Hypertrophic scars

Hypertrophic scars occur from an abnormal wound healing process that involves excessive dermal collogen production. It can affect patients in various ways including itching, scar tenderness and limited range of motion. 40-70% of patients report developing this condition following surgical incision wounds. Up to 90% of patients report having this condition after burns. Currently there is no standard treatment for hypertrophic scars; however, several treatment techniques have been used such as steroid injections, pressure dressings, surgical excision, pulsed dye lasers, and radiation therapy. 29 patients with 34 hypertrophic scars were enrolled.  Most of the scars had developed after surgical incision, and the chest and upper extremities were the main areas of occurrence. The scars persisted between 6 months and 30 years. At 4 weeks of shockwave treatment, the patients' scar color, stiffness, thickness, and irregularity had significantly improved. Pain and itching improved as well. 

Chuangsuwanich A, et al, (2022) 49(4):554–560, Arch Plastic Surgery Journal, 

Extracorporeal Shock Wave Therapy for Hypertrophic Scars 

https://pmc.ncbi.nlm.nih.gov/articles/PMC9340180/pdf/10-1055-s-0042-1751027.pdf