Burns : journal of the International Society for Burn Injuries
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This study is a phase 1 and 2 clinical trial for investigating the safety profile, effective treatment dose and effectiveness of the newly developed thermosensitive hydrogel-type cultured epidermal allograft. For phase 1, the keratinocytes were divided into 3 groups as follows, with 5 patients in each group: (1) low-dose group (6.7×10(6)/1.5mL), (2) medium-dose group (2×10(7)/1.5mL), and (3) high-dose group (6.0×10(7)/1.5mL). The second phase of the trial proceeded with 10 cases after choosing the most effective dose based on the analysis of the first phase. ⋯ In the test site, re-epithelialization was 2.8±1.8 days faster than in the control site (p<0.0001). There was no significant adverse reaction in our clinical trial. In conclusion, this new type of CEAllo accelerates wound healing time and shows the safety.
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Prediction of total length of stay (LOS) for burns patients based on the total burn surface area (TBSA) is well accepted. Total LOS is a poor measure of resource consumption. Our aim was to determine the LOS in specific levels of care to better inform resource allocation. ⋯ In adults, 33% of LOS was in HDU (0.52±0.06 days per %burn) and 48% (0.68±0.06 days per %burn) in LDU, while in children, 15% of LOS was in HDU (0.19±0.03 days per %burn) and 65% in LDU (0.70±0.06 days per %burn). When considering Burns ITU admissions, resource allocation ought to be planned according to expected LOS in specific levels of care rather than total LOS. The largest proportion of stay is in low dependency, likely due to social issues.
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Observational Study
Pre-hospital burn mission as a unique experience: A qualitative study.
A thorough understanding of experiences related to pre-hospital emergency care of burns is a prerequisite of skill promotion for medical personnel. The aim of the present study was to evaluate the experiences of pre-hospital emergency personnel during burn accidents. ⋯ This study showed that different factors affect the quality of pre-hospital clinical services for burns. Authorities and health system administrators should consider the physical and psychological health of their staff, and assign policies to improve the quality of pre-hospital medical care. According to the present results, it is recommended that the process of pre-hospital emergency care for burns be investigated further.
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Comparative Study
Cytotoxicity testing of silver-containing burn treatments using primary and immortal skin cells.
A novel burn wound hydrogel dressing has been previously developed which is composed of 2-acrylamido-2-methylpropane sulfonic acid sodium salt with silver nanoparticles (silver AMPS). This study compared the cytotoxicity of this dressing to the commercially available silver products; Acticoat™, PolyMem Silver(®) and Flamazine™ cream. Human keratinocytes (HaCaT and primary HEK) and normal human fibroblasts (NHF) were exposed to dressings incubated on Nunc™ polycarbonate inserts for 24, 48 and 72h. ⋯ Surprisingly, HaCaTs treated with Acticoat™ and Flamazine™ had an improved ability to survive at 48 and 72h while HEKs and NHFs had no improvement in survival with any treatment. The novel silver hydrogel and PolyMem Silver(®) showed low cytotoxicity to all tested cell lines at every time interval and these results support the possibility of using the novel silver hydrogel as a burn wound dressing. Researchers who rely on HaCaT cells as an accurate keratinocyte model should be aware that they can respond differently to primary skin cells.
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The extrinsic ectropion is a condition with low prevalence characterized by an ectropion with normal eyelid and anatomy unchanged and the cause is found in tissues adjacent orbits. There are not many studies in the literature regarding their treatment, especially without addressing the eyelid respecting its anatomical integrity. ⋯ The endoscopic facial suspension proved to be a surgical technique with low morbidity and efficient treatment in 8 facial extrinsic ectropion.