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Sarcoma Resection With and Without Vascular Reconstruction: A Matched Case-control Study.

George A Poultsides1, Thuy B Tran, Eduardo Zambrano

  • 1*Department of Surgery, Division of Surgical Oncology, Stanford University, Stanford, CA †Department of Pathology, Stanford University, Stanford, CA ‡Department of Statistics, Stanford University, Stanford, CA §Department of Orthopaedic Surgery, Stanford University, Stanford, CA ¶Department of Surgery, Division of Vascular Surgery, Stanford University, Stanford, CA ||Department of Medicine, Division of Oncology, Stanford University, Stanford, CA.

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Summary
This summary is machine-generated.

Major vascular resection during sarcoma surgery increases complications but does not worsen long-term oncologic outcomes. This procedure should not deter sarcoma resection when necessary.

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Area of Science:

  • Surgical Oncology
  • Vascular Surgery
  • Sarcoma Research

Background:

  • En bloc resection and reconstruction of major vessels is an emerging technique in sarcoma surgery.
  • Limited data exists on the perioperative and oncologic outcomes of this complex surgical approach.

Purpose of the Study:

  • To evaluate the impact of major vascular resection on sarcoma resection outcomes.
  • To compare perioperative morbidity, mortality, local recurrence, and survival rates between sarcoma patients with and without vascular reconstruction.

Main Methods:

  • A retrospective matched-cohort study comparing sarcoma patients undergoing major vascular resection (VASC) with those not undergoing vascular reconstruction (NO-VASC).
  • Patients were matched 1:2 based on anatomic site, histology, grade, size, metastasis, and resection type.
  • Exclusion criteria included R2 resections. Primary endpoints were perioperative complications, mortality, local recurrence, and survival.

Main Results:

  • The VASC group (50 patients) experienced significantly higher rates of any complication (74% vs. 44%) and grade ≥3 complications (38% vs. 18%) compared to the NO-VASC group (100 patients).
  • Transfusion rates were also higher in the VASC group (66% vs. 33%).
  • No significant differences were observed in 30-day or 90-day mortality, 5-year local recurrence rates (51% vs. 54%), or 5-year overall survival (59% vs. 53%).

Conclusions:

  • Major vascular resection in sarcoma surgery is associated with increased perioperative morbidity, necessitating careful preoperative planning.
  • Oncologic outcomes, including local recurrence and survival, appear comparable to sarcoma resections without vascular involvement.
  • The need for vascular resection and reconstruction should not preclude sarcoma resection.