Osong Public Health Res Perspect.  2016 Oct;7(5):313-319. 10.1016/j.phrp.2016.08.005.

Comparing Two Methods of Cryotherapy and Intense Pulsed Light with Triamcinolone Injection in the Treatment of Keloid and Hypertrophic Scars: A Clinical Trial

• Meymandi SS
• Moosazadeh M
• Rezazadeh A

• KMID: 2518286
• DOI: http://doi.org/10.1016/j.phrp.2016.08.005

Abstract

Objectives
Keloid and hypertrophic scars are abnormal manifestations of wounds that occur following skin injuries in the form of local proliferation of fibroblasts and increased production of collagen. There are several ways to cure these scars; treatment must be selected based on the nature of the scars. In this clinical trial, two methods—cryotherapy and intense pulsed light (IPL)—are compared in the treatment of scars, and the results are presented in terms of improvement level, complications, and patient satisfaction.
Methods
This clinical trial was conducted in southeastern Iran. The intervention group included scars that underwent the IPL method and the control group, which consisted of scars that were subjected to cryotherapy. In both methods, intralesional corticosteroid injection was administered. To select samples, the easy sampling method was used. To determine the expected outcomes, the criteria determined in the Vancouver scar scale were used. Data were analyzed using the Mix Model, chi-square test, and t test.
Results
In this study, 166 samples of keloid and hypertrophic scars were cured using two methods (Cryotherapy, 83; IPL, 83). The recovery rate was higher in the Cryotherapy group than in the IPL group (p > 0.05), and the incidence of complications was also higher in the Cryotherapy group (14.5% vs. 12%). Moreover, patients were more satisfied, although not significantly so, with the cryotherapy method (p = 0.09).
Conclusion
Both methods were highly successful in curing scars; participants were totally satisfied with both methods.

Keyword

cryotherapy; hypertrophic scar; keloid scar; intense pulsed light