Abstract
Purpose
Splenic vein (SV) ligation combined with portal vein (PV)/superior mesenteric vein (SMV) confluence resection during pancreaticoduodenectomy (PD) is reported to cause left-side portal hypertension (LPH). The purpose of this study was to present our technique of the SV reconstruction and to evaluate the surgical outcomes with/without SV ligation during PD.
Methods
Twenty-four patients undergoing PD with PV and/or SMV resection and being followed over 4 months after surgery between March 2013 and December 2019 in our hospital were evaluated. Resection of the PV/SMV confluence were performed in 14, and SV reconstruction was successfully performed in 3. Presence of LPH was assessed by examining changes in splenic volume, newly venous collateral formation, and platelet counts before and 4–8 months after PD. Surgical technique is the direct anastomosis between SV and PV.
Results
Splenic volume ratio was significantly higher in the SV ligation group (n = 11) than in the SV preservation group (n = 13) (median (range) 1.11 (0.57–1.62) vs. 1.68 (1.05–2.22), p < 0.01), but no significant differences were found in the incidence of newly formed venous collaterals or platelet counts between groups.
Conclusion
SV ligation may represent the cause of LPH after PD combined with resection of PV/SMV confluence. Our simple procedure may help decrease the incidence of LPH.
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Study conception and design: Yoshihiro Sakamoto, Acquisition of data: Ryota Matsuki, Yutaka Suzuki, Masaharu Kogure, Hirokazu Momose, Analysis and interpretation of data: Ryota Matsuki, Drafting of manuscript: Ryota Matsuki, Critical revision of manuscript: Toshiyuki Mori, Yoshihiro Sakamoto
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This study was approved by the institutional review board of Kyorin University (approval no. 1528) and was conducted in accordance with the Declaration of Helsinki. The need to obtain written informed consent from each patient was waived by the institutional review board; however, information about this study was made available to the patients to ensure that they could refuse to participate in this study.
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Matsuki, R., Momose, H., Kogure, M. et al. Direct splenic vein reconstruction combined with resection of the portal vein/superior mesenteric vein confluence during pancreaticoduodenectomy. Langenbecks Arch Surg 406, 1691–1695 (2021). https://doi.org/10.1007/s00423-020-02064-x
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DOI: https://doi.org/10.1007/s00423-020-02064-x