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. 2018 Feb 28:8:3.
doi: 10.1186/s13569-018-0091-0. eCollection 2018.

Different quality of treatment in retroperitoneal sarcomas (RPS) according to hospital-case volume and surgeon-case volume: a retrospective regional analysis in Italy

Sergio Sandrucci  1 , Agostino Ponzetti  2 , Claudio Gianotti  1 , Baudolino Mussa  3 , Patrizia Lista  2 , Giovanni Grignani  4 , Marinella Mistrangelo  2 , Oscar Bertetto  5 , Daniela Di Cuonzo  6 , Giovannino Ciccone  6
Affiliations

Different quality of treatment in retroperitoneal sarcomas (RPS) according to hospital-case volume and surgeon-case volume: a retrospective regional analysis in Italy

Sergio Sandrucci et al. Clin Sarcoma Res. .

Abstract

Background: Retroperitoneal sarcomas (RPS) should be surgically managed in specialized sarcoma centers. However, it is not clearly demonstrated if clinical outcome is more influenced by Center Case Volume (CCV) or by Surgeon Case Volume (SCV). The aim of this study is to retrospectively explore the relationship between CCV and SCV and the quality of surgery in a wide region of Northern Italy.

Methods: We retrospectively collected data about patients M0 surgically treated for RPSs in 22 different hospitals from 2006 to 2011, dividing them in two hospital groups according to sarcoma clinical activity volume (HCV, high case volume or LCV, low case volume hospitals). The HCV group (> 100 sarcomas observed per year) included a Comprehensive Cancer Center (HVCCC) with a high sarcoma SCV (> 20 cases/year), and a Tertiary Academic Hospital (HVTCA) with multiple surgeon teams and a low sarcoma SCV (≤ 5 cases/year for each involved surgeon). All other hospitals were included in the LCV group (< 100 sarcomas observed per year).

Results: Data regarding 138 patients were collected. Patients coming from LCV hospitals (66) were excluded from the analysis as prognostic data were frequently not available. Among the 72 remaining cases of HCV hospitals 60% of cases had R0/R1 margins, with a more favorable distribution of R0/R1 versus R2 in HVCCC compared to HVTCA.

Conclusions: In HCV hospitals, sarcoma SCV may significantly influence RPS treatment quality. In low-volume centers surgical reports can often miss important prognostic issues and surgical quality is generally poor.

Keywords: Hospital case volume; Multidisciplinary management; Quality of surgery; Retroperitoneal sarcomas; Retrospective analysis; Surgeon case volume.

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Figures

Fig. 1
Fig. 1
Series distribution according to activity volumes adopting the 100 cases/year cut-off rule suggested by NICE [9]
Fig. 2
Fig. 2
Analysis of margin involvement and specimen fragmentation according to the hospital of treatment (HVCCC versus HVTCA). P values are derived from Chi square test
Fig. 3
Fig. 3
Kaplan-Meyer curves according with the status of surgical margins (R0/R1 versus R2) patients from HVCCC versus patients from HVTCA
See this image and copyright information in PMC

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