Regionalization of Head and Neck Cancer Surgery May Fragment Care and Impact Overall Survival

Author Type(s)

Student

Document Type

Article

Publication Date

August 2018

DOI

10.1002/lary.27440

Journal Title

The Laryngoscope

Abstract

OBJECTIVE: While surgical treatment concentrates in tertiary care centers, an increasing number of patients request postoperative radiation therapy (PORT) at a separate center closer to home. Our goal was to determine whether fragmentation of surgery and PORT were associated with poorer oncologic outcomes. METHODS: We conducted a retrospective cohort study of 32,813 head and neck cancer patients treated with surgery and PORT in the National Cancer Data Base. Our main outcome was overall survival (OS). Statistical analysis included chi(2) , t tests, Kaplan-Meier, and Cox regression analysis. RESULTS: Fragmented care was independently associated with increased risk of mortality (hazard ratio [HR], 1.08; 95% confidence interval [CI], 1.03-1.13), whereas distance to surgical center > 30 miles (HR, 0.92; 95% CI, 0.87-0.97) was associated with improved OS. On subgroup analysis, fragmented care was associated with decreased OS only among patients who had surgery at an academic center (HR, 1.10; 95% CI, 1.04-1.17). Within academic centers, greater distance from the surgical center was associated with improved survival only in patients who received PORT at the same facility (HR, 0.85; 95% CI, 0.78-0.93), but this effect was negated among patients who had fragmented care (HR, 0.97; 95% CI, 0.85-1.11). CONCLUSION: When cancer care is fragmented, there is no longer a survival benefit for patients to travel for surgical care at academic medical centers. Fragmented care is independently associated with worse survival, and further research is needed to evaluate the causes of this difference in survival to determine if improving care coordination can mitigate this survival difference. LEVEL OF EVIDENCE: NA. Laryngoscope, 2018.

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