Background: An aberrant right hepatic artery (ARHA) is a common anatomic variation. The risk associated with ARHA during pancreaticoduodenectomy (PD) continues to be debated. The aim of this study was to compare the clinical outcomes and survival after PD with ARHA against a matched cohort of patients without ARHA.
Methods: PD with an ARHA performed between January 2000 and September 2009 were retrospectively analyzed. Patients with an ARHA (group 1) were matched (1:2) to patients without an ARHA (group 2) according to gender, age, body mass index, type of tumor, and lymph node status. Peri- and postoperative outcomes were compared between the two groups. Overall survival and disease-free survival were estimated by Kaplan-Meier method and compared with log-rank test.
Results: A total of 29 patients (group 1) and 55 patients (group 2) were compared. In group 1, an ARHA entered the tumor in six cases (20.7%), was sacrificed in four cases, and repaired in two cases. There was no difference regarding the rate of intraoperative and postoperative variables between the two groups. The oncological clearance (P = 0.731) and survival (overall survival, P = 0.843; disease-free survival, P = 0.832) were also similar.
Conclusions: Our study showed that the presence of an ARHA during PD was not associated with worse postoperative outcomes or survival.
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