underlying medical problems (Posnett and Franks, 2008). Their treatment involves ensuring that all the contributory causes have been addressed and alleviated. The prevention and management of pressure ulcers involves many different interventions (Moore and Webster, 2013). However, despite the implementation of evidence-based treatments, some pressure ulcers still fail to heal and become chronic wounds. Chronic wounds are defined as wounds that do not follow the well-defined stepwise process of physiological healing but are trapped in an uncoordinated and self-sustaining phase of inflammation (Snyder, 2010).