events were demonstrated in ILCs from skin explant cultures and in vitro expanded ILCs from the peripheral blood. Conclusion: These findings support the concept that instead of being a stable entity with well-defined components, the skin immune system consists of a network of highly flexible cellular players that are capable of adjusting their function to the needs and challenges of the environment. (J Allergy Clin Immunol 2021;nnn:nnn-nnn.)
The initial care of burn wounds and choice of dressing are pivotal to optimally support the healing process. To ensure fast re-epithelialisation within 10-14 days and prevent complications, an optimal healing environment is essential. An innovative dressing based on nanocellulose was used for the treatment of burns in children. Children (0-16 years) with clean, partial-thickness burn wounds, 1 to 10% of the total body surface area were included. Complete re-epithelialisation was achieved within 7-17 days, with 13 patients showing re-epithelialised >95% by day 10. Satisfying results concerning time to re-epithelialisation and material handling were obtained. The possibility to leave the dressing on the wounds for 7 days showed a positive effect in the treatment of children, for whom every hospital visit may cause massive stress reactions. The nanocellulose-based dressing is a promising tool in conservative treatment of burns. Reducing the frequency of dressing changes supports a fast and undisturbed recovery; moreover, the dressing provides an optimal moist healing environment. The time to re-epithelialisation is comparable to frequently used materials, and cost reduction effect can be achieved without loss of quality. Possible pain and distress levels are kept to a minimum; therefore, flexibility and compliance of the patients and their parents are enhanced.
The Comfort Drain offers improved perianal comfort and better quality of life compared with a conventional loose seton and therefore facilitates long-term therapy in patients with complex fistula-in-ano.
All methods evaluated can be applied safely and effectively in abdominoplasty procedures. However, our data demonstrate a significantly higher blood loss for the Ultracision Harmonic Scalpel. Considering our clinical data, we are unable to find justification for the higher costs of PEAK and Ultracision methods.
During cutaneous tick attachment, the feeding cavity becomes a site of transmission for tick salivary compounds and tick-borne pathogens. However, the immunological consequences of tick feeding on human skin remain unclear. Here, we assessed human skin and blood samples upon tick bite and developed a human skin explant model mimicking Ixodes ricinus bite and tick-borne pathogen infection. Following tick attachment, we observed rapidly occurring patterns of immunomodulation including increase in neutrophils and cutaneous B and T cells. T cells up-regulated tissue-residency markers, while lymphocytic cytokine production was impaired.In early stages of Borrelia burgdorferi model infections, we detected strain-specific immune responses and close spatial relationships of macrophages and spirochetes. Pre-incubation of spirochetes with tick salivary gland extracts hampered accumulation of immune cells and increased spirochete loads. Collectively, we showed that tick feeding exerts profound changes on the skin immune network, which interfere with the primary response against tick-borne pathogens.
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