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17 ms, control 399±1.95 ms) and choice reaction time conditions (ACLR 550±43 ms, control 445±43 ms). No other group differences were found in any of the other measures. CONCLUSION Overall, ACLR individuals had a reduced ability to respond quickly under more challenging postural conditions (i.e., stepping response). This finding would indicate that the impact of an ACLR is not purely mechanical and restricted to the joint. Rather, injury and reconstruction of the ACL impacts neural mechanisms, altering individuals' ability to respond under challenging balance tasks. This article is protected by copyright. All rights reserved.In ovo injection of nano-selenium (Se) produced by lactic acid bacteria (LAB-nano-Se) was investigated on the hatchability, immune responses and the histopathological alterations in hatched chicks. The eggs (18 day age) were injected with 0.5 ml of 0.9% NaCl (normal saline, NS), while the control group was kept without injection. In the third, fourth and fifth groups, the eggs were injected with 0.5 ml of NS and LAB-nano-Se at 10, 20 and 30 μg/egg. The results revealed improved growth performance in groups injected with LAB-nano-Se when compared to the control treatment. The highest final weight and weight gain were noticed in 20 μg LAB-nano-Se/egg group (p .05) differences with those treated with LAB-nano-Se at 30 μg/egg using in ovo injection technique. Also, higher total blood protein and phagocytosis were significantly observed in groups treated with at 10, 20 and 30 μg LAB-nano-Se/egg. The histopathological images of hatched chicks revealed that nano-Se presented normal effects on liver and kidney tissues and restored the parameters as mentioned earlier. To conclude, LAB-nano-Se exhibited beneficial effects in hatched chicks through improving immune and antioxidant activities as well as histopathological effects by using in ovo technique. © 2020 Blackwell Verlag GmbH.Infants requiring anesthesia often require intravenous access (IV). However, IV access may be difficultbecause of small vessels. Cannulation of larger veins such as thesaphenous vein have been described in the literature (1). A potential alternative to the saphenous is the cephalic vein (CV), which has been utilized in the deltopectoral trianglefor central access, pacemaker implantation, and defibrillator implantation (2). VE-822 order The purpose of this study is to better characterize the CVin children 1 year old or less for potential as a blind cannulationsite. This article is protected by copyright. All rights reserved.A mineral-targeted form of recombinant tissue-nonspecific alkaline phosphatase (TNAP), asfotase alfa, was approved multinationally as an enzyme replacement therapy for hypophosphatasia in 2015. Two reports to date have shown evidence of binding of this drug to mineralizing tissues using histochemistry and immunohistochemistry. Here, we sought to expand on those earlier studies by directly visualizing the in vivo binding of asfotase alfa conjugated with AnaTag HiLyte Fluor 750 or Alexa Fluor 647 fluorescent dye to sites of skeletal/dental mineralization and ectopic calcification. We utilized 40-day-old Tagln-Cre; Hprt ALPL/Y mice, a model of severe medial vascular calcification; Tie2-Cre; Hprt ALPL/Y mice, a model of severe intimal calcification; and sibling WT Hprt ALPL/Y mice, devoid of soft-tissue calcification. A single dose of 8 mg/kg labeled asfotase alfa was injected via the retro-orbital route. Skeletal tissues and soft organs were imaged ex vivo 2 days after the injection. Strong fluorescence signal was observed in all skeletal tissues (calvaria, vertebra, long bones, jaw, and mandibles) from mutant and WT mice. Fluorescence analysis of histological sections from bones revealed strong binding of asfotase alfa. Asfotase alfa binding to sites of ectopic calcification in the heart, aorta, and renal artery were found in both the Tagln-Cre; Hprt ALPL/Y and Tie2-Cre; Hprt ALPL/Y mice but not in WT mice. In addition, asfotase alfa binding was also found in the kidney stroma and brain of the Tie2-Cre; Hprt ALPL/Y mice. Our results show that fluorescence-labeled asfotase alfa administered in vivo binds not only to sites of skeletal and dental mineralization but also to sites of ectopic calcification in these animal models. © 2020 American Society for Bone and Mineral Research.BACKGROUND Most research on preoperative anxiety hasfocused on non-Latino populations. A study performed in the USA found that children from Spanish-speaking Latino families experienced higher anxiety than children from English-speaking families. AIMS To report the incidence and level of preoperative anxiety in native Spanish-speaking children living in their home country, and to assess risk factors associated with higher anxiety levels. METHODS Data werecollected from 204 children aged 2-12 undergoing elective surgery in a Chileanhospital. Patients' demographic data, surgery-related information and self-reported parental anxiety were collected. Children's anxiety was measured using the Modified Yale Preoperative Anxiety Scale.An anxiety score greater than 30 indicatedsignificant anxiety.The main outcome for analyzing risk factors was children'sanxiety level in the operating room RESULTS Significant preoperative anxiety was observed in 41.7%(95% CI 34.8%-48.8%) of patients, with median anxiety score of 26.6 (IQR, 23.4-46.6). A significant positive correlation was observed between self-reported parentalanxiety in the preoperative holding room and children's anxiety in the operating room (r = 0.153, p = 0.02), with a higher median difference when mothers are present in anesthesia induction (36.8 vs. 30.7 respectively; p = 0.006). Linear regression analysis found previous negative surgical experience to beassociated with higher anxiety levels in the operating room (β=16.057, p=0.014). CONCLUSIONS Spanish-speaking children undergoing elective surgery in their home country experienced significant rates of preoperative anxiety. Parental anxiety and previous negative surgical experience were risk factors associated with higher anxiety levels. This article is protected by copyright. All rights reserved.
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