The Comparison of Scars in Breast Implantation Surgery with Inframammary Fold Incision Versus Axillary Incision: A Prospective Cohort Study in Chinese Patients

Abstract

Background

A prospective cohort study was developed to compare the surgical scars in the axilla and the inframammary fold at short-, medium- and long-term time periods after surgery.

Methods

Patients who underwent primary breast augmentation with implants in our department were divided into two groups based on the incision location they chose and were followed up for scar assessment at 1 month, 6 months and 12 months post-surgery from June 2012 to March 2016. Each scar was evaluated by the Vancouver Scar Scale (VSS) and patient satisfaction score. The data were analyzed with Wilcoxon rank-sum tests, Cochran–Armitage trend tests and Fisher's exact probability tests based on the data type.

Results

One hundred and sixty-three patients were completely investigated three times. Ninety-four patients underwent breast augmentation surgeries with implants through axillary approaches and 69 patients through IMF approaches. At 1 month after surgery, the median total VSS score was 6 in the axillary incision group and 4 in the IMF group, with statistically significant differences (P < 0.05). Larger proportions of high scores in terms of vascularity and height were found in the axillary incision group (P < 0.05). At 6 months after surgery, the median total VSS score was 4 in the axillary incision group and 3 in the IMF group, with statistical significance (P < 0.05). The axillary group still had a larger proportion of high scores in terms of vascularity and height than that of the IMF group (P < 0.05). At 12 months after surgery, the median total VSS score was 2 in both groups. The median patient satisfaction score was 9 in both groups. No significant differences were noted in the total VSS and patient satisfaction scores between the two groups. However, the axillary group had a larger proportion of high scores in terms of vascularity and low scores in terms of pliability.

Conclusions

The total VSS score for the axillary incision group was significantly higher than that for the IMF incision group one and 6 months after surgery, mainly on the subscales of vascularity and height. At 12 months after surgery, the total VSS scores were not different between the two groups, and patients with both kinds of incisions were highly satisfied with scar appearance. The research confirmed that the scars at two locations can achieve comparable appearance in the long term after surgery.

Level of Evidence III

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