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Background <p>Lipedema is a chronic adipose tissue disorder characterized by abnormal and disproportionate fat accumulation in the extremities, leading to pain, edema, and functional impairment. Liposuction has become a central component of surgical management. However, postoperative complications, particularly seroma formation, remain a concern.</p> Objectives <p>To evaluate the incidence of postoperative seroma and associated risk factors in patients undergoing liposuction for lipedema treatment, based on procedures performed by a single surgical team in a single institution.</p> Methods <p>This retrospective observational study included 93 female patients who underwent liposuction for lipedema between April 2019 and January 2024. Data collected included demographic variables, body mass index (BMI), anesthesia type, volume of aspirated fat, percentage of body weight removed, use of adjunct technologies (ultrasound or laser), association with other surgeries such as varicose vein surgery, and prior conservative treatment. The primary outcome was the development of postoperative seroma. Statistical analysis included Chi-square and Student’s t-tests and multivariable logistic regression, with significance set at p ≤ 0.05.</p> Results <p>Among 93 cases, 17 patients (18.3%) developed postoperative seroma. Higher volumes of aspirated fat (% body weight) were significantly associated with seroma formation (7.27% vs. 5.84%, p = 0.005). Concomitant minor procedures were also linked to increased seroma incidence (p = 0.035). No seromas occurred in patients treated using ultrasound-assisted liposuction. Minor complications included one infection and one hematoma (1.07%).</p> Conclusions <p>Liposuction for lipedema is a safe and effective surgical option with a low rate of major complications, but seroma remains a relatively frequent postoperative finding. Higher aspirated fat volumes relative to body weight and the presence of concomitant procedures increase the risk of seroma. No seromas were observed in the ultrasound-assisted group; however, this difference did not reach statistical significance and should be considered only as hypothesis-generating. Further studies are needed to validate these findings and guide surgical decision-making.</p> Level of Evidence IV <p>This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors <a href="http://www.springer.com/00266">www.springer.com/00266</a>.</p>

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Postoperative Seroma in Lipedema Surgery: A Retrospective Analysis of 93 Cases from a Single Surgical Team

  • 期刊论文

  • 发表日期：

    2026年5月4日

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  • Fernando Campos Moraes Amato,
  • Lorena Guimarães Lima Amato,
  • Alexandre Campos Moraes Amato,
  • Daniel Augusto Benitti

摘要

Background

Lipedema is a chronic adipose tissue disorder characterized by abnormal and disproportionate fat accumulation in the extremities, leading to pain, edema, and functional impairment. Liposuction has become a central component of surgical management. However, postoperative complications, particularly seroma formation, remain a concern.

Objectives

To evaluate the incidence of postoperative seroma and associated risk factors in patients undergoing liposuction for lipedema treatment, based on procedures performed by a single surgical team in a single institution.

Methods

This retrospective observational study included 93 female patients who underwent liposuction for lipedema between April 2019 and January 2024. Data collected included demographic variables, body mass index (BMI), anesthesia type, volume of aspirated fat, percentage of body weight removed, use of adjunct technologies (ultrasound or laser), association with other surgeries such as varicose vein surgery, and prior conservative treatment. The primary outcome was the development of postoperative seroma. Statistical analysis included Chi-square and Student’s t-tests and multivariable logistic regression, with significance set at p ≤ 0.05.

Results

Among 93 cases, 17 patients (18.3%) developed postoperative seroma. Higher volumes of aspirated fat (% body weight) were significantly associated with seroma formation (7.27% vs. 5.84%, p = 0.005). Concomitant minor procedures were also linked to increased seroma incidence (p = 0.035). No seromas occurred in patients treated using ultrasound-assisted liposuction. Minor complications included one infection and one hematoma (1.07%).

Conclusions

Liposuction for lipedema is a safe and effective surgical option with a low rate of major complications, but seroma remains a relatively frequent postoperative finding. Higher aspirated fat volumes relative to body weight and the presence of concomitant procedures increase the risk of seroma. No seromas were observed in the ultrasound-assisted group; however, this difference did not reach statistical significance and should be considered only as hypothesis-generating. Further studies are needed to validate these findings and guide surgical decision-making.

Level of Evidence IV

This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.