Ethical considerations
PRESSURE ULCERS, RECRUITMENT
Both centers obtained ethics approval before starting recruitment ([1_Comité de Ética de Investigaciones de la Fundación Cardioinfantil Instituto de Cardiología CEIC-IRB 00007736]; 2_Comité de Ética en Investigación de la Fundación Oftalmológica de Santander-FOSCAL CEI-IRB 890.205.361-4]). Each participant gave written informed consent, and we assured data confidentiality. We declare no conflict of interest related to any HCD or the petrolatum brand. The Administrative Department of Science, Technology, and Innovation financed the study- a government agency research grant.The design of this project complied with the ethical provisions mentioned in Res. No. 008430 of 1993 is within the guidelines suggested in the Declaration of Helsinki of the World Medical Association, CIOMS, and the Belmont Report. The study was approved in two hospitals by their respective research committees (IRB Research Committee-CEIC-IRB00007736FCI; CEI-FOSCAL890.205.361-4) in Colombia. All participants gave written informed consent and we assured data confidentiality.The proposal was classified within the research category with minimal risk since it was a clinical trial that used routinely implemented strategies in the preventive care of pressure ulcers; only on this occasion were the interventions randomly assigned, with the consent of patients and to evaluate the efficacy and actual institutional costs.