Effectiveness of Different Wound Dressings in the Reduction
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The optimal type of dressing in the setting of total joint arthroplasty (TJA) is antimicrobial dressings. The aim of this network meta-analysis (NMA) was to compare various wound dressings and identify the optimal type of dressings for blister reduction and prevention of periprosthetic joint infection (PJI) in patients following TJA.

Studies comparing two or more dressing groups following TJA (hip or knee) were systematically searched. Two authors performed the study selection, risk of bias assessment, and data extraction. Both outcomes were accessed using odds ratios (OR) with 95% confidence intervals (CI) and were ranked using surface under the cumulative ranking curve (SUCRA) probabilities to determine a hierarchy of dressings. A sensitivity analysis was performed to reduce the effect of intransitivity between studies.

--A total of 21 studies, consisting of 12 dressing types in 7293 TJAs, were included in the final analysis.

--The highest incidence of blisters occurred when using negative pressure wound therapy (NPWT, OR 9.33, versus gauze).

--All dressings ranked better than gauze in infection rate except for hydrofiber (OR 1.46) and fabric dressings (OR 1.46).

--For blister reduction, alginate (SUCRA = 87.7%) and hydrofiber/hydrocolloid (SUCRA = 92.3%) were ranked as the optimal dressings before and after a sensitivity analysis, respectively.

--Antimicrobial dressing (SUCRA = 83.7%) demonstrated the most efficacy for preventing PJI.

Conclusively, an antimicrobial dressing is the optimal dressing to prevent PJI. If NPWT is utilized, surgeons should be aware of an increased incidence of blister formation. Further studies should focus on the alginate versus hydrofiber and hydrocolloid dressing to determine the optimal dressing to reduce blisters.

Source: https://www.sciencedirect.com/science/article/pii/S0883540321002072?dgcid=rss_sd_all