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Mechanosensitive Aspects of Cell Biology in Manual Scar Therapy for Deep Dermal Defects

Musculoskeletal Physiotherapy, Orthopaedic and Hand Surgery Rehabilitation, Bellikon Rehabilitation Clinic, Mutschellenstrasse 2, 5454 Bellikon, Switzerland
Int. J. Mol. Sci. 2020, 21(6), 2055; https://doi.org/10.3390/ijms21062055
Received: 17 February 2020 / Revised: 6 March 2020 / Accepted: 10 March 2020 / Published: 17 March 2020
Deep dermal defects can result from burns, necrotizing fasciitis and severe soft tissue trauma. Physiological scar restriction during wound healing becomes increasingly relevant in proportion to the affected area. This massively restricts the general mobility of patients. External mechanical influences (activity or immobilization in everyday life) can lead to the formation of marked scar strands and adhesions. Overloading results in a renewed inflammatory reaction and thus in further restriction. Appropriate mechanical stimuli can have a positive influence on the scar tissue. “Use determines function,” and even minimal external forces are sufficient to cause functional alignment (mechanotransduction). The first and second remarkable increases in connective tissue resistance (R1 and R2) seem to be relevant clinical indications of adequate dosage in the proliferation and remodulation phase, making it possible to counteract potential overdosage in deep dermal defects. The current state of research does not allow a direct transfer to the clinical treatment of large scars. However, the continuous clinical implementation of study results with regard to the mechanosensitivity of isolated fibroblasts, and the constant adaptation of manual techniques, has nevertheless created an evidence-base for manual scar therapy. The manual dosages are adapted to tissue physiology and to respective wound healing phases. Clinical observations show improved mobility of the affected regions and fewer relapses into the inflammatory phase due to mechanical overload. View Full-Text
Keywords: burns; physiological basics; pathophysiological basics; wound healing; scar therapy; hypertrophic scar; dosage; connective tissue resistance burns; physiological basics; pathophysiological basics; wound healing; scar therapy; hypertrophic scar; dosage; connective tissue resistance
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Koller, T. Mechanosensitive Aspects of Cell Biology in Manual Scar Therapy for Deep Dermal Defects. Int. J. Mol. Sci. 2020, 21, 2055.

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