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Closed-Incision Negative-Pressure Therapy in Obese Patients Undergoing Cesarean Delivery: A Randomized Controlled Trial.

ABSTRACT: Background ?Postcesarean wound morbidity is a costly complication of cesarean delivery for which preventative strategies remain understudied. Objective ?We compared surgical site occurrences (SSOs) in cesarean patients receiving closed-incision negative-pressure therapy (ciNPT) or standard-of-care (SOC) dressing. Study Design ?A single-center randomized controlled trial compared ciNPT (5-7 days) to SOC dressing (1-2 days) in obese women (body mass index [BMI]???35), undergoing cesarean delivery between 2012 and 2014. Participants were randomized 1:1 and monitored 42?±?10 days postoperatively. The primary outcome SSOs included unanticipated local inflammation, wound infection, seroma, hematoma, dehiscence, and need for surgical or antibiotic intervention. Results ?Of the 92 randomized patients, 82 completed the study. ciNPT and SOC groups had similar baseline characteristics. Mean BMI was 46.5?±?6.5 and no treatment-related serious adverse events. Compared with SOC, the ciNPT group had fewer SSOs (7/43 [16.3%] vs. 2/39 [5.1%], respectively; p? =?0.16); significantly fewer participants with less incisional pain both at rest (39/46 [84.8%] vs. 20/46 [43.5%]; p ?

SUBMITTER: Gunatilake RP

PROVIDER: S-EPMC5511052 | biostudies-literature | 2017 Jul

REPOSITORIES: biostudies-literature

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Closed-Incision Negative-Pressure Therapy in Obese Patients Undergoing Cesarean Delivery: A Randomized Controlled Trial.

Gunatilake Ravindu P RP Swamy Geeta K GK Brancazio Leo R LR Smrtka Michael P MP Thompson Jennifer L JL Gilner Jennifer B JB Gray Beverly A BA Heine Robert Phillips RP

AJP reports 20170714 3

Background Postcesarean wound morbidity is a costly complication of cesarean delivery for which preventative strategies remain understudied. Objective We compared surgical site occurrences (SSOs) in cesarean patients receiving closed-incision negative-pressure therapy (ciNPT) or standard-of-care (SOC) dressing. Study Design A single-center randomized controlled trial compared ciNPT (5-7 days) to SOC dressing (1-2 days) in obese women (body mass index [BMI] ≥ 35), undergoi ...[more]

PMID: 28717587

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Project description:ObjectiveTo determine the effectiveness of closed incision negative pressure wound therapy (NPWT) compared with standard dressings in preventing surgical site infection (SSI) in obese women undergoing caesarean section.DesignMulticentre, pragmatic, randomised, controlled, parallel group, superiority trial.SettingFour Australian tertiary hospitals between October 2015 and November 2019.ParticipantsEligible women had a pre-pregnancy body mass index of 30 or greater and gave birth by elective or semi-urgent caesarean section.Intervention2035 consenting women were randomised before the caesarean procedure to closed incision NPWT (n=1017) or standard dressing (n=1018). Allocation was concealed until skin closure.Main outcome measuresThe primary outcome was cumulative incidence of SSI. Secondary outcomes included depth of SSI (superficial, deep, or organ/body space), rates of wound complications (dehiscence, haematoma, seroma, bleeding, bruising), length of stay in hospital, and rates of dressing related adverse events. Women and clinicians were not masked, but the outcome assessors and statistician were blinded to treatment allocation. The pre-specified primary intention to treat analysis was based on a conservative assumption of no SSI for a minority of women (n=28) with missing outcome data. Post hoc sensitivity analyses included best case analysis and complete case analysis.ResultsIn the primary intention to treat analysis, SSI occurred in 75 (7.4%) women treated with closed incision NPWT and in 99 (9.7%) women with a standard dressing (risk ratio 0.76, 95% confidence interval 0.57 to 1.01; P=0.06). Post hoc sensitivity analyses to explore the effect of missing data found the same direction of effect (closed incision NPWT reducing SSI), with statistical significance. Blistering occurred in 40/996 (4.0%) women who received closed incision NPWT and in 23/983 (2.3%) who received the standard dressing (risk ratio 1.72, 1.04 to 2.85; P=0.03).ConclusionProphylactic closed incision NPWT for obese women after caesarean section resulted in a 24% reduction in the risk of SSI (3% reduction in absolute risk) compared with standard dressings. This difference was close to statistical significance, but it likely underestimates the effectiveness of closed incision NPWT in this population. The results of the conservative primary analysis, multivariable adjusted model, and post hoc sensitivity analysis need to be considered alongside the growing body of evidence of the benefit of closed incision NPWT and given the number of obese women undergoing caesarean section globally. The decision to use closed incision NPWT must also be weighed against the increases in skin blistering and economic considerations and should be based on shared decision making with patients.Trial registrationANZCTR identifier 12615000286549.

