Abstract
Introduction
Pharyngoesophagocutaneous fistula (PEF) is one of the rare but serious complications of antero-lateral approach to cervical spine surgery. Because of its rarity, the true incidence of PEF is not clear. But, retrospective analysis of large series of cervical spine surgery reports 0–1.62 % incidence (Cloward in Surg 69:175–182, 1971; Elerkay et al. in J Neurosurg Spine 90(Suppl 1):35–41, 1999). Proximity to the vertebral column and thin walls makes the upper digestive tract vulnerable to injury in cervical trauma, surgical or nonsurgical. Presentation in early postoperative period is not rare and carries high morbidity and mortality (Jones and Ginsberg in Ann Thorac Surg 53(3):534–543, 1992). Various procedures for these fistulae such as simple closure, muscle flap interposition, esophageal diversion and jejunal interposition are reported. Some authors also advise removal of prosthetic plates and posterior stabilization, besides the repair of fistulae in a staged manner (Orlando et al. in Spine 28(15):E290–E295, 2003).
Methods
Two similar cases of pharyngeal fistulae with similar etiology and clinical scenario are presented here, which were managed successfully with initial control of sepsis followed by delayed definitive repair with sternocleidomastoid muscle flap interposition and cricopharyngeus myotomy without removal of prosthetic plates.
Results
Postoperatively, both patients showed no evidence of any wound complications or collections until the seventh day. A contrast swallow study on seventh day showed no leak following which soft diet was started. Both patients were not having any difficulty in swallowing or aspiration. On 1-year follow-up, both patients were having no difficulty in swallowing, no episodes of aspiration and no recurrence of fistula.
Conclusion
This case series highlights the importance of cricopharyngeus myotomy for treating PEF and the improved results with the prosthesis kept undisturbed.
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Acknowledgments
I thank Dr Subhash R, Senior resident, Department of Surgical Gastroenterology for helping in preparation of the photographs.
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Iyoob, V.A. Postoperative pharyngocutaneous fistula: treated by sternocleidomastoid flap repair and cricopharyngeus myotomy. Eur Spine J 22, 107–112 (2013). https://doi.org/10.1007/s00586-012-2451-4
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DOI: https://doi.org/10.1007/s00586-012-2451-4