Focused versus radial extracorporeal shock wave therapy in post burn hypertrophic scar: A single blinded randomized controlled trial

Nancy Hassan Aboelnour, Najlaa Fathi Ewais, Hamada Ahmed Hamada

Nancy Hassan Aboelnour, Najlaa Fathi Ewais, Hamada Ahmed Hamada – Focused versus radial extracorporeal shock wave therapy in post burn hypertrophic scar: A single blinded randomized controlled trial. Fizjoterapia Polska 2019; 19(4); 150-155

DOI: https://doi.org/10.56984/8ZG1A3652

Abstract
Purpose. Hypertrophic scar (HTS) is one of the common post-burn complications that lead to functional and cosmetic impairments, so we pursued to examine efficacy of extracorporeal shock wave therapy (ESWT) on HTS in expression of improving scar thickness and appearance. Materials and Methods. 60 patients with post burn HTS were recruited in this trial and divided randomly into 3 equal groups. Group A: received focus ESWT (100 shock waves per cm2, 0.037 mJ/mm2, 4 Hz, 2 times/week for six weeks) plus traditional topical medication (MEBO Scaro cream). Group B: received radial ESWT (500 shock waves per cm2, 0.13 mJ/mm2, 6 Hz, 2 times/week for six weeks) plus MEBO Scaro cream. Group: received only MEBO Scaro cream. Ultrasonography was utilized for scar thickness measurement and scar characteristics assessment was done by Modified Vancouver Scar Scale (MVSS). All measures were gathered before the start of the study, and after termination of the trial (after 6 weeks). Results. Both focus and radial ESWT showed significant advance in scar thickness and MVSS post treatment (p > 0.001), without statistical differences between them (p > 0.05), while group C showed only a significant diminution in MVSS post treatment (p > 0.001), without any change in scar thickness. Conclusion. Higher statistical results were achieved with both focus and radial ESWT without any side effects, confirming the safety and efficiency of ESWT in HTS management.

Key words:
hypertrophic scar, Extracorporeal Shock Wave Therapy (ESWT), Modified Vancouver Scar Scale (MVSS), ultrasonography

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Long-term effects of vacuum massage on postburn hypertrophic scar thickness: a single blind randomised controlled study

Mahmoud Elshazly, Ahmed Mahmoud Kadry

Mahmoud Elshazly, Ahmed Mahmoud Kadry – Long-term effects of vacuum massage on postburn hypertrophic scar thickness: a single blind randomised controlled study. Fizjoterapia Polska 2019; 19(3); 32-37

DOI: https://doi.org/10.56984/8ZG13F46E

Streszczenie
Background. Burn victims develop hypertrophic scar as a progression to burn wound healing. Physical therapy intervention may help, as adjuvant therapy, in solving this problem.
Objective. The aim was to study the effectiveness of vacuum therapy on the post burn scar in addition to conventional physical therapy.
Design, Setting, and Participants. Randomized, single-blind, superiority, parallel, controlled, clinical trial in patients with hypertrophic scar post-burn in the lower limb, age between 20 and 40 years, selected form Out-Patient Clinic of burn and surgery in the South Valley University Hospitals between October 2017 and May 2018. 48 patients were randomized into either study or control group, using block randomization (study group n=24 and control group n=24). Interventions: conventional physical therapy in form of friction massage and lower limb muscles stretching was conducted for the control group and vacuum treatment in addition to conventional physical therapy was conducted for the study group. Treatment frequency was 3 sessions per week for 4 weeks. Outcomes: assessment of scar thickness using ultrasonography and assessment of scar severity by modified Vancouver Scar Scale (mVSS) were the main outcomes.
Results. 42 patients were analysed (study group n = 22 and control group n = 20) with follow up measure after 4 weeks showed significant improvement in scar sickness with 22% and 34% percentage of improvement and 56% and 62% improvement in mVSS within groups control and study groups respectively, with no significant difference between both groups in before or after treatment measures.
Conclusion. Adding vacuum therapy to conventional physical therapy treatment program is effective but not superior to the conventional physical therapy intervention alone, in the form of friction massage and stretching, in the treatment of lower limb hyper trophic scar

Słowa kluczowe:
hypertrophic scar, postburn scar, vacuum therapy, friction massage

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