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Supportive Care in Cancer

, Volume 26, Issue 10, pp 3619–3625 | Cite as

Advanced imaging and hospice use in end-of-life cancer care

  • Michaela A. Dinan
  • Lesley H. Curtis
  • Soko Setoguchi
  • Winson Y. Cheung
Original Article

Abstract

Introduction

Advanced imaging can inform prognosis and may be a mechanism to de-escalate unnecessary end-of-life care in patients with cancer. Associations between greater use of advanced imaging and less-aggressive end-of-life care in real-world practice has not been examined.

Methods

We conducted a retrospective analysis of SEER-Medicare data on patients who died from breast, lung, colorectal, or prostate cancer between 2002 and 2007. Hospital referral region (HRR)-level use of computerized tomography (CT), magnetic resonance imaging, and positron emission tomography was categorized by tertile of imaging use and correlated with hospice enrollment overall and late hospice enrollment using multivariable logistic regression.

Results

A total of 55,058 patients met study criteria. Hospice use ranged from 50.8% (colorectal cancer) to 62.1% (prostate cancer). In multivariable analyses, hospital referral regions (HRRs) with high rates of CT imaging were associated with lower odds of hospice enrollment (odds ratio, 0.80; 95% CI, 0.70–0.90) and late enrollment among those who did enroll (odds ratio, 1.49; 95% CI, 1.26–1.76). HRRs with the highest rates of CT use were predominantly located in the Midwest and Northeast and associated with higher percentage population of black patients (14.5 vs 5.6%), greater comorbidity (28.4 vs 23.7%), metropolitan residence (93.9 vs 78.5%), and less than high school education (26.4 vs 19.3%).

Conclusion

In this population-based retrospective study, we did not observe evidence that overall and timely hospice are associated with higher rates of imaging near the end of life. An observed association between higher rates of imaging, particularly CT, may be explained in part by HRR-level differences in practice patterns and patient demographic characteristics. Further research is warranted to explore the ability of oncologic imaging to appropriately de-escalate care.

Keywords

Breast neoplasms Colorectal neoplasms Diagnostic imaging Hospice care Lung neoplasms Outcome assessment (health care) Prostatic neoplasms 

Notes

Additional contributions

Damon M. Seils, MA, Duke University, assisted with manuscript preparation. Mr. Seils did not receive compensation for his assistance apart from his employment at the institution where the work was conducted.

Funding/support

Dr. Dinan was supported by grant KM1CA156687 from the National Cancer Institute.

Compliance with ethical standards

Ethical approval

The institutional review board of the Duke University Health System approved the study. For this type of study, formal consent is not required. This article does not contain any studies with animals performed by any of the authors.

Financial disclosures

None reported.

Disclaimer

The content of the manuscript is solely the responsibility of the authors and does not necessarily represent the official views of the National Cancer Institute or the National Institutes of Health.

Supplementary material

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Michaela A. Dinan
    • 1
    • 2
  • Lesley H. Curtis
    • 1
    • 2
  • Soko Setoguchi
    • 3
  • Winson Y. Cheung
    • 4
  1. 1.Duke Clinical Research InstituteDuke University School of MedicineDurhamUSA
  2. 2.Department of Population Health SciencesDuke University School of MedicineDurhamUSA
  3. 3.Department of EpidemiologyRutgers School of Public HealthPiscatawayUSA
  4. 4.Department of OncologyUniversity of CalgaryCalgaryCanada

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