Pedicled, fasciocutaneous and visceral flaps are all widely adopted for reconstruction after ablative surgery for advanced laryngeal, hypopharyngeal and cervical oesophageal cancers. With multiple options available, the choice depends on type and extent of the defect, patient's general conditions and institution expertise or preference. Since its first description in 1959, the use of jejunal free flap (JFF) has been refined thanks to the introduction of microvascular anastomoses, progressively allowing to achieve low mortality and morbidity rates. Both swallowing and speech outcomes are also positively reported across studies. A systematic review of English literature on JFF in H&N cancer reconstruction published after 2000 was carried out on Medline and Embase. Thirty-six studies were included in the analysis with a total of 3191 JFF reconstructions. Primary outcomes were surgical complications and functional outcomes (quality of speech and oral alimentation). A cumulative review was created pooling complication rates reported in single studies, and overall rates were obtained for fistulas (11.39%), strictures (14.17%), total and partial flap failure (4.79 and 6.15% respectively) and perioperative mortality (3.1%). Functional outcomes were variably reported, with different qualitative and quantitative assessment methods showing overall positive results. When reported, we've included impact of adjuvant radiotherapy and the ability of JFF to tolerate it has been widely confirmed. Above results have also been compared with same outcomes registered for different flaps. Overall, studies over the past 20 years demonstrate good clinical and functional outcomes, proving JFF to be a reliable and safe method for reconstructing circumferential pharyngoesophageal defects.
Keywords: Circumferential defect reconstruction; Head and neck cancer; Hypopharyngeal cancer; Jejunal free flap; Pharyngooesophageal defects.
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