eMedicine Specialties > General Surgery > Head and Neck
Perilymph Fistula: Follow-up
Updated: Apr 29, 2008
Outcome and Prognosis
Both operative and nonoperative management of lymphatic injuries may worsen surgical outcome and prognosis after vascular reconstruction. The operative repair of lymphatic fistulae after infrainguinal reconstruction carries a better outcome and prognosis than the operative repair of lymphatic injuries that result in chylous ascites and chylothorax. Repair of the latter two complications requires reoperative exploratory laparotomy and/or thoracotomy.
In general, chylous ascites and chylothorax secondary to traumatic injury during vascular reconstruction carry a better prognosis than that occurring secondary to underlying neoplasia. A mortality rate of approximately 18% has been reported for chylous ascites developing after aortic surgery. Mortality rates ranging from 44-83% have been reported for chylous ascites developing secondary to an underlying neoplasm. A survey of several case reports revealed 1 patient of 6 who died after conservative treatment of chylothorax.
Future and Controversies
Few controversies exist in the management of lymphatic complications after vascular reconstruction. Use good clinical judgment to determine the patients who might benefit from more conservative medical management. Reserve operative intervention only for patients who can tolerate the physiologic stress of reoperation. Lymphatic complications after infrainguinal vascular reconstruction occur more frequently in diabetic patients and in those requiring reoperation.
The advent of endovascular reconstruction has limited tissue handling and dissection and has reduced the incidence of lymphatic complications. Further advancements in endovascular techniques will enable more complex procedures to be performed with a consequent reduction in operative morbidity and mortality rates.
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References
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Further Reading
Keywords
lymphatic fistula, lymphocele, thoracic duct fistula, chylous ascites, chylothorax, abdominal aortic reconstruction, laparotomy, total parenteral nutrition, TPN, lymphoscintigraphy, vascular reconstruction, lymphatic system
Follow-up: Perilymph Fistula