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European survey on the application of vascular clamping in liver surgery
J D W van der Bilt1, D P Livestro, A Borren
1Department of Surgery, University Medical Center, Utrecht, The Netherlands.
Background:
This study evaluated the frequency, the indications and techniques of vascular clamping during liver resection and during thermal destruction therapies, as currently used by hepatic surgeons throughout Europe.
Methods:
A web-based questionnaire was distributed among 621 physicians, including all members of the European Hepato-Pancreato-Biliary Association and the European Surgical Association.
Results:
The overall response rate was 50%. During liver resection, vascular clamping is never applied by 10%, on indication by 71%, and routinely by 19%. Routine clamping is particularly performed by high-volume and senior surgeons and appears to be associated with longer ischaemia times. Intermittent inflow occlusion is the clamping method of choice for more than 65% of surgeons and total ischaemia times are usually limited to 15-30 min. During thermal ablation, vascular clamping is never used by 57%, on indication by 37%, and routinely by 7%; it is particularly applied for large tumours and for tumours close to large vessels, and ischaemia times are shorter.
Conclusions:
Vascular clamping during liver resection is frequently used; during thermal ablation it is preserved for larger tumours or tumours in the vicinity of large vessels. Complete inflow occlusion is the most frequently used technique, with a distinct preference for intermittent clamping.
