Preoperative Deep and Superficial Venous Thrombosis in Limb Salvage Candidates: A Contraindication to Microsurgical Free Flap Reconstruction? Lessons Learned from Our 13-year Institutional Experience

Rachel N. Rohrich; Hannah Soltani; Ryan P. Lin; Sami Ferdousian; Karen R. Li; Meghan E. Currin; Lelia I. Jones; Richard C. Youn; Christopher E. Attinger; Cameron M. Akbari; Karen K. Evans

doi:10.1055/a-2717-4448

Journal of Reconstructive Microsurgery, Table of Contents

J Reconstr Microsurg
DOI: 10.1055/a-2717-4448

Original Article

Preoperative Deep and Superficial Venous Thrombosis in Limb Salvage Candidates: A Contraindication to Microsurgical Free Flap Reconstruction? Lessons Learned from Our 13-year Institutional Experience

Authors

Rachel N. Rohrich

¹Department of Plastic and Reconstructive Surgery, MedStar Georgetown University Hospital, Washington, District of Columbia, United States
Hannah Soltani

¹Department of Plastic and Reconstructive Surgery, MedStar Georgetown University Hospital, Washington, District of Columbia, United States
Ryan P. Lin

¹Department of Plastic and Reconstructive Surgery, MedStar Georgetown University Hospital, Washington, District of Columbia, United States
Sami Ferdousian

¹Department of Plastic and Reconstructive Surgery, MedStar Georgetown University Hospital, Washington, District of Columbia, United States

²Georgetown University School of Medicine, Washington, District of Columbia, United States
Karen R. Li

²Georgetown University School of Medicine, Washington, District of Columbia, United States
Meghan E. Currin

¹Department of Plastic and Reconstructive Surgery, MedStar Georgetown University Hospital, Washington, District of Columbia, United States
Lelia I. Jones

¹Department of Plastic and Reconstructive Surgery, MedStar Georgetown University Hospital, Washington, District of Columbia, United States
Richard C. Youn

¹Department of Plastic and Reconstructive Surgery, MedStar Georgetown University Hospital, Washington, District of Columbia, United States
Christopher E. Attinger

¹Department of Plastic and Reconstructive Surgery, MedStar Georgetown University Hospital, Washington, District of Columbia, United States
Cameron M. Akbari

³Department of Vascular Surgery, MedStar Georgetown University Hospital, Washington, District of Columbia, United States
Karen K. Evans

¹Department of Plastic and Reconstructive Surgery, MedStar Georgetown University Hospital, Washington, District of Columbia, United States

Abstract

Background

Although arterial inflow considerations dominate microsurgical planning, venous outflow is equally vital for flap survival. Patients requiring free tissue transfer (FTT) for lower extremity (LE) reconstruction frequently present with occult preoperative venous thrombosis (VT), yet there are little data guiding perioperative management in this setting. This study examines the prevalence and clinical characteristics of patients with preoperative venous thrombosis (VT) undergoing LE FTT, as well as postoperative outcomes, to evaluate the feasibility of successful microsurgery in this high-risk cohort.

Methods

A retrospective review of patients with preoperative VT undergoing LE FTT at a single institution was conducted.

Results

Among 279 patients, 43 (15.4%) were positive for VT. The overall deep VT (DVT) incidence in this population was 5.7% (n = 16/279) and the superficial VT (SVT) incidence was 10.0% (n = 28/279). Most thromboses were chronic (67.8%). There were two cases of takeback (4.7%) due to thrombosis (one arterial and one venous), of which one flap was salvaged. By a median follow-up duration of 9.7 months, a limb salvage rate of 88.4% was achieved.

Conclusion

Preoperative VT is common in microsurgical candidates for limb salvage; however, it is not a contraindication to FTT if proper adjustments are made perioperatively. Considerations include (1) routine use of venous ultrasound to identify VT; (2) perioperative anticoagulation management, including IVC filter placement when indicated; (3) selection of recipient veins that are unaffected by VT; (4) prioritizing the use of two deep veins for anastomosis when feasible; and (5) incorporating implantable devices to monitor venous outflow.

Keywords

venous thrombosis - limb salvage - free flap - microsurgery - deep venous thrombosis

Full Text

References

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