Stereotactic and Functional Neurosurgery
Clinical Study
Venous Air Embolism in Deep Brain StimulationHooper A.K.a · Okun M.S.b · Foote K.D.c · Haq I.U.b · Fernandez H.H.b · Hegland D.d · Robicsek S.A.daUniversity of Florida Movement Disorders Center, and Departments of bNeurology, cNeurosurgery and dAnesthesiology, University of Florida, Gainesville, Fla., USA
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Article / Publication Details
Published online: November 27, 2008
Issue release date: February 2009
Number of Print Pages: 6
Number of Figures: 1
Number of Tables: 1
ISSN: 1011-6125 (Print)
eISSN: 1423-0372 (Online)
For additional information: https://www.karger.com/SFN
Abstract
Background/Aims: During the placement of electrodes for deep brain stimulation (DBS), patients are commonly in a seated position, awake, and spontaneously breathing. Air may be entrained through bone or dural veins causing venous air emboli (VAE) and this phenomenon can result in significant hemodynamic changes. Although VAEs have been described in many types of neurosurgical procedures, their incidence during DBS surgery is unknown. Methods: Following approval from the Institutional Review Board, the University of Florida Movement Disorders Center database comprising 286 DBS leads placed since 2002 was reviewed. Intraoperative cough, which has been associated with VAE, as well as hemodynamic instability were the focus of the review. Additionally, a prospective evaluation of the incidence of VAE using precordial Doppler ultrasound was undertaken over a 3-month period (June 2007–August 2007). Results: The retrospective review revealed a 3.2% incidence of cough per lead. Prospective monitoring in 21 consecutive patients with 22 leads yielded the detection of 1 VAE, and an incidence of 4.5% per lead. Conclusion: VAEs are rare but potentially serious complications of DBS surgery unless recognized. Patient positioning and the occurrence of cough are two important predictors to consider in VAE. Precordial Doppler is a safe, non-invasive monitor that can be used in the early detection of VAE in these procedures.
© 2008 S. Karger AG, Basel
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Article / Publication Details
Published online: November 27, 2008
Issue release date: February 2009
Number of Print Pages: 6
Number of Figures: 1
Number of Tables: 1
ISSN: 1011-6125 (Print)
eISSN: 1423-0372 (Online)
For additional information: https://www.karger.com/SFN
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