Dataset Information

Polyester mesh dressings reduce delayed wound healing rates after total hip arthroplasty compared with silver-impregnated occlusive dressings.

ABSTRACT:

Background

New dressings purport to reduce surgical wound complications after total hip arthroplasty (THA). This study compared delayed wound healing rates and reoperations between 2 increasingly popular dressings: a silver-impregnated occlusive (standard) dressing and a 2-octyl cyanoacrylate adhesive with polyester mesh.

Methods

This retrospective cohort study reviewed 431 consecutive THAs performed by 2 surgeons between January 2017 and May 2019. One hundred and eight were excluded for not using standard or mesh dressings. A final 323 cases were separated into 2 cohorts: mesh (n = 186) and standard dressings (n = 137). Standard dressings were removed at 1 week. Mesh persisted until nonadherent, approximately 3-4 weeks. The surgeon assessed delayed wound healing at the 2-week postoperative visit. Secondary outcomes include deep infection and return to the operating room for a wound-related diagnosis. Differences were determined using the chi-square test.

Results

There were no demographic, comorbidity, or surgical differences between groups. There were 22 total cases of delayed wound healing with 7 (3.8%) in the mesh group and 15 (10.9%) in the standard dressing group (P = .01). There were no significant differences in reoperations (2 [1.1%] vs 2 [1.5%], P = .76) or deep infections (2 [1.1%] vs 1 [0.7%], P = .75).

Conclusions

Mesh dressings are a safe and reliable dressing type for THA and were associated with a decrease in early wound healing complications when compared with standard, silver-impregnated occlusive dressings in this retrospective series. The mesh tension sharing properties and longer duration of occlusive protection may explain this difference.

Level of evidence

Level III.

SUBMITTER: Herndon CL

PROVIDER: S-EPMC7184099 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature

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Publications

Polyester mesh dressings reduce delayed wound healing rates after total hip arthroplasty compared with silver-impregnated occlusive dressings.

Herndon Carl L CL Coury Josephine R JR Sarpong Nana O NO Geller Jeffrey A JA Shah Roshan P RP Cooper H John HJ

Arthroplasty today 20200423 2

<h4>Background</h4>New dressings purport to reduce surgical wound complications after total hip arthroplasty (THA). This study compared delayed wound healing rates and reoperations between 2 increasingly popular dressings: a silver-impregnated occlusive (standard) dressing and a 2-octyl cyanoacrylate adhesive with polyester mesh.<h4>Methods</h4>This retrospective cohort study reviewed 431 consecutive THAs performed by 2 surgeons between January 2017 and May 2019. One hundred and eight were exclu ...[more]

PMID: 32368604

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Project description:Wound infections constitute an increasing clinical problem worldwide. To reverse this trend, several wound dressings with antimicrobial properties have been developed. Considering the increasing presence of antibiotic-resistant microorganisms, product developers have been focusing their efforts in introducing antibiotic-free antibacterial wound dressings to the market, with silver being the most commonly incorporated antimicrobial agent. In this scenario, gaining information about the microbial and eukaryotic cells' response to these dressings is needed for a proper selection of antimicrobial dressings for the different cases of infected wounds. In particular, one insufficiently explored parameter is the effect of the dressings on the immunomodulation of macrophages, the main immune cell population participating in the repair process, because of their pivotal role in the transition of the inflammation to the proliferation phase of wound healing. In this work, three different clinically applied antimicrobial, silver impregnated wound dressings were selected: Atrauman® Ag, Biatain® Alginate Ag and PolyMem WIC Silver® Non-adhesive. Antimicrobial susceptibility tests (disk diffusion and broth dilution), cell viability evaluation (CellTiter-Blue®) and experiments to determine macrophage polarization (e.g., flow cytometry, ELISA and glucose uptake) were performed after 24 h of incubation. Among all products tested, Biatain® Alginate Ag induced the most evident bactericidal effect on Gram-positive and Gram-negative bacteria, followed by PolyMem WIC Silver® Non-adhesive, but did not show good cytocompatibility in vitro. On the other hand, Atrauman® Ag showed excellent cytocompatibility on L929 fibroblasts, HaCaT keratinocytes and THP-1 derived macrophages, but no significant antimicrobial activity was observed. Overall, it was confirmed that macrophages initiate, in fact, an alteration of their metabolism and phenotype in response to wound dressings of different composition in a short period of contact (24 h). M0 resting state macrophages common response to all silver-containing dressings used in this study was to increase the production of the anti-inflammatory cytokine TGF-?, which indicates an acquisition of M2-like macrophages characteristics.

Project description:BackgroundSurgical wounds are covered to prevent bleeding, absorb the exudates, and provide a barrier against external contamination. Currently, in our hospital, after orthopedic surgery, traditional occlusive dressing of sterile gauze and non-woven hypoallergenic adhesive tape is placed. Some of the newest dressings have been shown to reduce the incidence of blisters compared with traditional dressing or colloid adhesive dressings. However, there are no comparative evaluations between the different types of dressings and their contribution to the overall results of the healing process.Methods/designThis is a randomized, controlled, open-label trial to compare five types of dressings used in total knee and hip arthroplasty surgical wounds. A total of 550 patients will be randomly allocated to one of the following dressings: (1) traditional occlusive dressing, (2) Aquacel Surgical®, (3) Mepilex® Border Post-Op, (4) OpSite Post-Op Visible, or (5) UrgoTul® Absorb Border. The dressing assigned is placed right after surgery. Patients will be followed up to 14 days after surgery when the dressing is definitively removed and will be tracked up to 3 months to record any late complications. During the immediate postoperative period and patient hospitalization and at the ambulatory visits after discharge, every time that the dressing is changed, nurses perform the study assessments. The main study outcome will be the percentage of patients with skin integrity at all times when the dressing has been changed. Skin integrity is a composite of the absence of blisters, erosion, erythema, maceration, swelling, wound dehiscence, and purulent exudates. Secondary outcomes include time to first change of dressing; percentage of patients with presence/absence of blisters, erosion, erythema, maceration, swelling, wound dehiscence, and purulent exudates; number of dressing changes needed; days of hospital stay; and nurse and patient satisfaction. Differences in the main variable between each treatment group and group 1 will be tested by means of a chi-squared test or Fisher's exact test. Subgroup analyses of diabetic and non-diabetic patients, patients with a body mass index of more than 30 or not more than 30, and type of surgery (hip or knee) are planned.DiscussionThe results of this study will be useful for clinical decision making by giving information on the contribution of the dressings studied to the outcome of the wound and may also show which dressing offers better results depending on the characteristics of patients.Trial registrationThis trial has been registered at ClinicalTrials.gov ( NCT03190447 ). Retrospectively registered on 16 June 2017.

Dataset Information

Polyester mesh dressings reduce delayed wound healing rates after total hip arthroplasty compared with silver-impregnated occlusive dressings.

Background

Methods

Results

Conclusions

Level of evidence

Publications

Polyester mesh dressings reduce delayed wound healing rates after total hip arthroplasty compared with silver-impregnated occlusive dressings.

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