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Thrombocytosis, or high platelet count, increases the risk of free flap failure in breast reconstruction. Platelet counts over 250 K/mcL are linked to higher flap failure rates, suggesting a need for personalized anticoagulation strategies.

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Area of Science:

  • Plastic Surgery
  • Surgical Oncology
  • Vascular Surgery

Background:

  • Microvascular free tissue transfer is a common method for autologous tissue breast reconstruction.
  • Free flap failure, often due to thrombosis, remains a significant risk despite meticulous surgical care.
  • Identifying modifiable risk factors for flap failure is crucial for improving patient outcomes.

Purpose of the Study:

  • To investigate the association between thrombocytosis (high platelet count) and the incidence of free flap failure in breast reconstruction.
  • To determine if elevated platelet counts are an independent risk factor for breast free flap failure.

Main Methods:

  • Retrospective analysis of 7522 female patients undergoing breast reconstruction with free flaps (2015-2020).
  • Utilized the National Surgical Quality Improvement Program database to identify patient comorbidities and preoperative laboratory tests.
  • Multivariate regression analysis was employed to assess risk factors for free flap failure.

Main Results:

  • Free flap failure occurred in 2.7% of patients (n=203).
  • Independent risk factors for flap failure included current smoking (AOR 1.7) and dyspnea (AOR 2.6).
  • Each 50 K/mcL increase in platelet count was associated with increased odds of flap failure (AOR 1.2, P < 0.001); counts >250 K/mcL showed significantly higher failure rates.

Conclusions:

  • Elevated platelet counts (thrombocytosis), particularly >250 K/mcL, are significantly associated with increased risk of free flap failure in breast reconstruction.
  • These findings suggest that preoperative platelet levels are a critical factor in assessing flap failure risk.
  • Future research should explore personalized anticoagulation protocols based on hemostatic metrics to enhance free flap survival.