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J Wound Ostomy Continence Nurs. 2017 Jan/Feb;44(1):55-62. doi: 10.1097/WON.0000000000000291.

Use of Convexity in Ostomy Care: Results of an International Consensus Meeting.

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Jo Hoeflok, MA, BSN, RN, CETN(C), CGN(C), Gastroenterology & General Surgery, St. Michael's Hospital, Lawrence S. Bloomberg Faculty of Nursing, University of Toronto, Toronto, Ontario, Canada. Ginger Salvadalena, PhD, RN, CWOCN, Clinical Affairs, Hollister Incorporated, Libertyville, Illinois. Sue Pridham, BA, Diploma Nursing (Adult), Manchester Royal Infirmary, Manchester, United Kingdom. Werner Droste, ET Nurse, private practice, Selm, Germany. Laurie McNichol, MSN, RN, GNP, CWOCN, CWON-AP, CNS/WOC Nurse, Cone Health, Greensboro, North Carolina. Mikel Gray, PhD, RN, FNP, PNP, CUNP, CCCN, FAANP, FAAN, School of Medicine (Department of Urology) and School of Nursing (Department of Acute and Specialty Practice), University of Virginia, Charlottesville.


Ostomy skin barriers that incorporate a convexity feature have been available in the marketplace for decades, but limited resources are available to guide clinicians in selection and use of convex products. Given the widespread use of convexity, and the need to provide practical guidelines for appropriate use of pouching systems with convex features, an international consensus panel was convened to provide consensus-based guidance for this aspect of ostomy practice. Panelists were provided with a summary of relevant literature in advance of the meeting; these articles were used to generate and reach consensus on 26 statements during a 1-day meeting. Consensus was achieved when 80% of panelists agreed on a statement using an anonymous electronic response system. The 26 statements provide guidance for convex product characteristics, patient assessment, convexity use, and outcomes.

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