Significant Improvement in Outcomes of Patients with Intrahepatic Cholangiocarcinoma after Surgery.

Abstract:

BACKGROUND:The prognosis of intrahepatic cholangiocarcinoma (ICC) remains poor despite improvements in treatment and post-operative clinical management. We review our experiences and evaluate our current surgical approaches by comparing patients from two consecutive treatment periods. METHODS:One hundred forty-four patients who underwent hepatectomy for ICC between 1993 and 2014 were divided into groups that received treatment before (n = 65, first period) and after 2006 (n = 79, second period), when new treatment options such as adjuvant chemotherapy and multimodal therapy for recurrence were introduced. Clinicopathological characteristics and survival outcomes were compared between the groups. RESULTS:First-period patients exhibited more advanced tumor characteristics, including larger tumors, higher serum carbohydrate antigen 19-9 levels, and vascular invasion. Median overall survival (OS) durations of the first- and second-period groups were 21.4 and 57.7 months, respectively (p < 0.001); corresponding median disease-free survival (DFS) durations were 12.2 and 16.6 months, respectively (p = 0.027). Multivariate analysis found an independent association of the treatment time period with OS and DFS. Notably, second-period patients with N1 disease achieved a longer OS and DFS (median OS time: 12.4 and 26.0 months, p = 0.0018, and median DFS: 4.7 and 10.7 months p = 0.019, respectively). Among recurrent patients (first, n = 50 and second, n = 44), second-period patients had a significantly longer survival after recurrence (8.0 vs. 22.3 months, p < 0.001). CONCLUSION:ICC patients, particularly those with N1 disease, achieved significant survival improvements that were partly attributable to patient selection, adjuvant chemotherapy, and multimodal treatment after recurrence.

journal_name

World J Surg

journal_title

World journal of surgery

authors

Yoh T,Hatano E,Nishio T,Seo S,Taura K,Yasuchika K,Okajima H,Kaido T,Uemoto S

doi

10.1007/s00268-016-3583-1

subject

Has Abstract

pub_date

2016-09-01 00:00:00

pages

2229-36

issue

9

eissn

0364-2313

issn

1432-2323

pii

10.1007/s00268-016-3583-1

journal_volume

40

pub_type

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