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Electronic Trigger-Based Intervention to Reduce Delays in Diagnostic Evaluation for Cancer: A Cluster Randomized Controlled Trial

Randomized Controlled Trial

. 2015 Nov 1;33(31):3560-7. doi: 10.1200/JCO.2015.61.1301. Epub 2015 Aug 24. Electronic Trigger-Based Intervention to Reduce Delays in Diagnostic Evaluation for Cancer: A Cluster Randomized Controlled Trial

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Randomized Controlled Trial

Electronic Trigger-Based Intervention to Reduce Delays in Diagnostic Evaluation for Cancer: A Cluster Randomized Controlled Trial

Daniel R Murphy et al. J Clin Oncol. 2015.

. 2015 Nov 1;33(31):3560-7. doi: 10.1200/JCO.2015.61.1301. Epub 2015 Aug 24. Affiliations

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Abstract

Purpose: We tested whether prospective use of electronic health record-based trigger algorithms to identify patients at risk of diagnostic delays could prevent delays in diagnostic evaluation for cancer.

Methods: We performed a cluster randomized controlled trial of primary care providers (PCPs) at two sites to test whether triggers that prospectively identify patients with potential delays in diagnostic evaluation for lung, colorectal, or prostate cancer can reduce time to follow-up diagnostic evaluation. Intervention steps included queries of the electronic health record repository for patients with abnormal findings and lack of associated follow-up actions, manual review of triggered records, and communication of this information to PCPs via secure e-mail and, if needed, phone calls to ensure message receipt. We compared times to diagnostic evaluation and proportions of patients followed up between intervention and control cohorts based on final review at 7 months.

Results: We recruited 72 PCPs (36 in the intervention group and 36 in the control group) and applied the trigger to all patients under their care from April 20, 2011, to July 19, 2012. Of 10,673 patients with abnormal findings, the trigger flagged 1,256 patients (11.8%) as high risk for delayed diagnostic evaluation. Times to diagnostic evaluation were significantly lower in intervention patients compared with control patients flagged by the colorectal trigger (median, 104 v 200 days, respectively; n = 557; P < .001) and prostate trigger (40% received evaluation at 144 v 192 days, respectively; n = 157; P < .001) but not the lung trigger (median, 65 v 93 days, respectively; n = 19; P = .59). More intervention patients than control patients received diagnostic evaluation by final review (73.4% v 52.2%, respectively; relative risk, 1.41; 95% CI, 1.25 to 1.58).

Conclusion: Electronic trigger-based interventions seem to be effective in reducing time to diagnostic evaluation of colorectal and prostate cancer as well as improving the proportion of patients who receive follow-up. Similar interventions could improve timeliness of diagnosis of other serious conditions.

Trial registration: ClinicalTrials.gov NCT01346839.

© 2015 by American Society of Clinical Oncology.

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Conflict of interest statement

Authors' disclosures of potential conflicts of interest are found in the article online at www.jco.org . Author contributions are found at the end of this article.

Figures

Fig 1.

Study flow diagram. (*) Seven…

Fig 1.

Study flow diagram. (*) Seven of the 72 providers left their respective facilities…

Fig 1.

Study flow diagram. (*) Seven of the 72 providers left their respective facilities during the study period, and triggers were immediately modified to cease evaluating data of their patients.

Fig 2.

Effect of trigger-based intervention on…

Fig 2.

Effect of trigger-based intervention on time to diagnostic evaluation for (A) colorectal cancer,…

Fig 2.

Effect of trigger-based intervention on time to diagnostic evaluation for (A) colorectal cancer, (B) prostate cancer, and (C) lung cancer.

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