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In 217 adults undergoing abdominoplasty after massive weight loss, preoperative BMI was the factor most strongly associated with resection weight. Resection weight was not significantly associated with postoperative complications, although small effects could not be excluded.
This retrospective study analyzed 217 adults who underwent abdominoplasty after massive weight loss (excess weight loss ≥50%) at the Medical University of Graz between 2012 and 2023. The mean age was 45 years and 76% were female. The mean preoperative BMI was 26.3 kg/m² and the mean resection weight was 1,727 g. The researchers examined which factors were related to the weight of tissue removed and whether that weight influenced postoperative complications.
The results showed that preoperative BMI had the strongest association with resection weight. In multivariable analysis, higher BMI, female sex, presence of metabolic disease, and concomitant belt lipectomy were associated with higher resection weight, explaining 56% of the variance. Postoperative complications occurred in 76 patients (35.0%). In adjusted analysis, younger age and preoperative anemia were associated with the composite complication endpoint, but resection weight did not show a significant association.
The authors conclude that resection weight was not significantly associated with composite, major, or wound-specific complications, although smaller effects cannot be excluded. This suggests that other factors, such as age and preoperative anemia, may be more relevant in predicting complications.
In consultation, the patient should ask: Does my current BMI and weight loss history influence how much skin will be removed? Do I have anemia or other conditions that increase the risk of complications? Will any additional procedure such as belt lipectomy be performed and how does that affect the risk? What measures can be taken to reduce the risk of complications?
This content summarizes scientific publications and professional-society guidelines; it does not replace your surgeon's or anesthesiologist's evaluation. Every item links its original source.