Αρχειοθήκη ιστολογίου

Παρασκευή 11 Μαΐου 2018

Modern postoperative monitoring of free flaps

Purpose of review Flap failure in microvascular reconstruction is a costly complication with total flap loss being the worst-case scenario. With the aim to rapidly identify a postoperative circulatory problem, some susceptible flaps can be saved by careful clinical monitoring or by various technical monitoring methods. In head and neck surgery, where the flaps are often buried and difficult to monitor clinically, a reliable technical monitoring method would be useful. A broad range of different techniques are in use varying according to practical and personal preferences among clinics and surgeons. However, no evidence for any particular technique being superb has emerged. We review reports of some frequently used and modern free flap monitoring techniques. Recent findings Clinical monitoring is still the gold standard to which other techniques are compared to. Laser Doppler flowmetry and near-infrared spectroscopy have been reported to identify early circulatory problems, but both techniques are not well suited for buried flaps. Implantable Doppler, flow coupler, partial tissue oxygen pressure and microdialysis are invasive monitoring methods suitable for buried flaps. Summary More research with practical and clinically relevant parameters, that is flap salvage rate, false positive rate and cost-efficiency are needed before objective comparisons between different monitoring techniques can be made. Correspondence to Jussi Laranne, Department of Otorhinolaryngology - Head and Neck Surgery, Kokkola Central Hospital, Mariankatu 16, 67200 Kokkola, Finland. Tel: +358 50 5271727; e-mail: jussilaranne@me.com Copyright © 2018 Wolters Kluwer Health, Inc. All rights reserved.

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