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Background <p>Reduction mammaplasty (RM) is a commonly performed plastic surgery procedure, but various postoperative complications have been noted. This study aims to identify and quantify the association between risk factors and the occurrence of postoperative complications following RM.</p> Methods <p>We systematically reviewed PubMed, Medline, Cochrane Library and Web of Science for relevant publications, extracting suspected risk factors and associated postoperative complications. Meta-analyses were then conducted to evaluate their associations.</p> Results <p>We included 61 articles encompassing 71,149 patients. Seven suspected risk factors and eighteen complications were identified. Five risk factors were significantly associated with any complications after RM: body mass index (BMI) ≥ 30&#xa0;kg/m<sup>2</sup> (OR 1.59, 95% CI 1.45–1.74, p = 0.000, I<sup>2</sup> = 35.2%); smoking (OR 1.80, 95% CI 1.29–2.50, p = 0.000, I<sup>2</sup> = 87.5%); diabetes (OR 1.41, 95% CI 1.11–1.79, p = 0.005, I<sup>2</sup> = 11.2%); previous radiation therapy (OR 3.24, 95% CI 1.94–5.40, p = 0.000, I<sup>2</sup> = 12.6%); and surgical techniques including inferior pedicle (IP) vs. superomedial pedicle (SMP) (OR 1.59, 95% CI 1.27–1.99, p = 0.000, I<sup>2</sup> = 27.5%); IP vs. medial pedicle (MP) (OR 2.34, 95% CI 1.48–3.72, p = 0.000, I<sup>2</sup> = 47.0%); and superior pedicle vs. SMP (OR 0.59, 95% CI 0.37–0.95, p = 0.028, I<sup>2</sup> = 0.0%). Furthermore, BMI ≥ 30&#xa0;kg/m<sup>2</sup> was linked to higher risks of delayed healing, fat necrosis, wound infection, and dehiscence. Previous radiation therapy increased the risks of fat necrosis, wound infection, and seroma. Smoking was associated with higher risks of wound infection and dehiscence. Compared to MP, IP had a higher risk of wound dehiscence; compared to SMP, IP had a higher risk of wound infection but a lower risk of seroma (all P &lt; 0.05).</p> Conclusions <p>These findings highlight the importance of comprehensive preoperative risk assessment and individualized surgical planning to minimize postoperative complications and improve patient outcomes.</p>

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Risk factors for complications after reduction mammaplasty: a systematic review and meta-analysis

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年6月2日

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  • Ran Ran,
  • Hao Wang,
  • Xing He,
  • Junjie Li,
  • Miao Yu,
  • Exian Mou,
  • Caiyang Liu

摘要

Background

Reduction mammaplasty (RM) is a commonly performed plastic surgery procedure, but various postoperative complications have been noted. This study aims to identify and quantify the association between risk factors and the occurrence of postoperative complications following RM.

Methods

We systematically reviewed PubMed, Medline, Cochrane Library and Web of Science for relevant publications, extracting suspected risk factors and associated postoperative complications. Meta-analyses were then conducted to evaluate their associations.

Results

We included 61 articles encompassing 71,149 patients. Seven suspected risk factors and eighteen complications were identified. Five risk factors were significantly associated with any complications after RM: body mass index (BMI) ≥ 30 kg/m2 (OR 1.59, 95% CI 1.45–1.74, p = 0.000, I2 = 35.2%); smoking (OR 1.80, 95% CI 1.29–2.50, p = 0.000, I2 = 87.5%); diabetes (OR 1.41, 95% CI 1.11–1.79, p = 0.005, I2 = 11.2%); previous radiation therapy (OR 3.24, 95% CI 1.94–5.40, p = 0.000, I2 = 12.6%); and surgical techniques including inferior pedicle (IP) vs. superomedial pedicle (SMP) (OR 1.59, 95% CI 1.27–1.99, p = 0.000, I2 = 27.5%); IP vs. medial pedicle (MP) (OR 2.34, 95% CI 1.48–3.72, p = 0.000, I2 = 47.0%); and superior pedicle vs. SMP (OR 0.59, 95% CI 0.37–0.95, p = 0.028, I2 = 0.0%). Furthermore, BMI ≥ 30 kg/m2 was linked to higher risks of delayed healing, fat necrosis, wound infection, and dehiscence. Previous radiation therapy increased the risks of fat necrosis, wound infection, and seroma. Smoking was associated with higher risks of wound infection and dehiscence. Compared to MP, IP had a higher risk of wound dehiscence; compared to SMP, IP had a higher risk of wound infection but a lower risk of seroma (all P < 0.05).

Conclusions

These findings highlight the importance of comprehensive preoperative risk assessment and individualized surgical planning to minimize postoperative complications and improve patient outcomes.