Objective: To verify the adequacy of red blood cell (RBC) prescription to pediatric patients in different sectors of a pediatric hospital. Method: A retrospective study was conducted including 837/990 RBC transfusion requisition forms for children and adolescents (0 to 13 years old) filed in between January 2007 and April 2015 by the pediatricians of the emergency room (ER), infirmary ward and intensive care unit (pICU). Transfusion requisition forms belonging to patients with chronic anemia or acute hemorrhage, as well as incompletes requisition forms, were excluded. Results: Trigger, prescribed volume and subtype of RBC concentrates were adequate in 532 (65.3%), 460 (58.8%) and 805 (96.2%) of the transfusions, respectively. When the clinical picture was considered, prescription adequacy was higher compared to the use of the hemoglobin level alone (70.9% vs. 41%). The pICU had the highest correct trigger percentage (343 [71.6%]; p<0.001) while the ER showed more often adequate prescribed volumes (119 [66.1%]; p=0.020). The most common inadequacy regarding volume was that of prescriptions above the recommendation > 15 mL/kg found in 309 cases (36.9%). Thirty-two (32) RBC subtypes were requested and none were consistent with current recommendations. Conclusion:The results obtained in our study showed that RBC transfusion occurred more appropriately when the clinical picture was taken into account at request. There was a tendency to prescribe higher volumes and RBC subtypes without the justification of current protocols. Hemotherapic teachings at undergraduate level and medical residency must be improved.
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Objective: To assess the level of knowledge of emergency pediatricians on red blood cell transfusions and their reactions. Methods: Written survey with emergency pediatricians from a pediatric hospital. Results: Less than 20% of pediatricians showed appropriate knowledge on prescribing red blood cells and recognition of transfusion reactions. There was no significant statistical regarding time since graduation and blood transfusion classes in undergraduate studies or during medical residency. Conclusion: Pediatricians have insufficient knowledge about red blood cell transfusions and recognition of transfusion reactions.
OBJECTIVE: This study aimed to compare neutrophil-to-lymphocyte ratio and platelet-to-lymphocyte ratio of overweight children and adolescents with the eutrophic ratios and to verify whether these ratios are associated with age, inflammation, Z-score of body mass index, and waist-to-height ratio. METHODS: This is a cross-sectional study involving 64 overweight and 106 eutrophic children and adolescents. Data on weight, height, and waist circumference (body mass index and waist-to-height ratio), blood count (neutrophil-to-lymphocyte ratio and platelet-to-lymphocyte ratio), and highsensitivity C-reactive protein were collected. RESULTS: The mean age of participants was 8.4±3.2 years. The ratios did not differ between the overweight and non-overweight groups. The plateletto-lymphocyte ratio has shown a direct and independent association with body mass index (p=0.031) and waist-to-height ratio (p=0.018), a fact not observed for neutrophil-to-lymphocyte ratio. The ultrasensitive C-reactive protein level was higher in the obesity group (p=0.003). Both ratios had a direct and independent association with age. CONCLUSION: The ratios did not differ between the overweight and non-overweight groups. There was a direct and independent association of platelet-to-lymphocyte ratio with overweight, not observed in neutrophil-to-lymphocyte ratio. The ratios have significantly increased according to the age of the participants.
Objective To describe the 25-hydroxyvitamin D [25(OH)D] concentrations in children and adolescents and to verify the association with the body mass index z-score (ZBMI), lipid profile and Homeostasis Model Assessment-Insulin Resistance (HOMA-IR). Method Cross-sectional study with 170 children and adolescents aged between 4 and 15 years (106 normal weight and 64 overweight) from a public institution in Santo André—Brazil. Weight, height and waist circumference were verified and ZBMI and waist-to-height ratio (WHtR) were calculated. Biochemical analysis: 25(OH)D levels [deficiency: 25(OH)D < 20 ng/ml]; glycemia and insulin (HOMA-IR), lipid profile and ultra-sensitive C-reactive protein. Results Mean age was 8.37 ± 3.17 years; 89 (52.4%) were male; 77 (45.3%) Caucasians and 121 (71.2%) pre-pubescent. Overweight was observed in 64 (37.6%), dyslipidemia in 108 (63.5%) and 25(OH)D deficiency in 117 (68.8%) of the individuals. ZBMI (r = −0.209; p = 0.006), WHtR (r = −0.154; p = 0.045), triglycerides (TGs) (r = −0.161; p = 0.037) and TGs/high-density lipoprotein (HDL) ratio (r = −0.168; p = 0.028) were inversely correlated with 25(OH)D concentrations. Overweight children and adolescents were four times more likely to have vitamin D deficiency (odds ratio = 4.28; 95% confidence interval 1.152 to 4.907; p = 0.019), after adjustment for pubertal development (prepubertal), sex (male), HDL-c (<45 mg/dl), non-HDL (>120 mg/dl), TG/HDL ratio (>2.0) and HOMA-IR. Conclusions A high prevalence of vitamin D deficiency (68.8%) was observed. There was an independent association between vitamin D deficiency and overweight, not observed for dyslipidemia and insulin resistance. The data point to the need for periodic monitoring of serum concentrations of 25(OH)D and reinforcement of guidelines for combating and preventing overweight in the pediatric age group.
Since this is a cross-sectional study, 232 children and adolescents from an institution for children from low-income families in situations of social vulnerability in the city of Santo André, Brazil were included. The study was conducted from January to December 2019.The exclusion criteria were as follows: patients with chronic diseases (except overweight, asthma, and rhinitis),
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