European journal of pediatrics
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No large cohort study has yet determined the incidence of acute kidney injury (AKI) in children with heart failure treated with renin-angiotensin system (RAS) inhibitors. We thus retrospectively analyzed the incidence and risk factors for severe AKI (stages 2-3 according to the Kidney Disease Improving Global Outcomes (KDIGO) guidelines) at our institutions from 2008 to 2011. Among 312 children (162 boys; median age, 7.3 months), 59 cases of AKI occurred in 45 children. The incidence of AKI was 14.3 cases per 100 person-years overall (follow-up 413.6 person-years), or 27.3, 16.8, and 4.5 cases per 100 person-years in children aged <1, 1-3, and ≥4 years, respectively. Among them, 23 (39.0 %) children had metabolic acidosis and 14 (23.7 %) had hyperkalemia. Younger age, myocardial disease, cyanotic congenital heart disease, use of spironolactone, and cardiac surgery were independent risk factors for AKI. Furthermore, 37.3 % of children suffered dehydration during AKI. ⋯ • Angiotensin-converting enzyme inhibitors (ACEIs) and angiotensin receptor blockers (ARBs) are the two main classes of renin-angiotensin system (RAS) inhibitors used to treat hypertension, heart failure, and chronic kidney disease. Acute kidney injury (AKI) and hyperkalemia are potentially life-threatening complications associated with the use of ACEIs and ARBs. Some reports have suggested that dehydration and cardiac surgery are risk factors for AKI in children. However, no large-scale cohort studies have determined the incidence of AKI, its risk factors, and its outcomes in children with heart failure treated with ACEIs and/or ARBs. What is new: • In this retrospective cohort study, we determined the incidence, severity, and risk factors for severe AKI in children with heart failure treated with ACEIs and/or ARBs. The incidence of AKI in these children was relatively high (14.3 episodes per 100 person-years). In addition, younger age, myocardial disease, cyanotic congenital heart disease, concomitant use of spironolactone, and cardiac surgery were risk factors for AKI. Furthermore, 37.3 % of children had dehydration during AKI episodes. • Our results suggested that appropriate fluid balance after infection and cardiac surgery might reduce the risk of AKI and its complications. Temporary discontinuation or reductions in the levels of ACEIs and/or ARBs during dehydration or before surgery may also be warranted in these patients.
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Randomized Controlled Trial
A quasi randomized-controlled trial to evaluate the effectiveness of clowntherapy on children's anxiety and pain levels in emergency department.
The aim of the study is to investigate if the presence of medical clowns during painful procedures in the emergency department (ED) affects children's anxiety and pain. Forty children (4-11 years) admitted to the ED with the need of painful procedures were prospectively enrolled. They were randomly assigned to the clown group, where children interacted with clowns or to the control group in which they were entertained by parents and ED nurses. The children's anxiety was assessed by the Children's Anxiety and Pain Scales; pain was evaluated with the Numerical Rating Scale and Wong-Backer Scale, according to the children's age. Staff and clown's opinions were evaluated by means of dedicated questionnaires. Children's anxiety levels in the clown group were significantly lower than those compared with the control group, while children's pain levels did not change between the two groups. ⋯ • Anxiety and fear caused by medical procedures exacerbate children's pain and may interfere with the procedure. • To reduce anxiety, fear, and pain and to facilitate patient's evaluation, different non-pharmacological approaches have been proposed and positive effects of laughter and humor have been reported. What is New: • The presence of clowns in the waiting room and in the ED during medical evaluation and painful procedures helps to reduce children's anxiety.