Evidence map›Paper›PMID 32060606›Full record

ArticleInternational journal of colorectal disease2020

A real-world, population-based study of the outcomes of patients with metastatic colorectal cancer to the peritoneum treated with or without cytoreductive surgery.

Omar Abdel-Rahman

Abstract read
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Article in International journal of colorectal disease, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
3.1field-weighted citation impact, top 8% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

14 citing papers in PubMed, 21 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

1 author at 1 institution in 1 country.

Omar Abdel-RahmanDepartment of Oncology, University of Alberta, Cross Cancer Institute, Edmonton, Alberta, T6G 1Z2, Canada. omar.abdelsalam@ahs.ca.ORCID http://orcid.org/0000-0002-5117-2502
University of Alberta · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveTo assess the outcomes of metastatic colorectal cancer patients with isolated peritoneal metastasis who were treated with or without cytoreductive surgery in a contemporary real-world, population-based cohort.

methodsSurveillance, Epidemiology, and End Results (SEER) database has been accessed and metastatic colorectal cancer patients to the peritoneum who have no evidence of other sites of distant metastases and who were diagnosed 2010-2015 were reviewed. Multivariable logistic regression analysis was then used to assess the patient- and treatment-related factors predicting the decision to do cytoreductive surgery. Kaplan-Meier survival estimates were used to compare overall survival according to cytoreductive surgery. Multivariable Cox regression analysis was additionally used to assess the impact of cytoreductive surgery on colorectal cancer-specific survival.

resultsA total of 3153 records were reviewed in the current analysis. Using Kaplan-Meier survival estimates, cytoreductive surgery was associated with improved overall survival (median overall survival, 19 months for patients with cytoreductive surgery versus 12 months for patients without cytoreductive surgery; P < 0.001). In an adjusted Cox regression model evaluating the impact of cytoreductive surgery on colorectal cancer-specific survival, cytoreductive surgery was associated with better colorectal cancer-specific survival (hazard ratio for death among patients who did not have cytoreductive surgery versus patients who had cytoreductive surgery, 1.312; 95% CI, 1.175-1.465; P < 0.001).

conclusionsCytoreductive surgery is associated with improved survival outcomes among colorectal cancer patients with peritoneal metastasis and no evidence of other distant metastases. Opimal utilization of this intervention needs to be further evaluated in prospective controlled trials.

Indexed as

Cytoreduction Surgical ProceduresAdultAgedCohort StudiesColorectal NeoplasmsDisease-Free SurvivalFemaleHumansKaplan-Meier EstimateLogistic ModelsMaleMiddle AgedMultivariate AnalysisPeritoneal NeoplasmsProportional Hazards ModelsTreatment OutcomeColorectal cancerCytoreductionPeritoneal metastasisSurgery

Identifiers

PMID32060606
OpenAlexW3005953221

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.