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. 2020 Apr;9(2):209-218.
doi: 10.21037/gs.2020.01.20.

Implant-based immediate breast reconstruction: failure rate when radiating the tissue expander or the permanent implant-a meta-analysis

Víctor Fuertes  1 , Mónica Francés  2 , José M Casarrubios  2 , Javier Fernández-Palacios  2 , Jesús María González  3 , Juan Francisco Loro-Ferrer  4
Affiliations

Implant-based immediate breast reconstruction: failure rate when radiating the tissue expander or the permanent implant-a meta-analysis

Víctor Fuertes et al. Gland Surg. 2020 Apr.

Abstract

Background: Implant-based immediate approach remains to be a first line option for reconstruction of mastectomy defects. When combined with post-mastectomy radiation therapy (PMRT) two different schemas are possible: radiating the temporary tissue expander (TTE) or the permanent implant (PI). The present article intends to be the biggest cohort meta-analysis to the date comparing reconstructive failure (RF) rate in these two scenarios: PMRT to TE compared with PMRT to PI.

Methods: A systematic search of the literature was performed on PUBMED/MEDLINE. The following key words were chosen: Breast Reconstruction AND Implant based AND Immediate. The time limit applied was from January 2008 to January 2019. We selected ten articles (n=1,130) to perform a meta-analysis due to the similarity of their approaches. Secondly, we did a simple literature review in order to identify some variables possibly working as predicting factors for RF.

Results: Previous meta-analysis are analysed. Some variables possibly working as risk factors for RF are summarized. We performed a meta-analysis in two scenarios: a fixed-effect model and a random effect model. For the random effect model an OR of 1.85 was obtained (0.96, 3.57; P=0.067). A funnel plot is performed showing no publication bias exists.

Conclusions: There is a tendency towards a higher RF rate when the TTE is irradiated compared with the irradiation of the PI. Further studies trying to elucidate the influence of the suggested risk factors for RF have to be performed to stablish a consensus about the indications and contraindications of this reconstructive modality.

Keywords: Breast reconstruction; failure; implant; meta-analysis; radiotherapy.

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Conflict of interest statement

Conflicts of Interest: All authors have completed the ICMJE uniform disclosure form (available at http://dx.doi.org/10.21037/gs.2020.01.20). The authors have no conflicts of interest to declare.

Figures

Figure 1
Figure 1
Flow chart.
Figure 2
Figure 2
Meta-analysis: fixed and random effect models.
Figure 3
Figure 3
Meta-analysis (random effect model).
Figure 4
Figure 4
Sensitivity analysis (random effect model).
Figure 5
Figure 5
Funnel plot (random effect model).
See this image and copyright information in PMC

References

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