Abstract
Background: Diabetes mellitus is a complex disorder that requires continuous management to control blood sugar levels and prevent complications. Diabetic foot ulcers (DFU) are the most common complication in diabetic patients. A popular therapy modality with considerable advantages in the management of diabetic foot ulcers today is negative pressure wound therapy (NPWT).
Objective: This study aimed to review related articles about the efficacy as well as the complications or adverse effects of using NPWT on the healing of DFUs.
Methods: Searching English databases from PubMed, Ebscohost, Proquest and Science Direct was done to identify relevant citations published between January 2017 and January 2022. A combination of terms was used with the boolean formulation of “negative pressure wound therapy OR NPWT” OR “vacuum-assisted closure or VAC” AND “diabetic foot ulcers OR diabetic foot wound” AND “wound healing” AND “Conventional dressings” and map terms were also used for the subject heading. Some potentially relevant citations of articles from the bibliographies are also reviewed.
Results: This study included 8 related articles consisting of 6 RCTs, 1 cohort study and 1 Quasy experimental study. There were various methodological techniques for using NPWT and outcome measures among studies. The results of this literature review showed that NPWT was more efficacious than the other conventional or advanced moist dressings. This therapy revealed a faster healing time with complete wound healing and formation of granulation tissue and reduction in wound size. The complications or adverse effects of NPWT, such as amputation rate, bleeding and pain, were not different from conventional or advanced moist dressings, though.
Conclusion: NPWT was more efficacious than other conventional or advanced moist dressings for the healing of DFUs. However, complications or adverse effects of using this therapy showed no significant difference with other conventional or advanced moist dressings.
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