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Effect of contralateral augmentation on postoperative complications after the second stage of tissue expander/implant breast reconstruction.
Gland Surgery 2020 October
BACKGROUND: Contralateral augmentation mammoplasty in implant-based reconstruction could potentially lead to deterioration of the thickness of the mastectomy skin flap and increase postoperative complications of the reconstructed breast. We compared the complication rates of the reconstructed breast in the augmentation and no-augmentation groups among patients undergoing tissue expander/implant breast reconstruction.
METHODS: Patients who underwent mastectomy followed by tissue expander/implant breast reconstruction between February 2010 and April 2018 were retrospectively reviewed. The primary outcome measures were complications and the need for a revision operation. The augmentation and no-augmentation groups underwent propensity score-matched analysis and the matched cases underwent multivariable logistic regression analysis.
RESULTS: From the 234 patients in the augmentation group and 517 patients in the no-augmentation group, 200 propensity score-matched pairs were obtained. Analysis of the matched pairs revealed that the augmentation group as compared to the no-augmentation group showed a significantly higher overall complication rate (13.5 percent versus 6.5 percent; P=0.025) and revision operation rate (9.0 percent versus 3.0 percent; P=0.019). Multivariable conditional logistic regression analyses of the matched cases revealed that contralateral augmentation (odds ratio, 3.457; 95% confidence interval, 1.039-11.498; P=0.043) was associated with increased odds for a revision operation of the reconstructed breast.
CONCLUSIONS: This study investigated the postoperative complications of the reconstructed breast associated with contralateral augmentation mammoplasty in patients who underwent mastectomy followed by tissue expander/implant breast reconstruction. The augmentation group had a higher revision operation rate than did the no-augmentation group. A clinical evaluation of the risks and benefits of contralateral augmentation and preoperative counseling may be indicated for patients who are undergoing implant-based breast reconstruction and are candidates for contralateral augmentation mammoplasty.
METHODS: Patients who underwent mastectomy followed by tissue expander/implant breast reconstruction between February 2010 and April 2018 were retrospectively reviewed. The primary outcome measures were complications and the need for a revision operation. The augmentation and no-augmentation groups underwent propensity score-matched analysis and the matched cases underwent multivariable logistic regression analysis.
RESULTS: From the 234 patients in the augmentation group and 517 patients in the no-augmentation group, 200 propensity score-matched pairs were obtained. Analysis of the matched pairs revealed that the augmentation group as compared to the no-augmentation group showed a significantly higher overall complication rate (13.5 percent versus 6.5 percent; P=0.025) and revision operation rate (9.0 percent versus 3.0 percent; P=0.019). Multivariable conditional logistic regression analyses of the matched cases revealed that contralateral augmentation (odds ratio, 3.457; 95% confidence interval, 1.039-11.498; P=0.043) was associated with increased odds for a revision operation of the reconstructed breast.
CONCLUSIONS: This study investigated the postoperative complications of the reconstructed breast associated with contralateral augmentation mammoplasty in patients who underwent mastectomy followed by tissue expander/implant breast reconstruction. The augmentation group had a higher revision operation rate than did the no-augmentation group. A clinical evaluation of the risks and benefits of contralateral augmentation and preoperative counseling may be indicated for patients who are undergoing implant-based breast reconstruction and are candidates for contralateral augmentation mammoplasty.
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