Usefulness of fluorescence vascular imaging for evaluating splenic perfusion.

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Abstract

BACKGROUND

The aim of this study was to confirm whether intraoperative fluorescence vascular imaging using indocyanine green (FVI-ICG) is useful for evaluating splenic perfusion after spleen-preserving distal pancreatectomy (SPDP) performed with the Warshaw technique (SPDP-W).

METHODS

We evaluated the blood perfusion of the spleen with an intraoperative FVI-ICG system after SPDP-W. All of the patients underwent dynamic computed tomography (CT) scans at one post-operative week and one post-operative month to evaluate the post-operative blood perfusion of the spleen. Then, the post-operative perfusion status of the spleen according to CT and the intraoperative fluorescence status of the spleen were compared.

RESULTS

Five patients were enrolled in this study. None of the patients required secondary splenectomies. We detected a tendency towards a close relationship between the intraoperative fluorescence level of the spleen according to FVI-ICG performed after SPDP-W and post-operative splenic perfusion as evaluated by CT. Improved splenic perfusion was seen at one post-operative month in all cases, including a case in which poor splenic perfusion was initially detected.

CONCLUSION

We detected a close relationship between the fluorescence level of the spleen on intraoperative FVI-ICG and the post-operative perfusion status of the spleen among patients who underwent SPDP-W. Intraoperative FVI-ICG could help surgeons to safely preserve the spleen after SPDP-W.

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