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Influence of caseload and surgical speciality on outcome following surgery for colorectal cancer: a review of evidence Part 2: Long‐term outcome
Author(s) -
Iversen L. H.,
Harling H.,
Laurberg S.,
WilleJørgensen P.
Publication year - 2007
Publication title -
colorectal disease
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.029
H-Index - 89
eISSN - 1463-1318
pISSN - 1462-8910
DOI - 10.1111/j.1463-1318.2006.01095.x
Subject(s) - medicine , colorectal cancer , odds ratio , stoma (medicine) , colostomy , cochrane library , cancer , general surgery , medline , confidence interval , colorectal surgery , surgery , abdominal surgery , political science , law
Objective We reviewed recent literature to assess the impact of hospital caseload, surgeon's caseload and education on long‐term outcome following colorectal cancer surgery. Method We searched the MEDLINE and Cochrane Library databases for relevant literature starting from 1992. We selected hospital caseload, surgeon's caseload and surgeon's education, type of hospital, and surgeon's experience as variables of interest. Measures of outcome were recurrence‐free survival and overall survival, and for rectal cancer frequency of permanent stoma. We reviewed the 34 studies according to tumour location: colonic cancer, rectal cancer, or colorectal cancer. We described the studies individually and performed a meta‐analysis whenever it was considered appropriate. Results For colonic cancer, overall survival improved with increasing hospital caseload, odds ratio (OR) 1.22 [95% confidence interval (CI) 1.16–1.28], and surgeon's education. For rectal cancer, overall survival improved with increasing hospital caseload, OR 1.38 (95% CI 1.19–1.60), and, possibly by surgeon’ education and experience. Cancer‐free survival was strongly influenced by surgeon's education. The colostomy rate was less in high caseload hospitals, OR 0.76 (95% CI 0.68–0.85). For colorectal cancer, overall survival improved with surgeon's education. Conclusion The data have provided evidence that long‐term survival following colorectal cancer surgery in general improved significantly with increasing hospital caseload and surgeon's education.