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- Title
Trends in the Incidence, Treatment and Outcomes of Patients with Intrahepatic Cholangiocarcinoma in the USA: Facility Type is Associated with Margin Status, Use of Lymphadenectomy and Overall Survival.
- Authors
Wu, Lu; Tsilimigras, Diamantis I.; Paredes, Anghela Z.; Mehta, Rittal; Hyer, J. Madison; Merath, Katiuscha; Sahara, Kota; Bagante, Fabio; Beal, Eliza W.; Shen, Feng; Pawlik, Timothy M.
- Abstract
Introduction: Intrahepatic cholangiocarcinoma (ICC) remains an uncommon disease with a rising incidence worldwide. We sought to identify trends in therapeutic approaches and differences in patient outcomes based on facility types. Methods: Between January 1, 2004, and December 31, 2015, a total of 27,120 patients with histologic diagnosis of ICC were identified in the National Cancer Database and were enrolled in this study. Results: The incidence of ICC patients increased from 1194 in 2004 to 3821 in 2015 with an average annual increase of 4.16% (p < 0.001). Median survival of the cohort improved over the last 6 years of the study period (2004–2009: 8.05 months vs. 2010–2015: 9.49 months; p < 0.001). Among surgical patients (n = 5943, 21.9%), the incidence of R0 resection, lymphadenectomy and harvest of ≥6 lymph nodes increased over time (p < 0.001). Positive surgical margins (referent R0: R1, HR 1.49, 95% CI 1.24–1.79, p < 0.001) and treatment at community cancer centers (referent academic centers; HR 1.24, 95% CI 1.04–1.49, p = 0.023) were associated with a worse prognosis. Patients treated at academic centers had higher rates of R0 resection (72.4% vs. 67.7%; p = 0.006) and lymphadenectomy (55.6% vs. 49.5%, p = 0.009) versus community cancer centers. Overall survival was also better at academic versus community cancer programs (median OS: 11 months versus 6 months, respectively; p < 0.001). Conclusions: The incidence of ICC has increased over the last 12 years in the USA with a moderate improvement in survival over time. Treatment at academic cancer centers was associated with higher R0 resection and lymphadenectomy rates, as well as improved OS for patients with ICC.
- Subjects
UNITED States; LYMPHADENECTOMY; TREATMENT effectiveness; CHOLANGIOCARCINOMA; LYMPHOCELE; SURGICAL site; RARE diseases
- Publication
World Journal of Surgery, 2019, Vol 43, Issue 7, p1777
- ISSN
0364-2313
- Publication type
Article
- DOI
10.1007/s00268-019-04966-4