Background: The relationship between sarcopenia and patient outcomes after pancreaticoduodenectomy (PD) for distal cholangiocarcinoma (DCC) remains unclear. We assessed the impact of sarcopenia on the outcomes after PD for DCC.
Methods: We retrospectively analysed 65 patients who underwent PD for DCC. The quality of skeletal muscle indicated by the psoas muscle mass index (PMI) were measured on pre-operative computed tomography images. The impact of pre-operative sarcopenia on short- and long-term outcomes was evaluated.
Results: Regarding short-term surgical outcomes, there were no marked differences between the high and low PMI groups. Regarding long-term oncological outcomes, the rates of recurrence (23.5% versus 58.3%, P = 0.011) was significantly lower in the high PMI group than in the low PMI group. Furthermore, the recurrence-free survival and disease-specific survival were longer in the high PMI group (P = 0.023 and P = 0.043, respectively). On multivariate analyses, low PMI was an independent predictor of recurrence (hazard ratio (HR) 11.06; P = 0.022) and disease-specific death (HR 11.88; P = 0.043).
Conclusions: Our findings suggested an association between pre-operative sarcopenia and poor long-term oncological outcomes after PD for DCC.
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