Project description:ObjectiveThis study aimed to evaluate the effect of a novel antimicrobial dressing on patient satisfaction and health-related quality of life (HRQoL) following a cesarean delivery.Study designThis was an open-label, single-center, two-arm randomized controlled trial. This study was done at the tertiary center, maternal unit, Galveston, TX. Pregnant women with body mass indices ≥35 kg/m2 were screened for eligibility. Women were randomized to ReliaTect Post-Op Dressing (RELIATECT) or standard wound dressing (STANDARD). Primary outcome was patient satisfaction and HRQoL using validated questionnaires. Secondary outcomes were provider satisfaction, surgical site infection (SSI) rates, and wound complications.ResultsIn total, 160 women were randomized. Population characteristics were not significant among groups. RELIATECT dressing group had an overall higher score of satisfaction and HRQoL compared with STANDARD group. Women in the RELIATECT group reported less incision odor and incisional pain. Compared with the STANDARD group, most women in RELIATECT dressing group reported better daily activities, self-esteem, personal hygiene, body image, and sleep. Providers reported that the RELIATECT dressing allowed better assessment of the surgical incision site, allowed patients to shower early, and did observe less wound dressing leakage. No differences were found in other secondary end points.ConclusionPostcesarean RELIATECT dressing for wound care in pregnant women with obesity had better patient and provider satisfaction as well as better HRQoL scores. Further, level 1 evidence is needed to assess its impact on SSI rates and wound complication, as this trial was not powered to accomplish this goal.Key points· This study was conducted to evaluate RELIATECT on patient satisfaction and HRQoL following a cesarean.. · Post-cesarean RELIATECT dressing for wound care had better HRQoL and patient and provider satisfaction scores.. · This is the first randomized controlled trial evaluating RELIATECT dressing in obese pregnant women undergoing cesarean section..

Project description:AimsThe primary objective of this study was to compare the postoperative infection rate between negative pressure wound therapy (NPWT) and conventional dressings for closed incisions following soft-tissue sarcoma (STS) surgery. Secondary objectives were to compare rates of adverse wound events and functional scores.MethodsIn this prospective, single-centre, randomized controlled trial (RCT), patients were randomized to either NPWT or conventional sterile occlusive dressings. A total of 17 patients, with a mean age of 54 years (21 to 81), were successfully recruited and none were lost to follow-up. Wound reviews were undertaken to identify any surgical site infection (SSI) or adverse wound events within 30 days. The Toronto Extremity Salvage Score (TESS) and Musculoskeletal Tumor Society (MSTS) score were recorded as patient-reported outcome measures (PROMs).ResultsThere were two out of seven patients in the control group (28.6%), and two out of ten patients in the intervention group (20%) who were diagnosed with a SSI (p > 0.999), while one additional adverse wound event was identified in the control group (p = 0.593). No significant differences in PROMs were identified between the groups at either 30 days (TESS, p = 0.987; MSTS, p = 0.951) or six-month (TESS, p = 0.400) follow-up. However, neoadjuvant radiotherapy was significantly associated with a SSI within 30 days of surgery, across all patients (p = 0.029). The mean preoperative modified Glasgow Prognostic Score (mGPS) was also significantly higher among patients who developed a postoperative adverse wound event (p = 0.028), including a SSI (p = 0.008), across both groups.ConclusionThis is the first RCT comparing NPWT with conventional dressings following musculoskeletal tumour surgery. Postoperative wound complications are common in this group of patients and we observed an overall SSI rate of 23.5%. We propose proceeding to a multicentre trial, which will help more clearly define the role of closed incision NPWT in STS surgery. Cite this article: Bone Jt Open 2021;2(12):1049-1056.

Project description:ImportanceObesity increases the risk of both cesarean delivery and surgical-site infection. Despite widespread use, it is unclear whether prophylactic negative pressure wound therapy reduces surgical-site infection after cesarean delivery in obese women.ObjectiveTo evaluate whether prophylactic negative pressure wound therapy, initiated immediately after cesarean delivery, lowers the risk of surgical-site infections compared with standard wound dressing in obese women.Design, setting, and participantsMulticenter randomized trial conducted from February 8, 2017, through November 13, 2019, at 4 academic and 2 community hospitals across the United States. Obese women undergoing planned or unplanned cesarean delivery were eligible. The study was terminated after 1624 of 2850 participants were recruited when a planned interim analysis showed increased adverse events in the negative pressure group and futility for the primary outcome. Final follow-up was December 18, 2019.InterventionsParticipants were randomly assigned to either undergo prophylactic negative pressure wound therapy, with application of the negative pressure device immediately after repair of the surgical incision (n = 816), or receive standard wound dressing (n = 808).Main outcomes and measuresThe primary outcome was superficial or deep surgical-site infection according to the Centers for Disease Control and Prevention definitions. Secondary outcomes included other wound complications, composite of surgical-site infections and other wound complications, and adverse skin reactions.ResultsOf the 1624 women randomized (mean age, 30.4 years, mean body mass index, 39.5), 1608 (99%) completed the study: 806 in the negative pressure group (median duration of negative pressure, 4 days) and 802 in the standard dressing group. Superficial or deep surgical-site infection was diagnosed in 29 participants (3.6%) in the negative pressure group and 27 (3.4%) in the standard dressing group (difference, 0.36%; 95% CI, -1.46% to 2.19%, P = .70). Of 30 prespecified secondary end points, 25 showed no significant differences, including other wound complications (2.6% vs 3.1%; difference, -0.53%; 95% CI, -1.93% to 0.88%; P = .46) and composite of surgical-site infections and other wound complications (6.5% vs 6.7%; difference, -0.27%; 95% CI, -2.71% to 2.25%; P = .83). Adverse skin reactions were significantly more frequent in the negative pressure group (7.0% vs 0.6%; difference, 6.95%; 95% CI, 1.86% to 12.03%; P < .001).Conclusions and relevanceAmong obese women undergoing cesarean delivery, prophylactic negative pressure wound therapy, compared with standard wound dressing, did not significantly reduce the risk of surgical-site infection. These findings do not support routine use of prophylactic negative pressure wound therapy in obese women after cesarean delivery.Trial registrationClinicalTrials.gov Identifier: NCT03009110.

Dataset Information

Closed-Incision Negative-Pressure Therapy in Obese Patients Undergoing Cesarean Delivery: A Randomized Controlled Trial.

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Closed-Incision Negative-Pressure Therapy in Obese Patients Undergoing Cesarean Delivery: A Randomized Controlled Trial.

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