Background: Burns are the second most common etiology of injury death in children under 5 years old and are the most common cause of death in a home accident. Materials & Methods: This study was performed to investigate the epidemiology of childhood burn in children under 16 years old referred to Velayat Burn Center, Rasht City, Iran, from 2013 to 2018. Data were collected from electronic hospital records of burn patients aged under 16 years of age. Results: Out of 717 patients, 44.5% were girls, and 55.5% were boys (sex ratio=1.2). The highest frequency of burns (56.1%) was reported in the 1-5 years age group. The most common cause of burn was scalds (76%), and the most common burn severity was second-degree burns (46.7%). The Mean±SD duration of hospitalization was 3.07±4.15 days, and the hospital stay was significantly associated with the cause of the burn, Burned Body Surface Area (BBSA), and burn severity. The highest frequency was reported on Saturdays, i.e., (the first working day in Iran) (22.7%), between 6 and 12 o’clock (42.8%). Conclusion: This study found that children in 1-5 years old were the most susceptible age group for burn injuries and scalds were the most common cause of the burn. The male to female ratio was 1.2, and the majority of burns occurred in the winter.
In
this work, phospho-calcified cellulose nanowhiskers (PCCNWs)
were prepared from wastepaper powder (WPP) and were dispersed in poly(ε-caprolactone)
(PCL). The biocompatible and biodegradable (PCL)/PCCNW bimodal foam
nanocomposites with two species cell sizes were prepared by the solvent
casting/particulate leaching method in different weight percentage
of PCCNWs. The mechanical, thermal, and in vitro biological properties
of PCL/PCCNW nanocomposites were investigated. All PCL/PCCNW scaffolds
were hydrophilic, biodegradable, and also noncytotoxic. The human
mesenchymal stem cells were cultured on the prepared PCL/PCCNW bimodal
foam nanocomposites and differentiated to osteoblasts. On the basis
of evaluating tests such as MTT assay, acridine orange/ethidium bromide
staining, alkaline phosphatase assay, calcium content assay, and alizarin
red staining, PCL/PCCNW scaffolds were introduced as an appropriate
option for emulating the behavior of extracellular matrix. Increasing
PCCNWs improves the mechanical, hydrophilic, and biodegradability
properties of the nanocomposites as well as their osteoconductivity.
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