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The Japanese Society of Pressure Ulcers (JSPU) has two purposes: first, to improve knowledge and skills among health professionals related to preventing and managing pressure ulcers (PUs); and second, to represent those in the field managing PUs, including with government and health authorities. Since 2006, JSPU has conducted fact-finding surveys about every four years to identify PU prevalence in Japan (2006, 2010, 2013 and 2016). Based on the prevalence identified by these surveys, an attempt was made to validate the achievements of JSPU's activities.Information from one-day surveys of hospitals, long-term care health facilities, long-term care welfare facilities, and home visit nursing care stations was analysed. We used generalised estimating equations to estimate the proportions of PUs and their 95% confidence intervals (CIs) for each survey.A total of 662,419 patients in 2631 facilities participated in the surveys. The estimated proportions for all facilities (95% CI) in chronological order, from the first to the fourth survey, were: 2.67% (2.52-2.83); 2.61% (2.43-2.80); 1.99% (1.83-2.17); and 1.79% (1.65-1.94), respectively. In all facility types, the proportion of PUs was lower in the fourth survey than the first survey.The proportion of PUs showed a decreasing trend and was low according to global standards, demonstrating the efficacy of JSPU's activities.

Background Extensive peristomal skin ulcer due to pyoderma gangrenosum is difficult to manage and causes significant morbidity. Case A 69-year-old man presented with a 10×7-cm painful peristomal skin necrosis during cancer chemotherapy for metastatic colon adenocarcinoma. The diagnosis of peristomal pyoderma gangrenosum was made on the basis of the presence of the skin necrosis with a well-defined, undermined, violaceous border. One month after the presentation along with daily cleansing and minimal debridement without immunosuppressive treatments, wound bed preparation was deemed sufficient for a split-thickness skin graft using negative pressure wound therapy for graft fixation. One month after the operation, the ulcer was completely healed and the patient could manage ostomy pouching independently. He died of cancer 5 months later; no recurrence of the ulcer was observed during this period. Conclusion Peristomal pyoderma gangrenosum was successfully treated with skin grafting after local wound management. Negative pressure wound therapy was useful for skin graft fixation in the peristomal region.