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Core Outcomes for Colorectal Cancer Surgery: A Consensus Study. | LitMetric

AI Article Synopsis

  • Colorectal cancer (CRC) is a significant global health issue, necessitating improved surgical treatment methods and standardized outcome measurements to enhance research efficacy and understanding of surgical impacts.
  • This study aimed to establish a "core" set of outcomes for evaluating CRC surgery by gathering input from both patients and professionals through systematic reviews, interviews, and feedback surveys, significantly narrowing down from 1,216 potential outcomes.
  • The resulting outcome set was refined via a Delphi method and consensus meetings involving international professionals and patients, ultimately identifying 45 key outcomes that should be consistently measured across clinical trials.

Article Abstract

Background: Colorectal cancer (CRC) is a major cause of worldwide morbidity and mortality. Surgical treatment is common, and there is a great need to improve the delivery of such care. The gold standard for evaluating surgery is within well-designed randomized controlled trials (RCTs); however, the impact of RCTs is diminished by a lack of coordinated outcome measurement and reporting. A solution to these issues is to develop an agreed standard "core" set of outcomes to be measured in all trials to facilitate cross-study comparisons, meta-analysis, and minimize outcome reporting bias. This study defines a core outcome set for CRC surgery.

Methods And Findings: The scope of this COS includes clinical effectiveness trials of surgical interventions for colorectal cancer. Excluded were nonsurgical oncological interventions. Potential outcomes of importance to patients and professionals were identified through systematic literature reviews and patient interviews. All outcomes were transcribed verbatim and categorized into domains by two independent researchers. This informed a questionnaire survey that asked stakeholders (patients and professionals) from United Kingdom CRC centers to rate the importance of each domain. Respondents were resurveyed following group feedback (Delphi methods). Outcomes rated as less important were discarded after each survey round according to predefined criteria, and remaining outcomes were considered at three consensus meetings; two involving international professionals and a separate one with patients. A modified nominal group technique was used to gain the final consensus. Data sources identified 1,216 outcomes of CRC surgery that informed a 91 domain questionnaire. First round questionnaires were returned from 63 out of 81 (78%) centers, including 90 professionals, and 97 out of 267 (35%) patients. Second round response rates were high for all stakeholders (>80%). Analysis of responses lead to 45 and 23 outcome domains being retained after the first and second surveys, respectively. Consensus meetings generated agreement on a 12 domain COS. This constituted five perioperative outcome domains (including anastomotic leak), four quality of life outcome domains (including fecal urgency and incontinence), and three oncological outcome domains (including long-term survival).

Conclusion: This study used robust consensus methodology to develop a core outcome set for use in colorectal cancer surgical trials. It is now necessary to validate the use of this set in research practice.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4978448PMC
http://dx.doi.org/10.1371/journal.pmed.1002071DOI Listing

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