. To assess the lethal effects of H2O2, we carried out a series of 1 h toxicity tests and assessed mortality after a 24 h post-exposure period. Exposure to H2O2 was toxic to all pelagic larval stages tested, with estimated median lethal concentrations (LC50) of 177, 404, 665 and 737 mg/L for stage I, II, III and IV, respectively.