The Influence of Hospital Volume on Circumferential Resection Margin Involvement: Results of the Dutch Surgical Colorectal Audit.

Abstract:

UNLABELLED:This population-based study evaluates the association between hospital volume and CRM (circumferential resection margin) involvement, adjusted for other confounders, in rectal cancer surgery. A low hospital volume (<20 cases/year) was independently associated with a higher risk of CRM involvement (odds ratio=1.54; 95% CI: 1.12-2.11). OBJECTIVE:To evaluate the association between hospital volume and CRM (circumferential resection margin) involvement in rectal cancer surgery. BACKGROUND:To guarantee the quality of surgical treatment of rectal cancer, the Association of Surgeons of the Netherlands has stated a minimal annual volume standard of 20 procedures per hospital. The influence of hospital volume has been examined for different outcome variables in rectal cancer surgery. Its influence on the pathological outcome (CRM) however remains unclear. As long-term outcomes are best predicted by the CRM status, this parameter is of essential importance in the debate on the justification of minimal volume standards in rectal cancer surgery. METHODS:Data from the Dutch Surgical Colorectal Audit (2011-2012) were used. Hospital volume was divided into 3 groups, and baseline characteristics were described. The influence of hospital volume on CRM involvement was analyzed, in a multivariate model, between low- and high-volume hospitals, according to the minimal volume standards. RESULTS:This study included 5161 patients. CRM was recorded in 86% of patients. CRM involvement was 11% in low-volume group versus 7.7% and 7.9% in the medium- and high-volume group (P≤0.001). After adjustment for relevant confounders, the influence of hospital volume on CRM involvement was still significant odds ratio (OR) = 1.54; 95% CI: 1.12-2.11). CONCLUSIONS:The outcomes of this pooled analysis support minimal volume standards in rectal cancer surgery. Low hospital volume was independently associated with a higher risk of CRM involvement (OR = 1.54; 95% CI: 1.12-2.11).

journal_name

Ann Surg

journal_title

Annals of surgery

authors

Gietelink L,Henneman D,van Leersum NJ,de Noo M,Manusama E,Tanis PJ,Tollenaar RA,Wouters MW,Dutch Surgical Colorectal Cancer Audit Group.

doi

10.1097/SLA.0000000000001009

subject

Has Abstract

pub_date

2016-04-01 00:00:00

pages

745-50

issue

4

eissn

0003-4932

issn

1528-1140

journal_volume

263

pub_type

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