Abstract
Purpose
Few comparative studies are available on the long-term prognostic role of mesopancreas (MP) excision after pancreaticoduodenectomy (PD). We compared the long-term outcomes of patients undergoing standard PD (sPD) and PD with MP excision (PD-MPe).
Methods
Sixty sPDs were compared to 60 matched PD-MPe patients for intraoperative and postoperative data, histopathological findings, and long-term outcomes.
Results
R0 rate was similar in the two groups (p = 0.17). However, PD-MPe related to a lower rate of MP resection margin positivity (16.7% vs 5%; p = 0.04) and to a higher harvested lymph nodes number (19.8 ± 7.6 vs 10.1 ± 5.1; p < 0.0001). Local tumor recurrence was more frequent in the sPD cohort (55.5% vs 26.8% in the PD-MPe group; p = 0.002), with a consequent worse disease-free survival (DFS) (14.8% vs 22.3%; p = 0.04). An inferior 5-year overall survival (OS) was noted in case of MP margin positivity compared with MP margin negativity (0% vs 29%; p < 0.0001). MP positivity resulted as an independent prognostic factor for both a worse OS and DFS at the multivariate analysis.
Conclusion
PD-MPe offers clinical advantages in terms of MP resection margin status, local recurrence, long-term mortality, and DFS. The lower MP positivity rate, achieved with PD-MPe, leads to better outcomes both in terms of OS and DFS.
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Data and material are available at claudio.fiorillo@hotmail.it.
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Study conception and design: GQ, SA, CF. Acquisition of data: CC, RM, FG, FS, FI. Analysis and interpretation of data: FL, FR, APT, MCG. Drafting of manuscript: GQ, CF. Critical revision of manuscript: SA, FI, APT.
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Quero, G., Fiorillo, C., Menghi, R. et al. Total mesopancreas excision for periampullary malignancy: a single-center propensity score-matched comparison of long-term outcomes. Langenbecks Arch Surg 405, 303–312 (2020). https://doi.org/10.1007/s00423-020-01873-4
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DOI: https://doi.org/10.1007/s00423-020-01873-4