Dataset Information

Free Flap Failure and Contracture Recurrence in Delayed Burn Reconstruction: A Systematic Review and Meta-analysis.

ABSTRACT:

Background

Free tissue transfer is often considered a last resort in burn reconstruction due to its complexity and associated risks. A comprehensive review on free flap outcomes in delayed burn reconstruction is currently lacking. The study aimed to evaluate the available evidence on the failure and contracture recurrence rates in free flap delayed burn reconstruction.

Methods

A systematic review and meta-analysis was conducted and reported according to Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidelines. The protocol was registered on PROSPERO (CRD42023404478). The following databases were accessed: Embase, PubMed, Web of Science, and Cochrane Library. The measured outcomes were free flap loss and contracture recurrence rate.

Results

Of the 1262 retrieved articles, 40 qualified for inclusion, reporting on 1026 free flaps performed in 928 patients. The mean age was 29.25 years [95% confidence interval (CI), 24.63-33.88]. Delayed burn reconstruction was performed at an average of 94.68 months [95% CI, - 9.34 to 198.70] after initial injury, with a follow-up period of 23.02 months [95% CI, 4.46-41.58]. Total flap loss rate was 3.80% [95% CI, 2.79-5.16] and partial flap loss rate was 5.95% [95% CI, 4.65-7.57]. Interestingly, burn contracture recurrence rate was 0.62% [95% CI, 0.20-1.90].

Conclusions

This systematic review provides a comprehensive evaluation of the free flap outcomes in delayed burn reconstruction. The flap loss rate was relatively low, given the complexity of the procedure and potential risks. Furthermore, burn contracture rate was found to be extremely low. This study demonstrates that free flaps are a safe and effective option for delayed burn reconstruction.

SUBMITTER: Liu HY

PROVIDER: S-EPMC11315556 | biostudies-literature | 2024 Aug

REPOSITORIES: biostudies-literature

ACCESS DATA

Publications

Free Flap Failure and Contracture Recurrence in Delayed Burn Reconstruction: A Systematic Review and Meta-analysis.

Liu Hilary Y HY Alessandri-Bonetti Mario M Kasmirski Julia A JA Stofman Guy M GM Egro Francesco M FM

Plastic and reconstructive surgery. Global open 20240809 8

<h4>Background</h4>Free tissue transfer is often considered a last resort in burn reconstruction due to its complexity and associated risks. A comprehensive review on free flap outcomes in delayed burn reconstruction is currently lacking. The study aimed to evaluate the available evidence on the failure and contracture recurrence rates in free flap delayed burn reconstruction.<h4>Methods</h4>A systematic review and meta-analysis was conducted and reported according to Preferred Reporting Items f ...[more]

PMID: 39129842

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Project description:BackgroundOncological safety of different types and timings of PMBR after breast cancer remains controversial. Lack of stratified risk assessment in literature makes current clinical and shared decision-making complex. This is the first systematic review and meta-analysis to evaluate differences in oncological outcomes after immediate versus delayed postmastectomy breast reconstruction (PMBR) for autologous and implant-based PMBR separately.MethodsA systematic literature search was performed in MEDLINE, Cochrane Library, and Embase. The Cochrane Collaboration Handbook and Meta-analysis Of Observational Studies in Epidemiology checklist were followed for data abstraction. Variability in point estimates attributable to heterogeneity was assessed using I2 -statistic. (Loco)regional breast cancer recurrence rates, distant metastasis rates, and overall breast cancer recurrence rates were pooled in generalized linear mixed models using random effects.ResultsFifty-five studies, evaluating 14,217 patients, were included. When comparing immediate versus delayed autologous PMBR, weighted average proportions were: 0.03 (95% confidence interval [CI], 0.02-0.03) versus 0.02 (95% CI, 0.01-0.04), respectively, for local recurrences, 0.02 (95% CI, 0.01-0.03) versus 0.02 (95% CI, 0.01-0.03) for regional recurrences, and 0.04 (95% CI, 0.03-0.06) versus 0.01 (95% CI, 0.00-0.03) for locoregional recurrences. No statistically significant differences in weighted average proportions for local, regional and locoregional recurrence rates were observed between immediate and delayed autologous PMBR. Data did not allow comparing weighted average proportions of distant metastases and total breast cancer recurrences after autologous PMBR, and of all outcome measures after implant-based PMBR.ConclusionsDelayed autologous PMBR leads to similar (loco)regional breast cancer recurrence rates compared to immediate autologous PMBR. This study highlights the paucity of strong evidence on breast cancer recurrence after specific types and timings of PMBR.Lay summeryOncologic safety of different types and timings of postmastectomy breast reconstruction (PMBR) remains controversial. Lack of stratified risk assessment in literature makes clinical and shared decision-making complex. This meta-analysis showed that delayed autologous PMBR leads to similar (loco)regional recurrence rates as immediate autologous PMBR. Data did not allow comparing weighted average proportions of distant metastases and total breast cancer recurrence after autologous PMBR, and of all outcome measures after implant-based PMBR. Based on current evidence, oncological concerns do not seem a valid reason to withhold patients from certain reconstructive timings or techniques, and patients should equally be offered all reconstructive options they technically qualify for.

Project description:BackgroundBreast reconstruction using the latissimus dorsi (LD) flap is one of the most popular and common breast reconstruction techniques among Asian patients. There are increasing numbers of cases wherein breasts need to be reconstructed to moderate to large sizes among the Asian population. Most reconstructive surgeons use abdominal-based flaps-such as the deep inferior epigastric perforator and transverse rectus abdominis myocutaneous flap, or LD flap with an implant-to supplement the volume. Here, we compare the usefulness of the boomerang LD (bLD) flap-a technique developed by modifying the design of the conventional extended LD flap-with that of the LD flap with implant (LDi).MethodsThis was a prospective cohort study including patients with breast cancer aged between 25 and 60 years who underwent unilateral total or skin/nipple-sparing mastectomy, or postmastectomy. The exclusion criteria were advanced breast cancer (stages 3 and 4); a history of cognitive impairment affecting ability to complete the self-reported questionnaire; a history of neurologic or musculoskeletal disorder; and a history of alcohol or drug abuse. Statistical analysis was performed, and correlations between the two technique types were analyzed [including age, body mass index, preoperative breast volume, operation time, flap elevation time, admission duration, adjuvant treatment (radiotherapy, chemotherapy), drain indwelling duration, and drain total sum volume].ResultsIn total, 85 patients who underwent immediate breast construction through the LDi group (n=63) or bLD group (n=25) techniques after total mastectomy between January 2015 and June 2022 were analyzed (mean age: LDi group, 46±7.7 years; bLD group, 45.6±7.8 years). We observed that the flap weight, operative time, mean admission duration, and drain indwelling duration were statistically significantly different in the bLD group (P<0.05). Body mass index, preoperative breast volume, specimen weight, flap elevation time, and drain total time were comparable between groups.ConclusionsBreast reconstruction using the bLD flap was found to be a suitable alternative technique for patients who desire an autologous tissue transfer (rather than an implant) but are contraindicated for abdominal-based flaps and do not mind long postoperative scars.

Dataset Information

Free Flap Failure and Contracture Recurrence in Delayed Burn Reconstruction: A Systematic Review and Meta-analysis.

Background

Methods

Results

Conclusions

Publications

Free Flap Failure and Contracture Recurrence in Delayed Burn Reconstruction: A Systematic Review and Meta-analysis.

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