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Erschienen in:
08.09.2020 | Reconstructive Oncology
Comparisons Between Normal Body Mass Index and Overweight Patients Who Underwent Unilateral Microsurgical Breast Reconstructions
Erschienen in: Annals of Surgical Oncology | Ausgabe 1/2021
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Background
This study compared the outcomes of unilateral microsurgical breast reconstructions using abdomen-based flaps between normal body mass index (BMI; 18.5 < BMI < 24.9 kg/m2) and overweight (25 < BMI < 29.9 kg/m2) patients.
Methods
Between March 2000 and December 2015, patients who underwent unilateral breast reconstructions using abdomen-based flaps were retrospectively evaluated. Outcomes variables evaluated included the flap-used weight, flap-used/flap-harvested percentage, flap-used/specimen percentage, complication rates, revision procedures, and quality of life using the Breast-Q questionnaires.
Results
A total of 415 patients with a mean age of 45.3 ± 8.2 years underwent 418 abdomen-based flaps. The overall success rate was 98.8%, with 99.1% and 97.9% of patients included in the normal BMI and overweight groups, respectively (p = 0.36). The mean flap-used weight and flap-used/flap-harvested values of 461 ± 132.1 g and 82.2 ± 11.6%, respectively, in the normal BMI group were statistically different from values of 610 ± 148.9 g and 71.4 ± 14.1% in the overweight group (both p < 0.01). The mean flap-used/specimen percentage was 118.5 ± 32.9 and 111.7 ± 36.6 in the normal BMI and overweight groups, respectively (p = 0.26). At a mean follow-up of 135 ± 55.4 months, there were no statistical differences between the two groups in terms of total complication rates (25.7% vs. 29.2%; p = 0.30), revision times (36.1% vs. 36.5%; p = 0.91) and all four domains (all p > 0.05) of the Breast-Q.
Conclusions
Patients with a normal BMI required a smaller flap-used weight but higher flap-used/flap-harvested percentage for unilateral microsurgical breast reconstructions that could be performed with a high success rate and comparable complication and revision rates.