Abstract
The first option for reconstruction of a circumferential pharyngeal defect following extensive pharyngo-laryngectomy is free tissue transfer. Despite that, pedicled flaps can be used when microsurgical expertise is not available or if other patient related or region related issues deem free tissue transfer unfavourable. The aim of this study was to review the operative feasibility and functional outcomes following dual flap reconstruction of circumferential pharyngeal defects.This was a retrospective study of all patients (n = 8) who underwent either primary (n = 5) or salvage (n = 3) circumferential laryngopharyngectomy + /– cervical oesophagectomy, followed by dual flap reconstruction, with a deltopectoral flap to reconstruct the posterior wall from 2005 to 2020. The main outcome measures were operative complications, hospital stay and functional outcomes (speech and swallowing). The operation was feasible in all patients, with dual flap recon struction using a deltopectoral flap, combined with a pectoralis major flap (n = 5) or a supraclavicular flap (n = 3). All patients developed a small, lateralised, self-healing fistula at the site of the deltopectoral flap 3-point junction. This did not require any intervention, or impact on adjuvant treatment. Functional outcomes were favourable, with all patients achieving oral diet. One patient required gastrostomy diet supplementation, and one patient required stricture dilatation. Of the patients able to receive a speech valve (n = 4), all achieved intelligible speech. Dual flap reconstruction of circumferential pharyngeal defects represents a feasible alternative option for a complex reconstructive problem. The predictable operative recovery and favourable functional outcomes indicate that the use of both a deltopectoral flap and a second flap is a robust reconstructive solution.
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