Chyle leak occurring after vagal nerve stimulator implantation in a child

Nolan Winslow1, Sonia Pulido2, Jonathan Garst3

  • 1Department of Neurosurgery, OSF Saint Francis Medical Center, Peoria IL, 61637, USA; University of Illinois College of Medicine, 1 Illini Drive, Peoria, IL 61605, USA.

Insights

Vagus nerve stimulation for epilepsy carries risks, including rare but serious chyle leaks from thoracic duct injury. Management involves dietary changes, medication, or surgery for persistent cases.

Area of Science:

  • Neurosurgery
  • Thoracic Surgery
  • Gastroenterology

Background:

  • Vagus nerve stimulation (VNS) is an established therapy for medically-refractory epilepsy.
  • Standard VNS risks include infection, hoarseness, and hardware issues.
  • Chyle leak, a complication of thoracic and head/neck surgeries, is infrequently reported in neurosurgery.

Purpose of the Study:

  • To highlight chyle leak as a potential complication of vagus nerve stimulation surgery.
  • To discuss the clinical presentation and management strategies for chyle leak in this context.

Main Methods:

  • Literature review of chyle leak complications in thoracic and head/neck surgeries.
  • Analysis of reported cases and management protocols for chyle leak.
  • Discussion of neurosurgical implications and treatment options.

Main Results:

  • Chyle leak, though rare, can occur secondary to vagus nerve stimulation procedures.
  • Severe chyle leaks can lead to significant nutritional deficiencies and immunosuppression.
  • Management options range from conservative (diet, octreotide) to surgical ligation.

Conclusions:

  • Chyle leak is an under-recognized complication of vagus nerve stimulation.
  • Early recognition and appropriate management are crucial for patient outcomes.
  • Further research may elucidate the precise incidence and optimal treatment strategies.