期刊
ARCHIVES OF SURGERY
卷 143, 期 11, 页码 1050-1055出版社
AMER MEDICAL ASSOC
DOI: 10.1001/archsurg.143.11.1050
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类别
资金
- Ontario Cancer Research Network
- The Change Foundation
- University of Toronto
- Ministry of Health Career Scientist Award
Hypothesis: Physicians seem to learn best from their peers, yet the impact of opinion leaders on physician behavior is unclear. Because colon cancer staging has been identified as being suboptimal in Ontario, Canada, we sought to evaluate the influence of expert and local opinion leaders for colon cancer on optimizing colon cancer lymph node assessment. Design, Setting, Participants: A cluster-randomized trial including all hospitals in Ontario that identified a local opinion leader with intervention between January 5 and June 17, 2004. Intervention: All 42 centers received a standardized lecture about colon cancer lymph node assessment delivered by an expert opinion leader in colon cancer. The 21 intervention hospitals also received academic detailing of a local opinion leader by the expert opinion leader and a toolkit. Main Outcome Measures: Mean number of lymph nodes assessed in patients with stage II colon cancer and the proportion of cases staged with a minimum of 12 lymph nodes before and after a standardized lecture were assessed. Results: Patient demographic and tumor factors were similar in both groups before and after the standardized lecture. Lymph node assessment significantly improved after the standardized lecture at intervention and control sites (P < .001). No additional benefit of academic detailing and toolkit provision in the intervention was demonstrated. Conclusions: In-person provision of information by an expert opinion leader in colon cancer may stimulate performance regarding lymph node assessment for colon cancer. Academic detailing of a local opinion leader did not further improve lymph node assessment. Trial Registration: isrctn.org Identifier: ISRCTN56824239
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