wIRA increases tissue temperature (+2.7°C at a tissue depth of 2 cm), tissue oxygen partial pressure (+32% at a tissue depth of 2 cm) and tissue perfusion. These three factors are decisive for a sufficient supply of tissue with energy and oxygen and consequently also for wound healing and infection defense. wIRA acts both by thermal (related to heat energy transfer) and thermic as well as by non-thermal and non-thermic effects.
In a bilingual review article, just published on December 16th, 2009, in the medical e-Journal "GMS Krankenhaushygiene Interdisziplinär" within Open Access-portal "German Medical Science" of the AWMF (Association of the Scientific Medical Societies in Germany), working mechanisms of wIRA and results of 6 scientific studies with wIRA are discussed.wIRA can considerably alleviate pain (without any exception during 230 irradiations) with substantially less need for analgesics (52 - 69 % less in the groups with wIRA compared to the control groups). It also diminishes exudation and inflammation and can show positive immunomodulatory effects.
wIRA can advance wound healing or improve an impaired wound healing both in acute and in chronic wounds including infected wounds.
A median reduction of wound size of 90 % in severely burned children was already achieved after 9 days in the group with wIRA compared to 13 days in the control group.
With wIRA a wound closure and normalization of the thermographic image in otherwise recalcitrant chronic venous stasis ulcers was reached. The attached figure presents the successful healing process of a chronic venous stasis ulcer of the lower leg under therapy with wIRA. In a study with chronic venous stasis ulcers of the lower leg it lasted on average 18 days with wIRA versus 42 days without wIRA until complete wound closure.
wIRA represents a valuable therapy option and can generally be recommended for use in the treatment of acute as well as of chronic wounds.Publication (bilingual):
Contact addresses for wIRA for acute wounds/operation wounds:PD Dr. med. Mark Hartel
Wolfgang Müller | idw
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