The Volume-Outcome Relationship in Retroperitoneal Soft Tissue Sarcoma: Evidence of Improved Short- and Long-Term Outcomes at High-Volume Institutions

Sarcoma
Sanjay P BagariaNabil Wasif

Abstract

We sought to study the association between RPS case volume and outcomes. Although a relationship has been demonstrated between case volume and patient outcomes in some cancers, such a relationship has not been established for retroperitoneal sarcomas (RPSs). The National Cancer Database (NCDB) was queried for patients undergoing treatment for primary RPS diagnosed between 2004 and 2013. Mean annual patient volume for RPS resection was calculated for all hospitals and divided into low volume (<5 cases/year), medium volume (5-10 cases/year), and high volume (>10 cases/year). Risk-adjusted regression analyses were performed to identify predictors of 30-day surgical mortality, R0 margin status, and overall survival (OS). Our study population consisted of 5,407 patients with a median age of 61 years, of whom 47% were male and 3,803 (70%) underwent surgical resection. Absolute 30-day surgical mortality and R0 margin rate following surgery for low-, medium-, and high-volume institutions were 2.4%, 1.3%, and 0.5% (p=0.027) and 68%, 65%, and 82%, (p < 0.001), respectively. Five-year overall survival rates for low, medium, and high-volume institutions were 56%, 57%, and 66%, respectively (p < 0.001). Patients treated at low-volume instit...Continue Reading

References

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Citations

Feb 17, 2021·Annals of Surgical Oncology·Richard J StrakerGiorgos C Karakousis
Jul 28, 2020·Advances in Surgery·Sophia K McKinleyJohn T Mullen
Mar 27, 2021·American Society of Clinical Oncology Educational Book·Thierry AlcindorDavid M Thomas

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Methods Mentioned

BETA
surgical resection
dissection
biopsies
surgical resections

Software Mentioned

TARPSWG

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