Tubular musculopleural pedicle grafting of esophageal long gaps in dogs

Direct anastomosis of the esophagus is the treatment of choice in patients with esophageal atresia. If, however, a long esophageal gap exists, the anastomosis is performed under tension or a staged procedure is anticipated. The aim of this study was to prove that a pedicle musculopleural graft can b...

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Veröffentlicht in:Journal of pediatric surgery 1987-02, Vol.22 (2), p.117-119
Hauptverfasser: Moutsouris, Christopher, Barouchas, George, Karayannacos, Panayotis, Dontas, Ismene, Salakos, Christos, Skalkeas, Gregory
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Sprache:eng
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Zusammenfassung:Direct anastomosis of the esophagus is the treatment of choice in patients with esophageal atresia. If, however, a long esophageal gap exists, the anastomosis is performed under tension or a staged procedure is anticipated. The aim of this study was to prove that a pedicle musculopleural graft can be used to bridge the two esophageal ends. In 14 dogs through a right thoracotomy, the periosteum of the fifth rib was mobilized and the rib was excised. An intercostal musculopleural flap was created leaving the muscle attached to its vascular pedicle posteriorly with the intercostal vessels and nerve carefully preserved. A tube-like protion including pleural and intercostal muscles was formed from the free part of the graft. A 5 cm segment of the esophagus was excised and the tubular graft was interimposed. Animals were studied 1 month postoperatively with a barium meal that showed free passage through the esophageal neolumen. Peristaltic activity was studied with strain gauges above, below, and at the grafted area. Histologic examination revealed good healing at both anastomotic sites, while esophageal squamous epithelium covered the lumen all over the graft. Survival of the musculopleural pedicle graft seems to be feasible providing that its vascular supply is preserved. It is, thus, suggested that this technique might offer an alternative method in bridging long gaps in esophageal surgery.
ISSN:0022-3468
1531-5037
DOI:10.1016/S0022-3468(87)80424-4