Abstract
Background
The latissimus dorsi (LD) flap is a versatile option for breast reconstruction. However, the indications are limited because of volume discrepancy between the breast and the flap. We conducted this study to identify preoperative factors associated with the volume discrepancy in patients undergoing breast reconstruction with the extended LD flap.
Methods
A retrospective study was performed in 69 patients (69 breasts) who underwent breast reconstruction with the extended LD flap between March 2015 and March 2018. We evaluated age, body weight, height, preoperative body mass index (BMI), postoperative BMI, breast skin defect size, breast volume, flap volume, and volume discrepancy [breast volume − flap volume].
Results
Mean age, height, body weight, preoperative BMI, postoperative BMI, skin defect size, breast volume, flap volume, and volume discrepancy were 45.6 ± 7.1, 157.8 ± 0.1, 59 ± 8.1, 23.7 ± 3.2, 23.5 ± 3.3, 16.5 ± 9.3, 252.2 ± 107.1, 229.4 ± 95.6, and 32.6 ± 31.4, respectively. Spearman’s rank correlation coefficients indicated significant positive linear correlations between volume discrepancy and preoperative BMI (correlation coefficient = 0.267, P = 0.027), volume discrepancy and breast volume (correlation coefficient = 0.472, P < 0.001), and between volume discrepancy and skin defect size (correlation coefficient = 0.609, P < 0.001). Stepwise multiple regression analysis yielded the following formula: predicted log volume discrepancy (ml) = 1.2891 + 0.0639 × skin defect size + 0.0025 × breast volume (R2 = 0.421).
Conclusion
Skin defect size and breast volume were preoperative factors associated with volume discrepancy in patients who have undergone breast reconstruction with the extended LD flap. Considering these factors, we can predict the lack of volume and plan any necessary secondary procedures.
Level of Evidence IV
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266_2019_1417_MOESM4_ESM.tif
Supplementary Figure 4. Preoperative CT scan. The breast volume was measured in the axial section of right breast. (white arrow) (TIFF 461 kb)
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Supplementary Figure 5. Postoperative CT scan. The reconstructed right breast with extended LD flap is shown in the axial section. (yellow arrow) (TIFF 516 kb)
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Kim, J.H., Song, J.K., Baek, S.O. et al. Identifying Preoperative Factors Associated with the Volume Discrepancy in Patients Undergoing Breast Reconstruction with the Extended Latissimus Dorsi Musculocutaneous Flap Coverage. Aesth Plast Surg 43, 1490–1496 (2019). https://doi.org/10.1007/s00266-019-01417-2
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DOI: https://doi.org/10.1007/s00266-019-01417-2