Background and objectives Poor cognition can affect educational attainment, but the extent of neurocognitive impairment in children with CKD is not well understood. This systematic review assessed global and domainspecific cognition and academic skills in children with CKD and whether these outcomes varied with CKD stage.Design, setting, participants, & measurements Electronic databases were searched for observational studies of children with CKD ages 21 years old or younger that assessed neurocognitive or educational outcomes. Risk of bias was assessed using a modified Newcastle-Ottawa scale. We used random effects models and expressed the estimates as mean differences with 95% confidence intervals stratified by CKD stage.Results Thirty-four studies (25 cross-sectional, n=2095; nine cohort, n=991) were included. The overall risk of bias was high because of selection and measurement biases. The global cognition (full-scale intelligence quotient) of children with CKD was classified as low average. Compared with the general population, the mean differences (95% confidence intervals) in full-scale intelligence quotient were 210.5 (95% confidence interval, 213.2 to 27.72; all CKD stages, n=758), 29.39 (95% confidence interval, 212.6 to 26.18; mild to moderate stage CKD, n=582), 216.2 (95% confidence interval, 233.2 to 0.86; dialysis, n=23), and 211.2 (95% confidence interval, 217.8 to 24.50; transplant, n=153). Direct comparisons showed that children with mild to moderate stage CKD and kidney transplants scored 11.2 (95% confidence interval, 2.98 to 19.4) and 10.1 (95% confidence interval, 21.81 to 22.0) fullscale intelligence quotient points higher than children on dialysis. Children with CKD also had lower scores than the general population in executive function and memory (verbal and visual) domains. Compared with children without CKD, the mean differences in academic skills (n=518) ranged from 215.7 to 21.22 for mathematics, from 29.04 to 20.17 for reading, and from 214.2 to 2.53 for spelling.Conclusions Children with CKD may have low-average cognition compared with the general population, with mild deficits observed across academic skills, executive function, and visual and verbal memory. Limited evidence suggests that children on dialysis may be at greatest risk compared with children with mild to moderate stage CKD and transplant recipients.
Pain is a major problem in sick newborn infants, especially for those needing intensive care. Pharmacological pain relief is the most commonly used, but might be ineffective and has side effects, including long-term neurodevelopmental sequelae. The effectiveness and safety of alternative analgesic methods are ambiguous. The objective was to review the effectiveness and safety of non-pharmacological methods of pain relief in newborn infants and to identify those that are the most effective. PubMed and Google Scholar were searched using the terms: “infant”, “premature”, “pain”, “acupuncture”, “skin-to-skin contact”, “sucrose”, “massage”, “musical therapy” and ‘breastfeeding’. We included 24 studies assessing different methods of non-pharmacological analgesic techniques. Most resulted in some degree of analgesia but many were ineffective and some were even detrimental. Sucrose, for example, was often ineffective but was more effective than music therapy, massage, breast milk (for extremely premature infants) or non-invasive electrical stimulation acupuncture. There were also conflicting results for acupuncture, skin-to-skin care and musical therapy. Most non-pharmacological methods of analgesia provide a modicum of relief for preterm infants, but none are completely effective and there is no clearly superior method. Study is also required to assess potential long-term consequences of any of these methods.
The overall QoL and domains such as pain and emotion are substantially worse in children on dialysis compared with earlier stage CKD and those with kidney transplants.
Background Few data exist on the cognitive and academic functioning of children with chronic kidney disease (CKD) over the trajectory of their illness. We aimed to determine the association between CKD stages and cognitive and academic performance in children over time. Methods We included 53 participants (aged 6–18 years) with CKD stages 1–5 (n = 37), on dialysis (n = 3), or with functioning kidney transplant (n = 22) from three units in Australia from 2015 to 2019. Participants undertook a series of psychometric tests and were invited for repeated assessments annually. We used linear regression and linear mixed models to investigate the effect of CKD stage, adjusted for socioeconomic status. Results At baseline, full-scale intelligence quotient (FSIQ) (95%CI) of children on kidney replacement therapy (KRT) was in the low average range (87: 78, 96) and average (101: 95, 108) for children with CKD 1–5. Mean (95%CI) FSIQ, word reading, numerical operations, and spelling scores for children on KRT were 14.3 (− 25.3, − 3.3), 11 (− 18.5, − 3.6), 8.5 (− 17.6, 0.76), and 10 (− 18.6, − 1.3) points lower than children with CKD Stages 1–5. Spelling and numerical operations scores declined by 0.7 (− 1.4, − 0.1) and 1.0 (− 2.0, 0.2) units per year increase in age, regardless of CKD stage. Conclusions Children treated with KRT have low average cognitive abilities and lower academic performance for numeracy and literacy compared to both children with CKD 1–5 and to the general population. However, the rate of decline in academic performance over time is similar for children across the full spectrum of CKD. Graphical abstract A higher resolution version of the Graphical abstract is available as Supplementary information.
Pain is a major problem in sick newborn infants, especially for those needing intensive care. Pharmacological pain relief is the most commonly used but may be ineffective, have side effects, including long-term neurodevelopmental sequelae. The effectiveness and safety of alternative analgesic methods are ambiguous. The objective is to review the effectiveness and safety of non-pharmacological methods of pain relief in newborn infants and to identify those that are the most effective. PubMed and Google Scholar were searched using the terms: ‘infant’, ‘premature’, ‘pain’, ‘acupuncture’, ‘skin to skin contact’, ‘sucrose’ ‘massage’, ‘musical therapy’ and ‘breastfeeding’. We included 24 studies assessing different methods of non-pharmacological analgesic techniques. Most resulted in some degree of analgesia but many were ineffective and some were even detrimental. Sucrose, for example, was often ineffective but more effective than music therapy, massage, breast milk (for extremely premature infants) or non-invasive electrical stimulation acupuncture. There were also conflicting results for acupuncture, skin to skin care and musical therapy. Most non-pharmacological methods of analgesia provide some modicum of relief for preterm infants but none are completely effective and there is no clearly superior method. Study is also required to assess potential long-term consequences of any of these methods.
Aim: Retained surgical drains are an avoidable and serious cause of postoperative morbidity. This study aims to first report on our unit's experience in identifying and managing retained surgical drains and then consolidate current knowledge regarding retained surgical drains, causes and associated complications.Patients and Methods: A systematic review of the literature was performed through searches in electronic databases to identify studies that described incidents involving retained surgical drains. Data were extracted regarding patient and operative characteristics, drain complications and management.Results: A total of 36 case reports and/or series were identified in the literature, with 39 individual cases of retained surgical drains in patients undergoing abdominal, thoracic or orthopaedic procedures. The most common cause for retained drain was fracture of drain tubing. Patients presented with complications ranging from chronic pain, abscess or fistula formation, to migration of the drain fragment into a hollow viscus. In all cases an invasive intervention was required to remove the retained drain. Conclusion:Surgeons should be aware of retained surgical drains as an iatrogenic cause of postoperative morbidity. Contemporary surgical practice should include methods to prevent, identify and manage retained drains and associated complications.
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