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Impact of hospital volume on outcomes after emergency management of obstructive colon cancer: a nationwide study of 1957 patients

Abstract : PURPOSE Volume-outcome relationship is well established in elective colorectal surgery for cancer, but little is known for patients managed for obstructive colon cancer (OCC). We aimed to compare the management and outcomes according to the hospital volume in this particular setting. METHODS:Patients managed for OCC between 2005 and 2015 in centers of the French National Surgical Association were retrospectively analyzed. Hospital volume was dichotomized between low and high volume on the median number of patients included per center during the study period. RESULTS A total of 1957 patients with OCC were managed in 56 centers with a median number of 28 (1-123) patients per center: 298 (15%) were treated in low-volume hospitals (LVHs) and 1659 (85%) in high-volume hospitals (HVHs). Patients in LVH were significantly younger, and had fewer comorbidities and synchronous metastases. Proximal diverting stoma was the preferred surgical option in LVH (p < 0.0001), whereas tumor resection with primary anastomosis was more frequently performed in HVH (p < 0.0001). Cumulative morbidity (59 vs. 50%, p = 0.003), mortality (13 vs. 8%, p = 0.03), and length of hospital stay (22 ± 19 vs. 18 ± 14 days, p = 0.002) were significantly higher in LVH. At multivariate analysis, LVH was a predictor for cumulative morbidity (p < 0.0001) and mortality (p = 0.03). There was no difference between the two groups for tumor resection and stoma rates, and for oncological outcomes. CONCLUSIONS The hospital volume has no impact on outcomes after the first-stage surgery in OCC patients. When all surgical stages are considered, hospital volume influences cumulative postoperative morbidity and mortality but has no impact on oncological outcomes.
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https://hal-normandie-univ.archives-ouvertes.fr/hal-02870078
Contributor : Sabine Douville <>
Submitted on : Tuesday, June 16, 2020 - 2:37:04 PM
Last modification on : Wednesday, August 19, 2020 - 12:08:24 PM

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Mathilde Aubert, Diane Mege, Gilles Manceau, Valerie Bridoux, Zaher Lakkis, et al.. Impact of hospital volume on outcomes after emergency management of obstructive colon cancer: a nationwide study of 1957 patients. International Journal of Colorectal Disease, Springer Verlag, 2020, ⟨10.1007/s00384-020-03602-1⟩. ⟨hal-02870078⟩

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